171d10453SEric Joyner /* SPDX-License-Identifier: BSD-3-Clause */ 271d10453SEric Joyner /* Copyright (c) 2020, 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 /*$FreeBSD$*/ 3271d10453SEric Joyner 3371d10453SEric Joyner /** 3471d10453SEric Joyner * @file if_ice_iflib.c 3571d10453SEric Joyner * @brief iflib driver implementation 3671d10453SEric Joyner * 3771d10453SEric Joyner * Contains the main entry point for the iflib driver implementation. It 3871d10453SEric Joyner * implements the various ifdi driver methods, and sets up the module and 3971d10453SEric Joyner * driver values to load an iflib driver. 4071d10453SEric Joyner */ 4171d10453SEric Joyner 4271d10453SEric Joyner #include "ice_iflib.h" 4371d10453SEric Joyner #include "ice_drv_info.h" 4471d10453SEric Joyner #include "ice_switch.h" 4571d10453SEric Joyner #include "ice_sched.h" 4671d10453SEric Joyner 4771d10453SEric Joyner #include <sys/module.h> 4871d10453SEric Joyner #include <sys/sockio.h> 4971d10453SEric Joyner #include <sys/smp.h> 5071d10453SEric Joyner #include <dev/pci/pcivar.h> 5171d10453SEric Joyner #include <dev/pci/pcireg.h> 5271d10453SEric Joyner 5371d10453SEric Joyner /* 5471d10453SEric Joyner * Device method prototypes 5571d10453SEric Joyner */ 5671d10453SEric Joyner 5771d10453SEric Joyner static void *ice_register(device_t); 5871d10453SEric Joyner static int ice_if_attach_pre(if_ctx_t); 5971d10453SEric Joyner static int ice_attach_pre_recovery_mode(struct ice_softc *sc); 6071d10453SEric Joyner static int ice_if_attach_post(if_ctx_t); 6171d10453SEric Joyner static void ice_attach_post_recovery_mode(struct ice_softc *sc); 6271d10453SEric Joyner static int ice_if_detach(if_ctx_t); 6371d10453SEric Joyner static int ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets); 6471d10453SEric Joyner static int ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nqs, int nqsets); 6571d10453SEric Joyner static int ice_if_msix_intr_assign(if_ctx_t ctx, int msix); 6671d10453SEric Joyner static void ice_if_queues_free(if_ctx_t ctx); 6771d10453SEric Joyner static int ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu); 6871d10453SEric Joyner static void ice_if_intr_enable(if_ctx_t ctx); 6971d10453SEric Joyner static void ice_if_intr_disable(if_ctx_t ctx); 7071d10453SEric Joyner static int ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid); 7171d10453SEric Joyner static int ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid); 7271d10453SEric Joyner static int ice_if_promisc_set(if_ctx_t ctx, int flags); 7371d10453SEric Joyner static void ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr); 7471d10453SEric Joyner static int ice_if_media_change(if_ctx_t ctx); 7571d10453SEric Joyner static void ice_if_init(if_ctx_t ctx); 7671d10453SEric Joyner static void ice_if_timer(if_ctx_t ctx, uint16_t qid); 7771d10453SEric Joyner static void ice_if_update_admin_status(if_ctx_t ctx); 7871d10453SEric Joyner static void ice_if_multi_set(if_ctx_t ctx); 7971d10453SEric Joyner static void ice_if_vlan_register(if_ctx_t ctx, u16 vtag); 8071d10453SEric Joyner static void ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag); 8171d10453SEric Joyner static void ice_if_stop(if_ctx_t ctx); 8271d10453SEric Joyner static uint64_t ice_if_get_counter(if_ctx_t ctx, ift_counter counter); 8371d10453SEric Joyner static int ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data); 8471d10453SEric Joyner static int ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req); 85*7d7af7f8SEric Joyner static int ice_if_suspend(if_ctx_t ctx); 86*7d7af7f8SEric Joyner static int ice_if_resume(if_ctx_t ctx); 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); 11371d10453SEric Joyner 11471d10453SEric Joyner /* 11571d10453SEric Joyner * Device Interface Declaration 11671d10453SEric Joyner */ 11771d10453SEric Joyner 11871d10453SEric Joyner /** 11971d10453SEric Joyner * @var ice_methods 12071d10453SEric Joyner * @brief ice driver method entry points 12171d10453SEric Joyner * 12271d10453SEric Joyner * List of device methods implementing the generic device interface used by 12371d10453SEric Joyner * the device stack to interact with the ice driver. Since this is an iflib 12471d10453SEric Joyner * driver, most of the methods point to the generic iflib implementation. 12571d10453SEric Joyner */ 12671d10453SEric Joyner static device_method_t ice_methods[] = { 12771d10453SEric Joyner /* Device interface */ 12871d10453SEric Joyner DEVMETHOD(device_register, ice_register), 12971d10453SEric Joyner DEVMETHOD(device_probe, iflib_device_probe_vendor), 13071d10453SEric Joyner DEVMETHOD(device_attach, iflib_device_attach), 13171d10453SEric Joyner DEVMETHOD(device_detach, iflib_device_detach), 13271d10453SEric Joyner DEVMETHOD(device_shutdown, iflib_device_shutdown), 13371d10453SEric Joyner DEVMETHOD(device_suspend, iflib_device_suspend), 13471d10453SEric Joyner DEVMETHOD(device_resume, iflib_device_resume), 13571d10453SEric Joyner DEVMETHOD_END 13671d10453SEric Joyner }; 13771d10453SEric Joyner 13871d10453SEric Joyner /** 13971d10453SEric Joyner * @var ice_iflib_methods 14071d10453SEric Joyner * @brief iflib method entry points 14171d10453SEric Joyner * 14271d10453SEric Joyner * List of device methods used by the iflib stack to interact with this 14371d10453SEric Joyner * driver. These are the real main entry points used to interact with this 14471d10453SEric Joyner * driver. 14571d10453SEric Joyner */ 14671d10453SEric Joyner static device_method_t ice_iflib_methods[] = { 14771d10453SEric Joyner DEVMETHOD(ifdi_attach_pre, ice_if_attach_pre), 14871d10453SEric Joyner DEVMETHOD(ifdi_attach_post, ice_if_attach_post), 14971d10453SEric Joyner DEVMETHOD(ifdi_detach, ice_if_detach), 15071d10453SEric Joyner DEVMETHOD(ifdi_tx_queues_alloc, ice_if_tx_queues_alloc), 15171d10453SEric Joyner DEVMETHOD(ifdi_rx_queues_alloc, ice_if_rx_queues_alloc), 15271d10453SEric Joyner DEVMETHOD(ifdi_msix_intr_assign, ice_if_msix_intr_assign), 15371d10453SEric Joyner DEVMETHOD(ifdi_queues_free, ice_if_queues_free), 15471d10453SEric Joyner DEVMETHOD(ifdi_mtu_set, ice_if_mtu_set), 15571d10453SEric Joyner DEVMETHOD(ifdi_intr_enable, ice_if_intr_enable), 15671d10453SEric Joyner DEVMETHOD(ifdi_intr_disable, ice_if_intr_disable), 15771d10453SEric Joyner DEVMETHOD(ifdi_rx_queue_intr_enable, ice_if_rx_queue_intr_enable), 15871d10453SEric Joyner DEVMETHOD(ifdi_tx_queue_intr_enable, ice_if_tx_queue_intr_enable), 15971d10453SEric Joyner DEVMETHOD(ifdi_promisc_set, ice_if_promisc_set), 16071d10453SEric Joyner DEVMETHOD(ifdi_media_status, ice_if_media_status), 16171d10453SEric Joyner DEVMETHOD(ifdi_media_change, ice_if_media_change), 16271d10453SEric Joyner DEVMETHOD(ifdi_init, ice_if_init), 16371d10453SEric Joyner DEVMETHOD(ifdi_stop, ice_if_stop), 16471d10453SEric Joyner DEVMETHOD(ifdi_timer, ice_if_timer), 16571d10453SEric Joyner DEVMETHOD(ifdi_update_admin_status, ice_if_update_admin_status), 16671d10453SEric Joyner DEVMETHOD(ifdi_multi_set, ice_if_multi_set), 16771d10453SEric Joyner DEVMETHOD(ifdi_vlan_register, ice_if_vlan_register), 16871d10453SEric Joyner DEVMETHOD(ifdi_vlan_unregister, ice_if_vlan_unregister), 16971d10453SEric Joyner DEVMETHOD(ifdi_get_counter, ice_if_get_counter), 17071d10453SEric Joyner DEVMETHOD(ifdi_priv_ioctl, ice_if_priv_ioctl), 17171d10453SEric Joyner DEVMETHOD(ifdi_i2c_req, ice_if_i2c_req), 172*7d7af7f8SEric Joyner DEVMETHOD(ifdi_suspend, ice_if_suspend), 173*7d7af7f8SEric Joyner DEVMETHOD(ifdi_resume, ice_if_resume), 17471d10453SEric Joyner DEVMETHOD_END 17571d10453SEric Joyner }; 17671d10453SEric Joyner 17771d10453SEric Joyner /** 17871d10453SEric Joyner * @var ice_driver 17971d10453SEric Joyner * @brief driver structure for the generic device stack 18071d10453SEric Joyner * 18171d10453SEric Joyner * driver_t definition used to setup the generic device methods. 18271d10453SEric Joyner */ 18371d10453SEric Joyner static driver_t ice_driver = { 18471d10453SEric Joyner .name = "ice", 18571d10453SEric Joyner .methods = ice_methods, 18671d10453SEric Joyner .size = sizeof(struct ice_softc), 18771d10453SEric Joyner }; 18871d10453SEric Joyner 18971d10453SEric Joyner /** 19071d10453SEric Joyner * @var ice_iflib_driver 19171d10453SEric Joyner * @brief driver structure for the iflib stack 19271d10453SEric Joyner * 19371d10453SEric Joyner * driver_t definition used to setup the iflib device methods. 19471d10453SEric Joyner */ 19571d10453SEric Joyner static driver_t ice_iflib_driver = { 19671d10453SEric Joyner .name = "ice", 19771d10453SEric Joyner .methods = ice_iflib_methods, 19871d10453SEric Joyner .size = sizeof(struct ice_softc), 19971d10453SEric Joyner }; 20071d10453SEric Joyner 20171d10453SEric Joyner extern struct if_txrx ice_txrx; 20271d10453SEric Joyner extern struct if_txrx ice_recovery_txrx; 20371d10453SEric Joyner 20471d10453SEric Joyner /** 20571d10453SEric Joyner * @var ice_sctx 20671d10453SEric Joyner * @brief ice driver shared context 20771d10453SEric Joyner * 20871d10453SEric Joyner * Structure defining shared values (context) that is used by all instances of 20971d10453SEric Joyner * the device. Primarily used to setup details about how the iflib stack 21071d10453SEric Joyner * should treat this driver. Also defines the default, minimum, and maximum 21171d10453SEric Joyner * number of descriptors in each ring. 21271d10453SEric Joyner */ 21371d10453SEric Joyner static struct if_shared_ctx ice_sctx = { 21471d10453SEric Joyner .isc_magic = IFLIB_MAGIC, 21571d10453SEric Joyner .isc_q_align = PAGE_SIZE, 21671d10453SEric Joyner 21771d10453SEric Joyner .isc_tx_maxsize = ICE_MAX_FRAME_SIZE, 21871d10453SEric Joyner /* We could technically set this as high as ICE_MAX_DMA_SEG_SIZE, but 21971d10453SEric Joyner * that doesn't make sense since that would be larger than the maximum 22071d10453SEric Joyner * size of a single packet. 22171d10453SEric Joyner */ 22271d10453SEric Joyner .isc_tx_maxsegsize = ICE_MAX_FRAME_SIZE, 22371d10453SEric Joyner 22471d10453SEric Joyner /* XXX: This is only used by iflib to ensure that 22571d10453SEric Joyner * scctx->isc_tx_tso_size_max + the VLAN header is a valid size. 22671d10453SEric Joyner */ 22771d10453SEric Joyner .isc_tso_maxsize = ICE_TSO_SIZE + sizeof(struct ether_vlan_header), 22871d10453SEric Joyner /* XXX: This is used by iflib to set the number of segments in the TSO 22971d10453SEric Joyner * DMA tag. However, scctx->isc_tx_tso_segsize_max is used to set the 23071d10453SEric Joyner * related ifnet parameter. 23171d10453SEric Joyner */ 23271d10453SEric Joyner .isc_tso_maxsegsize = ICE_MAX_DMA_SEG_SIZE, 23371d10453SEric Joyner 23471d10453SEric Joyner .isc_rx_maxsize = ICE_MAX_FRAME_SIZE, 23571d10453SEric Joyner .isc_rx_nsegments = ICE_MAX_RX_SEGS, 23671d10453SEric Joyner .isc_rx_maxsegsize = ICE_MAX_FRAME_SIZE, 23771d10453SEric Joyner 23871d10453SEric Joyner .isc_nfl = 1, 23971d10453SEric Joyner .isc_ntxqs = 1, 24071d10453SEric Joyner .isc_nrxqs = 1, 24171d10453SEric Joyner 24271d10453SEric Joyner .isc_admin_intrcnt = 1, 24371d10453SEric Joyner .isc_vendor_info = ice_vendor_info_array, 24471d10453SEric Joyner .isc_driver_version = __DECONST(char *, ice_driver_version), 24571d10453SEric Joyner .isc_driver = &ice_iflib_driver, 24671d10453SEric Joyner 24771d10453SEric Joyner /* 24871d10453SEric Joyner * IFLIB_NEED_SCRATCH ensures that mbufs have scratch space available 24971d10453SEric Joyner * for hardware checksum offload 25071d10453SEric Joyner * 25171d10453SEric Joyner * IFLIB_TSO_INIT_IP ensures that the TSO packets have zeroed out the 25271d10453SEric Joyner * IP sum field, required by our hardware to calculate valid TSO 25371d10453SEric Joyner * checksums. 25471d10453SEric Joyner * 25571d10453SEric Joyner * IFLIB_ADMIN_ALWAYS_RUN ensures that the administrative task runs 25671d10453SEric Joyner * even when the interface is down. 25771d10453SEric Joyner * 25871d10453SEric Joyner * IFLIB_SKIP_MSIX allows the driver to handle allocating MSI-X 25971d10453SEric Joyner * vectors manually instead of relying on iflib code to do this. 26071d10453SEric Joyner */ 26171d10453SEric Joyner .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | 26271d10453SEric Joyner IFLIB_ADMIN_ALWAYS_RUN | IFLIB_SKIP_MSIX, 26371d10453SEric Joyner 26471d10453SEric Joyner .isc_nrxd_min = {ICE_MIN_DESC_COUNT}, 26571d10453SEric Joyner .isc_ntxd_min = {ICE_MIN_DESC_COUNT}, 26671d10453SEric Joyner .isc_nrxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 26771d10453SEric Joyner .isc_ntxd_max = {ICE_IFLIB_MAX_DESC_COUNT}, 26871d10453SEric Joyner .isc_nrxd_default = {ICE_DEFAULT_DESC_COUNT}, 26971d10453SEric Joyner .isc_ntxd_default = {ICE_DEFAULT_DESC_COUNT}, 27071d10453SEric Joyner }; 27171d10453SEric Joyner 27271d10453SEric Joyner /** 27371d10453SEric Joyner * @var ice_devclass 27471d10453SEric Joyner * @brief ice driver device class 27571d10453SEric Joyner * 27671d10453SEric Joyner * device class used to setup the ice driver module kobject class. 27771d10453SEric Joyner */ 27871d10453SEric Joyner devclass_t ice_devclass; 27971d10453SEric Joyner DRIVER_MODULE(ice, pci, ice_driver, ice_devclass, ice_module_event_handler, 0); 28071d10453SEric Joyner 28171d10453SEric Joyner MODULE_VERSION(ice, 1); 28271d10453SEric Joyner MODULE_DEPEND(ice, pci, 1, 1, 1); 28371d10453SEric Joyner MODULE_DEPEND(ice, ether, 1, 1, 1); 28471d10453SEric Joyner MODULE_DEPEND(ice, iflib, 1, 1, 1); 28571d10453SEric Joyner 28671d10453SEric Joyner IFLIB_PNP_INFO(pci, ice, ice_vendor_info_array); 28771d10453SEric Joyner 28871d10453SEric Joyner /* Static driver-wide sysctls */ 28971d10453SEric Joyner #include "ice_iflib_sysctls.h" 29071d10453SEric Joyner 29171d10453SEric Joyner /** 29271d10453SEric Joyner * ice_pci_mapping - Map PCI BAR memory 29371d10453SEric Joyner * @sc: device private softc 29471d10453SEric Joyner * 29571d10453SEric Joyner * Map PCI BAR 0 for device operation. 29671d10453SEric Joyner */ 29771d10453SEric Joyner static int 29871d10453SEric Joyner ice_pci_mapping(struct ice_softc *sc) 29971d10453SEric Joyner { 30071d10453SEric Joyner int rc; 30171d10453SEric Joyner 30271d10453SEric Joyner /* Map BAR0 */ 30371d10453SEric Joyner rc = ice_map_bar(sc->dev, &sc->bar0, 0); 30471d10453SEric Joyner if (rc) 30571d10453SEric Joyner return rc; 30671d10453SEric Joyner 30771d10453SEric Joyner return 0; 30871d10453SEric Joyner } 30971d10453SEric Joyner 31071d10453SEric Joyner /** 31171d10453SEric Joyner * ice_free_pci_mapping - Release PCI BAR memory 31271d10453SEric Joyner * @sc: device private softc 31371d10453SEric Joyner * 31471d10453SEric Joyner * Release PCI BARs which were previously mapped by ice_pci_mapping(). 31571d10453SEric Joyner */ 31671d10453SEric Joyner static void 31771d10453SEric Joyner ice_free_pci_mapping(struct ice_softc *sc) 31871d10453SEric Joyner { 31971d10453SEric Joyner /* Free BAR0 */ 32071d10453SEric Joyner ice_free_bar(sc->dev, &sc->bar0); 32171d10453SEric Joyner } 32271d10453SEric Joyner 32371d10453SEric Joyner /* 32471d10453SEric Joyner * Device methods 32571d10453SEric Joyner */ 32671d10453SEric Joyner 32771d10453SEric Joyner /** 32871d10453SEric Joyner * ice_register - register device method callback 32971d10453SEric Joyner * @dev: the device being registered 33071d10453SEric Joyner * 33171d10453SEric Joyner * Returns a pointer to the shared context structure, which is used by iflib. 33271d10453SEric Joyner */ 33371d10453SEric Joyner static void * 33471d10453SEric Joyner ice_register(device_t dev __unused) 33571d10453SEric Joyner { 33671d10453SEric Joyner return &ice_sctx; 33771d10453SEric Joyner } /* ice_register */ 33871d10453SEric Joyner 33971d10453SEric Joyner /** 34071d10453SEric Joyner * ice_setup_scctx - Setup the iflib softc context structure 34171d10453SEric Joyner * @sc: the device private structure 34271d10453SEric Joyner * 34371d10453SEric Joyner * Setup the parameters in if_softc_ctx_t structure used by the iflib stack 34471d10453SEric Joyner * when loading. 34571d10453SEric Joyner */ 34671d10453SEric Joyner static void 34771d10453SEric Joyner ice_setup_scctx(struct ice_softc *sc) 34871d10453SEric Joyner { 34971d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 35071d10453SEric Joyner struct ice_hw *hw = &sc->hw; 35171d10453SEric Joyner bool safe_mode, recovery_mode; 35271d10453SEric Joyner 35371d10453SEric Joyner safe_mode = ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE); 35471d10453SEric Joyner recovery_mode = ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE); 35571d10453SEric Joyner 35671d10453SEric Joyner /* 35771d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, limit iflib to 35871d10453SEric Joyner * a single queue pair. 35971d10453SEric Joyner */ 36071d10453SEric Joyner if (safe_mode || recovery_mode) { 36171d10453SEric Joyner scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1; 36271d10453SEric Joyner scctx->isc_ntxqsets_max = 1; 36371d10453SEric Joyner scctx->isc_nrxqsets_max = 1; 36471d10453SEric Joyner } else { 36571d10453SEric Joyner /* 36671d10453SEric Joyner * iflib initially sets the isc_ntxqsets and isc_nrxqsets to 36771d10453SEric Joyner * the values of the override sysctls. Cache these initial 36871d10453SEric Joyner * values so that the driver can be aware of what the iflib 36971d10453SEric Joyner * sysctl value is when setting up MSI-X vectors. 37071d10453SEric Joyner */ 37171d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets; 37271d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets; 37371d10453SEric Joyner 37471d10453SEric Joyner if (scctx->isc_ntxqsets == 0) 37571d10453SEric Joyner scctx->isc_ntxqsets = hw->func_caps.common_cap.rss_table_size; 37671d10453SEric Joyner if (scctx->isc_nrxqsets == 0) 37771d10453SEric Joyner scctx->isc_nrxqsets = hw->func_caps.common_cap.rss_table_size; 37871d10453SEric Joyner 37971d10453SEric Joyner scctx->isc_ntxqsets_max = hw->func_caps.common_cap.num_txq; 38071d10453SEric Joyner scctx->isc_nrxqsets_max = hw->func_caps.common_cap.num_rxq; 38171d10453SEric Joyner 38271d10453SEric Joyner /* 38371d10453SEric Joyner * Sanity check that the iflib sysctl values are within the 38471d10453SEric Joyner * maximum supported range. 38571d10453SEric Joyner */ 38671d10453SEric Joyner if (sc->ifc_sysctl_ntxqs > scctx->isc_ntxqsets_max) 38771d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets_max; 38871d10453SEric Joyner if (sc->ifc_sysctl_nrxqs > scctx->isc_nrxqsets_max) 38971d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets_max; 39071d10453SEric Joyner } 39171d10453SEric Joyner 39271d10453SEric Joyner scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 39371d10453SEric Joyner * sizeof(struct ice_tx_desc), DBA_ALIGN); 39471d10453SEric Joyner scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 39571d10453SEric Joyner * sizeof(union ice_32b_rx_flex_desc), DBA_ALIGN); 39671d10453SEric Joyner 39771d10453SEric Joyner scctx->isc_tx_nsegments = ICE_MAX_TX_SEGS; 39871d10453SEric Joyner scctx->isc_tx_tso_segments_max = ICE_MAX_TSO_SEGS; 39971d10453SEric Joyner scctx->isc_tx_tso_size_max = ICE_TSO_SIZE; 40071d10453SEric Joyner scctx->isc_tx_tso_segsize_max = ICE_MAX_DMA_SEG_SIZE; 40171d10453SEric Joyner 40271d10453SEric Joyner scctx->isc_msix_bar = PCIR_BAR(ICE_MSIX_BAR); 40371d10453SEric Joyner scctx->isc_rss_table_size = hw->func_caps.common_cap.rss_table_size; 40471d10453SEric Joyner 40571d10453SEric Joyner /* 40671d10453SEric Joyner * If the driver loads in recovery mode, disable Tx/Rx functionality 40771d10453SEric Joyner */ 40871d10453SEric Joyner if (recovery_mode) 40971d10453SEric Joyner scctx->isc_txrx = &ice_recovery_txrx; 41071d10453SEric Joyner else 41171d10453SEric Joyner scctx->isc_txrx = &ice_txrx; 41271d10453SEric Joyner 41371d10453SEric Joyner /* 41471d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, disable 41571d10453SEric Joyner * advanced features including hardware offloads. 41671d10453SEric Joyner */ 41771d10453SEric Joyner if (safe_mode || recovery_mode) { 41871d10453SEric Joyner scctx->isc_capenable = ICE_SAFE_CAPS; 41971d10453SEric Joyner scctx->isc_tx_csum_flags = 0; 42071d10453SEric Joyner } else { 42171d10453SEric Joyner scctx->isc_capenable = ICE_FULL_CAPS; 42271d10453SEric Joyner scctx->isc_tx_csum_flags = ICE_CSUM_OFFLOAD; 42371d10453SEric Joyner } 42471d10453SEric Joyner 42571d10453SEric Joyner scctx->isc_capabilities = scctx->isc_capenable; 42671d10453SEric Joyner } /* ice_setup_scctx */ 42771d10453SEric Joyner 42871d10453SEric Joyner /** 42971d10453SEric Joyner * ice_if_attach_pre - Early device attach logic 43071d10453SEric Joyner * @ctx: the iflib context structure 43171d10453SEric Joyner * 43271d10453SEric Joyner * Called by iflib during the attach process. Earliest main driver entry 43371d10453SEric Joyner * point which performs necessary hardware and driver initialization. Called 43471d10453SEric Joyner * before the Tx and Rx queues are allocated. 43571d10453SEric Joyner */ 43671d10453SEric Joyner static int 43771d10453SEric Joyner ice_if_attach_pre(if_ctx_t ctx) 43871d10453SEric Joyner { 43971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 44071d10453SEric Joyner enum ice_fw_modes fw_mode; 44171d10453SEric Joyner enum ice_status status; 44271d10453SEric Joyner if_softc_ctx_t scctx; 44371d10453SEric Joyner struct ice_hw *hw; 44471d10453SEric Joyner device_t dev; 44571d10453SEric Joyner int err; 44671d10453SEric Joyner 44771d10453SEric Joyner device_printf(iflib_get_dev(ctx), "Loading the iflib ice driver\n"); 44871d10453SEric Joyner 44971d10453SEric Joyner sc->ctx = ctx; 45071d10453SEric Joyner sc->media = iflib_get_media(ctx); 45171d10453SEric Joyner sc->sctx = iflib_get_sctx(ctx); 45271d10453SEric Joyner sc->iflib_ctx_lock = iflib_ctx_lock_get(ctx); 45371d10453SEric Joyner 45471d10453SEric Joyner dev = sc->dev = iflib_get_dev(ctx); 45571d10453SEric Joyner scctx = sc->scctx = iflib_get_softc_ctx(ctx); 45671d10453SEric Joyner 45771d10453SEric Joyner hw = &sc->hw; 45871d10453SEric Joyner hw->back = sc; 45971d10453SEric Joyner 46071d10453SEric Joyner snprintf(sc->admin_mtx_name, sizeof(sc->admin_mtx_name), 46171d10453SEric Joyner "%s:admin", device_get_nameunit(dev)); 46271d10453SEric Joyner mtx_init(&sc->admin_mtx, sc->admin_mtx_name, NULL, MTX_DEF); 46371d10453SEric Joyner callout_init_mtx(&sc->admin_timer, &sc->admin_mtx, 0); 46471d10453SEric Joyner 46571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 46671d10453SEric Joyner 46771d10453SEric Joyner if (ice_pci_mapping(sc)) { 46871d10453SEric Joyner err = (ENXIO); 46971d10453SEric Joyner goto destroy_admin_timer; 47071d10453SEric Joyner } 47171d10453SEric Joyner 47271d10453SEric Joyner /* Save off the PCI information */ 47371d10453SEric Joyner ice_save_pci_info(hw, dev); 47471d10453SEric Joyner 47571d10453SEric Joyner /* create tunables as early as possible */ 47671d10453SEric Joyner ice_add_device_tunables(sc); 47771d10453SEric Joyner 47871d10453SEric Joyner /* Setup ControlQ lengths */ 47971d10453SEric Joyner ice_set_ctrlq_len(hw); 48071d10453SEric Joyner 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 51571d10453SEric Joyner /* Notify firmware of the device driver version */ 51671d10453SEric Joyner err = ice_send_version(sc); 51771d10453SEric Joyner if (err) 51871d10453SEric Joyner goto deinit_hw; 51971d10453SEric Joyner 52071d10453SEric Joyner ice_load_pkg_file(sc); 52171d10453SEric Joyner 52271d10453SEric Joyner err = ice_init_link_events(sc); 52371d10453SEric Joyner if (err) { 52471d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 52571d10453SEric Joyner ice_err_str(err)); 52671d10453SEric Joyner goto deinit_hw; 52771d10453SEric Joyner } 52871d10453SEric Joyner 52971d10453SEric Joyner ice_print_nvm_version(sc); 53071d10453SEric Joyner 53171d10453SEric Joyner ice_init_device_features(sc); 53271d10453SEric Joyner 53371d10453SEric Joyner /* Setup the MAC address */ 53471d10453SEric Joyner iflib_set_mac(ctx, hw->port_info->mac.lan_addr); 53571d10453SEric Joyner 53671d10453SEric Joyner /* Setup the iflib softc context structure */ 53771d10453SEric Joyner ice_setup_scctx(sc); 53871d10453SEric Joyner 53971d10453SEric Joyner /* Initialize the Tx queue manager */ 54071d10453SEric Joyner err = ice_resmgr_init(&sc->tx_qmgr, hw->func_caps.common_cap.num_txq); 54171d10453SEric Joyner if (err) { 54271d10453SEric Joyner device_printf(dev, "Unable to initialize Tx queue manager: %s\n", 54371d10453SEric Joyner ice_err_str(err)); 54471d10453SEric Joyner goto deinit_hw; 54571d10453SEric Joyner } 54671d10453SEric Joyner 54771d10453SEric Joyner /* Initialize the Rx queue manager */ 54871d10453SEric Joyner err = ice_resmgr_init(&sc->rx_qmgr, hw->func_caps.common_cap.num_rxq); 54971d10453SEric Joyner if (err) { 55071d10453SEric Joyner device_printf(dev, "Unable to initialize Rx queue manager: %s\n", 55171d10453SEric Joyner ice_err_str(err)); 55271d10453SEric Joyner goto free_tx_qmgr; 55371d10453SEric Joyner } 55471d10453SEric Joyner 55571d10453SEric Joyner /* Initialize the interrupt resource manager */ 55671d10453SEric Joyner err = ice_alloc_intr_tracking(sc); 55771d10453SEric Joyner if (err) 55871d10453SEric Joyner /* Errors are already printed */ 55971d10453SEric Joyner goto free_rx_qmgr; 56071d10453SEric Joyner 56171d10453SEric Joyner /* Determine maximum number of VSIs we'll prepare for */ 56271d10453SEric Joyner sc->num_available_vsi = min(ICE_MAX_VSI_AVAILABLE, 56371d10453SEric Joyner hw->func_caps.guar_num_vsi); 56471d10453SEric Joyner 56571d10453SEric Joyner if (!sc->num_available_vsi) { 56671d10453SEric Joyner err = EIO; 56771d10453SEric Joyner device_printf(dev, "No VSIs allocated to host\n"); 56871d10453SEric Joyner goto free_intr_tracking; 56971d10453SEric Joyner } 57071d10453SEric Joyner 57171d10453SEric Joyner /* Allocate storage for the VSI pointers */ 57271d10453SEric Joyner sc->all_vsi = (struct ice_vsi **) 57371d10453SEric Joyner malloc(sizeof(struct ice_vsi *) * sc->num_available_vsi, 57471d10453SEric Joyner M_ICE, M_WAITOK | M_ZERO); 57571d10453SEric Joyner if (!sc->all_vsi) { 57671d10453SEric Joyner err = ENOMEM; 57771d10453SEric Joyner device_printf(dev, "Unable to allocate VSI array\n"); 57871d10453SEric Joyner goto free_intr_tracking; 57971d10453SEric Joyner } 58071d10453SEric Joyner 58171d10453SEric Joyner /* 58271d10453SEric Joyner * Prepare the statically allocated primary PF VSI in the softc 58371d10453SEric Joyner * structure. Other VSIs will be dynamically allocated as needed. 58471d10453SEric Joyner */ 58571d10453SEric Joyner ice_setup_pf_vsi(sc); 58671d10453SEric Joyner 58771d10453SEric Joyner err = ice_alloc_vsi_qmap(&sc->pf_vsi, scctx->isc_ntxqsets_max, 58871d10453SEric Joyner scctx->isc_nrxqsets_max); 58971d10453SEric Joyner if (err) { 59071d10453SEric Joyner device_printf(dev, "Unable to allocate VSI Queue maps\n"); 59171d10453SEric Joyner goto free_main_vsi; 59271d10453SEric Joyner } 59371d10453SEric Joyner 59471d10453SEric Joyner /* Allocate MSI-X vectors (due to isc_flags IFLIB_SKIP_MSIX) */ 59571d10453SEric Joyner err = ice_allocate_msix(sc); 59671d10453SEric Joyner if (err) 59771d10453SEric Joyner goto free_main_vsi; 59871d10453SEric Joyner 59971d10453SEric Joyner return 0; 60071d10453SEric Joyner 60171d10453SEric Joyner free_main_vsi: 60271d10453SEric Joyner /* ice_release_vsi will free the queue maps if they were allocated */ 60371d10453SEric Joyner ice_release_vsi(&sc->pf_vsi); 60471d10453SEric Joyner free(sc->all_vsi, M_ICE); 60571d10453SEric Joyner sc->all_vsi = NULL; 60671d10453SEric Joyner free_intr_tracking: 60771d10453SEric Joyner ice_free_intr_tracking(sc); 60871d10453SEric Joyner free_rx_qmgr: 60971d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 61071d10453SEric Joyner free_tx_qmgr: 61171d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 61271d10453SEric Joyner deinit_hw: 61371d10453SEric Joyner ice_deinit_hw(hw); 61471d10453SEric Joyner free_pci_mapping: 61571d10453SEric Joyner ice_free_pci_mapping(sc); 61671d10453SEric Joyner destroy_admin_timer: 61771d10453SEric Joyner mtx_lock(&sc->admin_mtx); 61871d10453SEric Joyner callout_stop(&sc->admin_timer); 61971d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 62071d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 62171d10453SEric Joyner return err; 62271d10453SEric Joyner } /* ice_if_attach_pre */ 62371d10453SEric Joyner 62471d10453SEric Joyner /** 62571d10453SEric Joyner * ice_attach_pre_recovery_mode - Limited driver attach_pre for FW recovery 62671d10453SEric Joyner * @sc: the device private softc 62771d10453SEric Joyner * 62871d10453SEric Joyner * Loads the device driver in limited Firmware Recovery mode, intended to 62971d10453SEric Joyner * allow users to update the firmware to attempt to recover the device. 63071d10453SEric Joyner * 63171d10453SEric Joyner * @remark We may enter recovery mode in case either (a) the firmware is 63271d10453SEric Joyner * detected to be in an invalid state and must be re-programmed, or (b) the 63371d10453SEric Joyner * driver detects that the loaded firmware has a non-compatible API version 63471d10453SEric Joyner * that the driver cannot operate with. 63571d10453SEric Joyner */ 63671d10453SEric Joyner static int 63771d10453SEric Joyner ice_attach_pre_recovery_mode(struct ice_softc *sc) 63871d10453SEric Joyner { 63971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RECOVERY_MODE); 64071d10453SEric Joyner 64171d10453SEric Joyner /* Setup the iflib softc context */ 64271d10453SEric Joyner ice_setup_scctx(sc); 64371d10453SEric Joyner 64471d10453SEric Joyner /* Setup the PF VSI back pointer */ 64571d10453SEric Joyner sc->pf_vsi.sc = sc; 64671d10453SEric Joyner 64771d10453SEric Joyner /* 64871d10453SEric Joyner * We still need to allocate MSI-X vectors since we need one vector to 64971d10453SEric Joyner * run the administrative admin interrupt 65071d10453SEric Joyner */ 65171d10453SEric Joyner return ice_allocate_msix(sc); 65271d10453SEric Joyner } 65371d10453SEric Joyner 65471d10453SEric Joyner /** 65571d10453SEric Joyner * ice_update_link_status - notify OS of link state change 65671d10453SEric Joyner * @sc: device private softc structure 65771d10453SEric Joyner * @update_media: true if we should update media even if link didn't change 65871d10453SEric Joyner * 65971d10453SEric Joyner * Called to notify iflib core of link status changes. Should be called once 66071d10453SEric Joyner * during attach_post, and whenever link status changes during runtime. 66171d10453SEric Joyner * 66271d10453SEric Joyner * This call only updates the currently supported media types if the link 66371d10453SEric Joyner * status changed, or if update_media is set to true. 66471d10453SEric Joyner */ 66571d10453SEric Joyner static void 66671d10453SEric Joyner ice_update_link_status(struct ice_softc *sc, bool update_media) 66771d10453SEric Joyner { 66871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 669*7d7af7f8SEric Joyner enum ice_status status; 67071d10453SEric Joyner 67171d10453SEric Joyner /* Never report link up when in recovery mode */ 67271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 67371d10453SEric Joyner return; 67471d10453SEric Joyner 67571d10453SEric Joyner /* Report link status to iflib only once each time it changes */ 67671d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED)) { 67771d10453SEric Joyner if (sc->link_up) { /* link is up */ 67871d10453SEric Joyner uint64_t baudrate = ice_aq_speed_to_rate(sc->hw.port_info); 67971d10453SEric Joyner 680*7d7af7f8SEric Joyner ice_set_default_local_lldp_mib(sc); 681*7d7af7f8SEric Joyner 68271d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_UP, baudrate); 68371d10453SEric Joyner 68471d10453SEric Joyner ice_link_up_msg(sc); 68571d10453SEric Joyner 68671d10453SEric Joyner update_media = true; 68771d10453SEric Joyner } else { /* link is down */ 68871d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 68971d10453SEric Joyner 69071d10453SEric Joyner update_media = true; 69171d10453SEric Joyner } 69271d10453SEric Joyner } 69371d10453SEric Joyner 69471d10453SEric Joyner /* Update the supported media types */ 69571d10453SEric Joyner if (update_media) { 696*7d7af7f8SEric Joyner status = ice_add_media_types(sc, sc->media); 69771d10453SEric Joyner if (status) 69871d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 69971d10453SEric Joyner ice_status_str(status), 70071d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 70171d10453SEric Joyner } 70271d10453SEric Joyner 70371d10453SEric Joyner /* TODO: notify VFs of link state change */ 70471d10453SEric Joyner } 70571d10453SEric Joyner 70671d10453SEric Joyner /** 70771d10453SEric Joyner * ice_if_attach_post - Late device attach logic 70871d10453SEric Joyner * @ctx: the iflib context structure 70971d10453SEric Joyner * 71071d10453SEric Joyner * Called by iflib to finish up attaching the device. Performs any attach 71171d10453SEric Joyner * logic which must wait until after the Tx and Rx queues have been 71271d10453SEric Joyner * allocated. 71371d10453SEric Joyner */ 71471d10453SEric Joyner static int 71571d10453SEric Joyner ice_if_attach_post(if_ctx_t ctx) 71671d10453SEric Joyner { 71771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 71871d10453SEric Joyner if_t ifp = iflib_get_ifp(ctx); 71971d10453SEric Joyner int err; 72071d10453SEric Joyner 72171d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 72271d10453SEric Joyner 72371d10453SEric Joyner /* We don't yet support loading if MSI-X is not supported */ 72471d10453SEric Joyner if (sc->scctx->isc_intr != IFLIB_INTR_MSIX) { 72571d10453SEric Joyner device_printf(sc->dev, "The ice driver does not support loading without MSI-X\n"); 72671d10453SEric Joyner return (ENOTSUP); 72771d10453SEric Joyner } 72871d10453SEric Joyner 72971d10453SEric Joyner /* The ifnet structure hasn't yet been initialized when the attach_pre 73071d10453SEric Joyner * handler is called, so wait until attach_post to setup the 73171d10453SEric Joyner * isc_max_frame_size. 73271d10453SEric Joyner */ 73371d10453SEric Joyner 73471d10453SEric Joyner sc->ifp = ifp; 73571d10453SEric Joyner sc->scctx->isc_max_frame_size = ifp->if_mtu + 73671d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 73771d10453SEric Joyner 73871d10453SEric Joyner /* 73971d10453SEric Joyner * If we are in recovery mode, only perform a limited subset of 74071d10453SEric Joyner * initialization to support NVM recovery. 74171d10453SEric Joyner */ 74271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 74371d10453SEric Joyner ice_attach_post_recovery_mode(sc); 74471d10453SEric Joyner return (0); 74571d10453SEric Joyner } 74671d10453SEric Joyner 74771d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 74871d10453SEric Joyner 74971d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 75071d10453SEric Joyner if (err) { 75171d10453SEric Joyner device_printf(sc->dev, "Unable to initialize Main VSI: %s\n", 75271d10453SEric Joyner ice_err_str(err)); 75371d10453SEric Joyner return err; 75471d10453SEric Joyner } 75571d10453SEric Joyner 75671d10453SEric Joyner /* Configure the main PF VSI for RSS */ 75771d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 75871d10453SEric Joyner if (err) { 75971d10453SEric Joyner device_printf(sc->dev, 76071d10453SEric Joyner "Unable to configure RSS for the main VSI, err %s\n", 76171d10453SEric Joyner ice_err_str(err)); 76271d10453SEric Joyner return err; 76371d10453SEric Joyner } 76471d10453SEric Joyner 76571d10453SEric Joyner /* Configure switch to drop transmitted LLDP and PAUSE frames */ 76671d10453SEric Joyner err = ice_cfg_pf_ethertype_filters(sc); 76771d10453SEric Joyner if (err) 76871d10453SEric Joyner return err; 76971d10453SEric Joyner 77071d10453SEric Joyner ice_get_and_print_bus_info(sc); 77171d10453SEric Joyner 77271d10453SEric Joyner ice_set_link_management_mode(sc); 77371d10453SEric Joyner 77471d10453SEric Joyner ice_init_saved_phy_cfg(sc); 77571d10453SEric Joyner 77671d10453SEric Joyner ice_add_device_sysctls(sc); 77771d10453SEric Joyner 77871d10453SEric Joyner /* Get DCBX/LLDP state and start DCBX agent */ 77971d10453SEric Joyner ice_init_dcb_setup(sc); 78071d10453SEric Joyner 78171d10453SEric Joyner /* Setup link configuration parameters */ 78271d10453SEric Joyner ice_init_link_configuration(sc); 78371d10453SEric Joyner ice_update_link_status(sc, true); 78471d10453SEric Joyner 78571d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 78671d10453SEric Joyner ice_configure_misc_interrupts(sc); 78771d10453SEric Joyner 78871d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 78971d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 79071d10453SEric Joyner 79171d10453SEric Joyner /* Start the admin timer */ 79271d10453SEric Joyner mtx_lock(&sc->admin_mtx); 79371d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 79471d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 79571d10453SEric Joyner 79671d10453SEric Joyner return 0; 79771d10453SEric Joyner } /* ice_if_attach_post */ 79871d10453SEric Joyner 79971d10453SEric Joyner /** 80071d10453SEric Joyner * ice_attach_post_recovery_mode - Limited driver attach_post for FW recovery 80171d10453SEric Joyner * @sc: the device private softc 80271d10453SEric Joyner * 80371d10453SEric Joyner * Performs minimal work to prepare the driver to recover an NVM in case the 80471d10453SEric Joyner * firmware is in recovery mode. 80571d10453SEric Joyner */ 80671d10453SEric Joyner static void 80771d10453SEric Joyner ice_attach_post_recovery_mode(struct ice_softc *sc) 80871d10453SEric Joyner { 80971d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 81071d10453SEric Joyner ice_configure_misc_interrupts(sc); 81171d10453SEric Joyner 81271d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 81371d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 81471d10453SEric Joyner 81571d10453SEric Joyner /* Start the admin timer */ 81671d10453SEric Joyner mtx_lock(&sc->admin_mtx); 81771d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 81871d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 81971d10453SEric Joyner } 82071d10453SEric Joyner 82171d10453SEric Joyner /** 82271d10453SEric Joyner * ice_free_irqvs - Free IRQ vector memory 82371d10453SEric Joyner * @sc: the device private softc structure 82471d10453SEric Joyner * 82571d10453SEric Joyner * Free IRQ vector memory allocated during ice_if_msix_intr_assign. 82671d10453SEric Joyner */ 82771d10453SEric Joyner static void 82871d10453SEric Joyner ice_free_irqvs(struct ice_softc *sc) 82971d10453SEric Joyner { 83071d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 83171d10453SEric Joyner if_ctx_t ctx = sc->ctx; 83271d10453SEric Joyner int i; 83371d10453SEric Joyner 83471d10453SEric Joyner /* If the irqvs array is NULL, then there are no vectors to free */ 83571d10453SEric Joyner if (sc->irqvs == NULL) 83671d10453SEric Joyner return; 83771d10453SEric Joyner 83871d10453SEric Joyner /* Free the IRQ vectors */ 83971d10453SEric Joyner for (i = 0; i < sc->num_irq_vectors; i++) 84071d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[i].irq); 84171d10453SEric Joyner 84271d10453SEric Joyner /* Clear the irqv pointers */ 84371d10453SEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 84471d10453SEric Joyner vsi->rx_queues[i].irqv = NULL; 84571d10453SEric Joyner 84671d10453SEric Joyner for (i = 0; i < vsi->num_tx_queues; i++) 84771d10453SEric Joyner vsi->tx_queues[i].irqv = NULL; 84871d10453SEric Joyner 84971d10453SEric Joyner /* Release the vector array memory */ 85071d10453SEric Joyner free(sc->irqvs, M_ICE); 85171d10453SEric Joyner sc->irqvs = NULL; 85271d10453SEric Joyner sc->num_irq_vectors = 0; 85371d10453SEric Joyner } 85471d10453SEric Joyner 85571d10453SEric Joyner /** 85671d10453SEric Joyner * ice_if_detach - Device driver detach logic 85771d10453SEric Joyner * @ctx: iflib context structure 85871d10453SEric Joyner * 85971d10453SEric Joyner * Perform device shutdown logic to detach the device driver. 86071d10453SEric Joyner * 86171d10453SEric Joyner * Note that there is no guarantee of the ordering of ice_if_queues_free() and 86271d10453SEric Joyner * ice_if_detach(). It is possible for the functions to be called in either 86371d10453SEric Joyner * order, and they must not assume to have a strict ordering. 86471d10453SEric Joyner */ 86571d10453SEric Joyner static int 86671d10453SEric Joyner ice_if_detach(if_ctx_t ctx) 86771d10453SEric Joyner { 86871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 86971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 87071d10453SEric Joyner int i; 87171d10453SEric Joyner 87271d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 87371d10453SEric Joyner 87471d10453SEric Joyner /* Indicate that we're detaching */ 87571d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DETACHING); 87671d10453SEric Joyner 87771d10453SEric Joyner /* Stop the admin timer */ 87871d10453SEric Joyner mtx_lock(&sc->admin_mtx); 87971d10453SEric Joyner callout_stop(&sc->admin_timer); 88071d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 88171d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 88271d10453SEric Joyner 88371d10453SEric Joyner /* Free allocated media types */ 88471d10453SEric Joyner ifmedia_removeall(sc->media); 88571d10453SEric Joyner 88671d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 88771d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_queues_free() 88871d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 88971d10453SEric Joyner * run first 89071d10453SEric Joyner */ 89171d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 89271d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 89371d10453SEric Joyner 89471d10453SEric Joyner /* Release MSI-X resources */ 89571d10453SEric Joyner ice_free_irqvs(sc); 89671d10453SEric Joyner 89771d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 89871d10453SEric Joyner if (sc->all_vsi[i]) 89971d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 90071d10453SEric Joyner } 90171d10453SEric Joyner 90271d10453SEric Joyner if (sc->all_vsi) { 90371d10453SEric Joyner free(sc->all_vsi, M_ICE); 90471d10453SEric Joyner sc->all_vsi = NULL; 90571d10453SEric Joyner } 90671d10453SEric Joyner 90771d10453SEric Joyner /* Release MSI-X memory */ 90871d10453SEric Joyner pci_release_msi(sc->dev); 90971d10453SEric Joyner 91071d10453SEric Joyner if (sc->msix_table != NULL) { 91171d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 91271d10453SEric Joyner rman_get_rid(sc->msix_table), 91371d10453SEric Joyner sc->msix_table); 91471d10453SEric Joyner sc->msix_table = NULL; 91571d10453SEric Joyner } 91671d10453SEric Joyner 91771d10453SEric Joyner ice_free_intr_tracking(sc); 91871d10453SEric Joyner 91971d10453SEric Joyner /* Destroy the queue managers */ 92071d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 92171d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 92271d10453SEric Joyner 92371d10453SEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 92471d10453SEric Joyner ice_deinit_hw(&sc->hw); 92571d10453SEric Joyner 92671d10453SEric Joyner ice_free_pci_mapping(sc); 92771d10453SEric Joyner 92871d10453SEric Joyner return 0; 92971d10453SEric Joyner } /* ice_if_detach */ 93071d10453SEric Joyner 93171d10453SEric Joyner /** 93271d10453SEric Joyner * ice_if_tx_queues_alloc - Allocate Tx queue memory 93371d10453SEric Joyner * @ctx: iflib context structure 93471d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 93571d10453SEric Joyner * @paddrs: physical addresses for the queue memory 93671d10453SEric Joyner * @ntxqs: the number of Tx queues per set (should always be 1) 93771d10453SEric Joyner * @ntxqsets: the number of Tx queue sets to allocate 93871d10453SEric Joyner * 93971d10453SEric Joyner * Called by iflib to allocate Tx queues for the device. Allocates driver 94071d10453SEric Joyner * memory to track each queue, the status arrays used for descriptor 94171d10453SEric Joyner * status reporting, and Tx queue sysctls. 94271d10453SEric Joyner */ 94371d10453SEric Joyner static int 94471d10453SEric Joyner ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 94571d10453SEric Joyner int __invariant_only ntxqs, int ntxqsets) 94671d10453SEric Joyner { 94771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 94871d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 94971d10453SEric Joyner struct ice_tx_queue *txq; 95071d10453SEric Joyner int err, i, j; 95171d10453SEric Joyner 95271d10453SEric Joyner MPASS(ntxqs == 1); 95371d10453SEric Joyner MPASS(sc->scctx->isc_ntxd[0] <= ICE_MAX_DESC_COUNT); 95471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 95571d10453SEric Joyner 95671d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 95771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 95871d10453SEric Joyner return (0); 95971d10453SEric Joyner 96071d10453SEric Joyner /* Allocate queue structure memory */ 96171d10453SEric Joyner if (!(vsi->tx_queues = 96271d10453SEric Joyner (struct ice_tx_queue *) malloc(sizeof(struct ice_tx_queue) * ntxqsets, M_ICE, M_WAITOK | M_ZERO))) { 96371d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Tx queue memory\n"); 96471d10453SEric Joyner return (ENOMEM); 96571d10453SEric Joyner } 96671d10453SEric Joyner 96771d10453SEric Joyner /* Allocate report status arrays */ 96871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 96971d10453SEric Joyner if (!(txq->tx_rsq = 97071d10453SEric Joyner (uint16_t *) malloc(sizeof(uint16_t) * sc->scctx->isc_ntxd[0], M_ICE, M_WAITOK))) { 97171d10453SEric Joyner device_printf(sc->dev, "Unable to allocate tx_rsq memory\n"); 97271d10453SEric Joyner err = ENOMEM; 97371d10453SEric Joyner goto free_tx_queues; 97471d10453SEric Joyner } 97571d10453SEric Joyner /* Initialize report status array */ 97671d10453SEric Joyner for (j = 0; j < sc->scctx->isc_ntxd[0]; j++) 97771d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 97871d10453SEric Joyner } 97971d10453SEric Joyner 98071d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 98171d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, ntxqsets); 98271d10453SEric Joyner if (err) { 98371d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 98471d10453SEric Joyner ice_err_str(err)); 98571d10453SEric Joyner goto free_tx_queues; 98671d10453SEric Joyner } 98771d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 98871d10453SEric Joyner 98971d10453SEric Joyner /* Add Tx queue sysctls context */ 99071d10453SEric Joyner ice_vsi_add_txqs_ctx(vsi); 99171d10453SEric Joyner 99271d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 99371d10453SEric Joyner txq->me = i; 99471d10453SEric Joyner txq->vsi = vsi; 99571d10453SEric Joyner 99671d10453SEric Joyner /* store the queue size for easier access */ 99771d10453SEric Joyner txq->desc_count = sc->scctx->isc_ntxd[0]; 99871d10453SEric Joyner 99971d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 100071d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 100171d10453SEric Joyner txq->tx_base = (struct ice_tx_desc *)vaddrs[i]; 100271d10453SEric Joyner txq->tx_paddr = paddrs[i]; 100371d10453SEric Joyner 100471d10453SEric Joyner ice_add_txq_sysctls(txq); 100571d10453SEric Joyner } 100671d10453SEric Joyner 100771d10453SEric Joyner vsi->num_tx_queues = ntxqsets; 100871d10453SEric Joyner 100971d10453SEric Joyner return (0); 101071d10453SEric Joyner 101171d10453SEric Joyner free_tx_queues: 101271d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 101371d10453SEric Joyner if (txq->tx_rsq != NULL) { 101471d10453SEric Joyner free(txq->tx_rsq, M_ICE); 101571d10453SEric Joyner txq->tx_rsq = NULL; 101671d10453SEric Joyner } 101771d10453SEric Joyner } 101871d10453SEric Joyner free(vsi->tx_queues, M_ICE); 101971d10453SEric Joyner vsi->tx_queues = NULL; 102071d10453SEric Joyner return err; 102171d10453SEric Joyner } 102271d10453SEric Joyner 102371d10453SEric Joyner /** 102471d10453SEric Joyner * ice_if_rx_queues_alloc - Allocate Rx queue memory 102571d10453SEric Joyner * @ctx: iflib context structure 102671d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 102771d10453SEric Joyner * @paddrs: physical addresses for the queue memory 102871d10453SEric Joyner * @nrxqs: number of Rx queues per set (should always be 1) 102971d10453SEric Joyner * @nrxqsets: number of Rx queue sets to allocate 103071d10453SEric Joyner * 103171d10453SEric Joyner * Called by iflib to allocate Rx queues for the device. Allocates driver 103271d10453SEric Joyner * memory to track each queue, as well as sets up the Rx queue sysctls. 103371d10453SEric Joyner */ 103471d10453SEric Joyner static int 103571d10453SEric Joyner ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 103671d10453SEric Joyner int __invariant_only nrxqs, int nrxqsets) 103771d10453SEric Joyner { 103871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 103971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 104071d10453SEric Joyner struct ice_rx_queue *rxq; 104171d10453SEric Joyner int err, i; 104271d10453SEric Joyner 104371d10453SEric Joyner MPASS(nrxqs == 1); 104471d10453SEric Joyner MPASS(sc->scctx->isc_nrxd[0] <= ICE_MAX_DESC_COUNT); 104571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 104671d10453SEric Joyner 104771d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 104871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 104971d10453SEric Joyner return (0); 105071d10453SEric Joyner 105171d10453SEric Joyner /* Allocate queue structure memory */ 105271d10453SEric Joyner if (!(vsi->rx_queues = 105371d10453SEric Joyner (struct ice_rx_queue *) malloc(sizeof(struct ice_rx_queue) * nrxqsets, M_ICE, M_WAITOK | M_ZERO))) { 105471d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Rx queue memory\n"); 105571d10453SEric Joyner return (ENOMEM); 105671d10453SEric Joyner } 105771d10453SEric Joyner 105871d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 105971d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, nrxqsets); 106071d10453SEric Joyner if (err) { 106171d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 106271d10453SEric Joyner ice_err_str(err)); 106371d10453SEric Joyner goto free_rx_queues; 106471d10453SEric Joyner } 106571d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 106671d10453SEric Joyner 106771d10453SEric Joyner /* Add Rx queue sysctls context */ 106871d10453SEric Joyner ice_vsi_add_rxqs_ctx(vsi); 106971d10453SEric Joyner 107071d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < nrxqsets; i++, rxq++) { 107171d10453SEric Joyner rxq->me = i; 107271d10453SEric Joyner rxq->vsi = vsi; 107371d10453SEric Joyner 107471d10453SEric Joyner /* store the queue size for easier access */ 107571d10453SEric Joyner rxq->desc_count = sc->scctx->isc_nrxd[0]; 107671d10453SEric Joyner 107771d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 107871d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 107971d10453SEric Joyner rxq->rx_base = (union ice_32b_rx_flex_desc *)vaddrs[i]; 108071d10453SEric Joyner rxq->rx_paddr = paddrs[i]; 108171d10453SEric Joyner 108271d10453SEric Joyner ice_add_rxq_sysctls(rxq); 108371d10453SEric Joyner } 108471d10453SEric Joyner 108571d10453SEric Joyner vsi->num_rx_queues = nrxqsets; 108671d10453SEric Joyner 108771d10453SEric Joyner return (0); 108871d10453SEric Joyner 108971d10453SEric Joyner free_rx_queues: 109071d10453SEric Joyner free(vsi->rx_queues, M_ICE); 109171d10453SEric Joyner vsi->rx_queues = NULL; 109271d10453SEric Joyner return err; 109371d10453SEric Joyner } 109471d10453SEric Joyner 109571d10453SEric Joyner /** 109671d10453SEric Joyner * ice_if_queues_free - Free queue memory 109771d10453SEric Joyner * @ctx: the iflib context structure 109871d10453SEric Joyner * 109971d10453SEric Joyner * Free queue memory allocated by ice_if_tx_queues_alloc() and 110071d10453SEric Joyner * ice_if_rx_queues_alloc(). 110171d10453SEric Joyner * 110271d10453SEric Joyner * There is no guarantee that ice_if_queues_free() and ice_if_detach() will be 110371d10453SEric Joyner * called in the same order. It's possible for ice_if_queues_free() to be 110471d10453SEric Joyner * called prior to ice_if_detach(), and vice versa. 110571d10453SEric Joyner * 110671d10453SEric Joyner * For this reason, the main VSI is a static member of the ice_softc, which is 110771d10453SEric Joyner * not free'd until after iflib finishes calling both of these functions. 110871d10453SEric Joyner * 110971d10453SEric Joyner * Thus, care must be taken in how we manage the memory being freed by this 111071d10453SEric Joyner * function, and in what tasks it can and must perform. 111171d10453SEric Joyner */ 111271d10453SEric Joyner static void 111371d10453SEric Joyner ice_if_queues_free(if_ctx_t ctx) 111471d10453SEric Joyner { 111571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 111671d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 111771d10453SEric Joyner struct ice_tx_queue *txq; 111871d10453SEric Joyner int i; 111971d10453SEric Joyner 112071d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 112171d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_detach() 112271d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 112371d10453SEric Joyner * run first 112471d10453SEric Joyner */ 112571d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 112671d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 112771d10453SEric Joyner 112871d10453SEric Joyner /* Release MSI-X IRQ vectors, if not yet released in ice_if_detach */ 112971d10453SEric Joyner ice_free_irqvs(sc); 113071d10453SEric Joyner 113171d10453SEric Joyner if (vsi->tx_queues != NULL) { 113271d10453SEric Joyner /* free the tx_rsq arrays */ 113371d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 113471d10453SEric Joyner if (txq->tx_rsq != NULL) { 113571d10453SEric Joyner free(txq->tx_rsq, M_ICE); 113671d10453SEric Joyner txq->tx_rsq = NULL; 113771d10453SEric Joyner } 113871d10453SEric Joyner } 113971d10453SEric Joyner free(vsi->tx_queues, M_ICE); 114071d10453SEric Joyner vsi->tx_queues = NULL; 114171d10453SEric Joyner vsi->num_tx_queues = 0; 114271d10453SEric Joyner } 114371d10453SEric Joyner if (vsi->rx_queues != NULL) { 114471d10453SEric Joyner free(vsi->rx_queues, M_ICE); 114571d10453SEric Joyner vsi->rx_queues = NULL; 114671d10453SEric Joyner vsi->num_rx_queues = 0; 114771d10453SEric Joyner } 114871d10453SEric Joyner } 114971d10453SEric Joyner 115071d10453SEric Joyner /** 115171d10453SEric Joyner * ice_msix_que - Fast interrupt handler for MSI-X receive queues 115271d10453SEric Joyner * @arg: The Rx queue memory 115371d10453SEric Joyner * 115471d10453SEric Joyner * Interrupt filter function for iflib MSI-X interrupts. Called by iflib when 115571d10453SEric Joyner * an MSI-X interrupt for a given queue is triggered. Currently this just asks 115671d10453SEric Joyner * iflib to schedule the main Rx thread. 115771d10453SEric Joyner */ 115871d10453SEric Joyner static int 115971d10453SEric Joyner ice_msix_que(void *arg) 116071d10453SEric Joyner { 116171d10453SEric Joyner struct ice_rx_queue __unused *rxq = (struct ice_rx_queue *)arg; 116271d10453SEric Joyner 116371d10453SEric Joyner /* TODO: dynamic ITR algorithm?? */ 116471d10453SEric Joyner 116571d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 116671d10453SEric Joyner } 116771d10453SEric Joyner 116871d10453SEric Joyner /** 116971d10453SEric Joyner * ice_msix_admin - Fast interrupt handler for MSI-X admin interrupt 117071d10453SEric Joyner * @arg: pointer to device softc memory 117171d10453SEric Joyner * 117271d10453SEric Joyner * Called by iflib when an administrative interrupt occurs. Should perform any 117371d10453SEric Joyner * fast logic for handling the interrupt cause, and then indicate whether the 117471d10453SEric Joyner * admin task needs to be queued. 117571d10453SEric Joyner */ 117671d10453SEric Joyner static int 117771d10453SEric Joyner ice_msix_admin(void *arg) 117871d10453SEric Joyner { 117971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 118071d10453SEric Joyner struct ice_hw *hw = &sc->hw; 118171d10453SEric Joyner device_t dev = sc->dev; 118271d10453SEric Joyner u32 oicr; 118371d10453SEric Joyner 118471d10453SEric Joyner /* There is no safe way to modify the enabled miscellaneous causes of 118571d10453SEric Joyner * the OICR vector at runtime, as doing so would be prone to race 118671d10453SEric Joyner * conditions. Reading PFINT_OICR will unmask the associated interrupt 118771d10453SEric Joyner * causes and allow future interrupts to occur. The admin interrupt 118871d10453SEric Joyner * vector will not be re-enabled until after we exit this function, 118971d10453SEric Joyner * but any delayed tasks must be resilient against possible "late 119071d10453SEric Joyner * arrival" interrupts that occur while we're already handling the 119171d10453SEric Joyner * task. This is done by using state bits and serializing these 119271d10453SEric Joyner * delayed tasks via the admin status task function. 119371d10453SEric Joyner */ 119471d10453SEric Joyner oicr = rd32(hw, PFINT_OICR); 119571d10453SEric Joyner 119671d10453SEric Joyner /* Processing multiple controlq interrupts on a single vector does not 119771d10453SEric Joyner * provide an indication of which controlq triggered the interrupt. 119871d10453SEric Joyner * We might try reading the INTEVENT bit of the respective PFINT_*_CTL 119971d10453SEric Joyner * registers. However, the INTEVENT bit is not guaranteed to be set as 120071d10453SEric Joyner * it gets automatically cleared when the hardware acknowledges the 120171d10453SEric Joyner * interrupt. 120271d10453SEric Joyner * 120371d10453SEric Joyner * This means we don't really have a good indication of whether or 120471d10453SEric Joyner * which controlq triggered this interrupt. We'll just notify the 120571d10453SEric Joyner * admin task that it should check all the controlqs. 120671d10453SEric Joyner */ 120771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 120871d10453SEric Joyner 120971d10453SEric Joyner if (oicr & PFINT_OICR_VFLR_M) { 121071d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_VFLR_PENDING); 121171d10453SEric Joyner } 121271d10453SEric Joyner 121371d10453SEric Joyner if (oicr & PFINT_OICR_MAL_DETECT_M) { 121471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_MDD_PENDING); 121571d10453SEric Joyner } 121671d10453SEric Joyner 121771d10453SEric Joyner if (oicr & PFINT_OICR_GRST_M) { 121871d10453SEric Joyner u32 reset; 121971d10453SEric Joyner 122071d10453SEric Joyner reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 122171d10453SEric Joyner GLGEN_RSTAT_RESET_TYPE_S; 122271d10453SEric Joyner 122371d10453SEric Joyner if (reset == ICE_RESET_CORER) 122471d10453SEric Joyner sc->soft_stats.corer_count++; 122571d10453SEric Joyner else if (reset == ICE_RESET_GLOBR) 122671d10453SEric Joyner sc->soft_stats.globr_count++; 122771d10453SEric Joyner else 122871d10453SEric Joyner sc->soft_stats.empr_count++; 122971d10453SEric Joyner 123071d10453SEric Joyner /* There are a couple of bits at play for handling resets. 123171d10453SEric Joyner * First, the ICE_STATE_RESET_OICR_RECV bit is used to 123271d10453SEric Joyner * indicate that the driver has received an OICR with a reset 123371d10453SEric Joyner * bit active, indicating that a CORER/GLOBR/EMPR is about to 123471d10453SEric Joyner * happen. Second, we set hw->reset_ongoing to indicate that 123571d10453SEric Joyner * the hardware is in reset. We will set this back to false as 123671d10453SEric Joyner * soon as the driver has determined that the hardware is out 123771d10453SEric Joyner * of reset. 123871d10453SEric Joyner * 123971d10453SEric Joyner * If the driver wishes to trigger a reqest, it can set one of 124071d10453SEric Joyner * the ICE_STATE_RESET_*_REQ bits, which will trigger the 124171d10453SEric Joyner * correct type of reset. 124271d10453SEric Joyner */ 124371d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 124471d10453SEric Joyner hw->reset_ongoing = true; 124571d10453SEric Joyner } 124671d10453SEric Joyner 124771d10453SEric Joyner if (oicr & PFINT_OICR_ECC_ERR_M) { 124871d10453SEric Joyner device_printf(dev, "ECC Error detected!\n"); 124971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 125071d10453SEric Joyner } 125171d10453SEric Joyner 125271d10453SEric Joyner if (oicr & PFINT_OICR_PE_CRITERR_M) { 125371d10453SEric Joyner device_printf(dev, "Critical Protocol Engine Error detected!\n"); 125471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 125571d10453SEric Joyner } 125671d10453SEric Joyner 125771d10453SEric Joyner if (oicr & PFINT_OICR_PCI_EXCEPTION_M) { 125871d10453SEric Joyner device_printf(dev, "PCI Exception detected!\n"); 125971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 126071d10453SEric Joyner } 126171d10453SEric Joyner 126271d10453SEric Joyner if (oicr & PFINT_OICR_HMC_ERR_M) { 126371d10453SEric Joyner /* Log the HMC errors, but don't disable the interrupt cause */ 126471d10453SEric Joyner ice_log_hmc_error(hw, dev); 126571d10453SEric Joyner } 126671d10453SEric Joyner 126771d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 126871d10453SEric Joyner } 126971d10453SEric Joyner 127071d10453SEric Joyner /** 127171d10453SEric Joyner * ice_allocate_msix - Allocate MSI-X vectors for the interface 127271d10453SEric Joyner * @sc: the device private softc 127371d10453SEric Joyner * 127471d10453SEric Joyner * Map the MSI-X bar, and then request MSI-X vectors in a two-stage process. 127571d10453SEric Joyner * 127671d10453SEric Joyner * First, determine a suitable total number of vectors based on the number 127771d10453SEric Joyner * of CPUs, RSS buckets, the administrative vector, and other demands such as 127871d10453SEric Joyner * RDMA. 127971d10453SEric Joyner * 128071d10453SEric Joyner * Request the desired amount of vectors, and see how many we obtain. If we 128171d10453SEric Joyner * don't obtain as many as desired, reduce the demands by lowering the number 128271d10453SEric Joyner * of requested queues or reducing the demand from other features such as 128371d10453SEric Joyner * RDMA. 128471d10453SEric Joyner * 128571d10453SEric Joyner * @remark This function is required because the driver sets the 128671d10453SEric Joyner * IFLIB_SKIP_MSIX flag indicating that the driver will manage MSI-X vectors 128771d10453SEric Joyner * manually. 128871d10453SEric Joyner * 128971d10453SEric Joyner * @remark This driver will only use MSI-X vectors. If this is not possible, 129071d10453SEric Joyner * neither MSI or legacy interrupts will be tried. 129171d10453SEric Joyner * 129271d10453SEric Joyner * @post on success this function must set the following scctx parameters: 129371d10453SEric Joyner * isc_vectors, isc_nrxqsets, isc_ntxqsets, and isc_intr. 129471d10453SEric Joyner * 129571d10453SEric Joyner * @returns zero on success or an error code on failure. 129671d10453SEric Joyner */ 129771d10453SEric Joyner static int 129871d10453SEric Joyner ice_allocate_msix(struct ice_softc *sc) 129971d10453SEric Joyner { 130071d10453SEric Joyner bool iflib_override_queue_count = false; 130171d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 130271d10453SEric Joyner device_t dev = sc->dev; 130371d10453SEric Joyner cpuset_t cpus; 130471d10453SEric Joyner int bar, queues, vectors, requested; 130571d10453SEric Joyner int err = 0; 130671d10453SEric Joyner 130771d10453SEric Joyner /* Allocate the MSI-X bar */ 130871d10453SEric Joyner bar = scctx->isc_msix_bar; 130971d10453SEric Joyner sc->msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &bar, RF_ACTIVE); 131071d10453SEric Joyner if (!sc->msix_table) { 131171d10453SEric Joyner device_printf(dev, "Unable to map MSI-X table\n"); 131271d10453SEric Joyner return (ENOMEM); 131371d10453SEric Joyner } 131471d10453SEric Joyner 131571d10453SEric Joyner /* Check if the iflib queue count sysctls have been set */ 131671d10453SEric Joyner if (sc->ifc_sysctl_ntxqs || sc->ifc_sysctl_nrxqs) 131771d10453SEric Joyner iflib_override_queue_count = true; 131871d10453SEric Joyner 131971d10453SEric Joyner err = bus_get_cpus(dev, INTR_CPUS, sizeof(cpus), &cpus); 132071d10453SEric Joyner if (err) { 132171d10453SEric Joyner device_printf(dev, "%s: Unable to fetch the CPU list: %s\n", 132271d10453SEric Joyner __func__, ice_err_str(err)); 132371d10453SEric Joyner CPU_COPY(&all_cpus, &cpus); 132471d10453SEric Joyner } 132571d10453SEric Joyner 132671d10453SEric Joyner /* Attempt to mimic behavior of iflib_msix_init */ 132771d10453SEric Joyner if (iflib_override_queue_count) { 132871d10453SEric Joyner /* 132971d10453SEric Joyner * If the override sysctls have been set, limit the queues to 133071d10453SEric Joyner * the number of logical CPUs. 133171d10453SEric Joyner */ 133271d10453SEric Joyner queues = mp_ncpus; 133371d10453SEric Joyner } else { 133471d10453SEric Joyner /* 133571d10453SEric Joyner * Otherwise, limit the queue count to the CPUs associated 133671d10453SEric Joyner * with the NUMA node the device is associated with. 133771d10453SEric Joyner */ 133871d10453SEric Joyner queues = CPU_COUNT(&cpus); 133971d10453SEric Joyner } 134071d10453SEric Joyner 134171d10453SEric Joyner /* Clamp to the number of RSS buckets */ 134271d10453SEric Joyner queues = imin(queues, rss_getnumbuckets()); 134371d10453SEric Joyner 134471d10453SEric Joyner /* 134571d10453SEric Joyner * Clamp the number of queue pairs to the minimum of the requested Tx 134671d10453SEric Joyner * and Rx queues. 134771d10453SEric Joyner */ 134871d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_ntxqs ?: scctx->isc_ntxqsets); 134971d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_nrxqs ?: scctx->isc_nrxqsets); 135071d10453SEric Joyner 135171d10453SEric Joyner /* 135271d10453SEric Joyner * Determine the number of vectors to request. Note that we also need 135371d10453SEric Joyner * to allocate one vector for administrative tasks. 135471d10453SEric Joyner */ 135571d10453SEric Joyner requested = queues + 1; 135671d10453SEric Joyner 135771d10453SEric Joyner vectors = requested; 135871d10453SEric Joyner 135971d10453SEric Joyner err = pci_alloc_msix(dev, &vectors); 136071d10453SEric Joyner if (err) { 136171d10453SEric Joyner device_printf(dev, "Failed to allocate %d MSI-X vectors, err %s\n", 136271d10453SEric Joyner vectors, ice_err_str(err)); 136371d10453SEric Joyner goto err_free_msix_table; 136471d10453SEric Joyner } 136571d10453SEric Joyner 136671d10453SEric Joyner /* If we don't receive enough vectors, reduce demands */ 136771d10453SEric Joyner if (vectors < requested) { 136871d10453SEric Joyner int diff = requested - vectors; 136971d10453SEric Joyner 137071d10453SEric Joyner device_printf(dev, "Requested %d MSI-X vectors, but got only %d\n", 137171d10453SEric Joyner requested, vectors); 137271d10453SEric Joyner 137371d10453SEric Joyner /* 137471d10453SEric Joyner * If we still have a difference, we need to reduce the number 137571d10453SEric Joyner * of queue pairs. 137671d10453SEric Joyner * 137771d10453SEric Joyner * However, we still need at least one vector for the admin 137871d10453SEric Joyner * interrupt and one queue pair. 137971d10453SEric Joyner */ 138071d10453SEric Joyner if (queues <= diff) { 138171d10453SEric Joyner device_printf(dev, "Unable to allocate sufficient MSI-X vectors\n"); 138271d10453SEric Joyner err = (ERANGE); 138371d10453SEric Joyner goto err_pci_release_msi; 138471d10453SEric Joyner } 138571d10453SEric Joyner 138671d10453SEric Joyner queues -= diff; 138771d10453SEric Joyner } 138871d10453SEric Joyner 138971d10453SEric Joyner device_printf(dev, "Using %d Tx and Rx queues\n", queues); 139071d10453SEric Joyner device_printf(dev, "Using MSI-X interrupts with %d vectors\n", 139171d10453SEric Joyner vectors); 139271d10453SEric Joyner 139371d10453SEric Joyner scctx->isc_vectors = vectors; 139471d10453SEric Joyner scctx->isc_nrxqsets = queues; 139571d10453SEric Joyner scctx->isc_ntxqsets = queues; 139671d10453SEric Joyner scctx->isc_intr = IFLIB_INTR_MSIX; 139771d10453SEric Joyner 139871d10453SEric Joyner /* Interrupt allocation tracking isn't required in recovery mode, 139971d10453SEric Joyner * since neither RDMA nor VFs are enabled. 140071d10453SEric Joyner */ 140171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 140271d10453SEric Joyner return (0); 140371d10453SEric Joyner 140471d10453SEric Joyner /* Keep track of which interrupt indices are being used for what */ 140571d10453SEric Joyner sc->lan_vectors = vectors; 140671d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->imgr, sc->pf_imap, sc->lan_vectors); 140771d10453SEric Joyner if (err) { 140871d10453SEric Joyner device_printf(dev, "Unable to assign PF interrupt mapping: %s\n", 140971d10453SEric Joyner ice_err_str(err)); 141071d10453SEric Joyner goto err_pci_release_msi; 141171d10453SEric Joyner } 141271d10453SEric Joyner 141371d10453SEric Joyner return (0); 141471d10453SEric Joyner 141571d10453SEric Joyner err_pci_release_msi: 141671d10453SEric Joyner pci_release_msi(dev); 141771d10453SEric Joyner err_free_msix_table: 141871d10453SEric Joyner if (sc->msix_table != NULL) { 141971d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 142071d10453SEric Joyner rman_get_rid(sc->msix_table), 142171d10453SEric Joyner sc->msix_table); 142271d10453SEric Joyner sc->msix_table = NULL; 142371d10453SEric Joyner } 142471d10453SEric Joyner 142571d10453SEric Joyner return (err); 142671d10453SEric Joyner } 142771d10453SEric Joyner 142871d10453SEric Joyner /** 142971d10453SEric Joyner * ice_if_msix_intr_assign - Assign MSI-X interrupt vectors to queues 143071d10453SEric Joyner * @ctx: the iflib context structure 143171d10453SEric Joyner * @msix: the number of vectors we were assigned 143271d10453SEric Joyner * 143371d10453SEric Joyner * Called by iflib to assign MSI-X vectors to queues. Currently requires that 143471d10453SEric Joyner * we get at least the same number of vectors as we have queues, and that we 143571d10453SEric Joyner * always have the same number of Tx and Rx queues. 143671d10453SEric Joyner * 143771d10453SEric Joyner * Tx queues use a softirq instead of using their own hardware interrupt. 143871d10453SEric Joyner */ 143971d10453SEric Joyner static int 144071d10453SEric Joyner ice_if_msix_intr_assign(if_ctx_t ctx, int msix) 144171d10453SEric Joyner { 144271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 144371d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 144471d10453SEric Joyner int err, i, vector; 144571d10453SEric Joyner 144671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 144771d10453SEric Joyner 144871d10453SEric Joyner if (vsi->num_rx_queues != vsi->num_tx_queues) { 144971d10453SEric Joyner device_printf(sc->dev, 145071d10453SEric 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", 145171d10453SEric Joyner vsi->num_tx_queues, vsi->num_rx_queues); 145271d10453SEric Joyner return (EOPNOTSUPP); 145371d10453SEric Joyner } 145471d10453SEric Joyner 145571d10453SEric Joyner if (msix < (vsi->num_rx_queues + 1)) { 145671d10453SEric Joyner device_printf(sc->dev, 145771d10453SEric Joyner "Not enough MSI-X vectors to assign one vector to each queue pair\n"); 145871d10453SEric Joyner return (EOPNOTSUPP); 145971d10453SEric Joyner } 146071d10453SEric Joyner 146171d10453SEric Joyner /* Save the number of vectors for future use */ 146271d10453SEric Joyner sc->num_irq_vectors = vsi->num_rx_queues + 1; 146371d10453SEric Joyner 146471d10453SEric Joyner /* Allocate space to store the IRQ vector data */ 146571d10453SEric Joyner if (!(sc->irqvs = 146671d10453SEric Joyner (struct ice_irq_vector *) malloc(sizeof(struct ice_irq_vector) * (sc->num_irq_vectors), 146771d10453SEric Joyner M_ICE, M_NOWAIT))) { 146871d10453SEric Joyner device_printf(sc->dev, 146971d10453SEric Joyner "Unable to allocate irqv memory\n"); 147071d10453SEric Joyner return (ENOMEM); 147171d10453SEric Joyner } 147271d10453SEric Joyner 147371d10453SEric Joyner /* Administrative interrupt events will use vector 0 */ 147471d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[0].irq, 1, IFLIB_INTR_ADMIN, 147571d10453SEric Joyner ice_msix_admin, sc, 0, "admin"); 147671d10453SEric Joyner if (err) { 147771d10453SEric Joyner device_printf(sc->dev, 147871d10453SEric Joyner "Failed to register Admin queue handler: %s\n", 147971d10453SEric Joyner ice_err_str(err)); 148071d10453SEric Joyner goto free_irqvs; 148171d10453SEric Joyner } 148271d10453SEric Joyner sc->irqvs[0].me = 0; 148371d10453SEric Joyner 148471d10453SEric Joyner /* Do not allocate queue interrupts when in recovery mode */ 148571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 148671d10453SEric Joyner return (0); 148771d10453SEric Joyner 148871d10453SEric Joyner for (i = 0, vector = 1; i < vsi->num_rx_queues; i++, vector++) { 148971d10453SEric Joyner struct ice_rx_queue *rxq = &vsi->rx_queues[i]; 149071d10453SEric Joyner struct ice_tx_queue *txq = &vsi->tx_queues[i]; 149171d10453SEric Joyner int rid = vector + 1; 149271d10453SEric Joyner char irq_name[16]; 149371d10453SEric Joyner 149471d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "rxq%d", i); 149571d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[vector].irq, rid, 149671d10453SEric Joyner IFLIB_INTR_RX, ice_msix_que, 149771d10453SEric Joyner rxq, rxq->me, irq_name); 149871d10453SEric Joyner if (err) { 149971d10453SEric Joyner device_printf(sc->dev, 150071d10453SEric Joyner "Failed to allocate q int %d err: %s\n", 150171d10453SEric Joyner i, ice_err_str(err)); 150271d10453SEric Joyner vector--; 150371d10453SEric Joyner i--; 150471d10453SEric Joyner goto fail; 150571d10453SEric Joyner } 150671d10453SEric Joyner sc->irqvs[vector].me = vector; 150771d10453SEric Joyner rxq->irqv = &sc->irqvs[vector]; 150871d10453SEric Joyner 150971d10453SEric Joyner bzero(irq_name, sizeof(irq_name)); 151071d10453SEric Joyner 151171d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "txq%d", i); 151271d10453SEric Joyner iflib_softirq_alloc_generic(ctx, &sc->irqvs[vector].irq, 151371d10453SEric Joyner IFLIB_INTR_TX, txq, 151471d10453SEric Joyner txq->me, irq_name); 151571d10453SEric Joyner txq->irqv = &sc->irqvs[vector]; 151671d10453SEric Joyner } 151771d10453SEric Joyner 151871d10453SEric Joyner return (0); 151971d10453SEric Joyner fail: 152071d10453SEric Joyner for (; i >= 0; i--, vector--) 152171d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[vector].irq); 152271d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[0].irq); 152371d10453SEric Joyner free_irqvs: 152471d10453SEric Joyner free(sc->irqvs, M_ICE); 152571d10453SEric Joyner sc->irqvs = NULL; 152671d10453SEric Joyner return err; 152771d10453SEric Joyner } 152871d10453SEric Joyner 152971d10453SEric Joyner /** 153071d10453SEric Joyner * ice_if_mtu_set - Set the device MTU 153171d10453SEric Joyner * @ctx: iflib context structure 153271d10453SEric Joyner * @mtu: the MTU requested 153371d10453SEric Joyner * 153471d10453SEric Joyner * Called by iflib to configure the device's Maximum Transmission Unit (MTU). 153571d10453SEric Joyner * 153671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 153771d10453SEric Joyner */ 153871d10453SEric Joyner static int 153971d10453SEric Joyner ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 154071d10453SEric Joyner { 154171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 154271d10453SEric Joyner 154371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 154471d10453SEric Joyner 154571d10453SEric Joyner /* Do not support configuration when in recovery mode */ 154671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 154771d10453SEric Joyner return (ENOSYS); 154871d10453SEric Joyner 154971d10453SEric Joyner if (mtu < ICE_MIN_MTU || mtu > ICE_MAX_MTU) 155071d10453SEric Joyner return (EINVAL); 155171d10453SEric Joyner 155271d10453SEric Joyner sc->scctx->isc_max_frame_size = mtu + 155371d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 155471d10453SEric Joyner 155571d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 155671d10453SEric Joyner 155771d10453SEric Joyner return (0); 155871d10453SEric Joyner } 155971d10453SEric Joyner 156071d10453SEric Joyner /** 156171d10453SEric Joyner * ice_if_intr_enable - Enable device interrupts 156271d10453SEric Joyner * @ctx: iflib context structure 156371d10453SEric Joyner * 156471d10453SEric Joyner * Called by iflib to request enabling device interrupts. 156571d10453SEric Joyner */ 156671d10453SEric Joyner static void 156771d10453SEric Joyner ice_if_intr_enable(if_ctx_t ctx) 156871d10453SEric Joyner { 156971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 157071d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 157171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 157271d10453SEric Joyner 157371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 157471d10453SEric Joyner 157571d10453SEric Joyner /* Enable ITR 0 */ 157671d10453SEric Joyner ice_enable_intr(hw, sc->irqvs[0].me); 157771d10453SEric Joyner 157871d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 157971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 158071d10453SEric Joyner return; 158171d10453SEric Joyner 158271d10453SEric Joyner /* Enable all queue interrupts */ 158371d10453SEric Joyner for (int i = 0; i < vsi->num_rx_queues; i++) 158471d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[i].irqv->me); 158571d10453SEric Joyner } 158671d10453SEric Joyner 158771d10453SEric Joyner /** 158871d10453SEric Joyner * ice_if_intr_disable - Disable device interrupts 158971d10453SEric Joyner * @ctx: iflib context structure 159071d10453SEric Joyner * 159171d10453SEric Joyner * Called by iflib to request disabling device interrupts. 159271d10453SEric Joyner */ 159371d10453SEric Joyner static void 159471d10453SEric Joyner ice_if_intr_disable(if_ctx_t ctx) 159571d10453SEric Joyner { 159671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 159771d10453SEric Joyner struct ice_hw *hw = &sc->hw; 159871d10453SEric Joyner unsigned int i; 159971d10453SEric Joyner 160071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 160171d10453SEric Joyner 160271d10453SEric Joyner /* IFDI_INTR_DISABLE may be called prior to interrupts actually being 160371d10453SEric Joyner * assigned to queues. Instead of assuming that the interrupt 160471d10453SEric Joyner * assignment in the rx_queues structure is valid, just disable all 160571d10453SEric Joyner * possible interrupts 160671d10453SEric Joyner * 160771d10453SEric Joyner * Note that we choose not to disable ITR 0 because this handles the 160871d10453SEric Joyner * AdminQ interrupts, and we want to keep processing these even when 160971d10453SEric Joyner * the interface is offline. 161071d10453SEric Joyner */ 161171d10453SEric Joyner for (i = 1; i < hw->func_caps.common_cap.num_msix_vectors; i++) 161271d10453SEric Joyner ice_disable_intr(hw, i); 161371d10453SEric Joyner } 161471d10453SEric Joyner 161571d10453SEric Joyner /** 161671d10453SEric Joyner * ice_if_rx_queue_intr_enable - Enable a specific Rx queue interrupt 161771d10453SEric Joyner * @ctx: iflib context structure 161871d10453SEric Joyner * @rxqid: the Rx queue to enable 161971d10453SEric Joyner * 162071d10453SEric Joyner * Enable a specific Rx queue interrupt. 162171d10453SEric Joyner * 162271d10453SEric Joyner * This function is not protected by the iflib CTX lock. 162371d10453SEric Joyner */ 162471d10453SEric Joyner static int 162571d10453SEric Joyner ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 162671d10453SEric Joyner { 162771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 162871d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 162971d10453SEric Joyner struct ice_hw *hw = &sc->hw; 163071d10453SEric Joyner 163171d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 163271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 163371d10453SEric Joyner return (ENOSYS); 163471d10453SEric Joyner 163571d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[rxqid].irqv->me); 163671d10453SEric Joyner return (0); 163771d10453SEric Joyner } 163871d10453SEric Joyner 163971d10453SEric Joyner /** 164071d10453SEric Joyner * ice_if_tx_queue_intr_enable - Enable a specific Tx queue interrupt 164171d10453SEric Joyner * @ctx: iflib context structure 164271d10453SEric Joyner * @txqid: the Tx queue to enable 164371d10453SEric Joyner * 164471d10453SEric Joyner * Enable a specific Tx queue interrupt. 164571d10453SEric Joyner * 164671d10453SEric Joyner * This function is not protected by the iflib CTX lock. 164771d10453SEric Joyner */ 164871d10453SEric Joyner static int 164971d10453SEric Joyner ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 165071d10453SEric Joyner { 165171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 165271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 165371d10453SEric Joyner struct ice_hw *hw = &sc->hw; 165471d10453SEric Joyner 165571d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 165671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 165771d10453SEric Joyner return (ENOSYS); 165871d10453SEric Joyner 165971d10453SEric Joyner ice_enable_intr(hw, vsi->tx_queues[txqid].irqv->me); 166071d10453SEric Joyner return (0); 166171d10453SEric Joyner } 166271d10453SEric Joyner 166371d10453SEric Joyner /** 166471d10453SEric Joyner * ice_if_promisc_set - Set device promiscuous mode 166571d10453SEric Joyner * @ctx: iflib context structure 166671d10453SEric Joyner * @flags: promiscuous flags to configure 166771d10453SEric Joyner * 166871d10453SEric Joyner * Called by iflib to configure device promiscuous mode. 166971d10453SEric Joyner * 167071d10453SEric Joyner * @remark Calls to this function will always overwrite the previous setting 167171d10453SEric Joyner */ 167271d10453SEric Joyner static int 167371d10453SEric Joyner ice_if_promisc_set(if_ctx_t ctx, int flags) 167471d10453SEric Joyner { 167571d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 167671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 167771d10453SEric Joyner device_t dev = sc->dev; 167871d10453SEric Joyner enum ice_status status; 167971d10453SEric Joyner bool promisc_enable = flags & IFF_PROMISC; 168071d10453SEric Joyner bool multi_enable = flags & IFF_ALLMULTI; 168171d10453SEric Joyner 168271d10453SEric Joyner /* Do not support configuration when in recovery mode */ 168371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 168471d10453SEric Joyner return (ENOSYS); 168571d10453SEric Joyner 168671d10453SEric Joyner if (multi_enable) 168771d10453SEric Joyner return (EOPNOTSUPP); 168871d10453SEric Joyner 168971d10453SEric Joyner if (promisc_enable) { 169071d10453SEric Joyner status = ice_set_vsi_promisc(hw, sc->pf_vsi.idx, 169171d10453SEric Joyner ICE_VSI_PROMISC_MASK, 0); 169271d10453SEric Joyner if (status && status != ICE_ERR_ALREADY_EXISTS) { 169371d10453SEric Joyner device_printf(dev, 169471d10453SEric Joyner "Failed to enable promiscuous mode for PF VSI, err %s aq_err %s\n", 169571d10453SEric Joyner ice_status_str(status), 169671d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 169771d10453SEric Joyner return (EIO); 169871d10453SEric Joyner } 169971d10453SEric Joyner } else { 170071d10453SEric Joyner status = ice_clear_vsi_promisc(hw, sc->pf_vsi.idx, 170171d10453SEric Joyner ICE_VSI_PROMISC_MASK, 0); 170271d10453SEric Joyner if (status) { 170371d10453SEric Joyner device_printf(dev, 170471d10453SEric Joyner "Failed to disable promiscuous mode for PF VSI, err %s aq_err %s\n", 170571d10453SEric Joyner ice_status_str(status), 170671d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 170771d10453SEric Joyner return (EIO); 170871d10453SEric Joyner } 170971d10453SEric Joyner } 171071d10453SEric Joyner 171171d10453SEric Joyner return (0); 171271d10453SEric Joyner } 171371d10453SEric Joyner 171471d10453SEric Joyner /** 171571d10453SEric Joyner * ice_if_media_change - Change device media 171671d10453SEric Joyner * @ctx: device ctx structure 171771d10453SEric Joyner * 171871d10453SEric Joyner * Called by iflib when a media change is requested. This operation is not 171971d10453SEric Joyner * supported by the hardware, so we just return an error code. 172071d10453SEric Joyner */ 172171d10453SEric Joyner static int 172271d10453SEric Joyner ice_if_media_change(if_ctx_t ctx) 172371d10453SEric Joyner { 172471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 172571d10453SEric Joyner 172671d10453SEric Joyner device_printf(sc->dev, "Media change is not supported.\n"); 172771d10453SEric Joyner return (ENODEV); 172871d10453SEric Joyner } 172971d10453SEric Joyner 173071d10453SEric Joyner /** 173171d10453SEric Joyner * ice_if_media_status - Report current device media 173271d10453SEric Joyner * @ctx: iflib context structure 173371d10453SEric Joyner * @ifmr: ifmedia request structure to update 173471d10453SEric Joyner * 173571d10453SEric Joyner * Updates the provided ifmr with current device media status, including link 173671d10453SEric Joyner * status and media type. 173771d10453SEric Joyner */ 173871d10453SEric Joyner static void 173971d10453SEric Joyner ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr) 174071d10453SEric Joyner { 174171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 174271d10453SEric Joyner struct ice_link_status *li = &sc->hw.port_info->phy.link_info; 174371d10453SEric Joyner 174471d10453SEric Joyner ifmr->ifm_status = IFM_AVALID; 174571d10453SEric Joyner ifmr->ifm_active = IFM_ETHER; 174671d10453SEric Joyner 174771d10453SEric Joyner /* Never report link up or media types when in recovery mode */ 174871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 174971d10453SEric Joyner return; 175071d10453SEric Joyner 175171d10453SEric Joyner if (!sc->link_up) 175271d10453SEric Joyner return; 175371d10453SEric Joyner 175471d10453SEric Joyner ifmr->ifm_status |= IFM_ACTIVE; 175571d10453SEric Joyner ifmr->ifm_active |= IFM_FDX; 175671d10453SEric Joyner 175771d10453SEric Joyner if (li->phy_type_low) 175871d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_low(li->phy_type_low); 175971d10453SEric Joyner else if (li->phy_type_high) 176071d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_high(li->phy_type_high); 176171d10453SEric Joyner else 176271d10453SEric Joyner ifmr->ifm_active |= IFM_UNKNOWN; 176371d10453SEric Joyner 176471d10453SEric Joyner /* Report flow control status as well */ 176571d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_TX) 176671d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_TXPAUSE; 176771d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_RX) 176871d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_RXPAUSE; 176971d10453SEric Joyner } 177071d10453SEric Joyner 177171d10453SEric Joyner /** 177271d10453SEric Joyner * ice_init_tx_tracking - Initialize Tx queue software tracking values 177371d10453SEric Joyner * @vsi: the VSI to initialize 177471d10453SEric Joyner * 177571d10453SEric Joyner * Initialize Tx queue software tracking values, including the Report Status 177671d10453SEric Joyner * queue, and related software tracking values. 177771d10453SEric Joyner */ 177871d10453SEric Joyner static void 177971d10453SEric Joyner ice_init_tx_tracking(struct ice_vsi *vsi) 178071d10453SEric Joyner { 178171d10453SEric Joyner struct ice_tx_queue *txq; 178271d10453SEric Joyner size_t j; 178371d10453SEric Joyner int i; 178471d10453SEric Joyner 178571d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 178671d10453SEric Joyner 178771d10453SEric Joyner txq->tx_rs_cidx = txq->tx_rs_pidx = 0; 178871d10453SEric Joyner 178971d10453SEric Joyner /* Initialize the last processed descriptor to be the end of 179071d10453SEric Joyner * the ring, rather than the start, so that we avoid an 179171d10453SEric Joyner * off-by-one error in ice_ift_txd_credits_update for the 179271d10453SEric Joyner * first packet. 179371d10453SEric Joyner */ 179471d10453SEric Joyner txq->tx_cidx_processed = txq->desc_count - 1; 179571d10453SEric Joyner 179671d10453SEric Joyner for (j = 0; j < txq->desc_count; j++) 179771d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 179871d10453SEric Joyner } 179971d10453SEric Joyner } 180071d10453SEric Joyner 180171d10453SEric Joyner /** 180271d10453SEric Joyner * ice_update_rx_mbuf_sz - Update the Rx buffer size for all queues 180371d10453SEric Joyner * @sc: the device softc 180471d10453SEric Joyner * 180571d10453SEric Joyner * Called to update the Rx queue mbuf_sz parameter for configuring the receive 180671d10453SEric Joyner * buffer sizes when programming hardware. 180771d10453SEric Joyner */ 180871d10453SEric Joyner static void 180971d10453SEric Joyner ice_update_rx_mbuf_sz(struct ice_softc *sc) 181071d10453SEric Joyner { 181171d10453SEric Joyner uint32_t mbuf_sz = iflib_get_rx_mbuf_sz(sc->ctx); 181271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 181371d10453SEric Joyner 181471d10453SEric Joyner MPASS(mbuf_sz <= UINT16_MAX); 181571d10453SEric Joyner vsi->mbuf_sz = mbuf_sz; 181671d10453SEric Joyner } 181771d10453SEric Joyner 181871d10453SEric Joyner /** 181971d10453SEric Joyner * ice_if_init - Initialize the device 182071d10453SEric Joyner * @ctx: iflib ctx structure 182171d10453SEric Joyner * 182271d10453SEric Joyner * Called by iflib to bring the device up, i.e. ifconfig ice0 up. Initializes 182371d10453SEric Joyner * device filters and prepares the Tx and Rx engines. 182471d10453SEric Joyner * 182571d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 182671d10453SEric Joyner */ 182771d10453SEric Joyner static void 182871d10453SEric Joyner ice_if_init(if_ctx_t ctx) 182971d10453SEric Joyner { 183071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 183171d10453SEric Joyner device_t dev = sc->dev; 183271d10453SEric Joyner int err; 183371d10453SEric Joyner 183471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 183571d10453SEric Joyner 1836*7d7af7f8SEric Joyner /* 1837*7d7af7f8SEric Joyner * We've seen an issue with 11.3/12.1 where sideband routines are 1838*7d7af7f8SEric Joyner * called after detach is called. This would call routines after 1839*7d7af7f8SEric Joyner * if_stop, causing issues with the teardown process. This has 1840*7d7af7f8SEric Joyner * seemingly been fixed in STABLE snapshots, but it seems like a 1841*7d7af7f8SEric Joyner * good idea to have this guard here regardless. 1842*7d7af7f8SEric Joyner */ 1843*7d7af7f8SEric Joyner if (ice_driver_is_detaching(sc)) 1844*7d7af7f8SEric Joyner return; 1845*7d7af7f8SEric Joyner 184671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 184771d10453SEric Joyner return; 184871d10453SEric Joyner 184971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 185071d10453SEric Joyner device_printf(sc->dev, "request to start interface cannot be completed as the device failed to reset\n"); 185171d10453SEric Joyner return; 185271d10453SEric Joyner } 185371d10453SEric Joyner 185471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 185571d10453SEric Joyner device_printf(sc->dev, "request to start interface while device is prepared for impending reset\n"); 185671d10453SEric Joyner return; 185771d10453SEric Joyner } 185871d10453SEric Joyner 185971d10453SEric Joyner ice_update_rx_mbuf_sz(sc); 186071d10453SEric Joyner 186171d10453SEric Joyner /* Update the MAC address... User might use a LAA */ 186271d10453SEric Joyner err = ice_update_laa_mac(sc); 186371d10453SEric Joyner if (err) { 186471d10453SEric Joyner device_printf(dev, 186571d10453SEric Joyner "LAA address change failed, err %s\n", 186671d10453SEric Joyner ice_err_str(err)); 186771d10453SEric Joyner return; 186871d10453SEric Joyner } 186971d10453SEric Joyner 187071d10453SEric Joyner /* Initialize software Tx tracking values */ 187171d10453SEric Joyner ice_init_tx_tracking(&sc->pf_vsi); 187271d10453SEric Joyner 187371d10453SEric Joyner err = ice_cfg_vsi_for_tx(&sc->pf_vsi); 187471d10453SEric Joyner if (err) { 187571d10453SEric Joyner device_printf(dev, 187671d10453SEric Joyner "Unable to configure the main VSI for Tx: %s\n", 187771d10453SEric Joyner ice_err_str(err)); 187871d10453SEric Joyner return; 187971d10453SEric Joyner } 188071d10453SEric Joyner 188171d10453SEric Joyner err = ice_cfg_vsi_for_rx(&sc->pf_vsi); 188271d10453SEric Joyner if (err) { 188371d10453SEric Joyner device_printf(dev, 188471d10453SEric Joyner "Unable to configure the main VSI for Rx: %s\n", 188571d10453SEric Joyner ice_err_str(err)); 188671d10453SEric Joyner goto err_cleanup_tx; 188771d10453SEric Joyner } 188871d10453SEric Joyner 188971d10453SEric Joyner err = ice_control_rx_queues(&sc->pf_vsi, true); 189071d10453SEric Joyner if (err) { 189171d10453SEric Joyner device_printf(dev, 189271d10453SEric Joyner "Unable to enable Rx rings for transmit: %s\n", 189371d10453SEric Joyner ice_err_str(err)); 189471d10453SEric Joyner goto err_cleanup_tx; 189571d10453SEric Joyner } 189671d10453SEric Joyner 189771d10453SEric Joyner err = ice_cfg_pf_default_mac_filters(sc); 189871d10453SEric Joyner if (err) { 189971d10453SEric Joyner device_printf(dev, 190071d10453SEric Joyner "Unable to configure default MAC filters: %s\n", 190171d10453SEric Joyner ice_err_str(err)); 190271d10453SEric Joyner goto err_stop_rx; 190371d10453SEric Joyner } 190471d10453SEric Joyner 190571d10453SEric Joyner /* We use software interrupts for Tx, so we only program the hardware 190671d10453SEric Joyner * interrupts for Rx. 190771d10453SEric Joyner */ 190871d10453SEric Joyner ice_configure_rxq_interrupts(&sc->pf_vsi); 190971d10453SEric Joyner ice_configure_rx_itr(&sc->pf_vsi); 191071d10453SEric Joyner 191171d10453SEric Joyner /* Configure promiscuous mode */ 191271d10453SEric Joyner ice_if_promisc_set(ctx, if_getflags(sc->ifp)); 191371d10453SEric Joyner 191471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED); 191571d10453SEric Joyner return; 191671d10453SEric Joyner 191771d10453SEric Joyner err_stop_rx: 191871d10453SEric Joyner ice_control_rx_queues(&sc->pf_vsi, false); 191971d10453SEric Joyner err_cleanup_tx: 192071d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 192171d10453SEric Joyner } 192271d10453SEric Joyner 192371d10453SEric Joyner /** 192471d10453SEric Joyner * ice_poll_for_media_avail - Re-enable link if media is detected 192571d10453SEric Joyner * @sc: device private structure 192671d10453SEric Joyner * 192771d10453SEric Joyner * Intended to be called from the driver's timer function, this function 192871d10453SEric Joyner * sends the Get Link Status AQ command and re-enables HW link if the 192971d10453SEric Joyner * command says that media is available. 193071d10453SEric Joyner * 193171d10453SEric Joyner * If the driver doesn't have the "NO_MEDIA" state set, then this does nothing, 193271d10453SEric Joyner * since media removal events are supposed to be sent to the driver through 193371d10453SEric Joyner * a link status event. 193471d10453SEric Joyner */ 193571d10453SEric Joyner static void 193671d10453SEric Joyner ice_poll_for_media_avail(struct ice_softc *sc) 193771d10453SEric Joyner { 193871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 193971d10453SEric Joyner struct ice_port_info *pi = hw->port_info; 194071d10453SEric Joyner 194171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) { 194271d10453SEric Joyner pi->phy.get_link_info = true; 194371d10453SEric Joyner ice_get_link_status(pi, &sc->link_up); 194471d10453SEric Joyner 194571d10453SEric Joyner if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 194671d10453SEric Joyner enum ice_status status; 194771d10453SEric Joyner 194871d10453SEric Joyner /* Re-enable link and re-apply user link settings */ 194971d10453SEric Joyner ice_apply_saved_phy_cfg(sc); 195071d10453SEric Joyner 195171d10453SEric Joyner /* Update the OS about changes in media capability */ 195271d10453SEric Joyner status = ice_add_media_types(sc, sc->media); 195371d10453SEric Joyner if (status) 195471d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 195571d10453SEric Joyner ice_status_str(status), 195671d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 195771d10453SEric Joyner 195871d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_NO_MEDIA); 195971d10453SEric Joyner } 196071d10453SEric Joyner } 196171d10453SEric Joyner } 196271d10453SEric Joyner 196371d10453SEric Joyner /** 196471d10453SEric Joyner * ice_if_timer - called by iflib periodically 196571d10453SEric Joyner * @ctx: iflib ctx structure 196671d10453SEric Joyner * @qid: the queue this timer was called for 196771d10453SEric Joyner * 196871d10453SEric Joyner * This callback is triggered by iflib periodically. We use it to update the 196971d10453SEric Joyner * hw statistics. 197071d10453SEric Joyner * 197171d10453SEric Joyner * @remark this function is not protected by the iflib CTX lock. 197271d10453SEric Joyner */ 197371d10453SEric Joyner static void 197471d10453SEric Joyner ice_if_timer(if_ctx_t ctx, uint16_t qid) 197571d10453SEric Joyner { 197671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 197771d10453SEric Joyner uint64_t prev_link_xoff_rx = sc->stats.cur.link_xoff_rx; 197871d10453SEric Joyner 197971d10453SEric Joyner if (qid != 0) 198071d10453SEric Joyner return; 198171d10453SEric Joyner 198271d10453SEric Joyner /* Do not attempt to update stats when in recovery mode */ 198371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 198471d10453SEric Joyner return; 198571d10453SEric Joyner 198671d10453SEric Joyner /* Update device statistics */ 198771d10453SEric Joyner ice_update_pf_stats(sc); 198871d10453SEric Joyner 198971d10453SEric Joyner /* 199071d10453SEric Joyner * For proper watchdog management, the iflib stack needs to know if 199171d10453SEric Joyner * we've been paused during the last interval. Check if the 199271d10453SEric Joyner * link_xoff_rx stat changed, and set the isc_pause_frames, if so. 199371d10453SEric Joyner */ 199471d10453SEric Joyner if (sc->stats.cur.link_xoff_rx != prev_link_xoff_rx) 199571d10453SEric Joyner sc->scctx->isc_pause_frames = 1; 199671d10453SEric Joyner 199771d10453SEric Joyner /* Update the primary VSI stats */ 199871d10453SEric Joyner ice_update_vsi_hw_stats(&sc->pf_vsi); 199971d10453SEric Joyner } 200071d10453SEric Joyner 200171d10453SEric Joyner /** 200271d10453SEric Joyner * ice_admin_timer - called periodically to trigger the admin task 200371d10453SEric Joyner * @arg: callout(9) argument pointing to the device private softc structure 200471d10453SEric Joyner * 200571d10453SEric Joyner * Timer function used as part of a callout(9) timer that will periodically 200671d10453SEric Joyner * trigger the admin task, even when the interface is down. 200771d10453SEric Joyner * 200871d10453SEric Joyner * @remark this function is not called by iflib and is not protected by the 200971d10453SEric Joyner * iflib CTX lock. 201071d10453SEric Joyner * 201171d10453SEric Joyner * @remark because this is a callout function, it cannot sleep and should not 201271d10453SEric Joyner * attempt taking the iflib CTX lock. 201371d10453SEric Joyner */ 201471d10453SEric Joyner static void 201571d10453SEric Joyner ice_admin_timer(void *arg) 201671d10453SEric Joyner { 201771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 201871d10453SEric Joyner 201971d10453SEric Joyner /* Fire off the admin task */ 202071d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 202171d10453SEric Joyner 202271d10453SEric Joyner /* Reschedule the admin timer */ 202371d10453SEric Joyner callout_schedule(&sc->admin_timer, hz/2); 202471d10453SEric Joyner } 202571d10453SEric Joyner 202671d10453SEric Joyner /** 202771d10453SEric Joyner * ice_transition_recovery_mode - Transition to recovery mode 202871d10453SEric Joyner * @sc: the device private softc 202971d10453SEric Joyner * 203071d10453SEric Joyner * Called when the driver detects that the firmware has entered recovery mode 203171d10453SEric Joyner * at run time. 203271d10453SEric Joyner */ 203371d10453SEric Joyner static void 203471d10453SEric Joyner ice_transition_recovery_mode(struct ice_softc *sc) 203571d10453SEric Joyner { 203671d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 203771d10453SEric Joyner int i; 203871d10453SEric Joyner 203971d10453SEric 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"); 204071d10453SEric Joyner 204171d10453SEric Joyner /* Tell the stack that the link has gone down */ 204271d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 204371d10453SEric Joyner 204471d10453SEric Joyner /* Request that the device be re-initialized */ 204571d10453SEric Joyner ice_request_stack_reinit(sc); 204671d10453SEric Joyner 204771d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 204871d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 204971d10453SEric Joyner 205071d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 205171d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 205271d10453SEric Joyner 205371d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 205471d10453SEric Joyner if (sc->all_vsi[i]) 205571d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 205671d10453SEric Joyner } 205771d10453SEric Joyner sc->num_available_vsi = 0; 205871d10453SEric Joyner 205971d10453SEric Joyner if (sc->all_vsi) { 206071d10453SEric Joyner free(sc->all_vsi, M_ICE); 206171d10453SEric Joyner sc->all_vsi = NULL; 206271d10453SEric Joyner } 206371d10453SEric Joyner 206471d10453SEric Joyner /* Destroy the interrupt manager */ 206571d10453SEric Joyner ice_resmgr_destroy(&sc->imgr); 206671d10453SEric Joyner /* Destroy the queue managers */ 206771d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 206871d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 206971d10453SEric Joyner 207071d10453SEric Joyner ice_deinit_hw(&sc->hw); 207171d10453SEric Joyner } 207271d10453SEric Joyner 207371d10453SEric Joyner /** 207471d10453SEric Joyner * ice_transition_safe_mode - Transition to safe mode 207571d10453SEric Joyner * @sc: the device private softc 207671d10453SEric Joyner * 207771d10453SEric Joyner * Called when the driver attempts to reload the DDP package during a device 207871d10453SEric Joyner * reset, and the new download fails. If so, we must transition to safe mode 207971d10453SEric Joyner * at run time. 208071d10453SEric Joyner * 208171d10453SEric Joyner * @remark although safe mode normally allocates only a single queue, we can't 208271d10453SEric Joyner * change the number of queues dynamically when using iflib. Due to this, we 208371d10453SEric Joyner * do not attempt to reduce the number of queues. 208471d10453SEric Joyner */ 208571d10453SEric Joyner static void 208671d10453SEric Joyner ice_transition_safe_mode(struct ice_softc *sc) 208771d10453SEric Joyner { 208871d10453SEric Joyner /* Indicate that we are in Safe mode */ 208971d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_cap); 209071d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_en); 209171d10453SEric Joyner 209271d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 209371d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 209471d10453SEric Joyner 209571d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 209671d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_en); 209771d10453SEric Joyner } 209871d10453SEric Joyner 209971d10453SEric Joyner /** 210071d10453SEric Joyner * ice_if_update_admin_status - update admin status 210171d10453SEric Joyner * @ctx: iflib ctx structure 210271d10453SEric Joyner * 210371d10453SEric Joyner * Called by iflib to update the admin status. For our purposes, this means 210471d10453SEric Joyner * check the adminq, and update the link status. It's ultimately triggered by 210571d10453SEric Joyner * our admin interrupt, or by the ice_if_timer periodically. 210671d10453SEric Joyner * 210771d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 210871d10453SEric Joyner */ 210971d10453SEric Joyner static void 211071d10453SEric Joyner ice_if_update_admin_status(if_ctx_t ctx) 211171d10453SEric Joyner { 211271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 211371d10453SEric Joyner enum ice_fw_modes fw_mode; 211471d10453SEric Joyner bool reschedule = false; 211571d10453SEric Joyner u16 pending = 0; 211671d10453SEric Joyner 211771d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 211871d10453SEric Joyner 211971d10453SEric Joyner /* Check if the firmware entered recovery mode at run time */ 212071d10453SEric Joyner fw_mode = ice_get_fw_mode(&sc->hw); 212171d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 212271d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 212371d10453SEric Joyner /* If we just entered recovery mode, log a warning to 212471d10453SEric Joyner * the system administrator and deinit driver state 212571d10453SEric Joyner * that is no longer functional. 212671d10453SEric Joyner */ 212771d10453SEric Joyner ice_transition_recovery_mode(sc); 212871d10453SEric Joyner } 212971d10453SEric Joyner } else if (fw_mode == ICE_FW_MODE_ROLLBACK) { 213071d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_ROLLBACK_MODE)) { 213171d10453SEric Joyner /* Rollback mode isn't fatal, but we don't want to 213271d10453SEric Joyner * repeatedly post a message about it. 213371d10453SEric Joyner */ 213471d10453SEric Joyner ice_print_rollback_msg(&sc->hw); 213571d10453SEric Joyner } 213671d10453SEric Joyner } 213771d10453SEric Joyner 213871d10453SEric Joyner /* Handle global reset events */ 213971d10453SEric Joyner ice_handle_reset_event(sc); 214071d10453SEric Joyner 214171d10453SEric Joyner /* Handle PF reset requests */ 214271d10453SEric Joyner ice_handle_pf_reset_request(sc); 214371d10453SEric Joyner 214471d10453SEric Joyner /* Handle MDD events */ 214571d10453SEric Joyner ice_handle_mdd_event(sc); 214671d10453SEric Joyner 214771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED) || 214871d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET) || 214971d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 215071d10453SEric Joyner /* 215171d10453SEric Joyner * If we know the control queues are disabled, skip processing 215271d10453SEric Joyner * the control queues entirely. 215371d10453SEric Joyner */ 215471d10453SEric Joyner ; 215571d10453SEric Joyner } else if (ice_testandclear_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING)) { 215671d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_ADMIN, &pending); 215771d10453SEric Joyner if (pending > 0) 215871d10453SEric Joyner reschedule = true; 215971d10453SEric Joyner 216071d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_MAILBOX, &pending); 216171d10453SEric Joyner if (pending > 0) 216271d10453SEric Joyner reschedule = true; 216371d10453SEric Joyner } 216471d10453SEric Joyner 216571d10453SEric Joyner /* Poll for link up */ 216671d10453SEric Joyner ice_poll_for_media_avail(sc); 216771d10453SEric Joyner 216871d10453SEric Joyner /* Check and update link status */ 216971d10453SEric Joyner ice_update_link_status(sc, false); 217071d10453SEric Joyner 217171d10453SEric Joyner /* 217271d10453SEric Joyner * If there are still messages to process, we need to reschedule 217371d10453SEric Joyner * ourselves. Otherwise, we can just re-enable the interrupt. We'll be 217471d10453SEric Joyner * woken up at the next interrupt or timer event. 217571d10453SEric Joyner */ 217671d10453SEric Joyner if (reschedule) { 217771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 217871d10453SEric Joyner iflib_admin_intr_deferred(ctx); 217971d10453SEric Joyner } else { 218071d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 218171d10453SEric Joyner } 218271d10453SEric Joyner } 218371d10453SEric Joyner 218471d10453SEric Joyner /** 218571d10453SEric Joyner * ice_prepare_for_reset - Prepare device for an impending reset 218671d10453SEric Joyner * @sc: The device private softc 218771d10453SEric Joyner * 218871d10453SEric Joyner * Prepare the driver for an impending reset, shutting down VSIs, clearing the 218971d10453SEric Joyner * scheduler setup, and shutting down controlqs. Uses the 219071d10453SEric Joyner * ICE_STATE_PREPARED_FOR_RESET to indicate whether we've already prepared the 219171d10453SEric Joyner * driver for reset or not. 219271d10453SEric Joyner */ 219371d10453SEric Joyner static void 219471d10453SEric Joyner ice_prepare_for_reset(struct ice_softc *sc) 219571d10453SEric Joyner { 219671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 219771d10453SEric Joyner 219871d10453SEric Joyner /* If we're already prepared, there's nothing to do */ 219971d10453SEric Joyner if (ice_testandset_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) 220071d10453SEric Joyner return; 220171d10453SEric Joyner 220271d10453SEric Joyner log(LOG_INFO, "%s: preparing to reset device logic\n", sc->ifp->if_xname); 220371d10453SEric Joyner 220471d10453SEric Joyner /* In recovery mode, hardware is not initialized */ 220571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 220671d10453SEric Joyner return; 220771d10453SEric Joyner 220871d10453SEric Joyner /* Release the main PF VSI queue mappings */ 220971d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 221071d10453SEric Joyner sc->pf_vsi.num_tx_queues); 221171d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 221271d10453SEric Joyner sc->pf_vsi.num_rx_queues); 221371d10453SEric Joyner 221471d10453SEric Joyner ice_clear_hw_tbls(hw); 221571d10453SEric Joyner 221671d10453SEric Joyner if (hw->port_info) 221771d10453SEric Joyner ice_sched_clear_port(hw->port_info); 221871d10453SEric Joyner 221971d10453SEric Joyner ice_shutdown_all_ctrlq(hw); 222071d10453SEric Joyner } 222171d10453SEric Joyner 222271d10453SEric Joyner /** 222371d10453SEric Joyner * ice_rebuild_pf_vsi_qmap - Rebuild the main PF VSI queue mapping 222471d10453SEric Joyner * @sc: the device softc pointer 222571d10453SEric Joyner * 222671d10453SEric Joyner * Loops over the Tx and Rx queues for the main PF VSI and reassigns the queue 222771d10453SEric Joyner * mapping after a reset occurred. 222871d10453SEric Joyner */ 222971d10453SEric Joyner static int 223071d10453SEric Joyner ice_rebuild_pf_vsi_qmap(struct ice_softc *sc) 223171d10453SEric Joyner { 223271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 223371d10453SEric Joyner struct ice_tx_queue *txq; 223471d10453SEric Joyner struct ice_rx_queue *rxq; 223571d10453SEric Joyner int err, i; 223671d10453SEric Joyner 223771d10453SEric Joyner /* Re-assign Tx queues from PF space to the main VSI */ 223871d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, 223971d10453SEric Joyner vsi->num_tx_queues); 224071d10453SEric Joyner if (err) { 224171d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Tx queues: %s\n", 224271d10453SEric Joyner ice_err_str(err)); 224371d10453SEric Joyner return (err); 224471d10453SEric Joyner } 224571d10453SEric Joyner 224671d10453SEric Joyner /* Re-assign Rx queues from PF space to this VSI */ 224771d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, 224871d10453SEric Joyner vsi->num_rx_queues); 224971d10453SEric Joyner if (err) { 225071d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Rx queues: %s\n", 225171d10453SEric Joyner ice_err_str(err)); 225271d10453SEric Joyner goto err_release_tx_queues; 225371d10453SEric Joyner } 225471d10453SEric Joyner 225571d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 225671d10453SEric Joyner 225771d10453SEric Joyner /* Re-assign Tx queue tail pointers */ 225871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) 225971d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 226071d10453SEric Joyner 226171d10453SEric Joyner /* Re-assign Rx queue tail pointers */ 226271d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) 226371d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 226471d10453SEric Joyner 226571d10453SEric Joyner return (0); 226671d10453SEric Joyner 226771d10453SEric Joyner err_release_tx_queues: 226871d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 226971d10453SEric Joyner sc->pf_vsi.num_tx_queues); 227071d10453SEric Joyner 227171d10453SEric Joyner return (err); 227271d10453SEric Joyner } 227371d10453SEric Joyner 227471d10453SEric Joyner /* determine if the iflib context is active */ 227571d10453SEric Joyner #define CTX_ACTIVE(ctx) ((if_getdrvflags(iflib_get_ifp(ctx)) & IFF_DRV_RUNNING)) 227671d10453SEric Joyner 227771d10453SEric Joyner /** 227871d10453SEric Joyner * ice_rebuild_recovery_mode - Rebuild driver state while in recovery mode 227971d10453SEric Joyner * @sc: The device private softc 228071d10453SEric Joyner * 228171d10453SEric Joyner * Handle a driver rebuild while in recovery mode. This will only rebuild the 228271d10453SEric Joyner * limited functionality supported while in recovery mode. 228371d10453SEric Joyner */ 228471d10453SEric Joyner static void 228571d10453SEric Joyner ice_rebuild_recovery_mode(struct ice_softc *sc) 228671d10453SEric Joyner { 228771d10453SEric Joyner device_t dev = sc->dev; 228871d10453SEric Joyner 228971d10453SEric Joyner /* enable PCIe bus master */ 229071d10453SEric Joyner pci_enable_busmaster(dev); 229171d10453SEric Joyner 229271d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 229371d10453SEric Joyner ice_configure_misc_interrupts(sc); 229471d10453SEric Joyner 229571d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 229671d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 229771d10453SEric Joyner 229871d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 229971d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 230071d10453SEric Joyner 230171d10453SEric Joyner log(LOG_INFO, "%s: device rebuild successful\n", sc->ifp->if_xname); 230271d10453SEric Joyner 230371d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 230471d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 230571d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 230671d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 230771d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 230871d10453SEric Joyner */ 230971d10453SEric Joyner ice_request_stack_reinit(sc); 231071d10453SEric Joyner 231171d10453SEric Joyner return; 231271d10453SEric Joyner } 231371d10453SEric Joyner 231471d10453SEric Joyner /** 231571d10453SEric Joyner * ice_rebuild - Rebuild driver state post reset 231671d10453SEric Joyner * @sc: The device private softc 231771d10453SEric Joyner * 231871d10453SEric Joyner * Restore driver state after a reset occurred. Restart the controlqs, setup 231971d10453SEric Joyner * the hardware port, and re-enable the VSIs. 232071d10453SEric Joyner */ 232171d10453SEric Joyner static void 232271d10453SEric Joyner ice_rebuild(struct ice_softc *sc) 232371d10453SEric Joyner { 232471d10453SEric Joyner struct ice_hw *hw = &sc->hw; 232571d10453SEric Joyner device_t dev = sc->dev; 232671d10453SEric Joyner enum ice_status status; 232771d10453SEric Joyner int err; 232871d10453SEric Joyner 232971d10453SEric Joyner sc->rebuild_ticks = ticks; 233071d10453SEric Joyner 233171d10453SEric Joyner /* If we're rebuilding, then a reset has succeeded. */ 233271d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_FAILED); 233371d10453SEric Joyner 233471d10453SEric Joyner /* 233571d10453SEric Joyner * If the firmware is in recovery mode, only restore the limited 233671d10453SEric Joyner * functionality supported by recovery mode. 233771d10453SEric Joyner */ 233871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 233971d10453SEric Joyner ice_rebuild_recovery_mode(sc); 234071d10453SEric Joyner return; 234171d10453SEric Joyner } 234271d10453SEric Joyner 234371d10453SEric Joyner /* enable PCIe bus master */ 234471d10453SEric Joyner pci_enable_busmaster(dev); 234571d10453SEric Joyner 234671d10453SEric Joyner status = ice_init_all_ctrlq(hw); 234771d10453SEric Joyner if (status) { 234871d10453SEric Joyner device_printf(dev, "failed to re-init controlqs, err %s\n", 234971d10453SEric Joyner ice_status_str(status)); 235071d10453SEric Joyner goto err_shutdown_ctrlq; 235171d10453SEric Joyner } 235271d10453SEric Joyner 235371d10453SEric Joyner /* Query the allocated resources for Tx scheduler */ 235471d10453SEric Joyner status = ice_sched_query_res_alloc(hw); 235571d10453SEric Joyner if (status) { 235671d10453SEric Joyner device_printf(dev, 235771d10453SEric Joyner "Failed to query scheduler resources, err %s aq_err %s\n", 235871d10453SEric Joyner ice_status_str(status), 235971d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 236071d10453SEric Joyner goto err_shutdown_ctrlq; 236171d10453SEric Joyner } 236271d10453SEric Joyner 236371d10453SEric Joyner err = ice_send_version(sc); 236471d10453SEric Joyner if (err) 236571d10453SEric Joyner goto err_shutdown_ctrlq; 236671d10453SEric Joyner 236771d10453SEric Joyner err = ice_init_link_events(sc); 236871d10453SEric Joyner if (err) { 236971d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 237071d10453SEric Joyner ice_err_str(err)); 237171d10453SEric Joyner goto err_shutdown_ctrlq; 237271d10453SEric Joyner } 237371d10453SEric Joyner 237471d10453SEric Joyner status = ice_clear_pf_cfg(hw); 237571d10453SEric Joyner if (status) { 237671d10453SEric Joyner device_printf(dev, "failed to clear PF configuration, err %s\n", 237771d10453SEric Joyner ice_status_str(status)); 237871d10453SEric Joyner goto err_shutdown_ctrlq; 237971d10453SEric Joyner } 238071d10453SEric Joyner 238171d10453SEric Joyner ice_clear_pxe_mode(hw); 238271d10453SEric Joyner 238371d10453SEric Joyner status = ice_get_caps(hw); 238471d10453SEric Joyner if (status) { 238571d10453SEric Joyner device_printf(dev, "failed to get capabilities, err %s\n", 238671d10453SEric Joyner ice_status_str(status)); 238771d10453SEric Joyner goto err_shutdown_ctrlq; 238871d10453SEric Joyner } 238971d10453SEric Joyner 239071d10453SEric Joyner status = ice_sched_init_port(hw->port_info); 239171d10453SEric Joyner if (status) { 239271d10453SEric Joyner device_printf(dev, "failed to initialize port, err %s\n", 239371d10453SEric Joyner ice_status_str(status)); 239471d10453SEric Joyner goto err_sched_cleanup; 239571d10453SEric Joyner } 239671d10453SEric Joyner 239771d10453SEric Joyner /* If we previously loaded the package, it needs to be reloaded now */ 239871d10453SEric Joyner if (!ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE)) { 239971d10453SEric Joyner status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 240071d10453SEric Joyner if (status) { 240171d10453SEric Joyner ice_log_pkg_init(sc, &status); 240271d10453SEric Joyner 240371d10453SEric Joyner ice_transition_safe_mode(sc); 240471d10453SEric Joyner } 240571d10453SEric Joyner } 240671d10453SEric Joyner 240771d10453SEric Joyner ice_reset_pf_stats(sc); 240871d10453SEric Joyner 240971d10453SEric Joyner err = ice_rebuild_pf_vsi_qmap(sc); 241071d10453SEric Joyner if (err) { 241171d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign main VSI queues, err %s\n", 241271d10453SEric Joyner ice_err_str(err)); 241371d10453SEric Joyner goto err_sched_cleanup; 241471d10453SEric Joyner } 241571d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 241671d10453SEric Joyner if (err) { 241771d10453SEric Joyner device_printf(sc->dev, "Unable to re-initialize Main VSI, err %s\n", 241871d10453SEric Joyner ice_err_str(err)); 241971d10453SEric Joyner goto err_release_queue_allocations; 242071d10453SEric Joyner } 242171d10453SEric Joyner 242271d10453SEric Joyner /* Replay all VSI configuration */ 242371d10453SEric Joyner err = ice_replay_all_vsi_cfg(sc); 242471d10453SEric Joyner if (err) 242571d10453SEric Joyner goto err_deinit_pf_vsi; 242671d10453SEric Joyner 242771d10453SEric Joyner /* Reconfigure the main PF VSI for RSS */ 242871d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 242971d10453SEric Joyner if (err) { 243071d10453SEric Joyner device_printf(sc->dev, 243171d10453SEric Joyner "Unable to reconfigure RSS for the main VSI, err %s\n", 243271d10453SEric Joyner ice_err_str(err)); 243371d10453SEric Joyner goto err_deinit_pf_vsi; 243471d10453SEric Joyner } 243571d10453SEric Joyner 243671d10453SEric Joyner /* Refresh link status */ 243771d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED); 243871d10453SEric Joyner sc->hw.port_info->phy.get_link_info = true; 243971d10453SEric Joyner ice_get_link_status(sc->hw.port_info, &sc->link_up); 244071d10453SEric Joyner ice_update_link_status(sc, true); 244171d10453SEric Joyner 244271d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 244371d10453SEric Joyner ice_configure_misc_interrupts(sc); 244471d10453SEric Joyner 244571d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 244671d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 244771d10453SEric Joyner 244871d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 244971d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 245071d10453SEric Joyner 245171d10453SEric Joyner log(LOG_INFO, "%s: device rebuild successful\n", sc->ifp->if_xname); 245271d10453SEric Joyner 245371d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 245471d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 245571d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 245671d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 245771d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 245871d10453SEric Joyner */ 245971d10453SEric Joyner ice_request_stack_reinit(sc); 246071d10453SEric Joyner 246171d10453SEric Joyner return; 246271d10453SEric Joyner 246371d10453SEric Joyner err_deinit_pf_vsi: 246471d10453SEric Joyner ice_deinit_vsi(&sc->pf_vsi); 246571d10453SEric Joyner err_release_queue_allocations: 246671d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 246771d10453SEric Joyner sc->pf_vsi.num_tx_queues); 246871d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 246971d10453SEric Joyner sc->pf_vsi.num_rx_queues); 247071d10453SEric Joyner err_sched_cleanup: 247171d10453SEric Joyner ice_sched_cleanup_all(hw); 247271d10453SEric Joyner err_shutdown_ctrlq: 247371d10453SEric Joyner ice_shutdown_all_ctrlq(hw); 247471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 247571d10453SEric Joyner device_printf(dev, "Driver rebuild failed, please reload the device driver\n"); 247671d10453SEric Joyner } 247771d10453SEric Joyner 247871d10453SEric Joyner /** 247971d10453SEric Joyner * ice_handle_reset_event - Handle reset events triggered by OICR 248071d10453SEric Joyner * @sc: The device private softc 248171d10453SEric Joyner * 248271d10453SEric Joyner * Handle reset events triggered by an OICR notification. This includes CORER, 248371d10453SEric Joyner * GLOBR, and EMPR resets triggered by software on this or any other PF or by 248471d10453SEric Joyner * firmware. 248571d10453SEric Joyner * 248671d10453SEric Joyner * @pre assumes the iflib context lock is held, and will unlock it while 248771d10453SEric Joyner * waiting for the hardware to finish reset. 248871d10453SEric Joyner */ 248971d10453SEric Joyner static void 249071d10453SEric Joyner ice_handle_reset_event(struct ice_softc *sc) 249171d10453SEric Joyner { 249271d10453SEric Joyner struct ice_hw *hw = &sc->hw; 249371d10453SEric Joyner enum ice_status status; 249471d10453SEric Joyner device_t dev = sc->dev; 249571d10453SEric Joyner 249671d10453SEric Joyner /* When a CORER, GLOBR, or EMPR is about to happen, the hardware will 249771d10453SEric Joyner * trigger an OICR interrupt. Our OICR handler will determine when 249871d10453SEric Joyner * this occurs and set the ICE_STATE_RESET_OICR_RECV bit as 249971d10453SEric Joyner * appropriate. 250071d10453SEric Joyner */ 250171d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 250271d10453SEric Joyner return; 250371d10453SEric Joyner 250471d10453SEric Joyner ice_prepare_for_reset(sc); 250571d10453SEric Joyner 250671d10453SEric Joyner /* 250771d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 250871d10453SEric Joyner * resetting. 250971d10453SEric Joyner */ 251071d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 251171d10453SEric Joyner status = ice_check_reset(hw); 251271d10453SEric Joyner IFLIB_CTX_LOCK(sc); 251371d10453SEric Joyner if (status) { 251471d10453SEric Joyner device_printf(dev, "Device never came out of reset, err %s\n", 251571d10453SEric Joyner ice_status_str(status)); 251671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 251771d10453SEric Joyner return; 251871d10453SEric Joyner } 251971d10453SEric Joyner 252071d10453SEric Joyner /* We're done with the reset, so we can rebuild driver state */ 252171d10453SEric Joyner sc->hw.reset_ongoing = false; 252271d10453SEric Joyner ice_rebuild(sc); 252371d10453SEric Joyner 252471d10453SEric Joyner /* In the unlikely event that a PF reset request occurs at the same 252571d10453SEric Joyner * time as a global reset, clear the request now. This avoids 252671d10453SEric Joyner * resetting a second time right after we reset due to a global event. 252771d10453SEric Joyner */ 252871d10453SEric Joyner if (ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 252971d10453SEric Joyner device_printf(dev, "Ignoring PFR request that occurred while a reset was ongoing\n"); 253071d10453SEric Joyner } 253171d10453SEric Joyner 253271d10453SEric Joyner /** 253371d10453SEric Joyner * ice_handle_pf_reset_request - Initiate PF reset requested by software 253471d10453SEric Joyner * @sc: The device private softc 253571d10453SEric Joyner * 253671d10453SEric Joyner * Initiate a PF reset requested by software. We handle this in the admin task 253771d10453SEric Joyner * so that only one thread actually handles driver preparation and cleanup, 253871d10453SEric Joyner * rather than having multiple threads possibly attempt to run this code 253971d10453SEric Joyner * simultaneously. 254071d10453SEric Joyner * 254171d10453SEric Joyner * @pre assumes the iflib context lock is held and will unlock it while 254271d10453SEric Joyner * waiting for the PF reset to complete. 254371d10453SEric Joyner */ 254471d10453SEric Joyner static void 254571d10453SEric Joyner ice_handle_pf_reset_request(struct ice_softc *sc) 254671d10453SEric Joyner { 254771d10453SEric Joyner struct ice_hw *hw = &sc->hw; 254871d10453SEric Joyner enum ice_status status; 254971d10453SEric Joyner 255071d10453SEric Joyner /* Check for PF reset requests */ 255171d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 255271d10453SEric Joyner return; 255371d10453SEric Joyner 255471d10453SEric Joyner /* Make sure we're prepared for reset */ 255571d10453SEric Joyner ice_prepare_for_reset(sc); 255671d10453SEric Joyner 255771d10453SEric Joyner /* 255871d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 255971d10453SEric Joyner * resetting. 256071d10453SEric Joyner */ 256171d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 256271d10453SEric Joyner status = ice_reset(hw, ICE_RESET_PFR); 256371d10453SEric Joyner IFLIB_CTX_LOCK(sc); 256471d10453SEric Joyner if (status) { 256571d10453SEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 256671d10453SEric Joyner ice_status_str(status)); 256771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 256871d10453SEric Joyner return; 256971d10453SEric Joyner } 257071d10453SEric Joyner 257171d10453SEric Joyner sc->soft_stats.pfr_count++; 257271d10453SEric Joyner ice_rebuild(sc); 257371d10453SEric Joyner } 257471d10453SEric Joyner 257571d10453SEric Joyner /** 257671d10453SEric Joyner * ice_init_device_features - Init device driver features 257771d10453SEric Joyner * @sc: driver softc structure 257871d10453SEric Joyner * 257971d10453SEric Joyner * @pre assumes that the function capabilities bits have been set up by 258071d10453SEric Joyner * ice_init_hw(). 258171d10453SEric Joyner */ 258271d10453SEric Joyner static void 258371d10453SEric Joyner ice_init_device_features(struct ice_softc *sc) 258471d10453SEric Joyner { 258571d10453SEric Joyner /* 258671d10453SEric Joyner * A failed pkg file download triggers safe mode, disabling advanced 258771d10453SEric Joyner * device feature support 258871d10453SEric Joyner */ 258971d10453SEric Joyner if (ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE)) 259071d10453SEric Joyner return; 259171d10453SEric Joyner 2592*7d7af7f8SEric Joyner /* Set capabilities that all devices support */ 259371d10453SEric Joyner ice_set_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 259471d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_cap); 259571d10453SEric Joyner ice_set_bit(ICE_FEATURE_LENIENT_LINK_MODE, sc->feat_cap); 259671d10453SEric Joyner ice_set_bit(ICE_FEATURE_DEFAULT_OVERRIDE, sc->feat_cap); 259771d10453SEric Joyner 259871d10453SEric Joyner /* Disable features due to hardware limitations... */ 259971d10453SEric Joyner if (!sc->hw.func_caps.common_cap.rss_table_size) 260071d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 260171d10453SEric Joyner 260271d10453SEric Joyner /* Disable capabilities not supported by the OS */ 260371d10453SEric Joyner ice_disable_unsupported_features(sc->feat_cap); 260471d10453SEric Joyner 260571d10453SEric Joyner /* RSS is always enabled for iflib */ 260671d10453SEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RSS)) 260771d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_en); 260871d10453SEric Joyner } 260971d10453SEric Joyner 261071d10453SEric Joyner /** 261171d10453SEric Joyner * ice_if_multi_set - Callback to update Multicast filters in HW 261271d10453SEric Joyner * @ctx: iflib ctx structure 261371d10453SEric Joyner * 261471d10453SEric Joyner * Called by iflib in response to SIOCDELMULTI and SIOCADDMULTI. Must search 261571d10453SEric Joyner * the if_multiaddrs list and determine which filters have been added or 261671d10453SEric Joyner * removed from the list, and update HW programming to reflect the new list. 261771d10453SEric Joyner * 261871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 261971d10453SEric Joyner */ 262071d10453SEric Joyner static void 262171d10453SEric Joyner ice_if_multi_set(if_ctx_t ctx) 262271d10453SEric Joyner { 262371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 262471d10453SEric Joyner int err; 262571d10453SEric Joyner 262671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 262771d10453SEric Joyner 262871d10453SEric Joyner /* Do not handle multicast configuration in recovery mode */ 262971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 263071d10453SEric Joyner return; 263171d10453SEric Joyner 263271d10453SEric Joyner err = ice_sync_multicast_filters(sc); 263371d10453SEric Joyner if (err) { 263471d10453SEric Joyner device_printf(sc->dev, 263571d10453SEric Joyner "Failed to synchronize multicast filter list: %s\n", 263671d10453SEric Joyner ice_err_str(err)); 263771d10453SEric Joyner return; 263871d10453SEric Joyner } 263971d10453SEric Joyner } 264071d10453SEric Joyner 264171d10453SEric Joyner /** 264271d10453SEric Joyner * ice_if_vlan_register - Register a VLAN with the hardware 264371d10453SEric Joyner * @ctx: iflib ctx pointer 264471d10453SEric Joyner * @vtag: VLAN to add 264571d10453SEric Joyner * 264671d10453SEric Joyner * Programs the main PF VSI with a hardware filter for the given VLAN. 264771d10453SEric Joyner * 264871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 264971d10453SEric Joyner */ 265071d10453SEric Joyner static void 265171d10453SEric Joyner ice_if_vlan_register(if_ctx_t ctx, u16 vtag) 265271d10453SEric Joyner { 265371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 265471d10453SEric Joyner enum ice_status status; 265571d10453SEric Joyner 265671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 265771d10453SEric Joyner 265871d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 265971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 266071d10453SEric Joyner return; 266171d10453SEric Joyner 266271d10453SEric Joyner status = ice_add_vlan_hw_filter(&sc->pf_vsi, vtag); 266371d10453SEric Joyner if (status) { 266471d10453SEric Joyner device_printf(sc->dev, 266571d10453SEric Joyner "Failure adding VLAN %d to main VSI, err %s aq_err %s\n", 266671d10453SEric Joyner vtag, ice_status_str(status), 266771d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 266871d10453SEric Joyner } 266971d10453SEric Joyner } 267071d10453SEric Joyner 267171d10453SEric Joyner /** 267271d10453SEric Joyner * ice_if_vlan_unregister - Remove a VLAN filter from the hardware 267371d10453SEric Joyner * @ctx: iflib ctx pointer 267471d10453SEric Joyner * @vtag: VLAN to add 267571d10453SEric Joyner * 267671d10453SEric Joyner * Removes the previously programmed VLAN filter from the main PF VSI. 267771d10453SEric Joyner * 267871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 267971d10453SEric Joyner */ 268071d10453SEric Joyner static void 268171d10453SEric Joyner ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 268271d10453SEric Joyner { 268371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 268471d10453SEric Joyner enum ice_status status; 268571d10453SEric Joyner 268671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 268771d10453SEric Joyner 268871d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 268971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 269071d10453SEric Joyner return; 269171d10453SEric Joyner 269271d10453SEric Joyner status = ice_remove_vlan_hw_filter(&sc->pf_vsi, vtag); 269371d10453SEric Joyner if (status) { 269471d10453SEric Joyner device_printf(sc->dev, 269571d10453SEric Joyner "Failure removing VLAN %d from main VSI, err %s aq_err %s\n", 269671d10453SEric Joyner vtag, ice_status_str(status), 269771d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 269871d10453SEric Joyner } 269971d10453SEric Joyner } 270071d10453SEric Joyner 270171d10453SEric Joyner /** 270271d10453SEric Joyner * ice_if_stop - Stop the device 270371d10453SEric Joyner * @ctx: iflib context structure 270471d10453SEric Joyner * 270571d10453SEric Joyner * Called by iflib to stop the device and bring it down. (i.e. ifconfig ice0 270671d10453SEric Joyner * down) 270771d10453SEric Joyner * 270871d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 270971d10453SEric Joyner */ 271071d10453SEric Joyner static void 271171d10453SEric Joyner ice_if_stop(if_ctx_t ctx) 271271d10453SEric Joyner { 271371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 271471d10453SEric Joyner 271571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 271671d10453SEric Joyner 271771d10453SEric Joyner /* 271871d10453SEric Joyner * The iflib core may call IFDI_STOP prior to the first call to 271971d10453SEric Joyner * IFDI_INIT. This will cause us to attempt to remove MAC filters we 272071d10453SEric Joyner * don't have, and disable Tx queues which aren't yet configured. 272171d10453SEric Joyner * Although it is likely these extra operations are harmless, they do 272271d10453SEric Joyner * cause spurious warning messages to be displayed, which may confuse 272371d10453SEric Joyner * users. 272471d10453SEric Joyner * 272571d10453SEric Joyner * To avoid these messages, we use a state bit indicating if we've 272671d10453SEric Joyner * been initialized. It will be set when ice_if_init is called, and 272771d10453SEric Joyner * cleared here in ice_if_stop. 272871d10453SEric Joyner */ 272971d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED)) 273071d10453SEric Joyner return; 273171d10453SEric Joyner 273271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 273371d10453SEric Joyner device_printf(sc->dev, "request to stop interface cannot be completed as the device failed to reset\n"); 273471d10453SEric Joyner return; 273571d10453SEric Joyner } 273671d10453SEric Joyner 273771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 273871d10453SEric Joyner device_printf(sc->dev, "request to stop interface while device is prepared for impending reset\n"); 273971d10453SEric Joyner return; 274071d10453SEric Joyner } 274171d10453SEric Joyner 274271d10453SEric Joyner /* Remove the MAC filters, stop Tx, and stop Rx. We don't check the 274371d10453SEric Joyner * return of these functions because there's nothing we can really do 274471d10453SEric Joyner * if they fail, and the functions already print error messages. 274571d10453SEric Joyner * Just try to shut down as much as we can. 274671d10453SEric Joyner */ 274771d10453SEric Joyner ice_rm_pf_default_mac_filters(sc); 274871d10453SEric Joyner 274971d10453SEric Joyner /* Dissociate the Tx and Rx queues from the interrupts */ 275071d10453SEric Joyner ice_flush_txq_interrupts(&sc->pf_vsi); 275171d10453SEric Joyner ice_flush_rxq_interrupts(&sc->pf_vsi); 275271d10453SEric Joyner 275371d10453SEric Joyner /* Disable the Tx and Rx queues */ 275471d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 275571d10453SEric Joyner ice_control_rx_queues(&sc->pf_vsi, false); 275671d10453SEric Joyner } 275771d10453SEric Joyner 275871d10453SEric Joyner /** 275971d10453SEric Joyner * ice_if_get_counter - Get current value of an ifnet statistic 276071d10453SEric Joyner * @ctx: iflib context pointer 276171d10453SEric Joyner * @counter: ifnet counter to read 276271d10453SEric Joyner * 276371d10453SEric Joyner * Reads the current value of an ifnet counter for the device. 276471d10453SEric Joyner * 276571d10453SEric Joyner * This function is not protected by the iflib CTX lock. 276671d10453SEric Joyner */ 276771d10453SEric Joyner static uint64_t 276871d10453SEric Joyner ice_if_get_counter(if_ctx_t ctx, ift_counter counter) 276971d10453SEric Joyner { 277071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 277171d10453SEric Joyner 277271d10453SEric Joyner /* Return the counter for the main PF VSI */ 277371d10453SEric Joyner return ice_get_ifnet_counter(&sc->pf_vsi, counter); 277471d10453SEric Joyner } 277571d10453SEric Joyner 277671d10453SEric Joyner /** 277771d10453SEric Joyner * ice_request_stack_reinit - Request that iflib re-initialize 277871d10453SEric Joyner * @sc: the device private softc 277971d10453SEric Joyner * 278071d10453SEric Joyner * Request that the device be brought down and up, to re-initialize. For 278171d10453SEric Joyner * example, this may be called when a device reset occurs, or when Tx and Rx 278271d10453SEric Joyner * queues need to be re-initialized. 278371d10453SEric Joyner * 278471d10453SEric Joyner * This is required because the iflib state is outside the driver, and must be 278571d10453SEric Joyner * re-initialized if we need to resart Tx and Rx queues. 278671d10453SEric Joyner */ 278771d10453SEric Joyner void 278871d10453SEric Joyner ice_request_stack_reinit(struct ice_softc *sc) 278971d10453SEric Joyner { 279071d10453SEric Joyner if (CTX_ACTIVE(sc->ctx)) { 279171d10453SEric Joyner iflib_request_reset(sc->ctx); 279271d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 279371d10453SEric Joyner } 279471d10453SEric Joyner } 279571d10453SEric Joyner 279671d10453SEric Joyner /** 279771d10453SEric Joyner * ice_driver_is_detaching - Check if the driver is detaching/unloading 279871d10453SEric Joyner * @sc: device private softc 279971d10453SEric Joyner * 280071d10453SEric Joyner * Returns true if the driver is detaching, false otherwise. 280171d10453SEric Joyner * 280271d10453SEric Joyner * @remark on newer kernels, take advantage of iflib_in_detach in order to 280371d10453SEric Joyner * report detachment correctly as early as possible. 280471d10453SEric Joyner * 280571d10453SEric Joyner * @remark this function is used by various code paths that want to avoid 280671d10453SEric Joyner * running if the driver is about to be removed. This includes sysctls and 280771d10453SEric Joyner * other driver access points. Note that it does not fully resolve 280871d10453SEric Joyner * detach-based race conditions as it is possible for a thread to race with 280971d10453SEric Joyner * iflib_in_detach. 281071d10453SEric Joyner */ 281171d10453SEric Joyner bool 281271d10453SEric Joyner ice_driver_is_detaching(struct ice_softc *sc) 281371d10453SEric Joyner { 281471d10453SEric Joyner return (ice_test_state(&sc->state, ICE_STATE_DETACHING) || 281571d10453SEric Joyner iflib_in_detach(sc->ctx)); 281671d10453SEric Joyner } 281771d10453SEric Joyner 281871d10453SEric Joyner /** 281971d10453SEric Joyner * ice_if_priv_ioctl - Device private ioctl handler 282071d10453SEric Joyner * @ctx: iflib context pointer 282171d10453SEric Joyner * @command: The ioctl command issued 282271d10453SEric Joyner * @data: ioctl specific data 282371d10453SEric Joyner * 282471d10453SEric Joyner * iflib callback for handling custom driver specific ioctls. 282571d10453SEric Joyner * 282671d10453SEric Joyner * @pre Assumes that the iflib context lock is held. 282771d10453SEric Joyner */ 282871d10453SEric Joyner static int 282971d10453SEric Joyner ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) 283071d10453SEric Joyner { 283171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 283271d10453SEric Joyner struct ifdrv *ifd; 283371d10453SEric Joyner device_t dev = sc->dev; 283471d10453SEric Joyner 283571d10453SEric Joyner if (data == NULL) 283671d10453SEric Joyner return (EINVAL); 283771d10453SEric Joyner 283871d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 283971d10453SEric Joyner 284071d10453SEric Joyner /* Make sure the command type is valid */ 284171d10453SEric Joyner switch (command) { 284271d10453SEric Joyner case SIOCSDRVSPEC: 284371d10453SEric Joyner case SIOCGDRVSPEC: 284471d10453SEric Joyner /* Accepted commands */ 284571d10453SEric Joyner break; 284671d10453SEric Joyner case SIOCGPRIVATE_0: 284771d10453SEric Joyner /* 284871d10453SEric Joyner * Although we do not support this ioctl command, it's 284971d10453SEric Joyner * expected that iflib will forward it to the IFDI_PRIV_IOCTL 285071d10453SEric Joyner * handler. Do not print a message in this case 285171d10453SEric Joyner */ 285271d10453SEric Joyner return (ENOTSUP); 285371d10453SEric Joyner default: 285471d10453SEric Joyner /* 285571d10453SEric Joyner * If we get a different command for this function, it's 285671d10453SEric Joyner * definitely unexpected, so log a message indicating what 285771d10453SEric Joyner * command we got for debugging purposes. 285871d10453SEric Joyner */ 285971d10453SEric Joyner device_printf(dev, "%s: unexpected ioctl command %08lx\n", 286071d10453SEric Joyner __func__, command); 286171d10453SEric Joyner return (EINVAL); 286271d10453SEric Joyner } 286371d10453SEric Joyner 286471d10453SEric Joyner ifd = (struct ifdrv *)data; 286571d10453SEric Joyner 286671d10453SEric Joyner switch (ifd->ifd_cmd) { 286771d10453SEric Joyner case ICE_NVM_ACCESS: 286871d10453SEric Joyner return ice_handle_nvm_access_ioctl(sc, ifd); 286971d10453SEric Joyner default: 287071d10453SEric Joyner return EINVAL; 287171d10453SEric Joyner } 287271d10453SEric Joyner } 287371d10453SEric Joyner 287471d10453SEric Joyner /** 287571d10453SEric Joyner * ice_if_i2c_req - I2C request handler for iflib 287671d10453SEric Joyner * @ctx: iflib context pointer 287771d10453SEric Joyner * @req: The I2C parameters to use 287871d10453SEric Joyner * 287971d10453SEric Joyner * Read from the port's I2C eeprom using the parameters from the ioctl. 288071d10453SEric Joyner * 288171d10453SEric Joyner * @remark The iflib-only part is pretty simple. 288271d10453SEric Joyner */ 288371d10453SEric Joyner static int 288471d10453SEric Joyner ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 288571d10453SEric Joyner { 288671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 288771d10453SEric Joyner 288871d10453SEric Joyner return ice_handle_i2c_req(sc, req); 288971d10453SEric Joyner } 289071d10453SEric Joyner 2891*7d7af7f8SEric Joyner /** 2892*7d7af7f8SEric Joyner * ice_if_suspend - PCI device suspend handler for iflib 2893*7d7af7f8SEric Joyner * @ctx: iflib context pointer 2894*7d7af7f8SEric Joyner * 2895*7d7af7f8SEric Joyner * Deinitializes the driver and clears HW resources in preparation for 2896*7d7af7f8SEric Joyner * suspend or an FLR. 2897*7d7af7f8SEric Joyner * 2898*7d7af7f8SEric Joyner * @returns 0; this return value is ignored 2899*7d7af7f8SEric Joyner */ 2900*7d7af7f8SEric Joyner static int 2901*7d7af7f8SEric Joyner ice_if_suspend(if_ctx_t ctx) 2902*7d7af7f8SEric Joyner { 2903*7d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 2904*7d7af7f8SEric Joyner 2905*7d7af7f8SEric Joyner /* At least a PFR is always going to happen after this; 2906*7d7af7f8SEric Joyner * either via FLR or during the D3->D0 transition. 2907*7d7af7f8SEric Joyner */ 2908*7d7af7f8SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 2909*7d7af7f8SEric Joyner 2910*7d7af7f8SEric Joyner ice_prepare_for_reset(sc); 2911*7d7af7f8SEric Joyner 2912*7d7af7f8SEric Joyner return (0); 2913*7d7af7f8SEric Joyner } 2914*7d7af7f8SEric Joyner 2915*7d7af7f8SEric Joyner /** 2916*7d7af7f8SEric Joyner * ice_if_resume - PCI device resume handler for iflib 2917*7d7af7f8SEric Joyner * @ctx: iflib context pointer 2918*7d7af7f8SEric Joyner * 2919*7d7af7f8SEric Joyner * Reinitializes the driver and the HW after PCI resume or after 2920*7d7af7f8SEric Joyner * an FLR. An init is performed by iflib after this function is finished. 2921*7d7af7f8SEric Joyner * 2922*7d7af7f8SEric Joyner * @returns 0; this return value is ignored 2923*7d7af7f8SEric Joyner */ 2924*7d7af7f8SEric Joyner static int 2925*7d7af7f8SEric Joyner ice_if_resume(if_ctx_t ctx) 2926*7d7af7f8SEric Joyner { 2927*7d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 2928*7d7af7f8SEric Joyner 2929*7d7af7f8SEric Joyner ice_rebuild(sc); 2930*7d7af7f8SEric Joyner 2931*7d7af7f8SEric Joyner return (0); 2932*7d7af7f8SEric Joyner } 2933*7d7af7f8SEric Joyner 2934