171d10453SEric Joyner /* SPDX-License-Identifier: BSD-3-Clause */ 29dc2f6e2SEric Joyner /* Copyright (c) 2023, 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); 86*9c30461dSEric Joyner static bool ice_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event); 8771d10453SEric Joyner 8871d10453SEric Joyner static int ice_msix_que(void *arg); 8971d10453SEric Joyner static int ice_msix_admin(void *arg); 9071d10453SEric Joyner 9171d10453SEric Joyner /* 9271d10453SEric Joyner * Helper function prototypes 9371d10453SEric Joyner */ 9471d10453SEric Joyner static int ice_pci_mapping(struct ice_softc *sc); 9571d10453SEric Joyner static void ice_free_pci_mapping(struct ice_softc *sc); 9671d10453SEric Joyner static void ice_update_link_status(struct ice_softc *sc, bool update_media); 9771d10453SEric Joyner static void ice_init_device_features(struct ice_softc *sc); 9871d10453SEric Joyner static void ice_init_tx_tracking(struct ice_vsi *vsi); 9971d10453SEric Joyner static void ice_handle_reset_event(struct ice_softc *sc); 10071d10453SEric Joyner static void ice_handle_pf_reset_request(struct ice_softc *sc); 10171d10453SEric Joyner static void ice_prepare_for_reset(struct ice_softc *sc); 10271d10453SEric Joyner static int ice_rebuild_pf_vsi_qmap(struct ice_softc *sc); 10371d10453SEric Joyner static void ice_rebuild(struct ice_softc *sc); 10471d10453SEric Joyner static void ice_rebuild_recovery_mode(struct ice_softc *sc); 10571d10453SEric Joyner static void ice_free_irqvs(struct ice_softc *sc); 10671d10453SEric Joyner static void ice_update_rx_mbuf_sz(struct ice_softc *sc); 10771d10453SEric Joyner static void ice_poll_for_media_avail(struct ice_softc *sc); 10871d10453SEric Joyner static void ice_setup_scctx(struct ice_softc *sc); 10971d10453SEric Joyner static int ice_allocate_msix(struct ice_softc *sc); 11071d10453SEric Joyner static void ice_admin_timer(void *arg); 11171d10453SEric Joyner static void ice_transition_recovery_mode(struct ice_softc *sc); 11271d10453SEric Joyner static void ice_transition_safe_mode(struct ice_softc *sc); 113*9c30461dSEric Joyner static void ice_set_default_promisc_mask(ice_bitmap_t *promisc_mask); 11471d10453SEric Joyner 11571d10453SEric Joyner /* 11671d10453SEric Joyner * Device Interface Declaration 11771d10453SEric Joyner */ 11871d10453SEric Joyner 11971d10453SEric Joyner /** 12071d10453SEric Joyner * @var ice_methods 12171d10453SEric Joyner * @brief ice driver method entry points 12271d10453SEric Joyner * 12371d10453SEric Joyner * List of device methods implementing the generic device interface used by 12471d10453SEric Joyner * the device stack to interact with the ice driver. Since this is an iflib 12571d10453SEric Joyner * driver, most of the methods point to the generic iflib implementation. 12671d10453SEric Joyner */ 12771d10453SEric Joyner static device_method_t ice_methods[] = { 12871d10453SEric Joyner /* Device interface */ 12971d10453SEric Joyner DEVMETHOD(device_register, ice_register), 13071d10453SEric Joyner DEVMETHOD(device_probe, iflib_device_probe_vendor), 13171d10453SEric Joyner DEVMETHOD(device_attach, iflib_device_attach), 13271d10453SEric Joyner DEVMETHOD(device_detach, iflib_device_detach), 13371d10453SEric Joyner DEVMETHOD(device_shutdown, iflib_device_shutdown), 13471d10453SEric Joyner DEVMETHOD(device_suspend, iflib_device_suspend), 13571d10453SEric Joyner DEVMETHOD(device_resume, iflib_device_resume), 13671d10453SEric Joyner DEVMETHOD_END 13771d10453SEric Joyner }; 13871d10453SEric Joyner 13971d10453SEric Joyner /** 14071d10453SEric Joyner * @var ice_iflib_methods 14171d10453SEric Joyner * @brief iflib method entry points 14271d10453SEric Joyner * 14371d10453SEric Joyner * List of device methods used by the iflib stack to interact with this 14471d10453SEric Joyner * driver. These are the real main entry points used to interact with this 14571d10453SEric Joyner * driver. 14671d10453SEric Joyner */ 14771d10453SEric Joyner static device_method_t ice_iflib_methods[] = { 14871d10453SEric Joyner DEVMETHOD(ifdi_attach_pre, ice_if_attach_pre), 14971d10453SEric Joyner DEVMETHOD(ifdi_attach_post, ice_if_attach_post), 15071d10453SEric Joyner DEVMETHOD(ifdi_detach, ice_if_detach), 15171d10453SEric Joyner DEVMETHOD(ifdi_tx_queues_alloc, ice_if_tx_queues_alloc), 15271d10453SEric Joyner DEVMETHOD(ifdi_rx_queues_alloc, ice_if_rx_queues_alloc), 15371d10453SEric Joyner DEVMETHOD(ifdi_msix_intr_assign, ice_if_msix_intr_assign), 15471d10453SEric Joyner DEVMETHOD(ifdi_queues_free, ice_if_queues_free), 15571d10453SEric Joyner DEVMETHOD(ifdi_mtu_set, ice_if_mtu_set), 15671d10453SEric Joyner DEVMETHOD(ifdi_intr_enable, ice_if_intr_enable), 15771d10453SEric Joyner DEVMETHOD(ifdi_intr_disable, ice_if_intr_disable), 15871d10453SEric Joyner DEVMETHOD(ifdi_rx_queue_intr_enable, ice_if_rx_queue_intr_enable), 15971d10453SEric Joyner DEVMETHOD(ifdi_tx_queue_intr_enable, ice_if_tx_queue_intr_enable), 16071d10453SEric Joyner DEVMETHOD(ifdi_promisc_set, ice_if_promisc_set), 16171d10453SEric Joyner DEVMETHOD(ifdi_media_status, ice_if_media_status), 16271d10453SEric Joyner DEVMETHOD(ifdi_media_change, ice_if_media_change), 16371d10453SEric Joyner DEVMETHOD(ifdi_init, ice_if_init), 16471d10453SEric Joyner DEVMETHOD(ifdi_stop, ice_if_stop), 16571d10453SEric Joyner DEVMETHOD(ifdi_timer, ice_if_timer), 16671d10453SEric Joyner DEVMETHOD(ifdi_update_admin_status, ice_if_update_admin_status), 16771d10453SEric Joyner DEVMETHOD(ifdi_multi_set, ice_if_multi_set), 16871d10453SEric Joyner DEVMETHOD(ifdi_vlan_register, ice_if_vlan_register), 16971d10453SEric Joyner DEVMETHOD(ifdi_vlan_unregister, ice_if_vlan_unregister), 17071d10453SEric Joyner DEVMETHOD(ifdi_get_counter, ice_if_get_counter), 17171d10453SEric Joyner DEVMETHOD(ifdi_priv_ioctl, ice_if_priv_ioctl), 17271d10453SEric Joyner DEVMETHOD(ifdi_i2c_req, ice_if_i2c_req), 1737d7af7f8SEric Joyner DEVMETHOD(ifdi_suspend, ice_if_suspend), 1747d7af7f8SEric Joyner DEVMETHOD(ifdi_resume, ice_if_resume), 17514a14e36SKevin Bowling DEVMETHOD(ifdi_needs_restart, ice_if_needs_restart), 17671d10453SEric Joyner DEVMETHOD_END 17771d10453SEric Joyner }; 17871d10453SEric Joyner 17971d10453SEric Joyner /** 18071d10453SEric Joyner * @var ice_driver 18171d10453SEric Joyner * @brief driver structure for the generic device stack 18271d10453SEric Joyner * 18371d10453SEric Joyner * driver_t definition used to setup the generic device methods. 18471d10453SEric Joyner */ 18571d10453SEric Joyner static driver_t ice_driver = { 18671d10453SEric Joyner .name = "ice", 18771d10453SEric Joyner .methods = ice_methods, 18871d10453SEric Joyner .size = sizeof(struct ice_softc), 18971d10453SEric Joyner }; 19071d10453SEric Joyner 19171d10453SEric Joyner /** 19271d10453SEric Joyner * @var ice_iflib_driver 19371d10453SEric Joyner * @brief driver structure for the iflib stack 19471d10453SEric Joyner * 19571d10453SEric Joyner * driver_t definition used to setup the iflib device methods. 19671d10453SEric Joyner */ 19771d10453SEric Joyner static driver_t ice_iflib_driver = { 19871d10453SEric Joyner .name = "ice", 19971d10453SEric Joyner .methods = ice_iflib_methods, 20071d10453SEric Joyner .size = sizeof(struct ice_softc), 20171d10453SEric Joyner }; 20271d10453SEric Joyner 20371d10453SEric Joyner extern struct if_txrx ice_txrx; 20471d10453SEric Joyner extern struct if_txrx ice_recovery_txrx; 20571d10453SEric Joyner 20671d10453SEric Joyner /** 20771d10453SEric Joyner * @var ice_sctx 20871d10453SEric Joyner * @brief ice driver shared context 20971d10453SEric Joyner * 21071d10453SEric Joyner * Structure defining shared values (context) that is used by all instances of 21171d10453SEric Joyner * the device. Primarily used to setup details about how the iflib stack 21271d10453SEric Joyner * should treat this driver. Also defines the default, minimum, and maximum 21371d10453SEric Joyner * number of descriptors in each ring. 21471d10453SEric Joyner */ 21571d10453SEric Joyner static struct if_shared_ctx ice_sctx = { 21671d10453SEric Joyner .isc_magic = IFLIB_MAGIC, 21771d10453SEric Joyner .isc_q_align = PAGE_SIZE, 21871d10453SEric Joyner 21971d10453SEric Joyner .isc_tx_maxsize = ICE_MAX_FRAME_SIZE, 22071d10453SEric Joyner /* We could technically set this as high as ICE_MAX_DMA_SEG_SIZE, but 22171d10453SEric Joyner * that doesn't make sense since that would be larger than the maximum 22271d10453SEric Joyner * size of a single packet. 22371d10453SEric Joyner */ 22471d10453SEric Joyner .isc_tx_maxsegsize = ICE_MAX_FRAME_SIZE, 22571d10453SEric Joyner 22671d10453SEric Joyner /* XXX: This is only used by iflib to ensure that 22771d10453SEric Joyner * scctx->isc_tx_tso_size_max + the VLAN header is a valid size. 22871d10453SEric Joyner */ 22971d10453SEric Joyner .isc_tso_maxsize = ICE_TSO_SIZE + sizeof(struct ether_vlan_header), 23071d10453SEric Joyner /* XXX: This is used by iflib to set the number of segments in the TSO 23171d10453SEric Joyner * DMA tag. However, scctx->isc_tx_tso_segsize_max is used to set the 23271d10453SEric Joyner * related ifnet parameter. 23371d10453SEric Joyner */ 23471d10453SEric Joyner .isc_tso_maxsegsize = ICE_MAX_DMA_SEG_SIZE, 23571d10453SEric Joyner 23671d10453SEric Joyner .isc_rx_maxsize = ICE_MAX_FRAME_SIZE, 23771d10453SEric Joyner .isc_rx_nsegments = ICE_MAX_RX_SEGS, 23871d10453SEric Joyner .isc_rx_maxsegsize = ICE_MAX_FRAME_SIZE, 23971d10453SEric Joyner 24071d10453SEric Joyner .isc_nfl = 1, 24171d10453SEric Joyner .isc_ntxqs = 1, 24271d10453SEric Joyner .isc_nrxqs = 1, 24371d10453SEric Joyner 24471d10453SEric Joyner .isc_admin_intrcnt = 1, 24571d10453SEric Joyner .isc_vendor_info = ice_vendor_info_array, 24671d10453SEric Joyner .isc_driver_version = __DECONST(char *, ice_driver_version), 24771d10453SEric Joyner .isc_driver = &ice_iflib_driver, 24871d10453SEric Joyner 24971d10453SEric Joyner /* 25071d10453SEric Joyner * IFLIB_NEED_SCRATCH ensures that mbufs have scratch space available 25171d10453SEric Joyner * for hardware checksum offload 25271d10453SEric Joyner * 25371d10453SEric Joyner * IFLIB_TSO_INIT_IP ensures that the TSO packets have zeroed out the 25471d10453SEric Joyner * IP sum field, required by our hardware to calculate valid TSO 25571d10453SEric Joyner * checksums. 25671d10453SEric Joyner * 25771d10453SEric Joyner * IFLIB_ADMIN_ALWAYS_RUN ensures that the administrative task runs 25871d10453SEric Joyner * even when the interface is down. 25971d10453SEric Joyner * 26071d10453SEric Joyner * IFLIB_SKIP_MSIX allows the driver to handle allocating MSI-X 26171d10453SEric Joyner * vectors manually instead of relying on iflib code to do this. 26271d10453SEric Joyner */ 26371d10453SEric Joyner .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | 26471d10453SEric Joyner IFLIB_ADMIN_ALWAYS_RUN | IFLIB_SKIP_MSIX, 26571d10453SEric Joyner 26671d10453SEric Joyner .isc_nrxd_min = {ICE_MIN_DESC_COUNT}, 26771d10453SEric Joyner .isc_ntxd_min = {ICE_MIN_DESC_COUNT}, 26871d10453SEric Joyner .isc_nrxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 26971d10453SEric Joyner .isc_ntxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 27071d10453SEric Joyner .isc_nrxd_default = {ICE_DEFAULT_DESC_COUNT}, 27171d10453SEric Joyner .isc_ntxd_default = {ICE_DEFAULT_DESC_COUNT}, 27271d10453SEric Joyner }; 27371d10453SEric Joyner 27483c0a9e8SJohn Baldwin DRIVER_MODULE(ice, pci, ice_driver, ice_module_event_handler, NULL); 27571d10453SEric Joyner 27671d10453SEric Joyner MODULE_VERSION(ice, 1); 27771d10453SEric Joyner MODULE_DEPEND(ice, pci, 1, 1, 1); 27871d10453SEric Joyner MODULE_DEPEND(ice, ether, 1, 1, 1); 27971d10453SEric Joyner MODULE_DEPEND(ice, iflib, 1, 1, 1); 28071d10453SEric Joyner 28171d10453SEric Joyner IFLIB_PNP_INFO(pci, ice, ice_vendor_info_array); 28271d10453SEric Joyner 28371d10453SEric Joyner /* Static driver-wide sysctls */ 28471d10453SEric Joyner #include "ice_iflib_sysctls.h" 28571d10453SEric Joyner 28671d10453SEric Joyner /** 28771d10453SEric Joyner * ice_pci_mapping - Map PCI BAR memory 28871d10453SEric Joyner * @sc: device private softc 28971d10453SEric Joyner * 29071d10453SEric Joyner * Map PCI BAR 0 for device operation. 29171d10453SEric Joyner */ 29271d10453SEric Joyner static int 29371d10453SEric Joyner ice_pci_mapping(struct ice_softc *sc) 29471d10453SEric Joyner { 29571d10453SEric Joyner int rc; 29671d10453SEric Joyner 29771d10453SEric Joyner /* Map BAR0 */ 29871d10453SEric Joyner rc = ice_map_bar(sc->dev, &sc->bar0, 0); 29971d10453SEric Joyner if (rc) 30071d10453SEric Joyner return rc; 30171d10453SEric Joyner 30271d10453SEric Joyner return 0; 30371d10453SEric Joyner } 30471d10453SEric Joyner 30571d10453SEric Joyner /** 30671d10453SEric Joyner * ice_free_pci_mapping - Release PCI BAR memory 30771d10453SEric Joyner * @sc: device private softc 30871d10453SEric Joyner * 30971d10453SEric Joyner * Release PCI BARs which were previously mapped by ice_pci_mapping(). 31071d10453SEric Joyner */ 31171d10453SEric Joyner static void 31271d10453SEric Joyner ice_free_pci_mapping(struct ice_softc *sc) 31371d10453SEric Joyner { 31471d10453SEric Joyner /* Free BAR0 */ 31571d10453SEric Joyner ice_free_bar(sc->dev, &sc->bar0); 31671d10453SEric Joyner } 31771d10453SEric Joyner 31871d10453SEric Joyner /* 31971d10453SEric Joyner * Device methods 32071d10453SEric Joyner */ 32171d10453SEric Joyner 32271d10453SEric Joyner /** 32371d10453SEric Joyner * ice_register - register device method callback 32471d10453SEric Joyner * @dev: the device being registered 32571d10453SEric Joyner * 32671d10453SEric Joyner * Returns a pointer to the shared context structure, which is used by iflib. 32771d10453SEric Joyner */ 32871d10453SEric Joyner static void * 32971d10453SEric Joyner ice_register(device_t dev __unused) 33071d10453SEric Joyner { 33171d10453SEric Joyner return &ice_sctx; 33271d10453SEric Joyner } /* ice_register */ 33371d10453SEric Joyner 33471d10453SEric Joyner /** 33571d10453SEric Joyner * ice_setup_scctx - Setup the iflib softc context structure 33671d10453SEric Joyner * @sc: the device private structure 33771d10453SEric Joyner * 33871d10453SEric Joyner * Setup the parameters in if_softc_ctx_t structure used by the iflib stack 33971d10453SEric Joyner * when loading. 34071d10453SEric Joyner */ 34171d10453SEric Joyner static void 34271d10453SEric Joyner ice_setup_scctx(struct ice_softc *sc) 34371d10453SEric Joyner { 34471d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 34571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 346*9c30461dSEric Joyner device_t dev = sc->dev; 34771d10453SEric Joyner bool safe_mode, recovery_mode; 34871d10453SEric Joyner 34971d10453SEric Joyner safe_mode = ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE); 35071d10453SEric Joyner recovery_mode = ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE); 35171d10453SEric Joyner 35271d10453SEric Joyner /* 35371d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, limit iflib to 35471d10453SEric Joyner * a single queue pair. 35571d10453SEric Joyner */ 35671d10453SEric Joyner if (safe_mode || recovery_mode) { 35771d10453SEric Joyner scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1; 35871d10453SEric Joyner scctx->isc_ntxqsets_max = 1; 35971d10453SEric Joyner scctx->isc_nrxqsets_max = 1; 36071d10453SEric Joyner } else { 36171d10453SEric Joyner /* 36271d10453SEric Joyner * iflib initially sets the isc_ntxqsets and isc_nrxqsets to 36371d10453SEric Joyner * the values of the override sysctls. Cache these initial 36471d10453SEric Joyner * values so that the driver can be aware of what the iflib 36571d10453SEric Joyner * sysctl value is when setting up MSI-X vectors. 36671d10453SEric Joyner */ 36771d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets; 36871d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets; 36971d10453SEric Joyner 37071d10453SEric Joyner if (scctx->isc_ntxqsets == 0) 37171d10453SEric Joyner scctx->isc_ntxqsets = hw->func_caps.common_cap.rss_table_size; 37271d10453SEric Joyner if (scctx->isc_nrxqsets == 0) 37371d10453SEric Joyner scctx->isc_nrxqsets = hw->func_caps.common_cap.rss_table_size; 37471d10453SEric Joyner 37571d10453SEric Joyner scctx->isc_ntxqsets_max = hw->func_caps.common_cap.num_txq; 37671d10453SEric Joyner scctx->isc_nrxqsets_max = hw->func_caps.common_cap.num_rxq; 37771d10453SEric Joyner 37871d10453SEric Joyner /* 37971d10453SEric Joyner * Sanity check that the iflib sysctl values are within the 38071d10453SEric Joyner * maximum supported range. 38171d10453SEric Joyner */ 38271d10453SEric Joyner if (sc->ifc_sysctl_ntxqs > scctx->isc_ntxqsets_max) 38371d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets_max; 38471d10453SEric Joyner if (sc->ifc_sysctl_nrxqs > scctx->isc_nrxqsets_max) 38571d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets_max; 38671d10453SEric Joyner } 38771d10453SEric Joyner 38871d10453SEric Joyner scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 38971d10453SEric Joyner * sizeof(struct ice_tx_desc), DBA_ALIGN); 39071d10453SEric Joyner scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 39171d10453SEric Joyner * sizeof(union ice_32b_rx_flex_desc), DBA_ALIGN); 39271d10453SEric Joyner 39371d10453SEric Joyner scctx->isc_tx_nsegments = ICE_MAX_TX_SEGS; 39471d10453SEric Joyner scctx->isc_tx_tso_segments_max = ICE_MAX_TSO_SEGS; 39571d10453SEric Joyner scctx->isc_tx_tso_size_max = ICE_TSO_SIZE; 39671d10453SEric Joyner scctx->isc_tx_tso_segsize_max = ICE_MAX_DMA_SEG_SIZE; 39771d10453SEric Joyner 398*9c30461dSEric Joyner scctx->isc_msix_bar = pci_msix_table_bar(dev); 39971d10453SEric Joyner scctx->isc_rss_table_size = hw->func_caps.common_cap.rss_table_size; 40071d10453SEric Joyner 40171d10453SEric Joyner /* 40271d10453SEric Joyner * If the driver loads in recovery mode, disable Tx/Rx functionality 40371d10453SEric Joyner */ 40471d10453SEric Joyner if (recovery_mode) 40571d10453SEric Joyner scctx->isc_txrx = &ice_recovery_txrx; 40671d10453SEric Joyner else 40771d10453SEric Joyner scctx->isc_txrx = &ice_txrx; 40871d10453SEric Joyner 40971d10453SEric Joyner /* 41071d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, disable 41171d10453SEric Joyner * advanced features including hardware offloads. 41271d10453SEric Joyner */ 41371d10453SEric Joyner if (safe_mode || recovery_mode) { 41471d10453SEric Joyner scctx->isc_capenable = ICE_SAFE_CAPS; 41571d10453SEric Joyner scctx->isc_tx_csum_flags = 0; 41671d10453SEric Joyner } else { 41771d10453SEric Joyner scctx->isc_capenable = ICE_FULL_CAPS; 41871d10453SEric Joyner scctx->isc_tx_csum_flags = ICE_CSUM_OFFLOAD; 41971d10453SEric Joyner } 42071d10453SEric Joyner 42171d10453SEric Joyner scctx->isc_capabilities = scctx->isc_capenable; 42271d10453SEric Joyner } /* ice_setup_scctx */ 42371d10453SEric Joyner 42471d10453SEric Joyner /** 42571d10453SEric Joyner * ice_if_attach_pre - Early device attach logic 42671d10453SEric Joyner * @ctx: the iflib context structure 42771d10453SEric Joyner * 42871d10453SEric Joyner * Called by iflib during the attach process. Earliest main driver entry 42971d10453SEric Joyner * point which performs necessary hardware and driver initialization. Called 43071d10453SEric Joyner * before the Tx and Rx queues are allocated. 43171d10453SEric Joyner */ 43271d10453SEric Joyner static int 43371d10453SEric Joyner ice_if_attach_pre(if_ctx_t ctx) 43471d10453SEric Joyner { 43571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 43671d10453SEric Joyner enum ice_fw_modes fw_mode; 43771d10453SEric Joyner enum ice_status status; 43871d10453SEric Joyner if_softc_ctx_t scctx; 43971d10453SEric Joyner struct ice_hw *hw; 44071d10453SEric Joyner device_t dev; 44171d10453SEric Joyner int err; 44271d10453SEric Joyner 44371d10453SEric Joyner device_printf(iflib_get_dev(ctx), "Loading the iflib ice driver\n"); 44471d10453SEric Joyner 44556429daeSEric Joyner ice_set_state(&sc->state, ICE_STATE_ATTACHING); 44656429daeSEric Joyner 44771d10453SEric Joyner sc->ctx = ctx; 44871d10453SEric Joyner sc->media = iflib_get_media(ctx); 44971d10453SEric Joyner sc->sctx = iflib_get_sctx(ctx); 45071d10453SEric Joyner sc->iflib_ctx_lock = iflib_ctx_lock_get(ctx); 45171d10453SEric Joyner 45271d10453SEric Joyner dev = sc->dev = iflib_get_dev(ctx); 45371d10453SEric Joyner scctx = sc->scctx = iflib_get_softc_ctx(ctx); 45471d10453SEric Joyner 45571d10453SEric Joyner hw = &sc->hw; 45671d10453SEric Joyner hw->back = sc; 45771d10453SEric Joyner 45871d10453SEric Joyner snprintf(sc->admin_mtx_name, sizeof(sc->admin_mtx_name), 45971d10453SEric Joyner "%s:admin", device_get_nameunit(dev)); 46071d10453SEric Joyner mtx_init(&sc->admin_mtx, sc->admin_mtx_name, NULL, MTX_DEF); 46171d10453SEric Joyner callout_init_mtx(&sc->admin_timer, &sc->admin_mtx, 0); 46271d10453SEric Joyner 46371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 46471d10453SEric Joyner 46571d10453SEric Joyner if (ice_pci_mapping(sc)) { 46671d10453SEric Joyner err = (ENXIO); 46771d10453SEric Joyner goto destroy_admin_timer; 46871d10453SEric Joyner } 46971d10453SEric Joyner 47071d10453SEric Joyner /* Save off the PCI information */ 47171d10453SEric Joyner ice_save_pci_info(hw, dev); 47271d10453SEric Joyner 47371d10453SEric Joyner /* create tunables as early as possible */ 47471d10453SEric Joyner ice_add_device_tunables(sc); 47571d10453SEric Joyner 47671d10453SEric Joyner /* Setup ControlQ lengths */ 47771d10453SEric Joyner ice_set_ctrlq_len(hw); 47871d10453SEric Joyner 4798923de59SPiotr Kubaj reinit_hw: 4808923de59SPiotr Kubaj 48171d10453SEric Joyner fw_mode = ice_get_fw_mode(hw); 48271d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 48371d10453SEric 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"); 48471d10453SEric Joyner 48571d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 48671d10453SEric Joyner if (err) 48771d10453SEric Joyner goto free_pci_mapping; 48871d10453SEric Joyner 48971d10453SEric Joyner return (0); 49071d10453SEric Joyner } 49171d10453SEric Joyner 49271d10453SEric Joyner /* Initialize the hw data structure */ 49371d10453SEric Joyner status = ice_init_hw(hw); 49471d10453SEric Joyner if (status) { 49571d10453SEric Joyner if (status == ICE_ERR_FW_API_VER) { 49671d10453SEric Joyner /* Enter recovery mode, so that the driver remains 49771d10453SEric Joyner * loaded. This way, if the system administrator 49871d10453SEric Joyner * cannot update the driver, they may still attempt to 49971d10453SEric Joyner * downgrade the NVM. 50071d10453SEric Joyner */ 50171d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 50271d10453SEric Joyner if (err) 50371d10453SEric Joyner goto free_pci_mapping; 50471d10453SEric Joyner 50571d10453SEric Joyner return (0); 50671d10453SEric Joyner } else { 50771d10453SEric Joyner err = EIO; 50871d10453SEric Joyner device_printf(dev, "Unable to initialize hw, err %s aq_err %s\n", 50971d10453SEric Joyner ice_status_str(status), 51071d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 51171d10453SEric Joyner } 51271d10453SEric Joyner goto free_pci_mapping; 51371d10453SEric Joyner } 51471d10453SEric Joyner 5158923de59SPiotr Kubaj ice_init_device_features(sc); 5168923de59SPiotr Kubaj 517*9c30461dSEric Joyner /* Keep flag set by default */ 518*9c30461dSEric Joyner ice_set_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN); 519*9c30461dSEric Joyner 52071d10453SEric Joyner /* Notify firmware of the device driver version */ 52171d10453SEric Joyner err = ice_send_version(sc); 52271d10453SEric Joyner if (err) 52371d10453SEric Joyner goto deinit_hw; 52471d10453SEric Joyner 5258923de59SPiotr Kubaj /* 5268923de59SPiotr Kubaj * Success indicates a change was made that requires a reinitialization 5278923de59SPiotr Kubaj * of the hardware 5288923de59SPiotr Kubaj */ 5298923de59SPiotr Kubaj err = ice_load_pkg_file(sc); 5308923de59SPiotr Kubaj if (err == ICE_SUCCESS) { 5318923de59SPiotr Kubaj ice_deinit_hw(hw); 5328923de59SPiotr Kubaj goto reinit_hw; 5338923de59SPiotr Kubaj } 53471d10453SEric Joyner 53571d10453SEric Joyner err = ice_init_link_events(sc); 53671d10453SEric Joyner if (err) { 53771d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 53871d10453SEric Joyner ice_err_str(err)); 53971d10453SEric Joyner goto deinit_hw; 54071d10453SEric Joyner } 54171d10453SEric Joyner 5428923de59SPiotr Kubaj /* Initialize VLAN mode in FW; if dual VLAN mode is supported by the package 5438923de59SPiotr Kubaj * and firmware, this will force them to use single VLAN mode. 5448923de59SPiotr Kubaj */ 5458923de59SPiotr Kubaj status = ice_set_vlan_mode(hw); 5468923de59SPiotr Kubaj if (status) { 5478923de59SPiotr Kubaj err = EIO; 5488923de59SPiotr Kubaj device_printf(dev, "Unable to initialize VLAN mode, err %s aq_err %s\n", 5498923de59SPiotr Kubaj ice_status_str(status), 5508923de59SPiotr Kubaj ice_aq_str(hw->adminq.sq_last_status)); 5518923de59SPiotr Kubaj goto deinit_hw; 5528923de59SPiotr Kubaj } 55371d10453SEric Joyner 5548923de59SPiotr Kubaj ice_print_nvm_version(sc); 55571d10453SEric Joyner 55671d10453SEric Joyner /* Setup the MAC address */ 55771d10453SEric Joyner iflib_set_mac(ctx, hw->port_info->mac.lan_addr); 55871d10453SEric Joyner 55971d10453SEric Joyner /* Setup the iflib softc context structure */ 56071d10453SEric Joyner ice_setup_scctx(sc); 56171d10453SEric Joyner 56271d10453SEric Joyner /* Initialize the Tx queue manager */ 56371d10453SEric Joyner err = ice_resmgr_init(&sc->tx_qmgr, hw->func_caps.common_cap.num_txq); 56471d10453SEric Joyner if (err) { 56571d10453SEric Joyner device_printf(dev, "Unable to initialize Tx queue manager: %s\n", 56671d10453SEric Joyner ice_err_str(err)); 56771d10453SEric Joyner goto deinit_hw; 56871d10453SEric Joyner } 56971d10453SEric Joyner 57071d10453SEric Joyner /* Initialize the Rx queue manager */ 57171d10453SEric Joyner err = ice_resmgr_init(&sc->rx_qmgr, hw->func_caps.common_cap.num_rxq); 57271d10453SEric Joyner if (err) { 57371d10453SEric Joyner device_printf(dev, "Unable to initialize Rx queue manager: %s\n", 57471d10453SEric Joyner ice_err_str(err)); 57571d10453SEric Joyner goto free_tx_qmgr; 57671d10453SEric Joyner } 57771d10453SEric Joyner 57871d10453SEric Joyner /* Initialize the interrupt resource manager */ 57971d10453SEric Joyner err = ice_alloc_intr_tracking(sc); 58071d10453SEric Joyner if (err) 58171d10453SEric Joyner /* Errors are already printed */ 58271d10453SEric Joyner goto free_rx_qmgr; 58371d10453SEric Joyner 58471d10453SEric Joyner /* Determine maximum number of VSIs we'll prepare for */ 58571d10453SEric Joyner sc->num_available_vsi = min(ICE_MAX_VSI_AVAILABLE, 58671d10453SEric Joyner hw->func_caps.guar_num_vsi); 58771d10453SEric Joyner 58871d10453SEric Joyner if (!sc->num_available_vsi) { 58971d10453SEric Joyner err = EIO; 59071d10453SEric Joyner device_printf(dev, "No VSIs allocated to host\n"); 59171d10453SEric Joyner goto free_intr_tracking; 59271d10453SEric Joyner } 59371d10453SEric Joyner 59471d10453SEric Joyner /* Allocate storage for the VSI pointers */ 59571d10453SEric Joyner sc->all_vsi = (struct ice_vsi **) 59671d10453SEric Joyner malloc(sizeof(struct ice_vsi *) * sc->num_available_vsi, 59771d10453SEric Joyner M_ICE, M_WAITOK | M_ZERO); 59871d10453SEric Joyner if (!sc->all_vsi) { 59971d10453SEric Joyner err = ENOMEM; 60071d10453SEric Joyner device_printf(dev, "Unable to allocate VSI array\n"); 60171d10453SEric Joyner goto free_intr_tracking; 60271d10453SEric Joyner } 60371d10453SEric Joyner 60471d10453SEric Joyner /* 60571d10453SEric Joyner * Prepare the statically allocated primary PF VSI in the softc 60671d10453SEric Joyner * structure. Other VSIs will be dynamically allocated as needed. 60771d10453SEric Joyner */ 60871d10453SEric Joyner ice_setup_pf_vsi(sc); 60971d10453SEric Joyner 61071d10453SEric Joyner err = ice_alloc_vsi_qmap(&sc->pf_vsi, scctx->isc_ntxqsets_max, 61171d10453SEric Joyner scctx->isc_nrxqsets_max); 61271d10453SEric Joyner if (err) { 61371d10453SEric Joyner device_printf(dev, "Unable to allocate VSI Queue maps\n"); 61471d10453SEric Joyner goto free_main_vsi; 61571d10453SEric Joyner } 61671d10453SEric Joyner 61771d10453SEric Joyner /* Allocate MSI-X vectors (due to isc_flags IFLIB_SKIP_MSIX) */ 61871d10453SEric Joyner err = ice_allocate_msix(sc); 61971d10453SEric Joyner if (err) 62071d10453SEric Joyner goto free_main_vsi; 62171d10453SEric Joyner 62271d10453SEric Joyner return 0; 62371d10453SEric Joyner 62471d10453SEric Joyner free_main_vsi: 62571d10453SEric Joyner /* ice_release_vsi will free the queue maps if they were allocated */ 62671d10453SEric Joyner ice_release_vsi(&sc->pf_vsi); 62771d10453SEric Joyner free(sc->all_vsi, M_ICE); 62871d10453SEric Joyner sc->all_vsi = NULL; 62971d10453SEric Joyner free_intr_tracking: 63071d10453SEric Joyner ice_free_intr_tracking(sc); 63171d10453SEric Joyner free_rx_qmgr: 63271d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 63371d10453SEric Joyner free_tx_qmgr: 63471d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 63571d10453SEric Joyner deinit_hw: 63671d10453SEric Joyner ice_deinit_hw(hw); 63771d10453SEric Joyner free_pci_mapping: 63871d10453SEric Joyner ice_free_pci_mapping(sc); 63971d10453SEric Joyner destroy_admin_timer: 64071d10453SEric Joyner mtx_lock(&sc->admin_mtx); 64171d10453SEric Joyner callout_stop(&sc->admin_timer); 64271d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 64371d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 64471d10453SEric Joyner return err; 64571d10453SEric Joyner } /* ice_if_attach_pre */ 64671d10453SEric Joyner 64771d10453SEric Joyner /** 64871d10453SEric Joyner * ice_attach_pre_recovery_mode - Limited driver attach_pre for FW recovery 64971d10453SEric Joyner * @sc: the device private softc 65071d10453SEric Joyner * 65171d10453SEric Joyner * Loads the device driver in limited Firmware Recovery mode, intended to 65271d10453SEric Joyner * allow users to update the firmware to attempt to recover the device. 65371d10453SEric Joyner * 65471d10453SEric Joyner * @remark We may enter recovery mode in case either (a) the firmware is 65571d10453SEric Joyner * detected to be in an invalid state and must be re-programmed, or (b) the 65671d10453SEric Joyner * driver detects that the loaded firmware has a non-compatible API version 65771d10453SEric Joyner * that the driver cannot operate with. 65871d10453SEric Joyner */ 65971d10453SEric Joyner static int 66071d10453SEric Joyner ice_attach_pre_recovery_mode(struct ice_softc *sc) 66171d10453SEric Joyner { 66271d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RECOVERY_MODE); 66371d10453SEric Joyner 66471d10453SEric Joyner /* Setup the iflib softc context */ 66571d10453SEric Joyner ice_setup_scctx(sc); 66671d10453SEric Joyner 66771d10453SEric Joyner /* Setup the PF VSI back pointer */ 66871d10453SEric Joyner sc->pf_vsi.sc = sc; 66971d10453SEric Joyner 67071d10453SEric Joyner /* 67171d10453SEric Joyner * We still need to allocate MSI-X vectors since we need one vector to 67271d10453SEric Joyner * run the administrative admin interrupt 67371d10453SEric Joyner */ 67471d10453SEric Joyner return ice_allocate_msix(sc); 67571d10453SEric Joyner } 67671d10453SEric Joyner 67771d10453SEric Joyner /** 67871d10453SEric Joyner * ice_update_link_status - notify OS of link state change 67971d10453SEric Joyner * @sc: device private softc structure 68071d10453SEric Joyner * @update_media: true if we should update media even if link didn't change 68171d10453SEric Joyner * 68271d10453SEric Joyner * Called to notify iflib core of link status changes. Should be called once 68371d10453SEric Joyner * during attach_post, and whenever link status changes during runtime. 68471d10453SEric Joyner * 68571d10453SEric Joyner * This call only updates the currently supported media types if the link 68671d10453SEric Joyner * status changed, or if update_media is set to true. 68771d10453SEric Joyner */ 68871d10453SEric Joyner static void 68971d10453SEric Joyner ice_update_link_status(struct ice_softc *sc, bool update_media) 69071d10453SEric Joyner { 69171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 6927d7af7f8SEric Joyner enum ice_status status; 69371d10453SEric Joyner 69471d10453SEric Joyner /* Never report link up when in recovery mode */ 69571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 69671d10453SEric Joyner return; 69771d10453SEric Joyner 69871d10453SEric Joyner /* Report link status to iflib only once each time it changes */ 69971d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED)) { 70071d10453SEric Joyner if (sc->link_up) { /* link is up */ 70171d10453SEric Joyner uint64_t baudrate = ice_aq_speed_to_rate(sc->hw.port_info); 70271d10453SEric Joyner 703*9c30461dSEric Joyner if (!(hw->port_info->phy.link_info_old.link_info & ICE_AQ_LINK_UP)) 7047d7af7f8SEric Joyner ice_set_default_local_lldp_mib(sc); 7057d7af7f8SEric Joyner 70671d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_UP, baudrate); 7078a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_UP, baudrate); 70871d10453SEric Joyner 70971d10453SEric Joyner ice_link_up_msg(sc); 71071d10453SEric Joyner } else { /* link is down */ 71171d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 7128a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_DOWN, 0); 71371d10453SEric Joyner } 7149dc2f6e2SEric Joyner update_media = true; 71571d10453SEric Joyner } 71671d10453SEric Joyner 71771d10453SEric Joyner /* Update the supported media types */ 718*9c30461dSEric Joyner if (update_media && !ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 7197d7af7f8SEric Joyner status = ice_add_media_types(sc, sc->media); 72071d10453SEric Joyner if (status) 72171d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 72271d10453SEric Joyner ice_status_str(status), 72371d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 72471d10453SEric Joyner } 72571d10453SEric Joyner } 72671d10453SEric Joyner 72771d10453SEric Joyner /** 72871d10453SEric Joyner * ice_if_attach_post - Late device attach logic 72971d10453SEric Joyner * @ctx: the iflib context structure 73071d10453SEric Joyner * 73171d10453SEric Joyner * Called by iflib to finish up attaching the device. Performs any attach 73271d10453SEric Joyner * logic which must wait until after the Tx and Rx queues have been 73371d10453SEric Joyner * allocated. 73471d10453SEric Joyner */ 73571d10453SEric Joyner static int 73671d10453SEric Joyner ice_if_attach_post(if_ctx_t ctx) 73771d10453SEric Joyner { 73871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 73971d10453SEric Joyner if_t ifp = iflib_get_ifp(ctx); 740*9c30461dSEric Joyner enum ice_status status; 74171d10453SEric Joyner int err; 74271d10453SEric Joyner 74371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 74471d10453SEric Joyner 74571d10453SEric Joyner /* We don't yet support loading if MSI-X is not supported */ 74671d10453SEric Joyner if (sc->scctx->isc_intr != IFLIB_INTR_MSIX) { 74771d10453SEric Joyner device_printf(sc->dev, "The ice driver does not support loading without MSI-X\n"); 74871d10453SEric Joyner return (ENOTSUP); 74971d10453SEric Joyner } 75071d10453SEric Joyner 75171d10453SEric Joyner /* The ifnet structure hasn't yet been initialized when the attach_pre 75271d10453SEric Joyner * handler is called, so wait until attach_post to setup the 75371d10453SEric Joyner * isc_max_frame_size. 75471d10453SEric Joyner */ 75571d10453SEric Joyner 75671d10453SEric Joyner sc->ifp = ifp; 757402810d3SJustin Hibbits sc->scctx->isc_max_frame_size = if_getmtu(ifp) + 75871d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 75971d10453SEric Joyner 76071d10453SEric Joyner /* 76171d10453SEric Joyner * If we are in recovery mode, only perform a limited subset of 76271d10453SEric Joyner * initialization to support NVM recovery. 76371d10453SEric Joyner */ 76471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 76571d10453SEric Joyner ice_attach_post_recovery_mode(sc); 76671d10453SEric Joyner return (0); 76771d10453SEric Joyner } 76871d10453SEric Joyner 76971d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 77071d10453SEric Joyner 77171d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 77271d10453SEric Joyner if (err) { 77371d10453SEric Joyner device_printf(sc->dev, "Unable to initialize Main VSI: %s\n", 77471d10453SEric Joyner ice_err_str(err)); 77571d10453SEric Joyner return err; 77671d10453SEric Joyner } 77771d10453SEric Joyner 7789cf1841cSEric Joyner /* Enable FW health event reporting */ 7799cf1841cSEric Joyner ice_init_health_events(sc); 7809cf1841cSEric Joyner 78171d10453SEric Joyner /* Configure the main PF VSI for RSS */ 78271d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 78371d10453SEric Joyner if (err) { 78471d10453SEric Joyner device_printf(sc->dev, 78571d10453SEric Joyner "Unable to configure RSS for the main VSI, err %s\n", 78671d10453SEric Joyner ice_err_str(err)); 78771d10453SEric Joyner return err; 78871d10453SEric Joyner } 78971d10453SEric Joyner 79071d10453SEric Joyner /* Configure switch to drop transmitted LLDP and PAUSE frames */ 79171d10453SEric Joyner err = ice_cfg_pf_ethertype_filters(sc); 79271d10453SEric Joyner if (err) 79371d10453SEric Joyner return err; 79471d10453SEric Joyner 79571d10453SEric Joyner ice_get_and_print_bus_info(sc); 79671d10453SEric Joyner 79771d10453SEric Joyner ice_set_link_management_mode(sc); 79871d10453SEric Joyner 79971d10453SEric Joyner ice_init_saved_phy_cfg(sc); 80071d10453SEric Joyner 80156429daeSEric Joyner ice_cfg_pba_num(sc); 80256429daeSEric Joyner 803*9c30461dSEric Joyner /* Set a default value for PFC mode on attach since the FW state is unknown 804*9c30461dSEric Joyner * before sysctl tunables are executed and it can't be queried. This fixes an 805*9c30461dSEric Joyner * issue when loading the driver with the FW LLDP agent enabled but the FW 806*9c30461dSEric Joyner * was previously in DSCP PFC mode. 807*9c30461dSEric Joyner */ 808*9c30461dSEric Joyner status = ice_aq_set_pfc_mode(&sc->hw, ICE_AQC_PFC_VLAN_BASED_PFC, NULL); 809*9c30461dSEric Joyner if (status != ICE_SUCCESS) 810*9c30461dSEric Joyner device_printf(sc->dev, "Setting pfc mode failed, status %s\n", ice_status_str(status)); 811*9c30461dSEric Joyner 81271d10453SEric Joyner ice_add_device_sysctls(sc); 81371d10453SEric Joyner 81471d10453SEric Joyner /* Get DCBX/LLDP state and start DCBX agent */ 81571d10453SEric Joyner ice_init_dcb_setup(sc); 81671d10453SEric Joyner 81771d10453SEric Joyner /* Setup link configuration parameters */ 81871d10453SEric Joyner ice_init_link_configuration(sc); 81971d10453SEric Joyner ice_update_link_status(sc, true); 82071d10453SEric Joyner 82171d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 82271d10453SEric Joyner ice_configure_misc_interrupts(sc); 82371d10453SEric Joyner 82471d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 82571d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 82671d10453SEric Joyner 8278a13362dSEric Joyner err = ice_rdma_pf_attach(sc); 8288a13362dSEric Joyner if (err) 8298a13362dSEric Joyner return (err); 8308a13362dSEric Joyner 83171d10453SEric Joyner /* Start the admin timer */ 83271d10453SEric Joyner mtx_lock(&sc->admin_mtx); 83371d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 83471d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 83571d10453SEric Joyner 836*9c30461dSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) && 837*9c30461dSEric Joyner !ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) 838*9c30461dSEric Joyner ice_set_state(&sc->state, ICE_STATE_FIRST_INIT_LINK); 839*9c30461dSEric Joyner 84056429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 84156429daeSEric Joyner 84271d10453SEric Joyner return 0; 84371d10453SEric Joyner } /* ice_if_attach_post */ 84471d10453SEric Joyner 84571d10453SEric Joyner /** 84671d10453SEric Joyner * ice_attach_post_recovery_mode - Limited driver attach_post for FW recovery 84771d10453SEric Joyner * @sc: the device private softc 84871d10453SEric Joyner * 84971d10453SEric Joyner * Performs minimal work to prepare the driver to recover an NVM in case the 85071d10453SEric Joyner * firmware is in recovery mode. 85171d10453SEric Joyner */ 85271d10453SEric Joyner static void 85371d10453SEric Joyner ice_attach_post_recovery_mode(struct ice_softc *sc) 85471d10453SEric Joyner { 85571d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 85671d10453SEric Joyner ice_configure_misc_interrupts(sc); 85771d10453SEric Joyner 85871d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 85971d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 86071d10453SEric Joyner 86171d10453SEric Joyner /* Start the admin timer */ 86271d10453SEric Joyner mtx_lock(&sc->admin_mtx); 86371d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 86471d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 86556429daeSEric Joyner 86656429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 86771d10453SEric Joyner } 86871d10453SEric Joyner 86971d10453SEric Joyner /** 87071d10453SEric Joyner * ice_free_irqvs - Free IRQ vector memory 87171d10453SEric Joyner * @sc: the device private softc structure 87271d10453SEric Joyner * 87371d10453SEric Joyner * Free IRQ vector memory allocated during ice_if_msix_intr_assign. 87471d10453SEric Joyner */ 87571d10453SEric Joyner static void 87671d10453SEric Joyner ice_free_irqvs(struct ice_softc *sc) 87771d10453SEric Joyner { 87871d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 87971d10453SEric Joyner if_ctx_t ctx = sc->ctx; 88071d10453SEric Joyner int i; 88171d10453SEric Joyner 88271d10453SEric Joyner /* If the irqvs array is NULL, then there are no vectors to free */ 88371d10453SEric Joyner if (sc->irqvs == NULL) 88471d10453SEric Joyner return; 88571d10453SEric Joyner 88671d10453SEric Joyner /* Free the IRQ vectors */ 88771d10453SEric Joyner for (i = 0; i < sc->num_irq_vectors; i++) 88871d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[i].irq); 88971d10453SEric Joyner 89071d10453SEric Joyner /* Clear the irqv pointers */ 89171d10453SEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 89271d10453SEric Joyner vsi->rx_queues[i].irqv = NULL; 89371d10453SEric Joyner 89471d10453SEric Joyner for (i = 0; i < vsi->num_tx_queues; i++) 89571d10453SEric Joyner vsi->tx_queues[i].irqv = NULL; 89671d10453SEric Joyner 89771d10453SEric Joyner /* Release the vector array memory */ 89871d10453SEric Joyner free(sc->irqvs, M_ICE); 89971d10453SEric Joyner sc->irqvs = NULL; 90071d10453SEric Joyner sc->num_irq_vectors = 0; 90171d10453SEric Joyner } 90271d10453SEric Joyner 90371d10453SEric Joyner /** 90471d10453SEric Joyner * ice_if_detach - Device driver detach logic 90571d10453SEric Joyner * @ctx: iflib context structure 90671d10453SEric Joyner * 90771d10453SEric Joyner * Perform device shutdown logic to detach the device driver. 90871d10453SEric Joyner * 90971d10453SEric Joyner * Note that there is no guarantee of the ordering of ice_if_queues_free() and 91071d10453SEric Joyner * ice_if_detach(). It is possible for the functions to be called in either 91171d10453SEric Joyner * order, and they must not assume to have a strict ordering. 91271d10453SEric Joyner */ 91371d10453SEric Joyner static int 91471d10453SEric Joyner ice_if_detach(if_ctx_t ctx) 91571d10453SEric Joyner { 91671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 91771d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 918*9c30461dSEric Joyner enum ice_status status; 91971d10453SEric Joyner int i; 92071d10453SEric Joyner 92171d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 92271d10453SEric Joyner 92371d10453SEric Joyner /* Indicate that we're detaching */ 92471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DETACHING); 92571d10453SEric Joyner 92671d10453SEric Joyner /* Stop the admin timer */ 92771d10453SEric Joyner mtx_lock(&sc->admin_mtx); 92871d10453SEric Joyner callout_stop(&sc->admin_timer); 92971d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 93071d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 93171d10453SEric Joyner 9328a13362dSEric Joyner ice_rdma_pf_detach(sc); 9338a13362dSEric Joyner 93471d10453SEric Joyner /* Free allocated media types */ 93571d10453SEric Joyner ifmedia_removeall(sc->media); 93671d10453SEric Joyner 93771d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 93871d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_queues_free() 93971d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 94071d10453SEric Joyner * run first 94171d10453SEric Joyner */ 94271d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 94371d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 94471d10453SEric Joyner 94571d10453SEric Joyner /* Release MSI-X resources */ 94671d10453SEric Joyner ice_free_irqvs(sc); 94771d10453SEric Joyner 94871d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 94971d10453SEric Joyner if (sc->all_vsi[i]) 95071d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 95171d10453SEric Joyner } 95271d10453SEric Joyner 95371d10453SEric Joyner if (sc->all_vsi) { 95471d10453SEric Joyner free(sc->all_vsi, M_ICE); 95571d10453SEric Joyner sc->all_vsi = NULL; 95671d10453SEric Joyner } 95771d10453SEric Joyner 95871d10453SEric Joyner /* Release MSI-X memory */ 95971d10453SEric Joyner pci_release_msi(sc->dev); 96071d10453SEric Joyner 96171d10453SEric Joyner if (sc->msix_table != NULL) { 96271d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 96371d10453SEric Joyner rman_get_rid(sc->msix_table), 96471d10453SEric Joyner sc->msix_table); 96571d10453SEric Joyner sc->msix_table = NULL; 96671d10453SEric Joyner } 96771d10453SEric Joyner 96871d10453SEric Joyner ice_free_intr_tracking(sc); 96971d10453SEric Joyner 97071d10453SEric Joyner /* Destroy the queue managers */ 97171d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 97271d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 97371d10453SEric Joyner 97471d10453SEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 97571d10453SEric Joyner ice_deinit_hw(&sc->hw); 97671d10453SEric Joyner 977*9c30461dSEric Joyner IFLIB_CTX_UNLOCK(sc); 978*9c30461dSEric Joyner status = ice_reset(&sc->hw, ICE_RESET_PFR); 979*9c30461dSEric Joyner IFLIB_CTX_LOCK(sc); 980*9c30461dSEric Joyner if (status) { 981*9c30461dSEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 982*9c30461dSEric Joyner ice_status_str(status)); 983*9c30461dSEric Joyner } 984*9c30461dSEric Joyner 98571d10453SEric Joyner ice_free_pci_mapping(sc); 98671d10453SEric Joyner 98771d10453SEric Joyner return 0; 98871d10453SEric Joyner } /* ice_if_detach */ 98971d10453SEric Joyner 99071d10453SEric Joyner /** 99171d10453SEric Joyner * ice_if_tx_queues_alloc - Allocate Tx queue memory 99271d10453SEric Joyner * @ctx: iflib context structure 99371d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 99471d10453SEric Joyner * @paddrs: physical addresses for the queue memory 99571d10453SEric Joyner * @ntxqs: the number of Tx queues per set (should always be 1) 99671d10453SEric Joyner * @ntxqsets: the number of Tx queue sets to allocate 99771d10453SEric Joyner * 99871d10453SEric Joyner * Called by iflib to allocate Tx queues for the device. Allocates driver 99971d10453SEric Joyner * memory to track each queue, the status arrays used for descriptor 100071d10453SEric Joyner * status reporting, and Tx queue sysctls. 100171d10453SEric Joyner */ 100271d10453SEric Joyner static int 100371d10453SEric Joyner ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 100471d10453SEric Joyner int __invariant_only ntxqs, int ntxqsets) 100571d10453SEric Joyner { 100671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 100771d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 100871d10453SEric Joyner struct ice_tx_queue *txq; 100971d10453SEric Joyner int err, i, j; 101071d10453SEric Joyner 101171d10453SEric Joyner MPASS(ntxqs == 1); 101271d10453SEric Joyner MPASS(sc->scctx->isc_ntxd[0] <= ICE_MAX_DESC_COUNT); 101371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 101471d10453SEric Joyner 101571d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 101671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 101771d10453SEric Joyner return (0); 101871d10453SEric Joyner 101971d10453SEric Joyner /* Allocate queue structure memory */ 102071d10453SEric Joyner if (!(vsi->tx_queues = 10218923de59SPiotr Kubaj (struct ice_tx_queue *) malloc(sizeof(struct ice_tx_queue) * ntxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 102271d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Tx queue memory\n"); 102371d10453SEric Joyner return (ENOMEM); 102471d10453SEric Joyner } 102571d10453SEric Joyner 102671d10453SEric Joyner /* Allocate report status arrays */ 102771d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 102871d10453SEric Joyner if (!(txq->tx_rsq = 10298923de59SPiotr Kubaj (uint16_t *) malloc(sizeof(uint16_t) * sc->scctx->isc_ntxd[0], M_ICE, M_NOWAIT))) { 103071d10453SEric Joyner device_printf(sc->dev, "Unable to allocate tx_rsq memory\n"); 103171d10453SEric Joyner err = ENOMEM; 103271d10453SEric Joyner goto free_tx_queues; 103371d10453SEric Joyner } 103471d10453SEric Joyner /* Initialize report status array */ 103571d10453SEric Joyner for (j = 0; j < sc->scctx->isc_ntxd[0]; j++) 103671d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 103771d10453SEric Joyner } 103871d10453SEric Joyner 103971d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 104071d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, ntxqsets); 104171d10453SEric Joyner if (err) { 104271d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 104371d10453SEric Joyner ice_err_str(err)); 104471d10453SEric Joyner goto free_tx_queues; 104571d10453SEric Joyner } 104671d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 104771d10453SEric Joyner 104871d10453SEric Joyner /* Add Tx queue sysctls context */ 104971d10453SEric Joyner ice_vsi_add_txqs_ctx(vsi); 105071d10453SEric Joyner 105171d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 105256429daeSEric Joyner /* q_handle == me when only one TC */ 105356429daeSEric Joyner txq->me = txq->q_handle = i; 105471d10453SEric Joyner txq->vsi = vsi; 105571d10453SEric Joyner 105671d10453SEric Joyner /* store the queue size for easier access */ 105771d10453SEric Joyner txq->desc_count = sc->scctx->isc_ntxd[0]; 105871d10453SEric Joyner 105971d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 106071d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 106171d10453SEric Joyner txq->tx_base = (struct ice_tx_desc *)vaddrs[i]; 106271d10453SEric Joyner txq->tx_paddr = paddrs[i]; 106371d10453SEric Joyner 106471d10453SEric Joyner ice_add_txq_sysctls(txq); 106571d10453SEric Joyner } 106671d10453SEric Joyner 106771d10453SEric Joyner vsi->num_tx_queues = ntxqsets; 106871d10453SEric Joyner 106971d10453SEric Joyner return (0); 107071d10453SEric Joyner 107171d10453SEric Joyner free_tx_queues: 107271d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 107371d10453SEric Joyner if (txq->tx_rsq != NULL) { 107471d10453SEric Joyner free(txq->tx_rsq, M_ICE); 107571d10453SEric Joyner txq->tx_rsq = NULL; 107671d10453SEric Joyner } 107771d10453SEric Joyner } 107871d10453SEric Joyner free(vsi->tx_queues, M_ICE); 107971d10453SEric Joyner vsi->tx_queues = NULL; 108071d10453SEric Joyner return err; 108171d10453SEric Joyner } 108271d10453SEric Joyner 108371d10453SEric Joyner /** 108471d10453SEric Joyner * ice_if_rx_queues_alloc - Allocate Rx queue memory 108571d10453SEric Joyner * @ctx: iflib context structure 108671d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 108771d10453SEric Joyner * @paddrs: physical addresses for the queue memory 108871d10453SEric Joyner * @nrxqs: number of Rx queues per set (should always be 1) 108971d10453SEric Joyner * @nrxqsets: number of Rx queue sets to allocate 109071d10453SEric Joyner * 109171d10453SEric Joyner * Called by iflib to allocate Rx queues for the device. Allocates driver 109271d10453SEric Joyner * memory to track each queue, as well as sets up the Rx queue sysctls. 109371d10453SEric Joyner */ 109471d10453SEric Joyner static int 109571d10453SEric Joyner ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 109671d10453SEric Joyner int __invariant_only nrxqs, int nrxqsets) 109771d10453SEric Joyner { 109871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 109971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 110071d10453SEric Joyner struct ice_rx_queue *rxq; 110171d10453SEric Joyner int err, i; 110271d10453SEric Joyner 110371d10453SEric Joyner MPASS(nrxqs == 1); 110471d10453SEric Joyner MPASS(sc->scctx->isc_nrxd[0] <= ICE_MAX_DESC_COUNT); 110571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 110671d10453SEric Joyner 110771d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 110871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 110971d10453SEric Joyner return (0); 111071d10453SEric Joyner 111171d10453SEric Joyner /* Allocate queue structure memory */ 111271d10453SEric Joyner if (!(vsi->rx_queues = 11138923de59SPiotr Kubaj (struct ice_rx_queue *) malloc(sizeof(struct ice_rx_queue) * nrxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 111471d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Rx queue memory\n"); 111571d10453SEric Joyner return (ENOMEM); 111671d10453SEric Joyner } 111771d10453SEric Joyner 111871d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 111971d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, nrxqsets); 112071d10453SEric Joyner if (err) { 112171d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 112271d10453SEric Joyner ice_err_str(err)); 112371d10453SEric Joyner goto free_rx_queues; 112471d10453SEric Joyner } 112571d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 112671d10453SEric Joyner 112771d10453SEric Joyner /* Add Rx queue sysctls context */ 112871d10453SEric Joyner ice_vsi_add_rxqs_ctx(vsi); 112971d10453SEric Joyner 113071d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < nrxqsets; i++, rxq++) { 113171d10453SEric Joyner rxq->me = i; 113271d10453SEric Joyner rxq->vsi = vsi; 113371d10453SEric Joyner 113471d10453SEric Joyner /* store the queue size for easier access */ 113571d10453SEric Joyner rxq->desc_count = sc->scctx->isc_nrxd[0]; 113671d10453SEric Joyner 113771d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 113871d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 113971d10453SEric Joyner rxq->rx_base = (union ice_32b_rx_flex_desc *)vaddrs[i]; 114071d10453SEric Joyner rxq->rx_paddr = paddrs[i]; 114171d10453SEric Joyner 114271d10453SEric Joyner ice_add_rxq_sysctls(rxq); 114371d10453SEric Joyner } 114471d10453SEric Joyner 114571d10453SEric Joyner vsi->num_rx_queues = nrxqsets; 114671d10453SEric Joyner 114771d10453SEric Joyner return (0); 114871d10453SEric Joyner 114971d10453SEric Joyner free_rx_queues: 115071d10453SEric Joyner free(vsi->rx_queues, M_ICE); 115171d10453SEric Joyner vsi->rx_queues = NULL; 115271d10453SEric Joyner return err; 115371d10453SEric Joyner } 115471d10453SEric Joyner 115571d10453SEric Joyner /** 115671d10453SEric Joyner * ice_if_queues_free - Free queue memory 115771d10453SEric Joyner * @ctx: the iflib context structure 115871d10453SEric Joyner * 115971d10453SEric Joyner * Free queue memory allocated by ice_if_tx_queues_alloc() and 116071d10453SEric Joyner * ice_if_rx_queues_alloc(). 116171d10453SEric Joyner * 116271d10453SEric Joyner * There is no guarantee that ice_if_queues_free() and ice_if_detach() will be 116371d10453SEric Joyner * called in the same order. It's possible for ice_if_queues_free() to be 116471d10453SEric Joyner * called prior to ice_if_detach(), and vice versa. 116571d10453SEric Joyner * 116671d10453SEric Joyner * For this reason, the main VSI is a static member of the ice_softc, which is 116771d10453SEric Joyner * not free'd until after iflib finishes calling both of these functions. 116871d10453SEric Joyner * 116971d10453SEric Joyner * Thus, care must be taken in how we manage the memory being freed by this 117071d10453SEric Joyner * function, and in what tasks it can and must perform. 117171d10453SEric Joyner */ 117271d10453SEric Joyner static void 117371d10453SEric Joyner ice_if_queues_free(if_ctx_t ctx) 117471d10453SEric Joyner { 117571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 117671d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 117771d10453SEric Joyner struct ice_tx_queue *txq; 117871d10453SEric Joyner int i; 117971d10453SEric Joyner 118071d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 118171d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_detach() 118271d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 118371d10453SEric Joyner * run first 118471d10453SEric Joyner */ 118571d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 118671d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 118771d10453SEric Joyner 118871d10453SEric Joyner /* Release MSI-X IRQ vectors, if not yet released in ice_if_detach */ 118971d10453SEric Joyner ice_free_irqvs(sc); 119071d10453SEric Joyner 119171d10453SEric Joyner if (vsi->tx_queues != NULL) { 119271d10453SEric Joyner /* free the tx_rsq arrays */ 119371d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 119471d10453SEric Joyner if (txq->tx_rsq != NULL) { 119571d10453SEric Joyner free(txq->tx_rsq, M_ICE); 119671d10453SEric Joyner txq->tx_rsq = NULL; 119771d10453SEric Joyner } 119871d10453SEric Joyner } 119971d10453SEric Joyner free(vsi->tx_queues, M_ICE); 120071d10453SEric Joyner vsi->tx_queues = NULL; 120171d10453SEric Joyner vsi->num_tx_queues = 0; 120271d10453SEric Joyner } 120371d10453SEric Joyner if (vsi->rx_queues != NULL) { 120471d10453SEric Joyner free(vsi->rx_queues, M_ICE); 120571d10453SEric Joyner vsi->rx_queues = NULL; 120671d10453SEric Joyner vsi->num_rx_queues = 0; 120771d10453SEric Joyner } 120871d10453SEric Joyner } 120971d10453SEric Joyner 121071d10453SEric Joyner /** 121171d10453SEric Joyner * ice_msix_que - Fast interrupt handler for MSI-X receive queues 121271d10453SEric Joyner * @arg: The Rx queue memory 121371d10453SEric Joyner * 121471d10453SEric Joyner * Interrupt filter function for iflib MSI-X interrupts. Called by iflib when 121571d10453SEric Joyner * an MSI-X interrupt for a given queue is triggered. Currently this just asks 121671d10453SEric Joyner * iflib to schedule the main Rx thread. 121771d10453SEric Joyner */ 121871d10453SEric Joyner static int 121971d10453SEric Joyner ice_msix_que(void *arg) 122071d10453SEric Joyner { 122171d10453SEric Joyner struct ice_rx_queue __unused *rxq = (struct ice_rx_queue *)arg; 122271d10453SEric Joyner 122371d10453SEric Joyner /* TODO: dynamic ITR algorithm?? */ 122471d10453SEric Joyner 122571d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 122671d10453SEric Joyner } 122771d10453SEric Joyner 122871d10453SEric Joyner /** 122971d10453SEric Joyner * ice_msix_admin - Fast interrupt handler for MSI-X admin interrupt 123071d10453SEric Joyner * @arg: pointer to device softc memory 123171d10453SEric Joyner * 123271d10453SEric Joyner * Called by iflib when an administrative interrupt occurs. Should perform any 123371d10453SEric Joyner * fast logic for handling the interrupt cause, and then indicate whether the 123471d10453SEric Joyner * admin task needs to be queued. 123571d10453SEric Joyner */ 123671d10453SEric Joyner static int 123771d10453SEric Joyner ice_msix_admin(void *arg) 123871d10453SEric Joyner { 123971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 124071d10453SEric Joyner struct ice_hw *hw = &sc->hw; 124171d10453SEric Joyner device_t dev = sc->dev; 124271d10453SEric Joyner u32 oicr; 124371d10453SEric Joyner 124471d10453SEric Joyner /* There is no safe way to modify the enabled miscellaneous causes of 124571d10453SEric Joyner * the OICR vector at runtime, as doing so would be prone to race 124671d10453SEric Joyner * conditions. Reading PFINT_OICR will unmask the associated interrupt 124771d10453SEric Joyner * causes and allow future interrupts to occur. The admin interrupt 124871d10453SEric Joyner * vector will not be re-enabled until after we exit this function, 124971d10453SEric Joyner * but any delayed tasks must be resilient against possible "late 125071d10453SEric Joyner * arrival" interrupts that occur while we're already handling the 125171d10453SEric Joyner * task. This is done by using state bits and serializing these 125271d10453SEric Joyner * delayed tasks via the admin status task function. 125371d10453SEric Joyner */ 125471d10453SEric Joyner oicr = rd32(hw, PFINT_OICR); 125571d10453SEric Joyner 125671d10453SEric Joyner /* Processing multiple controlq interrupts on a single vector does not 125771d10453SEric Joyner * provide an indication of which controlq triggered the interrupt. 125871d10453SEric Joyner * We might try reading the INTEVENT bit of the respective PFINT_*_CTL 125971d10453SEric Joyner * registers. However, the INTEVENT bit is not guaranteed to be set as 126071d10453SEric Joyner * it gets automatically cleared when the hardware acknowledges the 126171d10453SEric Joyner * interrupt. 126271d10453SEric Joyner * 126371d10453SEric Joyner * This means we don't really have a good indication of whether or 126471d10453SEric Joyner * which controlq triggered this interrupt. We'll just notify the 126571d10453SEric Joyner * admin task that it should check all the controlqs. 126671d10453SEric Joyner */ 126771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 126871d10453SEric Joyner 126971d10453SEric Joyner if (oicr & PFINT_OICR_VFLR_M) { 127071d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_VFLR_PENDING); 127171d10453SEric Joyner } 127271d10453SEric Joyner 127371d10453SEric Joyner if (oicr & PFINT_OICR_MAL_DETECT_M) { 127471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_MDD_PENDING); 127571d10453SEric Joyner } 127671d10453SEric Joyner 127771d10453SEric Joyner if (oicr & PFINT_OICR_GRST_M) { 127871d10453SEric Joyner u32 reset; 127971d10453SEric Joyner 128071d10453SEric Joyner reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 128171d10453SEric Joyner GLGEN_RSTAT_RESET_TYPE_S; 128271d10453SEric Joyner 128371d10453SEric Joyner if (reset == ICE_RESET_CORER) 128471d10453SEric Joyner sc->soft_stats.corer_count++; 128571d10453SEric Joyner else if (reset == ICE_RESET_GLOBR) 128671d10453SEric Joyner sc->soft_stats.globr_count++; 128771d10453SEric Joyner else 128871d10453SEric Joyner sc->soft_stats.empr_count++; 128971d10453SEric Joyner 129071d10453SEric Joyner /* There are a couple of bits at play for handling resets. 129171d10453SEric Joyner * First, the ICE_STATE_RESET_OICR_RECV bit is used to 129271d10453SEric Joyner * indicate that the driver has received an OICR with a reset 129371d10453SEric Joyner * bit active, indicating that a CORER/GLOBR/EMPR is about to 129471d10453SEric Joyner * happen. Second, we set hw->reset_ongoing to indicate that 129571d10453SEric Joyner * the hardware is in reset. We will set this back to false as 129671d10453SEric Joyner * soon as the driver has determined that the hardware is out 129771d10453SEric Joyner * of reset. 129871d10453SEric Joyner * 1299b6f9c6aaSGordon Bergling * If the driver wishes to trigger a request, it can set one of 130071d10453SEric Joyner * the ICE_STATE_RESET_*_REQ bits, which will trigger the 130171d10453SEric Joyner * correct type of reset. 130271d10453SEric Joyner */ 130371d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 130471d10453SEric Joyner hw->reset_ongoing = true; 130571d10453SEric Joyner } 130671d10453SEric Joyner 130771d10453SEric Joyner if (oicr & PFINT_OICR_ECC_ERR_M) { 130871d10453SEric Joyner device_printf(dev, "ECC Error detected!\n"); 130971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 131071d10453SEric Joyner } 131171d10453SEric Joyner 131201fbb869SBartosz Sobczak if (oicr & (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M)) { 131301fbb869SBartosz Sobczak if (oicr & PFINT_OICR_HMC_ERR_M) 131401fbb869SBartosz Sobczak /* Log the HMC errors */ 131501fbb869SBartosz Sobczak ice_log_hmc_error(hw, dev); 131601fbb869SBartosz Sobczak ice_rdma_notify_pe_intr(sc, oicr); 131771d10453SEric Joyner } 131871d10453SEric Joyner 131971d10453SEric Joyner if (oicr & PFINT_OICR_PCI_EXCEPTION_M) { 132071d10453SEric Joyner device_printf(dev, "PCI Exception detected!\n"); 132171d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 132271d10453SEric Joyner } 132371d10453SEric Joyner 132471d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 132571d10453SEric Joyner } 132671d10453SEric Joyner 132771d10453SEric Joyner /** 132871d10453SEric Joyner * ice_allocate_msix - Allocate MSI-X vectors for the interface 132971d10453SEric Joyner * @sc: the device private softc 133071d10453SEric Joyner * 133171d10453SEric Joyner * Map the MSI-X bar, and then request MSI-X vectors in a two-stage process. 133271d10453SEric Joyner * 133371d10453SEric Joyner * First, determine a suitable total number of vectors based on the number 133471d10453SEric Joyner * of CPUs, RSS buckets, the administrative vector, and other demands such as 133571d10453SEric Joyner * RDMA. 133671d10453SEric Joyner * 133771d10453SEric Joyner * Request the desired amount of vectors, and see how many we obtain. If we 133871d10453SEric Joyner * don't obtain as many as desired, reduce the demands by lowering the number 133971d10453SEric Joyner * of requested queues or reducing the demand from other features such as 134071d10453SEric Joyner * RDMA. 134171d10453SEric Joyner * 134271d10453SEric Joyner * @remark This function is required because the driver sets the 134371d10453SEric Joyner * IFLIB_SKIP_MSIX flag indicating that the driver will manage MSI-X vectors 134471d10453SEric Joyner * manually. 134571d10453SEric Joyner * 134671d10453SEric Joyner * @remark This driver will only use MSI-X vectors. If this is not possible, 134771d10453SEric Joyner * neither MSI or legacy interrupts will be tried. 134871d10453SEric Joyner * 134971d10453SEric Joyner * @post on success this function must set the following scctx parameters: 135071d10453SEric Joyner * isc_vectors, isc_nrxqsets, isc_ntxqsets, and isc_intr. 135171d10453SEric Joyner * 135271d10453SEric Joyner * @returns zero on success or an error code on failure. 135371d10453SEric Joyner */ 135471d10453SEric Joyner static int 135571d10453SEric Joyner ice_allocate_msix(struct ice_softc *sc) 135671d10453SEric Joyner { 135771d10453SEric Joyner bool iflib_override_queue_count = false; 135871d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 135971d10453SEric Joyner device_t dev = sc->dev; 136071d10453SEric Joyner cpuset_t cpus; 136171d10453SEric Joyner int bar, queues, vectors, requested; 136271d10453SEric Joyner int err = 0; 13638a13362dSEric Joyner int rdma; 136471d10453SEric Joyner 136571d10453SEric Joyner /* Allocate the MSI-X bar */ 136671d10453SEric Joyner bar = scctx->isc_msix_bar; 136771d10453SEric Joyner sc->msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &bar, RF_ACTIVE); 136871d10453SEric Joyner if (!sc->msix_table) { 136971d10453SEric Joyner device_printf(dev, "Unable to map MSI-X table\n"); 137071d10453SEric Joyner return (ENOMEM); 137171d10453SEric Joyner } 137271d10453SEric Joyner 137371d10453SEric Joyner /* Check if the iflib queue count sysctls have been set */ 137471d10453SEric Joyner if (sc->ifc_sysctl_ntxqs || sc->ifc_sysctl_nrxqs) 137571d10453SEric Joyner iflib_override_queue_count = true; 137671d10453SEric Joyner 137771d10453SEric Joyner err = bus_get_cpus(dev, INTR_CPUS, sizeof(cpus), &cpus); 137871d10453SEric Joyner if (err) { 137971d10453SEric Joyner device_printf(dev, "%s: Unable to fetch the CPU list: %s\n", 138071d10453SEric Joyner __func__, ice_err_str(err)); 138171d10453SEric Joyner CPU_COPY(&all_cpus, &cpus); 138271d10453SEric Joyner } 138371d10453SEric Joyner 138471d10453SEric Joyner /* Attempt to mimic behavior of iflib_msix_init */ 138571d10453SEric Joyner if (iflib_override_queue_count) { 138671d10453SEric Joyner /* 138771d10453SEric Joyner * If the override sysctls have been set, limit the queues to 138871d10453SEric Joyner * the number of logical CPUs. 138971d10453SEric Joyner */ 139071d10453SEric Joyner queues = mp_ncpus; 139171d10453SEric Joyner } else { 139271d10453SEric Joyner /* 139371d10453SEric Joyner * Otherwise, limit the queue count to the CPUs associated 139471d10453SEric Joyner * with the NUMA node the device is associated with. 139571d10453SEric Joyner */ 139671d10453SEric Joyner queues = CPU_COUNT(&cpus); 139771d10453SEric Joyner } 139871d10453SEric Joyner 139971d10453SEric Joyner /* Clamp to the number of RSS buckets */ 140071d10453SEric Joyner queues = imin(queues, rss_getnumbuckets()); 140171d10453SEric Joyner 140271d10453SEric Joyner /* 140371d10453SEric Joyner * Clamp the number of queue pairs to the minimum of the requested Tx 140471d10453SEric Joyner * and Rx queues. 140571d10453SEric Joyner */ 140671d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_ntxqs ?: scctx->isc_ntxqsets); 140771d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_nrxqs ?: scctx->isc_nrxqsets); 140871d10453SEric Joyner 14098a13362dSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RDMA)) { 14108a13362dSEric Joyner /* 14118a13362dSEric Joyner * Choose a number of RDMA vectors based on the number of CPUs 14128a13362dSEric Joyner * up to a maximum 14138a13362dSEric Joyner */ 14148a13362dSEric Joyner rdma = min(CPU_COUNT(&cpus), ICE_RDMA_MAX_MSIX); 14158a13362dSEric Joyner 14168a13362dSEric Joyner /* Further limit by the user configurable tunable */ 14178a13362dSEric Joyner rdma = min(rdma, ice_rdma_max_msix); 14188a13362dSEric Joyner } else { 14198a13362dSEric Joyner rdma = 0; 14208a13362dSEric Joyner } 14218a13362dSEric Joyner 142271d10453SEric Joyner /* 142371d10453SEric Joyner * Determine the number of vectors to request. Note that we also need 142471d10453SEric Joyner * to allocate one vector for administrative tasks. 142571d10453SEric Joyner */ 14268a13362dSEric Joyner requested = rdma + queues + 1; 142771d10453SEric Joyner 142871d10453SEric Joyner vectors = requested; 142971d10453SEric Joyner 143071d10453SEric Joyner err = pci_alloc_msix(dev, &vectors); 143171d10453SEric Joyner if (err) { 143271d10453SEric Joyner device_printf(dev, "Failed to allocate %d MSI-X vectors, err %s\n", 143371d10453SEric Joyner vectors, ice_err_str(err)); 143471d10453SEric Joyner goto err_free_msix_table; 143571d10453SEric Joyner } 143671d10453SEric Joyner 143771d10453SEric Joyner /* If we don't receive enough vectors, reduce demands */ 143871d10453SEric Joyner if (vectors < requested) { 143971d10453SEric Joyner int diff = requested - vectors; 144071d10453SEric Joyner 144171d10453SEric Joyner device_printf(dev, "Requested %d MSI-X vectors, but got only %d\n", 144271d10453SEric Joyner requested, vectors); 144371d10453SEric Joyner 144471d10453SEric Joyner /* 14458a13362dSEric Joyner * The OS didn't grant us the requested number of vectors. 14468a13362dSEric Joyner * Check to see if we can reduce demands by limiting the 14478a13362dSEric Joyner * number of vectors allocated to certain features. 14488a13362dSEric Joyner */ 14498a13362dSEric Joyner 14508a13362dSEric Joyner if (rdma >= diff) { 14518a13362dSEric Joyner /* Reduce the number of RDMA vectors we reserve */ 14528a13362dSEric Joyner rdma -= diff; 14538a13362dSEric Joyner diff = 0; 14548a13362dSEric Joyner } else { 14558a13362dSEric Joyner /* Disable RDMA and reduce the difference */ 14568a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 14578a13362dSEric Joyner diff -= rdma; 14588a13362dSEric Joyner rdma = 0; 14598a13362dSEric Joyner } 14608a13362dSEric Joyner 14618a13362dSEric Joyner /* 146271d10453SEric Joyner * If we still have a difference, we need to reduce the number 146371d10453SEric Joyner * of queue pairs. 146471d10453SEric Joyner * 146571d10453SEric Joyner * However, we still need at least one vector for the admin 146671d10453SEric Joyner * interrupt and one queue pair. 146771d10453SEric Joyner */ 146871d10453SEric Joyner if (queues <= diff) { 146971d10453SEric Joyner device_printf(dev, "Unable to allocate sufficient MSI-X vectors\n"); 147071d10453SEric Joyner err = (ERANGE); 147171d10453SEric Joyner goto err_pci_release_msi; 147271d10453SEric Joyner } 147371d10453SEric Joyner 147471d10453SEric Joyner queues -= diff; 147571d10453SEric Joyner } 147671d10453SEric Joyner 147771d10453SEric Joyner device_printf(dev, "Using %d Tx and Rx queues\n", queues); 14788a13362dSEric Joyner if (rdma) 14798a13362dSEric Joyner device_printf(dev, "Reserving %d MSI-X interrupts for iRDMA\n", 14808a13362dSEric Joyner rdma); 148171d10453SEric Joyner device_printf(dev, "Using MSI-X interrupts with %d vectors\n", 148271d10453SEric Joyner vectors); 148371d10453SEric Joyner 148471d10453SEric Joyner scctx->isc_vectors = vectors; 148571d10453SEric Joyner scctx->isc_nrxqsets = queues; 148671d10453SEric Joyner scctx->isc_ntxqsets = queues; 148771d10453SEric Joyner scctx->isc_intr = IFLIB_INTR_MSIX; 148871d10453SEric Joyner 14898a13362dSEric Joyner sc->irdma_vectors = rdma; 14908a13362dSEric Joyner 149171d10453SEric Joyner /* Interrupt allocation tracking isn't required in recovery mode, 149271d10453SEric Joyner * since neither RDMA nor VFs are enabled. 149371d10453SEric Joyner */ 149471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 149571d10453SEric Joyner return (0); 149671d10453SEric Joyner 149771d10453SEric Joyner /* Keep track of which interrupt indices are being used for what */ 14988a13362dSEric Joyner sc->lan_vectors = vectors - rdma; 149971d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->imgr, sc->pf_imap, sc->lan_vectors); 150071d10453SEric Joyner if (err) { 150171d10453SEric Joyner device_printf(dev, "Unable to assign PF interrupt mapping: %s\n", 150271d10453SEric Joyner ice_err_str(err)); 150371d10453SEric Joyner goto err_pci_release_msi; 150471d10453SEric Joyner } 15058a13362dSEric Joyner err = ice_resmgr_assign_contiguous(&sc->imgr, sc->rdma_imap, rdma); 15068a13362dSEric Joyner if (err) { 15078a13362dSEric Joyner device_printf(dev, "Unable to assign PF RDMA interrupt mapping: %s\n", 15088a13362dSEric Joyner ice_err_str(err)); 15098a13362dSEric Joyner ice_resmgr_release_map(&sc->imgr, sc->pf_imap, 15108a13362dSEric Joyner sc->lan_vectors); 15118a13362dSEric Joyner goto err_pci_release_msi; 15128a13362dSEric Joyner } 151371d10453SEric Joyner 151471d10453SEric Joyner return (0); 151571d10453SEric Joyner 151671d10453SEric Joyner err_pci_release_msi: 151771d10453SEric Joyner pci_release_msi(dev); 151871d10453SEric Joyner err_free_msix_table: 151971d10453SEric Joyner if (sc->msix_table != NULL) { 152071d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 152171d10453SEric Joyner rman_get_rid(sc->msix_table), 152271d10453SEric Joyner sc->msix_table); 152371d10453SEric Joyner sc->msix_table = NULL; 152471d10453SEric Joyner } 152571d10453SEric Joyner 152671d10453SEric Joyner return (err); 152771d10453SEric Joyner } 152871d10453SEric Joyner 152971d10453SEric Joyner /** 153071d10453SEric Joyner * ice_if_msix_intr_assign - Assign MSI-X interrupt vectors to queues 153171d10453SEric Joyner * @ctx: the iflib context structure 153271d10453SEric Joyner * @msix: the number of vectors we were assigned 153371d10453SEric Joyner * 153471d10453SEric Joyner * Called by iflib to assign MSI-X vectors to queues. Currently requires that 153571d10453SEric Joyner * we get at least the same number of vectors as we have queues, and that we 153671d10453SEric Joyner * always have the same number of Tx and Rx queues. 153771d10453SEric Joyner * 153871d10453SEric Joyner * Tx queues use a softirq instead of using their own hardware interrupt. 153971d10453SEric Joyner */ 154071d10453SEric Joyner static int 154171d10453SEric Joyner ice_if_msix_intr_assign(if_ctx_t ctx, int msix) 154271d10453SEric Joyner { 154371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 154471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 154571d10453SEric Joyner int err, i, vector; 154671d10453SEric Joyner 154771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 154871d10453SEric Joyner 154971d10453SEric Joyner if (vsi->num_rx_queues != vsi->num_tx_queues) { 155071d10453SEric Joyner device_printf(sc->dev, 155171d10453SEric 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", 155271d10453SEric Joyner vsi->num_tx_queues, vsi->num_rx_queues); 155371d10453SEric Joyner return (EOPNOTSUPP); 155471d10453SEric Joyner } 155571d10453SEric Joyner 155671d10453SEric Joyner if (msix < (vsi->num_rx_queues + 1)) { 155771d10453SEric Joyner device_printf(sc->dev, 155871d10453SEric Joyner "Not enough MSI-X vectors to assign one vector to each queue pair\n"); 155971d10453SEric Joyner return (EOPNOTSUPP); 156071d10453SEric Joyner } 156171d10453SEric Joyner 156271d10453SEric Joyner /* Save the number of vectors for future use */ 156371d10453SEric Joyner sc->num_irq_vectors = vsi->num_rx_queues + 1; 156471d10453SEric Joyner 156571d10453SEric Joyner /* Allocate space to store the IRQ vector data */ 156671d10453SEric Joyner if (!(sc->irqvs = 156771d10453SEric Joyner (struct ice_irq_vector *) malloc(sizeof(struct ice_irq_vector) * (sc->num_irq_vectors), 156871d10453SEric Joyner M_ICE, M_NOWAIT))) { 156971d10453SEric Joyner device_printf(sc->dev, 157071d10453SEric Joyner "Unable to allocate irqv memory\n"); 157171d10453SEric Joyner return (ENOMEM); 157271d10453SEric Joyner } 157371d10453SEric Joyner 157471d10453SEric Joyner /* Administrative interrupt events will use vector 0 */ 157571d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[0].irq, 1, IFLIB_INTR_ADMIN, 157671d10453SEric Joyner ice_msix_admin, sc, 0, "admin"); 157771d10453SEric Joyner if (err) { 157871d10453SEric Joyner device_printf(sc->dev, 157971d10453SEric Joyner "Failed to register Admin queue handler: %s\n", 158071d10453SEric Joyner ice_err_str(err)); 158171d10453SEric Joyner goto free_irqvs; 158271d10453SEric Joyner } 158371d10453SEric Joyner sc->irqvs[0].me = 0; 158471d10453SEric Joyner 158571d10453SEric Joyner /* Do not allocate queue interrupts when in recovery mode */ 158671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 158771d10453SEric Joyner return (0); 158871d10453SEric Joyner 158971d10453SEric Joyner for (i = 0, vector = 1; i < vsi->num_rx_queues; i++, vector++) { 159071d10453SEric Joyner struct ice_rx_queue *rxq = &vsi->rx_queues[i]; 159171d10453SEric Joyner struct ice_tx_queue *txq = &vsi->tx_queues[i]; 159271d10453SEric Joyner int rid = vector + 1; 159371d10453SEric Joyner char irq_name[16]; 159471d10453SEric Joyner 159571d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "rxq%d", i); 159671d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[vector].irq, rid, 159781be6552SMatt Macy IFLIB_INTR_RXTX, ice_msix_que, 159871d10453SEric Joyner rxq, rxq->me, irq_name); 159971d10453SEric Joyner if (err) { 160071d10453SEric Joyner device_printf(sc->dev, 160171d10453SEric Joyner "Failed to allocate q int %d err: %s\n", 160271d10453SEric Joyner i, ice_err_str(err)); 160371d10453SEric Joyner vector--; 160471d10453SEric Joyner i--; 160571d10453SEric Joyner goto fail; 160671d10453SEric Joyner } 160771d10453SEric Joyner sc->irqvs[vector].me = vector; 160871d10453SEric Joyner rxq->irqv = &sc->irqvs[vector]; 160971d10453SEric Joyner 161071d10453SEric Joyner bzero(irq_name, sizeof(irq_name)); 161171d10453SEric Joyner 161271d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "txq%d", i); 161371d10453SEric Joyner iflib_softirq_alloc_generic(ctx, &sc->irqvs[vector].irq, 161471d10453SEric Joyner IFLIB_INTR_TX, txq, 161571d10453SEric Joyner txq->me, irq_name); 161671d10453SEric Joyner txq->irqv = &sc->irqvs[vector]; 161771d10453SEric Joyner } 161871d10453SEric Joyner 161971d10453SEric Joyner return (0); 162071d10453SEric Joyner fail: 162171d10453SEric Joyner for (; i >= 0; i--, vector--) 162271d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[vector].irq); 162371d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[0].irq); 162471d10453SEric Joyner free_irqvs: 162571d10453SEric Joyner free(sc->irqvs, M_ICE); 162671d10453SEric Joyner sc->irqvs = NULL; 162771d10453SEric Joyner return err; 162871d10453SEric Joyner } 162971d10453SEric Joyner 163071d10453SEric Joyner /** 163171d10453SEric Joyner * ice_if_mtu_set - Set the device MTU 163271d10453SEric Joyner * @ctx: iflib context structure 163371d10453SEric Joyner * @mtu: the MTU requested 163471d10453SEric Joyner * 163571d10453SEric Joyner * Called by iflib to configure the device's Maximum Transmission Unit (MTU). 163671d10453SEric Joyner * 163771d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 163871d10453SEric Joyner */ 163971d10453SEric Joyner static int 164071d10453SEric Joyner ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 164171d10453SEric Joyner { 164271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 164371d10453SEric Joyner 164471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 164571d10453SEric Joyner 164671d10453SEric Joyner /* Do not support configuration when in recovery mode */ 164771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 164871d10453SEric Joyner return (ENOSYS); 164971d10453SEric Joyner 165071d10453SEric Joyner if (mtu < ICE_MIN_MTU || mtu > ICE_MAX_MTU) 165171d10453SEric Joyner return (EINVAL); 165271d10453SEric Joyner 165371d10453SEric Joyner sc->scctx->isc_max_frame_size = mtu + 165471d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 165571d10453SEric Joyner 165671d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 165771d10453SEric Joyner 165871d10453SEric Joyner return (0); 165971d10453SEric Joyner } 166071d10453SEric Joyner 166171d10453SEric Joyner /** 166271d10453SEric Joyner * ice_if_intr_enable - Enable device interrupts 166371d10453SEric Joyner * @ctx: iflib context structure 166471d10453SEric Joyner * 166571d10453SEric Joyner * Called by iflib to request enabling device interrupts. 166671d10453SEric Joyner */ 166771d10453SEric Joyner static void 166871d10453SEric Joyner ice_if_intr_enable(if_ctx_t ctx) 166971d10453SEric Joyner { 167071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 167171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 167271d10453SEric Joyner struct ice_hw *hw = &sc->hw; 167371d10453SEric Joyner 167471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 167571d10453SEric Joyner 167671d10453SEric Joyner /* Enable ITR 0 */ 167771d10453SEric Joyner ice_enable_intr(hw, sc->irqvs[0].me); 167871d10453SEric Joyner 167971d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 168071d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 168171d10453SEric Joyner return; 168271d10453SEric Joyner 168371d10453SEric Joyner /* Enable all queue interrupts */ 168471d10453SEric Joyner for (int i = 0; i < vsi->num_rx_queues; i++) 168571d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[i].irqv->me); 168671d10453SEric Joyner } 168771d10453SEric Joyner 168871d10453SEric Joyner /** 168971d10453SEric Joyner * ice_if_intr_disable - Disable device interrupts 169071d10453SEric Joyner * @ctx: iflib context structure 169171d10453SEric Joyner * 169271d10453SEric Joyner * Called by iflib to request disabling device interrupts. 169371d10453SEric Joyner */ 169471d10453SEric Joyner static void 169571d10453SEric Joyner ice_if_intr_disable(if_ctx_t ctx) 169671d10453SEric Joyner { 169771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 169871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 169971d10453SEric Joyner unsigned int i; 170071d10453SEric Joyner 170171d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 170271d10453SEric Joyner 170371d10453SEric Joyner /* IFDI_INTR_DISABLE may be called prior to interrupts actually being 170471d10453SEric Joyner * assigned to queues. Instead of assuming that the interrupt 170571d10453SEric Joyner * assignment in the rx_queues structure is valid, just disable all 170671d10453SEric Joyner * possible interrupts 170771d10453SEric Joyner * 170871d10453SEric Joyner * Note that we choose not to disable ITR 0 because this handles the 170971d10453SEric Joyner * AdminQ interrupts, and we want to keep processing these even when 171071d10453SEric Joyner * the interface is offline. 171171d10453SEric Joyner */ 171271d10453SEric Joyner for (i = 1; i < hw->func_caps.common_cap.num_msix_vectors; i++) 171371d10453SEric Joyner ice_disable_intr(hw, i); 171471d10453SEric Joyner } 171571d10453SEric Joyner 171671d10453SEric Joyner /** 171771d10453SEric Joyner * ice_if_rx_queue_intr_enable - Enable a specific Rx queue interrupt 171871d10453SEric Joyner * @ctx: iflib context structure 171971d10453SEric Joyner * @rxqid: the Rx queue to enable 172071d10453SEric Joyner * 172171d10453SEric Joyner * Enable a specific Rx queue interrupt. 172271d10453SEric Joyner * 172371d10453SEric Joyner * This function is not protected by the iflib CTX lock. 172471d10453SEric Joyner */ 172571d10453SEric Joyner static int 172671d10453SEric Joyner ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 172771d10453SEric Joyner { 172871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 172971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 173071d10453SEric Joyner struct ice_hw *hw = &sc->hw; 173171d10453SEric Joyner 173271d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 173371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 173471d10453SEric Joyner return (ENOSYS); 173571d10453SEric Joyner 173671d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[rxqid].irqv->me); 173771d10453SEric Joyner return (0); 173871d10453SEric Joyner } 173971d10453SEric Joyner 174071d10453SEric Joyner /** 174171d10453SEric Joyner * ice_if_tx_queue_intr_enable - Enable a specific Tx queue interrupt 174271d10453SEric Joyner * @ctx: iflib context structure 174371d10453SEric Joyner * @txqid: the Tx queue to enable 174471d10453SEric Joyner * 174571d10453SEric Joyner * Enable a specific Tx queue interrupt. 174671d10453SEric Joyner * 174771d10453SEric Joyner * This function is not protected by the iflib CTX lock. 174871d10453SEric Joyner */ 174971d10453SEric Joyner static int 175071d10453SEric Joyner ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 175171d10453SEric Joyner { 175271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 175371d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 175471d10453SEric Joyner struct ice_hw *hw = &sc->hw; 175571d10453SEric Joyner 175671d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 175771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 175871d10453SEric Joyner return (ENOSYS); 175971d10453SEric Joyner 176071d10453SEric Joyner ice_enable_intr(hw, vsi->tx_queues[txqid].irqv->me); 176171d10453SEric Joyner return (0); 176271d10453SEric Joyner } 176371d10453SEric Joyner 176471d10453SEric Joyner /** 1765*9c30461dSEric Joyner * ice_set_default_promisc_mask - Set default config for promisc settings 1766*9c30461dSEric Joyner * @promisc_mask: bitmask to setup 1767*9c30461dSEric Joyner * 1768*9c30461dSEric Joyner * The ice_(set|clear)_vsi_promisc() function expects a mask of promiscuous 1769*9c30461dSEric Joyner * modes to operate on. The mask used in here is the default one for the 1770*9c30461dSEric Joyner * driver, where promiscuous is enabled/disabled for all types of 1771*9c30461dSEric Joyner * non-VLAN-tagged/VLAN 0 traffic. 1772*9c30461dSEric Joyner */ 1773*9c30461dSEric Joyner static void 1774*9c30461dSEric Joyner ice_set_default_promisc_mask(ice_bitmap_t *promisc_mask) 1775*9c30461dSEric Joyner { 1776*9c30461dSEric Joyner ice_zero_bitmap(promisc_mask, ICE_PROMISC_MAX); 1777*9c30461dSEric Joyner ice_set_bit(ICE_PROMISC_UCAST_TX, promisc_mask); 1778*9c30461dSEric Joyner ice_set_bit(ICE_PROMISC_UCAST_RX, promisc_mask); 1779*9c30461dSEric Joyner ice_set_bit(ICE_PROMISC_MCAST_TX, promisc_mask); 1780*9c30461dSEric Joyner ice_set_bit(ICE_PROMISC_MCAST_RX, promisc_mask); 1781*9c30461dSEric Joyner } 1782*9c30461dSEric Joyner 1783*9c30461dSEric Joyner /** 178471d10453SEric Joyner * ice_if_promisc_set - Set device promiscuous mode 178571d10453SEric Joyner * @ctx: iflib context structure 178671d10453SEric Joyner * @flags: promiscuous flags to configure 178771d10453SEric Joyner * 178871d10453SEric Joyner * Called by iflib to configure device promiscuous mode. 178971d10453SEric Joyner * 179071d10453SEric Joyner * @remark Calls to this function will always overwrite the previous setting 179171d10453SEric Joyner */ 179271d10453SEric Joyner static int 179371d10453SEric Joyner ice_if_promisc_set(if_ctx_t ctx, int flags) 179471d10453SEric Joyner { 179571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 179671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 179771d10453SEric Joyner device_t dev = sc->dev; 179871d10453SEric Joyner enum ice_status status; 179971d10453SEric Joyner bool promisc_enable = flags & IFF_PROMISC; 180071d10453SEric Joyner bool multi_enable = flags & IFF_ALLMULTI; 1801*9c30461dSEric Joyner ice_declare_bitmap(promisc_mask, ICE_PROMISC_MAX); 180271d10453SEric Joyner 180371d10453SEric Joyner /* Do not support configuration when in recovery mode */ 180471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 180571d10453SEric Joyner return (ENOSYS); 180671d10453SEric Joyner 1807*9c30461dSEric Joyner ice_set_default_promisc_mask(promisc_mask); 1808*9c30461dSEric Joyner 180971d10453SEric Joyner if (multi_enable) 181071d10453SEric Joyner return (EOPNOTSUPP); 181171d10453SEric Joyner 181271d10453SEric Joyner if (promisc_enable) { 181371d10453SEric Joyner status = ice_set_vsi_promisc(hw, sc->pf_vsi.idx, 1814*9c30461dSEric Joyner promisc_mask, 0); 181571d10453SEric Joyner if (status && status != ICE_ERR_ALREADY_EXISTS) { 181671d10453SEric Joyner device_printf(dev, 181771d10453SEric Joyner "Failed to enable promiscuous mode for PF VSI, err %s aq_err %s\n", 181871d10453SEric Joyner ice_status_str(status), 181971d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 182071d10453SEric Joyner return (EIO); 182171d10453SEric Joyner } 182271d10453SEric Joyner } else { 182371d10453SEric Joyner status = ice_clear_vsi_promisc(hw, sc->pf_vsi.idx, 1824*9c30461dSEric Joyner promisc_mask, 0); 182571d10453SEric Joyner if (status) { 182671d10453SEric Joyner device_printf(dev, 182771d10453SEric Joyner "Failed to disable promiscuous mode for PF VSI, err %s aq_err %s\n", 182871d10453SEric Joyner ice_status_str(status), 182971d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 183071d10453SEric Joyner return (EIO); 183171d10453SEric Joyner } 183271d10453SEric Joyner } 183371d10453SEric Joyner 183471d10453SEric Joyner return (0); 183571d10453SEric Joyner } 183671d10453SEric Joyner 183771d10453SEric Joyner /** 183871d10453SEric Joyner * ice_if_media_change - Change device media 183971d10453SEric Joyner * @ctx: device ctx structure 184071d10453SEric Joyner * 184171d10453SEric Joyner * Called by iflib when a media change is requested. This operation is not 184271d10453SEric Joyner * supported by the hardware, so we just return an error code. 184371d10453SEric Joyner */ 184471d10453SEric Joyner static int 184571d10453SEric Joyner ice_if_media_change(if_ctx_t ctx) 184671d10453SEric Joyner { 184771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 184871d10453SEric Joyner 184971d10453SEric Joyner device_printf(sc->dev, "Media change is not supported.\n"); 185071d10453SEric Joyner return (ENODEV); 185171d10453SEric Joyner } 185271d10453SEric Joyner 185371d10453SEric Joyner /** 185471d10453SEric Joyner * ice_if_media_status - Report current device media 185571d10453SEric Joyner * @ctx: iflib context structure 185671d10453SEric Joyner * @ifmr: ifmedia request structure to update 185771d10453SEric Joyner * 185871d10453SEric Joyner * Updates the provided ifmr with current device media status, including link 185971d10453SEric Joyner * status and media type. 186071d10453SEric Joyner */ 186171d10453SEric Joyner static void 186271d10453SEric Joyner ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr) 186371d10453SEric Joyner { 186471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 186571d10453SEric Joyner struct ice_link_status *li = &sc->hw.port_info->phy.link_info; 186671d10453SEric Joyner 186771d10453SEric Joyner ifmr->ifm_status = IFM_AVALID; 186871d10453SEric Joyner ifmr->ifm_active = IFM_ETHER; 186971d10453SEric Joyner 187071d10453SEric Joyner /* Never report link up or media types when in recovery mode */ 187171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 187271d10453SEric Joyner return; 187371d10453SEric Joyner 187471d10453SEric Joyner if (!sc->link_up) 187571d10453SEric Joyner return; 187671d10453SEric Joyner 187771d10453SEric Joyner ifmr->ifm_status |= IFM_ACTIVE; 187871d10453SEric Joyner ifmr->ifm_active |= IFM_FDX; 187971d10453SEric Joyner 188071d10453SEric Joyner if (li->phy_type_low) 188171d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_low(li->phy_type_low); 188271d10453SEric Joyner else if (li->phy_type_high) 188371d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_high(li->phy_type_high); 188471d10453SEric Joyner else 188571d10453SEric Joyner ifmr->ifm_active |= IFM_UNKNOWN; 188671d10453SEric Joyner 188771d10453SEric Joyner /* Report flow control status as well */ 188871d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_TX) 188971d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_TXPAUSE; 189071d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_RX) 189171d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_RXPAUSE; 189271d10453SEric Joyner } 189371d10453SEric Joyner 189471d10453SEric Joyner /** 189571d10453SEric Joyner * ice_init_tx_tracking - Initialize Tx queue software tracking values 189671d10453SEric Joyner * @vsi: the VSI to initialize 189771d10453SEric Joyner * 189871d10453SEric Joyner * Initialize Tx queue software tracking values, including the Report Status 189971d10453SEric Joyner * queue, and related software tracking values. 190071d10453SEric Joyner */ 190171d10453SEric Joyner static void 190271d10453SEric Joyner ice_init_tx_tracking(struct ice_vsi *vsi) 190371d10453SEric Joyner { 190471d10453SEric Joyner struct ice_tx_queue *txq; 190571d10453SEric Joyner size_t j; 190671d10453SEric Joyner int i; 190771d10453SEric Joyner 190871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 190971d10453SEric Joyner 191071d10453SEric Joyner txq->tx_rs_cidx = txq->tx_rs_pidx = 0; 191171d10453SEric Joyner 191271d10453SEric Joyner /* Initialize the last processed descriptor to be the end of 191371d10453SEric Joyner * the ring, rather than the start, so that we avoid an 191471d10453SEric Joyner * off-by-one error in ice_ift_txd_credits_update for the 191571d10453SEric Joyner * first packet. 191671d10453SEric Joyner */ 191771d10453SEric Joyner txq->tx_cidx_processed = txq->desc_count - 1; 191871d10453SEric Joyner 191971d10453SEric Joyner for (j = 0; j < txq->desc_count; j++) 192071d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 192171d10453SEric Joyner } 192271d10453SEric Joyner } 192371d10453SEric Joyner 192471d10453SEric Joyner /** 192571d10453SEric Joyner * ice_update_rx_mbuf_sz - Update the Rx buffer size for all queues 192671d10453SEric Joyner * @sc: the device softc 192771d10453SEric Joyner * 192871d10453SEric Joyner * Called to update the Rx queue mbuf_sz parameter for configuring the receive 192971d10453SEric Joyner * buffer sizes when programming hardware. 193071d10453SEric Joyner */ 193171d10453SEric Joyner static void 193271d10453SEric Joyner ice_update_rx_mbuf_sz(struct ice_softc *sc) 193371d10453SEric Joyner { 193471d10453SEric Joyner uint32_t mbuf_sz = iflib_get_rx_mbuf_sz(sc->ctx); 193571d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 193671d10453SEric Joyner 193771d10453SEric Joyner MPASS(mbuf_sz <= UINT16_MAX); 193871d10453SEric Joyner vsi->mbuf_sz = mbuf_sz; 193971d10453SEric Joyner } 194071d10453SEric Joyner 194171d10453SEric Joyner /** 194271d10453SEric Joyner * ice_if_init - Initialize the device 194371d10453SEric Joyner * @ctx: iflib ctx structure 194471d10453SEric Joyner * 194571d10453SEric Joyner * Called by iflib to bring the device up, i.e. ifconfig ice0 up. Initializes 194671d10453SEric Joyner * device filters and prepares the Tx and Rx engines. 194771d10453SEric Joyner * 194871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 194971d10453SEric Joyner */ 195071d10453SEric Joyner static void 195171d10453SEric Joyner ice_if_init(if_ctx_t ctx) 195271d10453SEric Joyner { 195371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 195471d10453SEric Joyner device_t dev = sc->dev; 195571d10453SEric Joyner int err; 195671d10453SEric Joyner 195771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 195871d10453SEric Joyner 19597d7af7f8SEric Joyner /* 19607d7af7f8SEric Joyner * We've seen an issue with 11.3/12.1 where sideband routines are 19617d7af7f8SEric Joyner * called after detach is called. This would call routines after 19627d7af7f8SEric Joyner * if_stop, causing issues with the teardown process. This has 19637d7af7f8SEric Joyner * seemingly been fixed in STABLE snapshots, but it seems like a 19647d7af7f8SEric Joyner * good idea to have this guard here regardless. 19657d7af7f8SEric Joyner */ 19667d7af7f8SEric Joyner if (ice_driver_is_detaching(sc)) 19677d7af7f8SEric Joyner return; 19687d7af7f8SEric Joyner 196971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 197071d10453SEric Joyner return; 197171d10453SEric Joyner 197271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 197371d10453SEric Joyner device_printf(sc->dev, "request to start interface cannot be completed as the device failed to reset\n"); 197471d10453SEric Joyner return; 197571d10453SEric Joyner } 197671d10453SEric Joyner 197771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 197871d10453SEric Joyner device_printf(sc->dev, "request to start interface while device is prepared for impending reset\n"); 197971d10453SEric Joyner return; 198071d10453SEric Joyner } 198171d10453SEric Joyner 198271d10453SEric Joyner ice_update_rx_mbuf_sz(sc); 198371d10453SEric Joyner 198471d10453SEric Joyner /* Update the MAC address... User might use a LAA */ 198571d10453SEric Joyner err = ice_update_laa_mac(sc); 198671d10453SEric Joyner if (err) { 198771d10453SEric Joyner device_printf(dev, 198871d10453SEric Joyner "LAA address change failed, err %s\n", 198971d10453SEric Joyner ice_err_str(err)); 199071d10453SEric Joyner return; 199171d10453SEric Joyner } 199271d10453SEric Joyner 199371d10453SEric Joyner /* Initialize software Tx tracking values */ 199471d10453SEric Joyner ice_init_tx_tracking(&sc->pf_vsi); 199571d10453SEric Joyner 199671d10453SEric Joyner err = ice_cfg_vsi_for_tx(&sc->pf_vsi); 199771d10453SEric Joyner if (err) { 199871d10453SEric Joyner device_printf(dev, 199971d10453SEric Joyner "Unable to configure the main VSI for Tx: %s\n", 200071d10453SEric Joyner ice_err_str(err)); 200171d10453SEric Joyner return; 200271d10453SEric Joyner } 200371d10453SEric Joyner 200471d10453SEric Joyner err = ice_cfg_vsi_for_rx(&sc->pf_vsi); 200571d10453SEric Joyner if (err) { 200671d10453SEric Joyner device_printf(dev, 200771d10453SEric Joyner "Unable to configure the main VSI for Rx: %s\n", 200871d10453SEric Joyner ice_err_str(err)); 200971d10453SEric Joyner goto err_cleanup_tx; 201071d10453SEric Joyner } 201171d10453SEric Joyner 20129dc2f6e2SEric Joyner err = ice_control_all_rx_queues(&sc->pf_vsi, true); 201371d10453SEric Joyner if (err) { 201471d10453SEric Joyner device_printf(dev, 201571d10453SEric Joyner "Unable to enable Rx rings for transmit: %s\n", 201671d10453SEric Joyner ice_err_str(err)); 201771d10453SEric Joyner goto err_cleanup_tx; 201871d10453SEric Joyner } 201971d10453SEric Joyner 202071d10453SEric Joyner err = ice_cfg_pf_default_mac_filters(sc); 202171d10453SEric Joyner if (err) { 202271d10453SEric Joyner device_printf(dev, 202371d10453SEric Joyner "Unable to configure default MAC filters: %s\n", 202471d10453SEric Joyner ice_err_str(err)); 202571d10453SEric Joyner goto err_stop_rx; 202671d10453SEric Joyner } 202771d10453SEric Joyner 202871d10453SEric Joyner /* We use software interrupts for Tx, so we only program the hardware 202971d10453SEric Joyner * interrupts for Rx. 203071d10453SEric Joyner */ 20319dc2f6e2SEric Joyner ice_configure_all_rxq_interrupts(&sc->pf_vsi); 203271d10453SEric Joyner ice_configure_rx_itr(&sc->pf_vsi); 203371d10453SEric Joyner 203471d10453SEric Joyner /* Configure promiscuous mode */ 203571d10453SEric Joyner ice_if_promisc_set(ctx, if_getflags(sc->ifp)); 203671d10453SEric Joyner 2037*9c30461dSEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_FIRST_INIT_LINK)) 2038*9c30461dSEric Joyner if (!sc->link_up && ((if_getflags(sc->ifp) & IFF_UP) || 2039*9c30461dSEric Joyner ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN))) 2040*9c30461dSEric Joyner ice_set_link(sc, true); 2041*9c30461dSEric Joyner 20428a13362dSEric Joyner ice_rdma_pf_init(sc); 20438a13362dSEric Joyner 204471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED); 204571d10453SEric Joyner return; 204671d10453SEric Joyner 204771d10453SEric Joyner err_stop_rx: 20489dc2f6e2SEric Joyner ice_control_all_rx_queues(&sc->pf_vsi, false); 204971d10453SEric Joyner err_cleanup_tx: 205071d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 205171d10453SEric Joyner } 205271d10453SEric Joyner 205371d10453SEric Joyner /** 205471d10453SEric Joyner * ice_poll_for_media_avail - Re-enable link if media is detected 205571d10453SEric Joyner * @sc: device private structure 205671d10453SEric Joyner * 205771d10453SEric Joyner * Intended to be called from the driver's timer function, this function 205871d10453SEric Joyner * sends the Get Link Status AQ command and re-enables HW link if the 205971d10453SEric Joyner * command says that media is available. 206071d10453SEric Joyner * 206171d10453SEric Joyner * If the driver doesn't have the "NO_MEDIA" state set, then this does nothing, 206271d10453SEric Joyner * since media removal events are supposed to be sent to the driver through 206371d10453SEric Joyner * a link status event. 206471d10453SEric Joyner */ 206571d10453SEric Joyner static void 206671d10453SEric Joyner ice_poll_for_media_avail(struct ice_softc *sc) 206771d10453SEric Joyner { 206871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 206971d10453SEric Joyner struct ice_port_info *pi = hw->port_info; 207071d10453SEric Joyner 207171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) { 207271d10453SEric Joyner pi->phy.get_link_info = true; 207371d10453SEric Joyner ice_get_link_status(pi, &sc->link_up); 207471d10453SEric Joyner 207571d10453SEric Joyner if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 207671d10453SEric Joyner enum ice_status status; 207771d10453SEric Joyner 207871d10453SEric Joyner /* Re-enable link and re-apply user link settings */ 2079*9c30461dSEric Joyner if (ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) || 2080*9c30461dSEric Joyner (if_getflags(sc->ifp) & IFF_UP)) { 20819cf1841cSEric Joyner ice_apply_saved_phy_cfg(sc, ICE_APPLY_LS_FEC_FC); 208271d10453SEric Joyner 208371d10453SEric Joyner /* Update the OS about changes in media capability */ 208471d10453SEric Joyner status = ice_add_media_types(sc, sc->media); 208571d10453SEric Joyner if (status) 2086*9c30461dSEric Joyner device_printf(sc->dev, 2087*9c30461dSEric Joyner "Error adding device media types: %s aq_err %s\n", 208871d10453SEric Joyner ice_status_str(status), 208971d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 2090*9c30461dSEric Joyner } 209171d10453SEric Joyner 209271d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_NO_MEDIA); 209371d10453SEric Joyner } 209471d10453SEric Joyner } 209571d10453SEric Joyner } 209671d10453SEric Joyner 209771d10453SEric Joyner /** 209871d10453SEric Joyner * ice_if_timer - called by iflib periodically 209971d10453SEric Joyner * @ctx: iflib ctx structure 210071d10453SEric Joyner * @qid: the queue this timer was called for 210171d10453SEric Joyner * 210271d10453SEric Joyner * This callback is triggered by iflib periodically. We use it to update the 210371d10453SEric Joyner * hw statistics. 210471d10453SEric Joyner * 210571d10453SEric Joyner * @remark this function is not protected by the iflib CTX lock. 210671d10453SEric Joyner */ 210771d10453SEric Joyner static void 210871d10453SEric Joyner ice_if_timer(if_ctx_t ctx, uint16_t qid) 210971d10453SEric Joyner { 211071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 211171d10453SEric Joyner uint64_t prev_link_xoff_rx = sc->stats.cur.link_xoff_rx; 211271d10453SEric Joyner 211371d10453SEric Joyner if (qid != 0) 211471d10453SEric Joyner return; 211571d10453SEric Joyner 211671d10453SEric Joyner /* Do not attempt to update stats when in recovery mode */ 211771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 211871d10453SEric Joyner return; 211971d10453SEric Joyner 212071d10453SEric Joyner /* Update device statistics */ 212171d10453SEric Joyner ice_update_pf_stats(sc); 212271d10453SEric Joyner 212371d10453SEric Joyner /* 212471d10453SEric Joyner * For proper watchdog management, the iflib stack needs to know if 212571d10453SEric Joyner * we've been paused during the last interval. Check if the 212671d10453SEric Joyner * link_xoff_rx stat changed, and set the isc_pause_frames, if so. 212771d10453SEric Joyner */ 212871d10453SEric Joyner if (sc->stats.cur.link_xoff_rx != prev_link_xoff_rx) 212971d10453SEric Joyner sc->scctx->isc_pause_frames = 1; 213071d10453SEric Joyner 213171d10453SEric Joyner /* Update the primary VSI stats */ 213271d10453SEric Joyner ice_update_vsi_hw_stats(&sc->pf_vsi); 213371d10453SEric Joyner } 213471d10453SEric Joyner 213571d10453SEric Joyner /** 213671d10453SEric Joyner * ice_admin_timer - called periodically to trigger the admin task 213771d10453SEric Joyner * @arg: callout(9) argument pointing to the device private softc structure 213871d10453SEric Joyner * 213971d10453SEric Joyner * Timer function used as part of a callout(9) timer that will periodically 214071d10453SEric Joyner * trigger the admin task, even when the interface is down. 214171d10453SEric Joyner * 214271d10453SEric Joyner * @remark this function is not called by iflib and is not protected by the 214371d10453SEric Joyner * iflib CTX lock. 214471d10453SEric Joyner * 214571d10453SEric Joyner * @remark because this is a callout function, it cannot sleep and should not 214671d10453SEric Joyner * attempt taking the iflib CTX lock. 214771d10453SEric Joyner */ 214871d10453SEric Joyner static void 214971d10453SEric Joyner ice_admin_timer(void *arg) 215071d10453SEric Joyner { 215171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 215271d10453SEric Joyner 21539cf1841cSEric Joyner /* 21549cf1841cSEric Joyner * There is a point where callout routines are no longer 21559cf1841cSEric Joyner * cancelable. So there exists a window of time where the 21569cf1841cSEric Joyner * driver enters detach() and tries to cancel the callout, but the 21579cf1841cSEric Joyner * callout routine has passed the cancellation point. The detach() 21589cf1841cSEric Joyner * routine is unaware of this and tries to free resources that the 21599cf1841cSEric Joyner * callout routine needs. So we check for the detach state flag to 21609cf1841cSEric Joyner * at least shrink the window of opportunity. 21619cf1841cSEric Joyner */ 21629cf1841cSEric Joyner if (ice_driver_is_detaching(sc)) 21639cf1841cSEric Joyner return; 21649cf1841cSEric Joyner 216571d10453SEric Joyner /* Fire off the admin task */ 216671d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 216771d10453SEric Joyner 216871d10453SEric Joyner /* Reschedule the admin timer */ 216971d10453SEric Joyner callout_schedule(&sc->admin_timer, hz/2); 217071d10453SEric Joyner } 217171d10453SEric Joyner 217271d10453SEric Joyner /** 217371d10453SEric Joyner * ice_transition_recovery_mode - Transition to recovery mode 217471d10453SEric Joyner * @sc: the device private softc 217571d10453SEric Joyner * 217671d10453SEric Joyner * Called when the driver detects that the firmware has entered recovery mode 217771d10453SEric Joyner * at run time. 217871d10453SEric Joyner */ 217971d10453SEric Joyner static void 218071d10453SEric Joyner ice_transition_recovery_mode(struct ice_softc *sc) 218171d10453SEric Joyner { 218271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 218371d10453SEric Joyner int i; 218471d10453SEric Joyner 218571d10453SEric 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"); 218671d10453SEric Joyner 218771d10453SEric Joyner /* Tell the stack that the link has gone down */ 218871d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 218971d10453SEric Joyner 219071d10453SEric Joyner /* Request that the device be re-initialized */ 219171d10453SEric Joyner ice_request_stack_reinit(sc); 219271d10453SEric Joyner 21938a13362dSEric Joyner ice_rdma_pf_detach(sc); 21948a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 21958a13362dSEric Joyner 219671d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 219771d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 219871d10453SEric Joyner 219971d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 220071d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 220171d10453SEric Joyner 220271d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 220371d10453SEric Joyner if (sc->all_vsi[i]) 220471d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 220571d10453SEric Joyner } 220671d10453SEric Joyner sc->num_available_vsi = 0; 220771d10453SEric Joyner 220871d10453SEric Joyner if (sc->all_vsi) { 220971d10453SEric Joyner free(sc->all_vsi, M_ICE); 221071d10453SEric Joyner sc->all_vsi = NULL; 221171d10453SEric Joyner } 221271d10453SEric Joyner 221371d10453SEric Joyner /* Destroy the interrupt manager */ 221471d10453SEric Joyner ice_resmgr_destroy(&sc->imgr); 221571d10453SEric Joyner /* Destroy the queue managers */ 221671d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 221771d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 221871d10453SEric Joyner 221971d10453SEric Joyner ice_deinit_hw(&sc->hw); 222071d10453SEric Joyner } 222171d10453SEric Joyner 222271d10453SEric Joyner /** 222371d10453SEric Joyner * ice_transition_safe_mode - Transition to safe mode 222471d10453SEric Joyner * @sc: the device private softc 222571d10453SEric Joyner * 222671d10453SEric Joyner * Called when the driver attempts to reload the DDP package during a device 222771d10453SEric Joyner * reset, and the new download fails. If so, we must transition to safe mode 222871d10453SEric Joyner * at run time. 222971d10453SEric Joyner * 223071d10453SEric Joyner * @remark although safe mode normally allocates only a single queue, we can't 223171d10453SEric Joyner * change the number of queues dynamically when using iflib. Due to this, we 223271d10453SEric Joyner * do not attempt to reduce the number of queues. 223371d10453SEric Joyner */ 223471d10453SEric Joyner static void 223571d10453SEric Joyner ice_transition_safe_mode(struct ice_softc *sc) 223671d10453SEric Joyner { 223771d10453SEric Joyner /* Indicate that we are in Safe mode */ 223871d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_cap); 223971d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_en); 224071d10453SEric Joyner 22418a13362dSEric Joyner ice_rdma_pf_detach(sc); 22428a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 22438a13362dSEric Joyner 224471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 224571d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 224671d10453SEric Joyner 224771d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 224871d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_en); 224971d10453SEric Joyner } 225071d10453SEric Joyner 225171d10453SEric Joyner /** 225271d10453SEric Joyner * ice_if_update_admin_status - update admin status 225371d10453SEric Joyner * @ctx: iflib ctx structure 225471d10453SEric Joyner * 225571d10453SEric Joyner * Called by iflib to update the admin status. For our purposes, this means 225671d10453SEric Joyner * check the adminq, and update the link status. It's ultimately triggered by 225771d10453SEric Joyner * our admin interrupt, or by the ice_if_timer periodically. 225871d10453SEric Joyner * 225971d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 226071d10453SEric Joyner */ 226171d10453SEric Joyner static void 226271d10453SEric Joyner ice_if_update_admin_status(if_ctx_t ctx) 226371d10453SEric Joyner { 226471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 226571d10453SEric Joyner enum ice_fw_modes fw_mode; 226671d10453SEric Joyner bool reschedule = false; 226771d10453SEric Joyner u16 pending = 0; 226871d10453SEric Joyner 226971d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 227071d10453SEric Joyner 227171d10453SEric Joyner /* Check if the firmware entered recovery mode at run time */ 227271d10453SEric Joyner fw_mode = ice_get_fw_mode(&sc->hw); 227371d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 227471d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 227571d10453SEric Joyner /* If we just entered recovery mode, log a warning to 227671d10453SEric Joyner * the system administrator and deinit driver state 227771d10453SEric Joyner * that is no longer functional. 227871d10453SEric Joyner */ 227971d10453SEric Joyner ice_transition_recovery_mode(sc); 228071d10453SEric Joyner } 228171d10453SEric Joyner } else if (fw_mode == ICE_FW_MODE_ROLLBACK) { 228271d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_ROLLBACK_MODE)) { 228371d10453SEric Joyner /* Rollback mode isn't fatal, but we don't want to 228471d10453SEric Joyner * repeatedly post a message about it. 228571d10453SEric Joyner */ 228671d10453SEric Joyner ice_print_rollback_msg(&sc->hw); 228771d10453SEric Joyner } 228871d10453SEric Joyner } 228971d10453SEric Joyner 229071d10453SEric Joyner /* Handle global reset events */ 229171d10453SEric Joyner ice_handle_reset_event(sc); 229271d10453SEric Joyner 229371d10453SEric Joyner /* Handle PF reset requests */ 229471d10453SEric Joyner ice_handle_pf_reset_request(sc); 229571d10453SEric Joyner 229671d10453SEric Joyner /* Handle MDD events */ 229771d10453SEric Joyner ice_handle_mdd_event(sc); 229871d10453SEric Joyner 229971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED) || 230071d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET) || 230171d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 230271d10453SEric Joyner /* 230371d10453SEric Joyner * If we know the control queues are disabled, skip processing 230471d10453SEric Joyner * the control queues entirely. 230571d10453SEric Joyner */ 230671d10453SEric Joyner ; 230771d10453SEric Joyner } else if (ice_testandclear_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING)) { 230871d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_ADMIN, &pending); 230971d10453SEric Joyner if (pending > 0) 231071d10453SEric Joyner reschedule = true; 231171d10453SEric Joyner 231271d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_MAILBOX, &pending); 231371d10453SEric Joyner if (pending > 0) 231471d10453SEric Joyner reschedule = true; 231571d10453SEric Joyner } 231671d10453SEric Joyner 231771d10453SEric Joyner /* Poll for link up */ 231871d10453SEric Joyner ice_poll_for_media_avail(sc); 231971d10453SEric Joyner 232071d10453SEric Joyner /* Check and update link status */ 232171d10453SEric Joyner ice_update_link_status(sc, false); 232271d10453SEric Joyner 232371d10453SEric Joyner /* 232471d10453SEric Joyner * If there are still messages to process, we need to reschedule 232571d10453SEric Joyner * ourselves. Otherwise, we can just re-enable the interrupt. We'll be 232671d10453SEric Joyner * woken up at the next interrupt or timer event. 232771d10453SEric Joyner */ 232871d10453SEric Joyner if (reschedule) { 232971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 233071d10453SEric Joyner iflib_admin_intr_deferred(ctx); 233171d10453SEric Joyner } else { 233271d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 233371d10453SEric Joyner } 233471d10453SEric Joyner } 233571d10453SEric Joyner 233671d10453SEric Joyner /** 233771d10453SEric Joyner * ice_prepare_for_reset - Prepare device for an impending reset 233871d10453SEric Joyner * @sc: The device private softc 233971d10453SEric Joyner * 234071d10453SEric Joyner * Prepare the driver for an impending reset, shutting down VSIs, clearing the 234171d10453SEric Joyner * scheduler setup, and shutting down controlqs. Uses the 234271d10453SEric Joyner * ICE_STATE_PREPARED_FOR_RESET to indicate whether we've already prepared the 234371d10453SEric Joyner * driver for reset or not. 234471d10453SEric Joyner */ 234571d10453SEric Joyner static void 234671d10453SEric Joyner ice_prepare_for_reset(struct ice_softc *sc) 234771d10453SEric Joyner { 234871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 234971d10453SEric Joyner 235071d10453SEric Joyner /* If we're already prepared, there's nothing to do */ 235171d10453SEric Joyner if (ice_testandset_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) 235271d10453SEric Joyner return; 235371d10453SEric Joyner 2354402810d3SJustin Hibbits log(LOG_INFO, "%s: preparing to reset device logic\n", if_name(sc->ifp)); 235571d10453SEric Joyner 235671d10453SEric Joyner /* In recovery mode, hardware is not initialized */ 235771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 235871d10453SEric Joyner return; 235971d10453SEric Joyner 236001fbb869SBartosz Sobczak /* inform the RDMA client */ 236101fbb869SBartosz Sobczak ice_rdma_notify_reset(sc); 23628a13362dSEric Joyner /* stop the RDMA client */ 23638a13362dSEric Joyner ice_rdma_pf_stop(sc); 23648a13362dSEric Joyner 236571d10453SEric Joyner /* Release the main PF VSI queue mappings */ 236671d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 236771d10453SEric Joyner sc->pf_vsi.num_tx_queues); 236871d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 236971d10453SEric Joyner sc->pf_vsi.num_rx_queues); 237071d10453SEric Joyner 237171d10453SEric Joyner ice_clear_hw_tbls(hw); 237271d10453SEric Joyner 237371d10453SEric Joyner if (hw->port_info) 2374*9c30461dSEric Joyner ice_sched_cleanup_all(hw); 237571d10453SEric Joyner 23768923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 237771d10453SEric Joyner } 237871d10453SEric Joyner 237971d10453SEric Joyner /** 238071d10453SEric Joyner * ice_rebuild_pf_vsi_qmap - Rebuild the main PF VSI queue mapping 238171d10453SEric Joyner * @sc: the device softc pointer 238271d10453SEric Joyner * 238371d10453SEric Joyner * Loops over the Tx and Rx queues for the main PF VSI and reassigns the queue 238471d10453SEric Joyner * mapping after a reset occurred. 238571d10453SEric Joyner */ 238671d10453SEric Joyner static int 238771d10453SEric Joyner ice_rebuild_pf_vsi_qmap(struct ice_softc *sc) 238871d10453SEric Joyner { 238971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 239071d10453SEric Joyner struct ice_tx_queue *txq; 239171d10453SEric Joyner struct ice_rx_queue *rxq; 239271d10453SEric Joyner int err, i; 239371d10453SEric Joyner 239471d10453SEric Joyner /* Re-assign Tx queues from PF space to the main VSI */ 239571d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, 239671d10453SEric Joyner vsi->num_tx_queues); 239771d10453SEric Joyner if (err) { 239871d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Tx queues: %s\n", 239971d10453SEric Joyner ice_err_str(err)); 240071d10453SEric Joyner return (err); 240171d10453SEric Joyner } 240271d10453SEric Joyner 240371d10453SEric Joyner /* Re-assign Rx queues from PF space to this VSI */ 240471d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, 240571d10453SEric Joyner vsi->num_rx_queues); 240671d10453SEric Joyner if (err) { 240771d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Rx queues: %s\n", 240871d10453SEric Joyner ice_err_str(err)); 240971d10453SEric Joyner goto err_release_tx_queues; 241071d10453SEric Joyner } 241171d10453SEric Joyner 241271d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 241371d10453SEric Joyner 241471d10453SEric Joyner /* Re-assign Tx queue tail pointers */ 241571d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) 241671d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 241771d10453SEric Joyner 241871d10453SEric Joyner /* Re-assign Rx queue tail pointers */ 241971d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) 242071d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 242171d10453SEric Joyner 242271d10453SEric Joyner return (0); 242371d10453SEric Joyner 242471d10453SEric Joyner err_release_tx_queues: 242571d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 242671d10453SEric Joyner sc->pf_vsi.num_tx_queues); 242771d10453SEric Joyner 242871d10453SEric Joyner return (err); 242971d10453SEric Joyner } 243071d10453SEric Joyner 243171d10453SEric Joyner /* determine if the iflib context is active */ 243271d10453SEric Joyner #define CTX_ACTIVE(ctx) ((if_getdrvflags(iflib_get_ifp(ctx)) & IFF_DRV_RUNNING)) 243371d10453SEric Joyner 243471d10453SEric Joyner /** 243571d10453SEric Joyner * ice_rebuild_recovery_mode - Rebuild driver state while in recovery mode 243671d10453SEric Joyner * @sc: The device private softc 243771d10453SEric Joyner * 243871d10453SEric Joyner * Handle a driver rebuild while in recovery mode. This will only rebuild the 243971d10453SEric Joyner * limited functionality supported while in recovery mode. 244071d10453SEric Joyner */ 244171d10453SEric Joyner static void 244271d10453SEric Joyner ice_rebuild_recovery_mode(struct ice_softc *sc) 244371d10453SEric Joyner { 244471d10453SEric Joyner device_t dev = sc->dev; 244571d10453SEric Joyner 244671d10453SEric Joyner /* enable PCIe bus master */ 244771d10453SEric Joyner pci_enable_busmaster(dev); 244871d10453SEric Joyner 244971d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 245071d10453SEric Joyner ice_configure_misc_interrupts(sc); 245171d10453SEric Joyner 245271d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 245371d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 245471d10453SEric Joyner 245571d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 245671d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 245771d10453SEric Joyner 2458402810d3SJustin Hibbits log(LOG_INFO, "%s: device rebuild successful\n", if_name(sc->ifp)); 245971d10453SEric Joyner 246071d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 246171d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 246271d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 246371d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 246471d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 246571d10453SEric Joyner */ 246671d10453SEric Joyner ice_request_stack_reinit(sc); 246771d10453SEric Joyner 246871d10453SEric Joyner return; 246971d10453SEric Joyner } 247071d10453SEric Joyner 247171d10453SEric Joyner /** 247271d10453SEric Joyner * ice_rebuild - Rebuild driver state post reset 247371d10453SEric Joyner * @sc: The device private softc 247471d10453SEric Joyner * 247571d10453SEric Joyner * Restore driver state after a reset occurred. Restart the controlqs, setup 247671d10453SEric Joyner * the hardware port, and re-enable the VSIs. 247771d10453SEric Joyner */ 247871d10453SEric Joyner static void 247971d10453SEric Joyner ice_rebuild(struct ice_softc *sc) 248071d10453SEric Joyner { 248171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 248271d10453SEric Joyner device_t dev = sc->dev; 24838923de59SPiotr Kubaj enum ice_ddp_state pkg_state; 248471d10453SEric Joyner enum ice_status status; 248571d10453SEric Joyner int err; 248671d10453SEric Joyner 248771d10453SEric Joyner sc->rebuild_ticks = ticks; 248871d10453SEric Joyner 248971d10453SEric Joyner /* If we're rebuilding, then a reset has succeeded. */ 249071d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_FAILED); 249171d10453SEric Joyner 249271d10453SEric Joyner /* 249371d10453SEric Joyner * If the firmware is in recovery mode, only restore the limited 249471d10453SEric Joyner * functionality supported by recovery mode. 249571d10453SEric Joyner */ 249671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 249771d10453SEric Joyner ice_rebuild_recovery_mode(sc); 249871d10453SEric Joyner return; 249971d10453SEric Joyner } 250071d10453SEric Joyner 250171d10453SEric Joyner /* enable PCIe bus master */ 250271d10453SEric Joyner pci_enable_busmaster(dev); 250371d10453SEric Joyner 250471d10453SEric Joyner status = ice_init_all_ctrlq(hw); 250571d10453SEric Joyner if (status) { 250671d10453SEric Joyner device_printf(dev, "failed to re-init controlqs, err %s\n", 250771d10453SEric Joyner ice_status_str(status)); 250871d10453SEric Joyner goto err_shutdown_ctrlq; 250971d10453SEric Joyner } 251071d10453SEric Joyner 251171d10453SEric Joyner /* Query the allocated resources for Tx scheduler */ 251271d10453SEric Joyner status = ice_sched_query_res_alloc(hw); 251371d10453SEric Joyner if (status) { 251471d10453SEric Joyner device_printf(dev, 251571d10453SEric Joyner "Failed to query scheduler resources, err %s aq_err %s\n", 251671d10453SEric Joyner ice_status_str(status), 251771d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 251871d10453SEric Joyner goto err_shutdown_ctrlq; 251971d10453SEric Joyner } 252071d10453SEric Joyner 252156429daeSEric Joyner /* Re-enable FW logging. Keep going even if this fails */ 252256429daeSEric Joyner status = ice_fwlog_set(hw, &hw->fwlog_cfg); 252356429daeSEric Joyner if (!status) { 252456429daeSEric Joyner /* 252556429daeSEric Joyner * We should have the most updated cached copy of the 252656429daeSEric Joyner * configuration, regardless of whether we're rebuilding 252756429daeSEric Joyner * or not. So we'll simply check to see if logging was 252856429daeSEric Joyner * enabled pre-rebuild. 252956429daeSEric Joyner */ 253056429daeSEric Joyner if (hw->fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 253156429daeSEric Joyner status = ice_fwlog_register(hw); 253256429daeSEric Joyner if (status) 253356429daeSEric Joyner device_printf(dev, "failed to re-register fw logging, err %s aq_err %s\n", 253456429daeSEric Joyner ice_status_str(status), 253556429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 253656429daeSEric Joyner } 253756429daeSEric Joyner } else 253856429daeSEric Joyner device_printf(dev, "failed to rebuild fw logging configuration, err %s aq_err %s\n", 253956429daeSEric Joyner ice_status_str(status), 254056429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 254156429daeSEric Joyner 254271d10453SEric Joyner err = ice_send_version(sc); 254371d10453SEric Joyner if (err) 254471d10453SEric Joyner goto err_shutdown_ctrlq; 254571d10453SEric Joyner 254671d10453SEric Joyner err = ice_init_link_events(sc); 254771d10453SEric Joyner if (err) { 254871d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 254971d10453SEric Joyner ice_err_str(err)); 255071d10453SEric Joyner goto err_shutdown_ctrlq; 255171d10453SEric Joyner } 255271d10453SEric Joyner 255371d10453SEric Joyner status = ice_clear_pf_cfg(hw); 255471d10453SEric Joyner if (status) { 255571d10453SEric Joyner device_printf(dev, "failed to clear PF configuration, err %s\n", 255671d10453SEric Joyner ice_status_str(status)); 255771d10453SEric Joyner goto err_shutdown_ctrlq; 255871d10453SEric Joyner } 255971d10453SEric Joyner 256071d10453SEric Joyner ice_clear_pxe_mode(hw); 256171d10453SEric Joyner 256271d10453SEric Joyner status = ice_get_caps(hw); 256371d10453SEric Joyner if (status) { 256471d10453SEric Joyner device_printf(dev, "failed to get capabilities, err %s\n", 256571d10453SEric Joyner ice_status_str(status)); 256671d10453SEric Joyner goto err_shutdown_ctrlq; 256771d10453SEric Joyner } 256871d10453SEric Joyner 256971d10453SEric Joyner status = ice_sched_init_port(hw->port_info); 257071d10453SEric Joyner if (status) { 257171d10453SEric Joyner device_printf(dev, "failed to initialize port, err %s\n", 257271d10453SEric Joyner ice_status_str(status)); 257371d10453SEric Joyner goto err_sched_cleanup; 257471d10453SEric Joyner } 257571d10453SEric Joyner 257671d10453SEric Joyner /* If we previously loaded the package, it needs to be reloaded now */ 257771d10453SEric Joyner if (!ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE)) { 25788923de59SPiotr Kubaj pkg_state = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 25798923de59SPiotr Kubaj if (!ice_is_init_pkg_successful(pkg_state)) { 25808923de59SPiotr Kubaj ice_log_pkg_init(sc, pkg_state); 258171d10453SEric Joyner ice_transition_safe_mode(sc); 258271d10453SEric Joyner } 258371d10453SEric Joyner } 258471d10453SEric Joyner 258571d10453SEric Joyner ice_reset_pf_stats(sc); 258671d10453SEric Joyner 258771d10453SEric Joyner err = ice_rebuild_pf_vsi_qmap(sc); 258871d10453SEric Joyner if (err) { 258971d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign main VSI queues, err %s\n", 259071d10453SEric Joyner ice_err_str(err)); 259171d10453SEric Joyner goto err_sched_cleanup; 259271d10453SEric Joyner } 259371d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 259471d10453SEric Joyner if (err) { 259571d10453SEric Joyner device_printf(sc->dev, "Unable to re-initialize Main VSI, err %s\n", 259671d10453SEric Joyner ice_err_str(err)); 259771d10453SEric Joyner goto err_release_queue_allocations; 259871d10453SEric Joyner } 259971d10453SEric Joyner 260071d10453SEric Joyner /* Replay all VSI configuration */ 260171d10453SEric Joyner err = ice_replay_all_vsi_cfg(sc); 260271d10453SEric Joyner if (err) 260371d10453SEric Joyner goto err_deinit_pf_vsi; 260471d10453SEric Joyner 26059cf1841cSEric Joyner /* Re-enable FW health event reporting */ 26069cf1841cSEric Joyner ice_init_health_events(sc); 26079cf1841cSEric Joyner 260871d10453SEric Joyner /* Reconfigure the main PF VSI for RSS */ 260971d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 261071d10453SEric Joyner if (err) { 261171d10453SEric Joyner device_printf(sc->dev, 261271d10453SEric Joyner "Unable to reconfigure RSS for the main VSI, err %s\n", 261371d10453SEric Joyner ice_err_str(err)); 261471d10453SEric Joyner goto err_deinit_pf_vsi; 261571d10453SEric Joyner } 261671d10453SEric Joyner 2617*9c30461dSEric Joyner if (hw->port_info->qos_cfg.is_sw_lldp) 2618*9c30461dSEric Joyner ice_add_rx_lldp_filter(sc); 2619*9c30461dSEric Joyner 262071d10453SEric Joyner /* Refresh link status */ 262171d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED); 262271d10453SEric Joyner sc->hw.port_info->phy.get_link_info = true; 262371d10453SEric Joyner ice_get_link_status(sc->hw.port_info, &sc->link_up); 262471d10453SEric Joyner ice_update_link_status(sc, true); 262571d10453SEric Joyner 26268a13362dSEric Joyner /* RDMA interface will be restarted by the stack re-init */ 26278a13362dSEric Joyner 262871d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 262971d10453SEric Joyner ice_configure_misc_interrupts(sc); 263071d10453SEric Joyner 263171d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 263271d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 263371d10453SEric Joyner 263471d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 263571d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 263671d10453SEric Joyner 2637402810d3SJustin Hibbits log(LOG_INFO, "%s: device rebuild successful\n", if_name(sc->ifp)); 263871d10453SEric Joyner 263971d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 264071d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 264171d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 264271d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 264371d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 2644*9c30461dSEric Joyner * If LLDP is enabled we need to reconfig DCB to properly reinit all TC 2645*9c30461dSEric Joyner * queues, not only 0. It contains ice_request_stack_reinit as well. 264671d10453SEric Joyner */ 2647*9c30461dSEric Joyner if (hw->port_info->qos_cfg.is_sw_lldp) 264871d10453SEric Joyner ice_request_stack_reinit(sc); 2649*9c30461dSEric Joyner else 2650*9c30461dSEric Joyner ice_do_dcb_reconfig(sc, false); 265171d10453SEric Joyner 265271d10453SEric Joyner return; 265371d10453SEric Joyner 265471d10453SEric Joyner err_deinit_pf_vsi: 265571d10453SEric Joyner ice_deinit_vsi(&sc->pf_vsi); 265671d10453SEric Joyner err_release_queue_allocations: 265771d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 265871d10453SEric Joyner sc->pf_vsi.num_tx_queues); 265971d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 266071d10453SEric Joyner sc->pf_vsi.num_rx_queues); 266171d10453SEric Joyner err_sched_cleanup: 266271d10453SEric Joyner ice_sched_cleanup_all(hw); 266371d10453SEric Joyner err_shutdown_ctrlq: 26648923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 26658923de59SPiotr Kubaj ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 266671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 266771d10453SEric Joyner device_printf(dev, "Driver rebuild failed, please reload the device driver\n"); 266871d10453SEric Joyner } 266971d10453SEric Joyner 267071d10453SEric Joyner /** 267171d10453SEric Joyner * ice_handle_reset_event - Handle reset events triggered by OICR 267271d10453SEric Joyner * @sc: The device private softc 267371d10453SEric Joyner * 267471d10453SEric Joyner * Handle reset events triggered by an OICR notification. This includes CORER, 267571d10453SEric Joyner * GLOBR, and EMPR resets triggered by software on this or any other PF or by 267671d10453SEric Joyner * firmware. 267771d10453SEric Joyner * 267871d10453SEric Joyner * @pre assumes the iflib context lock is held, and will unlock it while 267971d10453SEric Joyner * waiting for the hardware to finish reset. 268071d10453SEric Joyner */ 268171d10453SEric Joyner static void 268271d10453SEric Joyner ice_handle_reset_event(struct ice_softc *sc) 268371d10453SEric Joyner { 268471d10453SEric Joyner struct ice_hw *hw = &sc->hw; 268571d10453SEric Joyner enum ice_status status; 268671d10453SEric Joyner device_t dev = sc->dev; 268771d10453SEric Joyner 268871d10453SEric Joyner /* When a CORER, GLOBR, or EMPR is about to happen, the hardware will 268971d10453SEric Joyner * trigger an OICR interrupt. Our OICR handler will determine when 269071d10453SEric Joyner * this occurs and set the ICE_STATE_RESET_OICR_RECV bit as 269171d10453SEric Joyner * appropriate. 269271d10453SEric Joyner */ 269371d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 269471d10453SEric Joyner return; 269571d10453SEric Joyner 269671d10453SEric Joyner ice_prepare_for_reset(sc); 269771d10453SEric Joyner 269871d10453SEric Joyner /* 269971d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 270071d10453SEric Joyner * resetting. 270171d10453SEric Joyner */ 270271d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 270371d10453SEric Joyner status = ice_check_reset(hw); 270471d10453SEric Joyner IFLIB_CTX_LOCK(sc); 270571d10453SEric Joyner if (status) { 270671d10453SEric Joyner device_printf(dev, "Device never came out of reset, err %s\n", 270771d10453SEric Joyner ice_status_str(status)); 270871d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 270971d10453SEric Joyner return; 271071d10453SEric Joyner } 271171d10453SEric Joyner 271271d10453SEric Joyner /* We're done with the reset, so we can rebuild driver state */ 271371d10453SEric Joyner sc->hw.reset_ongoing = false; 271471d10453SEric Joyner ice_rebuild(sc); 271571d10453SEric Joyner 271671d10453SEric Joyner /* In the unlikely event that a PF reset request occurs at the same 271771d10453SEric Joyner * time as a global reset, clear the request now. This avoids 271871d10453SEric Joyner * resetting a second time right after we reset due to a global event. 271971d10453SEric Joyner */ 272071d10453SEric Joyner if (ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 272171d10453SEric Joyner device_printf(dev, "Ignoring PFR request that occurred while a reset was ongoing\n"); 272271d10453SEric Joyner } 272371d10453SEric Joyner 272471d10453SEric Joyner /** 272571d10453SEric Joyner * ice_handle_pf_reset_request - Initiate PF reset requested by software 272671d10453SEric Joyner * @sc: The device private softc 272771d10453SEric Joyner * 272871d10453SEric Joyner * Initiate a PF reset requested by software. We handle this in the admin task 272971d10453SEric Joyner * so that only one thread actually handles driver preparation and cleanup, 273071d10453SEric Joyner * rather than having multiple threads possibly attempt to run this code 273171d10453SEric Joyner * simultaneously. 273271d10453SEric Joyner * 273371d10453SEric Joyner * @pre assumes the iflib context lock is held and will unlock it while 273471d10453SEric Joyner * waiting for the PF reset to complete. 273571d10453SEric Joyner */ 273671d10453SEric Joyner static void 273771d10453SEric Joyner ice_handle_pf_reset_request(struct ice_softc *sc) 273871d10453SEric Joyner { 273971d10453SEric Joyner struct ice_hw *hw = &sc->hw; 274071d10453SEric Joyner enum ice_status status; 274171d10453SEric Joyner 274271d10453SEric Joyner /* Check for PF reset requests */ 274371d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 274471d10453SEric Joyner return; 274571d10453SEric Joyner 274671d10453SEric Joyner /* Make sure we're prepared for reset */ 274771d10453SEric Joyner ice_prepare_for_reset(sc); 274871d10453SEric Joyner 274971d10453SEric Joyner /* 275071d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 275171d10453SEric Joyner * resetting. 275271d10453SEric Joyner */ 275371d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 275471d10453SEric Joyner status = ice_reset(hw, ICE_RESET_PFR); 275571d10453SEric Joyner IFLIB_CTX_LOCK(sc); 275671d10453SEric Joyner if (status) { 275771d10453SEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 275871d10453SEric Joyner ice_status_str(status)); 275971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 276071d10453SEric Joyner return; 276171d10453SEric Joyner } 276271d10453SEric Joyner 276371d10453SEric Joyner sc->soft_stats.pfr_count++; 276471d10453SEric Joyner ice_rebuild(sc); 276571d10453SEric Joyner } 276671d10453SEric Joyner 276771d10453SEric Joyner /** 276871d10453SEric Joyner * ice_init_device_features - Init device driver features 276971d10453SEric Joyner * @sc: driver softc structure 277071d10453SEric Joyner * 277171d10453SEric Joyner * @pre assumes that the function capabilities bits have been set up by 277271d10453SEric Joyner * ice_init_hw(). 277371d10453SEric Joyner */ 277471d10453SEric Joyner static void 277571d10453SEric Joyner ice_init_device_features(struct ice_softc *sc) 277671d10453SEric Joyner { 2777*9c30461dSEric Joyner struct ice_hw *hw = &sc->hw; 2778*9c30461dSEric Joyner 27797d7af7f8SEric Joyner /* Set capabilities that all devices support */ 278071d10453SEric Joyner ice_set_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 278171d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_cap); 27828a13362dSEric Joyner ice_set_bit(ICE_FEATURE_RDMA, sc->feat_cap); 278371d10453SEric Joyner ice_set_bit(ICE_FEATURE_LENIENT_LINK_MODE, sc->feat_cap); 27849cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_1, sc->feat_cap); 27859cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_2, sc->feat_cap); 27869cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 278756429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 278856429daeSEric Joyner ice_set_bit(ICE_FEATURE_HAS_PBA, sc->feat_cap); 27898923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_DCB, sc->feat_cap); 27908923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 279171d10453SEric Joyner 279271d10453SEric Joyner /* Disable features due to hardware limitations... */ 2793*9c30461dSEric Joyner if (!hw->func_caps.common_cap.rss_table_size) 279471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 2795*9c30461dSEric Joyner if (!hw->func_caps.common_cap.iwarp || !ice_enable_irdma) 27968a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 2797*9c30461dSEric Joyner if (!hw->func_caps.common_cap.dcb) 27988923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_DCB, sc->feat_cap); 27999cf1841cSEric Joyner /* Disable features due to firmware limitations... */ 2800*9c30461dSEric Joyner if (!ice_is_fw_health_report_supported(hw)) 28019cf1841cSEric Joyner ice_clear_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 2802*9c30461dSEric Joyner if (!ice_fwlog_supported(hw)) 280356429daeSEric Joyner ice_clear_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 2804*9c30461dSEric Joyner if (hw->fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 280556429daeSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_FW_LOGGING)) 280656429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_en); 280756429daeSEric Joyner else 2808*9c30461dSEric Joyner ice_fwlog_unregister(hw); 280956429daeSEric Joyner } 281071d10453SEric Joyner 281171d10453SEric Joyner /* Disable capabilities not supported by the OS */ 281271d10453SEric Joyner ice_disable_unsupported_features(sc->feat_cap); 281371d10453SEric Joyner 281471d10453SEric Joyner /* RSS is always enabled for iflib */ 281571d10453SEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RSS)) 281671d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_en); 28178923de59SPiotr Kubaj 28188923de59SPiotr Kubaj /* Disable features based on sysctl settings */ 28198923de59SPiotr Kubaj if (!ice_tx_balance_en) 28208923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 2821*9c30461dSEric Joyner 2822*9c30461dSEric Joyner if (hw->dev_caps.supported_sensors & ICE_SENSOR_SUPPORT_E810_INT_TEMP) { 2823*9c30461dSEric Joyner ice_set_bit(ICE_FEATURE_TEMP_SENSOR, sc->feat_cap); 2824*9c30461dSEric Joyner ice_set_bit(ICE_FEATURE_TEMP_SENSOR, sc->feat_en); 2825*9c30461dSEric Joyner } 282671d10453SEric Joyner } 282771d10453SEric Joyner 282871d10453SEric Joyner /** 282971d10453SEric Joyner * ice_if_multi_set - Callback to update Multicast filters in HW 283071d10453SEric Joyner * @ctx: iflib ctx structure 283171d10453SEric Joyner * 283271d10453SEric Joyner * Called by iflib in response to SIOCDELMULTI and SIOCADDMULTI. Must search 283371d10453SEric Joyner * the if_multiaddrs list and determine which filters have been added or 283471d10453SEric Joyner * removed from the list, and update HW programming to reflect the new list. 283571d10453SEric Joyner * 283671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 283771d10453SEric Joyner */ 283871d10453SEric Joyner static void 283971d10453SEric Joyner ice_if_multi_set(if_ctx_t ctx) 284071d10453SEric Joyner { 284171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 284271d10453SEric Joyner int err; 284371d10453SEric Joyner 284471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 284571d10453SEric Joyner 284671d10453SEric Joyner /* Do not handle multicast configuration in recovery mode */ 284771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 284871d10453SEric Joyner return; 284971d10453SEric Joyner 285071d10453SEric Joyner err = ice_sync_multicast_filters(sc); 285171d10453SEric Joyner if (err) { 285271d10453SEric Joyner device_printf(sc->dev, 285371d10453SEric Joyner "Failed to synchronize multicast filter list: %s\n", 285471d10453SEric Joyner ice_err_str(err)); 285571d10453SEric Joyner return; 285671d10453SEric Joyner } 285771d10453SEric Joyner } 285871d10453SEric Joyner 285971d10453SEric Joyner /** 286071d10453SEric Joyner * ice_if_vlan_register - Register a VLAN with the hardware 286171d10453SEric Joyner * @ctx: iflib ctx pointer 286271d10453SEric Joyner * @vtag: VLAN to add 286371d10453SEric Joyner * 286471d10453SEric Joyner * Programs the main PF VSI with a hardware filter for the given VLAN. 286571d10453SEric Joyner * 286671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 286771d10453SEric Joyner */ 286871d10453SEric Joyner static void 286971d10453SEric Joyner ice_if_vlan_register(if_ctx_t ctx, u16 vtag) 287071d10453SEric Joyner { 287171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 287271d10453SEric Joyner enum ice_status status; 287371d10453SEric Joyner 287471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 287571d10453SEric Joyner 287671d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 287771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 287871d10453SEric Joyner return; 287971d10453SEric Joyner 288071d10453SEric Joyner status = ice_add_vlan_hw_filter(&sc->pf_vsi, vtag); 288171d10453SEric Joyner if (status) { 288271d10453SEric Joyner device_printf(sc->dev, 288371d10453SEric Joyner "Failure adding VLAN %d to main VSI, err %s aq_err %s\n", 288471d10453SEric Joyner vtag, ice_status_str(status), 288571d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 288671d10453SEric Joyner } 288771d10453SEric Joyner } 288871d10453SEric Joyner 288971d10453SEric Joyner /** 289071d10453SEric Joyner * ice_if_vlan_unregister - Remove a VLAN filter from the hardware 289171d10453SEric Joyner * @ctx: iflib ctx pointer 289271d10453SEric Joyner * @vtag: VLAN to add 289371d10453SEric Joyner * 289471d10453SEric Joyner * Removes the previously programmed VLAN filter from the main PF VSI. 289571d10453SEric Joyner * 289671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 289771d10453SEric Joyner */ 289871d10453SEric Joyner static void 289971d10453SEric Joyner ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 290071d10453SEric Joyner { 290171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 290271d10453SEric Joyner enum ice_status status; 290371d10453SEric Joyner 290471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 290571d10453SEric Joyner 290671d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 290771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 290871d10453SEric Joyner return; 290971d10453SEric Joyner 291071d10453SEric Joyner status = ice_remove_vlan_hw_filter(&sc->pf_vsi, vtag); 291171d10453SEric Joyner if (status) { 291271d10453SEric Joyner device_printf(sc->dev, 291371d10453SEric Joyner "Failure removing VLAN %d from main VSI, err %s aq_err %s\n", 291471d10453SEric Joyner vtag, ice_status_str(status), 291571d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 291671d10453SEric Joyner } 291771d10453SEric Joyner } 291871d10453SEric Joyner 291971d10453SEric Joyner /** 292071d10453SEric Joyner * ice_if_stop - Stop the device 292171d10453SEric Joyner * @ctx: iflib context structure 292271d10453SEric Joyner * 292371d10453SEric Joyner * Called by iflib to stop the device and bring it down. (i.e. ifconfig ice0 292471d10453SEric Joyner * down) 292571d10453SEric Joyner * 292671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 292771d10453SEric Joyner */ 292871d10453SEric Joyner static void 292971d10453SEric Joyner ice_if_stop(if_ctx_t ctx) 293071d10453SEric Joyner { 293171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 293271d10453SEric Joyner 293371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 293471d10453SEric Joyner 293571d10453SEric Joyner /* 293671d10453SEric Joyner * The iflib core may call IFDI_STOP prior to the first call to 293771d10453SEric Joyner * IFDI_INIT. This will cause us to attempt to remove MAC filters we 293871d10453SEric Joyner * don't have, and disable Tx queues which aren't yet configured. 293971d10453SEric Joyner * Although it is likely these extra operations are harmless, they do 294071d10453SEric Joyner * cause spurious warning messages to be displayed, which may confuse 294171d10453SEric Joyner * users. 294271d10453SEric Joyner * 294371d10453SEric Joyner * To avoid these messages, we use a state bit indicating if we've 294471d10453SEric Joyner * been initialized. It will be set when ice_if_init is called, and 294571d10453SEric Joyner * cleared here in ice_if_stop. 294671d10453SEric Joyner */ 294771d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED)) 294871d10453SEric Joyner return; 294971d10453SEric Joyner 295071d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 295171d10453SEric Joyner device_printf(sc->dev, "request to stop interface cannot be completed as the device failed to reset\n"); 295271d10453SEric Joyner return; 295371d10453SEric Joyner } 295471d10453SEric Joyner 295571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 295671d10453SEric Joyner device_printf(sc->dev, "request to stop interface while device is prepared for impending reset\n"); 295771d10453SEric Joyner return; 295871d10453SEric Joyner } 295971d10453SEric Joyner 29608a13362dSEric Joyner ice_rdma_pf_stop(sc); 29618a13362dSEric Joyner 296271d10453SEric Joyner /* Remove the MAC filters, stop Tx, and stop Rx. We don't check the 296371d10453SEric Joyner * return of these functions because there's nothing we can really do 296471d10453SEric Joyner * if they fail, and the functions already print error messages. 296571d10453SEric Joyner * Just try to shut down as much as we can. 296671d10453SEric Joyner */ 296771d10453SEric Joyner ice_rm_pf_default_mac_filters(sc); 296871d10453SEric Joyner 296971d10453SEric Joyner /* Dissociate the Tx and Rx queues from the interrupts */ 297071d10453SEric Joyner ice_flush_txq_interrupts(&sc->pf_vsi); 297171d10453SEric Joyner ice_flush_rxq_interrupts(&sc->pf_vsi); 297271d10453SEric Joyner 297371d10453SEric Joyner /* Disable the Tx and Rx queues */ 297471d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 29759dc2f6e2SEric Joyner ice_control_all_rx_queues(&sc->pf_vsi, false); 2976*9c30461dSEric Joyner 2977*9c30461dSEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_LINK_ACTIVE_ON_DOWN) && 2978*9c30461dSEric Joyner !(if_getflags(sc->ifp) & IFF_UP) && sc->link_up) 2979*9c30461dSEric Joyner ice_set_link(sc, false); 298071d10453SEric Joyner } 298171d10453SEric Joyner 298271d10453SEric Joyner /** 298371d10453SEric Joyner * ice_if_get_counter - Get current value of an ifnet statistic 298471d10453SEric Joyner * @ctx: iflib context pointer 298571d10453SEric Joyner * @counter: ifnet counter to read 298671d10453SEric Joyner * 298771d10453SEric Joyner * Reads the current value of an ifnet counter for the device. 298871d10453SEric Joyner * 298971d10453SEric Joyner * This function is not protected by the iflib CTX lock. 299071d10453SEric Joyner */ 299171d10453SEric Joyner static uint64_t 299271d10453SEric Joyner ice_if_get_counter(if_ctx_t ctx, ift_counter counter) 299371d10453SEric Joyner { 299471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 299571d10453SEric Joyner 299671d10453SEric Joyner /* Return the counter for the main PF VSI */ 299771d10453SEric Joyner return ice_get_ifnet_counter(&sc->pf_vsi, counter); 299871d10453SEric Joyner } 299971d10453SEric Joyner 300071d10453SEric Joyner /** 300171d10453SEric Joyner * ice_request_stack_reinit - Request that iflib re-initialize 300271d10453SEric Joyner * @sc: the device private softc 300371d10453SEric Joyner * 300471d10453SEric Joyner * Request that the device be brought down and up, to re-initialize. For 300571d10453SEric Joyner * example, this may be called when a device reset occurs, or when Tx and Rx 300671d10453SEric Joyner * queues need to be re-initialized. 300771d10453SEric Joyner * 300871d10453SEric Joyner * This is required because the iflib state is outside the driver, and must be 300971d10453SEric Joyner * re-initialized if we need to resart Tx and Rx queues. 301071d10453SEric Joyner */ 301171d10453SEric Joyner void 301271d10453SEric Joyner ice_request_stack_reinit(struct ice_softc *sc) 301371d10453SEric Joyner { 301471d10453SEric Joyner if (CTX_ACTIVE(sc->ctx)) { 301571d10453SEric Joyner iflib_request_reset(sc->ctx); 301671d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 301771d10453SEric Joyner } 301871d10453SEric Joyner } 301971d10453SEric Joyner 302071d10453SEric Joyner /** 302171d10453SEric Joyner * ice_driver_is_detaching - Check if the driver is detaching/unloading 302271d10453SEric Joyner * @sc: device private softc 302371d10453SEric Joyner * 302471d10453SEric Joyner * Returns true if the driver is detaching, false otherwise. 302571d10453SEric Joyner * 302671d10453SEric Joyner * @remark on newer kernels, take advantage of iflib_in_detach in order to 302771d10453SEric Joyner * report detachment correctly as early as possible. 302871d10453SEric Joyner * 302971d10453SEric Joyner * @remark this function is used by various code paths that want to avoid 303071d10453SEric Joyner * running if the driver is about to be removed. This includes sysctls and 303171d10453SEric Joyner * other driver access points. Note that it does not fully resolve 303271d10453SEric Joyner * detach-based race conditions as it is possible for a thread to race with 303371d10453SEric Joyner * iflib_in_detach. 303471d10453SEric Joyner */ 303571d10453SEric Joyner bool 303671d10453SEric Joyner ice_driver_is_detaching(struct ice_softc *sc) 303771d10453SEric Joyner { 303871d10453SEric Joyner return (ice_test_state(&sc->state, ICE_STATE_DETACHING) || 303971d10453SEric Joyner iflib_in_detach(sc->ctx)); 304071d10453SEric Joyner } 304171d10453SEric Joyner 304271d10453SEric Joyner /** 304371d10453SEric Joyner * ice_if_priv_ioctl - Device private ioctl handler 304471d10453SEric Joyner * @ctx: iflib context pointer 304571d10453SEric Joyner * @command: The ioctl command issued 304671d10453SEric Joyner * @data: ioctl specific data 304771d10453SEric Joyner * 304871d10453SEric Joyner * iflib callback for handling custom driver specific ioctls. 304971d10453SEric Joyner * 305071d10453SEric Joyner * @pre Assumes that the iflib context lock is held. 305171d10453SEric Joyner */ 305271d10453SEric Joyner static int 305371d10453SEric Joyner ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) 305471d10453SEric Joyner { 305571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 305671d10453SEric Joyner struct ifdrv *ifd; 305771d10453SEric Joyner device_t dev = sc->dev; 305871d10453SEric Joyner 305971d10453SEric Joyner if (data == NULL) 306071d10453SEric Joyner return (EINVAL); 306171d10453SEric Joyner 306271d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 306371d10453SEric Joyner 306471d10453SEric Joyner /* Make sure the command type is valid */ 306571d10453SEric Joyner switch (command) { 306671d10453SEric Joyner case SIOCSDRVSPEC: 306771d10453SEric Joyner case SIOCGDRVSPEC: 306871d10453SEric Joyner /* Accepted commands */ 306971d10453SEric Joyner break; 307071d10453SEric Joyner case SIOCGPRIVATE_0: 307171d10453SEric Joyner /* 307271d10453SEric Joyner * Although we do not support this ioctl command, it's 307371d10453SEric Joyner * expected that iflib will forward it to the IFDI_PRIV_IOCTL 307471d10453SEric Joyner * handler. Do not print a message in this case 307571d10453SEric Joyner */ 307671d10453SEric Joyner return (ENOTSUP); 307771d10453SEric Joyner default: 307871d10453SEric Joyner /* 307971d10453SEric Joyner * If we get a different command for this function, it's 308071d10453SEric Joyner * definitely unexpected, so log a message indicating what 308171d10453SEric Joyner * command we got for debugging purposes. 308271d10453SEric Joyner */ 308371d10453SEric Joyner device_printf(dev, "%s: unexpected ioctl command %08lx\n", 308471d10453SEric Joyner __func__, command); 308571d10453SEric Joyner return (EINVAL); 308671d10453SEric Joyner } 308771d10453SEric Joyner 308871d10453SEric Joyner ifd = (struct ifdrv *)data; 308971d10453SEric Joyner 309071d10453SEric Joyner switch (ifd->ifd_cmd) { 309171d10453SEric Joyner case ICE_NVM_ACCESS: 309271d10453SEric Joyner return ice_handle_nvm_access_ioctl(sc, ifd); 30938923de59SPiotr Kubaj case ICE_DEBUG_DUMP: 30948923de59SPiotr Kubaj return ice_handle_debug_dump_ioctl(sc, ifd); 309571d10453SEric Joyner default: 309671d10453SEric Joyner return EINVAL; 309771d10453SEric Joyner } 309871d10453SEric Joyner } 309971d10453SEric Joyner 310071d10453SEric Joyner /** 310171d10453SEric Joyner * ice_if_i2c_req - I2C request handler for iflib 310271d10453SEric Joyner * @ctx: iflib context pointer 310371d10453SEric Joyner * @req: The I2C parameters to use 310471d10453SEric Joyner * 310571d10453SEric Joyner * Read from the port's I2C eeprom using the parameters from the ioctl. 310671d10453SEric Joyner * 310771d10453SEric Joyner * @remark The iflib-only part is pretty simple. 310871d10453SEric Joyner */ 310971d10453SEric Joyner static int 311071d10453SEric Joyner ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 311171d10453SEric Joyner { 311271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 311371d10453SEric Joyner 311471d10453SEric Joyner return ice_handle_i2c_req(sc, req); 311571d10453SEric Joyner } 311671d10453SEric Joyner 31177d7af7f8SEric Joyner /** 31187d7af7f8SEric Joyner * ice_if_suspend - PCI device suspend handler for iflib 31197d7af7f8SEric Joyner * @ctx: iflib context pointer 31207d7af7f8SEric Joyner * 31217d7af7f8SEric Joyner * Deinitializes the driver and clears HW resources in preparation for 31227d7af7f8SEric Joyner * suspend or an FLR. 31237d7af7f8SEric Joyner * 31247d7af7f8SEric Joyner * @returns 0; this return value is ignored 31257d7af7f8SEric Joyner */ 31267d7af7f8SEric Joyner static int 31277d7af7f8SEric Joyner ice_if_suspend(if_ctx_t ctx) 31287d7af7f8SEric Joyner { 31297d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 31307d7af7f8SEric Joyner 31317d7af7f8SEric Joyner /* At least a PFR is always going to happen after this; 31327d7af7f8SEric Joyner * either via FLR or during the D3->D0 transition. 31337d7af7f8SEric Joyner */ 31347d7af7f8SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 31357d7af7f8SEric Joyner 31367d7af7f8SEric Joyner ice_prepare_for_reset(sc); 31377d7af7f8SEric Joyner 31387d7af7f8SEric Joyner return (0); 31397d7af7f8SEric Joyner } 31407d7af7f8SEric Joyner 31417d7af7f8SEric Joyner /** 31427d7af7f8SEric Joyner * ice_if_resume - PCI device resume handler for iflib 31437d7af7f8SEric Joyner * @ctx: iflib context pointer 31447d7af7f8SEric Joyner * 31457d7af7f8SEric Joyner * Reinitializes the driver and the HW after PCI resume or after 31467d7af7f8SEric Joyner * an FLR. An init is performed by iflib after this function is finished. 31477d7af7f8SEric Joyner * 31487d7af7f8SEric Joyner * @returns 0; this return value is ignored 31497d7af7f8SEric Joyner */ 31507d7af7f8SEric Joyner static int 31517d7af7f8SEric Joyner ice_if_resume(if_ctx_t ctx) 31527d7af7f8SEric Joyner { 31537d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 31547d7af7f8SEric Joyner 31557d7af7f8SEric Joyner ice_rebuild(sc); 31567d7af7f8SEric Joyner 31577d7af7f8SEric Joyner return (0); 31587d7af7f8SEric Joyner } 31597d7af7f8SEric Joyner 3160*9c30461dSEric Joyner /** 3161*9c30461dSEric Joyner * ice_if_needs_restart - Tell iflib when the driver needs to be reinitialized 3162*9c30461dSEric Joyner * @ctx: iflib context pointer 316314a14e36SKevin Bowling * @event: event code to check 316414a14e36SKevin Bowling * 316514a14e36SKevin Bowling * Defaults to returning false for unknown events. 316614a14e36SKevin Bowling * 316714a14e36SKevin Bowling * @returns true if iflib needs to reinit the interface 316814a14e36SKevin Bowling */ 316914a14e36SKevin Bowling static bool 317014a14e36SKevin Bowling ice_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event) 317114a14e36SKevin Bowling { 317214a14e36SKevin Bowling switch (event) { 317314a14e36SKevin Bowling case IFLIB_RESTART_VLAN_CONFIG: 317414a14e36SKevin Bowling default: 317514a14e36SKevin Bowling return (false); 317614a14e36SKevin Bowling } 317714a14e36SKevin Bowling } 317814a14e36SKevin Bowling 3179