171d10453SEric Joyner /* SPDX-License-Identifier: BSD-3-Clause */ 2015f8cc5SEric Joyner /* Copyright (c) 2024, Intel Corporation 371d10453SEric Joyner * All rights reserved. 471d10453SEric Joyner * 571d10453SEric Joyner * Redistribution and use in source and binary forms, with or without 671d10453SEric Joyner * modification, are permitted provided that the following conditions are met: 771d10453SEric Joyner * 871d10453SEric Joyner * 1. Redistributions of source code must retain the above copyright notice, 971d10453SEric Joyner * this list of conditions and the following disclaimer. 1071d10453SEric Joyner * 1171d10453SEric Joyner * 2. Redistributions in binary form must reproduce the above copyright 1271d10453SEric Joyner * notice, this list of conditions and the following disclaimer in the 1371d10453SEric Joyner * documentation and/or other materials provided with the distribution. 1471d10453SEric Joyner * 1571d10453SEric Joyner * 3. Neither the name of the Intel Corporation nor the names of its 1671d10453SEric Joyner * contributors may be used to endorse or promote products derived from 1771d10453SEric Joyner * this software without specific prior written permission. 1871d10453SEric Joyner * 1971d10453SEric Joyner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 2071d10453SEric Joyner * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2171d10453SEric Joyner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2271d10453SEric Joyner * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2371d10453SEric Joyner * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2471d10453SEric Joyner * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2571d10453SEric Joyner * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2671d10453SEric Joyner * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2771d10453SEric Joyner * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2871d10453SEric Joyner * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2971d10453SEric Joyner * POSSIBILITY OF SUCH DAMAGE. 3071d10453SEric Joyner */ 3171d10453SEric Joyner 3271d10453SEric Joyner /** 3371d10453SEric Joyner * @file if_ice_iflib.c 3471d10453SEric Joyner * @brief iflib driver implementation 3571d10453SEric Joyner * 3671d10453SEric Joyner * Contains the main entry point for the iflib driver implementation. It 3771d10453SEric Joyner * implements the various ifdi driver methods, and sets up the module and 3871d10453SEric Joyner * driver values to load an iflib driver. 3971d10453SEric Joyner */ 4071d10453SEric Joyner 4171d10453SEric Joyner #include "ice_iflib.h" 4271d10453SEric Joyner #include "ice_drv_info.h" 4371d10453SEric Joyner #include "ice_switch.h" 4471d10453SEric Joyner #include "ice_sched.h" 4571d10453SEric Joyner 4671d10453SEric Joyner #include <sys/module.h> 4771d10453SEric Joyner #include <sys/sockio.h> 4871d10453SEric Joyner #include <sys/smp.h> 4971d10453SEric Joyner #include <dev/pci/pcivar.h> 5071d10453SEric Joyner #include <dev/pci/pcireg.h> 5171d10453SEric Joyner 5271d10453SEric Joyner /* 5371d10453SEric Joyner * Device method prototypes 5471d10453SEric Joyner */ 5571d10453SEric Joyner 5671d10453SEric Joyner static void *ice_register(device_t); 5771d10453SEric Joyner static int ice_if_attach_pre(if_ctx_t); 5871d10453SEric Joyner static int ice_attach_pre_recovery_mode(struct ice_softc *sc); 5971d10453SEric Joyner static int ice_if_attach_post(if_ctx_t); 6071d10453SEric Joyner static void ice_attach_post_recovery_mode(struct ice_softc *sc); 6171d10453SEric Joyner static int ice_if_detach(if_ctx_t); 6271d10453SEric Joyner static int ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets); 6371d10453SEric Joyner static int ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets); 6471d10453SEric Joyner static int ice_if_msix_intr_assign(if_ctx_t ctx, int msix); 6571d10453SEric Joyner static void ice_if_queues_free(if_ctx_t ctx); 6671d10453SEric Joyner static int ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu); 6771d10453SEric Joyner static void ice_if_intr_enable(if_ctx_t ctx); 6871d10453SEric Joyner static void ice_if_intr_disable(if_ctx_t ctx); 6971d10453SEric Joyner static int ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid); 7071d10453SEric Joyner static int ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid); 7171d10453SEric Joyner static int ice_if_promisc_set(if_ctx_t ctx, int flags); 7271d10453SEric Joyner static void ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr); 7371d10453SEric Joyner static int ice_if_media_change(if_ctx_t ctx); 7471d10453SEric Joyner static void ice_if_init(if_ctx_t ctx); 7571d10453SEric Joyner static void ice_if_timer(if_ctx_t ctx, uint16_t qid); 7671d10453SEric Joyner static void ice_if_update_admin_status(if_ctx_t ctx); 7771d10453SEric Joyner static void ice_if_multi_set(if_ctx_t ctx); 7871d10453SEric Joyner static void ice_if_vlan_register(if_ctx_t ctx, u16 vtag); 7971d10453SEric Joyner static void ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag); 8071d10453SEric Joyner static void ice_if_stop(if_ctx_t ctx); 8171d10453SEric Joyner static uint64_t ice_if_get_counter(if_ctx_t ctx, ift_counter counter); 8271d10453SEric Joyner static int ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data); 8371d10453SEric Joyner static int ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req); 847d7af7f8SEric Joyner static int ice_if_suspend(if_ctx_t ctx); 857d7af7f8SEric Joyner static int ice_if_resume(if_ctx_t ctx); 869c30461dSEric Joyner static bool ice_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event); 87*9e54973fSEric Joyner static int ice_setup_mirror_vsi(struct ice_mirr_if *mif); 88*9e54973fSEric Joyner static int ice_wire_mirror_intrs(struct ice_mirr_if *mif); 89*9e54973fSEric Joyner static void ice_free_irqvs_subif(struct ice_mirr_if *mif); 90*9e54973fSEric Joyner static void *ice_subif_register(device_t); 91*9e54973fSEric Joyner static void ice_subif_setup_scctx(struct ice_mirr_if *mif); 92*9e54973fSEric Joyner static int ice_subif_rebuild(struct ice_softc *sc); 93*9e54973fSEric Joyner static int ice_subif_rebuild_vsi_qmap(struct ice_softc *sc); 94*9e54973fSEric Joyner 95*9e54973fSEric Joyner /* Iflib API */ 96*9e54973fSEric Joyner static int ice_subif_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, 97*9e54973fSEric Joyner uint64_t *paddrs, int ntxqs, int ntxqsets); 98*9e54973fSEric Joyner static int ice_subif_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, 99*9e54973fSEric Joyner uint64_t *paddrs, int nrxqs, int nrxqsets); 100*9e54973fSEric Joyner static int ice_subif_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid); 101*9e54973fSEric Joyner static int ice_subif_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid); 102*9e54973fSEric Joyner static void ice_subif_if_intr_enable(if_ctx_t ctx); 103*9e54973fSEric Joyner static int ice_subif_if_msix_intr_assign(if_ctx_t ctx, int msix); 104*9e54973fSEric Joyner static void ice_subif_if_init(if_ctx_t ctx); 105*9e54973fSEric Joyner static void ice_subif_if_stop(if_ctx_t ctx); 106*9e54973fSEric Joyner static void ice_subif_if_queues_free(if_ctx_t ctx); 107*9e54973fSEric Joyner static int ice_subif_if_attach_pre(if_ctx_t); 108*9e54973fSEric Joyner static int ice_subif_if_attach_post(if_ctx_t); 109*9e54973fSEric Joyner static void ice_subif_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr); 110*9e54973fSEric Joyner static int ice_subif_if_promisc_set(if_ctx_t ctx, int flags); 11171d10453SEric Joyner 11271d10453SEric Joyner static int ice_msix_que(void *arg); 11371d10453SEric Joyner static int ice_msix_admin(void *arg); 11471d10453SEric Joyner 11571d10453SEric Joyner /* 11671d10453SEric Joyner * Helper function prototypes 11771d10453SEric Joyner */ 11871d10453SEric Joyner static int ice_pci_mapping(struct ice_softc *sc); 11971d10453SEric Joyner static void ice_free_pci_mapping(struct ice_softc *sc); 12071d10453SEric Joyner static void ice_update_link_status(struct ice_softc *sc, bool update_media); 12171d10453SEric Joyner static void ice_init_device_features(struct ice_softc *sc); 12271d10453SEric Joyner static void ice_init_tx_tracking(struct ice_vsi *vsi); 12371d10453SEric Joyner static void ice_handle_reset_event(struct ice_softc *sc); 12471d10453SEric Joyner static void ice_handle_pf_reset_request(struct ice_softc *sc); 12571d10453SEric Joyner static void ice_prepare_for_reset(struct ice_softc *sc); 12671d10453SEric Joyner static int ice_rebuild_pf_vsi_qmap(struct ice_softc *sc); 12771d10453SEric Joyner static void ice_rebuild(struct ice_softc *sc); 12871d10453SEric Joyner static void ice_rebuild_recovery_mode(struct ice_softc *sc); 12971d10453SEric Joyner static void ice_free_irqvs(struct ice_softc *sc); 13071d10453SEric Joyner static void ice_update_rx_mbuf_sz(struct ice_softc *sc); 13171d10453SEric Joyner static void ice_poll_for_media_avail(struct ice_softc *sc); 13271d10453SEric Joyner static void ice_setup_scctx(struct ice_softc *sc); 13371d10453SEric Joyner static int ice_allocate_msix(struct ice_softc *sc); 13471d10453SEric Joyner static void ice_admin_timer(void *arg); 13571d10453SEric Joyner static void ice_transition_recovery_mode(struct ice_softc *sc); 13671d10453SEric Joyner static void ice_transition_safe_mode(struct ice_softc *sc); 1379c30461dSEric Joyner static void ice_set_default_promisc_mask(ice_bitmap_t *promisc_mask); 13871d10453SEric Joyner 13971d10453SEric Joyner /* 14071d10453SEric Joyner * Device Interface Declaration 14171d10453SEric Joyner */ 14271d10453SEric Joyner 14371d10453SEric Joyner /** 14471d10453SEric Joyner * @var ice_methods 14571d10453SEric Joyner * @brief ice driver method entry points 14671d10453SEric Joyner * 14771d10453SEric Joyner * List of device methods implementing the generic device interface used by 14871d10453SEric Joyner * the device stack to interact with the ice driver. Since this is an iflib 14971d10453SEric Joyner * driver, most of the methods point to the generic iflib implementation. 15071d10453SEric Joyner */ 15171d10453SEric Joyner static device_method_t ice_methods[] = { 15271d10453SEric Joyner /* Device interface */ 15371d10453SEric Joyner DEVMETHOD(device_register, ice_register), 15471d10453SEric Joyner DEVMETHOD(device_probe, iflib_device_probe_vendor), 15571d10453SEric Joyner DEVMETHOD(device_attach, iflib_device_attach), 15671d10453SEric Joyner DEVMETHOD(device_detach, iflib_device_detach), 15771d10453SEric Joyner DEVMETHOD(device_shutdown, iflib_device_shutdown), 15871d10453SEric Joyner DEVMETHOD(device_suspend, iflib_device_suspend), 15971d10453SEric Joyner DEVMETHOD(device_resume, iflib_device_resume), 16071d10453SEric Joyner DEVMETHOD_END 16171d10453SEric Joyner }; 16271d10453SEric Joyner 16371d10453SEric Joyner /** 16471d10453SEric Joyner * @var ice_iflib_methods 16571d10453SEric Joyner * @brief iflib method entry points 16671d10453SEric Joyner * 16771d10453SEric Joyner * List of device methods used by the iflib stack to interact with this 16871d10453SEric Joyner * driver. These are the real main entry points used to interact with this 16971d10453SEric Joyner * driver. 17071d10453SEric Joyner */ 17171d10453SEric Joyner static device_method_t ice_iflib_methods[] = { 17271d10453SEric Joyner DEVMETHOD(ifdi_attach_pre, ice_if_attach_pre), 17371d10453SEric Joyner DEVMETHOD(ifdi_attach_post, ice_if_attach_post), 17471d10453SEric Joyner DEVMETHOD(ifdi_detach, ice_if_detach), 17571d10453SEric Joyner DEVMETHOD(ifdi_tx_queues_alloc, ice_if_tx_queues_alloc), 17671d10453SEric Joyner DEVMETHOD(ifdi_rx_queues_alloc, ice_if_rx_queues_alloc), 17771d10453SEric Joyner DEVMETHOD(ifdi_msix_intr_assign, ice_if_msix_intr_assign), 17871d10453SEric Joyner DEVMETHOD(ifdi_queues_free, ice_if_queues_free), 17971d10453SEric Joyner DEVMETHOD(ifdi_mtu_set, ice_if_mtu_set), 18071d10453SEric Joyner DEVMETHOD(ifdi_intr_enable, ice_if_intr_enable), 18171d10453SEric Joyner DEVMETHOD(ifdi_intr_disable, ice_if_intr_disable), 18271d10453SEric Joyner DEVMETHOD(ifdi_rx_queue_intr_enable, ice_if_rx_queue_intr_enable), 18371d10453SEric Joyner DEVMETHOD(ifdi_tx_queue_intr_enable, ice_if_tx_queue_intr_enable), 18471d10453SEric Joyner DEVMETHOD(ifdi_promisc_set, ice_if_promisc_set), 18571d10453SEric Joyner DEVMETHOD(ifdi_media_status, ice_if_media_status), 18671d10453SEric Joyner DEVMETHOD(ifdi_media_change, ice_if_media_change), 18771d10453SEric Joyner DEVMETHOD(ifdi_init, ice_if_init), 18871d10453SEric Joyner DEVMETHOD(ifdi_stop, ice_if_stop), 18971d10453SEric Joyner DEVMETHOD(ifdi_timer, ice_if_timer), 19071d10453SEric Joyner DEVMETHOD(ifdi_update_admin_status, ice_if_update_admin_status), 19171d10453SEric Joyner DEVMETHOD(ifdi_multi_set, ice_if_multi_set), 19271d10453SEric Joyner DEVMETHOD(ifdi_vlan_register, ice_if_vlan_register), 19371d10453SEric Joyner DEVMETHOD(ifdi_vlan_unregister, ice_if_vlan_unregister), 19471d10453SEric Joyner DEVMETHOD(ifdi_get_counter, ice_if_get_counter), 19571d10453SEric Joyner DEVMETHOD(ifdi_priv_ioctl, ice_if_priv_ioctl), 19671d10453SEric Joyner DEVMETHOD(ifdi_i2c_req, ice_if_i2c_req), 1977d7af7f8SEric Joyner DEVMETHOD(ifdi_suspend, ice_if_suspend), 1987d7af7f8SEric Joyner DEVMETHOD(ifdi_resume, ice_if_resume), 19914a14e36SKevin Bowling DEVMETHOD(ifdi_needs_restart, ice_if_needs_restart), 20071d10453SEric Joyner DEVMETHOD_END 20171d10453SEric Joyner }; 20271d10453SEric Joyner 20371d10453SEric Joyner /** 20471d10453SEric Joyner * @var ice_driver 20571d10453SEric Joyner * @brief driver structure for the generic device stack 20671d10453SEric Joyner * 20771d10453SEric Joyner * driver_t definition used to setup the generic device methods. 20871d10453SEric Joyner */ 20971d10453SEric Joyner static driver_t ice_driver = { 21071d10453SEric Joyner .name = "ice", 21171d10453SEric Joyner .methods = ice_methods, 21271d10453SEric Joyner .size = sizeof(struct ice_softc), 21371d10453SEric Joyner }; 21471d10453SEric Joyner 21571d10453SEric Joyner /** 21671d10453SEric Joyner * @var ice_iflib_driver 21771d10453SEric Joyner * @brief driver structure for the iflib stack 21871d10453SEric Joyner * 21971d10453SEric Joyner * driver_t definition used to setup the iflib device methods. 22071d10453SEric Joyner */ 22171d10453SEric Joyner static driver_t ice_iflib_driver = { 22271d10453SEric Joyner .name = "ice", 22371d10453SEric Joyner .methods = ice_iflib_methods, 22471d10453SEric Joyner .size = sizeof(struct ice_softc), 22571d10453SEric Joyner }; 22671d10453SEric Joyner 22771d10453SEric Joyner extern struct if_txrx ice_txrx; 22871d10453SEric Joyner extern struct if_txrx ice_recovery_txrx; 22971d10453SEric Joyner 23071d10453SEric Joyner /** 23171d10453SEric Joyner * @var ice_sctx 23271d10453SEric Joyner * @brief ice driver shared context 23371d10453SEric Joyner * 23471d10453SEric Joyner * Structure defining shared values (context) that is used by all instances of 23571d10453SEric Joyner * the device. Primarily used to setup details about how the iflib stack 23671d10453SEric Joyner * should treat this driver. Also defines the default, minimum, and maximum 23771d10453SEric Joyner * number of descriptors in each ring. 23871d10453SEric Joyner */ 23971d10453SEric Joyner static struct if_shared_ctx ice_sctx = { 24071d10453SEric Joyner .isc_magic = IFLIB_MAGIC, 24171d10453SEric Joyner .isc_q_align = PAGE_SIZE, 24271d10453SEric Joyner 24371d10453SEric Joyner .isc_tx_maxsize = ICE_MAX_FRAME_SIZE, 24471d10453SEric Joyner /* We could technically set this as high as ICE_MAX_DMA_SEG_SIZE, but 24571d10453SEric Joyner * that doesn't make sense since that would be larger than the maximum 24671d10453SEric Joyner * size of a single packet. 24771d10453SEric Joyner */ 24871d10453SEric Joyner .isc_tx_maxsegsize = ICE_MAX_FRAME_SIZE, 24971d10453SEric Joyner 25071d10453SEric Joyner /* XXX: This is only used by iflib to ensure that 25171d10453SEric Joyner * scctx->isc_tx_tso_size_max + the VLAN header is a valid size. 25271d10453SEric Joyner */ 25371d10453SEric Joyner .isc_tso_maxsize = ICE_TSO_SIZE + sizeof(struct ether_vlan_header), 25471d10453SEric Joyner /* XXX: This is used by iflib to set the number of segments in the TSO 25571d10453SEric Joyner * DMA tag. However, scctx->isc_tx_tso_segsize_max is used to set the 25671d10453SEric Joyner * related ifnet parameter. 25771d10453SEric Joyner */ 25871d10453SEric Joyner .isc_tso_maxsegsize = ICE_MAX_DMA_SEG_SIZE, 25971d10453SEric Joyner 26071d10453SEric Joyner .isc_rx_maxsize = ICE_MAX_FRAME_SIZE, 26171d10453SEric Joyner .isc_rx_nsegments = ICE_MAX_RX_SEGS, 26271d10453SEric Joyner .isc_rx_maxsegsize = ICE_MAX_FRAME_SIZE, 26371d10453SEric Joyner 26471d10453SEric Joyner .isc_nfl = 1, 26571d10453SEric Joyner .isc_ntxqs = 1, 26671d10453SEric Joyner .isc_nrxqs = 1, 26771d10453SEric Joyner 26871d10453SEric Joyner .isc_admin_intrcnt = 1, 26971d10453SEric Joyner .isc_vendor_info = ice_vendor_info_array, 27071d10453SEric Joyner .isc_driver_version = __DECONST(char *, ice_driver_version), 27171d10453SEric Joyner .isc_driver = &ice_iflib_driver, 27271d10453SEric Joyner 27371d10453SEric Joyner /* 27471d10453SEric Joyner * IFLIB_NEED_SCRATCH ensures that mbufs have scratch space available 27571d10453SEric Joyner * for hardware checksum offload 27671d10453SEric Joyner * 27771d10453SEric Joyner * IFLIB_TSO_INIT_IP ensures that the TSO packets have zeroed out the 27871d10453SEric Joyner * IP sum field, required by our hardware to calculate valid TSO 27971d10453SEric Joyner * checksums. 28071d10453SEric Joyner * 28171d10453SEric Joyner * IFLIB_ADMIN_ALWAYS_RUN ensures that the administrative task runs 28271d10453SEric Joyner * even when the interface is down. 28371d10453SEric Joyner * 28471d10453SEric Joyner * IFLIB_SKIP_MSIX allows the driver to handle allocating MSI-X 28571d10453SEric Joyner * vectors manually instead of relying on iflib code to do this. 28671d10453SEric Joyner */ 28771d10453SEric Joyner .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | 28871d10453SEric Joyner IFLIB_ADMIN_ALWAYS_RUN | IFLIB_SKIP_MSIX, 28971d10453SEric Joyner 29071d10453SEric Joyner .isc_nrxd_min = {ICE_MIN_DESC_COUNT}, 29171d10453SEric Joyner .isc_ntxd_min = {ICE_MIN_DESC_COUNT}, 29271d10453SEric Joyner .isc_nrxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 29371d10453SEric Joyner .isc_ntxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 29471d10453SEric Joyner .isc_nrxd_default = {ICE_DEFAULT_DESC_COUNT}, 29571d10453SEric Joyner .isc_ntxd_default = {ICE_DEFAULT_DESC_COUNT}, 29671d10453SEric Joyner }; 29771d10453SEric Joyner 29883c0a9e8SJohn Baldwin DRIVER_MODULE(ice, pci, ice_driver, ice_module_event_handler, NULL); 29971d10453SEric Joyner 30071d10453SEric Joyner MODULE_VERSION(ice, 1); 30171d10453SEric Joyner MODULE_DEPEND(ice, pci, 1, 1, 1); 30271d10453SEric Joyner MODULE_DEPEND(ice, ether, 1, 1, 1); 30371d10453SEric Joyner MODULE_DEPEND(ice, iflib, 1, 1, 1); 30471d10453SEric Joyner 30571d10453SEric Joyner IFLIB_PNP_INFO(pci, ice, ice_vendor_info_array); 30671d10453SEric Joyner 30771d10453SEric Joyner /* Static driver-wide sysctls */ 30871d10453SEric Joyner #include "ice_iflib_sysctls.h" 30971d10453SEric Joyner 31071d10453SEric Joyner /** 31171d10453SEric Joyner * ice_pci_mapping - Map PCI BAR memory 31271d10453SEric Joyner * @sc: device private softc 31371d10453SEric Joyner * 31471d10453SEric Joyner * Map PCI BAR 0 for device operation. 31571d10453SEric Joyner */ 31671d10453SEric Joyner static int 31771d10453SEric Joyner ice_pci_mapping(struct ice_softc *sc) 31871d10453SEric Joyner { 31971d10453SEric Joyner int rc; 32071d10453SEric Joyner 32171d10453SEric Joyner /* Map BAR0 */ 32271d10453SEric Joyner rc = ice_map_bar(sc->dev, &sc->bar0, 0); 32371d10453SEric Joyner if (rc) 32471d10453SEric Joyner return rc; 32571d10453SEric Joyner 32671d10453SEric Joyner return 0; 32771d10453SEric Joyner } 32871d10453SEric Joyner 32971d10453SEric Joyner /** 33071d10453SEric Joyner * ice_free_pci_mapping - Release PCI BAR memory 33171d10453SEric Joyner * @sc: device private softc 33271d10453SEric Joyner * 33371d10453SEric Joyner * Release PCI BARs which were previously mapped by ice_pci_mapping(). 33471d10453SEric Joyner */ 33571d10453SEric Joyner static void 33671d10453SEric Joyner ice_free_pci_mapping(struct ice_softc *sc) 33771d10453SEric Joyner { 33871d10453SEric Joyner /* Free BAR0 */ 33971d10453SEric Joyner ice_free_bar(sc->dev, &sc->bar0); 34071d10453SEric Joyner } 34171d10453SEric Joyner 34271d10453SEric Joyner /* 34371d10453SEric Joyner * Device methods 34471d10453SEric Joyner */ 34571d10453SEric Joyner 34671d10453SEric Joyner /** 34771d10453SEric Joyner * ice_register - register device method callback 34871d10453SEric Joyner * @dev: the device being registered 34971d10453SEric Joyner * 35071d10453SEric Joyner * Returns a pointer to the shared context structure, which is used by iflib. 35171d10453SEric Joyner */ 35271d10453SEric Joyner static void * 35371d10453SEric Joyner ice_register(device_t dev __unused) 35471d10453SEric Joyner { 35571d10453SEric Joyner return &ice_sctx; 35671d10453SEric Joyner } /* ice_register */ 35771d10453SEric Joyner 35871d10453SEric Joyner /** 35971d10453SEric Joyner * ice_setup_scctx - Setup the iflib softc context structure 36071d10453SEric Joyner * @sc: the device private structure 36171d10453SEric Joyner * 36271d10453SEric Joyner * Setup the parameters in if_softc_ctx_t structure used by the iflib stack 36371d10453SEric Joyner * when loading. 36471d10453SEric Joyner */ 36571d10453SEric Joyner static void 36671d10453SEric Joyner ice_setup_scctx(struct ice_softc *sc) 36771d10453SEric Joyner { 36871d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 36971d10453SEric Joyner struct ice_hw *hw = &sc->hw; 3709c30461dSEric Joyner device_t dev = sc->dev; 37171d10453SEric Joyner bool safe_mode, recovery_mode; 37271d10453SEric Joyner 37371d10453SEric Joyner safe_mode = ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE); 37471d10453SEric Joyner recovery_mode = ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE); 37571d10453SEric Joyner 37671d10453SEric Joyner /* 37771d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, limit iflib to 37871d10453SEric Joyner * a single queue pair. 37971d10453SEric Joyner */ 38071d10453SEric Joyner if (safe_mode || recovery_mode) { 38171d10453SEric Joyner scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1; 38271d10453SEric Joyner scctx->isc_ntxqsets_max = 1; 38371d10453SEric Joyner scctx->isc_nrxqsets_max = 1; 38471d10453SEric Joyner } else { 38571d10453SEric Joyner /* 38671d10453SEric Joyner * iflib initially sets the isc_ntxqsets and isc_nrxqsets to 38771d10453SEric Joyner * the values of the override sysctls. Cache these initial 38871d10453SEric Joyner * values so that the driver can be aware of what the iflib 38971d10453SEric Joyner * sysctl value is when setting up MSI-X vectors. 39071d10453SEric Joyner */ 39171d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets; 39271d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets; 39371d10453SEric Joyner 39471d10453SEric Joyner if (scctx->isc_ntxqsets == 0) 39571d10453SEric Joyner scctx->isc_ntxqsets = hw->func_caps.common_cap.rss_table_size; 39671d10453SEric Joyner if (scctx->isc_nrxqsets == 0) 39771d10453SEric Joyner scctx->isc_nrxqsets = hw->func_caps.common_cap.rss_table_size; 39871d10453SEric Joyner 39971d10453SEric Joyner scctx->isc_ntxqsets_max = hw->func_caps.common_cap.num_txq; 40071d10453SEric Joyner scctx->isc_nrxqsets_max = hw->func_caps.common_cap.num_rxq; 40171d10453SEric Joyner 40271d10453SEric Joyner /* 40371d10453SEric Joyner * Sanity check that the iflib sysctl values are within the 40471d10453SEric Joyner * maximum supported range. 40571d10453SEric Joyner */ 40671d10453SEric Joyner if (sc->ifc_sysctl_ntxqs > scctx->isc_ntxqsets_max) 40771d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets_max; 40871d10453SEric Joyner if (sc->ifc_sysctl_nrxqs > scctx->isc_nrxqsets_max) 40971d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets_max; 41071d10453SEric Joyner } 41171d10453SEric Joyner 41271d10453SEric Joyner scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 41371d10453SEric Joyner * sizeof(struct ice_tx_desc), DBA_ALIGN); 41471d10453SEric Joyner scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 41571d10453SEric Joyner * sizeof(union ice_32b_rx_flex_desc), DBA_ALIGN); 41671d10453SEric Joyner 41771d10453SEric Joyner scctx->isc_tx_nsegments = ICE_MAX_TX_SEGS; 41871d10453SEric Joyner scctx->isc_tx_tso_segments_max = ICE_MAX_TSO_SEGS; 41971d10453SEric Joyner scctx->isc_tx_tso_size_max = ICE_TSO_SIZE; 42071d10453SEric Joyner scctx->isc_tx_tso_segsize_max = ICE_MAX_DMA_SEG_SIZE; 42171d10453SEric Joyner 4229c30461dSEric Joyner scctx->isc_msix_bar = pci_msix_table_bar(dev); 42371d10453SEric Joyner scctx->isc_rss_table_size = hw->func_caps.common_cap.rss_table_size; 42471d10453SEric Joyner 42571d10453SEric Joyner /* 42671d10453SEric Joyner * If the driver loads in recovery mode, disable Tx/Rx functionality 42771d10453SEric Joyner */ 42871d10453SEric Joyner if (recovery_mode) 42971d10453SEric Joyner scctx->isc_txrx = &ice_recovery_txrx; 43071d10453SEric Joyner else 43171d10453SEric Joyner scctx->isc_txrx = &ice_txrx; 43271d10453SEric Joyner 43371d10453SEric Joyner /* 43471d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, disable 43571d10453SEric Joyner * advanced features including hardware offloads. 43671d10453SEric Joyner */ 43771d10453SEric Joyner if (safe_mode || recovery_mode) { 43871d10453SEric Joyner scctx->isc_capenable = ICE_SAFE_CAPS; 43971d10453SEric Joyner scctx->isc_tx_csum_flags = 0; 44071d10453SEric Joyner } else { 44171d10453SEric Joyner scctx->isc_capenable = ICE_FULL_CAPS; 44271d10453SEric Joyner scctx->isc_tx_csum_flags = ICE_CSUM_OFFLOAD; 44371d10453SEric Joyner } 44471d10453SEric Joyner 44571d10453SEric Joyner scctx->isc_capabilities = scctx->isc_capenable; 44671d10453SEric Joyner } /* ice_setup_scctx */ 44771d10453SEric Joyner 44871d10453SEric Joyner /** 44971d10453SEric Joyner * ice_if_attach_pre - Early device attach logic 45071d10453SEric Joyner * @ctx: the iflib context structure 45171d10453SEric Joyner * 45271d10453SEric Joyner * Called by iflib during the attach process. Earliest main driver entry 45371d10453SEric Joyner * point which performs necessary hardware and driver initialization. Called 45471d10453SEric Joyner * before the Tx and Rx queues are allocated. 45571d10453SEric Joyner */ 45671d10453SEric Joyner static int 45771d10453SEric Joyner ice_if_attach_pre(if_ctx_t ctx) 45871d10453SEric Joyner { 45971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 46071d10453SEric Joyner enum ice_fw_modes fw_mode; 46171d10453SEric Joyner enum ice_status status; 46271d10453SEric Joyner if_softc_ctx_t scctx; 46371d10453SEric Joyner struct ice_hw *hw; 46471d10453SEric Joyner device_t dev; 46571d10453SEric Joyner int err; 46671d10453SEric Joyner 46771d10453SEric Joyner device_printf(iflib_get_dev(ctx), "Loading the iflib ice driver\n"); 46871d10453SEric Joyner 46956429daeSEric Joyner ice_set_state(&sc->state, ICE_STATE_ATTACHING); 47056429daeSEric Joyner 47171d10453SEric Joyner sc->ctx = ctx; 47271d10453SEric Joyner sc->media = iflib_get_media(ctx); 47371d10453SEric Joyner sc->sctx = iflib_get_sctx(ctx); 47471d10453SEric Joyner sc->iflib_ctx_lock = iflib_ctx_lock_get(ctx); 47571d10453SEric Joyner 47671d10453SEric Joyner dev = sc->dev = iflib_get_dev(ctx); 47771d10453SEric Joyner scctx = sc->scctx = iflib_get_softc_ctx(ctx); 47871d10453SEric Joyner 47971d10453SEric Joyner hw = &sc->hw; 48071d10453SEric Joyner hw->back = sc; 48171d10453SEric Joyner 48271d10453SEric Joyner snprintf(sc->admin_mtx_name, sizeof(sc->admin_mtx_name), 48371d10453SEric Joyner "%s:admin", device_get_nameunit(dev)); 48471d10453SEric Joyner mtx_init(&sc->admin_mtx, sc->admin_mtx_name, NULL, MTX_DEF); 48571d10453SEric Joyner callout_init_mtx(&sc->admin_timer, &sc->admin_mtx, 0); 48671d10453SEric Joyner 48771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 48871d10453SEric Joyner 48971d10453SEric Joyner if (ice_pci_mapping(sc)) { 49071d10453SEric Joyner err = (ENXIO); 49171d10453SEric Joyner goto destroy_admin_timer; 49271d10453SEric Joyner } 49371d10453SEric Joyner 49471d10453SEric Joyner /* Save off the PCI information */ 49571d10453SEric Joyner ice_save_pci_info(hw, dev); 49671d10453SEric Joyner 49771d10453SEric Joyner /* create tunables as early as possible */ 49871d10453SEric Joyner ice_add_device_tunables(sc); 49971d10453SEric Joyner 50071d10453SEric Joyner /* Setup ControlQ lengths */ 50171d10453SEric Joyner ice_set_ctrlq_len(hw); 50271d10453SEric Joyner 5038923de59SPiotr Kubaj reinit_hw: 5048923de59SPiotr Kubaj 50571d10453SEric Joyner fw_mode = ice_get_fw_mode(hw); 50671d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 50771d10453SEric Joyner device_printf(dev, "Firmware recovery mode detected. Limiting functionality. Refer to Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 50871d10453SEric Joyner 50971d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 51071d10453SEric Joyner if (err) 51171d10453SEric Joyner goto free_pci_mapping; 51271d10453SEric Joyner 51371d10453SEric Joyner return (0); 51471d10453SEric Joyner } 51571d10453SEric Joyner 51671d10453SEric Joyner /* Initialize the hw data structure */ 51771d10453SEric Joyner status = ice_init_hw(hw); 51871d10453SEric Joyner if (status) { 51971d10453SEric Joyner if (status == ICE_ERR_FW_API_VER) { 52071d10453SEric Joyner /* Enter recovery mode, so that the driver remains 52171d10453SEric Joyner * loaded. This way, if the system administrator 52271d10453SEric Joyner * cannot update the driver, they may still attempt to 52371d10453SEric Joyner * downgrade the NVM. 52471d10453SEric Joyner */ 52571d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 52671d10453SEric Joyner if (err) 52771d10453SEric Joyner goto free_pci_mapping; 52871d10453SEric Joyner 52971d10453SEric Joyner return (0); 53071d10453SEric Joyner } else { 53171d10453SEric Joyner err = EIO; 53271d10453SEric Joyner device_printf(dev, "Unable to initialize hw, err %s aq_err %s\n", 53371d10453SEric Joyner ice_status_str(status), 53471d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 53571d10453SEric Joyner } 53671d10453SEric Joyner goto free_pci_mapping; 53771d10453SEric Joyner } 53871d10453SEric Joyner 5398923de59SPiotr Kubaj ice_init_device_features(sc); 5408923de59SPiotr Kubaj 5419c30461dSEric Joyner /* Keep flag set by default */ 5429c30461dSEric Joyner ice_set_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN); 5439c30461dSEric Joyner 54471d10453SEric Joyner /* Notify firmware of the device driver version */ 54571d10453SEric Joyner err = ice_send_version(sc); 54671d10453SEric Joyner if (err) 54771d10453SEric Joyner goto deinit_hw; 54871d10453SEric Joyner 5498923de59SPiotr Kubaj /* 5508923de59SPiotr Kubaj * Success indicates a change was made that requires a reinitialization 5518923de59SPiotr Kubaj * of the hardware 5528923de59SPiotr Kubaj */ 5538923de59SPiotr Kubaj err = ice_load_pkg_file(sc); 5548923de59SPiotr Kubaj if (err == ICE_SUCCESS) { 5558923de59SPiotr Kubaj ice_deinit_hw(hw); 5568923de59SPiotr Kubaj goto reinit_hw; 5578923de59SPiotr Kubaj } 55871d10453SEric Joyner 55971d10453SEric Joyner err = ice_init_link_events(sc); 56071d10453SEric Joyner if (err) { 56171d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 56271d10453SEric Joyner ice_err_str(err)); 56371d10453SEric Joyner goto deinit_hw; 56471d10453SEric Joyner } 56571d10453SEric Joyner 5668923de59SPiotr Kubaj /* Initialize VLAN mode in FW; if dual VLAN mode is supported by the package 5678923de59SPiotr Kubaj * and firmware, this will force them to use single VLAN mode. 5688923de59SPiotr Kubaj */ 5698923de59SPiotr Kubaj status = ice_set_vlan_mode(hw); 5708923de59SPiotr Kubaj if (status) { 5718923de59SPiotr Kubaj err = EIO; 5728923de59SPiotr Kubaj device_printf(dev, "Unable to initialize VLAN mode, err %s aq_err %s\n", 5738923de59SPiotr Kubaj ice_status_str(status), 5748923de59SPiotr Kubaj ice_aq_str(hw->adminq.sq_last_status)); 5758923de59SPiotr Kubaj goto deinit_hw; 5768923de59SPiotr Kubaj } 57771d10453SEric Joyner 5788923de59SPiotr Kubaj ice_print_nvm_version(sc); 57971d10453SEric Joyner 58071d10453SEric Joyner /* Setup the MAC address */ 58171d10453SEric Joyner iflib_set_mac(ctx, hw->port_info->mac.lan_addr); 58271d10453SEric Joyner 58371d10453SEric Joyner /* Setup the iflib softc context structure */ 58471d10453SEric Joyner ice_setup_scctx(sc); 58571d10453SEric Joyner 58671d10453SEric Joyner /* Initialize the Tx queue manager */ 58771d10453SEric Joyner err = ice_resmgr_init(&sc->tx_qmgr, hw->func_caps.common_cap.num_txq); 58871d10453SEric Joyner if (err) { 58971d10453SEric Joyner device_printf(dev, "Unable to initialize Tx queue manager: %s\n", 59071d10453SEric Joyner ice_err_str(err)); 59171d10453SEric Joyner goto deinit_hw; 59271d10453SEric Joyner } 59371d10453SEric Joyner 59471d10453SEric Joyner /* Initialize the Rx queue manager */ 59571d10453SEric Joyner err = ice_resmgr_init(&sc->rx_qmgr, hw->func_caps.common_cap.num_rxq); 59671d10453SEric Joyner if (err) { 59771d10453SEric Joyner device_printf(dev, "Unable to initialize Rx queue manager: %s\n", 59871d10453SEric Joyner ice_err_str(err)); 59971d10453SEric Joyner goto free_tx_qmgr; 60071d10453SEric Joyner } 60171d10453SEric Joyner 602*9e54973fSEric Joyner /* Initialize the PF device interrupt resource manager */ 60371d10453SEric Joyner err = ice_alloc_intr_tracking(sc); 60471d10453SEric Joyner if (err) 60571d10453SEric Joyner /* Errors are already printed */ 60671d10453SEric Joyner goto free_rx_qmgr; 60771d10453SEric Joyner 60871d10453SEric Joyner /* Determine maximum number of VSIs we'll prepare for */ 60971d10453SEric Joyner sc->num_available_vsi = min(ICE_MAX_VSI_AVAILABLE, 61071d10453SEric Joyner hw->func_caps.guar_num_vsi); 61171d10453SEric Joyner 61271d10453SEric Joyner if (!sc->num_available_vsi) { 61371d10453SEric Joyner err = EIO; 61471d10453SEric Joyner device_printf(dev, "No VSIs allocated to host\n"); 61571d10453SEric Joyner goto free_intr_tracking; 61671d10453SEric Joyner } 61771d10453SEric Joyner 61871d10453SEric Joyner /* Allocate storage for the VSI pointers */ 61971d10453SEric Joyner sc->all_vsi = (struct ice_vsi **) 62071d10453SEric Joyner malloc(sizeof(struct ice_vsi *) * sc->num_available_vsi, 62171d10453SEric Joyner M_ICE, M_WAITOK | M_ZERO); 62271d10453SEric Joyner if (!sc->all_vsi) { 62371d10453SEric Joyner err = ENOMEM; 62471d10453SEric Joyner device_printf(dev, "Unable to allocate VSI array\n"); 62571d10453SEric Joyner goto free_intr_tracking; 62671d10453SEric Joyner } 62771d10453SEric Joyner 62871d10453SEric Joyner /* 62971d10453SEric Joyner * Prepare the statically allocated primary PF VSI in the softc 63071d10453SEric Joyner * structure. Other VSIs will be dynamically allocated as needed. 63171d10453SEric Joyner */ 63271d10453SEric Joyner ice_setup_pf_vsi(sc); 63371d10453SEric Joyner 63471d10453SEric Joyner err = ice_alloc_vsi_qmap(&sc->pf_vsi, scctx->isc_ntxqsets_max, 63571d10453SEric Joyner scctx->isc_nrxqsets_max); 63671d10453SEric Joyner if (err) { 63771d10453SEric Joyner device_printf(dev, "Unable to allocate VSI Queue maps\n"); 63871d10453SEric Joyner goto free_main_vsi; 63971d10453SEric Joyner } 64071d10453SEric Joyner 64171d10453SEric Joyner /* Allocate MSI-X vectors (due to isc_flags IFLIB_SKIP_MSIX) */ 64271d10453SEric Joyner err = ice_allocate_msix(sc); 64371d10453SEric Joyner if (err) 64471d10453SEric Joyner goto free_main_vsi; 64571d10453SEric Joyner 64671d10453SEric Joyner return 0; 64771d10453SEric Joyner 64871d10453SEric Joyner free_main_vsi: 64971d10453SEric Joyner /* ice_release_vsi will free the queue maps if they were allocated */ 65071d10453SEric Joyner ice_release_vsi(&sc->pf_vsi); 65171d10453SEric Joyner free(sc->all_vsi, M_ICE); 65271d10453SEric Joyner sc->all_vsi = NULL; 65371d10453SEric Joyner free_intr_tracking: 65471d10453SEric Joyner ice_free_intr_tracking(sc); 65571d10453SEric Joyner free_rx_qmgr: 65671d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 65771d10453SEric Joyner free_tx_qmgr: 65871d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 65971d10453SEric Joyner deinit_hw: 66071d10453SEric Joyner ice_deinit_hw(hw); 66171d10453SEric Joyner free_pci_mapping: 66271d10453SEric Joyner ice_free_pci_mapping(sc); 66371d10453SEric Joyner destroy_admin_timer: 66471d10453SEric Joyner mtx_lock(&sc->admin_mtx); 66571d10453SEric Joyner callout_stop(&sc->admin_timer); 66671d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 66771d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 66871d10453SEric Joyner return err; 66971d10453SEric Joyner } /* ice_if_attach_pre */ 67071d10453SEric Joyner 67171d10453SEric Joyner /** 67271d10453SEric Joyner * ice_attach_pre_recovery_mode - Limited driver attach_pre for FW recovery 67371d10453SEric Joyner * @sc: the device private softc 67471d10453SEric Joyner * 67571d10453SEric Joyner * Loads the device driver in limited Firmware Recovery mode, intended to 67671d10453SEric Joyner * allow users to update the firmware to attempt to recover the device. 67771d10453SEric Joyner * 67871d10453SEric Joyner * @remark We may enter recovery mode in case either (a) the firmware is 67971d10453SEric Joyner * detected to be in an invalid state and must be re-programmed, or (b) the 68071d10453SEric Joyner * driver detects that the loaded firmware has a non-compatible API version 68171d10453SEric Joyner * that the driver cannot operate with. 68271d10453SEric Joyner */ 68371d10453SEric Joyner static int 68471d10453SEric Joyner ice_attach_pre_recovery_mode(struct ice_softc *sc) 68571d10453SEric Joyner { 68671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RECOVERY_MODE); 68771d10453SEric Joyner 68871d10453SEric Joyner /* Setup the iflib softc context */ 68971d10453SEric Joyner ice_setup_scctx(sc); 69071d10453SEric Joyner 69171d10453SEric Joyner /* Setup the PF VSI back pointer */ 69271d10453SEric Joyner sc->pf_vsi.sc = sc; 69371d10453SEric Joyner 69471d10453SEric Joyner /* 69571d10453SEric Joyner * We still need to allocate MSI-X vectors since we need one vector to 69671d10453SEric Joyner * run the administrative admin interrupt 69771d10453SEric Joyner */ 69871d10453SEric Joyner return ice_allocate_msix(sc); 69971d10453SEric Joyner } 70071d10453SEric Joyner 70171d10453SEric Joyner /** 70271d10453SEric Joyner * ice_update_link_status - notify OS of link state change 70371d10453SEric Joyner * @sc: device private softc structure 70471d10453SEric Joyner * @update_media: true if we should update media even if link didn't change 70571d10453SEric Joyner * 70671d10453SEric Joyner * Called to notify iflib core of link status changes. Should be called once 70771d10453SEric Joyner * during attach_post, and whenever link status changes during runtime. 70871d10453SEric Joyner * 70971d10453SEric Joyner * This call only updates the currently supported media types if the link 71071d10453SEric Joyner * status changed, or if update_media is set to true. 71171d10453SEric Joyner */ 71271d10453SEric Joyner static void 71371d10453SEric Joyner ice_update_link_status(struct ice_softc *sc, bool update_media) 71471d10453SEric Joyner { 71571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 7167d7af7f8SEric Joyner enum ice_status status; 71771d10453SEric Joyner 71871d10453SEric Joyner /* Never report link up when in recovery mode */ 71971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 72071d10453SEric Joyner return; 72171d10453SEric Joyner 72271d10453SEric Joyner /* Report link status to iflib only once each time it changes */ 72371d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED)) { 72471d10453SEric Joyner if (sc->link_up) { /* link is up */ 72571d10453SEric Joyner uint64_t baudrate = ice_aq_speed_to_rate(sc->hw.port_info); 72671d10453SEric Joyner 7279c30461dSEric Joyner if (!(hw->port_info->phy.link_info_old.link_info & ICE_AQ_LINK_UP)) 7287d7af7f8SEric Joyner ice_set_default_local_lldp_mib(sc); 7297d7af7f8SEric Joyner 73071d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_UP, baudrate); 7318a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_UP, baudrate); 73271d10453SEric Joyner 73371d10453SEric Joyner ice_link_up_msg(sc); 73471d10453SEric Joyner } else { /* link is down */ 73571d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 7368a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_DOWN, 0); 73771d10453SEric Joyner } 7389dc2f6e2SEric Joyner update_media = true; 73971d10453SEric Joyner } 74071d10453SEric Joyner 74171d10453SEric Joyner /* Update the supported media types */ 7429c30461dSEric Joyner if (update_media && !ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 7437d7af7f8SEric Joyner status = ice_add_media_types(sc, sc->media); 74471d10453SEric Joyner if (status) 74571d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 74671d10453SEric Joyner ice_status_str(status), 74771d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 74871d10453SEric Joyner } 74971d10453SEric Joyner } 75071d10453SEric Joyner 75171d10453SEric Joyner /** 75271d10453SEric Joyner * ice_if_attach_post - Late device attach logic 75371d10453SEric Joyner * @ctx: the iflib context structure 75471d10453SEric Joyner * 75571d10453SEric Joyner * Called by iflib to finish up attaching the device. Performs any attach 75671d10453SEric Joyner * logic which must wait until after the Tx and Rx queues have been 75771d10453SEric Joyner * allocated. 75871d10453SEric Joyner */ 75971d10453SEric Joyner static int 76071d10453SEric Joyner ice_if_attach_post(if_ctx_t ctx) 76171d10453SEric Joyner { 76271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 76371d10453SEric Joyner if_t ifp = iflib_get_ifp(ctx); 7649c30461dSEric Joyner enum ice_status status; 76571d10453SEric Joyner int err; 76671d10453SEric Joyner 76771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 76871d10453SEric Joyner 76971d10453SEric Joyner /* We don't yet support loading if MSI-X is not supported */ 77071d10453SEric Joyner if (sc->scctx->isc_intr != IFLIB_INTR_MSIX) { 77171d10453SEric Joyner device_printf(sc->dev, "The ice driver does not support loading without MSI-X\n"); 77271d10453SEric Joyner return (ENOTSUP); 77371d10453SEric Joyner } 77471d10453SEric Joyner 77571d10453SEric Joyner /* The ifnet structure hasn't yet been initialized when the attach_pre 77671d10453SEric Joyner * handler is called, so wait until attach_post to setup the 77771d10453SEric Joyner * isc_max_frame_size. 77871d10453SEric Joyner */ 77971d10453SEric Joyner 78071d10453SEric Joyner sc->ifp = ifp; 781402810d3SJustin Hibbits sc->scctx->isc_max_frame_size = if_getmtu(ifp) + 78271d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 78371d10453SEric Joyner 78471d10453SEric Joyner /* 78571d10453SEric Joyner * If we are in recovery mode, only perform a limited subset of 78671d10453SEric Joyner * initialization to support NVM recovery. 78771d10453SEric Joyner */ 78871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 78971d10453SEric Joyner ice_attach_post_recovery_mode(sc); 79071d10453SEric Joyner return (0); 79171d10453SEric Joyner } 79271d10453SEric Joyner 79371d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 79471d10453SEric Joyner 79571d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 79671d10453SEric Joyner if (err) { 79771d10453SEric Joyner device_printf(sc->dev, "Unable to initialize Main VSI: %s\n", 79871d10453SEric Joyner ice_err_str(err)); 79971d10453SEric Joyner return err; 80071d10453SEric Joyner } 80171d10453SEric Joyner 8029cf1841cSEric Joyner /* Enable FW health event reporting */ 8039cf1841cSEric Joyner ice_init_health_events(sc); 8049cf1841cSEric Joyner 80571d10453SEric Joyner /* Configure the main PF VSI for RSS */ 80671d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 80771d10453SEric Joyner if (err) { 80871d10453SEric Joyner device_printf(sc->dev, 80971d10453SEric Joyner "Unable to configure RSS for the main VSI, err %s\n", 81071d10453SEric Joyner ice_err_str(err)); 81171d10453SEric Joyner return err; 81271d10453SEric Joyner } 81371d10453SEric Joyner 81471d10453SEric Joyner /* Configure switch to drop transmitted LLDP and PAUSE frames */ 81571d10453SEric Joyner err = ice_cfg_pf_ethertype_filters(sc); 81671d10453SEric Joyner if (err) 81771d10453SEric Joyner return err; 81871d10453SEric Joyner 81971d10453SEric Joyner ice_get_and_print_bus_info(sc); 82071d10453SEric Joyner 82171d10453SEric Joyner ice_set_link_management_mode(sc); 82271d10453SEric Joyner 82371d10453SEric Joyner ice_init_saved_phy_cfg(sc); 82471d10453SEric Joyner 82556429daeSEric Joyner ice_cfg_pba_num(sc); 82656429daeSEric Joyner 8279c30461dSEric Joyner /* Set a default value for PFC mode on attach since the FW state is unknown 8289c30461dSEric Joyner * before sysctl tunables are executed and it can't be queried. This fixes an 8299c30461dSEric Joyner * issue when loading the driver with the FW LLDP agent enabled but the FW 8309c30461dSEric Joyner * was previously in DSCP PFC mode. 8319c30461dSEric Joyner */ 8329c30461dSEric Joyner status = ice_aq_set_pfc_mode(&sc->hw, ICE_AQC_PFC_VLAN_BASED_PFC, NULL); 8339c30461dSEric Joyner if (status != ICE_SUCCESS) 8349c30461dSEric Joyner device_printf(sc->dev, "Setting pfc mode failed, status %s\n", ice_status_str(status)); 8359c30461dSEric Joyner 83671d10453SEric Joyner ice_add_device_sysctls(sc); 83771d10453SEric Joyner 83871d10453SEric Joyner /* Get DCBX/LLDP state and start DCBX agent */ 83971d10453SEric Joyner ice_init_dcb_setup(sc); 84071d10453SEric Joyner 84171d10453SEric Joyner /* Setup link configuration parameters */ 84271d10453SEric Joyner ice_init_link_configuration(sc); 84371d10453SEric Joyner ice_update_link_status(sc, true); 84471d10453SEric Joyner 84571d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 84671d10453SEric Joyner ice_configure_misc_interrupts(sc); 84771d10453SEric Joyner 84871d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 84971d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 85071d10453SEric Joyner 8518a13362dSEric Joyner err = ice_rdma_pf_attach(sc); 8528a13362dSEric Joyner if (err) 8538a13362dSEric Joyner return (err); 8548a13362dSEric Joyner 85571d10453SEric Joyner /* Start the admin timer */ 85671d10453SEric Joyner mtx_lock(&sc->admin_mtx); 85771d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 85871d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 85971d10453SEric Joyner 8609c30461dSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) && 8619c30461dSEric Joyner !ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) 8629c30461dSEric Joyner ice_set_state(&sc->state, ICE_STATE_FIRST_INIT_LINK); 8639c30461dSEric Joyner 86456429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 86556429daeSEric Joyner 86671d10453SEric Joyner return 0; 86771d10453SEric Joyner } /* ice_if_attach_post */ 86871d10453SEric Joyner 86971d10453SEric Joyner /** 87071d10453SEric Joyner * ice_attach_post_recovery_mode - Limited driver attach_post for FW recovery 87171d10453SEric Joyner * @sc: the device private softc 87271d10453SEric Joyner * 87371d10453SEric Joyner * Performs minimal work to prepare the driver to recover an NVM in case the 87471d10453SEric Joyner * firmware is in recovery mode. 87571d10453SEric Joyner */ 87671d10453SEric Joyner static void 87771d10453SEric Joyner ice_attach_post_recovery_mode(struct ice_softc *sc) 87871d10453SEric Joyner { 87971d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 88071d10453SEric Joyner ice_configure_misc_interrupts(sc); 88171d10453SEric Joyner 88271d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 88371d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 88471d10453SEric Joyner 88571d10453SEric Joyner /* Start the admin timer */ 88671d10453SEric Joyner mtx_lock(&sc->admin_mtx); 88771d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 88871d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 88956429daeSEric Joyner 89056429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 89171d10453SEric Joyner } 89271d10453SEric Joyner 89371d10453SEric Joyner /** 89471d10453SEric Joyner * ice_free_irqvs - Free IRQ vector memory 89571d10453SEric Joyner * @sc: the device private softc structure 89671d10453SEric Joyner * 89771d10453SEric Joyner * Free IRQ vector memory allocated during ice_if_msix_intr_assign. 89871d10453SEric Joyner */ 89971d10453SEric Joyner static void 90071d10453SEric Joyner ice_free_irqvs(struct ice_softc *sc) 90171d10453SEric Joyner { 90271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 90371d10453SEric Joyner if_ctx_t ctx = sc->ctx; 90471d10453SEric Joyner int i; 90571d10453SEric Joyner 90671d10453SEric Joyner /* If the irqvs array is NULL, then there are no vectors to free */ 90771d10453SEric Joyner if (sc->irqvs == NULL) 90871d10453SEric Joyner return; 90971d10453SEric Joyner 91071d10453SEric Joyner /* Free the IRQ vectors */ 91171d10453SEric Joyner for (i = 0; i < sc->num_irq_vectors; i++) 91271d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[i].irq); 91371d10453SEric Joyner 91471d10453SEric Joyner /* Clear the irqv pointers */ 91571d10453SEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 91671d10453SEric Joyner vsi->rx_queues[i].irqv = NULL; 91771d10453SEric Joyner 91871d10453SEric Joyner for (i = 0; i < vsi->num_tx_queues; i++) 91971d10453SEric Joyner vsi->tx_queues[i].irqv = NULL; 92071d10453SEric Joyner 92171d10453SEric Joyner /* Release the vector array memory */ 92271d10453SEric Joyner free(sc->irqvs, M_ICE); 92371d10453SEric Joyner sc->irqvs = NULL; 92471d10453SEric Joyner sc->num_irq_vectors = 0; 92571d10453SEric Joyner } 92671d10453SEric Joyner 92771d10453SEric Joyner /** 92871d10453SEric Joyner * ice_if_detach - Device driver detach logic 92971d10453SEric Joyner * @ctx: iflib context structure 93071d10453SEric Joyner * 93171d10453SEric Joyner * Perform device shutdown logic to detach the device driver. 93271d10453SEric Joyner * 93371d10453SEric Joyner * Note that there is no guarantee of the ordering of ice_if_queues_free() and 93471d10453SEric Joyner * ice_if_detach(). It is possible for the functions to be called in either 93571d10453SEric Joyner * order, and they must not assume to have a strict ordering. 93671d10453SEric Joyner */ 93771d10453SEric Joyner static int 93871d10453SEric Joyner ice_if_detach(if_ctx_t ctx) 93971d10453SEric Joyner { 94071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 94171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 9429c30461dSEric Joyner enum ice_status status; 94371d10453SEric Joyner int i; 94471d10453SEric Joyner 94571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 94671d10453SEric Joyner 94771d10453SEric Joyner /* Indicate that we're detaching */ 94871d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DETACHING); 94971d10453SEric Joyner 95071d10453SEric Joyner /* Stop the admin timer */ 95171d10453SEric Joyner mtx_lock(&sc->admin_mtx); 95271d10453SEric Joyner callout_stop(&sc->admin_timer); 95371d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 95471d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 95571d10453SEric Joyner 956*9e54973fSEric Joyner /* Remove additional interfaces if they exist */ 957*9e54973fSEric Joyner if (sc->mirr_if) 958*9e54973fSEric Joyner ice_destroy_mirror_interface(sc); 9598a13362dSEric Joyner ice_rdma_pf_detach(sc); 9608a13362dSEric Joyner 96171d10453SEric Joyner /* Free allocated media types */ 96271d10453SEric Joyner ifmedia_removeall(sc->media); 96371d10453SEric Joyner 96471d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 96571d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_queues_free() 96671d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 96771d10453SEric Joyner * run first 96871d10453SEric Joyner */ 96971d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 97071d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 97171d10453SEric Joyner 97271d10453SEric Joyner /* Release MSI-X resources */ 97371d10453SEric Joyner ice_free_irqvs(sc); 97471d10453SEric Joyner 97571d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 97671d10453SEric Joyner if (sc->all_vsi[i]) 97771d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 97871d10453SEric Joyner } 97971d10453SEric Joyner 98071d10453SEric Joyner if (sc->all_vsi) { 98171d10453SEric Joyner free(sc->all_vsi, M_ICE); 98271d10453SEric Joyner sc->all_vsi = NULL; 98371d10453SEric Joyner } 98471d10453SEric Joyner 98571d10453SEric Joyner /* Release MSI-X memory */ 98671d10453SEric Joyner pci_release_msi(sc->dev); 98771d10453SEric Joyner 98871d10453SEric Joyner if (sc->msix_table != NULL) { 98971d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 99071d10453SEric Joyner rman_get_rid(sc->msix_table), 99171d10453SEric Joyner sc->msix_table); 99271d10453SEric Joyner sc->msix_table = NULL; 99371d10453SEric Joyner } 99471d10453SEric Joyner 99571d10453SEric Joyner ice_free_intr_tracking(sc); 99671d10453SEric Joyner 99771d10453SEric Joyner /* Destroy the queue managers */ 99871d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 99971d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 100071d10453SEric Joyner 100171d10453SEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 100271d10453SEric Joyner ice_deinit_hw(&sc->hw); 100371d10453SEric Joyner 10049c30461dSEric Joyner IFLIB_CTX_UNLOCK(sc); 10059c30461dSEric Joyner status = ice_reset(&sc->hw, ICE_RESET_PFR); 10069c30461dSEric Joyner IFLIB_CTX_LOCK(sc); 10079c30461dSEric Joyner if (status) { 10089c30461dSEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 10099c30461dSEric Joyner ice_status_str(status)); 10109c30461dSEric Joyner } 10119c30461dSEric Joyner 101271d10453SEric Joyner ice_free_pci_mapping(sc); 101371d10453SEric Joyner 101471d10453SEric Joyner return 0; 101571d10453SEric Joyner } /* ice_if_detach */ 101671d10453SEric Joyner 101771d10453SEric Joyner /** 101871d10453SEric Joyner * ice_if_tx_queues_alloc - Allocate Tx queue memory 101971d10453SEric Joyner * @ctx: iflib context structure 102071d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 102171d10453SEric Joyner * @paddrs: physical addresses for the queue memory 102271d10453SEric Joyner * @ntxqs: the number of Tx queues per set (should always be 1) 102371d10453SEric Joyner * @ntxqsets: the number of Tx queue sets to allocate 102471d10453SEric Joyner * 102571d10453SEric Joyner * Called by iflib to allocate Tx queues for the device. Allocates driver 102671d10453SEric Joyner * memory to track each queue, the status arrays used for descriptor 102771d10453SEric Joyner * status reporting, and Tx queue sysctls. 102871d10453SEric Joyner */ 102971d10453SEric Joyner static int 103071d10453SEric Joyner ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 103171d10453SEric Joyner int __invariant_only ntxqs, int ntxqsets) 103271d10453SEric Joyner { 103371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 103471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 103571d10453SEric Joyner struct ice_tx_queue *txq; 103671d10453SEric Joyner int err, i, j; 103771d10453SEric Joyner 103871d10453SEric Joyner MPASS(ntxqs == 1); 103971d10453SEric Joyner MPASS(sc->scctx->isc_ntxd[0] <= ICE_MAX_DESC_COUNT); 104071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 104171d10453SEric Joyner 104271d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 104371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 104471d10453SEric Joyner return (0); 104571d10453SEric Joyner 104671d10453SEric Joyner /* Allocate queue structure memory */ 104771d10453SEric Joyner if (!(vsi->tx_queues = 10488923de59SPiotr Kubaj (struct ice_tx_queue *) malloc(sizeof(struct ice_tx_queue) * ntxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 104971d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Tx queue memory\n"); 105071d10453SEric Joyner return (ENOMEM); 105171d10453SEric Joyner } 105271d10453SEric Joyner 105371d10453SEric Joyner /* Allocate report status arrays */ 105471d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 105571d10453SEric Joyner if (!(txq->tx_rsq = 10568923de59SPiotr Kubaj (uint16_t *) malloc(sizeof(uint16_t) * sc->scctx->isc_ntxd[0], M_ICE, M_NOWAIT))) { 105771d10453SEric Joyner device_printf(sc->dev, "Unable to allocate tx_rsq memory\n"); 105871d10453SEric Joyner err = ENOMEM; 105971d10453SEric Joyner goto free_tx_queues; 106071d10453SEric Joyner } 106171d10453SEric Joyner /* Initialize report status array */ 106271d10453SEric Joyner for (j = 0; j < sc->scctx->isc_ntxd[0]; j++) 106371d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 106471d10453SEric Joyner } 106571d10453SEric Joyner 106671d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 106771d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, ntxqsets); 106871d10453SEric Joyner if (err) { 106971d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 107071d10453SEric Joyner ice_err_str(err)); 107171d10453SEric Joyner goto free_tx_queues; 107271d10453SEric Joyner } 107371d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 107471d10453SEric Joyner 107571d10453SEric Joyner /* Add Tx queue sysctls context */ 107671d10453SEric Joyner ice_vsi_add_txqs_ctx(vsi); 107771d10453SEric Joyner 107871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 107956429daeSEric Joyner /* q_handle == me when only one TC */ 108056429daeSEric Joyner txq->me = txq->q_handle = i; 108171d10453SEric Joyner txq->vsi = vsi; 108271d10453SEric Joyner 108371d10453SEric Joyner /* store the queue size for easier access */ 108471d10453SEric Joyner txq->desc_count = sc->scctx->isc_ntxd[0]; 108571d10453SEric Joyner 108671d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 108771d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 108871d10453SEric Joyner txq->tx_base = (struct ice_tx_desc *)vaddrs[i]; 108971d10453SEric Joyner txq->tx_paddr = paddrs[i]; 109071d10453SEric Joyner 109171d10453SEric Joyner ice_add_txq_sysctls(txq); 109271d10453SEric Joyner } 109371d10453SEric Joyner 109471d10453SEric Joyner vsi->num_tx_queues = ntxqsets; 109571d10453SEric Joyner 109671d10453SEric Joyner return (0); 109771d10453SEric Joyner 109871d10453SEric Joyner free_tx_queues: 109971d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 110071d10453SEric Joyner if (txq->tx_rsq != NULL) { 110171d10453SEric Joyner free(txq->tx_rsq, M_ICE); 110271d10453SEric Joyner txq->tx_rsq = NULL; 110371d10453SEric Joyner } 110471d10453SEric Joyner } 110571d10453SEric Joyner free(vsi->tx_queues, M_ICE); 110671d10453SEric Joyner vsi->tx_queues = NULL; 110771d10453SEric Joyner return err; 110871d10453SEric Joyner } 110971d10453SEric Joyner 111071d10453SEric Joyner /** 111171d10453SEric Joyner * ice_if_rx_queues_alloc - Allocate Rx queue memory 111271d10453SEric Joyner * @ctx: iflib context structure 111371d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 111471d10453SEric Joyner * @paddrs: physical addresses for the queue memory 111571d10453SEric Joyner * @nrxqs: number of Rx queues per set (should always be 1) 111671d10453SEric Joyner * @nrxqsets: number of Rx queue sets to allocate 111771d10453SEric Joyner * 111871d10453SEric Joyner * Called by iflib to allocate Rx queues for the device. Allocates driver 111971d10453SEric Joyner * memory to track each queue, as well as sets up the Rx queue sysctls. 112071d10453SEric Joyner */ 112171d10453SEric Joyner static int 112271d10453SEric Joyner ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 112371d10453SEric Joyner int __invariant_only nrxqs, int nrxqsets) 112471d10453SEric Joyner { 112571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 112671d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 112771d10453SEric Joyner struct ice_rx_queue *rxq; 112871d10453SEric Joyner int err, i; 112971d10453SEric Joyner 113071d10453SEric Joyner MPASS(nrxqs == 1); 113171d10453SEric Joyner MPASS(sc->scctx->isc_nrxd[0] <= ICE_MAX_DESC_COUNT); 113271d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 113371d10453SEric Joyner 113471d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 113571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 113671d10453SEric Joyner return (0); 113771d10453SEric Joyner 113871d10453SEric Joyner /* Allocate queue structure memory */ 113971d10453SEric Joyner if (!(vsi->rx_queues = 11408923de59SPiotr Kubaj (struct ice_rx_queue *) malloc(sizeof(struct ice_rx_queue) * nrxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 114171d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Rx queue memory\n"); 114271d10453SEric Joyner return (ENOMEM); 114371d10453SEric Joyner } 114471d10453SEric Joyner 114571d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 114671d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, nrxqsets); 114771d10453SEric Joyner if (err) { 114871d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 114971d10453SEric Joyner ice_err_str(err)); 115071d10453SEric Joyner goto free_rx_queues; 115171d10453SEric Joyner } 115271d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 115371d10453SEric Joyner 115471d10453SEric Joyner /* Add Rx queue sysctls context */ 115571d10453SEric Joyner ice_vsi_add_rxqs_ctx(vsi); 115671d10453SEric Joyner 115771d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < nrxqsets; i++, rxq++) { 115871d10453SEric Joyner rxq->me = i; 115971d10453SEric Joyner rxq->vsi = vsi; 116071d10453SEric Joyner 116171d10453SEric Joyner /* store the queue size for easier access */ 116271d10453SEric Joyner rxq->desc_count = sc->scctx->isc_nrxd[0]; 116371d10453SEric Joyner 116471d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 116571d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 116671d10453SEric Joyner rxq->rx_base = (union ice_32b_rx_flex_desc *)vaddrs[i]; 116771d10453SEric Joyner rxq->rx_paddr = paddrs[i]; 116871d10453SEric Joyner 116971d10453SEric Joyner ice_add_rxq_sysctls(rxq); 117071d10453SEric Joyner } 117171d10453SEric Joyner 117271d10453SEric Joyner vsi->num_rx_queues = nrxqsets; 117371d10453SEric Joyner 117471d10453SEric Joyner return (0); 117571d10453SEric Joyner 117671d10453SEric Joyner free_rx_queues: 117771d10453SEric Joyner free(vsi->rx_queues, M_ICE); 117871d10453SEric Joyner vsi->rx_queues = NULL; 117971d10453SEric Joyner return err; 118071d10453SEric Joyner } 118171d10453SEric Joyner 118271d10453SEric Joyner /** 118371d10453SEric Joyner * ice_if_queues_free - Free queue memory 118471d10453SEric Joyner * @ctx: the iflib context structure 118571d10453SEric Joyner * 118671d10453SEric Joyner * Free queue memory allocated by ice_if_tx_queues_alloc() and 118771d10453SEric Joyner * ice_if_rx_queues_alloc(). 118871d10453SEric Joyner * 118971d10453SEric Joyner * There is no guarantee that ice_if_queues_free() and ice_if_detach() will be 119071d10453SEric Joyner * called in the same order. It's possible for ice_if_queues_free() to be 119171d10453SEric Joyner * called prior to ice_if_detach(), and vice versa. 119271d10453SEric Joyner * 119371d10453SEric Joyner * For this reason, the main VSI is a static member of the ice_softc, which is 119471d10453SEric Joyner * not free'd until after iflib finishes calling both of these functions. 119571d10453SEric Joyner * 119671d10453SEric Joyner * Thus, care must be taken in how we manage the memory being freed by this 119771d10453SEric Joyner * function, and in what tasks it can and must perform. 119871d10453SEric Joyner */ 119971d10453SEric Joyner static void 120071d10453SEric Joyner ice_if_queues_free(if_ctx_t ctx) 120171d10453SEric Joyner { 120271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 120371d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 120471d10453SEric Joyner struct ice_tx_queue *txq; 120571d10453SEric Joyner int i; 120671d10453SEric Joyner 120771d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 120871d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_detach() 120971d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 121071d10453SEric Joyner * run first 121171d10453SEric Joyner */ 121271d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 121371d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 121471d10453SEric Joyner 121571d10453SEric Joyner /* Release MSI-X IRQ vectors, if not yet released in ice_if_detach */ 121671d10453SEric Joyner ice_free_irqvs(sc); 121771d10453SEric Joyner 121871d10453SEric Joyner if (vsi->tx_queues != NULL) { 121971d10453SEric Joyner /* free the tx_rsq arrays */ 122071d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 122171d10453SEric Joyner if (txq->tx_rsq != NULL) { 122271d10453SEric Joyner free(txq->tx_rsq, M_ICE); 122371d10453SEric Joyner txq->tx_rsq = NULL; 122471d10453SEric Joyner } 122571d10453SEric Joyner } 122671d10453SEric Joyner free(vsi->tx_queues, M_ICE); 122771d10453SEric Joyner vsi->tx_queues = NULL; 122871d10453SEric Joyner vsi->num_tx_queues = 0; 122971d10453SEric Joyner } 123071d10453SEric Joyner if (vsi->rx_queues != NULL) { 123171d10453SEric Joyner free(vsi->rx_queues, M_ICE); 123271d10453SEric Joyner vsi->rx_queues = NULL; 123371d10453SEric Joyner vsi->num_rx_queues = 0; 123471d10453SEric Joyner } 123571d10453SEric Joyner } 123671d10453SEric Joyner 123771d10453SEric Joyner /** 123871d10453SEric Joyner * ice_msix_que - Fast interrupt handler for MSI-X receive queues 123971d10453SEric Joyner * @arg: The Rx queue memory 124071d10453SEric Joyner * 124171d10453SEric Joyner * Interrupt filter function for iflib MSI-X interrupts. Called by iflib when 124271d10453SEric Joyner * an MSI-X interrupt for a given queue is triggered. Currently this just asks 124371d10453SEric Joyner * iflib to schedule the main Rx thread. 124471d10453SEric Joyner */ 124571d10453SEric Joyner static int 124671d10453SEric Joyner ice_msix_que(void *arg) 124771d10453SEric Joyner { 124871d10453SEric Joyner struct ice_rx_queue __unused *rxq = (struct ice_rx_queue *)arg; 124971d10453SEric Joyner 125071d10453SEric Joyner /* TODO: dynamic ITR algorithm?? */ 125171d10453SEric Joyner 125271d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 125371d10453SEric Joyner } 125471d10453SEric Joyner 125571d10453SEric Joyner /** 125671d10453SEric Joyner * ice_msix_admin - Fast interrupt handler for MSI-X admin interrupt 125771d10453SEric Joyner * @arg: pointer to device softc memory 125871d10453SEric Joyner * 125971d10453SEric Joyner * Called by iflib when an administrative interrupt occurs. Should perform any 126071d10453SEric Joyner * fast logic for handling the interrupt cause, and then indicate whether the 126171d10453SEric Joyner * admin task needs to be queued. 126271d10453SEric Joyner */ 126371d10453SEric Joyner static int 126471d10453SEric Joyner ice_msix_admin(void *arg) 126571d10453SEric Joyner { 126671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 126771d10453SEric Joyner struct ice_hw *hw = &sc->hw; 126871d10453SEric Joyner device_t dev = sc->dev; 126971d10453SEric Joyner u32 oicr; 127071d10453SEric Joyner 127171d10453SEric Joyner /* There is no safe way to modify the enabled miscellaneous causes of 127271d10453SEric Joyner * the OICR vector at runtime, as doing so would be prone to race 127371d10453SEric Joyner * conditions. Reading PFINT_OICR will unmask the associated interrupt 127471d10453SEric Joyner * causes and allow future interrupts to occur. The admin interrupt 127571d10453SEric Joyner * vector will not be re-enabled until after we exit this function, 127671d10453SEric Joyner * but any delayed tasks must be resilient against possible "late 127771d10453SEric Joyner * arrival" interrupts that occur while we're already handling the 127871d10453SEric Joyner * task. This is done by using state bits and serializing these 127971d10453SEric Joyner * delayed tasks via the admin status task function. 128071d10453SEric Joyner */ 128171d10453SEric Joyner oicr = rd32(hw, PFINT_OICR); 128271d10453SEric Joyner 128371d10453SEric Joyner /* Processing multiple controlq interrupts on a single vector does not 128471d10453SEric Joyner * provide an indication of which controlq triggered the interrupt. 128571d10453SEric Joyner * We might try reading the INTEVENT bit of the respective PFINT_*_CTL 128671d10453SEric Joyner * registers. However, the INTEVENT bit is not guaranteed to be set as 128771d10453SEric Joyner * it gets automatically cleared when the hardware acknowledges the 128871d10453SEric Joyner * interrupt. 128971d10453SEric Joyner * 129071d10453SEric Joyner * This means we don't really have a good indication of whether or 129171d10453SEric Joyner * which controlq triggered this interrupt. We'll just notify the 129271d10453SEric Joyner * admin task that it should check all the controlqs. 129371d10453SEric Joyner */ 129471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 129571d10453SEric Joyner 129671d10453SEric Joyner if (oicr & PFINT_OICR_VFLR_M) { 129771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_VFLR_PENDING); 129871d10453SEric Joyner } 129971d10453SEric Joyner 130071d10453SEric Joyner if (oicr & PFINT_OICR_MAL_DETECT_M) { 130171d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_MDD_PENDING); 130271d10453SEric Joyner } 130371d10453SEric Joyner 130471d10453SEric Joyner if (oicr & PFINT_OICR_GRST_M) { 130571d10453SEric Joyner u32 reset; 130671d10453SEric Joyner 130771d10453SEric Joyner reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 130871d10453SEric Joyner GLGEN_RSTAT_RESET_TYPE_S; 130971d10453SEric Joyner 131071d10453SEric Joyner if (reset == ICE_RESET_CORER) 131171d10453SEric Joyner sc->soft_stats.corer_count++; 131271d10453SEric Joyner else if (reset == ICE_RESET_GLOBR) 131371d10453SEric Joyner sc->soft_stats.globr_count++; 131471d10453SEric Joyner else 131571d10453SEric Joyner sc->soft_stats.empr_count++; 131671d10453SEric Joyner 131771d10453SEric Joyner /* There are a couple of bits at play for handling resets. 131871d10453SEric Joyner * First, the ICE_STATE_RESET_OICR_RECV bit is used to 131971d10453SEric Joyner * indicate that the driver has received an OICR with a reset 132071d10453SEric Joyner * bit active, indicating that a CORER/GLOBR/EMPR is about to 132171d10453SEric Joyner * happen. Second, we set hw->reset_ongoing to indicate that 132271d10453SEric Joyner * the hardware is in reset. We will set this back to false as 132371d10453SEric Joyner * soon as the driver has determined that the hardware is out 132471d10453SEric Joyner * of reset. 132571d10453SEric Joyner * 1326b6f9c6aaSGordon Bergling * If the driver wishes to trigger a request, it can set one of 132771d10453SEric Joyner * the ICE_STATE_RESET_*_REQ bits, which will trigger the 132871d10453SEric Joyner * correct type of reset. 132971d10453SEric Joyner */ 1330*9e54973fSEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) { 133171d10453SEric Joyner hw->reset_ongoing = true; 1332*9e54973fSEric Joyner /* 1333*9e54973fSEric Joyner * During the NVM update process, there is a driver reset and link 1334*9e54973fSEric Joyner * goes down and then up. The below if-statement prevents a second 1335*9e54973fSEric Joyner * link flap from occurring in ice_if_init(). 1336*9e54973fSEric Joyner */ 1337*9e54973fSEric Joyner if (if_getflags(sc->ifp) & IFF_UP) 1338*9e54973fSEric Joyner ice_set_state(&sc->state, ICE_STATE_FIRST_INIT_LINK); 1339*9e54973fSEric Joyner } 134071d10453SEric Joyner } 134171d10453SEric Joyner 134271d10453SEric Joyner if (oicr & PFINT_OICR_ECC_ERR_M) { 134371d10453SEric Joyner device_printf(dev, "ECC Error detected!\n"); 134471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 134571d10453SEric Joyner } 134671d10453SEric Joyner 134701fbb869SBartosz Sobczak if (oicr & (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M)) { 134801fbb869SBartosz Sobczak if (oicr & PFINT_OICR_HMC_ERR_M) 134901fbb869SBartosz Sobczak /* Log the HMC errors */ 135001fbb869SBartosz Sobczak ice_log_hmc_error(hw, dev); 135101fbb869SBartosz Sobczak ice_rdma_notify_pe_intr(sc, oicr); 135271d10453SEric Joyner } 135371d10453SEric Joyner 135471d10453SEric Joyner if (oicr & PFINT_OICR_PCI_EXCEPTION_M) { 135571d10453SEric Joyner device_printf(dev, "PCI Exception detected!\n"); 135671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 135771d10453SEric Joyner } 135871d10453SEric Joyner 135971d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 136071d10453SEric Joyner } 136171d10453SEric Joyner 136271d10453SEric Joyner /** 136371d10453SEric Joyner * ice_allocate_msix - Allocate MSI-X vectors for the interface 136471d10453SEric Joyner * @sc: the device private softc 136571d10453SEric Joyner * 136671d10453SEric Joyner * Map the MSI-X bar, and then request MSI-X vectors in a two-stage process. 136771d10453SEric Joyner * 136871d10453SEric Joyner * First, determine a suitable total number of vectors based on the number 136971d10453SEric Joyner * of CPUs, RSS buckets, the administrative vector, and other demands such as 137071d10453SEric Joyner * RDMA. 137171d10453SEric Joyner * 137271d10453SEric Joyner * Request the desired amount of vectors, and see how many we obtain. If we 137371d10453SEric Joyner * don't obtain as many as desired, reduce the demands by lowering the number 137471d10453SEric Joyner * of requested queues or reducing the demand from other features such as 137571d10453SEric Joyner * RDMA. 137671d10453SEric Joyner * 137771d10453SEric Joyner * @remark This function is required because the driver sets the 137871d10453SEric Joyner * IFLIB_SKIP_MSIX flag indicating that the driver will manage MSI-X vectors 137971d10453SEric Joyner * manually. 138071d10453SEric Joyner * 138171d10453SEric Joyner * @remark This driver will only use MSI-X vectors. If this is not possible, 138271d10453SEric Joyner * neither MSI or legacy interrupts will be tried. 138371d10453SEric Joyner * 1384*9e54973fSEric Joyner * @remark if it exists, os_imgr is initialized here for keeping track of 1385*9e54973fSEric Joyner * the assignments of extra MSIX vectors. 1386*9e54973fSEric Joyner * 138771d10453SEric Joyner * @post on success this function must set the following scctx parameters: 138871d10453SEric Joyner * isc_vectors, isc_nrxqsets, isc_ntxqsets, and isc_intr. 138971d10453SEric Joyner * 139071d10453SEric Joyner * @returns zero on success or an error code on failure. 139171d10453SEric Joyner */ 139271d10453SEric Joyner static int 139371d10453SEric Joyner ice_allocate_msix(struct ice_softc *sc) 139471d10453SEric Joyner { 139571d10453SEric Joyner bool iflib_override_queue_count = false; 139671d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 139771d10453SEric Joyner device_t dev = sc->dev; 139871d10453SEric Joyner cpuset_t cpus; 139971d10453SEric Joyner int bar, queues, vectors, requested; 140071d10453SEric Joyner int err = 0; 14018a13362dSEric Joyner int rdma; 140271d10453SEric Joyner 140371d10453SEric Joyner /* Allocate the MSI-X bar */ 140471d10453SEric Joyner bar = scctx->isc_msix_bar; 140571d10453SEric Joyner sc->msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &bar, RF_ACTIVE); 140671d10453SEric Joyner if (!sc->msix_table) { 140771d10453SEric Joyner device_printf(dev, "Unable to map MSI-X table\n"); 140871d10453SEric Joyner return (ENOMEM); 140971d10453SEric Joyner } 141071d10453SEric Joyner 141171d10453SEric Joyner /* Check if the iflib queue count sysctls have been set */ 141271d10453SEric Joyner if (sc->ifc_sysctl_ntxqs || sc->ifc_sysctl_nrxqs) 141371d10453SEric Joyner iflib_override_queue_count = true; 141471d10453SEric Joyner 141571d10453SEric Joyner err = bus_get_cpus(dev, INTR_CPUS, sizeof(cpus), &cpus); 141671d10453SEric Joyner if (err) { 141771d10453SEric Joyner device_printf(dev, "%s: Unable to fetch the CPU list: %s\n", 141871d10453SEric Joyner __func__, ice_err_str(err)); 141971d10453SEric Joyner CPU_COPY(&all_cpus, &cpus); 142071d10453SEric Joyner } 142171d10453SEric Joyner 142271d10453SEric Joyner /* Attempt to mimic behavior of iflib_msix_init */ 142371d10453SEric Joyner if (iflib_override_queue_count) { 142471d10453SEric Joyner /* 142571d10453SEric Joyner * If the override sysctls have been set, limit the queues to 142671d10453SEric Joyner * the number of logical CPUs. 142771d10453SEric Joyner */ 142871d10453SEric Joyner queues = mp_ncpus; 142971d10453SEric Joyner } else { 143071d10453SEric Joyner /* 143171d10453SEric Joyner * Otherwise, limit the queue count to the CPUs associated 143271d10453SEric Joyner * with the NUMA node the device is associated with. 143371d10453SEric Joyner */ 143471d10453SEric Joyner queues = CPU_COUNT(&cpus); 143571d10453SEric Joyner } 143671d10453SEric Joyner 143771d10453SEric Joyner /* Clamp to the number of RSS buckets */ 143871d10453SEric Joyner queues = imin(queues, rss_getnumbuckets()); 143971d10453SEric Joyner 144071d10453SEric Joyner /* 144171d10453SEric Joyner * Clamp the number of queue pairs to the minimum of the requested Tx 144271d10453SEric Joyner * and Rx queues. 144371d10453SEric Joyner */ 144471d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_ntxqs ?: scctx->isc_ntxqsets); 144571d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_nrxqs ?: scctx->isc_nrxqsets); 144671d10453SEric Joyner 14478a13362dSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RDMA)) { 14488a13362dSEric Joyner /* 14498a13362dSEric Joyner * Choose a number of RDMA vectors based on the number of CPUs 14508a13362dSEric Joyner * up to a maximum 14518a13362dSEric Joyner */ 14528a13362dSEric Joyner rdma = min(CPU_COUNT(&cpus), ICE_RDMA_MAX_MSIX); 14538a13362dSEric Joyner 14548a13362dSEric Joyner /* Further limit by the user configurable tunable */ 14558a13362dSEric Joyner rdma = min(rdma, ice_rdma_max_msix); 14568a13362dSEric Joyner } else { 14578a13362dSEric Joyner rdma = 0; 14588a13362dSEric Joyner } 14598a13362dSEric Joyner 146071d10453SEric Joyner /* 146171d10453SEric Joyner * Determine the number of vectors to request. Note that we also need 146271d10453SEric Joyner * to allocate one vector for administrative tasks. 146371d10453SEric Joyner */ 14648a13362dSEric Joyner requested = rdma + queues + 1; 1465*9e54973fSEric Joyner /* Add extra vectors requested by the user for later subinterface 1466*9e54973fSEric Joyner * creation. 1467*9e54973fSEric Joyner */ 1468*9e54973fSEric Joyner if_ctx_t ctx = sc->ctx; 1469*9e54973fSEric Joyner u32 extra_vectors = iflib_get_extra_msix_vectors_sysctl(ctx); 1470*9e54973fSEric Joyner requested += extra_vectors; 147171d10453SEric Joyner 147271d10453SEric Joyner vectors = requested; 147371d10453SEric Joyner err = pci_alloc_msix(dev, &vectors); 147471d10453SEric Joyner if (err) { 147571d10453SEric Joyner device_printf(dev, "Failed to allocate %d MSI-X vectors, err %s\n", 147671d10453SEric Joyner vectors, ice_err_str(err)); 147771d10453SEric Joyner goto err_free_msix_table; 147871d10453SEric Joyner } 147971d10453SEric Joyner 148071d10453SEric Joyner /* If we don't receive enough vectors, reduce demands */ 148171d10453SEric Joyner if (vectors < requested) { 148271d10453SEric Joyner int diff = requested - vectors; 148371d10453SEric Joyner 148471d10453SEric Joyner device_printf(dev, "Requested %d MSI-X vectors, but got only %d\n", 148571d10453SEric Joyner requested, vectors); 148671d10453SEric Joyner 1487*9e54973fSEric Joyner diff += extra_vectors; 1488*9e54973fSEric Joyner extra_vectors = 0; 148971d10453SEric Joyner /* 14908a13362dSEric Joyner * The OS didn't grant us the requested number of vectors. 14918a13362dSEric Joyner * Check to see if we can reduce demands by limiting the 14928a13362dSEric Joyner * number of vectors allocated to certain features. 14938a13362dSEric Joyner */ 14948a13362dSEric Joyner 14958a13362dSEric Joyner if (rdma >= diff) { 14968a13362dSEric Joyner /* Reduce the number of RDMA vectors we reserve */ 14978a13362dSEric Joyner rdma -= diff; 14988a13362dSEric Joyner diff = 0; 14998a13362dSEric Joyner } else { 15008a13362dSEric Joyner /* Disable RDMA and reduce the difference */ 15018a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 15028a13362dSEric Joyner diff -= rdma; 15038a13362dSEric Joyner rdma = 0; 15048a13362dSEric Joyner } 15058a13362dSEric Joyner 15068a13362dSEric Joyner /* 150771d10453SEric Joyner * If we still have a difference, we need to reduce the number 150871d10453SEric Joyner * of queue pairs. 150971d10453SEric Joyner * 151071d10453SEric Joyner * However, we still need at least one vector for the admin 151171d10453SEric Joyner * interrupt and one queue pair. 151271d10453SEric Joyner */ 151371d10453SEric Joyner if (queues <= diff) { 151471d10453SEric Joyner device_printf(dev, "Unable to allocate sufficient MSI-X vectors\n"); 151571d10453SEric Joyner err = (ERANGE); 151671d10453SEric Joyner goto err_pci_release_msi; 151771d10453SEric Joyner } 151871d10453SEric Joyner 151971d10453SEric Joyner queues -= diff; 152071d10453SEric Joyner } 152171d10453SEric Joyner 152271d10453SEric Joyner device_printf(dev, "Using %d Tx and Rx queues\n", queues); 15238a13362dSEric Joyner if (rdma) 15248a13362dSEric Joyner device_printf(dev, "Reserving %d MSI-X interrupts for iRDMA\n", 15258a13362dSEric Joyner rdma); 152671d10453SEric Joyner device_printf(dev, "Using MSI-X interrupts with %d vectors\n", 152771d10453SEric Joyner vectors); 152871d10453SEric Joyner 1529*9e54973fSEric Joyner /* Split resulting vectors back into requested splits */ 153071d10453SEric Joyner scctx->isc_vectors = vectors; 153171d10453SEric Joyner scctx->isc_nrxqsets = queues; 153271d10453SEric Joyner scctx->isc_ntxqsets = queues; 153371d10453SEric Joyner scctx->isc_intr = IFLIB_INTR_MSIX; 153471d10453SEric Joyner 15358a13362dSEric Joyner sc->irdma_vectors = rdma; 15368a13362dSEric Joyner 153771d10453SEric Joyner /* Interrupt allocation tracking isn't required in recovery mode, 153871d10453SEric Joyner * since neither RDMA nor VFs are enabled. 153971d10453SEric Joyner */ 154071d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 154171d10453SEric Joyner return (0); 154271d10453SEric Joyner 154371d10453SEric Joyner /* Keep track of which interrupt indices are being used for what */ 15448a13362dSEric Joyner sc->lan_vectors = vectors - rdma; 1545*9e54973fSEric Joyner sc->lan_vectors -= extra_vectors; 1546*9e54973fSEric Joyner err = ice_resmgr_assign_contiguous(&sc->dev_imgr, sc->pf_imap, sc->lan_vectors); 154771d10453SEric Joyner if (err) { 154871d10453SEric Joyner device_printf(dev, "Unable to assign PF interrupt mapping: %s\n", 154971d10453SEric Joyner ice_err_str(err)); 155071d10453SEric Joyner goto err_pci_release_msi; 155171d10453SEric Joyner } 1552*9e54973fSEric Joyner err = ice_resmgr_assign_contiguous(&sc->dev_imgr, sc->rdma_imap, rdma); 15538a13362dSEric Joyner if (err) { 15548a13362dSEric Joyner device_printf(dev, "Unable to assign PF RDMA interrupt mapping: %s\n", 15558a13362dSEric Joyner ice_err_str(err)); 1556*9e54973fSEric Joyner goto err_release_pf_imap; 15578a13362dSEric Joyner } 1558*9e54973fSEric Joyner sc->extra_vectors = extra_vectors; 1559*9e54973fSEric Joyner /* Setup another resource manager to track the assignments of extra OS 1560*9e54973fSEric Joyner * vectors. These OS interrupt allocations don't need to be contiguous, 1561*9e54973fSEric Joyner * unlike the ones that come from the device. 1562*9e54973fSEric Joyner */ 1563*9e54973fSEric Joyner err = ice_resmgr_init(&sc->os_imgr, sc->extra_vectors); 1564*9e54973fSEric Joyner if (err) { 1565*9e54973fSEric Joyner device_printf(dev, "Unable to initialize OS extra interrupt manager: %s\n", 1566*9e54973fSEric Joyner ice_err_str(err)); 1567*9e54973fSEric Joyner ice_resmgr_release_map(&sc->dev_imgr, sc->rdma_imap, 1568*9e54973fSEric Joyner rdma); 1569*9e54973fSEric Joyner goto err_release_pf_imap; 1570*9e54973fSEric Joyner } 157171d10453SEric Joyner return (0); 157271d10453SEric Joyner 1573*9e54973fSEric Joyner err_release_pf_imap: 1574*9e54973fSEric Joyner ice_resmgr_release_map(&sc->dev_imgr, sc->pf_imap, 1575*9e54973fSEric Joyner sc->lan_vectors); 157671d10453SEric Joyner err_pci_release_msi: 157771d10453SEric Joyner pci_release_msi(dev); 157871d10453SEric Joyner err_free_msix_table: 157971d10453SEric Joyner if (sc->msix_table != NULL) { 158071d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 158171d10453SEric Joyner rman_get_rid(sc->msix_table), 158271d10453SEric Joyner sc->msix_table); 158371d10453SEric Joyner sc->msix_table = NULL; 158471d10453SEric Joyner } 158571d10453SEric Joyner 158671d10453SEric Joyner return (err); 158771d10453SEric Joyner } 158871d10453SEric Joyner 158971d10453SEric Joyner /** 159071d10453SEric Joyner * ice_if_msix_intr_assign - Assign MSI-X interrupt vectors to queues 159171d10453SEric Joyner * @ctx: the iflib context structure 159271d10453SEric Joyner * @msix: the number of vectors we were assigned 159371d10453SEric Joyner * 159471d10453SEric Joyner * Called by iflib to assign MSI-X vectors to queues. Currently requires that 159571d10453SEric Joyner * we get at least the same number of vectors as we have queues, and that we 159671d10453SEric Joyner * always have the same number of Tx and Rx queues. 159771d10453SEric Joyner * 159871d10453SEric Joyner * Tx queues use a softirq instead of using their own hardware interrupt. 159971d10453SEric Joyner */ 160071d10453SEric Joyner static int 160171d10453SEric Joyner ice_if_msix_intr_assign(if_ctx_t ctx, int msix) 160271d10453SEric Joyner { 160371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 160471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 160571d10453SEric Joyner int err, i, vector; 160671d10453SEric Joyner 160771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 160871d10453SEric Joyner 160971d10453SEric Joyner if (vsi->num_rx_queues != vsi->num_tx_queues) { 161071d10453SEric Joyner device_printf(sc->dev, 161171d10453SEric Joyner "iflib requested %d Tx queues, and %d Rx queues, but the driver isn't able to support a differing number of Tx and Rx queues\n", 161271d10453SEric Joyner vsi->num_tx_queues, vsi->num_rx_queues); 161371d10453SEric Joyner return (EOPNOTSUPP); 161471d10453SEric Joyner } 161571d10453SEric Joyner 161671d10453SEric Joyner if (msix < (vsi->num_rx_queues + 1)) { 161771d10453SEric Joyner device_printf(sc->dev, 161871d10453SEric Joyner "Not enough MSI-X vectors to assign one vector to each queue pair\n"); 161971d10453SEric Joyner return (EOPNOTSUPP); 162071d10453SEric Joyner } 162171d10453SEric Joyner 162271d10453SEric Joyner /* Save the number of vectors for future use */ 162371d10453SEric Joyner sc->num_irq_vectors = vsi->num_rx_queues + 1; 162471d10453SEric Joyner 162571d10453SEric Joyner /* Allocate space to store the IRQ vector data */ 162671d10453SEric Joyner if (!(sc->irqvs = 162771d10453SEric Joyner (struct ice_irq_vector *) malloc(sizeof(struct ice_irq_vector) * (sc->num_irq_vectors), 162871d10453SEric Joyner M_ICE, M_NOWAIT))) { 162971d10453SEric Joyner device_printf(sc->dev, 163071d10453SEric Joyner "Unable to allocate irqv memory\n"); 163171d10453SEric Joyner return (ENOMEM); 163271d10453SEric Joyner } 163371d10453SEric Joyner 163471d10453SEric Joyner /* Administrative interrupt events will use vector 0 */ 163571d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[0].irq, 1, IFLIB_INTR_ADMIN, 163671d10453SEric Joyner ice_msix_admin, sc, 0, "admin"); 163771d10453SEric Joyner if (err) { 163871d10453SEric Joyner device_printf(sc->dev, 163971d10453SEric Joyner "Failed to register Admin queue handler: %s\n", 164071d10453SEric Joyner ice_err_str(err)); 164171d10453SEric Joyner goto free_irqvs; 164271d10453SEric Joyner } 164371d10453SEric Joyner sc->irqvs[0].me = 0; 164471d10453SEric Joyner 164571d10453SEric Joyner /* Do not allocate queue interrupts when in recovery mode */ 164671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 164771d10453SEric Joyner return (0); 164871d10453SEric Joyner 1649*9e54973fSEric Joyner int rid; 165071d10453SEric Joyner for (i = 0, vector = 1; i < vsi->num_rx_queues; i++, vector++) { 165171d10453SEric Joyner struct ice_rx_queue *rxq = &vsi->rx_queues[i]; 165271d10453SEric Joyner struct ice_tx_queue *txq = &vsi->tx_queues[i]; 165371d10453SEric Joyner char irq_name[16]; 165471d10453SEric Joyner 1655*9e54973fSEric Joyner rid = vector + 1; 1656*9e54973fSEric Joyner 165771d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "rxq%d", i); 165871d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[vector].irq, rid, 165981be6552SMatt Macy IFLIB_INTR_RXTX, ice_msix_que, 166071d10453SEric Joyner rxq, rxq->me, irq_name); 166171d10453SEric Joyner if (err) { 166271d10453SEric Joyner device_printf(sc->dev, 166371d10453SEric Joyner "Failed to allocate q int %d err: %s\n", 166471d10453SEric Joyner i, ice_err_str(err)); 166571d10453SEric Joyner vector--; 166671d10453SEric Joyner i--; 166771d10453SEric Joyner goto fail; 166871d10453SEric Joyner } 166971d10453SEric Joyner sc->irqvs[vector].me = vector; 167071d10453SEric Joyner rxq->irqv = &sc->irqvs[vector]; 167171d10453SEric Joyner 167271d10453SEric Joyner bzero(irq_name, sizeof(irq_name)); 167371d10453SEric Joyner 167471d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "txq%d", i); 167571d10453SEric Joyner iflib_softirq_alloc_generic(ctx, &sc->irqvs[vector].irq, 167671d10453SEric Joyner IFLIB_INTR_TX, txq, 167771d10453SEric Joyner txq->me, irq_name); 167871d10453SEric Joyner txq->irqv = &sc->irqvs[vector]; 167971d10453SEric Joyner } 168071d10453SEric Joyner 1681*9e54973fSEric Joyner /* For future interrupt assignments */ 1682*9e54973fSEric Joyner sc->last_rid = rid + sc->irdma_vectors; 1683*9e54973fSEric Joyner 168471d10453SEric Joyner return (0); 168571d10453SEric Joyner fail: 168671d10453SEric Joyner for (; i >= 0; i--, vector--) 168771d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[vector].irq); 168871d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[0].irq); 168971d10453SEric Joyner free_irqvs: 169071d10453SEric Joyner free(sc->irqvs, M_ICE); 169171d10453SEric Joyner sc->irqvs = NULL; 169271d10453SEric Joyner return err; 169371d10453SEric Joyner } 169471d10453SEric Joyner 169571d10453SEric Joyner /** 169671d10453SEric Joyner * ice_if_mtu_set - Set the device MTU 169771d10453SEric Joyner * @ctx: iflib context structure 169871d10453SEric Joyner * @mtu: the MTU requested 169971d10453SEric Joyner * 170071d10453SEric Joyner * Called by iflib to configure the device's Maximum Transmission Unit (MTU). 170171d10453SEric Joyner * 170271d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 170371d10453SEric Joyner */ 170471d10453SEric Joyner static int 170571d10453SEric Joyner ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 170671d10453SEric Joyner { 170771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 170871d10453SEric Joyner 170971d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 171071d10453SEric Joyner 171171d10453SEric Joyner /* Do not support configuration when in recovery mode */ 171271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 171371d10453SEric Joyner return (ENOSYS); 171471d10453SEric Joyner 171571d10453SEric Joyner if (mtu < ICE_MIN_MTU || mtu > ICE_MAX_MTU) 171671d10453SEric Joyner return (EINVAL); 171771d10453SEric Joyner 171871d10453SEric Joyner sc->scctx->isc_max_frame_size = mtu + 171971d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 172071d10453SEric Joyner 172171d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 172271d10453SEric Joyner 172371d10453SEric Joyner return (0); 172471d10453SEric Joyner } 172571d10453SEric Joyner 172671d10453SEric Joyner /** 172771d10453SEric Joyner * ice_if_intr_enable - Enable device interrupts 172871d10453SEric Joyner * @ctx: iflib context structure 172971d10453SEric Joyner * 173071d10453SEric Joyner * Called by iflib to request enabling device interrupts. 173171d10453SEric Joyner */ 173271d10453SEric Joyner static void 173371d10453SEric Joyner ice_if_intr_enable(if_ctx_t ctx) 173471d10453SEric Joyner { 173571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 173671d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 173771d10453SEric Joyner struct ice_hw *hw = &sc->hw; 173871d10453SEric Joyner 173971d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 174071d10453SEric Joyner 174171d10453SEric Joyner /* Enable ITR 0 */ 174271d10453SEric Joyner ice_enable_intr(hw, sc->irqvs[0].me); 174371d10453SEric Joyner 174471d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 174571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 174671d10453SEric Joyner return; 174771d10453SEric Joyner 174871d10453SEric Joyner /* Enable all queue interrupts */ 174971d10453SEric Joyner for (int i = 0; i < vsi->num_rx_queues; i++) 175071d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[i].irqv->me); 175171d10453SEric Joyner } 175271d10453SEric Joyner 175371d10453SEric Joyner /** 175471d10453SEric Joyner * ice_if_intr_disable - Disable device interrupts 175571d10453SEric Joyner * @ctx: iflib context structure 175671d10453SEric Joyner * 175771d10453SEric Joyner * Called by iflib to request disabling device interrupts. 175871d10453SEric Joyner */ 175971d10453SEric Joyner static void 176071d10453SEric Joyner ice_if_intr_disable(if_ctx_t ctx) 176171d10453SEric Joyner { 176271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 176371d10453SEric Joyner struct ice_hw *hw = &sc->hw; 176471d10453SEric Joyner unsigned int i; 176571d10453SEric Joyner 176671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 176771d10453SEric Joyner 176871d10453SEric Joyner /* IFDI_INTR_DISABLE may be called prior to interrupts actually being 176971d10453SEric Joyner * assigned to queues. Instead of assuming that the interrupt 177071d10453SEric Joyner * assignment in the rx_queues structure is valid, just disable all 177171d10453SEric Joyner * possible interrupts 177271d10453SEric Joyner * 177371d10453SEric Joyner * Note that we choose not to disable ITR 0 because this handles the 177471d10453SEric Joyner * AdminQ interrupts, and we want to keep processing these even when 177571d10453SEric Joyner * the interface is offline. 177671d10453SEric Joyner */ 177771d10453SEric Joyner for (i = 1; i < hw->func_caps.common_cap.num_msix_vectors; i++) 177871d10453SEric Joyner ice_disable_intr(hw, i); 177971d10453SEric Joyner } 178071d10453SEric Joyner 178171d10453SEric Joyner /** 178271d10453SEric Joyner * ice_if_rx_queue_intr_enable - Enable a specific Rx queue interrupt 178371d10453SEric Joyner * @ctx: iflib context structure 178471d10453SEric Joyner * @rxqid: the Rx queue to enable 178571d10453SEric Joyner * 178671d10453SEric Joyner * Enable a specific Rx queue interrupt. 178771d10453SEric Joyner * 178871d10453SEric Joyner * This function is not protected by the iflib CTX lock. 178971d10453SEric Joyner */ 179071d10453SEric Joyner static int 179171d10453SEric Joyner ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 179271d10453SEric Joyner { 179371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 179471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 179571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 179671d10453SEric Joyner 179771d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 179871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 179971d10453SEric Joyner return (ENOSYS); 180071d10453SEric Joyner 180171d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[rxqid].irqv->me); 180271d10453SEric Joyner return (0); 180371d10453SEric Joyner } 180471d10453SEric Joyner 180571d10453SEric Joyner /** 180671d10453SEric Joyner * ice_if_tx_queue_intr_enable - Enable a specific Tx queue interrupt 180771d10453SEric Joyner * @ctx: iflib context structure 180871d10453SEric Joyner * @txqid: the Tx queue to enable 180971d10453SEric Joyner * 181071d10453SEric Joyner * Enable a specific Tx queue interrupt. 181171d10453SEric Joyner * 181271d10453SEric Joyner * This function is not protected by the iflib CTX lock. 181371d10453SEric Joyner */ 181471d10453SEric Joyner static int 181571d10453SEric Joyner ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 181671d10453SEric Joyner { 181771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 181871d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 181971d10453SEric Joyner struct ice_hw *hw = &sc->hw; 182071d10453SEric Joyner 182171d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 182271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 182371d10453SEric Joyner return (ENOSYS); 182471d10453SEric Joyner 182571d10453SEric Joyner ice_enable_intr(hw, vsi->tx_queues[txqid].irqv->me); 182671d10453SEric Joyner return (0); 182771d10453SEric Joyner } 182871d10453SEric Joyner 182971d10453SEric Joyner /** 18309c30461dSEric Joyner * ice_set_default_promisc_mask - Set default config for promisc settings 18319c30461dSEric Joyner * @promisc_mask: bitmask to setup 18329c30461dSEric Joyner * 18339c30461dSEric Joyner * The ice_(set|clear)_vsi_promisc() function expects a mask of promiscuous 18349c30461dSEric Joyner * modes to operate on. The mask used in here is the default one for the 18359c30461dSEric Joyner * driver, where promiscuous is enabled/disabled for all types of 18369c30461dSEric Joyner * non-VLAN-tagged/VLAN 0 traffic. 18379c30461dSEric Joyner */ 18389c30461dSEric Joyner static void 18399c30461dSEric Joyner ice_set_default_promisc_mask(ice_bitmap_t *promisc_mask) 18409c30461dSEric Joyner { 18419c30461dSEric Joyner ice_zero_bitmap(promisc_mask, ICE_PROMISC_MAX); 18429c30461dSEric Joyner ice_set_bit(ICE_PROMISC_UCAST_TX, promisc_mask); 18439c30461dSEric Joyner ice_set_bit(ICE_PROMISC_UCAST_RX, promisc_mask); 18449c30461dSEric Joyner ice_set_bit(ICE_PROMISC_MCAST_TX, promisc_mask); 18459c30461dSEric Joyner ice_set_bit(ICE_PROMISC_MCAST_RX, promisc_mask); 18469c30461dSEric Joyner } 18479c30461dSEric Joyner 18489c30461dSEric Joyner /** 184971d10453SEric Joyner * ice_if_promisc_set - Set device promiscuous mode 185071d10453SEric Joyner * @ctx: iflib context structure 185171d10453SEric Joyner * @flags: promiscuous flags to configure 185271d10453SEric Joyner * 185371d10453SEric Joyner * Called by iflib to configure device promiscuous mode. 185471d10453SEric Joyner * 185571d10453SEric Joyner * @remark Calls to this function will always overwrite the previous setting 185671d10453SEric Joyner */ 185771d10453SEric Joyner static int 185871d10453SEric Joyner ice_if_promisc_set(if_ctx_t ctx, int flags) 185971d10453SEric Joyner { 186071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 186171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 186271d10453SEric Joyner device_t dev = sc->dev; 186371d10453SEric Joyner enum ice_status status; 186471d10453SEric Joyner bool promisc_enable = flags & IFF_PROMISC; 186571d10453SEric Joyner bool multi_enable = flags & IFF_ALLMULTI; 18669c30461dSEric Joyner ice_declare_bitmap(promisc_mask, ICE_PROMISC_MAX); 186771d10453SEric Joyner 186871d10453SEric Joyner /* Do not support configuration when in recovery mode */ 186971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 187071d10453SEric Joyner return (ENOSYS); 187171d10453SEric Joyner 18729c30461dSEric Joyner ice_set_default_promisc_mask(promisc_mask); 18739c30461dSEric Joyner 187471d10453SEric Joyner if (multi_enable) 187571d10453SEric Joyner return (EOPNOTSUPP); 187671d10453SEric Joyner 187771d10453SEric Joyner if (promisc_enable) { 187871d10453SEric Joyner status = ice_set_vsi_promisc(hw, sc->pf_vsi.idx, 18799c30461dSEric Joyner promisc_mask, 0); 188071d10453SEric Joyner if (status && status != ICE_ERR_ALREADY_EXISTS) { 188171d10453SEric Joyner device_printf(dev, 188271d10453SEric Joyner "Failed to enable promiscuous mode for PF VSI, err %s aq_err %s\n", 188371d10453SEric Joyner ice_status_str(status), 188471d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 188571d10453SEric Joyner return (EIO); 188671d10453SEric Joyner } 188771d10453SEric Joyner } else { 188871d10453SEric Joyner status = ice_clear_vsi_promisc(hw, sc->pf_vsi.idx, 18899c30461dSEric Joyner promisc_mask, 0); 189071d10453SEric Joyner if (status) { 189171d10453SEric Joyner device_printf(dev, 189271d10453SEric Joyner "Failed to disable promiscuous mode for PF VSI, err %s aq_err %s\n", 189371d10453SEric Joyner ice_status_str(status), 189471d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 189571d10453SEric Joyner return (EIO); 189671d10453SEric Joyner } 189771d10453SEric Joyner } 189871d10453SEric Joyner 189971d10453SEric Joyner return (0); 190071d10453SEric Joyner } 190171d10453SEric Joyner 190271d10453SEric Joyner /** 190371d10453SEric Joyner * ice_if_media_change - Change device media 190471d10453SEric Joyner * @ctx: device ctx structure 190571d10453SEric Joyner * 190671d10453SEric Joyner * Called by iflib when a media change is requested. This operation is not 190771d10453SEric Joyner * supported by the hardware, so we just return an error code. 190871d10453SEric Joyner */ 190971d10453SEric Joyner static int 191071d10453SEric Joyner ice_if_media_change(if_ctx_t ctx) 191171d10453SEric Joyner { 191271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 191371d10453SEric Joyner 191471d10453SEric Joyner device_printf(sc->dev, "Media change is not supported.\n"); 191571d10453SEric Joyner return (ENODEV); 191671d10453SEric Joyner } 191771d10453SEric Joyner 191871d10453SEric Joyner /** 191971d10453SEric Joyner * ice_if_media_status - Report current device media 192071d10453SEric Joyner * @ctx: iflib context structure 192171d10453SEric Joyner * @ifmr: ifmedia request structure to update 192271d10453SEric Joyner * 192371d10453SEric Joyner * Updates the provided ifmr with current device media status, including link 192471d10453SEric Joyner * status and media type. 192571d10453SEric Joyner */ 192671d10453SEric Joyner static void 192771d10453SEric Joyner ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr) 192871d10453SEric Joyner { 192971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 193071d10453SEric Joyner struct ice_link_status *li = &sc->hw.port_info->phy.link_info; 193171d10453SEric Joyner 193271d10453SEric Joyner ifmr->ifm_status = IFM_AVALID; 193371d10453SEric Joyner ifmr->ifm_active = IFM_ETHER; 193471d10453SEric Joyner 193571d10453SEric Joyner /* Never report link up or media types when in recovery mode */ 193671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 193771d10453SEric Joyner return; 193871d10453SEric Joyner 193971d10453SEric Joyner if (!sc->link_up) 194071d10453SEric Joyner return; 194171d10453SEric Joyner 194271d10453SEric Joyner ifmr->ifm_status |= IFM_ACTIVE; 194371d10453SEric Joyner ifmr->ifm_active |= IFM_FDX; 194471d10453SEric Joyner 194571d10453SEric Joyner if (li->phy_type_low) 194671d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_low(li->phy_type_low); 194771d10453SEric Joyner else if (li->phy_type_high) 194871d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_high(li->phy_type_high); 194971d10453SEric Joyner else 195071d10453SEric Joyner ifmr->ifm_active |= IFM_UNKNOWN; 195171d10453SEric Joyner 195271d10453SEric Joyner /* Report flow control status as well */ 195371d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_TX) 195471d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_TXPAUSE; 195571d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_RX) 195671d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_RXPAUSE; 195771d10453SEric Joyner } 195871d10453SEric Joyner 195971d10453SEric Joyner /** 196071d10453SEric Joyner * ice_init_tx_tracking - Initialize Tx queue software tracking values 196171d10453SEric Joyner * @vsi: the VSI to initialize 196271d10453SEric Joyner * 196371d10453SEric Joyner * Initialize Tx queue software tracking values, including the Report Status 196471d10453SEric Joyner * queue, and related software tracking values. 196571d10453SEric Joyner */ 196671d10453SEric Joyner static void 196771d10453SEric Joyner ice_init_tx_tracking(struct ice_vsi *vsi) 196871d10453SEric Joyner { 196971d10453SEric Joyner struct ice_tx_queue *txq; 197071d10453SEric Joyner size_t j; 197171d10453SEric Joyner int i; 197271d10453SEric Joyner 197371d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 197471d10453SEric Joyner 197571d10453SEric Joyner txq->tx_rs_cidx = txq->tx_rs_pidx = 0; 197671d10453SEric Joyner 197771d10453SEric Joyner /* Initialize the last processed descriptor to be the end of 197871d10453SEric Joyner * the ring, rather than the start, so that we avoid an 197971d10453SEric Joyner * off-by-one error in ice_ift_txd_credits_update for the 198071d10453SEric Joyner * first packet. 198171d10453SEric Joyner */ 198271d10453SEric Joyner txq->tx_cidx_processed = txq->desc_count - 1; 198371d10453SEric Joyner 198471d10453SEric Joyner for (j = 0; j < txq->desc_count; j++) 198571d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 198671d10453SEric Joyner } 198771d10453SEric Joyner } 198871d10453SEric Joyner 198971d10453SEric Joyner /** 199071d10453SEric Joyner * ice_update_rx_mbuf_sz - Update the Rx buffer size for all queues 199171d10453SEric Joyner * @sc: the device softc 199271d10453SEric Joyner * 199371d10453SEric Joyner * Called to update the Rx queue mbuf_sz parameter for configuring the receive 199471d10453SEric Joyner * buffer sizes when programming hardware. 199571d10453SEric Joyner */ 199671d10453SEric Joyner static void 199771d10453SEric Joyner ice_update_rx_mbuf_sz(struct ice_softc *sc) 199871d10453SEric Joyner { 199971d10453SEric Joyner uint32_t mbuf_sz = iflib_get_rx_mbuf_sz(sc->ctx); 200071d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 200171d10453SEric Joyner 200271d10453SEric Joyner MPASS(mbuf_sz <= UINT16_MAX); 200371d10453SEric Joyner vsi->mbuf_sz = mbuf_sz; 200471d10453SEric Joyner } 200571d10453SEric Joyner 200671d10453SEric Joyner /** 200771d10453SEric Joyner * ice_if_init - Initialize the device 200871d10453SEric Joyner * @ctx: iflib ctx structure 200971d10453SEric Joyner * 201071d10453SEric Joyner * Called by iflib to bring the device up, i.e. ifconfig ice0 up. Initializes 201171d10453SEric Joyner * device filters and prepares the Tx and Rx engines. 201271d10453SEric Joyner * 201371d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 201471d10453SEric Joyner */ 201571d10453SEric Joyner static void 201671d10453SEric Joyner ice_if_init(if_ctx_t ctx) 201771d10453SEric Joyner { 2018*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 201971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 202071d10453SEric Joyner device_t dev = sc->dev; 202171d10453SEric Joyner int err; 202271d10453SEric Joyner 202371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 202471d10453SEric Joyner 20257d7af7f8SEric Joyner /* 20267d7af7f8SEric Joyner * We've seen an issue with 11.3/12.1 where sideband routines are 20277d7af7f8SEric Joyner * called after detach is called. This would call routines after 20287d7af7f8SEric Joyner * if_stop, causing issues with the teardown process. This has 20297d7af7f8SEric Joyner * seemingly been fixed in STABLE snapshots, but it seems like a 20307d7af7f8SEric Joyner * good idea to have this guard here regardless. 20317d7af7f8SEric Joyner */ 20327d7af7f8SEric Joyner if (ice_driver_is_detaching(sc)) 20337d7af7f8SEric Joyner return; 20347d7af7f8SEric Joyner 203571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 203671d10453SEric Joyner return; 203771d10453SEric Joyner 203871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 203971d10453SEric Joyner device_printf(sc->dev, "request to start interface cannot be completed as the device failed to reset\n"); 204071d10453SEric Joyner return; 204171d10453SEric Joyner } 204271d10453SEric Joyner 204371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 204471d10453SEric Joyner device_printf(sc->dev, "request to start interface while device is prepared for impending reset\n"); 204571d10453SEric Joyner return; 204671d10453SEric Joyner } 204771d10453SEric Joyner 204871d10453SEric Joyner ice_update_rx_mbuf_sz(sc); 204971d10453SEric Joyner 205071d10453SEric Joyner /* Update the MAC address... User might use a LAA */ 205171d10453SEric Joyner err = ice_update_laa_mac(sc); 205271d10453SEric Joyner if (err) { 205371d10453SEric Joyner device_printf(dev, 205471d10453SEric Joyner "LAA address change failed, err %s\n", 205571d10453SEric Joyner ice_err_str(err)); 205671d10453SEric Joyner return; 205771d10453SEric Joyner } 205871d10453SEric Joyner 205971d10453SEric Joyner /* Initialize software Tx tracking values */ 206071d10453SEric Joyner ice_init_tx_tracking(&sc->pf_vsi); 206171d10453SEric Joyner 206271d10453SEric Joyner err = ice_cfg_vsi_for_tx(&sc->pf_vsi); 206371d10453SEric Joyner if (err) { 206471d10453SEric Joyner device_printf(dev, 206571d10453SEric Joyner "Unable to configure the main VSI for Tx: %s\n", 206671d10453SEric Joyner ice_err_str(err)); 206771d10453SEric Joyner return; 206871d10453SEric Joyner } 206971d10453SEric Joyner 207071d10453SEric Joyner err = ice_cfg_vsi_for_rx(&sc->pf_vsi); 207171d10453SEric Joyner if (err) { 207271d10453SEric Joyner device_printf(dev, 207371d10453SEric Joyner "Unable to configure the main VSI for Rx: %s\n", 207471d10453SEric Joyner ice_err_str(err)); 207571d10453SEric Joyner goto err_cleanup_tx; 207671d10453SEric Joyner } 207771d10453SEric Joyner 20789dc2f6e2SEric Joyner err = ice_control_all_rx_queues(&sc->pf_vsi, true); 207971d10453SEric Joyner if (err) { 208071d10453SEric Joyner device_printf(dev, 208171d10453SEric Joyner "Unable to enable Rx rings for transmit: %s\n", 208271d10453SEric Joyner ice_err_str(err)); 208371d10453SEric Joyner goto err_cleanup_tx; 208471d10453SEric Joyner } 208571d10453SEric Joyner 208671d10453SEric Joyner err = ice_cfg_pf_default_mac_filters(sc); 208771d10453SEric Joyner if (err) { 208871d10453SEric Joyner device_printf(dev, 208971d10453SEric Joyner "Unable to configure default MAC filters: %s\n", 209071d10453SEric Joyner ice_err_str(err)); 209171d10453SEric Joyner goto err_stop_rx; 209271d10453SEric Joyner } 209371d10453SEric Joyner 209471d10453SEric Joyner /* We use software interrupts for Tx, so we only program the hardware 209571d10453SEric Joyner * interrupts for Rx. 209671d10453SEric Joyner */ 20979dc2f6e2SEric Joyner ice_configure_all_rxq_interrupts(&sc->pf_vsi); 209871d10453SEric Joyner ice_configure_rx_itr(&sc->pf_vsi); 209971d10453SEric Joyner 210071d10453SEric Joyner /* Configure promiscuous mode */ 210171d10453SEric Joyner ice_if_promisc_set(ctx, if_getflags(sc->ifp)); 210271d10453SEric Joyner 21039c30461dSEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_FIRST_INIT_LINK)) 21049c30461dSEric Joyner if (!sc->link_up && ((if_getflags(sc->ifp) & IFF_UP) || 21059c30461dSEric Joyner ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN))) 21069c30461dSEric Joyner ice_set_link(sc, true); 21079c30461dSEric Joyner 21088a13362dSEric Joyner ice_rdma_pf_init(sc); 21098a13362dSEric Joyner 211071d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED); 2111*9e54973fSEric Joyner 2112*9e54973fSEric Joyner if (sc->mirr_if && ice_testandclear_state(&mif->state, ICE_STATE_SUBIF_NEEDS_REINIT)) { 2113*9e54973fSEric Joyner ice_clear_state(&mif->state, ICE_STATE_DRIVER_INITIALIZED); 2114*9e54973fSEric Joyner iflib_request_reset(sc->mirr_if->subctx); 2115*9e54973fSEric Joyner iflib_admin_intr_deferred(sc->mirr_if->subctx); 2116*9e54973fSEric Joyner } 2117*9e54973fSEric Joyner 211871d10453SEric Joyner return; 211971d10453SEric Joyner 212071d10453SEric Joyner err_stop_rx: 21219dc2f6e2SEric Joyner ice_control_all_rx_queues(&sc->pf_vsi, false); 212271d10453SEric Joyner err_cleanup_tx: 212371d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 212471d10453SEric Joyner } 212571d10453SEric Joyner 212671d10453SEric Joyner /** 212771d10453SEric Joyner * ice_poll_for_media_avail - Re-enable link if media is detected 212871d10453SEric Joyner * @sc: device private structure 212971d10453SEric Joyner * 213071d10453SEric Joyner * Intended to be called from the driver's timer function, this function 213171d10453SEric Joyner * sends the Get Link Status AQ command and re-enables HW link if the 213271d10453SEric Joyner * command says that media is available. 213371d10453SEric Joyner * 213471d10453SEric Joyner * If the driver doesn't have the "NO_MEDIA" state set, then this does nothing, 213571d10453SEric Joyner * since media removal events are supposed to be sent to the driver through 213671d10453SEric Joyner * a link status event. 213771d10453SEric Joyner */ 213871d10453SEric Joyner static void 213971d10453SEric Joyner ice_poll_for_media_avail(struct ice_softc *sc) 214071d10453SEric Joyner { 214171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 214271d10453SEric Joyner struct ice_port_info *pi = hw->port_info; 214371d10453SEric Joyner 214471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) { 214571d10453SEric Joyner pi->phy.get_link_info = true; 214671d10453SEric Joyner ice_get_link_status(pi, &sc->link_up); 214771d10453SEric Joyner 214871d10453SEric Joyner if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 214971d10453SEric Joyner enum ice_status status; 215071d10453SEric Joyner 215171d10453SEric Joyner /* Re-enable link and re-apply user link settings */ 21529c30461dSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) || 21539c30461dSEric Joyner (if_getflags(sc->ifp) & IFF_UP)) { 21549cf1841cSEric Joyner ice_apply_saved_phy_cfg(sc, ICE_APPLY_LS_FEC_FC); 215571d10453SEric Joyner 215671d10453SEric Joyner /* Update the OS about changes in media capability */ 215771d10453SEric Joyner status = ice_add_media_types(sc, sc->media); 215871d10453SEric Joyner if (status) 21599c30461dSEric Joyner device_printf(sc->dev, 21609c30461dSEric Joyner "Error adding device media types: %s aq_err %s\n", 216171d10453SEric Joyner ice_status_str(status), 216271d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 21639c30461dSEric Joyner } 216471d10453SEric Joyner 216571d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_NO_MEDIA); 216671d10453SEric Joyner } 216771d10453SEric Joyner } 216871d10453SEric Joyner } 216971d10453SEric Joyner 217071d10453SEric Joyner /** 217171d10453SEric Joyner * ice_if_timer - called by iflib periodically 217271d10453SEric Joyner * @ctx: iflib ctx structure 217371d10453SEric Joyner * @qid: the queue this timer was called for 217471d10453SEric Joyner * 217571d10453SEric Joyner * This callback is triggered by iflib periodically. We use it to update the 217671d10453SEric Joyner * hw statistics. 217771d10453SEric Joyner * 217871d10453SEric Joyner * @remark this function is not protected by the iflib CTX lock. 217971d10453SEric Joyner */ 218071d10453SEric Joyner static void 218171d10453SEric Joyner ice_if_timer(if_ctx_t ctx, uint16_t qid) 218271d10453SEric Joyner { 218371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 218471d10453SEric Joyner uint64_t prev_link_xoff_rx = sc->stats.cur.link_xoff_rx; 218571d10453SEric Joyner 218671d10453SEric Joyner if (qid != 0) 218771d10453SEric Joyner return; 218871d10453SEric Joyner 218971d10453SEric Joyner /* Do not attempt to update stats when in recovery mode */ 219071d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 219171d10453SEric Joyner return; 219271d10453SEric Joyner 219371d10453SEric Joyner /* Update device statistics */ 219471d10453SEric Joyner ice_update_pf_stats(sc); 219571d10453SEric Joyner 219671d10453SEric Joyner /* 219771d10453SEric Joyner * For proper watchdog management, the iflib stack needs to know if 219871d10453SEric Joyner * we've been paused during the last interval. Check if the 219971d10453SEric Joyner * link_xoff_rx stat changed, and set the isc_pause_frames, if so. 220071d10453SEric Joyner */ 220171d10453SEric Joyner if (sc->stats.cur.link_xoff_rx != prev_link_xoff_rx) 220271d10453SEric Joyner sc->scctx->isc_pause_frames = 1; 220371d10453SEric Joyner 220471d10453SEric Joyner /* Update the primary VSI stats */ 220571d10453SEric Joyner ice_update_vsi_hw_stats(&sc->pf_vsi); 2206*9e54973fSEric Joyner 2207*9e54973fSEric Joyner /* Update mirror VSI stats */ 2208*9e54973fSEric Joyner if (sc->mirr_if && sc->mirr_if->if_attached) 2209*9e54973fSEric Joyner ice_update_vsi_hw_stats(sc->mirr_if->vsi); 221071d10453SEric Joyner } 221171d10453SEric Joyner 221271d10453SEric Joyner /** 221371d10453SEric Joyner * ice_admin_timer - called periodically to trigger the admin task 221471d10453SEric Joyner * @arg: callout(9) argument pointing to the device private softc structure 221571d10453SEric Joyner * 221671d10453SEric Joyner * Timer function used as part of a callout(9) timer that will periodically 221771d10453SEric Joyner * trigger the admin task, even when the interface is down. 221871d10453SEric Joyner * 221971d10453SEric Joyner * @remark this function is not called by iflib and is not protected by the 222071d10453SEric Joyner * iflib CTX lock. 222171d10453SEric Joyner * 222271d10453SEric Joyner * @remark because this is a callout function, it cannot sleep and should not 222371d10453SEric Joyner * attempt taking the iflib CTX lock. 222471d10453SEric Joyner */ 222571d10453SEric Joyner static void 222671d10453SEric Joyner ice_admin_timer(void *arg) 222771d10453SEric Joyner { 222871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 222971d10453SEric Joyner 22309cf1841cSEric Joyner /* 22319cf1841cSEric Joyner * There is a point where callout routines are no longer 22329cf1841cSEric Joyner * cancelable. So there exists a window of time where the 22339cf1841cSEric Joyner * driver enters detach() and tries to cancel the callout, but the 22349cf1841cSEric Joyner * callout routine has passed the cancellation point. The detach() 22359cf1841cSEric Joyner * routine is unaware of this and tries to free resources that the 22369cf1841cSEric Joyner * callout routine needs. So we check for the detach state flag to 22379cf1841cSEric Joyner * at least shrink the window of opportunity. 22389cf1841cSEric Joyner */ 22399cf1841cSEric Joyner if (ice_driver_is_detaching(sc)) 22409cf1841cSEric Joyner return; 22419cf1841cSEric Joyner 224271d10453SEric Joyner /* Fire off the admin task */ 224371d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 224471d10453SEric Joyner 224571d10453SEric Joyner /* Reschedule the admin timer */ 224671d10453SEric Joyner callout_schedule(&sc->admin_timer, hz/2); 224771d10453SEric Joyner } 224871d10453SEric Joyner 224971d10453SEric Joyner /** 225071d10453SEric Joyner * ice_transition_recovery_mode - Transition to recovery mode 225171d10453SEric Joyner * @sc: the device private softc 225271d10453SEric Joyner * 225371d10453SEric Joyner * Called when the driver detects that the firmware has entered recovery mode 225471d10453SEric Joyner * at run time. 225571d10453SEric Joyner */ 225671d10453SEric Joyner static void 225771d10453SEric Joyner ice_transition_recovery_mode(struct ice_softc *sc) 225871d10453SEric Joyner { 225971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 226071d10453SEric Joyner int i; 226171d10453SEric Joyner 226271d10453SEric Joyner device_printf(sc->dev, "Firmware recovery mode detected. Limiting functionality. Refer to Intel(R) Ethernet Adapters and Devices User Guide for details on firmware recovery mode.\n"); 226371d10453SEric Joyner 226471d10453SEric Joyner /* Tell the stack that the link has gone down */ 226571d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 226671d10453SEric Joyner 226771d10453SEric Joyner /* Request that the device be re-initialized */ 226871d10453SEric Joyner ice_request_stack_reinit(sc); 226971d10453SEric Joyner 22708a13362dSEric Joyner ice_rdma_pf_detach(sc); 22718a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 22728a13362dSEric Joyner 227371d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 227471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 227571d10453SEric Joyner 227671d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 227771d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 227871d10453SEric Joyner 227971d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 228071d10453SEric Joyner if (sc->all_vsi[i]) 228171d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 228271d10453SEric Joyner } 228371d10453SEric Joyner sc->num_available_vsi = 0; 228471d10453SEric Joyner 228571d10453SEric Joyner if (sc->all_vsi) { 228671d10453SEric Joyner free(sc->all_vsi, M_ICE); 228771d10453SEric Joyner sc->all_vsi = NULL; 228871d10453SEric Joyner } 228971d10453SEric Joyner 229071d10453SEric Joyner /* Destroy the interrupt manager */ 2291*9e54973fSEric Joyner ice_resmgr_destroy(&sc->dev_imgr); 229271d10453SEric Joyner /* Destroy the queue managers */ 229371d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 229471d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 229571d10453SEric Joyner 229671d10453SEric Joyner ice_deinit_hw(&sc->hw); 229771d10453SEric Joyner } 229871d10453SEric Joyner 229971d10453SEric Joyner /** 230071d10453SEric Joyner * ice_transition_safe_mode - Transition to safe mode 230171d10453SEric Joyner * @sc: the device private softc 230271d10453SEric Joyner * 230371d10453SEric Joyner * Called when the driver attempts to reload the DDP package during a device 230471d10453SEric Joyner * reset, and the new download fails. If so, we must transition to safe mode 230571d10453SEric Joyner * at run time. 230671d10453SEric Joyner * 230771d10453SEric Joyner * @remark although safe mode normally allocates only a single queue, we can't 230871d10453SEric Joyner * change the number of queues dynamically when using iflib. Due to this, we 230971d10453SEric Joyner * do not attempt to reduce the number of queues. 231071d10453SEric Joyner */ 231171d10453SEric Joyner static void 231271d10453SEric Joyner ice_transition_safe_mode(struct ice_softc *sc) 231371d10453SEric Joyner { 231471d10453SEric Joyner /* Indicate that we are in Safe mode */ 231571d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_cap); 231671d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_en); 231771d10453SEric Joyner 23188a13362dSEric Joyner ice_rdma_pf_detach(sc); 23198a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 23208a13362dSEric Joyner 232171d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 232271d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 232371d10453SEric Joyner 232471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 232571d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_en); 232671d10453SEric Joyner } 232771d10453SEric Joyner 232871d10453SEric Joyner /** 232971d10453SEric Joyner * ice_if_update_admin_status - update admin status 233071d10453SEric Joyner * @ctx: iflib ctx structure 233171d10453SEric Joyner * 233271d10453SEric Joyner * Called by iflib to update the admin status. For our purposes, this means 233371d10453SEric Joyner * check the adminq, and update the link status. It's ultimately triggered by 233471d10453SEric Joyner * our admin interrupt, or by the ice_if_timer periodically. 233571d10453SEric Joyner * 233671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 233771d10453SEric Joyner */ 233871d10453SEric Joyner static void 233971d10453SEric Joyner ice_if_update_admin_status(if_ctx_t ctx) 234071d10453SEric Joyner { 234171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 234271d10453SEric Joyner enum ice_fw_modes fw_mode; 234371d10453SEric Joyner bool reschedule = false; 234471d10453SEric Joyner u16 pending = 0; 234571d10453SEric Joyner 234671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 234771d10453SEric Joyner 234871d10453SEric Joyner /* Check if the firmware entered recovery mode at run time */ 234971d10453SEric Joyner fw_mode = ice_get_fw_mode(&sc->hw); 235071d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 235171d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 235271d10453SEric Joyner /* If we just entered recovery mode, log a warning to 235371d10453SEric Joyner * the system administrator and deinit driver state 235471d10453SEric Joyner * that is no longer functional. 235571d10453SEric Joyner */ 235671d10453SEric Joyner ice_transition_recovery_mode(sc); 235771d10453SEric Joyner } 235871d10453SEric Joyner } else if (fw_mode == ICE_FW_MODE_ROLLBACK) { 235971d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_ROLLBACK_MODE)) { 236071d10453SEric Joyner /* Rollback mode isn't fatal, but we don't want to 236171d10453SEric Joyner * repeatedly post a message about it. 236271d10453SEric Joyner */ 236371d10453SEric Joyner ice_print_rollback_msg(&sc->hw); 236471d10453SEric Joyner } 236571d10453SEric Joyner } 236671d10453SEric Joyner 236771d10453SEric Joyner /* Handle global reset events */ 236871d10453SEric Joyner ice_handle_reset_event(sc); 236971d10453SEric Joyner 237071d10453SEric Joyner /* Handle PF reset requests */ 237171d10453SEric Joyner ice_handle_pf_reset_request(sc); 237271d10453SEric Joyner 237371d10453SEric Joyner /* Handle MDD events */ 237471d10453SEric Joyner ice_handle_mdd_event(sc); 237571d10453SEric Joyner 237671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED) || 237771d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET) || 237871d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 237971d10453SEric Joyner /* 238071d10453SEric Joyner * If we know the control queues are disabled, skip processing 238171d10453SEric Joyner * the control queues entirely. 238271d10453SEric Joyner */ 238371d10453SEric Joyner ; 238471d10453SEric Joyner } else if (ice_testandclear_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING)) { 238571d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_ADMIN, &pending); 238671d10453SEric Joyner if (pending > 0) 238771d10453SEric Joyner reschedule = true; 238871d10453SEric Joyner 238971d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_MAILBOX, &pending); 239071d10453SEric Joyner if (pending > 0) 239171d10453SEric Joyner reschedule = true; 239271d10453SEric Joyner } 239371d10453SEric Joyner 239471d10453SEric Joyner /* Poll for link up */ 239571d10453SEric Joyner ice_poll_for_media_avail(sc); 239671d10453SEric Joyner 239771d10453SEric Joyner /* Check and update link status */ 239871d10453SEric Joyner ice_update_link_status(sc, false); 239971d10453SEric Joyner 240071d10453SEric Joyner /* 240171d10453SEric Joyner * If there are still messages to process, we need to reschedule 240271d10453SEric Joyner * ourselves. Otherwise, we can just re-enable the interrupt. We'll be 240371d10453SEric Joyner * woken up at the next interrupt or timer event. 240471d10453SEric Joyner */ 240571d10453SEric Joyner if (reschedule) { 240671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 240771d10453SEric Joyner iflib_admin_intr_deferred(ctx); 240871d10453SEric Joyner } else { 240971d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 241071d10453SEric Joyner } 241171d10453SEric Joyner } 241271d10453SEric Joyner 241371d10453SEric Joyner /** 241471d10453SEric Joyner * ice_prepare_for_reset - Prepare device for an impending reset 241571d10453SEric Joyner * @sc: The device private softc 241671d10453SEric Joyner * 241771d10453SEric Joyner * Prepare the driver for an impending reset, shutting down VSIs, clearing the 241871d10453SEric Joyner * scheduler setup, and shutting down controlqs. Uses the 241971d10453SEric Joyner * ICE_STATE_PREPARED_FOR_RESET to indicate whether we've already prepared the 242071d10453SEric Joyner * driver for reset or not. 242171d10453SEric Joyner */ 242271d10453SEric Joyner static void 242371d10453SEric Joyner ice_prepare_for_reset(struct ice_softc *sc) 242471d10453SEric Joyner { 242571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 242671d10453SEric Joyner 242771d10453SEric Joyner /* If we're already prepared, there's nothing to do */ 242871d10453SEric Joyner if (ice_testandset_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) 242971d10453SEric Joyner return; 243071d10453SEric Joyner 2431402810d3SJustin Hibbits log(LOG_INFO, "%s: preparing to reset device logic\n", if_name(sc->ifp)); 243271d10453SEric Joyner 243371d10453SEric Joyner /* In recovery mode, hardware is not initialized */ 243471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 243571d10453SEric Joyner return; 243671d10453SEric Joyner 243701fbb869SBartosz Sobczak /* inform the RDMA client */ 243801fbb869SBartosz Sobczak ice_rdma_notify_reset(sc); 24398a13362dSEric Joyner /* stop the RDMA client */ 24408a13362dSEric Joyner ice_rdma_pf_stop(sc); 24418a13362dSEric Joyner 244271d10453SEric Joyner /* Release the main PF VSI queue mappings */ 244371d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 244471d10453SEric Joyner sc->pf_vsi.num_tx_queues); 244571d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 244671d10453SEric Joyner sc->pf_vsi.num_rx_queues); 2447*9e54973fSEric Joyner if (sc->mirr_if) { 2448*9e54973fSEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->mirr_if->vsi->tx_qmap, 2449*9e54973fSEric Joyner sc->mirr_if->num_irq_vectors); 2450*9e54973fSEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->mirr_if->vsi->rx_qmap, 2451*9e54973fSEric Joyner sc->mirr_if->num_irq_vectors); 2452*9e54973fSEric Joyner } 245371d10453SEric Joyner 245471d10453SEric Joyner ice_clear_hw_tbls(hw); 245571d10453SEric Joyner 245671d10453SEric Joyner if (hw->port_info) 24579c30461dSEric Joyner ice_sched_cleanup_all(hw); 245871d10453SEric Joyner 24598923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 246071d10453SEric Joyner } 246171d10453SEric Joyner 246271d10453SEric Joyner /** 246371d10453SEric Joyner * ice_rebuild_pf_vsi_qmap - Rebuild the main PF VSI queue mapping 246471d10453SEric Joyner * @sc: the device softc pointer 246571d10453SEric Joyner * 246671d10453SEric Joyner * Loops over the Tx and Rx queues for the main PF VSI and reassigns the queue 246771d10453SEric Joyner * mapping after a reset occurred. 246871d10453SEric Joyner */ 246971d10453SEric Joyner static int 247071d10453SEric Joyner ice_rebuild_pf_vsi_qmap(struct ice_softc *sc) 247171d10453SEric Joyner { 247271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 247371d10453SEric Joyner struct ice_tx_queue *txq; 247471d10453SEric Joyner struct ice_rx_queue *rxq; 247571d10453SEric Joyner int err, i; 247671d10453SEric Joyner 247771d10453SEric Joyner /* Re-assign Tx queues from PF space to the main VSI */ 247871d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, 247971d10453SEric Joyner vsi->num_tx_queues); 248071d10453SEric Joyner if (err) { 248171d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Tx queues: %s\n", 248271d10453SEric Joyner ice_err_str(err)); 248371d10453SEric Joyner return (err); 248471d10453SEric Joyner } 248571d10453SEric Joyner 248671d10453SEric Joyner /* Re-assign Rx queues from PF space to this VSI */ 248771d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, 248871d10453SEric Joyner vsi->num_rx_queues); 248971d10453SEric Joyner if (err) { 249071d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Rx queues: %s\n", 249171d10453SEric Joyner ice_err_str(err)); 249271d10453SEric Joyner goto err_release_tx_queues; 249371d10453SEric Joyner } 249471d10453SEric Joyner 249571d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 249671d10453SEric Joyner 249771d10453SEric Joyner /* Re-assign Tx queue tail pointers */ 249871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) 249971d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 250071d10453SEric Joyner 250171d10453SEric Joyner /* Re-assign Rx queue tail pointers */ 250271d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) 250371d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 250471d10453SEric Joyner 250571d10453SEric Joyner return (0); 250671d10453SEric Joyner 250771d10453SEric Joyner err_release_tx_queues: 250871d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 250971d10453SEric Joyner sc->pf_vsi.num_tx_queues); 251071d10453SEric Joyner 251171d10453SEric Joyner return (err); 251271d10453SEric Joyner } 251371d10453SEric Joyner 251471d10453SEric Joyner /* determine if the iflib context is active */ 251571d10453SEric Joyner #define CTX_ACTIVE(ctx) ((if_getdrvflags(iflib_get_ifp(ctx)) & IFF_DRV_RUNNING)) 251671d10453SEric Joyner 251771d10453SEric Joyner /** 251871d10453SEric Joyner * ice_rebuild_recovery_mode - Rebuild driver state while in recovery mode 251971d10453SEric Joyner * @sc: The device private softc 252071d10453SEric Joyner * 252171d10453SEric Joyner * Handle a driver rebuild while in recovery mode. This will only rebuild the 252271d10453SEric Joyner * limited functionality supported while in recovery mode. 252371d10453SEric Joyner */ 252471d10453SEric Joyner static void 252571d10453SEric Joyner ice_rebuild_recovery_mode(struct ice_softc *sc) 252671d10453SEric Joyner { 252771d10453SEric Joyner device_t dev = sc->dev; 252871d10453SEric Joyner 252971d10453SEric Joyner /* enable PCIe bus master */ 253071d10453SEric Joyner pci_enable_busmaster(dev); 253171d10453SEric Joyner 253271d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 253371d10453SEric Joyner ice_configure_misc_interrupts(sc); 253471d10453SEric Joyner 253571d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 253671d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 253771d10453SEric Joyner 253871d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 253971d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 254071d10453SEric Joyner 2541402810d3SJustin Hibbits log(LOG_INFO, "%s: device rebuild successful\n", if_name(sc->ifp)); 254271d10453SEric Joyner 254371d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 254471d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 254571d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 254671d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 254771d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 254871d10453SEric Joyner */ 254971d10453SEric Joyner ice_request_stack_reinit(sc); 255071d10453SEric Joyner 255171d10453SEric Joyner return; 255271d10453SEric Joyner } 255371d10453SEric Joyner 255471d10453SEric Joyner /** 255571d10453SEric Joyner * ice_rebuild - Rebuild driver state post reset 255671d10453SEric Joyner * @sc: The device private softc 255771d10453SEric Joyner * 255871d10453SEric Joyner * Restore driver state after a reset occurred. Restart the controlqs, setup 255971d10453SEric Joyner * the hardware port, and re-enable the VSIs. 256071d10453SEric Joyner */ 256171d10453SEric Joyner static void 256271d10453SEric Joyner ice_rebuild(struct ice_softc *sc) 256371d10453SEric Joyner { 256471d10453SEric Joyner struct ice_hw *hw = &sc->hw; 256571d10453SEric Joyner device_t dev = sc->dev; 25668923de59SPiotr Kubaj enum ice_ddp_state pkg_state; 256771d10453SEric Joyner enum ice_status status; 256871d10453SEric Joyner int err; 256971d10453SEric Joyner 257071d10453SEric Joyner sc->rebuild_ticks = ticks; 257171d10453SEric Joyner 257271d10453SEric Joyner /* If we're rebuilding, then a reset has succeeded. */ 257371d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_FAILED); 257471d10453SEric Joyner 257571d10453SEric Joyner /* 257671d10453SEric Joyner * If the firmware is in recovery mode, only restore the limited 257771d10453SEric Joyner * functionality supported by recovery mode. 257871d10453SEric Joyner */ 257971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 258071d10453SEric Joyner ice_rebuild_recovery_mode(sc); 258171d10453SEric Joyner return; 258271d10453SEric Joyner } 258371d10453SEric Joyner 258471d10453SEric Joyner /* enable PCIe bus master */ 258571d10453SEric Joyner pci_enable_busmaster(dev); 258671d10453SEric Joyner 258771d10453SEric Joyner status = ice_init_all_ctrlq(hw); 258871d10453SEric Joyner if (status) { 258971d10453SEric Joyner device_printf(dev, "failed to re-init controlqs, err %s\n", 259071d10453SEric Joyner ice_status_str(status)); 259171d10453SEric Joyner goto err_shutdown_ctrlq; 259271d10453SEric Joyner } 259371d10453SEric Joyner 259471d10453SEric Joyner /* Query the allocated resources for Tx scheduler */ 259571d10453SEric Joyner status = ice_sched_query_res_alloc(hw); 259671d10453SEric Joyner if (status) { 259771d10453SEric Joyner device_printf(dev, 259871d10453SEric Joyner "Failed to query scheduler resources, err %s aq_err %s\n", 259971d10453SEric Joyner ice_status_str(status), 260071d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 260171d10453SEric Joyner goto err_shutdown_ctrlq; 260271d10453SEric Joyner } 260371d10453SEric Joyner 260456429daeSEric Joyner /* Re-enable FW logging. Keep going even if this fails */ 260556429daeSEric Joyner status = ice_fwlog_set(hw, &hw->fwlog_cfg); 260656429daeSEric Joyner if (!status) { 260756429daeSEric Joyner /* 260856429daeSEric Joyner * We should have the most updated cached copy of the 260956429daeSEric Joyner * configuration, regardless of whether we're rebuilding 261056429daeSEric Joyner * or not. So we'll simply check to see if logging was 261156429daeSEric Joyner * enabled pre-rebuild. 261256429daeSEric Joyner */ 261356429daeSEric Joyner if (hw->fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 261456429daeSEric Joyner status = ice_fwlog_register(hw); 261556429daeSEric Joyner if (status) 261656429daeSEric Joyner device_printf(dev, "failed to re-register fw logging, err %s aq_err %s\n", 261756429daeSEric Joyner ice_status_str(status), 261856429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 261956429daeSEric Joyner } 262056429daeSEric Joyner } else 262156429daeSEric Joyner device_printf(dev, "failed to rebuild fw logging configuration, err %s aq_err %s\n", 262256429daeSEric Joyner ice_status_str(status), 262356429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 262456429daeSEric Joyner 262571d10453SEric Joyner err = ice_send_version(sc); 262671d10453SEric Joyner if (err) 262771d10453SEric Joyner goto err_shutdown_ctrlq; 262871d10453SEric Joyner 262971d10453SEric Joyner err = ice_init_link_events(sc); 263071d10453SEric Joyner if (err) { 263171d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 263271d10453SEric Joyner ice_err_str(err)); 263371d10453SEric Joyner goto err_shutdown_ctrlq; 263471d10453SEric Joyner } 263571d10453SEric Joyner 263671d10453SEric Joyner status = ice_clear_pf_cfg(hw); 263771d10453SEric Joyner if (status) { 263871d10453SEric Joyner device_printf(dev, "failed to clear PF configuration, err %s\n", 263971d10453SEric Joyner ice_status_str(status)); 264071d10453SEric Joyner goto err_shutdown_ctrlq; 264171d10453SEric Joyner } 264271d10453SEric Joyner 2643*9e54973fSEric Joyner ice_clean_all_vsi_rss_cfg(sc); 2644*9e54973fSEric Joyner 264571d10453SEric Joyner ice_clear_pxe_mode(hw); 264671d10453SEric Joyner 264771d10453SEric Joyner status = ice_get_caps(hw); 264871d10453SEric Joyner if (status) { 264971d10453SEric Joyner device_printf(dev, "failed to get capabilities, err %s\n", 265071d10453SEric Joyner ice_status_str(status)); 265171d10453SEric Joyner goto err_shutdown_ctrlq; 265271d10453SEric Joyner } 265371d10453SEric Joyner 265471d10453SEric Joyner status = ice_sched_init_port(hw->port_info); 265571d10453SEric Joyner if (status) { 265671d10453SEric Joyner device_printf(dev, "failed to initialize port, err %s\n", 265771d10453SEric Joyner ice_status_str(status)); 265871d10453SEric Joyner goto err_sched_cleanup; 265971d10453SEric Joyner } 266071d10453SEric Joyner 266171d10453SEric Joyner /* If we previously loaded the package, it needs to be reloaded now */ 266271d10453SEric Joyner if (!ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE)) { 26638923de59SPiotr Kubaj pkg_state = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 26648923de59SPiotr Kubaj if (!ice_is_init_pkg_successful(pkg_state)) { 26658923de59SPiotr Kubaj ice_log_pkg_init(sc, pkg_state); 266671d10453SEric Joyner ice_transition_safe_mode(sc); 266771d10453SEric Joyner } 266871d10453SEric Joyner } 266971d10453SEric Joyner 267071d10453SEric Joyner ice_reset_pf_stats(sc); 267171d10453SEric Joyner 267271d10453SEric Joyner err = ice_rebuild_pf_vsi_qmap(sc); 267371d10453SEric Joyner if (err) { 267471d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign main VSI queues, err %s\n", 267571d10453SEric Joyner ice_err_str(err)); 267671d10453SEric Joyner goto err_sched_cleanup; 267771d10453SEric Joyner } 267871d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 267971d10453SEric Joyner if (err) { 268071d10453SEric Joyner device_printf(sc->dev, "Unable to re-initialize Main VSI, err %s\n", 268171d10453SEric Joyner ice_err_str(err)); 268271d10453SEric Joyner goto err_release_queue_allocations; 268371d10453SEric Joyner } 268471d10453SEric Joyner 268571d10453SEric Joyner /* Replay all VSI configuration */ 268671d10453SEric Joyner err = ice_replay_all_vsi_cfg(sc); 268771d10453SEric Joyner if (err) 268871d10453SEric Joyner goto err_deinit_pf_vsi; 268971d10453SEric Joyner 26909cf1841cSEric Joyner /* Re-enable FW health event reporting */ 26919cf1841cSEric Joyner ice_init_health_events(sc); 26929cf1841cSEric Joyner 269371d10453SEric Joyner /* Reconfigure the main PF VSI for RSS */ 269471d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 269571d10453SEric Joyner if (err) { 269671d10453SEric Joyner device_printf(sc->dev, 269771d10453SEric Joyner "Unable to reconfigure RSS for the main VSI, err %s\n", 269871d10453SEric Joyner ice_err_str(err)); 269971d10453SEric Joyner goto err_deinit_pf_vsi; 270071d10453SEric Joyner } 270171d10453SEric Joyner 27029c30461dSEric Joyner if (hw->port_info->qos_cfg.is_sw_lldp) 27039c30461dSEric Joyner ice_add_rx_lldp_filter(sc); 27049c30461dSEric Joyner 270571d10453SEric Joyner /* Refresh link status */ 270671d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED); 270771d10453SEric Joyner sc->hw.port_info->phy.get_link_info = true; 270871d10453SEric Joyner ice_get_link_status(sc->hw.port_info, &sc->link_up); 270971d10453SEric Joyner ice_update_link_status(sc, true); 271071d10453SEric Joyner 27118a13362dSEric Joyner /* RDMA interface will be restarted by the stack re-init */ 27128a13362dSEric Joyner 271371d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 271471d10453SEric Joyner ice_configure_misc_interrupts(sc); 271571d10453SEric Joyner 271671d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 271771d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 271871d10453SEric Joyner 271971d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 272071d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 272171d10453SEric Joyner 2722*9e54973fSEric Joyner /* Reconfigure the subinterface */ 2723*9e54973fSEric Joyner if (sc->mirr_if) { 2724*9e54973fSEric Joyner err = ice_subif_rebuild(sc); 2725*9e54973fSEric Joyner if (err) 2726*9e54973fSEric Joyner goto err_deinit_pf_vsi; 2727*9e54973fSEric Joyner } 2728*9e54973fSEric Joyner 2729*9e54973fSEric Joyner log(LOG_INFO, "%s: device rebuild successful\n", sc->ifp->if_xname); 273071d10453SEric Joyner 273171d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 273271d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 273371d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 273471d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 273571d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 27369c30461dSEric Joyner * If LLDP is enabled we need to reconfig DCB to properly reinit all TC 27379c30461dSEric Joyner * queues, not only 0. It contains ice_request_stack_reinit as well. 273871d10453SEric Joyner */ 27399c30461dSEric Joyner if (hw->port_info->qos_cfg.is_sw_lldp) 274071d10453SEric Joyner ice_request_stack_reinit(sc); 27419c30461dSEric Joyner else 27429c30461dSEric Joyner ice_do_dcb_reconfig(sc, false); 274371d10453SEric Joyner 274471d10453SEric Joyner return; 274571d10453SEric Joyner 274671d10453SEric Joyner err_deinit_pf_vsi: 274771d10453SEric Joyner ice_deinit_vsi(&sc->pf_vsi); 274871d10453SEric Joyner err_release_queue_allocations: 274971d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 275071d10453SEric Joyner sc->pf_vsi.num_tx_queues); 275171d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 275271d10453SEric Joyner sc->pf_vsi.num_rx_queues); 275371d10453SEric Joyner err_sched_cleanup: 275471d10453SEric Joyner ice_sched_cleanup_all(hw); 275571d10453SEric Joyner err_shutdown_ctrlq: 27568923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 27578923de59SPiotr Kubaj ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 275871d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 275971d10453SEric Joyner device_printf(dev, "Driver rebuild failed, please reload the device driver\n"); 276071d10453SEric Joyner } 276171d10453SEric Joyner 276271d10453SEric Joyner /** 276371d10453SEric Joyner * ice_handle_reset_event - Handle reset events triggered by OICR 276471d10453SEric Joyner * @sc: The device private softc 276571d10453SEric Joyner * 276671d10453SEric Joyner * Handle reset events triggered by an OICR notification. This includes CORER, 276771d10453SEric Joyner * GLOBR, and EMPR resets triggered by software on this or any other PF or by 276871d10453SEric Joyner * firmware. 276971d10453SEric Joyner * 277071d10453SEric Joyner * @pre assumes the iflib context lock is held, and will unlock it while 277171d10453SEric Joyner * waiting for the hardware to finish reset. 277271d10453SEric Joyner */ 277371d10453SEric Joyner static void 277471d10453SEric Joyner ice_handle_reset_event(struct ice_softc *sc) 277571d10453SEric Joyner { 277671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 277771d10453SEric Joyner enum ice_status status; 277871d10453SEric Joyner device_t dev = sc->dev; 277971d10453SEric Joyner 278071d10453SEric Joyner /* When a CORER, GLOBR, or EMPR is about to happen, the hardware will 278171d10453SEric Joyner * trigger an OICR interrupt. Our OICR handler will determine when 278271d10453SEric Joyner * this occurs and set the ICE_STATE_RESET_OICR_RECV bit as 278371d10453SEric Joyner * appropriate. 278471d10453SEric Joyner */ 278571d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 278671d10453SEric Joyner return; 278771d10453SEric Joyner 278871d10453SEric Joyner ice_prepare_for_reset(sc); 278971d10453SEric Joyner 279071d10453SEric Joyner /* 279171d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 279271d10453SEric Joyner * resetting. 279371d10453SEric Joyner */ 279471d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 279571d10453SEric Joyner status = ice_check_reset(hw); 279671d10453SEric Joyner IFLIB_CTX_LOCK(sc); 279771d10453SEric Joyner if (status) { 279871d10453SEric Joyner device_printf(dev, "Device never came out of reset, err %s\n", 279971d10453SEric Joyner ice_status_str(status)); 280071d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 280171d10453SEric Joyner return; 280271d10453SEric Joyner } 280371d10453SEric Joyner 280471d10453SEric Joyner /* We're done with the reset, so we can rebuild driver state */ 280571d10453SEric Joyner sc->hw.reset_ongoing = false; 280671d10453SEric Joyner ice_rebuild(sc); 280771d10453SEric Joyner 280871d10453SEric Joyner /* In the unlikely event that a PF reset request occurs at the same 280971d10453SEric Joyner * time as a global reset, clear the request now. This avoids 281071d10453SEric Joyner * resetting a second time right after we reset due to a global event. 281171d10453SEric Joyner */ 281271d10453SEric Joyner if (ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 281371d10453SEric Joyner device_printf(dev, "Ignoring PFR request that occurred while a reset was ongoing\n"); 281471d10453SEric Joyner } 281571d10453SEric Joyner 281671d10453SEric Joyner /** 281771d10453SEric Joyner * ice_handle_pf_reset_request - Initiate PF reset requested by software 281871d10453SEric Joyner * @sc: The device private softc 281971d10453SEric Joyner * 282071d10453SEric Joyner * Initiate a PF reset requested by software. We handle this in the admin task 282171d10453SEric Joyner * so that only one thread actually handles driver preparation and cleanup, 282271d10453SEric Joyner * rather than having multiple threads possibly attempt to run this code 282371d10453SEric Joyner * simultaneously. 282471d10453SEric Joyner * 282571d10453SEric Joyner * @pre assumes the iflib context lock is held and will unlock it while 282671d10453SEric Joyner * waiting for the PF reset to complete. 282771d10453SEric Joyner */ 282871d10453SEric Joyner static void 282971d10453SEric Joyner ice_handle_pf_reset_request(struct ice_softc *sc) 283071d10453SEric Joyner { 283171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 283271d10453SEric Joyner enum ice_status status; 283371d10453SEric Joyner 283471d10453SEric Joyner /* Check for PF reset requests */ 283571d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 283671d10453SEric Joyner return; 283771d10453SEric Joyner 283871d10453SEric Joyner /* Make sure we're prepared for reset */ 283971d10453SEric Joyner ice_prepare_for_reset(sc); 284071d10453SEric Joyner 284171d10453SEric Joyner /* 284271d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 284371d10453SEric Joyner * resetting. 284471d10453SEric Joyner */ 284571d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 284671d10453SEric Joyner status = ice_reset(hw, ICE_RESET_PFR); 284771d10453SEric Joyner IFLIB_CTX_LOCK(sc); 284871d10453SEric Joyner if (status) { 284971d10453SEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 285071d10453SEric Joyner ice_status_str(status)); 285171d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 285271d10453SEric Joyner return; 285371d10453SEric Joyner } 285471d10453SEric Joyner 285571d10453SEric Joyner sc->soft_stats.pfr_count++; 285671d10453SEric Joyner ice_rebuild(sc); 285771d10453SEric Joyner } 285871d10453SEric Joyner 285971d10453SEric Joyner /** 286071d10453SEric Joyner * ice_init_device_features - Init device driver features 286171d10453SEric Joyner * @sc: driver softc structure 286271d10453SEric Joyner * 286371d10453SEric Joyner * @pre assumes that the function capabilities bits have been set up by 286471d10453SEric Joyner * ice_init_hw(). 286571d10453SEric Joyner */ 286671d10453SEric Joyner static void 286771d10453SEric Joyner ice_init_device_features(struct ice_softc *sc) 286871d10453SEric Joyner { 28699c30461dSEric Joyner struct ice_hw *hw = &sc->hw; 28709c30461dSEric Joyner 28717d7af7f8SEric Joyner /* Set capabilities that all devices support */ 287271d10453SEric Joyner ice_set_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 287371d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_cap); 28748a13362dSEric Joyner ice_set_bit(ICE_FEATURE_RDMA, sc->feat_cap); 287571d10453SEric Joyner ice_set_bit(ICE_FEATURE_LENIENT_LINK_MODE, sc->feat_cap); 28769cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_1, sc->feat_cap); 28779cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_2, sc->feat_cap); 28789cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 287956429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 288056429daeSEric Joyner ice_set_bit(ICE_FEATURE_HAS_PBA, sc->feat_cap); 28818923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_DCB, sc->feat_cap); 28828923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 288371d10453SEric Joyner 288471d10453SEric Joyner /* Disable features due to hardware limitations... */ 28859c30461dSEric Joyner if (!hw->func_caps.common_cap.rss_table_size) 288671d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 28879c30461dSEric Joyner if (!hw->func_caps.common_cap.iwarp || !ice_enable_irdma) 28888a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 28899c30461dSEric Joyner if (!hw->func_caps.common_cap.dcb) 28908923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_DCB, sc->feat_cap); 28919cf1841cSEric Joyner /* Disable features due to firmware limitations... */ 28929c30461dSEric Joyner if (!ice_is_fw_health_report_supported(hw)) 28939cf1841cSEric Joyner ice_clear_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 28949c30461dSEric Joyner if (!ice_fwlog_supported(hw)) 289556429daeSEric Joyner ice_clear_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 28969c30461dSEric Joyner if (hw->fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 289756429daeSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_FW_LOGGING)) 289856429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_en); 289956429daeSEric Joyner else 29009c30461dSEric Joyner ice_fwlog_unregister(hw); 290156429daeSEric Joyner } 290271d10453SEric Joyner 290371d10453SEric Joyner /* Disable capabilities not supported by the OS */ 290471d10453SEric Joyner ice_disable_unsupported_features(sc->feat_cap); 290571d10453SEric Joyner 290671d10453SEric Joyner /* RSS is always enabled for iflib */ 290771d10453SEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RSS)) 290871d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_en); 29098923de59SPiotr Kubaj 29108923de59SPiotr Kubaj /* Disable features based on sysctl settings */ 29118923de59SPiotr Kubaj if (!ice_tx_balance_en) 29128923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 29139c30461dSEric Joyner 29149c30461dSEric Joyner if (hw->dev_caps.supported_sensors & ICE_SENSOR_SUPPORT_E810_INT_TEMP) { 29159c30461dSEric Joyner ice_set_bit(ICE_FEATURE_TEMP_SENSOR, sc->feat_cap); 29169c30461dSEric Joyner ice_set_bit(ICE_FEATURE_TEMP_SENSOR, sc->feat_en); 29179c30461dSEric Joyner } 291871d10453SEric Joyner } 291971d10453SEric Joyner 292071d10453SEric Joyner /** 292171d10453SEric Joyner * ice_if_multi_set - Callback to update Multicast filters in HW 292271d10453SEric Joyner * @ctx: iflib ctx structure 292371d10453SEric Joyner * 292471d10453SEric Joyner * Called by iflib in response to SIOCDELMULTI and SIOCADDMULTI. Must search 292571d10453SEric Joyner * the if_multiaddrs list and determine which filters have been added or 292671d10453SEric Joyner * removed from the list, and update HW programming to reflect the new list. 292771d10453SEric Joyner * 292871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 292971d10453SEric Joyner */ 293071d10453SEric Joyner static void 293171d10453SEric Joyner ice_if_multi_set(if_ctx_t ctx) 293271d10453SEric Joyner { 293371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 293471d10453SEric Joyner int err; 293571d10453SEric Joyner 293671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 293771d10453SEric Joyner 293871d10453SEric Joyner /* Do not handle multicast configuration in recovery mode */ 293971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 294071d10453SEric Joyner return; 294171d10453SEric Joyner 294271d10453SEric Joyner err = ice_sync_multicast_filters(sc); 294371d10453SEric Joyner if (err) { 294471d10453SEric Joyner device_printf(sc->dev, 294571d10453SEric Joyner "Failed to synchronize multicast filter list: %s\n", 294671d10453SEric Joyner ice_err_str(err)); 294771d10453SEric Joyner return; 294871d10453SEric Joyner } 294971d10453SEric Joyner } 295071d10453SEric Joyner 295171d10453SEric Joyner /** 295271d10453SEric Joyner * ice_if_vlan_register - Register a VLAN with the hardware 295371d10453SEric Joyner * @ctx: iflib ctx pointer 295471d10453SEric Joyner * @vtag: VLAN to add 295571d10453SEric Joyner * 295671d10453SEric Joyner * Programs the main PF VSI with a hardware filter for the given VLAN. 295771d10453SEric Joyner * 295871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 295971d10453SEric Joyner */ 296071d10453SEric Joyner static void 296171d10453SEric Joyner ice_if_vlan_register(if_ctx_t ctx, u16 vtag) 296271d10453SEric Joyner { 296371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 296471d10453SEric Joyner enum ice_status status; 296571d10453SEric Joyner 296671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 296771d10453SEric Joyner 296871d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 296971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 297071d10453SEric Joyner return; 297171d10453SEric Joyner 297271d10453SEric Joyner status = ice_add_vlan_hw_filter(&sc->pf_vsi, vtag); 297371d10453SEric Joyner if (status) { 297471d10453SEric Joyner device_printf(sc->dev, 297571d10453SEric Joyner "Failure adding VLAN %d to main VSI, err %s aq_err %s\n", 297671d10453SEric Joyner vtag, ice_status_str(status), 297771d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 297871d10453SEric Joyner } 297971d10453SEric Joyner } 298071d10453SEric Joyner 298171d10453SEric Joyner /** 298271d10453SEric Joyner * ice_if_vlan_unregister - Remove a VLAN filter from the hardware 298371d10453SEric Joyner * @ctx: iflib ctx pointer 298471d10453SEric Joyner * @vtag: VLAN to add 298571d10453SEric Joyner * 298671d10453SEric Joyner * Removes the previously programmed VLAN filter from the main PF VSI. 298771d10453SEric Joyner * 298871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 298971d10453SEric Joyner */ 299071d10453SEric Joyner static void 299171d10453SEric Joyner ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 299271d10453SEric Joyner { 299371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 299471d10453SEric Joyner enum ice_status status; 299571d10453SEric Joyner 299671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 299771d10453SEric Joyner 299871d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 299971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 300071d10453SEric Joyner return; 300171d10453SEric Joyner 300271d10453SEric Joyner status = ice_remove_vlan_hw_filter(&sc->pf_vsi, vtag); 300371d10453SEric Joyner if (status) { 300471d10453SEric Joyner device_printf(sc->dev, 300571d10453SEric Joyner "Failure removing VLAN %d from main VSI, err %s aq_err %s\n", 300671d10453SEric Joyner vtag, ice_status_str(status), 300771d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 300871d10453SEric Joyner } 300971d10453SEric Joyner } 301071d10453SEric Joyner 301171d10453SEric Joyner /** 301271d10453SEric Joyner * ice_if_stop - Stop the device 301371d10453SEric Joyner * @ctx: iflib context structure 301471d10453SEric Joyner * 301571d10453SEric Joyner * Called by iflib to stop the device and bring it down. (i.e. ifconfig ice0 301671d10453SEric Joyner * down) 301771d10453SEric Joyner * 301871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 301971d10453SEric Joyner */ 302071d10453SEric Joyner static void 302171d10453SEric Joyner ice_if_stop(if_ctx_t ctx) 302271d10453SEric Joyner { 3023*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 302471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 302571d10453SEric Joyner 302671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 302771d10453SEric Joyner 302871d10453SEric Joyner /* 302971d10453SEric Joyner * The iflib core may call IFDI_STOP prior to the first call to 303071d10453SEric Joyner * IFDI_INIT. This will cause us to attempt to remove MAC filters we 303171d10453SEric Joyner * don't have, and disable Tx queues which aren't yet configured. 303271d10453SEric Joyner * Although it is likely these extra operations are harmless, they do 303371d10453SEric Joyner * cause spurious warning messages to be displayed, which may confuse 303471d10453SEric Joyner * users. 303571d10453SEric Joyner * 303671d10453SEric Joyner * To avoid these messages, we use a state bit indicating if we've 303771d10453SEric Joyner * been initialized. It will be set when ice_if_init is called, and 303871d10453SEric Joyner * cleared here in ice_if_stop. 303971d10453SEric Joyner */ 304071d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED)) 304171d10453SEric Joyner return; 304271d10453SEric Joyner 304371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 304471d10453SEric Joyner device_printf(sc->dev, "request to stop interface cannot be completed as the device failed to reset\n"); 304571d10453SEric Joyner return; 304671d10453SEric Joyner } 304771d10453SEric Joyner 304871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 304971d10453SEric Joyner device_printf(sc->dev, "request to stop interface while device is prepared for impending reset\n"); 305071d10453SEric Joyner return; 305171d10453SEric Joyner } 305271d10453SEric Joyner 30538a13362dSEric Joyner ice_rdma_pf_stop(sc); 30548a13362dSEric Joyner 305571d10453SEric Joyner /* Remove the MAC filters, stop Tx, and stop Rx. We don't check the 305671d10453SEric Joyner * return of these functions because there's nothing we can really do 305771d10453SEric Joyner * if they fail, and the functions already print error messages. 305871d10453SEric Joyner * Just try to shut down as much as we can. 305971d10453SEric Joyner */ 306071d10453SEric Joyner ice_rm_pf_default_mac_filters(sc); 306171d10453SEric Joyner 306271d10453SEric Joyner /* Dissociate the Tx and Rx queues from the interrupts */ 306371d10453SEric Joyner ice_flush_txq_interrupts(&sc->pf_vsi); 306471d10453SEric Joyner ice_flush_rxq_interrupts(&sc->pf_vsi); 306571d10453SEric Joyner 306671d10453SEric Joyner /* Disable the Tx and Rx queues */ 306771d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 30689dc2f6e2SEric Joyner ice_control_all_rx_queues(&sc->pf_vsi, false); 30699c30461dSEric Joyner 30709c30461dSEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) && 30719c30461dSEric Joyner !(if_getflags(sc->ifp) & IFF_UP) && sc->link_up) 30729c30461dSEric Joyner ice_set_link(sc, false); 3073*9e54973fSEric Joyner 3074*9e54973fSEric Joyner if (sc->mirr_if && ice_test_state(&mif->state, ICE_STATE_SUBIF_NEEDS_REINIT)) { 3075*9e54973fSEric Joyner ice_subif_if_stop(sc->mirr_if->subctx); 3076*9e54973fSEric Joyner device_printf(sc->dev, "The subinterface also comes down and up after reset\n"); 3077*9e54973fSEric Joyner } 307871d10453SEric Joyner } 307971d10453SEric Joyner 308071d10453SEric Joyner /** 308171d10453SEric Joyner * ice_if_get_counter - Get current value of an ifnet statistic 308271d10453SEric Joyner * @ctx: iflib context pointer 308371d10453SEric Joyner * @counter: ifnet counter to read 308471d10453SEric Joyner * 308571d10453SEric Joyner * Reads the current value of an ifnet counter for the device. 308671d10453SEric Joyner * 308771d10453SEric Joyner * This function is not protected by the iflib CTX lock. 308871d10453SEric Joyner */ 308971d10453SEric Joyner static uint64_t 309071d10453SEric Joyner ice_if_get_counter(if_ctx_t ctx, ift_counter counter) 309171d10453SEric Joyner { 309271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 309371d10453SEric Joyner 309471d10453SEric Joyner /* Return the counter for the main PF VSI */ 309571d10453SEric Joyner return ice_get_ifnet_counter(&sc->pf_vsi, counter); 309671d10453SEric Joyner } 309771d10453SEric Joyner 309871d10453SEric Joyner /** 309971d10453SEric Joyner * ice_request_stack_reinit - Request that iflib re-initialize 310071d10453SEric Joyner * @sc: the device private softc 310171d10453SEric Joyner * 310271d10453SEric Joyner * Request that the device be brought down and up, to re-initialize. For 310371d10453SEric Joyner * example, this may be called when a device reset occurs, or when Tx and Rx 310471d10453SEric Joyner * queues need to be re-initialized. 310571d10453SEric Joyner * 310671d10453SEric Joyner * This is required because the iflib state is outside the driver, and must be 310771d10453SEric Joyner * re-initialized if we need to resart Tx and Rx queues. 310871d10453SEric Joyner */ 310971d10453SEric Joyner void 311071d10453SEric Joyner ice_request_stack_reinit(struct ice_softc *sc) 311171d10453SEric Joyner { 311271d10453SEric Joyner if (CTX_ACTIVE(sc->ctx)) { 311371d10453SEric Joyner iflib_request_reset(sc->ctx); 311471d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 311571d10453SEric Joyner } 311671d10453SEric Joyner } 311771d10453SEric Joyner 311871d10453SEric Joyner /** 311971d10453SEric Joyner * ice_driver_is_detaching - Check if the driver is detaching/unloading 312071d10453SEric Joyner * @sc: device private softc 312171d10453SEric Joyner * 312271d10453SEric Joyner * Returns true if the driver is detaching, false otherwise. 312371d10453SEric Joyner * 312471d10453SEric Joyner * @remark on newer kernels, take advantage of iflib_in_detach in order to 312571d10453SEric Joyner * report detachment correctly as early as possible. 312671d10453SEric Joyner * 312771d10453SEric Joyner * @remark this function is used by various code paths that want to avoid 312871d10453SEric Joyner * running if the driver is about to be removed. This includes sysctls and 312971d10453SEric Joyner * other driver access points. Note that it does not fully resolve 313071d10453SEric Joyner * detach-based race conditions as it is possible for a thread to race with 313171d10453SEric Joyner * iflib_in_detach. 313271d10453SEric Joyner */ 313371d10453SEric Joyner bool 313471d10453SEric Joyner ice_driver_is_detaching(struct ice_softc *sc) 313571d10453SEric Joyner { 313671d10453SEric Joyner return (ice_test_state(&sc->state, ICE_STATE_DETACHING) || 313771d10453SEric Joyner iflib_in_detach(sc->ctx)); 313871d10453SEric Joyner } 313971d10453SEric Joyner 314071d10453SEric Joyner /** 314171d10453SEric Joyner * ice_if_priv_ioctl - Device private ioctl handler 314271d10453SEric Joyner * @ctx: iflib context pointer 314371d10453SEric Joyner * @command: The ioctl command issued 314471d10453SEric Joyner * @data: ioctl specific data 314571d10453SEric Joyner * 314671d10453SEric Joyner * iflib callback for handling custom driver specific ioctls. 314771d10453SEric Joyner * 314871d10453SEric Joyner * @pre Assumes that the iflib context lock is held. 314971d10453SEric Joyner */ 315071d10453SEric Joyner static int 315171d10453SEric Joyner ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) 315271d10453SEric Joyner { 315371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 315471d10453SEric Joyner struct ifdrv *ifd; 315571d10453SEric Joyner device_t dev = sc->dev; 315671d10453SEric Joyner 315771d10453SEric Joyner if (data == NULL) 315871d10453SEric Joyner return (EINVAL); 315971d10453SEric Joyner 316071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 316171d10453SEric Joyner 316271d10453SEric Joyner /* Make sure the command type is valid */ 316371d10453SEric Joyner switch (command) { 316471d10453SEric Joyner case SIOCSDRVSPEC: 316571d10453SEric Joyner case SIOCGDRVSPEC: 316671d10453SEric Joyner /* Accepted commands */ 316771d10453SEric Joyner break; 316871d10453SEric Joyner case SIOCGPRIVATE_0: 316971d10453SEric Joyner /* 317071d10453SEric Joyner * Although we do not support this ioctl command, it's 317171d10453SEric Joyner * expected that iflib will forward it to the IFDI_PRIV_IOCTL 317271d10453SEric Joyner * handler. Do not print a message in this case 317371d10453SEric Joyner */ 317471d10453SEric Joyner return (ENOTSUP); 317571d10453SEric Joyner default: 317671d10453SEric Joyner /* 317771d10453SEric Joyner * If we get a different command for this function, it's 317871d10453SEric Joyner * definitely unexpected, so log a message indicating what 317971d10453SEric Joyner * command we got for debugging purposes. 318071d10453SEric Joyner */ 318171d10453SEric Joyner device_printf(dev, "%s: unexpected ioctl command %08lx\n", 318271d10453SEric Joyner __func__, command); 318371d10453SEric Joyner return (EINVAL); 318471d10453SEric Joyner } 318571d10453SEric Joyner 318671d10453SEric Joyner ifd = (struct ifdrv *)data; 318771d10453SEric Joyner 318871d10453SEric Joyner switch (ifd->ifd_cmd) { 318971d10453SEric Joyner case ICE_NVM_ACCESS: 319071d10453SEric Joyner return ice_handle_nvm_access_ioctl(sc, ifd); 31918923de59SPiotr Kubaj case ICE_DEBUG_DUMP: 31928923de59SPiotr Kubaj return ice_handle_debug_dump_ioctl(sc, ifd); 319371d10453SEric Joyner default: 319471d10453SEric Joyner return EINVAL; 319571d10453SEric Joyner } 319671d10453SEric Joyner } 319771d10453SEric Joyner 319871d10453SEric Joyner /** 319971d10453SEric Joyner * ice_if_i2c_req - I2C request handler for iflib 320071d10453SEric Joyner * @ctx: iflib context pointer 320171d10453SEric Joyner * @req: The I2C parameters to use 320271d10453SEric Joyner * 320371d10453SEric Joyner * Read from the port's I2C eeprom using the parameters from the ioctl. 320471d10453SEric Joyner * 320571d10453SEric Joyner * @remark The iflib-only part is pretty simple. 320671d10453SEric Joyner */ 320771d10453SEric Joyner static int 320871d10453SEric Joyner ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 320971d10453SEric Joyner { 321071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 321171d10453SEric Joyner 321271d10453SEric Joyner return ice_handle_i2c_req(sc, req); 321371d10453SEric Joyner } 321471d10453SEric Joyner 32157d7af7f8SEric Joyner /** 32167d7af7f8SEric Joyner * ice_if_suspend - PCI device suspend handler for iflib 32177d7af7f8SEric Joyner * @ctx: iflib context pointer 32187d7af7f8SEric Joyner * 32197d7af7f8SEric Joyner * Deinitializes the driver and clears HW resources in preparation for 32207d7af7f8SEric Joyner * suspend or an FLR. 32217d7af7f8SEric Joyner * 32227d7af7f8SEric Joyner * @returns 0; this return value is ignored 32237d7af7f8SEric Joyner */ 32247d7af7f8SEric Joyner static int 32257d7af7f8SEric Joyner ice_if_suspend(if_ctx_t ctx) 32267d7af7f8SEric Joyner { 32277d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 32287d7af7f8SEric Joyner 32297d7af7f8SEric Joyner /* At least a PFR is always going to happen after this; 32307d7af7f8SEric Joyner * either via FLR or during the D3->D0 transition. 32317d7af7f8SEric Joyner */ 32327d7af7f8SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 32337d7af7f8SEric Joyner 32347d7af7f8SEric Joyner ice_prepare_for_reset(sc); 32357d7af7f8SEric Joyner 32367d7af7f8SEric Joyner return (0); 32377d7af7f8SEric Joyner } 32387d7af7f8SEric Joyner 32397d7af7f8SEric Joyner /** 32407d7af7f8SEric Joyner * ice_if_resume - PCI device resume handler for iflib 32417d7af7f8SEric Joyner * @ctx: iflib context pointer 32427d7af7f8SEric Joyner * 32437d7af7f8SEric Joyner * Reinitializes the driver and the HW after PCI resume or after 32447d7af7f8SEric Joyner * an FLR. An init is performed by iflib after this function is finished. 32457d7af7f8SEric Joyner * 32467d7af7f8SEric Joyner * @returns 0; this return value is ignored 32477d7af7f8SEric Joyner */ 32487d7af7f8SEric Joyner static int 32497d7af7f8SEric Joyner ice_if_resume(if_ctx_t ctx) 32507d7af7f8SEric Joyner { 32517d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 32527d7af7f8SEric Joyner 32537d7af7f8SEric Joyner ice_rebuild(sc); 32547d7af7f8SEric Joyner 32557d7af7f8SEric Joyner return (0); 32567d7af7f8SEric Joyner } 32577d7af7f8SEric Joyner 32589c30461dSEric Joyner /** 32599c30461dSEric Joyner * ice_if_needs_restart - Tell iflib when the driver needs to be reinitialized 32609c30461dSEric Joyner * @ctx: iflib context pointer 326114a14e36SKevin Bowling * @event: event code to check 326214a14e36SKevin Bowling * 3263*9e54973fSEric Joyner * Defaults to returning true for unknown events. 326414a14e36SKevin Bowling * 326514a14e36SKevin Bowling * @returns true if iflib needs to reinit the interface 326614a14e36SKevin Bowling */ 326714a14e36SKevin Bowling static bool 3268*9e54973fSEric Joyner ice_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event) 326914a14e36SKevin Bowling { 3270*9e54973fSEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 3271*9e54973fSEric Joyner 327214a14e36SKevin Bowling switch (event) { 327314a14e36SKevin Bowling case IFLIB_RESTART_VLAN_CONFIG: 3274*9e54973fSEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) && 3275*9e54973fSEric Joyner !(if_getflags(sc->ifp) & IFF_UP)) 3276*9e54973fSEric Joyner return false; 327714a14e36SKevin Bowling default: 3278*9e54973fSEric Joyner return true; 327914a14e36SKevin Bowling } 328014a14e36SKevin Bowling } 328114a14e36SKevin Bowling 3282*9e54973fSEric Joyner extern struct if_txrx ice_subif_txrx; 3283*9e54973fSEric Joyner 3284*9e54973fSEric Joyner /** 3285*9e54973fSEric Joyner * @var ice_subif_methods 3286*9e54973fSEric Joyner * @brief ice driver method entry points 3287*9e54973fSEric Joyner */ 3288*9e54973fSEric Joyner static device_method_t ice_subif_methods[] = { 3289*9e54973fSEric Joyner /* Device interface */ 3290*9e54973fSEric Joyner DEVMETHOD(device_register, ice_subif_register), 3291*9e54973fSEric Joyner DEVMETHOD_END 3292*9e54973fSEric Joyner }; 3293*9e54973fSEric Joyner 3294*9e54973fSEric Joyner /** 3295*9e54973fSEric Joyner * @var ice_subif_driver 3296*9e54973fSEric Joyner * @brief driver structure for the device API 3297*9e54973fSEric Joyner */ 3298*9e54973fSEric Joyner static driver_t ice_subif_driver = { 3299*9e54973fSEric Joyner .name = "ice_subif", 3300*9e54973fSEric Joyner .methods = ice_subif_methods, 3301*9e54973fSEric Joyner .size = sizeof(struct ice_mirr_if), 3302*9e54973fSEric Joyner }; 3303*9e54973fSEric Joyner 3304*9e54973fSEric Joyner static device_method_t ice_iflib_subif_methods[] = { 3305*9e54973fSEric Joyner DEVMETHOD(ifdi_attach_pre, ice_subif_if_attach_pre), 3306*9e54973fSEric Joyner DEVMETHOD(ifdi_attach_post, ice_subif_if_attach_post), 3307*9e54973fSEric Joyner DEVMETHOD(ifdi_tx_queues_alloc, ice_subif_if_tx_queues_alloc), 3308*9e54973fSEric Joyner DEVMETHOD(ifdi_rx_queues_alloc, ice_subif_if_rx_queues_alloc), 3309*9e54973fSEric Joyner DEVMETHOD(ifdi_msix_intr_assign, ice_subif_if_msix_intr_assign), 3310*9e54973fSEric Joyner DEVMETHOD(ifdi_intr_enable, ice_subif_if_intr_enable), 3311*9e54973fSEric Joyner DEVMETHOD(ifdi_rx_queue_intr_enable, ice_subif_if_rx_queue_intr_enable), 3312*9e54973fSEric Joyner DEVMETHOD(ifdi_tx_queue_intr_enable, ice_subif_if_tx_queue_intr_enable), 3313*9e54973fSEric Joyner DEVMETHOD(ifdi_init, ice_subif_if_init), 3314*9e54973fSEric Joyner DEVMETHOD(ifdi_stop, ice_subif_if_stop), 3315*9e54973fSEric Joyner DEVMETHOD(ifdi_queues_free, ice_subif_if_queues_free), 3316*9e54973fSEric Joyner DEVMETHOD(ifdi_media_status, ice_subif_if_media_status), 3317*9e54973fSEric Joyner DEVMETHOD(ifdi_promisc_set, ice_subif_if_promisc_set), 3318*9e54973fSEric Joyner }; 3319*9e54973fSEric Joyner 3320*9e54973fSEric Joyner /** 3321*9e54973fSEric Joyner * @var ice_iflib_subif_driver 3322*9e54973fSEric Joyner * @brief driver structure for the iflib stack 3323*9e54973fSEric Joyner * 3324*9e54973fSEric Joyner * driver_t definition used to setup the iflib device methods. 3325*9e54973fSEric Joyner */ 3326*9e54973fSEric Joyner static driver_t ice_iflib_subif_driver = { 3327*9e54973fSEric Joyner .name = "ice_subif", 3328*9e54973fSEric Joyner .methods = ice_iflib_subif_methods, 3329*9e54973fSEric Joyner .size = sizeof(struct ice_mirr_if), 3330*9e54973fSEric Joyner }; 3331*9e54973fSEric Joyner 3332*9e54973fSEric Joyner /** 3333*9e54973fSEric Joyner * @var ice_subif_sctx 3334*9e54973fSEric Joyner * @brief ice driver shared context 3335*9e54973fSEric Joyner * 3336*9e54973fSEric Joyner * Similar to the existing ice_sctx, this structure has these differences: 3337*9e54973fSEric Joyner * - isc_admin_intrcnt is set to 0 3338*9e54973fSEric Joyner * - Uses subif iflib driver methods 3339*9e54973fSEric Joyner * - Flagged as a VF for iflib 3340*9e54973fSEric Joyner */ 3341*9e54973fSEric Joyner static struct if_shared_ctx ice_subif_sctx = { 3342*9e54973fSEric Joyner .isc_magic = IFLIB_MAGIC, 3343*9e54973fSEric Joyner .isc_q_align = PAGE_SIZE, 3344*9e54973fSEric Joyner 3345*9e54973fSEric Joyner .isc_tx_maxsize = ICE_MAX_FRAME_SIZE, 3346*9e54973fSEric Joyner .isc_tx_maxsegsize = ICE_MAX_FRAME_SIZE, 3347*9e54973fSEric Joyner .isc_tso_maxsize = ICE_TSO_SIZE + sizeof(struct ether_vlan_header), 3348*9e54973fSEric Joyner .isc_tso_maxsegsize = ICE_MAX_DMA_SEG_SIZE, 3349*9e54973fSEric Joyner 3350*9e54973fSEric Joyner .isc_rx_maxsize = ICE_MAX_FRAME_SIZE, 3351*9e54973fSEric Joyner .isc_rx_nsegments = ICE_MAX_RX_SEGS, 3352*9e54973fSEric Joyner .isc_rx_maxsegsize = ICE_MAX_FRAME_SIZE, 3353*9e54973fSEric Joyner 3354*9e54973fSEric Joyner .isc_nfl = 1, 3355*9e54973fSEric Joyner .isc_ntxqs = 1, 3356*9e54973fSEric Joyner .isc_nrxqs = 1, 3357*9e54973fSEric Joyner 3358*9e54973fSEric Joyner .isc_admin_intrcnt = 0, 3359*9e54973fSEric Joyner .isc_vendor_info = ice_vendor_info_array, 3360*9e54973fSEric Joyner .isc_driver_version = __DECONST(char *, ice_driver_version), 3361*9e54973fSEric Joyner .isc_driver = &ice_iflib_subif_driver, 3362*9e54973fSEric Joyner 3363*9e54973fSEric Joyner .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | 3364*9e54973fSEric Joyner IFLIB_ADMIN_ALWAYS_RUN | IFLIB_SKIP_MSIX | 3365*9e54973fSEric Joyner IFLIB_IS_VF, 3366*9e54973fSEric Joyner 3367*9e54973fSEric Joyner .isc_nrxd_min = {ICE_MIN_DESC_COUNT}, 3368*9e54973fSEric Joyner .isc_ntxd_min = {ICE_MIN_DESC_COUNT}, 3369*9e54973fSEric Joyner .isc_nrxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 3370*9e54973fSEric Joyner .isc_ntxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 3371*9e54973fSEric Joyner .isc_nrxd_default = {ICE_DEFAULT_DESC_COUNT}, 3372*9e54973fSEric Joyner .isc_ntxd_default = {ICE_DEFAULT_DESC_COUNT}, 3373*9e54973fSEric Joyner }; 3374*9e54973fSEric Joyner 3375*9e54973fSEric Joyner static void * 3376*9e54973fSEric Joyner ice_subif_register(device_t dev __unused) 3377*9e54973fSEric Joyner { 3378*9e54973fSEric Joyner return (&ice_subif_sctx); 3379*9e54973fSEric Joyner } 3380*9e54973fSEric Joyner 3381*9e54973fSEric Joyner static void 3382*9e54973fSEric Joyner ice_subif_setup_scctx(struct ice_mirr_if *mif) 3383*9e54973fSEric Joyner { 3384*9e54973fSEric Joyner if_softc_ctx_t scctx = mif->subscctx; 3385*9e54973fSEric Joyner 3386*9e54973fSEric Joyner scctx->isc_txrx = &ice_subif_txrx; 3387*9e54973fSEric Joyner 3388*9e54973fSEric Joyner scctx->isc_capenable = ICE_FULL_CAPS; 3389*9e54973fSEric Joyner scctx->isc_tx_csum_flags = ICE_CSUM_OFFLOAD; 3390*9e54973fSEric Joyner 3391*9e54973fSEric Joyner scctx->isc_ntxqsets = 4; 3392*9e54973fSEric Joyner scctx->isc_nrxqsets = 4; 3393*9e54973fSEric Joyner scctx->isc_vectors = scctx->isc_nrxqsets; 3394*9e54973fSEric Joyner 3395*9e54973fSEric Joyner scctx->isc_ntxqsets_max = 256; 3396*9e54973fSEric Joyner scctx->isc_nrxqsets_max = 256; 3397*9e54973fSEric Joyner 3398*9e54973fSEric Joyner scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 3399*9e54973fSEric Joyner * sizeof(struct ice_tx_desc), DBA_ALIGN); 3400*9e54973fSEric Joyner scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 3401*9e54973fSEric Joyner * sizeof(union ice_32b_rx_flex_desc), DBA_ALIGN); 3402*9e54973fSEric Joyner 3403*9e54973fSEric Joyner scctx->isc_tx_nsegments = ICE_MAX_TX_SEGS; 3404*9e54973fSEric Joyner scctx->isc_tx_tso_segments_max = ICE_MAX_TSO_SEGS; 3405*9e54973fSEric Joyner scctx->isc_tx_tso_size_max = ICE_TSO_SIZE; 3406*9e54973fSEric Joyner scctx->isc_tx_tso_segsize_max = ICE_MAX_DMA_SEG_SIZE; 3407*9e54973fSEric Joyner } 3408*9e54973fSEric Joyner 3409*9e54973fSEric Joyner static int 3410*9e54973fSEric Joyner ice_subif_if_attach_pre(if_ctx_t ctx) 3411*9e54973fSEric Joyner { 3412*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 3413*9e54973fSEric Joyner device_t dev = iflib_get_dev(ctx); 3414*9e54973fSEric Joyner 3415*9e54973fSEric Joyner mif->subctx = ctx; 3416*9e54973fSEric Joyner mif->subdev = dev; 3417*9e54973fSEric Joyner mif->subscctx = iflib_get_softc_ctx(ctx); 3418*9e54973fSEric Joyner 3419*9e54973fSEric Joyner /* Setup the iflib softc context structure */ 3420*9e54973fSEric Joyner ice_subif_setup_scctx(mif); 3421*9e54973fSEric Joyner 3422*9e54973fSEric Joyner return (0); 3423*9e54973fSEric Joyner } 3424*9e54973fSEric Joyner 3425*9e54973fSEric Joyner static int 3426*9e54973fSEric Joyner ice_subif_if_attach_post(if_ctx_t ctx __unused) 3427*9e54973fSEric Joyner { 3428*9e54973fSEric Joyner return (0); 3429*9e54973fSEric Joyner } 3430*9e54973fSEric Joyner 3431*9e54973fSEric Joyner /** 3432*9e54973fSEric Joyner * ice_destroy_mirror_interface - destroy mirror interface 3433*9e54973fSEric Joyner * @sc: driver private data 3434*9e54973fSEric Joyner * 3435*9e54973fSEric Joyner * Destroys all resources associated with the mirroring interface. 3436*9e54973fSEric Joyner * Will not exit early on failure. 3437*9e54973fSEric Joyner * 3438*9e54973fSEric Joyner * @pre: Mirror interface already exists and is initialized. 3439*9e54973fSEric Joyner */ 3440*9e54973fSEric Joyner void 3441*9e54973fSEric Joyner ice_destroy_mirror_interface(struct ice_softc *sc) 3442*9e54973fSEric Joyner { 3443*9e54973fSEric Joyner struct ice_mirr_if *mif = sc->mirr_if; 3444*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 3445*9e54973fSEric Joyner bool is_locked = false; 3446*9e54973fSEric Joyner int ret; 3447*9e54973fSEric Joyner 3448*9e54973fSEric Joyner is_locked = sx_xlocked(sc->iflib_ctx_lock); 3449*9e54973fSEric Joyner if (is_locked) 3450*9e54973fSEric Joyner IFLIB_CTX_UNLOCK(sc); 3451*9e54973fSEric Joyner 3452*9e54973fSEric Joyner if (mif->ifp) { 3453*9e54973fSEric Joyner ret = iflib_device_deregister(mif->subctx); 3454*9e54973fSEric Joyner if (ret) { 3455*9e54973fSEric Joyner device_printf(sc->dev, 3456*9e54973fSEric Joyner "iflib_device_deregister for mirror interface failed: %d\n", 3457*9e54973fSEric Joyner ret); 3458*9e54973fSEric Joyner } 3459*9e54973fSEric Joyner } 3460*9e54973fSEric Joyner 3461*9e54973fSEric Joyner bus_topo_lock(); 3462*9e54973fSEric Joyner ret = device_delete_child(sc->dev, mif->subdev); 3463*9e54973fSEric Joyner bus_topo_unlock(); 3464*9e54973fSEric Joyner if (ret) { 3465*9e54973fSEric Joyner device_printf(sc->dev, 3466*9e54973fSEric Joyner "device_delete_child for mirror interface failed: %d\n", 3467*9e54973fSEric Joyner ret); 3468*9e54973fSEric Joyner } 3469*9e54973fSEric Joyner 3470*9e54973fSEric Joyner if (is_locked) 3471*9e54973fSEric Joyner IFLIB_CTX_LOCK(sc); 3472*9e54973fSEric Joyner 3473*9e54973fSEric Joyner if (mif->if_imap) { 3474*9e54973fSEric Joyner free(mif->if_imap, M_ICE); 3475*9e54973fSEric Joyner mif->if_imap = NULL; 3476*9e54973fSEric Joyner } 3477*9e54973fSEric Joyner if (mif->os_imap) { 3478*9e54973fSEric Joyner free(mif->os_imap, M_ICE); 3479*9e54973fSEric Joyner mif->os_imap = NULL; 3480*9e54973fSEric Joyner } 3481*9e54973fSEric Joyner 3482*9e54973fSEric Joyner /* These are freed via ice_subif_queues_free_subif 3483*9e54973fSEric Joyner * vsi: 3484*9e54973fSEric Joyner * - rx_irqvs 3485*9e54973fSEric Joyner * - tx_queues 3486*9e54973fSEric Joyner * - rx_queues 3487*9e54973fSEric Joyner */ 3488*9e54973fSEric Joyner ice_release_vsi(vsi); 3489*9e54973fSEric Joyner 3490*9e54973fSEric Joyner free(mif, M_ICE); 3491*9e54973fSEric Joyner sc->mirr_if = NULL; 3492*9e54973fSEric Joyner 3493*9e54973fSEric Joyner } 3494*9e54973fSEric Joyner 3495*9e54973fSEric Joyner /** 3496*9e54973fSEric Joyner * ice_setup_mirror_vsi - Initialize mirror VSI 3497*9e54973fSEric Joyner * @mif: driver private data for mirror interface 3498*9e54973fSEric Joyner * 3499*9e54973fSEric Joyner * Allocates a VSI for a mirror interface, and sets that VSI up for use as a 3500*9e54973fSEric Joyner * mirror for the main PF VSI. 3501*9e54973fSEric Joyner * 3502*9e54973fSEric Joyner * Returns 0 on success, or a standard error code on failure. 3503*9e54973fSEric Joyner */ 3504*9e54973fSEric Joyner static int 3505*9e54973fSEric Joyner ice_setup_mirror_vsi(struct ice_mirr_if *mif) 3506*9e54973fSEric Joyner { 3507*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 3508*9e54973fSEric Joyner device_t dev = sc->dev; 3509*9e54973fSEric Joyner struct ice_vsi *vsi; 3510*9e54973fSEric Joyner int ret = 0; 3511*9e54973fSEric Joyner 3512*9e54973fSEric Joyner /* vsi is for the new mirror vsi, not the PF's main VSI */ 3513*9e54973fSEric Joyner vsi = ice_alloc_vsi(sc, ICE_VSI_VMDQ2); 3514*9e54973fSEric Joyner if (!vsi) { 3515*9e54973fSEric Joyner /* Already prints an error message */ 3516*9e54973fSEric Joyner return (ENOMEM); 3517*9e54973fSEric Joyner } 3518*9e54973fSEric Joyner mif->vsi = vsi; 3519*9e54973fSEric Joyner 3520*9e54973fSEric Joyner /* Reserve VSI queue allocation from PF queues */ 3521*9e54973fSEric Joyner ret = ice_alloc_vsi_qmap(vsi, ICE_DEFAULT_VF_QUEUES, ICE_DEFAULT_VF_QUEUES); 3522*9e54973fSEric Joyner if (ret) { 3523*9e54973fSEric Joyner device_printf(dev, "%s: Unable to allocate mirror VSI queue maps (%d queues): %s\n", 3524*9e54973fSEric Joyner __func__, ICE_DEFAULT_VF_QUEUES, ice_err_str(ret)); 3525*9e54973fSEric Joyner goto release_vsi; 3526*9e54973fSEric Joyner } 3527*9e54973fSEric Joyner vsi->num_tx_queues = vsi->num_rx_queues = ICE_DEFAULT_VF_QUEUES; 3528*9e54973fSEric Joyner 3529*9e54973fSEric Joyner /* Assign Tx queues from PF space */ 3530*9e54973fSEric Joyner ret = ice_resmgr_assign_scattered(&sc->tx_qmgr, vsi->tx_qmap, 3531*9e54973fSEric Joyner vsi->num_tx_queues); 3532*9e54973fSEric Joyner if (ret) { 3533*9e54973fSEric Joyner device_printf(dev, "Unable to assign mirror VSI Tx queues: %s\n", 3534*9e54973fSEric Joyner ice_err_str(ret)); 3535*9e54973fSEric Joyner goto release_vsi; 3536*9e54973fSEric Joyner } 3537*9e54973fSEric Joyner /* Assign Rx queues from PF space */ 3538*9e54973fSEric Joyner ret = ice_resmgr_assign_scattered(&sc->rx_qmgr, vsi->rx_qmap, 3539*9e54973fSEric Joyner vsi->num_rx_queues); 3540*9e54973fSEric Joyner if (ret) { 3541*9e54973fSEric Joyner device_printf(dev, "Unable to assign mirror VSI Rx queues: %s\n", 3542*9e54973fSEric Joyner ice_err_str(ret)); 3543*9e54973fSEric Joyner goto release_vsi; 3544*9e54973fSEric Joyner } 3545*9e54973fSEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_SCATTERED; 3546*9e54973fSEric Joyner vsi->max_frame_size = ICE_MAX_FRAME_SIZE; 3547*9e54973fSEric Joyner 3548*9e54973fSEric Joyner ret = ice_initialize_vsi(vsi); 3549*9e54973fSEric Joyner if (ret) { 3550*9e54973fSEric Joyner device_printf(dev, "%s: Error in ice_initialize_vsi for mirror VSI: %s\n", 3551*9e54973fSEric Joyner __func__, ice_err_str(ret)); 3552*9e54973fSEric Joyner goto release_vsi; 3553*9e54973fSEric Joyner } 3554*9e54973fSEric Joyner 3555*9e54973fSEric Joyner /* Setup this VSI for receiving traffic */ 3556*9e54973fSEric Joyner ret = ice_config_rss(vsi); 3557*9e54973fSEric Joyner if (ret) { 3558*9e54973fSEric Joyner device_printf(dev, 3559*9e54973fSEric Joyner "Unable to configure RSS for mirror VSI: %s\n", 3560*9e54973fSEric Joyner ice_err_str(ret)); 3561*9e54973fSEric Joyner goto release_vsi; 3562*9e54973fSEric Joyner } 3563*9e54973fSEric Joyner 3564*9e54973fSEric Joyner /* Set HW rules for mirroring traffic */ 3565*9e54973fSEric Joyner vsi->mirror_src_vsi = sc->pf_vsi.idx; 3566*9e54973fSEric Joyner 3567*9e54973fSEric Joyner ice_debug(&sc->hw, ICE_DBG_INIT, 3568*9e54973fSEric Joyner "Configuring mirroring from VSI %d to %d\n", 3569*9e54973fSEric Joyner vsi->mirror_src_vsi, vsi->idx); 3570*9e54973fSEric Joyner ice_debug(&sc->hw, ICE_DBG_INIT, "(HW num: VSI %d to %d)\n", 3571*9e54973fSEric Joyner ice_get_hw_vsi_num(&sc->hw, vsi->mirror_src_vsi), 3572*9e54973fSEric Joyner ice_get_hw_vsi_num(&sc->hw, vsi->idx)); 3573*9e54973fSEric Joyner 3574*9e54973fSEric Joyner ret = ice_setup_vsi_mirroring(vsi); 3575*9e54973fSEric Joyner if (ret) { 3576*9e54973fSEric Joyner device_printf(dev, 3577*9e54973fSEric Joyner "Unable to configure mirroring for VSI: %s\n", 3578*9e54973fSEric Joyner ice_err_str(ret)); 3579*9e54973fSEric Joyner goto release_vsi; 3580*9e54973fSEric Joyner } 3581*9e54973fSEric Joyner 3582*9e54973fSEric Joyner return (0); 3583*9e54973fSEric Joyner 3584*9e54973fSEric Joyner release_vsi: 3585*9e54973fSEric Joyner ice_release_vsi(vsi); 3586*9e54973fSEric Joyner mif->vsi = NULL; 3587*9e54973fSEric Joyner return (ret); 3588*9e54973fSEric Joyner } 3589*9e54973fSEric Joyner 3590*9e54973fSEric Joyner /** 3591*9e54973fSEric Joyner * ice_create_mirror_interface - Initialize mirror interface 3592*9e54973fSEric Joyner * @sc: driver private data 3593*9e54973fSEric Joyner * 3594*9e54973fSEric Joyner * Creates and sets up a mirror interface that will mirror traffic from 3595*9e54973fSEric Joyner * the main PF interface. Includes a call to iflib_device_register() in order 3596*9e54973fSEric Joyner * to setup necessary iflib structures for this new interface as well. 3597*9e54973fSEric Joyner * 3598*9e54973fSEric Joyner * If it returns successfully, a new interface will be created and will show 3599*9e54973fSEric Joyner * up in the ifconfig interface list. 3600*9e54973fSEric Joyner * 3601*9e54973fSEric Joyner * Returns 0 on success, or a standard error code on failure. 3602*9e54973fSEric Joyner */ 3603*9e54973fSEric Joyner int 3604*9e54973fSEric Joyner ice_create_mirror_interface(struct ice_softc *sc) 3605*9e54973fSEric Joyner { 3606*9e54973fSEric Joyner device_t dev = sc->dev; 3607*9e54973fSEric Joyner struct ice_mirr_if *mif; 3608*9e54973fSEric Joyner struct ifmedia *media; 3609*9e54973fSEric Joyner struct sbuf *sb; 3610*9e54973fSEric Joyner int ret = 0; 3611*9e54973fSEric Joyner 3612*9e54973fSEric Joyner mif = (struct ice_mirr_if *)malloc(sizeof(*mif), M_ICE, M_ZERO | M_NOWAIT); 3613*9e54973fSEric Joyner if (!mif) { 3614*9e54973fSEric Joyner device_printf(dev, "malloc() error allocating mirror interface\n"); 3615*9e54973fSEric Joyner return (ENOMEM); 3616*9e54973fSEric Joyner } 3617*9e54973fSEric Joyner 3618*9e54973fSEric Joyner /* Set pointers */ 3619*9e54973fSEric Joyner sc->mirr_if = mif; 3620*9e54973fSEric Joyner mif->back = sc; 3621*9e54973fSEric Joyner 3622*9e54973fSEric Joyner /* Do early setup because these will be called during iflib_device_register(): 3623*9e54973fSEric Joyner * - ice_subif_if_tx_queues_alloc 3624*9e54973fSEric Joyner * - ice_subif_if_rx_queues_alloc 3625*9e54973fSEric Joyner */ 3626*9e54973fSEric Joyner ret = ice_setup_mirror_vsi(mif); 3627*9e54973fSEric Joyner if (ret) 3628*9e54973fSEric Joyner goto out; 3629*9e54973fSEric Joyner 3630*9e54973fSEric Joyner /* Determine name for new interface: 3631*9e54973fSEric Joyner * (base interface name)(modifier name)(modifier unit number) 3632*9e54973fSEric Joyner * e.g. for ice0 with a new mirror interface (modifier m) 3633*9e54973fSEric Joyner * of index 0, this equals "ice0m0" 3634*9e54973fSEric Joyner */ 3635*9e54973fSEric Joyner sb = sbuf_new_auto(); 3636*9e54973fSEric Joyner MPASS(sb != NULL); 3637*9e54973fSEric Joyner sbuf_printf(sb, "%sm", device_get_nameunit(dev)); 3638*9e54973fSEric Joyner sbuf_finish(sb); 3639*9e54973fSEric Joyner 3640*9e54973fSEric Joyner bus_topo_lock(); 3641*9e54973fSEric Joyner mif->subdev = device_add_child(dev, sbuf_data(sb), 0); 3642*9e54973fSEric Joyner bus_topo_unlock(); 3643*9e54973fSEric Joyner 3644*9e54973fSEric Joyner if (!mif->subdev) { 3645*9e54973fSEric Joyner device_printf(dev, "device_add_child failed for %s0\n", sbuf_data(sb)); 3646*9e54973fSEric Joyner sbuf_delete(sb); 3647*9e54973fSEric Joyner free(mif, M_ICE); 3648*9e54973fSEric Joyner sc->mirr_if = NULL; 3649*9e54973fSEric Joyner return (ENOMEM); 3650*9e54973fSEric Joyner } 3651*9e54973fSEric Joyner sbuf_delete(sb); 3652*9e54973fSEric Joyner 3653*9e54973fSEric Joyner device_set_driver(mif->subdev, &ice_subif_driver); 3654*9e54973fSEric Joyner 3655*9e54973fSEric Joyner /* Use iflib_device_register() directly because the driver already 3656*9e54973fSEric Joyner * has an initialized softc to pass to iflib 3657*9e54973fSEric Joyner */ 3658*9e54973fSEric Joyner ret = iflib_device_register(mif->subdev, mif, &ice_subif_sctx, &mif->subctx); 3659*9e54973fSEric Joyner if (ret) 3660*9e54973fSEric Joyner goto out; 3661*9e54973fSEric Joyner 3662*9e54973fSEric Joyner /* Indicate that created interface will be just for monitoring */ 3663*9e54973fSEric Joyner mif->ifp = iflib_get_ifp(mif->subctx); 3664*9e54973fSEric Joyner if_setflagbits(mif->ifp, IFF_MONITOR, 0); 3665*9e54973fSEric Joyner 3666*9e54973fSEric Joyner /* Use autoselect media by default */ 3667*9e54973fSEric Joyner media = iflib_get_media(mif->subctx); 3668*9e54973fSEric Joyner ifmedia_add(media, IFM_ETHER | IFM_AUTO, 0, NULL); 3669*9e54973fSEric Joyner ifmedia_set(media, IFM_ETHER | IFM_AUTO); 3670*9e54973fSEric Joyner 3671*9e54973fSEric Joyner device_printf(dev, "Created dev %s and ifnet %s for mirroring\n", 3672*9e54973fSEric Joyner device_get_nameunit(mif->subdev), if_name(mif->ifp)); 3673*9e54973fSEric Joyner 3674*9e54973fSEric Joyner ice_add_vsi_sysctls(mif->vsi); 3675*9e54973fSEric Joyner 3676*9e54973fSEric Joyner ret = ice_wire_mirror_intrs(mif); 3677*9e54973fSEric Joyner if (ret) 3678*9e54973fSEric Joyner goto out; 3679*9e54973fSEric Joyner 3680*9e54973fSEric Joyner mif->if_attached = true; 3681*9e54973fSEric Joyner return (0); 3682*9e54973fSEric Joyner 3683*9e54973fSEric Joyner out: 3684*9e54973fSEric Joyner ice_destroy_mirror_interface(sc); 3685*9e54973fSEric Joyner return (ret); 3686*9e54973fSEric Joyner } 3687*9e54973fSEric Joyner 3688*9e54973fSEric Joyner /** 3689*9e54973fSEric Joyner * ice_wire_mirror_intrs 3690*9e54973fSEric Joyner * @mif: driver private subinterface structure 3691*9e54973fSEric Joyner * 3692*9e54973fSEric Joyner * Helper function that sets up driver interrupt data and calls 3693*9e54973fSEric Joyner * into iflib in order to setup interrupts in its data structures as well. 3694*9e54973fSEric Joyner * 3695*9e54973fSEric Joyner * Like ice_if_msix_intr_assign, currently requires that we get at least the same 3696*9e54973fSEric Joyner * number of vectors as we have queues, and that we always have the same number 3697*9e54973fSEric Joyner * of Tx and Rx queues. Unlike that function, this calls a special 3698*9e54973fSEric Joyner * iflib_irq_alloc_generic_subif() function for RX interrupts because the 3699*9e54973fSEric Joyner * driver needs to get MSI-X resources from the parent device. 3700*9e54973fSEric Joyner * 3701*9e54973fSEric Joyner * Tx queues use a softirq instead of using their own hardware interrupt so that 3702*9e54973fSEric Joyner * remains unchanged. 3703*9e54973fSEric Joyner * 3704*9e54973fSEric Joyner * Returns 0 on success or an error code from iflib_irq_alloc_generic_subctx() 3705*9e54973fSEric Joyner * on failure. 3706*9e54973fSEric Joyner */ 3707*9e54973fSEric Joyner static int 3708*9e54973fSEric Joyner ice_wire_mirror_intrs(struct ice_mirr_if *mif) 3709*9e54973fSEric Joyner { 3710*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 3711*9e54973fSEric Joyner struct ice_hw *hw = &sc->hw; 3712*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 3713*9e54973fSEric Joyner device_t dev = mif->subdev; 3714*9e54973fSEric Joyner int err, i, rid; 3715*9e54973fSEric Joyner 3716*9e54973fSEric Joyner if_ctx_t ctx = mif->subctx; 3717*9e54973fSEric Joyner 3718*9e54973fSEric Joyner ice_debug(hw, ICE_DBG_INIT, "%s: Last rid: %d\n", __func__, sc->last_rid); 3719*9e54973fSEric Joyner 3720*9e54973fSEric Joyner rid = sc->last_rid + 1; 3721*9e54973fSEric Joyner for (i = 0; i < vsi->num_rx_queues; i++, rid++) { 3722*9e54973fSEric Joyner struct ice_rx_queue *rxq = &vsi->rx_queues[i]; 3723*9e54973fSEric Joyner struct ice_tx_queue *txq = &vsi->tx_queues[i]; 3724*9e54973fSEric Joyner char irq_name[16]; 3725*9e54973fSEric Joyner 3726*9e54973fSEric Joyner // TODO: Change to use dynamic interface number 3727*9e54973fSEric Joyner snprintf(irq_name, sizeof(irq_name), "m0rxq%d", i); 3728*9e54973fSEric Joyner /* First arg is parent device (physical port's) iflib ctx */ 3729*9e54973fSEric Joyner err = iflib_irq_alloc_generic_subctx(sc->ctx, ctx, 3730*9e54973fSEric Joyner &mif->rx_irqvs[i].irq, rid, IFLIB_INTR_RXTX, ice_msix_que, 3731*9e54973fSEric Joyner rxq, rxq->me, irq_name); 3732*9e54973fSEric Joyner if (err) { 3733*9e54973fSEric Joyner device_printf(dev, 3734*9e54973fSEric Joyner "Failed to allocate q int %d err: %s\n", 3735*9e54973fSEric Joyner i, ice_err_str(err)); 3736*9e54973fSEric Joyner i--; 3737*9e54973fSEric Joyner goto fail; 3738*9e54973fSEric Joyner } 3739*9e54973fSEric Joyner MPASS(rid - 1 > 0); 3740*9e54973fSEric Joyner /* Set vector number used in interrupt enable/disable functions */ 3741*9e54973fSEric Joyner mif->rx_irqvs[i].me = rid - 1; 3742*9e54973fSEric Joyner rxq->irqv = &mif->rx_irqvs[i]; 3743*9e54973fSEric Joyner 3744*9e54973fSEric Joyner bzero(irq_name, sizeof(irq_name)); 3745*9e54973fSEric Joyner snprintf(irq_name, sizeof(irq_name), "m0txq%d", i); 3746*9e54973fSEric Joyner iflib_softirq_alloc_generic(ctx, &mif->rx_irqvs[i].irq, 3747*9e54973fSEric Joyner IFLIB_INTR_TX, txq, txq->me, irq_name); 3748*9e54973fSEric Joyner txq->irqv = &mif->rx_irqvs[i]; 3749*9e54973fSEric Joyner } 3750*9e54973fSEric Joyner 3751*9e54973fSEric Joyner sc->last_rid = rid - 1; 3752*9e54973fSEric Joyner 3753*9e54973fSEric Joyner ice_debug(hw, ICE_DBG_INIT, "%s: New last rid: %d\n", __func__, 3754*9e54973fSEric Joyner sc->last_rid); 3755*9e54973fSEric Joyner 3756*9e54973fSEric Joyner return (0); 3757*9e54973fSEric Joyner 3758*9e54973fSEric Joyner fail: 3759*9e54973fSEric Joyner for (; i >= 0; i--) 3760*9e54973fSEric Joyner iflib_irq_free(ctx, &mif->rx_irqvs[i].irq); 3761*9e54973fSEric Joyner return (err); 3762*9e54973fSEric Joyner } 3763*9e54973fSEric Joyner 3764*9e54973fSEric Joyner /** 3765*9e54973fSEric Joyner * ice_subif_rebuild - Rebuild subinterface post reset 3766*9e54973fSEric Joyner * @sc: The device private softc 3767*9e54973fSEric Joyner * 3768*9e54973fSEric Joyner * Restore subinterface state after a reset occurred. 3769*9e54973fSEric Joyner * Restart the VSI and enable the mirroring. 3770*9e54973fSEric Joyner */ 3771*9e54973fSEric Joyner static int 3772*9e54973fSEric Joyner ice_subif_rebuild(struct ice_softc *sc) 3773*9e54973fSEric Joyner { 3774*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(sc->ctx); 3775*9e54973fSEric Joyner struct ice_vsi *vsi = sc->mirr_if->vsi; 3776*9e54973fSEric Joyner int err; 3777*9e54973fSEric Joyner 3778*9e54973fSEric Joyner err = ice_subif_rebuild_vsi_qmap(sc); 3779*9e54973fSEric Joyner if (err) { 3780*9e54973fSEric Joyner device_printf(sc->dev, "Unable to re-assign mirror VSI queues, err %s\n", 3781*9e54973fSEric Joyner ice_err_str(err)); 3782*9e54973fSEric Joyner return (err); 3783*9e54973fSEric Joyner } 3784*9e54973fSEric Joyner 3785*9e54973fSEric Joyner err = ice_initialize_vsi(vsi); 3786*9e54973fSEric Joyner if (err) { 3787*9e54973fSEric Joyner device_printf(sc->dev, "Unable to re-initialize mirror VSI, err %s\n", 3788*9e54973fSEric Joyner ice_err_str(err)); 3789*9e54973fSEric Joyner goto err_release_queue_allocations_subif; 3790*9e54973fSEric Joyner } 3791*9e54973fSEric Joyner 3792*9e54973fSEric Joyner err = ice_config_rss(vsi); 3793*9e54973fSEric Joyner if (err) { 3794*9e54973fSEric Joyner device_printf(sc->dev, 3795*9e54973fSEric Joyner "Unable to reconfigure RSS for the mirror VSI, err %s\n", 3796*9e54973fSEric Joyner ice_err_str(err)); 3797*9e54973fSEric Joyner goto err_deinit_subif_vsi; 3798*9e54973fSEric Joyner } 3799*9e54973fSEric Joyner 3800*9e54973fSEric Joyner vsi->mirror_src_vsi = sc->pf_vsi.idx; 3801*9e54973fSEric Joyner 3802*9e54973fSEric Joyner err = ice_setup_vsi_mirroring(vsi); 3803*9e54973fSEric Joyner if (err) { 3804*9e54973fSEric Joyner device_printf(sc->dev, 3805*9e54973fSEric Joyner "Unable to configure mirroring for VSI: %s\n", 3806*9e54973fSEric Joyner ice_err_str(err)); 3807*9e54973fSEric Joyner goto err_deinit_subif_vsi; 3808*9e54973fSEric Joyner } 3809*9e54973fSEric Joyner 3810*9e54973fSEric Joyner ice_set_state(&mif->state, ICE_STATE_SUBIF_NEEDS_REINIT); 3811*9e54973fSEric Joyner 3812*9e54973fSEric Joyner return (0); 3813*9e54973fSEric Joyner 3814*9e54973fSEric Joyner err_deinit_subif_vsi: 3815*9e54973fSEric Joyner ice_deinit_vsi(vsi); 3816*9e54973fSEric Joyner err_release_queue_allocations_subif: 3817*9e54973fSEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, vsi->tx_qmap, 3818*9e54973fSEric Joyner sc->mirr_if->num_irq_vectors); 3819*9e54973fSEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, vsi->rx_qmap, 3820*9e54973fSEric Joyner sc->mirr_if->num_irq_vectors); 3821*9e54973fSEric Joyner 3822*9e54973fSEric Joyner return (err); 3823*9e54973fSEric Joyner } 3824*9e54973fSEric Joyner 3825*9e54973fSEric Joyner /** 3826*9e54973fSEric Joyner * ice_subif_rebuild_vsi_qmap - Rebuild the mirror VSI queue mapping 3827*9e54973fSEric Joyner * @sc: the device softc pointer 3828*9e54973fSEric Joyner * 3829*9e54973fSEric Joyner * Loops over the Tx and Rx queues for the mirror VSI and reassigns the queue 3830*9e54973fSEric Joyner * mapping after a reset occurred. 3831*9e54973fSEric Joyner */ 3832*9e54973fSEric Joyner static int 3833*9e54973fSEric Joyner ice_subif_rebuild_vsi_qmap(struct ice_softc *sc) 3834*9e54973fSEric Joyner { 3835*9e54973fSEric Joyner struct ice_vsi *vsi = sc->mirr_if->vsi; 3836*9e54973fSEric Joyner struct ice_tx_queue *txq; 3837*9e54973fSEric Joyner struct ice_rx_queue *rxq; 3838*9e54973fSEric Joyner int err, i; 3839*9e54973fSEric Joyner 3840*9e54973fSEric Joyner err = ice_resmgr_assign_scattered(&sc->tx_qmgr, vsi->tx_qmap, sc->mirr_if->num_irq_vectors); 3841*9e54973fSEric Joyner if (err) { 3842*9e54973fSEric Joyner device_printf(sc->dev, "Unable to assign mirror VSI Tx queues: %s\n", 3843*9e54973fSEric Joyner ice_err_str(err)); 3844*9e54973fSEric Joyner return (err); 3845*9e54973fSEric Joyner } 3846*9e54973fSEric Joyner 3847*9e54973fSEric Joyner err = ice_resmgr_assign_scattered(&sc->rx_qmgr, vsi->rx_qmap, sc->mirr_if->num_irq_vectors); 3848*9e54973fSEric Joyner if (err) { 3849*9e54973fSEric Joyner device_printf(sc->dev, "Unable to assign mirror VSI Rx queues: %s\n", 3850*9e54973fSEric Joyner ice_err_str(err)); 3851*9e54973fSEric Joyner goto err_release_tx_queues; 3852*9e54973fSEric Joyner } 3853*9e54973fSEric Joyner 3854*9e54973fSEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_SCATTERED; 3855*9e54973fSEric Joyner 3856*9e54973fSEric Joyner /* Re-assign Tx queue tail pointers */ 3857*9e54973fSEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) 3858*9e54973fSEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 3859*9e54973fSEric Joyner 3860*9e54973fSEric Joyner /* Re-assign Rx queue tail pointers */ 3861*9e54973fSEric Joyner for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) 3862*9e54973fSEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 3863*9e54973fSEric Joyner 3864*9e54973fSEric Joyner return (0); 3865*9e54973fSEric Joyner 3866*9e54973fSEric Joyner err_release_tx_queues: 3867*9e54973fSEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, vsi->tx_qmap, vsi->num_tx_queues); 3868*9e54973fSEric Joyner 3869*9e54973fSEric Joyner return (err); 3870*9e54973fSEric Joyner } 3871*9e54973fSEric Joyner 3872*9e54973fSEric Joyner /** 3873*9e54973fSEric Joyner * ice_subif_if_tx_queues_alloc - Allocate Tx queue memory for subinterfaces 3874*9e54973fSEric Joyner * @ctx: iflib context structure 3875*9e54973fSEric Joyner * @vaddrs: virtual addresses for the queue memory 3876*9e54973fSEric Joyner * @paddrs: physical addresses for the queue memory 3877*9e54973fSEric Joyner * @ntxqs: the number of Tx queues per set (should always be 1) 3878*9e54973fSEric Joyner * @ntxqsets: the number of Tx queue sets to allocate 3879*9e54973fSEric Joyner * 3880*9e54973fSEric Joyner * See ice_if_tx_queues_alloc() description. Similar to that function, but 3881*9e54973fSEric Joyner * for subinterfaces instead. 3882*9e54973fSEric Joyner */ 3883*9e54973fSEric Joyner static int 3884*9e54973fSEric Joyner ice_subif_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 3885*9e54973fSEric Joyner int __invariant_only ntxqs, int ntxqsets) 3886*9e54973fSEric Joyner { 3887*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 3888*9e54973fSEric Joyner struct ice_tx_queue *txq; 3889*9e54973fSEric Joyner device_t dev = mif->subdev; 3890*9e54973fSEric Joyner struct ice_vsi *vsi; 3891*9e54973fSEric Joyner int err, i, j; 3892*9e54973fSEric Joyner 3893*9e54973fSEric Joyner MPASS(mif != NULL); 3894*9e54973fSEric Joyner MPASS(ntxqs == 1); 3895*9e54973fSEric Joyner MPASS(mif->subscctx->isc_ntxd[0] <= ICE_MAX_DESC_COUNT); 3896*9e54973fSEric Joyner 3897*9e54973fSEric Joyner vsi = mif->vsi; 3898*9e54973fSEric Joyner 3899*9e54973fSEric Joyner MPASS(vsi->num_tx_queues == ntxqsets); 3900*9e54973fSEric Joyner 3901*9e54973fSEric Joyner /* Allocate queue structure memory */ 3902*9e54973fSEric Joyner if (!(vsi->tx_queues = 3903*9e54973fSEric Joyner (struct ice_tx_queue *)malloc(sizeof(struct ice_tx_queue) * ntxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 3904*9e54973fSEric Joyner device_printf(dev, "%s: Unable to allocate Tx queue memory for subfunction\n", 3905*9e54973fSEric Joyner __func__); 3906*9e54973fSEric Joyner return (ENOMEM); 3907*9e54973fSEric Joyner } 3908*9e54973fSEric Joyner 3909*9e54973fSEric Joyner /* Allocate report status arrays */ 3910*9e54973fSEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 3911*9e54973fSEric Joyner if (!(txq->tx_rsq = 3912*9e54973fSEric Joyner (uint16_t *)malloc(sizeof(uint16_t) * mif->subscctx->isc_ntxd[0], M_ICE, M_NOWAIT))) { 3913*9e54973fSEric Joyner device_printf(dev, 3914*9e54973fSEric Joyner "%s: Unable to allocate tx_rsq memory for subfunction\n", __func__); 3915*9e54973fSEric Joyner err = ENOMEM; 3916*9e54973fSEric Joyner goto free_tx_queues; 3917*9e54973fSEric Joyner } 3918*9e54973fSEric Joyner /* Initialize report status array */ 3919*9e54973fSEric Joyner for (j = 0; j < mif->subscctx->isc_ntxd[0]; j++) 3920*9e54973fSEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 3921*9e54973fSEric Joyner } 3922*9e54973fSEric Joyner 3923*9e54973fSEric Joyner /* Add Tx queue sysctls context */ 3924*9e54973fSEric Joyner ice_vsi_add_txqs_ctx(vsi); 3925*9e54973fSEric Joyner 3926*9e54973fSEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 3927*9e54973fSEric Joyner /* q_handle == me when only one TC */ 3928*9e54973fSEric Joyner txq->me = txq->q_handle = i; 3929*9e54973fSEric Joyner txq->vsi = vsi; 3930*9e54973fSEric Joyner 3931*9e54973fSEric Joyner /* store the queue size for easier access */ 3932*9e54973fSEric Joyner txq->desc_count = mif->subscctx->isc_ntxd[0]; 3933*9e54973fSEric Joyner 3934*9e54973fSEric Joyner /* get the virtual and physical address of the hardware queues */ 3935*9e54973fSEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 3936*9e54973fSEric Joyner txq->tx_base = (struct ice_tx_desc *)vaddrs[i]; 3937*9e54973fSEric Joyner txq->tx_paddr = paddrs[i]; 3938*9e54973fSEric Joyner 3939*9e54973fSEric Joyner ice_add_txq_sysctls(txq); 3940*9e54973fSEric Joyner } 3941*9e54973fSEric Joyner 3942*9e54973fSEric Joyner return (0); 3943*9e54973fSEric Joyner 3944*9e54973fSEric Joyner free_tx_queues: 3945*9e54973fSEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 3946*9e54973fSEric Joyner if (txq->tx_rsq != NULL) { 3947*9e54973fSEric Joyner free(txq->tx_rsq, M_ICE); 3948*9e54973fSEric Joyner txq->tx_rsq = NULL; 3949*9e54973fSEric Joyner } 3950*9e54973fSEric Joyner } 3951*9e54973fSEric Joyner free(vsi->tx_queues, M_ICE); 3952*9e54973fSEric Joyner vsi->tx_queues = NULL; 3953*9e54973fSEric Joyner return (err); 3954*9e54973fSEric Joyner } 3955*9e54973fSEric Joyner 3956*9e54973fSEric Joyner /** 3957*9e54973fSEric Joyner * ice_subif_if_rx_queues_alloc - Allocate Rx queue memory for subinterfaces 3958*9e54973fSEric Joyner * @ctx: iflib context structure 3959*9e54973fSEric Joyner * @vaddrs: virtual addresses for the queue memory 3960*9e54973fSEric Joyner * @paddrs: physical addresses for the queue memory 3961*9e54973fSEric Joyner * @nrxqs: number of Rx queues per set (should always be 1) 3962*9e54973fSEric Joyner * @nrxqsets: number of Rx queue sets to allocate 3963*9e54973fSEric Joyner * 3964*9e54973fSEric Joyner * See ice_if_rx_queues_alloc() for general summary; this is similar to that 3965*9e54973fSEric Joyner * but implemented for subinterfaces. 3966*9e54973fSEric Joyner */ 3967*9e54973fSEric Joyner static int 3968*9e54973fSEric Joyner ice_subif_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 3969*9e54973fSEric Joyner int __invariant_only nrxqs, int nrxqsets) 3970*9e54973fSEric Joyner { 3971*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 3972*9e54973fSEric Joyner struct ice_rx_queue *rxq; 3973*9e54973fSEric Joyner device_t dev = mif->subdev; 3974*9e54973fSEric Joyner struct ice_vsi *vsi; 3975*9e54973fSEric Joyner int i; 3976*9e54973fSEric Joyner 3977*9e54973fSEric Joyner MPASS(mif != NULL); 3978*9e54973fSEric Joyner MPASS(nrxqs == 1); 3979*9e54973fSEric Joyner MPASS(mif->subscctx->isc_nrxd[0] <= ICE_MAX_DESC_COUNT); 3980*9e54973fSEric Joyner 3981*9e54973fSEric Joyner vsi = mif->vsi; 3982*9e54973fSEric Joyner 3983*9e54973fSEric Joyner MPASS(vsi->num_rx_queues == nrxqsets); 3984*9e54973fSEric Joyner 3985*9e54973fSEric Joyner /* Allocate queue structure memory */ 3986*9e54973fSEric Joyner if (!(vsi->rx_queues = 3987*9e54973fSEric Joyner (struct ice_rx_queue *) malloc(sizeof(struct ice_rx_queue) * nrxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 3988*9e54973fSEric Joyner device_printf(dev, "%s: Unable to allocate Rx queue memory for subfunction\n", 3989*9e54973fSEric Joyner __func__); 3990*9e54973fSEric Joyner return (ENOMEM); 3991*9e54973fSEric Joyner } 3992*9e54973fSEric Joyner 3993*9e54973fSEric Joyner /* Add Rx queue sysctls context */ 3994*9e54973fSEric Joyner ice_vsi_add_rxqs_ctx(vsi); 3995*9e54973fSEric Joyner 3996*9e54973fSEric Joyner for (i = 0, rxq = vsi->rx_queues; i < nrxqsets; i++, rxq++) { 3997*9e54973fSEric Joyner rxq->me = i; 3998*9e54973fSEric Joyner rxq->vsi = vsi; 3999*9e54973fSEric Joyner 4000*9e54973fSEric Joyner /* store the queue size for easier access */ 4001*9e54973fSEric Joyner rxq->desc_count = mif->subscctx->isc_nrxd[0]; 4002*9e54973fSEric Joyner 4003*9e54973fSEric Joyner /* get the virtual and physical address of the hardware queues */ 4004*9e54973fSEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 4005*9e54973fSEric Joyner rxq->rx_base = (union ice_32b_rx_flex_desc *)vaddrs[i]; 4006*9e54973fSEric Joyner rxq->rx_paddr = paddrs[i]; 4007*9e54973fSEric Joyner 4008*9e54973fSEric Joyner ice_add_rxq_sysctls(rxq); 4009*9e54973fSEric Joyner } 4010*9e54973fSEric Joyner 4011*9e54973fSEric Joyner return (0); 4012*9e54973fSEric Joyner } 4013*9e54973fSEric Joyner 4014*9e54973fSEric Joyner /** 4015*9e54973fSEric Joyner * ice_subif_if_msix_intr_assign - Assign MSI-X interrupts to new sub interface 4016*9e54973fSEric Joyner * @ctx: the iflib context structure 4017*9e54973fSEric Joyner * @msix: the number of vectors we were assigned 4018*9e54973fSEric Joyner * 4019*9e54973fSEric Joyner * Allocates and assigns driver private resources for MSI-X interrupt tracking. 4020*9e54973fSEric Joyner * 4021*9e54973fSEric Joyner * @pre OS MSI-X resources have been pre-allocated by parent interface. 4022*9e54973fSEric Joyner */ 4023*9e54973fSEric Joyner static int 4024*9e54973fSEric Joyner ice_subif_if_msix_intr_assign(if_ctx_t ctx, int msix) 4025*9e54973fSEric Joyner { 4026*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4027*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4028*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4029*9e54973fSEric Joyner 4030*9e54973fSEric Joyner device_t dev = mif->subdev; 4031*9e54973fSEric Joyner int ret; 4032*9e54973fSEric Joyner 4033*9e54973fSEric Joyner if (vsi->num_rx_queues != vsi->num_tx_queues) { 4034*9e54973fSEric Joyner device_printf(dev, 4035*9e54973fSEric Joyner "iflib requested %d Tx queues, and %d Rx queues, but the driver isn't able to support a differing number of Tx and Rx queues\n", 4036*9e54973fSEric Joyner vsi->num_tx_queues, vsi->num_rx_queues); 4037*9e54973fSEric Joyner return (EOPNOTSUPP); 4038*9e54973fSEric Joyner } 4039*9e54973fSEric Joyner 4040*9e54973fSEric Joyner if (msix > sc->extra_vectors) { 4041*9e54973fSEric Joyner device_printf(dev, 4042*9e54973fSEric Joyner "%s: Not enough spare (%d) msix vectors for new sub-interface requested (%d)\n", 4043*9e54973fSEric Joyner __func__, sc->extra_vectors, msix); 4044*9e54973fSEric Joyner return (ENOSPC); 4045*9e54973fSEric Joyner } 4046*9e54973fSEric Joyner device_printf(dev, "%s: Using %d vectors for sub-interface\n", __func__, 4047*9e54973fSEric Joyner msix); 4048*9e54973fSEric Joyner 4049*9e54973fSEric Joyner /* Allocate space to store the IRQ vector data */ 4050*9e54973fSEric Joyner mif->num_irq_vectors = vsi->num_rx_queues; 4051*9e54973fSEric Joyner mif->rx_irqvs = (struct ice_irq_vector *) 4052*9e54973fSEric Joyner malloc(sizeof(struct ice_irq_vector) * (mif->num_irq_vectors), 4053*9e54973fSEric Joyner M_ICE, M_NOWAIT); 4054*9e54973fSEric Joyner if (!mif->rx_irqvs) { 4055*9e54973fSEric Joyner device_printf(dev, 4056*9e54973fSEric Joyner "Unable to allocate RX irqv memory for mirror's %d vectors\n", 4057*9e54973fSEric Joyner mif->num_irq_vectors); 4058*9e54973fSEric Joyner return (ENOMEM); 4059*9e54973fSEric Joyner } 4060*9e54973fSEric Joyner 4061*9e54973fSEric Joyner /* Assign mirror interface interrupts from PF device space */ 4062*9e54973fSEric Joyner if (!(mif->if_imap = 4063*9e54973fSEric Joyner (u16 *)malloc(sizeof(u16) * mif->num_irq_vectors, 4064*9e54973fSEric Joyner M_ICE, M_NOWAIT))) { 4065*9e54973fSEric Joyner device_printf(dev, "Unable to allocate mirror intfc if_imap memory\n"); 4066*9e54973fSEric Joyner ret = ENOMEM; 4067*9e54973fSEric Joyner goto free_irqvs; 4068*9e54973fSEric Joyner } 4069*9e54973fSEric Joyner ret = ice_resmgr_assign_contiguous(&sc->dev_imgr, mif->if_imap, mif->num_irq_vectors); 4070*9e54973fSEric Joyner if (ret) { 4071*9e54973fSEric Joyner device_printf(dev, "Unable to assign mirror intfc PF device interrupt mapping: %s\n", 4072*9e54973fSEric Joyner ice_err_str(ret)); 4073*9e54973fSEric Joyner goto free_if_imap; 4074*9e54973fSEric Joyner } 4075*9e54973fSEric Joyner /* Assign mirror interface interrupts from OS interrupt allocation space */ 4076*9e54973fSEric Joyner if (!(mif->os_imap = 4077*9e54973fSEric Joyner (u16 *)malloc(sizeof(u16) * mif->num_irq_vectors, 4078*9e54973fSEric Joyner M_ICE, M_NOWAIT))) { 4079*9e54973fSEric Joyner device_printf(dev, "Unable to allocate mirror intfc os_imap memory\n"); 4080*9e54973fSEric Joyner ret = ENOMEM; 4081*9e54973fSEric Joyner goto free_if_imap; 4082*9e54973fSEric Joyner } 4083*9e54973fSEric Joyner ret = ice_resmgr_assign_contiguous(&sc->os_imgr, mif->os_imap, mif->num_irq_vectors); 4084*9e54973fSEric Joyner if (ret) { 4085*9e54973fSEric Joyner device_printf(dev, "Unable to assign mirror intfc OS interrupt mapping: %s\n", 4086*9e54973fSEric Joyner ice_err_str(ret)); 4087*9e54973fSEric Joyner goto free_if_imap; 4088*9e54973fSEric Joyner } 4089*9e54973fSEric Joyner 4090*9e54973fSEric Joyner return (0); 4091*9e54973fSEric Joyner 4092*9e54973fSEric Joyner free_if_imap: 4093*9e54973fSEric Joyner free(mif->if_imap, M_ICE); 4094*9e54973fSEric Joyner mif->if_imap = NULL; 4095*9e54973fSEric Joyner free_irqvs: 4096*9e54973fSEric Joyner free(mif->rx_irqvs, M_ICE); 4097*9e54973fSEric Joyner mif->rx_irqvs = NULL; 4098*9e54973fSEric Joyner return (ret); 4099*9e54973fSEric Joyner } 4100*9e54973fSEric Joyner 4101*9e54973fSEric Joyner /** 4102*9e54973fSEric Joyner * ice_subif_if_intr_enable - Enable device interrupts for a subinterface 4103*9e54973fSEric Joyner * @ctx: iflib context structure 4104*9e54973fSEric Joyner * 4105*9e54973fSEric Joyner * Called by iflib to request enabling all interrupts that belong to a 4106*9e54973fSEric Joyner * subinterface. 4107*9e54973fSEric Joyner */ 4108*9e54973fSEric Joyner static void 4109*9e54973fSEric Joyner ice_subif_if_intr_enable(if_ctx_t ctx) 4110*9e54973fSEric Joyner { 4111*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4112*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4113*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4114*9e54973fSEric Joyner struct ice_hw *hw = &sc->hw; 4115*9e54973fSEric Joyner 4116*9e54973fSEric Joyner /* Do not enable queue interrupts in recovery mode */ 4117*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 4118*9e54973fSEric Joyner return; 4119*9e54973fSEric Joyner 4120*9e54973fSEric Joyner /* Enable all queue interrupts */ 4121*9e54973fSEric Joyner for (int i = 0; i < vsi->num_rx_queues; i++) 4122*9e54973fSEric Joyner ice_enable_intr(hw, vsi->rx_queues[i].irqv->me); 4123*9e54973fSEric Joyner } 4124*9e54973fSEric Joyner 4125*9e54973fSEric Joyner /** 4126*9e54973fSEric Joyner * ice_subif_if_rx_queue_intr_enable - Enable a specific Rx queue interrupt 4127*9e54973fSEric Joyner * @ctx: iflib context structure 4128*9e54973fSEric Joyner * @rxqid: the Rx queue to enable 4129*9e54973fSEric Joyner * 4130*9e54973fSEric Joyner * Enable a specific Rx queue interrupt. 4131*9e54973fSEric Joyner * 4132*9e54973fSEric Joyner * This function is not protected by the iflib CTX lock. 4133*9e54973fSEric Joyner */ 4134*9e54973fSEric Joyner static int 4135*9e54973fSEric Joyner ice_subif_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 4136*9e54973fSEric Joyner { 4137*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4138*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4139*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4140*9e54973fSEric Joyner struct ice_hw *hw = &sc->hw; 4141*9e54973fSEric Joyner 4142*9e54973fSEric Joyner /* Do not enable queue interrupts in recovery mode */ 4143*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 4144*9e54973fSEric Joyner return (ENOSYS); 4145*9e54973fSEric Joyner 4146*9e54973fSEric Joyner ice_enable_intr(hw, vsi->rx_queues[rxqid].irqv->me); 4147*9e54973fSEric Joyner return (0); 4148*9e54973fSEric Joyner } 4149*9e54973fSEric Joyner 4150*9e54973fSEric Joyner /** 4151*9e54973fSEric Joyner * ice_subif_if_tx_queue_intr_enable - Enable a specific Tx queue interrupt 4152*9e54973fSEric Joyner * @ctx: iflib context structure 4153*9e54973fSEric Joyner * @txqid: the Tx queue to enable 4154*9e54973fSEric Joyner * 4155*9e54973fSEric Joyner * Enable a specific Tx queue interrupt. 4156*9e54973fSEric Joyner * 4157*9e54973fSEric Joyner * This function is not protected by the iflib CTX lock. 4158*9e54973fSEric Joyner */ 4159*9e54973fSEric Joyner static int 4160*9e54973fSEric Joyner ice_subif_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 4161*9e54973fSEric Joyner { 4162*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4163*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4164*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4165*9e54973fSEric Joyner struct ice_hw *hw = &sc->hw; 4166*9e54973fSEric Joyner 4167*9e54973fSEric Joyner /* Do not enable queue interrupts in recovery mode */ 4168*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 4169*9e54973fSEric Joyner return (ENOSYS); 4170*9e54973fSEric Joyner 4171*9e54973fSEric Joyner ice_enable_intr(hw, vsi->tx_queues[txqid].irqv->me); 4172*9e54973fSEric Joyner return (0); 4173*9e54973fSEric Joyner } 4174*9e54973fSEric Joyner 4175*9e54973fSEric Joyner /** 4176*9e54973fSEric Joyner * ice_subif_if_init - Initialize the subinterface 4177*9e54973fSEric Joyner * @ctx: iflib ctx structure 4178*9e54973fSEric Joyner * 4179*9e54973fSEric Joyner * Called by iflib to bring the device up, i.e. ifconfig ice0m0 up. 4180*9e54973fSEric Joyner * Prepares the Tx and Rx engines and enables interrupts. 4181*9e54973fSEric Joyner * 4182*9e54973fSEric Joyner * @pre assumes the caller holds the iflib CTX lock 4183*9e54973fSEric Joyner */ 4184*9e54973fSEric Joyner static void 4185*9e54973fSEric Joyner ice_subif_if_init(if_ctx_t ctx) 4186*9e54973fSEric Joyner { 4187*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4188*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4189*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4190*9e54973fSEric Joyner device_t dev = mif->subdev; 4191*9e54973fSEric Joyner int err; 4192*9e54973fSEric Joyner 4193*9e54973fSEric Joyner if (ice_driver_is_detaching(sc)) 4194*9e54973fSEric Joyner return; 4195*9e54973fSEric Joyner 4196*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 4197*9e54973fSEric Joyner return; 4198*9e54973fSEric Joyner 4199*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 4200*9e54973fSEric Joyner device_printf(dev, 4201*9e54973fSEric Joyner "request to start interface cannot be completed as the parent device %s failed to reset\n", 4202*9e54973fSEric Joyner device_get_nameunit(sc->dev)); 4203*9e54973fSEric Joyner return; 4204*9e54973fSEric Joyner } 4205*9e54973fSEric Joyner 4206*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 4207*9e54973fSEric Joyner device_printf(dev, 4208*9e54973fSEric Joyner "request to start interface cannot be completed while parent device %s is prepared for impending reset\n", 4209*9e54973fSEric Joyner device_get_nameunit(sc->dev)); 4210*9e54973fSEric Joyner return; 4211*9e54973fSEric Joyner } 4212*9e54973fSEric Joyner 4213*9e54973fSEric Joyner /* XXX: Equiv to ice_update_rx_mbuf_sz */ 4214*9e54973fSEric Joyner vsi->mbuf_sz = iflib_get_rx_mbuf_sz(ctx); 4215*9e54973fSEric Joyner 4216*9e54973fSEric Joyner /* Initialize software Tx tracking values */ 4217*9e54973fSEric Joyner ice_init_tx_tracking(vsi); 4218*9e54973fSEric Joyner 4219*9e54973fSEric Joyner err = ice_cfg_vsi_for_tx(vsi); 4220*9e54973fSEric Joyner if (err) { 4221*9e54973fSEric Joyner device_printf(dev, 4222*9e54973fSEric Joyner "Unable to configure subif VSI for Tx: %s\n", 4223*9e54973fSEric Joyner ice_err_str(err)); 4224*9e54973fSEric Joyner return; 4225*9e54973fSEric Joyner } 4226*9e54973fSEric Joyner 4227*9e54973fSEric Joyner err = ice_cfg_vsi_for_rx(vsi); 4228*9e54973fSEric Joyner if (err) { 4229*9e54973fSEric Joyner device_printf(dev, 4230*9e54973fSEric Joyner "Unable to configure subif VSI for Rx: %s\n", 4231*9e54973fSEric Joyner ice_err_str(err)); 4232*9e54973fSEric Joyner goto err_cleanup_tx; 4233*9e54973fSEric Joyner } 4234*9e54973fSEric Joyner 4235*9e54973fSEric Joyner err = ice_control_all_rx_queues(vsi, true); 4236*9e54973fSEric Joyner if (err) { 4237*9e54973fSEric Joyner device_printf(dev, 4238*9e54973fSEric Joyner "Unable to enable subif Rx rings for receive: %s\n", 4239*9e54973fSEric Joyner ice_err_str(err)); 4240*9e54973fSEric Joyner goto err_cleanup_tx; 4241*9e54973fSEric Joyner } 4242*9e54973fSEric Joyner 4243*9e54973fSEric Joyner ice_configure_all_rxq_interrupts(vsi); 4244*9e54973fSEric Joyner ice_configure_rx_itr(vsi); 4245*9e54973fSEric Joyner 4246*9e54973fSEric Joyner ice_set_state(&mif->state, ICE_STATE_DRIVER_INITIALIZED); 4247*9e54973fSEric Joyner return; 4248*9e54973fSEric Joyner 4249*9e54973fSEric Joyner err_cleanup_tx: 4250*9e54973fSEric Joyner ice_vsi_disable_tx(vsi); 4251*9e54973fSEric Joyner } 4252*9e54973fSEric Joyner 4253*9e54973fSEric Joyner /** 4254*9e54973fSEric Joyner * ice_if_stop_subif - Stop the subinterface 4255*9e54973fSEric Joyner * @ctx: iflib context structure 4256*9e54973fSEric Joyner * @ifs: subinterface context structure 4257*9e54973fSEric Joyner * 4258*9e54973fSEric Joyner * Called by iflib to stop the subinterface and bring it down. 4259*9e54973fSEric Joyner * (e.g. ifconfig ice0m0 down) 4260*9e54973fSEric Joyner * 4261*9e54973fSEric Joyner * @pre assumes the caller holds the iflib CTX lock 4262*9e54973fSEric Joyner */ 4263*9e54973fSEric Joyner static void 4264*9e54973fSEric Joyner ice_subif_if_stop(if_ctx_t ctx) 4265*9e54973fSEric Joyner { 4266*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4267*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4268*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4269*9e54973fSEric Joyner device_t dev = mif->subdev; 4270*9e54973fSEric Joyner 4271*9e54973fSEric Joyner if (!ice_testandclear_state(&mif->state, ICE_STATE_DRIVER_INITIALIZED)) 4272*9e54973fSEric Joyner return; 4273*9e54973fSEric Joyner 4274*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 4275*9e54973fSEric Joyner device_printf(dev, 4276*9e54973fSEric Joyner "request to stop interface cannot be completed as the parent device %s failed to reset\n", 4277*9e54973fSEric Joyner device_get_nameunit(sc->dev)); 4278*9e54973fSEric Joyner return; 4279*9e54973fSEric Joyner } 4280*9e54973fSEric Joyner 4281*9e54973fSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 4282*9e54973fSEric Joyner device_printf(dev, 4283*9e54973fSEric Joyner "request to stop interface cannot be completed while parent device %s is prepared for impending reset\n", 4284*9e54973fSEric Joyner device_get_nameunit(sc->dev)); 4285*9e54973fSEric Joyner return; 4286*9e54973fSEric Joyner } 4287*9e54973fSEric Joyner 4288*9e54973fSEric Joyner /* Dissociate the Tx and Rx queues from the interrupts */ 4289*9e54973fSEric Joyner ice_flush_txq_interrupts(vsi); 4290*9e54973fSEric Joyner ice_flush_rxq_interrupts(vsi); 4291*9e54973fSEric Joyner 4292*9e54973fSEric Joyner /* Disable the Tx and Rx queues */ 4293*9e54973fSEric Joyner ice_vsi_disable_tx(vsi); 4294*9e54973fSEric Joyner ice_control_all_rx_queues(vsi, false); 4295*9e54973fSEric Joyner } 4296*9e54973fSEric Joyner 4297*9e54973fSEric Joyner /** 4298*9e54973fSEric Joyner * ice_free_irqvs_subif - Free IRQ vector memory for subinterfaces 4299*9e54973fSEric Joyner * @mif: Mirror interface private structure 4300*9e54973fSEric Joyner * 4301*9e54973fSEric Joyner * Free IRQ vector memory allocated during ice_subif_if_msix_intr_assign. 4302*9e54973fSEric Joyner */ 4303*9e54973fSEric Joyner static void 4304*9e54973fSEric Joyner ice_free_irqvs_subif(struct ice_mirr_if *mif) 4305*9e54973fSEric Joyner { 4306*9e54973fSEric Joyner struct ice_softc *sc = mif->back; 4307*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4308*9e54973fSEric Joyner if_ctx_t ctx = sc->ctx; 4309*9e54973fSEric Joyner int i; 4310*9e54973fSEric Joyner 4311*9e54973fSEric Joyner /* If the irqvs array is NULL, then there are no vectors to free */ 4312*9e54973fSEric Joyner if (mif->rx_irqvs == NULL) 4313*9e54973fSEric Joyner return; 4314*9e54973fSEric Joyner 4315*9e54973fSEric Joyner /* Free the IRQ vectors -- currently subinterfaces have number 4316*9e54973fSEric Joyner * of vectors equal to number of RX queues 4317*9e54973fSEric Joyner * 4318*9e54973fSEric Joyner * XXX: ctx is parent device's ctx, not the subinterface ctx 4319*9e54973fSEric Joyner */ 4320*9e54973fSEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 4321*9e54973fSEric Joyner iflib_irq_free(ctx, &mif->rx_irqvs[i].irq); 4322*9e54973fSEric Joyner 4323*9e54973fSEric Joyner ice_resmgr_release_map(&sc->os_imgr, mif->os_imap, 4324*9e54973fSEric Joyner mif->num_irq_vectors); 4325*9e54973fSEric Joyner ice_resmgr_release_map(&sc->dev_imgr, mif->if_imap, 4326*9e54973fSEric Joyner mif->num_irq_vectors); 4327*9e54973fSEric Joyner 4328*9e54973fSEric Joyner sc->last_rid -= vsi->num_rx_queues; 4329*9e54973fSEric Joyner 4330*9e54973fSEric Joyner /* Clear the irqv pointers */ 4331*9e54973fSEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 4332*9e54973fSEric Joyner vsi->rx_queues[i].irqv = NULL; 4333*9e54973fSEric Joyner 4334*9e54973fSEric Joyner for (i = 0; i < vsi->num_tx_queues; i++) 4335*9e54973fSEric Joyner vsi->tx_queues[i].irqv = NULL; 4336*9e54973fSEric Joyner 4337*9e54973fSEric Joyner /* Release the vector array memory */ 4338*9e54973fSEric Joyner free(mif->rx_irqvs, M_ICE); 4339*9e54973fSEric Joyner mif->rx_irqvs = NULL; 4340*9e54973fSEric Joyner } 4341*9e54973fSEric Joyner 4342*9e54973fSEric Joyner /** 4343*9e54973fSEric Joyner * ice_subif_if_queues_free - Free queue memory for subinterfaces 4344*9e54973fSEric Joyner * @ctx: the iflib context structure 4345*9e54973fSEric Joyner * 4346*9e54973fSEric Joyner * Free queue memory allocated by ice_subif_tx_queues_alloc() and 4347*9e54973fSEric Joyner * ice_subif_if_rx_queues_alloc(). 4348*9e54973fSEric Joyner */ 4349*9e54973fSEric Joyner static void 4350*9e54973fSEric Joyner ice_subif_if_queues_free(if_ctx_t ctx) 4351*9e54973fSEric Joyner { 4352*9e54973fSEric Joyner struct ice_mirr_if *mif = (struct ice_mirr_if *)iflib_get_softc(ctx); 4353*9e54973fSEric Joyner struct ice_vsi *vsi = mif->vsi; 4354*9e54973fSEric Joyner struct ice_tx_queue *txq; 4355*9e54973fSEric Joyner int i; 4356*9e54973fSEric Joyner 4357*9e54973fSEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 4358*9e54973fSEric Joyner * pointers. 4359*9e54973fSEric Joyner */ 4360*9e54973fSEric Joyner ice_vsi_del_txqs_ctx(vsi); 4361*9e54973fSEric Joyner ice_vsi_del_rxqs_ctx(vsi); 4362*9e54973fSEric Joyner 4363*9e54973fSEric Joyner /* Release MSI-X IRQ vectors */ 4364*9e54973fSEric Joyner ice_free_irqvs_subif(mif); 4365*9e54973fSEric Joyner 4366*9e54973fSEric Joyner if (vsi->tx_queues != NULL) { 4367*9e54973fSEric Joyner /* free the tx_rsq arrays */ 4368*9e54973fSEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 4369*9e54973fSEric Joyner if (txq->tx_rsq != NULL) { 4370*9e54973fSEric Joyner free(txq->tx_rsq, M_ICE); 4371*9e54973fSEric Joyner txq->tx_rsq = NULL; 4372*9e54973fSEric Joyner } 4373*9e54973fSEric Joyner } 4374*9e54973fSEric Joyner free(vsi->tx_queues, M_ICE); 4375*9e54973fSEric Joyner vsi->tx_queues = NULL; 4376*9e54973fSEric Joyner } 4377*9e54973fSEric Joyner if (vsi->rx_queues != NULL) { 4378*9e54973fSEric Joyner free(vsi->rx_queues, M_ICE); 4379*9e54973fSEric Joyner vsi->rx_queues = NULL; 4380*9e54973fSEric Joyner } 4381*9e54973fSEric Joyner } 4382*9e54973fSEric Joyner 4383*9e54973fSEric Joyner /** 4384*9e54973fSEric Joyner * ice_subif_if_media_status - Report subinterface media 4385*9e54973fSEric Joyner * @ctx: iflib context structure 4386*9e54973fSEric Joyner * @ifmr: ifmedia request structure to update 4387*9e54973fSEric Joyner * 4388*9e54973fSEric Joyner * Updates the provided ifmr with something, in order to prevent a 4389*9e54973fSEric Joyner * "no media types?" message from ifconfig. 4390*9e54973fSEric Joyner * 4391*9e54973fSEric Joyner * Mirror interfaces are always up. 4392*9e54973fSEric Joyner */ 4393*9e54973fSEric Joyner static void 4394*9e54973fSEric Joyner ice_subif_if_media_status(if_ctx_t ctx __unused, struct ifmediareq *ifmr) 4395*9e54973fSEric Joyner { 4396*9e54973fSEric Joyner ifmr->ifm_status = IFM_AVALID | IFM_ACTIVE; 4397*9e54973fSEric Joyner ifmr->ifm_active = IFM_ETHER | IFM_AUTO; 4398*9e54973fSEric Joyner } 4399*9e54973fSEric Joyner 4400*9e54973fSEric Joyner /** 4401*9e54973fSEric Joyner * ice_subif_if_promisc_set - Set subinterface promiscuous mode 4402*9e54973fSEric Joyner * @ctx: iflib context structure 4403*9e54973fSEric Joyner * @flags: promiscuous flags to configure 4404*9e54973fSEric Joyner * 4405*9e54973fSEric Joyner * Called by iflib to configure device promiscuous mode. 4406*9e54973fSEric Joyner * 4407*9e54973fSEric Joyner * @remark This does not need to be implemented for now. 4408*9e54973fSEric Joyner */ 4409*9e54973fSEric Joyner static int 4410*9e54973fSEric Joyner ice_subif_if_promisc_set(if_ctx_t ctx __unused, int flags __unused) 4411*9e54973fSEric Joyner { 4412*9e54973fSEric Joyner return (0); 4413*9e54973fSEric Joyner } 4414*9e54973fSEric Joyner 4415