171d10453SEric Joyner /* SPDX-License-Identifier: BSD-3-Clause */ 2*8923de59SPiotr Kubaj /* Copyright (c) 2022, 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); 857d7af7f8SEric Joyner static int ice_if_suspend(if_ctx_t ctx); 867d7af7f8SEric 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), 1727d7af7f8SEric Joyner DEVMETHOD(ifdi_suspend, ice_if_suspend), 1737d7af7f8SEric 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 27283c0a9e8SJohn Baldwin DRIVER_MODULE(ice, pci, ice_driver, ice_module_event_handler, NULL); 27371d10453SEric Joyner 27471d10453SEric Joyner MODULE_VERSION(ice, 1); 27571d10453SEric Joyner MODULE_DEPEND(ice, pci, 1, 1, 1); 27671d10453SEric Joyner MODULE_DEPEND(ice, ether, 1, 1, 1); 27771d10453SEric Joyner MODULE_DEPEND(ice, iflib, 1, 1, 1); 27871d10453SEric Joyner 27971d10453SEric Joyner IFLIB_PNP_INFO(pci, ice, ice_vendor_info_array); 28071d10453SEric Joyner 28171d10453SEric Joyner /* Static driver-wide sysctls */ 28271d10453SEric Joyner #include "ice_iflib_sysctls.h" 28371d10453SEric Joyner 28471d10453SEric Joyner /** 28571d10453SEric Joyner * ice_pci_mapping - Map PCI BAR memory 28671d10453SEric Joyner * @sc: device private softc 28771d10453SEric Joyner * 28871d10453SEric Joyner * Map PCI BAR 0 for device operation. 28971d10453SEric Joyner */ 29071d10453SEric Joyner static int 29171d10453SEric Joyner ice_pci_mapping(struct ice_softc *sc) 29271d10453SEric Joyner { 29371d10453SEric Joyner int rc; 29471d10453SEric Joyner 29571d10453SEric Joyner /* Map BAR0 */ 29671d10453SEric Joyner rc = ice_map_bar(sc->dev, &sc->bar0, 0); 29771d10453SEric Joyner if (rc) 29871d10453SEric Joyner return rc; 29971d10453SEric Joyner 30071d10453SEric Joyner return 0; 30171d10453SEric Joyner } 30271d10453SEric Joyner 30371d10453SEric Joyner /** 30471d10453SEric Joyner * ice_free_pci_mapping - Release PCI BAR memory 30571d10453SEric Joyner * @sc: device private softc 30671d10453SEric Joyner * 30771d10453SEric Joyner * Release PCI BARs which were previously mapped by ice_pci_mapping(). 30871d10453SEric Joyner */ 30971d10453SEric Joyner static void 31071d10453SEric Joyner ice_free_pci_mapping(struct ice_softc *sc) 31171d10453SEric Joyner { 31271d10453SEric Joyner /* Free BAR0 */ 31371d10453SEric Joyner ice_free_bar(sc->dev, &sc->bar0); 31471d10453SEric Joyner } 31571d10453SEric Joyner 31671d10453SEric Joyner /* 31771d10453SEric Joyner * Device methods 31871d10453SEric Joyner */ 31971d10453SEric Joyner 32071d10453SEric Joyner /** 32171d10453SEric Joyner * ice_register - register device method callback 32271d10453SEric Joyner * @dev: the device being registered 32371d10453SEric Joyner * 32471d10453SEric Joyner * Returns a pointer to the shared context structure, which is used by iflib. 32571d10453SEric Joyner */ 32671d10453SEric Joyner static void * 32771d10453SEric Joyner ice_register(device_t dev __unused) 32871d10453SEric Joyner { 32971d10453SEric Joyner return &ice_sctx; 33071d10453SEric Joyner } /* ice_register */ 33171d10453SEric Joyner 33271d10453SEric Joyner /** 33371d10453SEric Joyner * ice_setup_scctx - Setup the iflib softc context structure 33471d10453SEric Joyner * @sc: the device private structure 33571d10453SEric Joyner * 33671d10453SEric Joyner * Setup the parameters in if_softc_ctx_t structure used by the iflib stack 33771d10453SEric Joyner * when loading. 33871d10453SEric Joyner */ 33971d10453SEric Joyner static void 34071d10453SEric Joyner ice_setup_scctx(struct ice_softc *sc) 34171d10453SEric Joyner { 34271d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 34371d10453SEric Joyner struct ice_hw *hw = &sc->hw; 34471d10453SEric Joyner bool safe_mode, recovery_mode; 34571d10453SEric Joyner 34671d10453SEric Joyner safe_mode = ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE); 34771d10453SEric Joyner recovery_mode = ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE); 34871d10453SEric Joyner 34971d10453SEric Joyner /* 35071d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, limit iflib to 35171d10453SEric Joyner * a single queue pair. 35271d10453SEric Joyner */ 35371d10453SEric Joyner if (safe_mode || recovery_mode) { 35471d10453SEric Joyner scctx->isc_ntxqsets = scctx->isc_nrxqsets = 1; 35571d10453SEric Joyner scctx->isc_ntxqsets_max = 1; 35671d10453SEric Joyner scctx->isc_nrxqsets_max = 1; 35771d10453SEric Joyner } else { 35871d10453SEric Joyner /* 35971d10453SEric Joyner * iflib initially sets the isc_ntxqsets and isc_nrxqsets to 36071d10453SEric Joyner * the values of the override sysctls. Cache these initial 36171d10453SEric Joyner * values so that the driver can be aware of what the iflib 36271d10453SEric Joyner * sysctl value is when setting up MSI-X vectors. 36371d10453SEric Joyner */ 36471d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets; 36571d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets; 36671d10453SEric Joyner 36771d10453SEric Joyner if (scctx->isc_ntxqsets == 0) 36871d10453SEric Joyner scctx->isc_ntxqsets = hw->func_caps.common_cap.rss_table_size; 36971d10453SEric Joyner if (scctx->isc_nrxqsets == 0) 37071d10453SEric Joyner scctx->isc_nrxqsets = hw->func_caps.common_cap.rss_table_size; 37171d10453SEric Joyner 37271d10453SEric Joyner scctx->isc_ntxqsets_max = hw->func_caps.common_cap.num_txq; 37371d10453SEric Joyner scctx->isc_nrxqsets_max = hw->func_caps.common_cap.num_rxq; 37471d10453SEric Joyner 37571d10453SEric Joyner /* 37671d10453SEric Joyner * Sanity check that the iflib sysctl values are within the 37771d10453SEric Joyner * maximum supported range. 37871d10453SEric Joyner */ 37971d10453SEric Joyner if (sc->ifc_sysctl_ntxqs > scctx->isc_ntxqsets_max) 38071d10453SEric Joyner sc->ifc_sysctl_ntxqs = scctx->isc_ntxqsets_max; 38171d10453SEric Joyner if (sc->ifc_sysctl_nrxqs > scctx->isc_nrxqsets_max) 38271d10453SEric Joyner sc->ifc_sysctl_nrxqs = scctx->isc_nrxqsets_max; 38371d10453SEric Joyner } 38471d10453SEric Joyner 38571d10453SEric Joyner scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] 38671d10453SEric Joyner * sizeof(struct ice_tx_desc), DBA_ALIGN); 38771d10453SEric Joyner scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] 38871d10453SEric Joyner * sizeof(union ice_32b_rx_flex_desc), DBA_ALIGN); 38971d10453SEric Joyner 39071d10453SEric Joyner scctx->isc_tx_nsegments = ICE_MAX_TX_SEGS; 39171d10453SEric Joyner scctx->isc_tx_tso_segments_max = ICE_MAX_TSO_SEGS; 39271d10453SEric Joyner scctx->isc_tx_tso_size_max = ICE_TSO_SIZE; 39371d10453SEric Joyner scctx->isc_tx_tso_segsize_max = ICE_MAX_DMA_SEG_SIZE; 39471d10453SEric Joyner 39571d10453SEric Joyner scctx->isc_msix_bar = PCIR_BAR(ICE_MSIX_BAR); 39671d10453SEric Joyner scctx->isc_rss_table_size = hw->func_caps.common_cap.rss_table_size; 39771d10453SEric Joyner 39871d10453SEric Joyner /* 39971d10453SEric Joyner * If the driver loads in recovery mode, disable Tx/Rx functionality 40071d10453SEric Joyner */ 40171d10453SEric Joyner if (recovery_mode) 40271d10453SEric Joyner scctx->isc_txrx = &ice_recovery_txrx; 40371d10453SEric Joyner else 40471d10453SEric Joyner scctx->isc_txrx = &ice_txrx; 40571d10453SEric Joyner 40671d10453SEric Joyner /* 40771d10453SEric Joyner * If the driver loads in Safe mode or Recovery mode, disable 40871d10453SEric Joyner * advanced features including hardware offloads. 40971d10453SEric Joyner */ 41071d10453SEric Joyner if (safe_mode || recovery_mode) { 41171d10453SEric Joyner scctx->isc_capenable = ICE_SAFE_CAPS; 41271d10453SEric Joyner scctx->isc_tx_csum_flags = 0; 41371d10453SEric Joyner } else { 41471d10453SEric Joyner scctx->isc_capenable = ICE_FULL_CAPS; 41571d10453SEric Joyner scctx->isc_tx_csum_flags = ICE_CSUM_OFFLOAD; 41671d10453SEric Joyner } 41771d10453SEric Joyner 41871d10453SEric Joyner scctx->isc_capabilities = scctx->isc_capenable; 41971d10453SEric Joyner } /* ice_setup_scctx */ 42071d10453SEric Joyner 42171d10453SEric Joyner /** 42271d10453SEric Joyner * ice_if_attach_pre - Early device attach logic 42371d10453SEric Joyner * @ctx: the iflib context structure 42471d10453SEric Joyner * 42571d10453SEric Joyner * Called by iflib during the attach process. Earliest main driver entry 42671d10453SEric Joyner * point which performs necessary hardware and driver initialization. Called 42771d10453SEric Joyner * before the Tx and Rx queues are allocated. 42871d10453SEric Joyner */ 42971d10453SEric Joyner static int 43071d10453SEric Joyner ice_if_attach_pre(if_ctx_t ctx) 43171d10453SEric Joyner { 43271d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 43371d10453SEric Joyner enum ice_fw_modes fw_mode; 43471d10453SEric Joyner enum ice_status status; 43571d10453SEric Joyner if_softc_ctx_t scctx; 43671d10453SEric Joyner struct ice_hw *hw; 43771d10453SEric Joyner device_t dev; 43871d10453SEric Joyner int err; 43971d10453SEric Joyner 44071d10453SEric Joyner device_printf(iflib_get_dev(ctx), "Loading the iflib ice driver\n"); 44171d10453SEric Joyner 44256429daeSEric Joyner ice_set_state(&sc->state, ICE_STATE_ATTACHING); 44356429daeSEric Joyner 44471d10453SEric Joyner sc->ctx = ctx; 44571d10453SEric Joyner sc->media = iflib_get_media(ctx); 44671d10453SEric Joyner sc->sctx = iflib_get_sctx(ctx); 44771d10453SEric Joyner sc->iflib_ctx_lock = iflib_ctx_lock_get(ctx); 44871d10453SEric Joyner 44971d10453SEric Joyner dev = sc->dev = iflib_get_dev(ctx); 45071d10453SEric Joyner scctx = sc->scctx = iflib_get_softc_ctx(ctx); 45171d10453SEric Joyner 45271d10453SEric Joyner hw = &sc->hw; 45371d10453SEric Joyner hw->back = sc; 45471d10453SEric Joyner 45571d10453SEric Joyner snprintf(sc->admin_mtx_name, sizeof(sc->admin_mtx_name), 45671d10453SEric Joyner "%s:admin", device_get_nameunit(dev)); 45771d10453SEric Joyner mtx_init(&sc->admin_mtx, sc->admin_mtx_name, NULL, MTX_DEF); 45871d10453SEric Joyner callout_init_mtx(&sc->admin_timer, &sc->admin_mtx, 0); 45971d10453SEric Joyner 46071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 46171d10453SEric Joyner 46271d10453SEric Joyner if (ice_pci_mapping(sc)) { 46371d10453SEric Joyner err = (ENXIO); 46471d10453SEric Joyner goto destroy_admin_timer; 46571d10453SEric Joyner } 46671d10453SEric Joyner 46771d10453SEric Joyner /* Save off the PCI information */ 46871d10453SEric Joyner ice_save_pci_info(hw, dev); 46971d10453SEric Joyner 47071d10453SEric Joyner /* create tunables as early as possible */ 47171d10453SEric Joyner ice_add_device_tunables(sc); 47271d10453SEric Joyner 47371d10453SEric Joyner /* Setup ControlQ lengths */ 47471d10453SEric Joyner ice_set_ctrlq_len(hw); 47571d10453SEric Joyner 476*8923de59SPiotr Kubaj reinit_hw: 477*8923de59SPiotr Kubaj 47871d10453SEric Joyner fw_mode = ice_get_fw_mode(hw); 47971d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 48071d10453SEric 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"); 48171d10453SEric Joyner 48271d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 48371d10453SEric Joyner if (err) 48471d10453SEric Joyner goto free_pci_mapping; 48571d10453SEric Joyner 48671d10453SEric Joyner return (0); 48771d10453SEric Joyner } 48871d10453SEric Joyner 48971d10453SEric Joyner /* Initialize the hw data structure */ 49071d10453SEric Joyner status = ice_init_hw(hw); 49171d10453SEric Joyner if (status) { 49271d10453SEric Joyner if (status == ICE_ERR_FW_API_VER) { 49371d10453SEric Joyner /* Enter recovery mode, so that the driver remains 49471d10453SEric Joyner * loaded. This way, if the system administrator 49571d10453SEric Joyner * cannot update the driver, they may still attempt to 49671d10453SEric Joyner * downgrade the NVM. 49771d10453SEric Joyner */ 49871d10453SEric Joyner err = ice_attach_pre_recovery_mode(sc); 49971d10453SEric Joyner if (err) 50071d10453SEric Joyner goto free_pci_mapping; 50171d10453SEric Joyner 50271d10453SEric Joyner return (0); 50371d10453SEric Joyner } else { 50471d10453SEric Joyner err = EIO; 50571d10453SEric Joyner device_printf(dev, "Unable to initialize hw, err %s aq_err %s\n", 50671d10453SEric Joyner ice_status_str(status), 50771d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 50871d10453SEric Joyner } 50971d10453SEric Joyner goto free_pci_mapping; 51071d10453SEric Joyner } 51171d10453SEric Joyner 512*8923de59SPiotr Kubaj ice_init_device_features(sc); 513*8923de59SPiotr Kubaj 51471d10453SEric Joyner /* Notify firmware of the device driver version */ 51571d10453SEric Joyner err = ice_send_version(sc); 51671d10453SEric Joyner if (err) 51771d10453SEric Joyner goto deinit_hw; 51871d10453SEric Joyner 519*8923de59SPiotr Kubaj /* 520*8923de59SPiotr Kubaj * Success indicates a change was made that requires a reinitialization 521*8923de59SPiotr Kubaj * of the hardware 522*8923de59SPiotr Kubaj */ 523*8923de59SPiotr Kubaj err = ice_load_pkg_file(sc); 524*8923de59SPiotr Kubaj if (err == ICE_SUCCESS) { 525*8923de59SPiotr Kubaj ice_deinit_hw(hw); 526*8923de59SPiotr Kubaj goto reinit_hw; 527*8923de59SPiotr Kubaj } 52871d10453SEric Joyner 52971d10453SEric Joyner err = ice_init_link_events(sc); 53071d10453SEric Joyner if (err) { 53171d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 53271d10453SEric Joyner ice_err_str(err)); 53371d10453SEric Joyner goto deinit_hw; 53471d10453SEric Joyner } 53571d10453SEric Joyner 536*8923de59SPiotr Kubaj /* Initialize VLAN mode in FW; if dual VLAN mode is supported by the package 537*8923de59SPiotr Kubaj * and firmware, this will force them to use single VLAN mode. 538*8923de59SPiotr Kubaj */ 539*8923de59SPiotr Kubaj status = ice_set_vlan_mode(hw); 540*8923de59SPiotr Kubaj if (status) { 541*8923de59SPiotr Kubaj err = EIO; 542*8923de59SPiotr Kubaj device_printf(dev, "Unable to initialize VLAN mode, err %s aq_err %s\n", 543*8923de59SPiotr Kubaj ice_status_str(status), 544*8923de59SPiotr Kubaj ice_aq_str(hw->adminq.sq_last_status)); 545*8923de59SPiotr Kubaj goto deinit_hw; 546*8923de59SPiotr Kubaj } 54771d10453SEric Joyner 548*8923de59SPiotr Kubaj ice_print_nvm_version(sc); 54971d10453SEric Joyner 55071d10453SEric Joyner /* Setup the MAC address */ 55171d10453SEric Joyner iflib_set_mac(ctx, hw->port_info->mac.lan_addr); 55271d10453SEric Joyner 55371d10453SEric Joyner /* Setup the iflib softc context structure */ 55471d10453SEric Joyner ice_setup_scctx(sc); 55571d10453SEric Joyner 55671d10453SEric Joyner /* Initialize the Tx queue manager */ 55771d10453SEric Joyner err = ice_resmgr_init(&sc->tx_qmgr, hw->func_caps.common_cap.num_txq); 55871d10453SEric Joyner if (err) { 55971d10453SEric Joyner device_printf(dev, "Unable to initialize Tx queue manager: %s\n", 56071d10453SEric Joyner ice_err_str(err)); 56171d10453SEric Joyner goto deinit_hw; 56271d10453SEric Joyner } 56371d10453SEric Joyner 56471d10453SEric Joyner /* Initialize the Rx queue manager */ 56571d10453SEric Joyner err = ice_resmgr_init(&sc->rx_qmgr, hw->func_caps.common_cap.num_rxq); 56671d10453SEric Joyner if (err) { 56771d10453SEric Joyner device_printf(dev, "Unable to initialize Rx queue manager: %s\n", 56871d10453SEric Joyner ice_err_str(err)); 56971d10453SEric Joyner goto free_tx_qmgr; 57071d10453SEric Joyner } 57171d10453SEric Joyner 57271d10453SEric Joyner /* Initialize the interrupt resource manager */ 57371d10453SEric Joyner err = ice_alloc_intr_tracking(sc); 57471d10453SEric Joyner if (err) 57571d10453SEric Joyner /* Errors are already printed */ 57671d10453SEric Joyner goto free_rx_qmgr; 57771d10453SEric Joyner 57871d10453SEric Joyner /* Determine maximum number of VSIs we'll prepare for */ 57971d10453SEric Joyner sc->num_available_vsi = min(ICE_MAX_VSI_AVAILABLE, 58071d10453SEric Joyner hw->func_caps.guar_num_vsi); 58171d10453SEric Joyner 58271d10453SEric Joyner if (!sc->num_available_vsi) { 58371d10453SEric Joyner err = EIO; 58471d10453SEric Joyner device_printf(dev, "No VSIs allocated to host\n"); 58571d10453SEric Joyner goto free_intr_tracking; 58671d10453SEric Joyner } 58771d10453SEric Joyner 58871d10453SEric Joyner /* Allocate storage for the VSI pointers */ 58971d10453SEric Joyner sc->all_vsi = (struct ice_vsi **) 59071d10453SEric Joyner malloc(sizeof(struct ice_vsi *) * sc->num_available_vsi, 59171d10453SEric Joyner M_ICE, M_WAITOK | M_ZERO); 59271d10453SEric Joyner if (!sc->all_vsi) { 59371d10453SEric Joyner err = ENOMEM; 59471d10453SEric Joyner device_printf(dev, "Unable to allocate VSI array\n"); 59571d10453SEric Joyner goto free_intr_tracking; 59671d10453SEric Joyner } 59771d10453SEric Joyner 59871d10453SEric Joyner /* 59971d10453SEric Joyner * Prepare the statically allocated primary PF VSI in the softc 60071d10453SEric Joyner * structure. Other VSIs will be dynamically allocated as needed. 60171d10453SEric Joyner */ 60271d10453SEric Joyner ice_setup_pf_vsi(sc); 60371d10453SEric Joyner 60471d10453SEric Joyner err = ice_alloc_vsi_qmap(&sc->pf_vsi, scctx->isc_ntxqsets_max, 60571d10453SEric Joyner scctx->isc_nrxqsets_max); 60671d10453SEric Joyner if (err) { 60771d10453SEric Joyner device_printf(dev, "Unable to allocate VSI Queue maps\n"); 60871d10453SEric Joyner goto free_main_vsi; 60971d10453SEric Joyner } 61071d10453SEric Joyner 61171d10453SEric Joyner /* Allocate MSI-X vectors (due to isc_flags IFLIB_SKIP_MSIX) */ 61271d10453SEric Joyner err = ice_allocate_msix(sc); 61371d10453SEric Joyner if (err) 61471d10453SEric Joyner goto free_main_vsi; 61571d10453SEric Joyner 61671d10453SEric Joyner return 0; 61771d10453SEric Joyner 61871d10453SEric Joyner free_main_vsi: 61971d10453SEric Joyner /* ice_release_vsi will free the queue maps if they were allocated */ 62071d10453SEric Joyner ice_release_vsi(&sc->pf_vsi); 62171d10453SEric Joyner free(sc->all_vsi, M_ICE); 62271d10453SEric Joyner sc->all_vsi = NULL; 62371d10453SEric Joyner free_intr_tracking: 62471d10453SEric Joyner ice_free_intr_tracking(sc); 62571d10453SEric Joyner free_rx_qmgr: 62671d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 62771d10453SEric Joyner free_tx_qmgr: 62871d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 62971d10453SEric Joyner deinit_hw: 63071d10453SEric Joyner ice_deinit_hw(hw); 63171d10453SEric Joyner free_pci_mapping: 63271d10453SEric Joyner ice_free_pci_mapping(sc); 63371d10453SEric Joyner destroy_admin_timer: 63471d10453SEric Joyner mtx_lock(&sc->admin_mtx); 63571d10453SEric Joyner callout_stop(&sc->admin_timer); 63671d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 63771d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 63871d10453SEric Joyner return err; 63971d10453SEric Joyner } /* ice_if_attach_pre */ 64071d10453SEric Joyner 64171d10453SEric Joyner /** 64271d10453SEric Joyner * ice_attach_pre_recovery_mode - Limited driver attach_pre for FW recovery 64371d10453SEric Joyner * @sc: the device private softc 64471d10453SEric Joyner * 64571d10453SEric Joyner * Loads the device driver in limited Firmware Recovery mode, intended to 64671d10453SEric Joyner * allow users to update the firmware to attempt to recover the device. 64771d10453SEric Joyner * 64871d10453SEric Joyner * @remark We may enter recovery mode in case either (a) the firmware is 64971d10453SEric Joyner * detected to be in an invalid state and must be re-programmed, or (b) the 65071d10453SEric Joyner * driver detects that the loaded firmware has a non-compatible API version 65171d10453SEric Joyner * that the driver cannot operate with. 65271d10453SEric Joyner */ 65371d10453SEric Joyner static int 65471d10453SEric Joyner ice_attach_pre_recovery_mode(struct ice_softc *sc) 65571d10453SEric Joyner { 65671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RECOVERY_MODE); 65771d10453SEric Joyner 65871d10453SEric Joyner /* Setup the iflib softc context */ 65971d10453SEric Joyner ice_setup_scctx(sc); 66071d10453SEric Joyner 66171d10453SEric Joyner /* Setup the PF VSI back pointer */ 66271d10453SEric Joyner sc->pf_vsi.sc = sc; 66371d10453SEric Joyner 66471d10453SEric Joyner /* 66571d10453SEric Joyner * We still need to allocate MSI-X vectors since we need one vector to 66671d10453SEric Joyner * run the administrative admin interrupt 66771d10453SEric Joyner */ 66871d10453SEric Joyner return ice_allocate_msix(sc); 66971d10453SEric Joyner } 67071d10453SEric Joyner 67171d10453SEric Joyner /** 67271d10453SEric Joyner * ice_update_link_status - notify OS of link state change 67371d10453SEric Joyner * @sc: device private softc structure 67471d10453SEric Joyner * @update_media: true if we should update media even if link didn't change 67571d10453SEric Joyner * 67671d10453SEric Joyner * Called to notify iflib core of link status changes. Should be called once 67771d10453SEric Joyner * during attach_post, and whenever link status changes during runtime. 67871d10453SEric Joyner * 67971d10453SEric Joyner * This call only updates the currently supported media types if the link 68071d10453SEric Joyner * status changed, or if update_media is set to true. 68171d10453SEric Joyner */ 68271d10453SEric Joyner static void 68371d10453SEric Joyner ice_update_link_status(struct ice_softc *sc, bool update_media) 68471d10453SEric Joyner { 68571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 6867d7af7f8SEric Joyner enum ice_status status; 68771d10453SEric Joyner 68871d10453SEric Joyner /* Never report link up when in recovery mode */ 68971d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 69071d10453SEric Joyner return; 69171d10453SEric Joyner 69271d10453SEric Joyner /* Report link status to iflib only once each time it changes */ 69371d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED)) { 69471d10453SEric Joyner if (sc->link_up) { /* link is up */ 69571d10453SEric Joyner uint64_t baudrate = ice_aq_speed_to_rate(sc->hw.port_info); 69671d10453SEric Joyner 6977d7af7f8SEric Joyner ice_set_default_local_lldp_mib(sc); 6987d7af7f8SEric Joyner 69971d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_UP, baudrate); 7008a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_UP, baudrate); 70171d10453SEric Joyner 70271d10453SEric Joyner ice_link_up_msg(sc); 70371d10453SEric Joyner 70471d10453SEric Joyner update_media = true; 70571d10453SEric Joyner } else { /* link is down */ 70671d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 7078a13362dSEric Joyner ice_rdma_link_change(sc, LINK_STATE_DOWN, 0); 70871d10453SEric Joyner 70971d10453SEric Joyner update_media = true; 71071d10453SEric Joyner } 71171d10453SEric Joyner } 71271d10453SEric Joyner 71371d10453SEric Joyner /* Update the supported media types */ 71471d10453SEric Joyner if (update_media) { 7157d7af7f8SEric Joyner status = ice_add_media_types(sc, sc->media); 71671d10453SEric Joyner if (status) 71771d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 71871d10453SEric Joyner ice_status_str(status), 71971d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 72071d10453SEric Joyner } 72171d10453SEric Joyner 72271d10453SEric Joyner /* TODO: notify VFs of link state change */ 72371d10453SEric Joyner } 72471d10453SEric Joyner 72571d10453SEric Joyner /** 72671d10453SEric Joyner * ice_if_attach_post - Late device attach logic 72771d10453SEric Joyner * @ctx: the iflib context structure 72871d10453SEric Joyner * 72971d10453SEric Joyner * Called by iflib to finish up attaching the device. Performs any attach 73071d10453SEric Joyner * logic which must wait until after the Tx and Rx queues have been 73171d10453SEric Joyner * allocated. 73271d10453SEric Joyner */ 73371d10453SEric Joyner static int 73471d10453SEric Joyner ice_if_attach_post(if_ctx_t ctx) 73571d10453SEric Joyner { 73671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 73771d10453SEric Joyner if_t ifp = iflib_get_ifp(ctx); 73871d10453SEric Joyner int err; 73971d10453SEric Joyner 74071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 74171d10453SEric Joyner 74271d10453SEric Joyner /* We don't yet support loading if MSI-X is not supported */ 74371d10453SEric Joyner if (sc->scctx->isc_intr != IFLIB_INTR_MSIX) { 74471d10453SEric Joyner device_printf(sc->dev, "The ice driver does not support loading without MSI-X\n"); 74571d10453SEric Joyner return (ENOTSUP); 74671d10453SEric Joyner } 74771d10453SEric Joyner 74871d10453SEric Joyner /* The ifnet structure hasn't yet been initialized when the attach_pre 74971d10453SEric Joyner * handler is called, so wait until attach_post to setup the 75071d10453SEric Joyner * isc_max_frame_size. 75171d10453SEric Joyner */ 75271d10453SEric Joyner 75371d10453SEric Joyner sc->ifp = ifp; 754402810d3SJustin Hibbits sc->scctx->isc_max_frame_size = if_getmtu(ifp) + 75571d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 75671d10453SEric Joyner 75771d10453SEric Joyner /* 75871d10453SEric Joyner * If we are in recovery mode, only perform a limited subset of 75971d10453SEric Joyner * initialization to support NVM recovery. 76071d10453SEric Joyner */ 76171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 76271d10453SEric Joyner ice_attach_post_recovery_mode(sc); 76371d10453SEric Joyner return (0); 76471d10453SEric Joyner } 76571d10453SEric Joyner 76671d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 76771d10453SEric Joyner 76871d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 76971d10453SEric Joyner if (err) { 77071d10453SEric Joyner device_printf(sc->dev, "Unable to initialize Main VSI: %s\n", 77171d10453SEric Joyner ice_err_str(err)); 77271d10453SEric Joyner return err; 77371d10453SEric Joyner } 77471d10453SEric Joyner 7759cf1841cSEric Joyner /* Enable FW health event reporting */ 7769cf1841cSEric Joyner ice_init_health_events(sc); 7779cf1841cSEric Joyner 77871d10453SEric Joyner /* Configure the main PF VSI for RSS */ 77971d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 78071d10453SEric Joyner if (err) { 78171d10453SEric Joyner device_printf(sc->dev, 78271d10453SEric Joyner "Unable to configure RSS for the main VSI, err %s\n", 78371d10453SEric Joyner ice_err_str(err)); 78471d10453SEric Joyner return err; 78571d10453SEric Joyner } 78671d10453SEric Joyner 78771d10453SEric Joyner /* Configure switch to drop transmitted LLDP and PAUSE frames */ 78871d10453SEric Joyner err = ice_cfg_pf_ethertype_filters(sc); 78971d10453SEric Joyner if (err) 79071d10453SEric Joyner return err; 79171d10453SEric Joyner 79271d10453SEric Joyner ice_get_and_print_bus_info(sc); 79371d10453SEric Joyner 79471d10453SEric Joyner ice_set_link_management_mode(sc); 79571d10453SEric Joyner 79671d10453SEric Joyner ice_init_saved_phy_cfg(sc); 79771d10453SEric Joyner 79856429daeSEric Joyner ice_cfg_pba_num(sc); 79956429daeSEric Joyner 80071d10453SEric Joyner ice_add_device_sysctls(sc); 80171d10453SEric Joyner 80271d10453SEric Joyner /* Get DCBX/LLDP state and start DCBX agent */ 80371d10453SEric Joyner ice_init_dcb_setup(sc); 80471d10453SEric Joyner 80571d10453SEric Joyner /* Setup link configuration parameters */ 80671d10453SEric Joyner ice_init_link_configuration(sc); 80771d10453SEric Joyner ice_update_link_status(sc, true); 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 8158a13362dSEric Joyner err = ice_rdma_pf_attach(sc); 8168a13362dSEric Joyner if (err) 8178a13362dSEric Joyner return (err); 8188a13362dSEric Joyner 81971d10453SEric Joyner /* Start the admin timer */ 82071d10453SEric Joyner mtx_lock(&sc->admin_mtx); 82171d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 82271d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 82371d10453SEric Joyner 82456429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 82556429daeSEric Joyner 82671d10453SEric Joyner return 0; 82771d10453SEric Joyner } /* ice_if_attach_post */ 82871d10453SEric Joyner 82971d10453SEric Joyner /** 83071d10453SEric Joyner * ice_attach_post_recovery_mode - Limited driver attach_post for FW recovery 83171d10453SEric Joyner * @sc: the device private softc 83271d10453SEric Joyner * 83371d10453SEric Joyner * Performs minimal work to prepare the driver to recover an NVM in case the 83471d10453SEric Joyner * firmware is in recovery mode. 83571d10453SEric Joyner */ 83671d10453SEric Joyner static void 83771d10453SEric Joyner ice_attach_post_recovery_mode(struct ice_softc *sc) 83871d10453SEric Joyner { 83971d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 84071d10453SEric Joyner ice_configure_misc_interrupts(sc); 84171d10453SEric Joyner 84271d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 84371d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 84471d10453SEric Joyner 84571d10453SEric Joyner /* Start the admin timer */ 84671d10453SEric Joyner mtx_lock(&sc->admin_mtx); 84771d10453SEric Joyner callout_reset(&sc->admin_timer, hz/2, ice_admin_timer, sc); 84871d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 84956429daeSEric Joyner 85056429daeSEric Joyner ice_clear_state(&sc->state, ICE_STATE_ATTACHING); 85171d10453SEric Joyner } 85271d10453SEric Joyner 85371d10453SEric Joyner /** 85471d10453SEric Joyner * ice_free_irqvs - Free IRQ vector memory 85571d10453SEric Joyner * @sc: the device private softc structure 85671d10453SEric Joyner * 85771d10453SEric Joyner * Free IRQ vector memory allocated during ice_if_msix_intr_assign. 85871d10453SEric Joyner */ 85971d10453SEric Joyner static void 86071d10453SEric Joyner ice_free_irqvs(struct ice_softc *sc) 86171d10453SEric Joyner { 86271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 86371d10453SEric Joyner if_ctx_t ctx = sc->ctx; 86471d10453SEric Joyner int i; 86571d10453SEric Joyner 86671d10453SEric Joyner /* If the irqvs array is NULL, then there are no vectors to free */ 86771d10453SEric Joyner if (sc->irqvs == NULL) 86871d10453SEric Joyner return; 86971d10453SEric Joyner 87071d10453SEric Joyner /* Free the IRQ vectors */ 87171d10453SEric Joyner for (i = 0; i < sc->num_irq_vectors; i++) 87271d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[i].irq); 87371d10453SEric Joyner 87471d10453SEric Joyner /* Clear the irqv pointers */ 87571d10453SEric Joyner for (i = 0; i < vsi->num_rx_queues; i++) 87671d10453SEric Joyner vsi->rx_queues[i].irqv = NULL; 87771d10453SEric Joyner 87871d10453SEric Joyner for (i = 0; i < vsi->num_tx_queues; i++) 87971d10453SEric Joyner vsi->tx_queues[i].irqv = NULL; 88071d10453SEric Joyner 88171d10453SEric Joyner /* Release the vector array memory */ 88271d10453SEric Joyner free(sc->irqvs, M_ICE); 88371d10453SEric Joyner sc->irqvs = NULL; 88471d10453SEric Joyner sc->num_irq_vectors = 0; 88571d10453SEric Joyner } 88671d10453SEric Joyner 88771d10453SEric Joyner /** 88871d10453SEric Joyner * ice_if_detach - Device driver detach logic 88971d10453SEric Joyner * @ctx: iflib context structure 89071d10453SEric Joyner * 89171d10453SEric Joyner * Perform device shutdown logic to detach the device driver. 89271d10453SEric Joyner * 89371d10453SEric Joyner * Note that there is no guarantee of the ordering of ice_if_queues_free() and 89471d10453SEric Joyner * ice_if_detach(). It is possible for the functions to be called in either 89571d10453SEric Joyner * order, and they must not assume to have a strict ordering. 89671d10453SEric Joyner */ 89771d10453SEric Joyner static int 89871d10453SEric Joyner ice_if_detach(if_ctx_t ctx) 89971d10453SEric Joyner { 90071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 90171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 90271d10453SEric Joyner int i; 90371d10453SEric Joyner 90471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 90571d10453SEric Joyner 90671d10453SEric Joyner /* Indicate that we're detaching */ 90771d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DETACHING); 90871d10453SEric Joyner 90971d10453SEric Joyner /* Stop the admin timer */ 91071d10453SEric Joyner mtx_lock(&sc->admin_mtx); 91171d10453SEric Joyner callout_stop(&sc->admin_timer); 91271d10453SEric Joyner mtx_unlock(&sc->admin_mtx); 91371d10453SEric Joyner mtx_destroy(&sc->admin_mtx); 91471d10453SEric Joyner 9158a13362dSEric Joyner ice_rdma_pf_detach(sc); 9168a13362dSEric Joyner 91771d10453SEric Joyner /* Free allocated media types */ 91871d10453SEric Joyner ifmedia_removeall(sc->media); 91971d10453SEric Joyner 92071d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 92171d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_queues_free() 92271d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 92371d10453SEric Joyner * run first 92471d10453SEric Joyner */ 92571d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 92671d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 92771d10453SEric Joyner 92871d10453SEric Joyner /* Release MSI-X resources */ 92971d10453SEric Joyner ice_free_irqvs(sc); 93071d10453SEric Joyner 93171d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 93271d10453SEric Joyner if (sc->all_vsi[i]) 93371d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 93471d10453SEric Joyner } 93571d10453SEric Joyner 93671d10453SEric Joyner if (sc->all_vsi) { 93771d10453SEric Joyner free(sc->all_vsi, M_ICE); 93871d10453SEric Joyner sc->all_vsi = NULL; 93971d10453SEric Joyner } 94071d10453SEric Joyner 94171d10453SEric Joyner /* Release MSI-X memory */ 94271d10453SEric Joyner pci_release_msi(sc->dev); 94371d10453SEric Joyner 94471d10453SEric Joyner if (sc->msix_table != NULL) { 94571d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 94671d10453SEric Joyner rman_get_rid(sc->msix_table), 94771d10453SEric Joyner sc->msix_table); 94871d10453SEric Joyner sc->msix_table = NULL; 94971d10453SEric Joyner } 95071d10453SEric Joyner 95171d10453SEric Joyner ice_free_intr_tracking(sc); 95271d10453SEric Joyner 95371d10453SEric Joyner /* Destroy the queue managers */ 95471d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 95571d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 95671d10453SEric Joyner 95771d10453SEric Joyner if (!ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 95871d10453SEric Joyner ice_deinit_hw(&sc->hw); 95971d10453SEric Joyner 96071d10453SEric Joyner ice_free_pci_mapping(sc); 96171d10453SEric Joyner 96271d10453SEric Joyner return 0; 96371d10453SEric Joyner } /* ice_if_detach */ 96471d10453SEric Joyner 96571d10453SEric Joyner /** 96671d10453SEric Joyner * ice_if_tx_queues_alloc - Allocate Tx queue memory 96771d10453SEric Joyner * @ctx: iflib context structure 96871d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 96971d10453SEric Joyner * @paddrs: physical addresses for the queue memory 97071d10453SEric Joyner * @ntxqs: the number of Tx queues per set (should always be 1) 97171d10453SEric Joyner * @ntxqsets: the number of Tx queue sets to allocate 97271d10453SEric Joyner * 97371d10453SEric Joyner * Called by iflib to allocate Tx queues for the device. Allocates driver 97471d10453SEric Joyner * memory to track each queue, the status arrays used for descriptor 97571d10453SEric Joyner * status reporting, and Tx queue sysctls. 97671d10453SEric Joyner */ 97771d10453SEric Joyner static int 97871d10453SEric Joyner ice_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 97971d10453SEric Joyner int __invariant_only ntxqs, int ntxqsets) 98071d10453SEric Joyner { 98171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 98271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 98371d10453SEric Joyner struct ice_tx_queue *txq; 98471d10453SEric Joyner int err, i, j; 98571d10453SEric Joyner 98671d10453SEric Joyner MPASS(ntxqs == 1); 98771d10453SEric Joyner MPASS(sc->scctx->isc_ntxd[0] <= ICE_MAX_DESC_COUNT); 98871d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 98971d10453SEric Joyner 99071d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 99171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 99271d10453SEric Joyner return (0); 99371d10453SEric Joyner 99471d10453SEric Joyner /* Allocate queue structure memory */ 99571d10453SEric Joyner if (!(vsi->tx_queues = 996*8923de59SPiotr Kubaj (struct ice_tx_queue *) malloc(sizeof(struct ice_tx_queue) * ntxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 99771d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Tx queue memory\n"); 99871d10453SEric Joyner return (ENOMEM); 99971d10453SEric Joyner } 100071d10453SEric Joyner 100171d10453SEric Joyner /* Allocate report status arrays */ 100271d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 100371d10453SEric Joyner if (!(txq->tx_rsq = 1004*8923de59SPiotr Kubaj (uint16_t *) malloc(sizeof(uint16_t) * sc->scctx->isc_ntxd[0], M_ICE, M_NOWAIT))) { 100571d10453SEric Joyner device_printf(sc->dev, "Unable to allocate tx_rsq memory\n"); 100671d10453SEric Joyner err = ENOMEM; 100771d10453SEric Joyner goto free_tx_queues; 100871d10453SEric Joyner } 100971d10453SEric Joyner /* Initialize report status array */ 101071d10453SEric Joyner for (j = 0; j < sc->scctx->isc_ntxd[0]; j++) 101171d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 101271d10453SEric Joyner } 101371d10453SEric Joyner 101471d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 101571d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, ntxqsets); 101671d10453SEric Joyner if (err) { 101771d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 101871d10453SEric Joyner ice_err_str(err)); 101971d10453SEric Joyner goto free_tx_queues; 102071d10453SEric Joyner } 102171d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 102271d10453SEric Joyner 102371d10453SEric Joyner /* Add Tx queue sysctls context */ 102471d10453SEric Joyner ice_vsi_add_txqs_ctx(vsi); 102571d10453SEric Joyner 102671d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 102756429daeSEric Joyner /* q_handle == me when only one TC */ 102856429daeSEric Joyner txq->me = txq->q_handle = i; 102971d10453SEric Joyner txq->vsi = vsi; 103071d10453SEric Joyner 103171d10453SEric Joyner /* store the queue size for easier access */ 103271d10453SEric Joyner txq->desc_count = sc->scctx->isc_ntxd[0]; 103371d10453SEric Joyner 103471d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 103571d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 103671d10453SEric Joyner txq->tx_base = (struct ice_tx_desc *)vaddrs[i]; 103771d10453SEric Joyner txq->tx_paddr = paddrs[i]; 103871d10453SEric Joyner 103971d10453SEric Joyner ice_add_txq_sysctls(txq); 104071d10453SEric Joyner } 104171d10453SEric Joyner 104271d10453SEric Joyner vsi->num_tx_queues = ntxqsets; 104371d10453SEric Joyner 104471d10453SEric Joyner return (0); 104571d10453SEric Joyner 104671d10453SEric Joyner free_tx_queues: 104771d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < ntxqsets; i++, txq++) { 104871d10453SEric Joyner if (txq->tx_rsq != NULL) { 104971d10453SEric Joyner free(txq->tx_rsq, M_ICE); 105071d10453SEric Joyner txq->tx_rsq = NULL; 105171d10453SEric Joyner } 105271d10453SEric Joyner } 105371d10453SEric Joyner free(vsi->tx_queues, M_ICE); 105471d10453SEric Joyner vsi->tx_queues = NULL; 105571d10453SEric Joyner return err; 105671d10453SEric Joyner } 105771d10453SEric Joyner 105871d10453SEric Joyner /** 105971d10453SEric Joyner * ice_if_rx_queues_alloc - Allocate Rx queue memory 106071d10453SEric Joyner * @ctx: iflib context structure 106171d10453SEric Joyner * @vaddrs: virtual addresses for the queue memory 106271d10453SEric Joyner * @paddrs: physical addresses for the queue memory 106371d10453SEric Joyner * @nrxqs: number of Rx queues per set (should always be 1) 106471d10453SEric Joyner * @nrxqsets: number of Rx queue sets to allocate 106571d10453SEric Joyner * 106671d10453SEric Joyner * Called by iflib to allocate Rx queues for the device. Allocates driver 106771d10453SEric Joyner * memory to track each queue, as well as sets up the Rx queue sysctls. 106871d10453SEric Joyner */ 106971d10453SEric Joyner static int 107071d10453SEric Joyner ice_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, 107171d10453SEric Joyner int __invariant_only nrxqs, int nrxqsets) 107271d10453SEric Joyner { 107371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 107471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 107571d10453SEric Joyner struct ice_rx_queue *rxq; 107671d10453SEric Joyner int err, i; 107771d10453SEric Joyner 107871d10453SEric Joyner MPASS(nrxqs == 1); 107971d10453SEric Joyner MPASS(sc->scctx->isc_nrxd[0] <= ICE_MAX_DESC_COUNT); 108071d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 108171d10453SEric Joyner 108271d10453SEric Joyner /* Do not bother allocating queues if we're in recovery mode */ 108371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 108471d10453SEric Joyner return (0); 108571d10453SEric Joyner 108671d10453SEric Joyner /* Allocate queue structure memory */ 108771d10453SEric Joyner if (!(vsi->rx_queues = 1088*8923de59SPiotr Kubaj (struct ice_rx_queue *) malloc(sizeof(struct ice_rx_queue) * nrxqsets, M_ICE, M_NOWAIT | M_ZERO))) { 108971d10453SEric Joyner device_printf(sc->dev, "Unable to allocate Rx queue memory\n"); 109071d10453SEric Joyner return (ENOMEM); 109171d10453SEric Joyner } 109271d10453SEric Joyner 109371d10453SEric Joyner /* Assign queues from PF space to the main VSI */ 109471d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, nrxqsets); 109571d10453SEric Joyner if (err) { 109671d10453SEric Joyner device_printf(sc->dev, "Unable to assign PF queues: %s\n", 109771d10453SEric Joyner ice_err_str(err)); 109871d10453SEric Joyner goto free_rx_queues; 109971d10453SEric Joyner } 110071d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 110171d10453SEric Joyner 110271d10453SEric Joyner /* Add Rx queue sysctls context */ 110371d10453SEric Joyner ice_vsi_add_rxqs_ctx(vsi); 110471d10453SEric Joyner 110571d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < nrxqsets; i++, rxq++) { 110671d10453SEric Joyner rxq->me = i; 110771d10453SEric Joyner rxq->vsi = vsi; 110871d10453SEric Joyner 110971d10453SEric Joyner /* store the queue size for easier access */ 111071d10453SEric Joyner rxq->desc_count = sc->scctx->isc_nrxd[0]; 111171d10453SEric Joyner 111271d10453SEric Joyner /* get the virtual and physical address of the hardware queues */ 111371d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 111471d10453SEric Joyner rxq->rx_base = (union ice_32b_rx_flex_desc *)vaddrs[i]; 111571d10453SEric Joyner rxq->rx_paddr = paddrs[i]; 111671d10453SEric Joyner 111771d10453SEric Joyner ice_add_rxq_sysctls(rxq); 111871d10453SEric Joyner } 111971d10453SEric Joyner 112071d10453SEric Joyner vsi->num_rx_queues = nrxqsets; 112171d10453SEric Joyner 112271d10453SEric Joyner return (0); 112371d10453SEric Joyner 112471d10453SEric Joyner free_rx_queues: 112571d10453SEric Joyner free(vsi->rx_queues, M_ICE); 112671d10453SEric Joyner vsi->rx_queues = NULL; 112771d10453SEric Joyner return err; 112871d10453SEric Joyner } 112971d10453SEric Joyner 113071d10453SEric Joyner /** 113171d10453SEric Joyner * ice_if_queues_free - Free queue memory 113271d10453SEric Joyner * @ctx: the iflib context structure 113371d10453SEric Joyner * 113471d10453SEric Joyner * Free queue memory allocated by ice_if_tx_queues_alloc() and 113571d10453SEric Joyner * ice_if_rx_queues_alloc(). 113671d10453SEric Joyner * 113771d10453SEric Joyner * There is no guarantee that ice_if_queues_free() and ice_if_detach() will be 113871d10453SEric Joyner * called in the same order. It's possible for ice_if_queues_free() to be 113971d10453SEric Joyner * called prior to ice_if_detach(), and vice versa. 114071d10453SEric Joyner * 114171d10453SEric Joyner * For this reason, the main VSI is a static member of the ice_softc, which is 114271d10453SEric Joyner * not free'd until after iflib finishes calling both of these functions. 114371d10453SEric Joyner * 114471d10453SEric Joyner * Thus, care must be taken in how we manage the memory being freed by this 114571d10453SEric Joyner * function, and in what tasks it can and must perform. 114671d10453SEric Joyner */ 114771d10453SEric Joyner static void 114871d10453SEric Joyner ice_if_queues_free(if_ctx_t ctx) 114971d10453SEric Joyner { 115071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 115171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 115271d10453SEric Joyner struct ice_tx_queue *txq; 115371d10453SEric Joyner int i; 115471d10453SEric Joyner 115571d10453SEric Joyner /* Free the Tx and Rx sysctl contexts, and assign NULL to the node 115671d10453SEric Joyner * pointers. Note, the calls here and those in ice_if_detach() 115771d10453SEric Joyner * are *BOTH* necessary, as we cannot guarantee which path will be 115871d10453SEric Joyner * run first 115971d10453SEric Joyner */ 116071d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 116171d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 116271d10453SEric Joyner 116371d10453SEric Joyner /* Release MSI-X IRQ vectors, if not yet released in ice_if_detach */ 116471d10453SEric Joyner ice_free_irqvs(sc); 116571d10453SEric Joyner 116671d10453SEric Joyner if (vsi->tx_queues != NULL) { 116771d10453SEric Joyner /* free the tx_rsq arrays */ 116871d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 116971d10453SEric Joyner if (txq->tx_rsq != NULL) { 117071d10453SEric Joyner free(txq->tx_rsq, M_ICE); 117171d10453SEric Joyner txq->tx_rsq = NULL; 117271d10453SEric Joyner } 117371d10453SEric Joyner } 117471d10453SEric Joyner free(vsi->tx_queues, M_ICE); 117571d10453SEric Joyner vsi->tx_queues = NULL; 117671d10453SEric Joyner vsi->num_tx_queues = 0; 117771d10453SEric Joyner } 117871d10453SEric Joyner if (vsi->rx_queues != NULL) { 117971d10453SEric Joyner free(vsi->rx_queues, M_ICE); 118071d10453SEric Joyner vsi->rx_queues = NULL; 118171d10453SEric Joyner vsi->num_rx_queues = 0; 118271d10453SEric Joyner } 118371d10453SEric Joyner } 118471d10453SEric Joyner 118571d10453SEric Joyner /** 118671d10453SEric Joyner * ice_msix_que - Fast interrupt handler for MSI-X receive queues 118771d10453SEric Joyner * @arg: The Rx queue memory 118871d10453SEric Joyner * 118971d10453SEric Joyner * Interrupt filter function for iflib MSI-X interrupts. Called by iflib when 119071d10453SEric Joyner * an MSI-X interrupt for a given queue is triggered. Currently this just asks 119171d10453SEric Joyner * iflib to schedule the main Rx thread. 119271d10453SEric Joyner */ 119371d10453SEric Joyner static int 119471d10453SEric Joyner ice_msix_que(void *arg) 119571d10453SEric Joyner { 119671d10453SEric Joyner struct ice_rx_queue __unused *rxq = (struct ice_rx_queue *)arg; 119771d10453SEric Joyner 119871d10453SEric Joyner /* TODO: dynamic ITR algorithm?? */ 119971d10453SEric Joyner 120071d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 120171d10453SEric Joyner } 120271d10453SEric Joyner 120371d10453SEric Joyner /** 120471d10453SEric Joyner * ice_msix_admin - Fast interrupt handler for MSI-X admin interrupt 120571d10453SEric Joyner * @arg: pointer to device softc memory 120671d10453SEric Joyner * 120771d10453SEric Joyner * Called by iflib when an administrative interrupt occurs. Should perform any 120871d10453SEric Joyner * fast logic for handling the interrupt cause, and then indicate whether the 120971d10453SEric Joyner * admin task needs to be queued. 121071d10453SEric Joyner */ 121171d10453SEric Joyner static int 121271d10453SEric Joyner ice_msix_admin(void *arg) 121371d10453SEric Joyner { 121471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 121571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 121671d10453SEric Joyner device_t dev = sc->dev; 121771d10453SEric Joyner u32 oicr; 121871d10453SEric Joyner 121971d10453SEric Joyner /* There is no safe way to modify the enabled miscellaneous causes of 122071d10453SEric Joyner * the OICR vector at runtime, as doing so would be prone to race 122171d10453SEric Joyner * conditions. Reading PFINT_OICR will unmask the associated interrupt 122271d10453SEric Joyner * causes and allow future interrupts to occur. The admin interrupt 122371d10453SEric Joyner * vector will not be re-enabled until after we exit this function, 122471d10453SEric Joyner * but any delayed tasks must be resilient against possible "late 122571d10453SEric Joyner * arrival" interrupts that occur while we're already handling the 122671d10453SEric Joyner * task. This is done by using state bits and serializing these 122771d10453SEric Joyner * delayed tasks via the admin status task function. 122871d10453SEric Joyner */ 122971d10453SEric Joyner oicr = rd32(hw, PFINT_OICR); 123071d10453SEric Joyner 123171d10453SEric Joyner /* Processing multiple controlq interrupts on a single vector does not 123271d10453SEric Joyner * provide an indication of which controlq triggered the interrupt. 123371d10453SEric Joyner * We might try reading the INTEVENT bit of the respective PFINT_*_CTL 123471d10453SEric Joyner * registers. However, the INTEVENT bit is not guaranteed to be set as 123571d10453SEric Joyner * it gets automatically cleared when the hardware acknowledges the 123671d10453SEric Joyner * interrupt. 123771d10453SEric Joyner * 123871d10453SEric Joyner * This means we don't really have a good indication of whether or 123971d10453SEric Joyner * which controlq triggered this interrupt. We'll just notify the 124071d10453SEric Joyner * admin task that it should check all the controlqs. 124171d10453SEric Joyner */ 124271d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 124371d10453SEric Joyner 124471d10453SEric Joyner if (oicr & PFINT_OICR_VFLR_M) { 124571d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_VFLR_PENDING); 124671d10453SEric Joyner } 124771d10453SEric Joyner 124871d10453SEric Joyner if (oicr & PFINT_OICR_MAL_DETECT_M) { 124971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_MDD_PENDING); 125071d10453SEric Joyner } 125171d10453SEric Joyner 125271d10453SEric Joyner if (oicr & PFINT_OICR_GRST_M) { 125371d10453SEric Joyner u32 reset; 125471d10453SEric Joyner 125571d10453SEric Joyner reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 125671d10453SEric Joyner GLGEN_RSTAT_RESET_TYPE_S; 125771d10453SEric Joyner 125871d10453SEric Joyner if (reset == ICE_RESET_CORER) 125971d10453SEric Joyner sc->soft_stats.corer_count++; 126071d10453SEric Joyner else if (reset == ICE_RESET_GLOBR) 126171d10453SEric Joyner sc->soft_stats.globr_count++; 126271d10453SEric Joyner else 126371d10453SEric Joyner sc->soft_stats.empr_count++; 126471d10453SEric Joyner 126571d10453SEric Joyner /* There are a couple of bits at play for handling resets. 126671d10453SEric Joyner * First, the ICE_STATE_RESET_OICR_RECV bit is used to 126771d10453SEric Joyner * indicate that the driver has received an OICR with a reset 126871d10453SEric Joyner * bit active, indicating that a CORER/GLOBR/EMPR is about to 126971d10453SEric Joyner * happen. Second, we set hw->reset_ongoing to indicate that 127071d10453SEric Joyner * the hardware is in reset. We will set this back to false as 127171d10453SEric Joyner * soon as the driver has determined that the hardware is out 127271d10453SEric Joyner * of reset. 127371d10453SEric Joyner * 1274b6f9c6aaSGordon Bergling * If the driver wishes to trigger a request, it can set one of 127571d10453SEric Joyner * the ICE_STATE_RESET_*_REQ bits, which will trigger the 127671d10453SEric Joyner * correct type of reset. 127771d10453SEric Joyner */ 127871d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 127971d10453SEric Joyner hw->reset_ongoing = true; 128071d10453SEric Joyner } 128171d10453SEric Joyner 128271d10453SEric Joyner if (oicr & PFINT_OICR_ECC_ERR_M) { 128371d10453SEric Joyner device_printf(dev, "ECC Error detected!\n"); 128471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 128571d10453SEric Joyner } 128671d10453SEric Joyner 128771d10453SEric Joyner if (oicr & PFINT_OICR_PE_CRITERR_M) { 128871d10453SEric Joyner device_printf(dev, "Critical Protocol Engine Error detected!\n"); 128971d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 129071d10453SEric Joyner } 129171d10453SEric Joyner 129271d10453SEric Joyner if (oicr & PFINT_OICR_PCI_EXCEPTION_M) { 129371d10453SEric Joyner device_printf(dev, "PCI Exception detected!\n"); 129471d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 129571d10453SEric Joyner } 129671d10453SEric Joyner 129771d10453SEric Joyner if (oicr & PFINT_OICR_HMC_ERR_M) { 129871d10453SEric Joyner /* Log the HMC errors, but don't disable the interrupt cause */ 129971d10453SEric Joyner ice_log_hmc_error(hw, dev); 130071d10453SEric Joyner } 130171d10453SEric Joyner 130271d10453SEric Joyner return (FILTER_SCHEDULE_THREAD); 130371d10453SEric Joyner } 130471d10453SEric Joyner 130571d10453SEric Joyner /** 130671d10453SEric Joyner * ice_allocate_msix - Allocate MSI-X vectors for the interface 130771d10453SEric Joyner * @sc: the device private softc 130871d10453SEric Joyner * 130971d10453SEric Joyner * Map the MSI-X bar, and then request MSI-X vectors in a two-stage process. 131071d10453SEric Joyner * 131171d10453SEric Joyner * First, determine a suitable total number of vectors based on the number 131271d10453SEric Joyner * of CPUs, RSS buckets, the administrative vector, and other demands such as 131371d10453SEric Joyner * RDMA. 131471d10453SEric Joyner * 131571d10453SEric Joyner * Request the desired amount of vectors, and see how many we obtain. If we 131671d10453SEric Joyner * don't obtain as many as desired, reduce the demands by lowering the number 131771d10453SEric Joyner * of requested queues or reducing the demand from other features such as 131871d10453SEric Joyner * RDMA. 131971d10453SEric Joyner * 132071d10453SEric Joyner * @remark This function is required because the driver sets the 132171d10453SEric Joyner * IFLIB_SKIP_MSIX flag indicating that the driver will manage MSI-X vectors 132271d10453SEric Joyner * manually. 132371d10453SEric Joyner * 132471d10453SEric Joyner * @remark This driver will only use MSI-X vectors. If this is not possible, 132571d10453SEric Joyner * neither MSI or legacy interrupts will be tried. 132671d10453SEric Joyner * 132771d10453SEric Joyner * @post on success this function must set the following scctx parameters: 132871d10453SEric Joyner * isc_vectors, isc_nrxqsets, isc_ntxqsets, and isc_intr. 132971d10453SEric Joyner * 133071d10453SEric Joyner * @returns zero on success or an error code on failure. 133171d10453SEric Joyner */ 133271d10453SEric Joyner static int 133371d10453SEric Joyner ice_allocate_msix(struct ice_softc *sc) 133471d10453SEric Joyner { 133571d10453SEric Joyner bool iflib_override_queue_count = false; 133671d10453SEric Joyner if_softc_ctx_t scctx = sc->scctx; 133771d10453SEric Joyner device_t dev = sc->dev; 133871d10453SEric Joyner cpuset_t cpus; 133971d10453SEric Joyner int bar, queues, vectors, requested; 134071d10453SEric Joyner int err = 0; 13418a13362dSEric Joyner int rdma; 134271d10453SEric Joyner 134371d10453SEric Joyner /* Allocate the MSI-X bar */ 134471d10453SEric Joyner bar = scctx->isc_msix_bar; 134571d10453SEric Joyner sc->msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &bar, RF_ACTIVE); 134671d10453SEric Joyner if (!sc->msix_table) { 134771d10453SEric Joyner device_printf(dev, "Unable to map MSI-X table\n"); 134871d10453SEric Joyner return (ENOMEM); 134971d10453SEric Joyner } 135071d10453SEric Joyner 135171d10453SEric Joyner /* Check if the iflib queue count sysctls have been set */ 135271d10453SEric Joyner if (sc->ifc_sysctl_ntxqs || sc->ifc_sysctl_nrxqs) 135371d10453SEric Joyner iflib_override_queue_count = true; 135471d10453SEric Joyner 135571d10453SEric Joyner err = bus_get_cpus(dev, INTR_CPUS, sizeof(cpus), &cpus); 135671d10453SEric Joyner if (err) { 135771d10453SEric Joyner device_printf(dev, "%s: Unable to fetch the CPU list: %s\n", 135871d10453SEric Joyner __func__, ice_err_str(err)); 135971d10453SEric Joyner CPU_COPY(&all_cpus, &cpus); 136071d10453SEric Joyner } 136171d10453SEric Joyner 136271d10453SEric Joyner /* Attempt to mimic behavior of iflib_msix_init */ 136371d10453SEric Joyner if (iflib_override_queue_count) { 136471d10453SEric Joyner /* 136571d10453SEric Joyner * If the override sysctls have been set, limit the queues to 136671d10453SEric Joyner * the number of logical CPUs. 136771d10453SEric Joyner */ 136871d10453SEric Joyner queues = mp_ncpus; 136971d10453SEric Joyner } else { 137071d10453SEric Joyner /* 137171d10453SEric Joyner * Otherwise, limit the queue count to the CPUs associated 137271d10453SEric Joyner * with the NUMA node the device is associated with. 137371d10453SEric Joyner */ 137471d10453SEric Joyner queues = CPU_COUNT(&cpus); 137571d10453SEric Joyner } 137671d10453SEric Joyner 137771d10453SEric Joyner /* Clamp to the number of RSS buckets */ 137871d10453SEric Joyner queues = imin(queues, rss_getnumbuckets()); 137971d10453SEric Joyner 138071d10453SEric Joyner /* 138171d10453SEric Joyner * Clamp the number of queue pairs to the minimum of the requested Tx 138271d10453SEric Joyner * and Rx queues. 138371d10453SEric Joyner */ 138471d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_ntxqs ?: scctx->isc_ntxqsets); 138571d10453SEric Joyner queues = imin(queues, sc->ifc_sysctl_nrxqs ?: scctx->isc_nrxqsets); 138671d10453SEric Joyner 13878a13362dSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RDMA)) { 13888a13362dSEric Joyner /* 13898a13362dSEric Joyner * Choose a number of RDMA vectors based on the number of CPUs 13908a13362dSEric Joyner * up to a maximum 13918a13362dSEric Joyner */ 13928a13362dSEric Joyner rdma = min(CPU_COUNT(&cpus), ICE_RDMA_MAX_MSIX); 13938a13362dSEric Joyner 13948a13362dSEric Joyner /* Further limit by the user configurable tunable */ 13958a13362dSEric Joyner rdma = min(rdma, ice_rdma_max_msix); 13968a13362dSEric Joyner } else { 13978a13362dSEric Joyner rdma = 0; 13988a13362dSEric Joyner } 13998a13362dSEric Joyner 140071d10453SEric Joyner /* 140171d10453SEric Joyner * Determine the number of vectors to request. Note that we also need 140271d10453SEric Joyner * to allocate one vector for administrative tasks. 140371d10453SEric Joyner */ 14048a13362dSEric Joyner requested = rdma + queues + 1; 140571d10453SEric Joyner 140671d10453SEric Joyner vectors = requested; 140771d10453SEric Joyner 140871d10453SEric Joyner err = pci_alloc_msix(dev, &vectors); 140971d10453SEric Joyner if (err) { 141071d10453SEric Joyner device_printf(dev, "Failed to allocate %d MSI-X vectors, err %s\n", 141171d10453SEric Joyner vectors, ice_err_str(err)); 141271d10453SEric Joyner goto err_free_msix_table; 141371d10453SEric Joyner } 141471d10453SEric Joyner 141571d10453SEric Joyner /* If we don't receive enough vectors, reduce demands */ 141671d10453SEric Joyner if (vectors < requested) { 141771d10453SEric Joyner int diff = requested - vectors; 141871d10453SEric Joyner 141971d10453SEric Joyner device_printf(dev, "Requested %d MSI-X vectors, but got only %d\n", 142071d10453SEric Joyner requested, vectors); 142171d10453SEric Joyner 142271d10453SEric Joyner /* 14238a13362dSEric Joyner * The OS didn't grant us the requested number of vectors. 14248a13362dSEric Joyner * Check to see if we can reduce demands by limiting the 14258a13362dSEric Joyner * number of vectors allocated to certain features. 14268a13362dSEric Joyner */ 14278a13362dSEric Joyner 14288a13362dSEric Joyner if (rdma >= diff) { 14298a13362dSEric Joyner /* Reduce the number of RDMA vectors we reserve */ 14308a13362dSEric Joyner rdma -= diff; 14318a13362dSEric Joyner diff = 0; 14328a13362dSEric Joyner } else { 14338a13362dSEric Joyner /* Disable RDMA and reduce the difference */ 14348a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 14358a13362dSEric Joyner diff -= rdma; 14368a13362dSEric Joyner rdma = 0; 14378a13362dSEric Joyner } 14388a13362dSEric Joyner 14398a13362dSEric Joyner /* 144071d10453SEric Joyner * If we still have a difference, we need to reduce the number 144171d10453SEric Joyner * of queue pairs. 144271d10453SEric Joyner * 144371d10453SEric Joyner * However, we still need at least one vector for the admin 144471d10453SEric Joyner * interrupt and one queue pair. 144571d10453SEric Joyner */ 144671d10453SEric Joyner if (queues <= diff) { 144771d10453SEric Joyner device_printf(dev, "Unable to allocate sufficient MSI-X vectors\n"); 144871d10453SEric Joyner err = (ERANGE); 144971d10453SEric Joyner goto err_pci_release_msi; 145071d10453SEric Joyner } 145171d10453SEric Joyner 145271d10453SEric Joyner queues -= diff; 145371d10453SEric Joyner } 145471d10453SEric Joyner 145571d10453SEric Joyner device_printf(dev, "Using %d Tx and Rx queues\n", queues); 14568a13362dSEric Joyner if (rdma) 14578a13362dSEric Joyner device_printf(dev, "Reserving %d MSI-X interrupts for iRDMA\n", 14588a13362dSEric Joyner rdma); 145971d10453SEric Joyner device_printf(dev, "Using MSI-X interrupts with %d vectors\n", 146071d10453SEric Joyner vectors); 146171d10453SEric Joyner 146271d10453SEric Joyner scctx->isc_vectors = vectors; 146371d10453SEric Joyner scctx->isc_nrxqsets = queues; 146471d10453SEric Joyner scctx->isc_ntxqsets = queues; 146571d10453SEric Joyner scctx->isc_intr = IFLIB_INTR_MSIX; 146671d10453SEric Joyner 14678a13362dSEric Joyner sc->irdma_vectors = rdma; 14688a13362dSEric Joyner 146971d10453SEric Joyner /* Interrupt allocation tracking isn't required in recovery mode, 147071d10453SEric Joyner * since neither RDMA nor VFs are enabled. 147171d10453SEric Joyner */ 147271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 147371d10453SEric Joyner return (0); 147471d10453SEric Joyner 147571d10453SEric Joyner /* Keep track of which interrupt indices are being used for what */ 14768a13362dSEric Joyner sc->lan_vectors = vectors - rdma; 147771d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->imgr, sc->pf_imap, sc->lan_vectors); 147871d10453SEric Joyner if (err) { 147971d10453SEric Joyner device_printf(dev, "Unable to assign PF interrupt mapping: %s\n", 148071d10453SEric Joyner ice_err_str(err)); 148171d10453SEric Joyner goto err_pci_release_msi; 148271d10453SEric Joyner } 14838a13362dSEric Joyner err = ice_resmgr_assign_contiguous(&sc->imgr, sc->rdma_imap, rdma); 14848a13362dSEric Joyner if (err) { 14858a13362dSEric Joyner device_printf(dev, "Unable to assign PF RDMA interrupt mapping: %s\n", 14868a13362dSEric Joyner ice_err_str(err)); 14878a13362dSEric Joyner ice_resmgr_release_map(&sc->imgr, sc->pf_imap, 14888a13362dSEric Joyner sc->lan_vectors); 14898a13362dSEric Joyner goto err_pci_release_msi; 14908a13362dSEric Joyner } 149171d10453SEric Joyner 149271d10453SEric Joyner return (0); 149371d10453SEric Joyner 149471d10453SEric Joyner err_pci_release_msi: 149571d10453SEric Joyner pci_release_msi(dev); 149671d10453SEric Joyner err_free_msix_table: 149771d10453SEric Joyner if (sc->msix_table != NULL) { 149871d10453SEric Joyner bus_release_resource(sc->dev, SYS_RES_MEMORY, 149971d10453SEric Joyner rman_get_rid(sc->msix_table), 150071d10453SEric Joyner sc->msix_table); 150171d10453SEric Joyner sc->msix_table = NULL; 150271d10453SEric Joyner } 150371d10453SEric Joyner 150471d10453SEric Joyner return (err); 150571d10453SEric Joyner } 150671d10453SEric Joyner 150771d10453SEric Joyner /** 150871d10453SEric Joyner * ice_if_msix_intr_assign - Assign MSI-X interrupt vectors to queues 150971d10453SEric Joyner * @ctx: the iflib context structure 151071d10453SEric Joyner * @msix: the number of vectors we were assigned 151171d10453SEric Joyner * 151271d10453SEric Joyner * Called by iflib to assign MSI-X vectors to queues. Currently requires that 151371d10453SEric Joyner * we get at least the same number of vectors as we have queues, and that we 151471d10453SEric Joyner * always have the same number of Tx and Rx queues. 151571d10453SEric Joyner * 151671d10453SEric Joyner * Tx queues use a softirq instead of using their own hardware interrupt. 151771d10453SEric Joyner */ 151871d10453SEric Joyner static int 151971d10453SEric Joyner ice_if_msix_intr_assign(if_ctx_t ctx, int msix) 152071d10453SEric Joyner { 152171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 152271d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 152371d10453SEric Joyner int err, i, vector; 152471d10453SEric Joyner 152571d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 152671d10453SEric Joyner 152771d10453SEric Joyner if (vsi->num_rx_queues != vsi->num_tx_queues) { 152871d10453SEric Joyner device_printf(sc->dev, 152971d10453SEric 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", 153071d10453SEric Joyner vsi->num_tx_queues, vsi->num_rx_queues); 153171d10453SEric Joyner return (EOPNOTSUPP); 153271d10453SEric Joyner } 153371d10453SEric Joyner 153471d10453SEric Joyner if (msix < (vsi->num_rx_queues + 1)) { 153571d10453SEric Joyner device_printf(sc->dev, 153671d10453SEric Joyner "Not enough MSI-X vectors to assign one vector to each queue pair\n"); 153771d10453SEric Joyner return (EOPNOTSUPP); 153871d10453SEric Joyner } 153971d10453SEric Joyner 154071d10453SEric Joyner /* Save the number of vectors for future use */ 154171d10453SEric Joyner sc->num_irq_vectors = vsi->num_rx_queues + 1; 154271d10453SEric Joyner 154371d10453SEric Joyner /* Allocate space to store the IRQ vector data */ 154471d10453SEric Joyner if (!(sc->irqvs = 154571d10453SEric Joyner (struct ice_irq_vector *) malloc(sizeof(struct ice_irq_vector) * (sc->num_irq_vectors), 154671d10453SEric Joyner M_ICE, M_NOWAIT))) { 154771d10453SEric Joyner device_printf(sc->dev, 154871d10453SEric Joyner "Unable to allocate irqv memory\n"); 154971d10453SEric Joyner return (ENOMEM); 155071d10453SEric Joyner } 155171d10453SEric Joyner 155271d10453SEric Joyner /* Administrative interrupt events will use vector 0 */ 155371d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[0].irq, 1, IFLIB_INTR_ADMIN, 155471d10453SEric Joyner ice_msix_admin, sc, 0, "admin"); 155571d10453SEric Joyner if (err) { 155671d10453SEric Joyner device_printf(sc->dev, 155771d10453SEric Joyner "Failed to register Admin queue handler: %s\n", 155871d10453SEric Joyner ice_err_str(err)); 155971d10453SEric Joyner goto free_irqvs; 156071d10453SEric Joyner } 156171d10453SEric Joyner sc->irqvs[0].me = 0; 156271d10453SEric Joyner 156371d10453SEric Joyner /* Do not allocate queue interrupts when in recovery mode */ 156471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 156571d10453SEric Joyner return (0); 156671d10453SEric Joyner 156771d10453SEric Joyner for (i = 0, vector = 1; i < vsi->num_rx_queues; i++, vector++) { 156871d10453SEric Joyner struct ice_rx_queue *rxq = &vsi->rx_queues[i]; 156971d10453SEric Joyner struct ice_tx_queue *txq = &vsi->tx_queues[i]; 157071d10453SEric Joyner int rid = vector + 1; 157171d10453SEric Joyner char irq_name[16]; 157271d10453SEric Joyner 157371d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "rxq%d", i); 157471d10453SEric Joyner err = iflib_irq_alloc_generic(ctx, &sc->irqvs[vector].irq, rid, 157581be6552SMatt Macy IFLIB_INTR_RXTX, ice_msix_que, 157671d10453SEric Joyner rxq, rxq->me, irq_name); 157771d10453SEric Joyner if (err) { 157871d10453SEric Joyner device_printf(sc->dev, 157971d10453SEric Joyner "Failed to allocate q int %d err: %s\n", 158071d10453SEric Joyner i, ice_err_str(err)); 158171d10453SEric Joyner vector--; 158271d10453SEric Joyner i--; 158371d10453SEric Joyner goto fail; 158471d10453SEric Joyner } 158571d10453SEric Joyner sc->irqvs[vector].me = vector; 158671d10453SEric Joyner rxq->irqv = &sc->irqvs[vector]; 158771d10453SEric Joyner 158871d10453SEric Joyner bzero(irq_name, sizeof(irq_name)); 158971d10453SEric Joyner 159071d10453SEric Joyner snprintf(irq_name, sizeof(irq_name), "txq%d", i); 159171d10453SEric Joyner iflib_softirq_alloc_generic(ctx, &sc->irqvs[vector].irq, 159271d10453SEric Joyner IFLIB_INTR_TX, txq, 159371d10453SEric Joyner txq->me, irq_name); 159471d10453SEric Joyner txq->irqv = &sc->irqvs[vector]; 159571d10453SEric Joyner } 159671d10453SEric Joyner 159771d10453SEric Joyner return (0); 159871d10453SEric Joyner fail: 159971d10453SEric Joyner for (; i >= 0; i--, vector--) 160071d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[vector].irq); 160171d10453SEric Joyner iflib_irq_free(ctx, &sc->irqvs[0].irq); 160271d10453SEric Joyner free_irqvs: 160371d10453SEric Joyner free(sc->irqvs, M_ICE); 160471d10453SEric Joyner sc->irqvs = NULL; 160571d10453SEric Joyner return err; 160671d10453SEric Joyner } 160771d10453SEric Joyner 160871d10453SEric Joyner /** 160971d10453SEric Joyner * ice_if_mtu_set - Set the device MTU 161071d10453SEric Joyner * @ctx: iflib context structure 161171d10453SEric Joyner * @mtu: the MTU requested 161271d10453SEric Joyner * 161371d10453SEric Joyner * Called by iflib to configure the device's Maximum Transmission Unit (MTU). 161471d10453SEric Joyner * 161571d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 161671d10453SEric Joyner */ 161771d10453SEric Joyner static int 161871d10453SEric Joyner ice_if_mtu_set(if_ctx_t ctx, uint32_t mtu) 161971d10453SEric Joyner { 162071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 162171d10453SEric Joyner 162271d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 162371d10453SEric Joyner 162471d10453SEric Joyner /* Do not support configuration when in recovery mode */ 162571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 162671d10453SEric Joyner return (ENOSYS); 162771d10453SEric Joyner 162871d10453SEric Joyner if (mtu < ICE_MIN_MTU || mtu > ICE_MAX_MTU) 162971d10453SEric Joyner return (EINVAL); 163071d10453SEric Joyner 163171d10453SEric Joyner sc->scctx->isc_max_frame_size = mtu + 163271d10453SEric Joyner ETHER_HDR_LEN + ETHER_CRC_LEN + ETHER_VLAN_ENCAP_LEN; 163371d10453SEric Joyner 163471d10453SEric Joyner sc->pf_vsi.max_frame_size = sc->scctx->isc_max_frame_size; 163571d10453SEric Joyner 163671d10453SEric Joyner return (0); 163771d10453SEric Joyner } 163871d10453SEric Joyner 163971d10453SEric Joyner /** 164071d10453SEric Joyner * ice_if_intr_enable - Enable device interrupts 164171d10453SEric Joyner * @ctx: iflib context structure 164271d10453SEric Joyner * 164371d10453SEric Joyner * Called by iflib to request enabling device interrupts. 164471d10453SEric Joyner */ 164571d10453SEric Joyner static void 164671d10453SEric Joyner ice_if_intr_enable(if_ctx_t ctx) 164771d10453SEric Joyner { 164871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 164971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 165071d10453SEric Joyner struct ice_hw *hw = &sc->hw; 165171d10453SEric Joyner 165271d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 165371d10453SEric Joyner 165471d10453SEric Joyner /* Enable ITR 0 */ 165571d10453SEric Joyner ice_enable_intr(hw, sc->irqvs[0].me); 165671d10453SEric Joyner 165771d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 165871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 165971d10453SEric Joyner return; 166071d10453SEric Joyner 166171d10453SEric Joyner /* Enable all queue interrupts */ 166271d10453SEric Joyner for (int i = 0; i < vsi->num_rx_queues; i++) 166371d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[i].irqv->me); 166471d10453SEric Joyner } 166571d10453SEric Joyner 166671d10453SEric Joyner /** 166771d10453SEric Joyner * ice_if_intr_disable - Disable device interrupts 166871d10453SEric Joyner * @ctx: iflib context structure 166971d10453SEric Joyner * 167071d10453SEric Joyner * Called by iflib to request disabling device interrupts. 167171d10453SEric Joyner */ 167271d10453SEric Joyner static void 167371d10453SEric Joyner ice_if_intr_disable(if_ctx_t ctx) 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 unsigned int i; 167871d10453SEric Joyner 167971d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 168071d10453SEric Joyner 168171d10453SEric Joyner /* IFDI_INTR_DISABLE may be called prior to interrupts actually being 168271d10453SEric Joyner * assigned to queues. Instead of assuming that the interrupt 168371d10453SEric Joyner * assignment in the rx_queues structure is valid, just disable all 168471d10453SEric Joyner * possible interrupts 168571d10453SEric Joyner * 168671d10453SEric Joyner * Note that we choose not to disable ITR 0 because this handles the 168771d10453SEric Joyner * AdminQ interrupts, and we want to keep processing these even when 168871d10453SEric Joyner * the interface is offline. 168971d10453SEric Joyner */ 169071d10453SEric Joyner for (i = 1; i < hw->func_caps.common_cap.num_msix_vectors; i++) 169171d10453SEric Joyner ice_disable_intr(hw, i); 169271d10453SEric Joyner } 169371d10453SEric Joyner 169471d10453SEric Joyner /** 169571d10453SEric Joyner * ice_if_rx_queue_intr_enable - Enable a specific Rx queue interrupt 169671d10453SEric Joyner * @ctx: iflib context structure 169771d10453SEric Joyner * @rxqid: the Rx queue to enable 169871d10453SEric Joyner * 169971d10453SEric Joyner * Enable a specific Rx queue interrupt. 170071d10453SEric Joyner * 170171d10453SEric Joyner * This function is not protected by the iflib CTX lock. 170271d10453SEric Joyner */ 170371d10453SEric Joyner static int 170471d10453SEric Joyner ice_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid) 170571d10453SEric Joyner { 170671d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 170771d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 170871d10453SEric Joyner struct ice_hw *hw = &sc->hw; 170971d10453SEric Joyner 171071d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 171171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 171271d10453SEric Joyner return (ENOSYS); 171371d10453SEric Joyner 171471d10453SEric Joyner ice_enable_intr(hw, vsi->rx_queues[rxqid].irqv->me); 171571d10453SEric Joyner return (0); 171671d10453SEric Joyner } 171771d10453SEric Joyner 171871d10453SEric Joyner /** 171971d10453SEric Joyner * ice_if_tx_queue_intr_enable - Enable a specific Tx queue interrupt 172071d10453SEric Joyner * @ctx: iflib context structure 172171d10453SEric Joyner * @txqid: the Tx queue to enable 172271d10453SEric Joyner * 172371d10453SEric Joyner * Enable a specific Tx queue interrupt. 172471d10453SEric Joyner * 172571d10453SEric Joyner * This function is not protected by the iflib CTX lock. 172671d10453SEric Joyner */ 172771d10453SEric Joyner static int 172871d10453SEric Joyner ice_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid) 172971d10453SEric Joyner { 173071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 173171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 173271d10453SEric Joyner struct ice_hw *hw = &sc->hw; 173371d10453SEric Joyner 173471d10453SEric Joyner /* Do not enable queue interrupts in recovery mode */ 173571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 173671d10453SEric Joyner return (ENOSYS); 173771d10453SEric Joyner 173871d10453SEric Joyner ice_enable_intr(hw, vsi->tx_queues[txqid].irqv->me); 173971d10453SEric Joyner return (0); 174071d10453SEric Joyner } 174171d10453SEric Joyner 174271d10453SEric Joyner /** 174371d10453SEric Joyner * ice_if_promisc_set - Set device promiscuous mode 174471d10453SEric Joyner * @ctx: iflib context structure 174571d10453SEric Joyner * @flags: promiscuous flags to configure 174671d10453SEric Joyner * 174771d10453SEric Joyner * Called by iflib to configure device promiscuous mode. 174871d10453SEric Joyner * 174971d10453SEric Joyner * @remark Calls to this function will always overwrite the previous setting 175071d10453SEric Joyner */ 175171d10453SEric Joyner static int 175271d10453SEric Joyner ice_if_promisc_set(if_ctx_t ctx, int flags) 175371d10453SEric Joyner { 175471d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 175571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 175671d10453SEric Joyner device_t dev = sc->dev; 175771d10453SEric Joyner enum ice_status status; 175871d10453SEric Joyner bool promisc_enable = flags & IFF_PROMISC; 175971d10453SEric Joyner bool multi_enable = flags & IFF_ALLMULTI; 176071d10453SEric Joyner 176171d10453SEric Joyner /* Do not support configuration when in recovery mode */ 176271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 176371d10453SEric Joyner return (ENOSYS); 176471d10453SEric Joyner 176571d10453SEric Joyner if (multi_enable) 176671d10453SEric Joyner return (EOPNOTSUPP); 176771d10453SEric Joyner 176871d10453SEric Joyner if (promisc_enable) { 176971d10453SEric Joyner status = ice_set_vsi_promisc(hw, sc->pf_vsi.idx, 177071d10453SEric Joyner ICE_VSI_PROMISC_MASK, 0); 177171d10453SEric Joyner if (status && status != ICE_ERR_ALREADY_EXISTS) { 177271d10453SEric Joyner device_printf(dev, 177371d10453SEric Joyner "Failed to enable promiscuous mode for PF VSI, err %s aq_err %s\n", 177471d10453SEric Joyner ice_status_str(status), 177571d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 177671d10453SEric Joyner return (EIO); 177771d10453SEric Joyner } 177871d10453SEric Joyner } else { 177971d10453SEric Joyner status = ice_clear_vsi_promisc(hw, sc->pf_vsi.idx, 178071d10453SEric Joyner ICE_VSI_PROMISC_MASK, 0); 178171d10453SEric Joyner if (status) { 178271d10453SEric Joyner device_printf(dev, 178371d10453SEric Joyner "Failed to disable promiscuous mode for PF VSI, err %s aq_err %s\n", 178471d10453SEric Joyner ice_status_str(status), 178571d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 178671d10453SEric Joyner return (EIO); 178771d10453SEric Joyner } 178871d10453SEric Joyner } 178971d10453SEric Joyner 179071d10453SEric Joyner return (0); 179171d10453SEric Joyner } 179271d10453SEric Joyner 179371d10453SEric Joyner /** 179471d10453SEric Joyner * ice_if_media_change - Change device media 179571d10453SEric Joyner * @ctx: device ctx structure 179671d10453SEric Joyner * 179771d10453SEric Joyner * Called by iflib when a media change is requested. This operation is not 179871d10453SEric Joyner * supported by the hardware, so we just return an error code. 179971d10453SEric Joyner */ 180071d10453SEric Joyner static int 180171d10453SEric Joyner ice_if_media_change(if_ctx_t ctx) 180271d10453SEric Joyner { 180371d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 180471d10453SEric Joyner 180571d10453SEric Joyner device_printf(sc->dev, "Media change is not supported.\n"); 180671d10453SEric Joyner return (ENODEV); 180771d10453SEric Joyner } 180871d10453SEric Joyner 180971d10453SEric Joyner /** 181071d10453SEric Joyner * ice_if_media_status - Report current device media 181171d10453SEric Joyner * @ctx: iflib context structure 181271d10453SEric Joyner * @ifmr: ifmedia request structure to update 181371d10453SEric Joyner * 181471d10453SEric Joyner * Updates the provided ifmr with current device media status, including link 181571d10453SEric Joyner * status and media type. 181671d10453SEric Joyner */ 181771d10453SEric Joyner static void 181871d10453SEric Joyner ice_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr) 181971d10453SEric Joyner { 182071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 182171d10453SEric Joyner struct ice_link_status *li = &sc->hw.port_info->phy.link_info; 182271d10453SEric Joyner 182371d10453SEric Joyner ifmr->ifm_status = IFM_AVALID; 182471d10453SEric Joyner ifmr->ifm_active = IFM_ETHER; 182571d10453SEric Joyner 182671d10453SEric Joyner /* Never report link up or media types when in recovery mode */ 182771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 182871d10453SEric Joyner return; 182971d10453SEric Joyner 183071d10453SEric Joyner if (!sc->link_up) 183171d10453SEric Joyner return; 183271d10453SEric Joyner 183371d10453SEric Joyner ifmr->ifm_status |= IFM_ACTIVE; 183471d10453SEric Joyner ifmr->ifm_active |= IFM_FDX; 183571d10453SEric Joyner 183671d10453SEric Joyner if (li->phy_type_low) 183771d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_low(li->phy_type_low); 183871d10453SEric Joyner else if (li->phy_type_high) 183971d10453SEric Joyner ifmr->ifm_active |= ice_get_phy_type_high(li->phy_type_high); 184071d10453SEric Joyner else 184171d10453SEric Joyner ifmr->ifm_active |= IFM_UNKNOWN; 184271d10453SEric Joyner 184371d10453SEric Joyner /* Report flow control status as well */ 184471d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_TX) 184571d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_TXPAUSE; 184671d10453SEric Joyner if (li->an_info & ICE_AQ_LINK_PAUSE_RX) 184771d10453SEric Joyner ifmr->ifm_active |= IFM_ETH_RXPAUSE; 184871d10453SEric Joyner } 184971d10453SEric Joyner 185071d10453SEric Joyner /** 185171d10453SEric Joyner * ice_init_tx_tracking - Initialize Tx queue software tracking values 185271d10453SEric Joyner * @vsi: the VSI to initialize 185371d10453SEric Joyner * 185471d10453SEric Joyner * Initialize Tx queue software tracking values, including the Report Status 185571d10453SEric Joyner * queue, and related software tracking values. 185671d10453SEric Joyner */ 185771d10453SEric Joyner static void 185871d10453SEric Joyner ice_init_tx_tracking(struct ice_vsi *vsi) 185971d10453SEric Joyner { 186071d10453SEric Joyner struct ice_tx_queue *txq; 186171d10453SEric Joyner size_t j; 186271d10453SEric Joyner int i; 186371d10453SEric Joyner 186471d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { 186571d10453SEric Joyner 186671d10453SEric Joyner txq->tx_rs_cidx = txq->tx_rs_pidx = 0; 186771d10453SEric Joyner 186871d10453SEric Joyner /* Initialize the last processed descriptor to be the end of 186971d10453SEric Joyner * the ring, rather than the start, so that we avoid an 187071d10453SEric Joyner * off-by-one error in ice_ift_txd_credits_update for the 187171d10453SEric Joyner * first packet. 187271d10453SEric Joyner */ 187371d10453SEric Joyner txq->tx_cidx_processed = txq->desc_count - 1; 187471d10453SEric Joyner 187571d10453SEric Joyner for (j = 0; j < txq->desc_count; j++) 187671d10453SEric Joyner txq->tx_rsq[j] = QIDX_INVALID; 187771d10453SEric Joyner } 187871d10453SEric Joyner } 187971d10453SEric Joyner 188071d10453SEric Joyner /** 188171d10453SEric Joyner * ice_update_rx_mbuf_sz - Update the Rx buffer size for all queues 188271d10453SEric Joyner * @sc: the device softc 188371d10453SEric Joyner * 188471d10453SEric Joyner * Called to update the Rx queue mbuf_sz parameter for configuring the receive 188571d10453SEric Joyner * buffer sizes when programming hardware. 188671d10453SEric Joyner */ 188771d10453SEric Joyner static void 188871d10453SEric Joyner ice_update_rx_mbuf_sz(struct ice_softc *sc) 188971d10453SEric Joyner { 189071d10453SEric Joyner uint32_t mbuf_sz = iflib_get_rx_mbuf_sz(sc->ctx); 189171d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 189271d10453SEric Joyner 189371d10453SEric Joyner MPASS(mbuf_sz <= UINT16_MAX); 189471d10453SEric Joyner vsi->mbuf_sz = mbuf_sz; 189571d10453SEric Joyner } 189671d10453SEric Joyner 189771d10453SEric Joyner /** 189871d10453SEric Joyner * ice_if_init - Initialize the device 189971d10453SEric Joyner * @ctx: iflib ctx structure 190071d10453SEric Joyner * 190171d10453SEric Joyner * Called by iflib to bring the device up, i.e. ifconfig ice0 up. Initializes 190271d10453SEric Joyner * device filters and prepares the Tx and Rx engines. 190371d10453SEric Joyner * 190471d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 190571d10453SEric Joyner */ 190671d10453SEric Joyner static void 190771d10453SEric Joyner ice_if_init(if_ctx_t ctx) 190871d10453SEric Joyner { 190971d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 191071d10453SEric Joyner device_t dev = sc->dev; 191171d10453SEric Joyner int err; 191271d10453SEric Joyner 191371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 191471d10453SEric Joyner 19157d7af7f8SEric Joyner /* 19167d7af7f8SEric Joyner * We've seen an issue with 11.3/12.1 where sideband routines are 19177d7af7f8SEric Joyner * called after detach is called. This would call routines after 19187d7af7f8SEric Joyner * if_stop, causing issues with the teardown process. This has 19197d7af7f8SEric Joyner * seemingly been fixed in STABLE snapshots, but it seems like a 19207d7af7f8SEric Joyner * good idea to have this guard here regardless. 19217d7af7f8SEric Joyner */ 19227d7af7f8SEric Joyner if (ice_driver_is_detaching(sc)) 19237d7af7f8SEric Joyner return; 19247d7af7f8SEric Joyner 192571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 192671d10453SEric Joyner return; 192771d10453SEric Joyner 192871d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 192971d10453SEric Joyner device_printf(sc->dev, "request to start interface cannot be completed as the device failed to reset\n"); 193071d10453SEric Joyner return; 193171d10453SEric Joyner } 193271d10453SEric Joyner 193371d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 193471d10453SEric Joyner device_printf(sc->dev, "request to start interface while device is prepared for impending reset\n"); 193571d10453SEric Joyner return; 193671d10453SEric Joyner } 193771d10453SEric Joyner 193871d10453SEric Joyner ice_update_rx_mbuf_sz(sc); 193971d10453SEric Joyner 194071d10453SEric Joyner /* Update the MAC address... User might use a LAA */ 194171d10453SEric Joyner err = ice_update_laa_mac(sc); 194271d10453SEric Joyner if (err) { 194371d10453SEric Joyner device_printf(dev, 194471d10453SEric Joyner "LAA address change failed, err %s\n", 194571d10453SEric Joyner ice_err_str(err)); 194671d10453SEric Joyner return; 194771d10453SEric Joyner } 194871d10453SEric Joyner 194971d10453SEric Joyner /* Initialize software Tx tracking values */ 195071d10453SEric Joyner ice_init_tx_tracking(&sc->pf_vsi); 195171d10453SEric Joyner 195271d10453SEric Joyner err = ice_cfg_vsi_for_tx(&sc->pf_vsi); 195371d10453SEric Joyner if (err) { 195471d10453SEric Joyner device_printf(dev, 195571d10453SEric Joyner "Unable to configure the main VSI for Tx: %s\n", 195671d10453SEric Joyner ice_err_str(err)); 195771d10453SEric Joyner return; 195871d10453SEric Joyner } 195971d10453SEric Joyner 196071d10453SEric Joyner err = ice_cfg_vsi_for_rx(&sc->pf_vsi); 196171d10453SEric Joyner if (err) { 196271d10453SEric Joyner device_printf(dev, 196371d10453SEric Joyner "Unable to configure the main VSI for Rx: %s\n", 196471d10453SEric Joyner ice_err_str(err)); 196571d10453SEric Joyner goto err_cleanup_tx; 196671d10453SEric Joyner } 196771d10453SEric Joyner 196871d10453SEric Joyner err = ice_control_rx_queues(&sc->pf_vsi, true); 196971d10453SEric Joyner if (err) { 197071d10453SEric Joyner device_printf(dev, 197171d10453SEric Joyner "Unable to enable Rx rings for transmit: %s\n", 197271d10453SEric Joyner ice_err_str(err)); 197371d10453SEric Joyner goto err_cleanup_tx; 197471d10453SEric Joyner } 197571d10453SEric Joyner 197671d10453SEric Joyner err = ice_cfg_pf_default_mac_filters(sc); 197771d10453SEric Joyner if (err) { 197871d10453SEric Joyner device_printf(dev, 197971d10453SEric Joyner "Unable to configure default MAC filters: %s\n", 198071d10453SEric Joyner ice_err_str(err)); 198171d10453SEric Joyner goto err_stop_rx; 198271d10453SEric Joyner } 198371d10453SEric Joyner 198471d10453SEric Joyner /* We use software interrupts for Tx, so we only program the hardware 198571d10453SEric Joyner * interrupts for Rx. 198671d10453SEric Joyner */ 198771d10453SEric Joyner ice_configure_rxq_interrupts(&sc->pf_vsi); 198871d10453SEric Joyner ice_configure_rx_itr(&sc->pf_vsi); 198971d10453SEric Joyner 199071d10453SEric Joyner /* Configure promiscuous mode */ 199171d10453SEric Joyner ice_if_promisc_set(ctx, if_getflags(sc->ifp)); 199271d10453SEric Joyner 19938a13362dSEric Joyner ice_rdma_pf_init(sc); 19948a13362dSEric Joyner 199571d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED); 199671d10453SEric Joyner return; 199771d10453SEric Joyner 199871d10453SEric Joyner err_stop_rx: 199971d10453SEric Joyner ice_control_rx_queues(&sc->pf_vsi, false); 200071d10453SEric Joyner err_cleanup_tx: 200171d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 200271d10453SEric Joyner } 200371d10453SEric Joyner 200471d10453SEric Joyner /** 200571d10453SEric Joyner * ice_poll_for_media_avail - Re-enable link if media is detected 200671d10453SEric Joyner * @sc: device private structure 200771d10453SEric Joyner * 200871d10453SEric Joyner * Intended to be called from the driver's timer function, this function 200971d10453SEric Joyner * sends the Get Link Status AQ command and re-enables HW link if the 201071d10453SEric Joyner * command says that media is available. 201171d10453SEric Joyner * 201271d10453SEric Joyner * If the driver doesn't have the "NO_MEDIA" state set, then this does nothing, 201371d10453SEric Joyner * since media removal events are supposed to be sent to the driver through 201471d10453SEric Joyner * a link status event. 201571d10453SEric Joyner */ 201671d10453SEric Joyner static void 201771d10453SEric Joyner ice_poll_for_media_avail(struct ice_softc *sc) 201871d10453SEric Joyner { 201971d10453SEric Joyner struct ice_hw *hw = &sc->hw; 202071d10453SEric Joyner struct ice_port_info *pi = hw->port_info; 202171d10453SEric Joyner 202271d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_NO_MEDIA)) { 202371d10453SEric Joyner pi->phy.get_link_info = true; 202471d10453SEric Joyner ice_get_link_status(pi, &sc->link_up); 202571d10453SEric Joyner 202671d10453SEric Joyner if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 202771d10453SEric Joyner enum ice_status status; 202871d10453SEric Joyner 202971d10453SEric Joyner /* Re-enable link and re-apply user link settings */ 20309cf1841cSEric Joyner ice_apply_saved_phy_cfg(sc, ICE_APPLY_LS_FEC_FC); 203171d10453SEric Joyner 203271d10453SEric Joyner /* Update the OS about changes in media capability */ 203371d10453SEric Joyner status = ice_add_media_types(sc, sc->media); 203471d10453SEric Joyner if (status) 203571d10453SEric Joyner device_printf(sc->dev, "Error adding device media types: %s aq_err %s\n", 203671d10453SEric Joyner ice_status_str(status), 203771d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 203871d10453SEric Joyner 203971d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_NO_MEDIA); 204071d10453SEric Joyner } 204171d10453SEric Joyner } 204271d10453SEric Joyner } 204371d10453SEric Joyner 204471d10453SEric Joyner /** 204571d10453SEric Joyner * ice_if_timer - called by iflib periodically 204671d10453SEric Joyner * @ctx: iflib ctx structure 204771d10453SEric Joyner * @qid: the queue this timer was called for 204871d10453SEric Joyner * 204971d10453SEric Joyner * This callback is triggered by iflib periodically. We use it to update the 205071d10453SEric Joyner * hw statistics. 205171d10453SEric Joyner * 205271d10453SEric Joyner * @remark this function is not protected by the iflib CTX lock. 205371d10453SEric Joyner */ 205471d10453SEric Joyner static void 205571d10453SEric Joyner ice_if_timer(if_ctx_t ctx, uint16_t qid) 205671d10453SEric Joyner { 205771d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 205871d10453SEric Joyner uint64_t prev_link_xoff_rx = sc->stats.cur.link_xoff_rx; 205971d10453SEric Joyner 206071d10453SEric Joyner if (qid != 0) 206171d10453SEric Joyner return; 206271d10453SEric Joyner 206371d10453SEric Joyner /* Do not attempt to update stats when in recovery mode */ 206471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 206571d10453SEric Joyner return; 206671d10453SEric Joyner 206771d10453SEric Joyner /* Update device statistics */ 206871d10453SEric Joyner ice_update_pf_stats(sc); 206971d10453SEric Joyner 207071d10453SEric Joyner /* 207171d10453SEric Joyner * For proper watchdog management, the iflib stack needs to know if 207271d10453SEric Joyner * we've been paused during the last interval. Check if the 207371d10453SEric Joyner * link_xoff_rx stat changed, and set the isc_pause_frames, if so. 207471d10453SEric Joyner */ 207571d10453SEric Joyner if (sc->stats.cur.link_xoff_rx != prev_link_xoff_rx) 207671d10453SEric Joyner sc->scctx->isc_pause_frames = 1; 207771d10453SEric Joyner 207871d10453SEric Joyner /* Update the primary VSI stats */ 207971d10453SEric Joyner ice_update_vsi_hw_stats(&sc->pf_vsi); 208071d10453SEric Joyner } 208171d10453SEric Joyner 208271d10453SEric Joyner /** 208371d10453SEric Joyner * ice_admin_timer - called periodically to trigger the admin task 208471d10453SEric Joyner * @arg: callout(9) argument pointing to the device private softc structure 208571d10453SEric Joyner * 208671d10453SEric Joyner * Timer function used as part of a callout(9) timer that will periodically 208771d10453SEric Joyner * trigger the admin task, even when the interface is down. 208871d10453SEric Joyner * 208971d10453SEric Joyner * @remark this function is not called by iflib and is not protected by the 209071d10453SEric Joyner * iflib CTX lock. 209171d10453SEric Joyner * 209271d10453SEric Joyner * @remark because this is a callout function, it cannot sleep and should not 209371d10453SEric Joyner * attempt taking the iflib CTX lock. 209471d10453SEric Joyner */ 209571d10453SEric Joyner static void 209671d10453SEric Joyner ice_admin_timer(void *arg) 209771d10453SEric Joyner { 209871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)arg; 209971d10453SEric Joyner 21009cf1841cSEric Joyner /* 21019cf1841cSEric Joyner * There is a point where callout routines are no longer 21029cf1841cSEric Joyner * cancelable. So there exists a window of time where the 21039cf1841cSEric Joyner * driver enters detach() and tries to cancel the callout, but the 21049cf1841cSEric Joyner * callout routine has passed the cancellation point. The detach() 21059cf1841cSEric Joyner * routine is unaware of this and tries to free resources that the 21069cf1841cSEric Joyner * callout routine needs. So we check for the detach state flag to 21079cf1841cSEric Joyner * at least shrink the window of opportunity. 21089cf1841cSEric Joyner */ 21099cf1841cSEric Joyner if (ice_driver_is_detaching(sc)) 21109cf1841cSEric Joyner return; 21119cf1841cSEric Joyner 211271d10453SEric Joyner /* Fire off the admin task */ 211371d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 211471d10453SEric Joyner 211571d10453SEric Joyner /* Reschedule the admin timer */ 211671d10453SEric Joyner callout_schedule(&sc->admin_timer, hz/2); 211771d10453SEric Joyner } 211871d10453SEric Joyner 211971d10453SEric Joyner /** 212071d10453SEric Joyner * ice_transition_recovery_mode - Transition to recovery mode 212171d10453SEric Joyner * @sc: the device private softc 212271d10453SEric Joyner * 212371d10453SEric Joyner * Called when the driver detects that the firmware has entered recovery mode 212471d10453SEric Joyner * at run time. 212571d10453SEric Joyner */ 212671d10453SEric Joyner static void 212771d10453SEric Joyner ice_transition_recovery_mode(struct ice_softc *sc) 212871d10453SEric Joyner { 212971d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 213071d10453SEric Joyner int i; 213171d10453SEric Joyner 213271d10453SEric 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"); 213371d10453SEric Joyner 213471d10453SEric Joyner /* Tell the stack that the link has gone down */ 213571d10453SEric Joyner iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); 213671d10453SEric Joyner 213771d10453SEric Joyner /* Request that the device be re-initialized */ 213871d10453SEric Joyner ice_request_stack_reinit(sc); 213971d10453SEric Joyner 21408a13362dSEric Joyner ice_rdma_pf_detach(sc); 21418a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 21428a13362dSEric Joyner 214371d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 214471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 214571d10453SEric Joyner 214671d10453SEric Joyner ice_vsi_del_txqs_ctx(vsi); 214771d10453SEric Joyner ice_vsi_del_rxqs_ctx(vsi); 214871d10453SEric Joyner 214971d10453SEric Joyner for (i = 0; i < sc->num_available_vsi; i++) { 215071d10453SEric Joyner if (sc->all_vsi[i]) 215171d10453SEric Joyner ice_release_vsi(sc->all_vsi[i]); 215271d10453SEric Joyner } 215371d10453SEric Joyner sc->num_available_vsi = 0; 215471d10453SEric Joyner 215571d10453SEric Joyner if (sc->all_vsi) { 215671d10453SEric Joyner free(sc->all_vsi, M_ICE); 215771d10453SEric Joyner sc->all_vsi = NULL; 215871d10453SEric Joyner } 215971d10453SEric Joyner 216071d10453SEric Joyner /* Destroy the interrupt manager */ 216171d10453SEric Joyner ice_resmgr_destroy(&sc->imgr); 216271d10453SEric Joyner /* Destroy the queue managers */ 216371d10453SEric Joyner ice_resmgr_destroy(&sc->tx_qmgr); 216471d10453SEric Joyner ice_resmgr_destroy(&sc->rx_qmgr); 216571d10453SEric Joyner 216671d10453SEric Joyner ice_deinit_hw(&sc->hw); 216771d10453SEric Joyner } 216871d10453SEric Joyner 216971d10453SEric Joyner /** 217071d10453SEric Joyner * ice_transition_safe_mode - Transition to safe mode 217171d10453SEric Joyner * @sc: the device private softc 217271d10453SEric Joyner * 217371d10453SEric Joyner * Called when the driver attempts to reload the DDP package during a device 217471d10453SEric Joyner * reset, and the new download fails. If so, we must transition to safe mode 217571d10453SEric Joyner * at run time. 217671d10453SEric Joyner * 217771d10453SEric Joyner * @remark although safe mode normally allocates only a single queue, we can't 217871d10453SEric Joyner * change the number of queues dynamically when using iflib. Due to this, we 217971d10453SEric Joyner * do not attempt to reduce the number of queues. 218071d10453SEric Joyner */ 218171d10453SEric Joyner static void 218271d10453SEric Joyner ice_transition_safe_mode(struct ice_softc *sc) 218371d10453SEric Joyner { 218471d10453SEric Joyner /* Indicate that we are in Safe mode */ 218571d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_cap); 218671d10453SEric Joyner ice_set_bit(ICE_FEATURE_SAFE_MODE, sc->feat_en); 218771d10453SEric Joyner 21888a13362dSEric Joyner ice_rdma_pf_detach(sc); 21898a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 21908a13362dSEric Joyner 219171d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); 219271d10453SEric Joyner ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 219371d10453SEric Joyner 219471d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 219571d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_en); 219671d10453SEric Joyner } 219771d10453SEric Joyner 219871d10453SEric Joyner /** 219971d10453SEric Joyner * ice_if_update_admin_status - update admin status 220071d10453SEric Joyner * @ctx: iflib ctx structure 220171d10453SEric Joyner * 220271d10453SEric Joyner * Called by iflib to update the admin status. For our purposes, this means 220371d10453SEric Joyner * check the adminq, and update the link status. It's ultimately triggered by 220471d10453SEric Joyner * our admin interrupt, or by the ice_if_timer periodically. 220571d10453SEric Joyner * 220671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 220771d10453SEric Joyner */ 220871d10453SEric Joyner static void 220971d10453SEric Joyner ice_if_update_admin_status(if_ctx_t ctx) 221071d10453SEric Joyner { 221171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 221271d10453SEric Joyner enum ice_fw_modes fw_mode; 221371d10453SEric Joyner bool reschedule = false; 221471d10453SEric Joyner u16 pending = 0; 221571d10453SEric Joyner 221671d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 221771d10453SEric Joyner 221871d10453SEric Joyner /* Check if the firmware entered recovery mode at run time */ 221971d10453SEric Joyner fw_mode = ice_get_fw_mode(&sc->hw); 222071d10453SEric Joyner if (fw_mode == ICE_FW_MODE_REC) { 222171d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 222271d10453SEric Joyner /* If we just entered recovery mode, log a warning to 222371d10453SEric Joyner * the system administrator and deinit driver state 222471d10453SEric Joyner * that is no longer functional. 222571d10453SEric Joyner */ 222671d10453SEric Joyner ice_transition_recovery_mode(sc); 222771d10453SEric Joyner } 222871d10453SEric Joyner } else if (fw_mode == ICE_FW_MODE_ROLLBACK) { 222971d10453SEric Joyner if (!ice_testandset_state(&sc->state, ICE_STATE_ROLLBACK_MODE)) { 223071d10453SEric Joyner /* Rollback mode isn't fatal, but we don't want to 223171d10453SEric Joyner * repeatedly post a message about it. 223271d10453SEric Joyner */ 223371d10453SEric Joyner ice_print_rollback_msg(&sc->hw); 223471d10453SEric Joyner } 223571d10453SEric Joyner } 223671d10453SEric Joyner 223771d10453SEric Joyner /* Handle global reset events */ 223871d10453SEric Joyner ice_handle_reset_event(sc); 223971d10453SEric Joyner 224071d10453SEric Joyner /* Handle PF reset requests */ 224171d10453SEric Joyner ice_handle_pf_reset_request(sc); 224271d10453SEric Joyner 224371d10453SEric Joyner /* Handle MDD events */ 224471d10453SEric Joyner ice_handle_mdd_event(sc); 224571d10453SEric Joyner 224671d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED) || 224771d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET) || 224871d10453SEric Joyner ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 224971d10453SEric Joyner /* 225071d10453SEric Joyner * If we know the control queues are disabled, skip processing 225171d10453SEric Joyner * the control queues entirely. 225271d10453SEric Joyner */ 225371d10453SEric Joyner ; 225471d10453SEric Joyner } else if (ice_testandclear_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING)) { 225571d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_ADMIN, &pending); 225671d10453SEric Joyner if (pending > 0) 225771d10453SEric Joyner reschedule = true; 225871d10453SEric Joyner 225971d10453SEric Joyner ice_process_ctrlq(sc, ICE_CTL_Q_MAILBOX, &pending); 226071d10453SEric Joyner if (pending > 0) 226171d10453SEric Joyner reschedule = true; 226271d10453SEric Joyner } 226371d10453SEric Joyner 226471d10453SEric Joyner /* Poll for link up */ 226571d10453SEric Joyner ice_poll_for_media_avail(sc); 226671d10453SEric Joyner 226771d10453SEric Joyner /* Check and update link status */ 226871d10453SEric Joyner ice_update_link_status(sc, false); 226971d10453SEric Joyner 227071d10453SEric Joyner /* 227171d10453SEric Joyner * If there are still messages to process, we need to reschedule 227271d10453SEric Joyner * ourselves. Otherwise, we can just re-enable the interrupt. We'll be 227371d10453SEric Joyner * woken up at the next interrupt or timer event. 227471d10453SEric Joyner */ 227571d10453SEric Joyner if (reschedule) { 227671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING); 227771d10453SEric Joyner iflib_admin_intr_deferred(ctx); 227871d10453SEric Joyner } else { 227971d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 228071d10453SEric Joyner } 228171d10453SEric Joyner } 228271d10453SEric Joyner 228371d10453SEric Joyner /** 228471d10453SEric Joyner * ice_prepare_for_reset - Prepare device for an impending reset 228571d10453SEric Joyner * @sc: The device private softc 228671d10453SEric Joyner * 228771d10453SEric Joyner * Prepare the driver for an impending reset, shutting down VSIs, clearing the 228871d10453SEric Joyner * scheduler setup, and shutting down controlqs. Uses the 228971d10453SEric Joyner * ICE_STATE_PREPARED_FOR_RESET to indicate whether we've already prepared the 229071d10453SEric Joyner * driver for reset or not. 229171d10453SEric Joyner */ 229271d10453SEric Joyner static void 229371d10453SEric Joyner ice_prepare_for_reset(struct ice_softc *sc) 229471d10453SEric Joyner { 229571d10453SEric Joyner struct ice_hw *hw = &sc->hw; 229671d10453SEric Joyner 229771d10453SEric Joyner /* If we're already prepared, there's nothing to do */ 229871d10453SEric Joyner if (ice_testandset_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) 229971d10453SEric Joyner return; 230071d10453SEric Joyner 2301402810d3SJustin Hibbits log(LOG_INFO, "%s: preparing to reset device logic\n", if_name(sc->ifp)); 230271d10453SEric Joyner 230371d10453SEric Joyner /* In recovery mode, hardware is not initialized */ 230471d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 230571d10453SEric Joyner return; 230671d10453SEric Joyner 23078a13362dSEric Joyner /* stop the RDMA client */ 23088a13362dSEric Joyner ice_rdma_pf_stop(sc); 23098a13362dSEric Joyner 231071d10453SEric Joyner /* Release the main PF VSI queue mappings */ 231171d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 231271d10453SEric Joyner sc->pf_vsi.num_tx_queues); 231371d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 231471d10453SEric Joyner sc->pf_vsi.num_rx_queues); 231571d10453SEric Joyner 231671d10453SEric Joyner ice_clear_hw_tbls(hw); 231771d10453SEric Joyner 231871d10453SEric Joyner if (hw->port_info) 231971d10453SEric Joyner ice_sched_clear_port(hw->port_info); 232071d10453SEric Joyner 2321*8923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 232271d10453SEric Joyner } 232371d10453SEric Joyner 232471d10453SEric Joyner /** 232571d10453SEric Joyner * ice_rebuild_pf_vsi_qmap - Rebuild the main PF VSI queue mapping 232671d10453SEric Joyner * @sc: the device softc pointer 232771d10453SEric Joyner * 232871d10453SEric Joyner * Loops over the Tx and Rx queues for the main PF VSI and reassigns the queue 232971d10453SEric Joyner * mapping after a reset occurred. 233071d10453SEric Joyner */ 233171d10453SEric Joyner static int 233271d10453SEric Joyner ice_rebuild_pf_vsi_qmap(struct ice_softc *sc) 233371d10453SEric Joyner { 233471d10453SEric Joyner struct ice_vsi *vsi = &sc->pf_vsi; 233571d10453SEric Joyner struct ice_tx_queue *txq; 233671d10453SEric Joyner struct ice_rx_queue *rxq; 233771d10453SEric Joyner int err, i; 233871d10453SEric Joyner 233971d10453SEric Joyner /* Re-assign Tx queues from PF space to the main VSI */ 234071d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->tx_qmgr, vsi->tx_qmap, 234171d10453SEric Joyner vsi->num_tx_queues); 234271d10453SEric Joyner if (err) { 234371d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Tx queues: %s\n", 234471d10453SEric Joyner ice_err_str(err)); 234571d10453SEric Joyner return (err); 234671d10453SEric Joyner } 234771d10453SEric Joyner 234871d10453SEric Joyner /* Re-assign Rx queues from PF space to this VSI */ 234971d10453SEric Joyner err = ice_resmgr_assign_contiguous(&sc->rx_qmgr, vsi->rx_qmap, 235071d10453SEric Joyner vsi->num_rx_queues); 235171d10453SEric Joyner if (err) { 235271d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign PF Rx queues: %s\n", 235371d10453SEric Joyner ice_err_str(err)); 235471d10453SEric Joyner goto err_release_tx_queues; 235571d10453SEric Joyner } 235671d10453SEric Joyner 235771d10453SEric Joyner vsi->qmap_type = ICE_RESMGR_ALLOC_CONTIGUOUS; 235871d10453SEric Joyner 235971d10453SEric Joyner /* Re-assign Tx queue tail pointers */ 236071d10453SEric Joyner for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) 236171d10453SEric Joyner txq->tail = QTX_COMM_DBELL(vsi->tx_qmap[i]); 236271d10453SEric Joyner 236371d10453SEric Joyner /* Re-assign Rx queue tail pointers */ 236471d10453SEric Joyner for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) 236571d10453SEric Joyner rxq->tail = QRX_TAIL(vsi->rx_qmap[i]); 236671d10453SEric Joyner 236771d10453SEric Joyner return (0); 236871d10453SEric Joyner 236971d10453SEric Joyner err_release_tx_queues: 237071d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 237171d10453SEric Joyner sc->pf_vsi.num_tx_queues); 237271d10453SEric Joyner 237371d10453SEric Joyner return (err); 237471d10453SEric Joyner } 237571d10453SEric Joyner 237671d10453SEric Joyner /* determine if the iflib context is active */ 237771d10453SEric Joyner #define CTX_ACTIVE(ctx) ((if_getdrvflags(iflib_get_ifp(ctx)) & IFF_DRV_RUNNING)) 237871d10453SEric Joyner 237971d10453SEric Joyner /** 238071d10453SEric Joyner * ice_rebuild_recovery_mode - Rebuild driver state while in recovery mode 238171d10453SEric Joyner * @sc: The device private softc 238271d10453SEric Joyner * 238371d10453SEric Joyner * Handle a driver rebuild while in recovery mode. This will only rebuild the 238471d10453SEric Joyner * limited functionality supported while in recovery mode. 238571d10453SEric Joyner */ 238671d10453SEric Joyner static void 238771d10453SEric Joyner ice_rebuild_recovery_mode(struct ice_softc *sc) 238871d10453SEric Joyner { 238971d10453SEric Joyner device_t dev = sc->dev; 239071d10453SEric Joyner 239171d10453SEric Joyner /* enable PCIe bus master */ 239271d10453SEric Joyner pci_enable_busmaster(dev); 239371d10453SEric Joyner 239471d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 239571d10453SEric Joyner ice_configure_misc_interrupts(sc); 239671d10453SEric Joyner 239771d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 239871d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 239971d10453SEric Joyner 240071d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 240171d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 240271d10453SEric Joyner 2403402810d3SJustin Hibbits log(LOG_INFO, "%s: device rebuild successful\n", if_name(sc->ifp)); 240471d10453SEric Joyner 240571d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 240671d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 240771d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 240871d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 240971d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 241071d10453SEric Joyner */ 241171d10453SEric Joyner ice_request_stack_reinit(sc); 241271d10453SEric Joyner 241371d10453SEric Joyner return; 241471d10453SEric Joyner } 241571d10453SEric Joyner 241671d10453SEric Joyner /** 241771d10453SEric Joyner * ice_rebuild - Rebuild driver state post reset 241871d10453SEric Joyner * @sc: The device private softc 241971d10453SEric Joyner * 242071d10453SEric Joyner * Restore driver state after a reset occurred. Restart the controlqs, setup 242171d10453SEric Joyner * the hardware port, and re-enable the VSIs. 242271d10453SEric Joyner */ 242371d10453SEric Joyner static void 242471d10453SEric Joyner ice_rebuild(struct ice_softc *sc) 242571d10453SEric Joyner { 242671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 242771d10453SEric Joyner device_t dev = sc->dev; 2428*8923de59SPiotr Kubaj enum ice_ddp_state pkg_state; 242971d10453SEric Joyner enum ice_status status; 243071d10453SEric Joyner int err; 243171d10453SEric Joyner 243271d10453SEric Joyner sc->rebuild_ticks = ticks; 243371d10453SEric Joyner 243471d10453SEric Joyner /* If we're rebuilding, then a reset has succeeded. */ 243571d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_FAILED); 243671d10453SEric Joyner 243771d10453SEric Joyner /* 243871d10453SEric Joyner * If the firmware is in recovery mode, only restore the limited 243971d10453SEric Joyner * functionality supported by recovery mode. 244071d10453SEric Joyner */ 244171d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) { 244271d10453SEric Joyner ice_rebuild_recovery_mode(sc); 244371d10453SEric Joyner return; 244471d10453SEric Joyner } 244571d10453SEric Joyner 244671d10453SEric Joyner /* enable PCIe bus master */ 244771d10453SEric Joyner pci_enable_busmaster(dev); 244871d10453SEric Joyner 244971d10453SEric Joyner status = ice_init_all_ctrlq(hw); 245071d10453SEric Joyner if (status) { 245171d10453SEric Joyner device_printf(dev, "failed to re-init controlqs, err %s\n", 245271d10453SEric Joyner ice_status_str(status)); 245371d10453SEric Joyner goto err_shutdown_ctrlq; 245471d10453SEric Joyner } 245571d10453SEric Joyner 245671d10453SEric Joyner /* Query the allocated resources for Tx scheduler */ 245771d10453SEric Joyner status = ice_sched_query_res_alloc(hw); 245871d10453SEric Joyner if (status) { 245971d10453SEric Joyner device_printf(dev, 246071d10453SEric Joyner "Failed to query scheduler resources, err %s aq_err %s\n", 246171d10453SEric Joyner ice_status_str(status), 246271d10453SEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 246371d10453SEric Joyner goto err_shutdown_ctrlq; 246471d10453SEric Joyner } 246571d10453SEric Joyner 246656429daeSEric Joyner /* Re-enable FW logging. Keep going even if this fails */ 246756429daeSEric Joyner status = ice_fwlog_set(hw, &hw->fwlog_cfg); 246856429daeSEric Joyner if (!status) { 246956429daeSEric Joyner /* 247056429daeSEric Joyner * We should have the most updated cached copy of the 247156429daeSEric Joyner * configuration, regardless of whether we're rebuilding 247256429daeSEric Joyner * or not. So we'll simply check to see if logging was 247356429daeSEric Joyner * enabled pre-rebuild. 247456429daeSEric Joyner */ 247556429daeSEric Joyner if (hw->fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 247656429daeSEric Joyner status = ice_fwlog_register(hw); 247756429daeSEric Joyner if (status) 247856429daeSEric Joyner device_printf(dev, "failed to re-register fw logging, err %s aq_err %s\n", 247956429daeSEric Joyner ice_status_str(status), 248056429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 248156429daeSEric Joyner } 248256429daeSEric Joyner } else 248356429daeSEric Joyner device_printf(dev, "failed to rebuild fw logging configuration, err %s aq_err %s\n", 248456429daeSEric Joyner ice_status_str(status), 248556429daeSEric Joyner ice_aq_str(hw->adminq.sq_last_status)); 248656429daeSEric Joyner 248771d10453SEric Joyner err = ice_send_version(sc); 248871d10453SEric Joyner if (err) 248971d10453SEric Joyner goto err_shutdown_ctrlq; 249071d10453SEric Joyner 249171d10453SEric Joyner err = ice_init_link_events(sc); 249271d10453SEric Joyner if (err) { 249371d10453SEric Joyner device_printf(dev, "ice_init_link_events failed: %s\n", 249471d10453SEric Joyner ice_err_str(err)); 249571d10453SEric Joyner goto err_shutdown_ctrlq; 249671d10453SEric Joyner } 249771d10453SEric Joyner 249871d10453SEric Joyner status = ice_clear_pf_cfg(hw); 249971d10453SEric Joyner if (status) { 250071d10453SEric Joyner device_printf(dev, "failed to clear PF configuration, err %s\n", 250171d10453SEric Joyner ice_status_str(status)); 250271d10453SEric Joyner goto err_shutdown_ctrlq; 250371d10453SEric Joyner } 250471d10453SEric Joyner 250571d10453SEric Joyner ice_clear_pxe_mode(hw); 250671d10453SEric Joyner 250771d10453SEric Joyner status = ice_get_caps(hw); 250871d10453SEric Joyner if (status) { 250971d10453SEric Joyner device_printf(dev, "failed to get capabilities, err %s\n", 251071d10453SEric Joyner ice_status_str(status)); 251171d10453SEric Joyner goto err_shutdown_ctrlq; 251271d10453SEric Joyner } 251371d10453SEric Joyner 251471d10453SEric Joyner status = ice_sched_init_port(hw->port_info); 251571d10453SEric Joyner if (status) { 251671d10453SEric Joyner device_printf(dev, "failed to initialize port, err %s\n", 251771d10453SEric Joyner ice_status_str(status)); 251871d10453SEric Joyner goto err_sched_cleanup; 251971d10453SEric Joyner } 252071d10453SEric Joyner 252171d10453SEric Joyner /* If we previously loaded the package, it needs to be reloaded now */ 252271d10453SEric Joyner if (!ice_is_bit_set(sc->feat_en, ICE_FEATURE_SAFE_MODE)) { 2523*8923de59SPiotr Kubaj pkg_state = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 2524*8923de59SPiotr Kubaj if (!ice_is_init_pkg_successful(pkg_state)) { 2525*8923de59SPiotr Kubaj ice_log_pkg_init(sc, pkg_state); 252671d10453SEric Joyner ice_transition_safe_mode(sc); 252771d10453SEric Joyner } 252871d10453SEric Joyner } 252971d10453SEric Joyner 253071d10453SEric Joyner ice_reset_pf_stats(sc); 253171d10453SEric Joyner 253271d10453SEric Joyner err = ice_rebuild_pf_vsi_qmap(sc); 253371d10453SEric Joyner if (err) { 253471d10453SEric Joyner device_printf(sc->dev, "Unable to re-assign main VSI queues, err %s\n", 253571d10453SEric Joyner ice_err_str(err)); 253671d10453SEric Joyner goto err_sched_cleanup; 253771d10453SEric Joyner } 253871d10453SEric Joyner err = ice_initialize_vsi(&sc->pf_vsi); 253971d10453SEric Joyner if (err) { 254071d10453SEric Joyner device_printf(sc->dev, "Unable to re-initialize Main VSI, err %s\n", 254171d10453SEric Joyner ice_err_str(err)); 254271d10453SEric Joyner goto err_release_queue_allocations; 254371d10453SEric Joyner } 254471d10453SEric Joyner 254571d10453SEric Joyner /* Replay all VSI configuration */ 254671d10453SEric Joyner err = ice_replay_all_vsi_cfg(sc); 254771d10453SEric Joyner if (err) 254871d10453SEric Joyner goto err_deinit_pf_vsi; 254971d10453SEric Joyner 25509cf1841cSEric Joyner /* Re-enable FW health event reporting */ 25519cf1841cSEric Joyner ice_init_health_events(sc); 25529cf1841cSEric Joyner 255371d10453SEric Joyner /* Reconfigure the main PF VSI for RSS */ 255471d10453SEric Joyner err = ice_config_rss(&sc->pf_vsi); 255571d10453SEric Joyner if (err) { 255671d10453SEric Joyner device_printf(sc->dev, 255771d10453SEric Joyner "Unable to reconfigure RSS for the main VSI, err %s\n", 255871d10453SEric Joyner ice_err_str(err)); 255971d10453SEric Joyner goto err_deinit_pf_vsi; 256071d10453SEric Joyner } 256171d10453SEric Joyner 256271d10453SEric Joyner /* Refresh link status */ 256371d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_LINK_STATUS_REPORTED); 256471d10453SEric Joyner sc->hw.port_info->phy.get_link_info = true; 256571d10453SEric Joyner ice_get_link_status(sc->hw.port_info, &sc->link_up); 256671d10453SEric Joyner ice_update_link_status(sc, true); 256771d10453SEric Joyner 25688a13362dSEric Joyner /* RDMA interface will be restarted by the stack re-init */ 25698a13362dSEric Joyner 257071d10453SEric Joyner /* Configure interrupt causes for the administrative interrupt */ 257171d10453SEric Joyner ice_configure_misc_interrupts(sc); 257271d10453SEric Joyner 257371d10453SEric Joyner /* Enable ITR 0 right away, so that we can handle admin interrupts */ 257471d10453SEric Joyner ice_enable_intr(&sc->hw, sc->irqvs[0].me); 257571d10453SEric Joyner 257671d10453SEric Joyner /* Now that the rebuild is finished, we're no longer prepared to reset */ 257771d10453SEric Joyner ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 257871d10453SEric Joyner 2579402810d3SJustin Hibbits log(LOG_INFO, "%s: device rebuild successful\n", if_name(sc->ifp)); 258071d10453SEric Joyner 258171d10453SEric Joyner /* In order to completely restore device functionality, the iflib core 258271d10453SEric Joyner * needs to be reset. We need to request an iflib reset. Additionally, 258371d10453SEric Joyner * because the state of IFC_DO_RESET is cached within task_fn_admin in 258471d10453SEric Joyner * the iflib core, we also want re-run the admin task so that iflib 258571d10453SEric Joyner * resets immediately instead of waiting for the next interrupt. 258671d10453SEric Joyner */ 258771d10453SEric Joyner ice_request_stack_reinit(sc); 258871d10453SEric Joyner 258971d10453SEric Joyner return; 259071d10453SEric Joyner 259171d10453SEric Joyner err_deinit_pf_vsi: 259271d10453SEric Joyner ice_deinit_vsi(&sc->pf_vsi); 259371d10453SEric Joyner err_release_queue_allocations: 259471d10453SEric Joyner ice_resmgr_release_map(&sc->tx_qmgr, sc->pf_vsi.tx_qmap, 259571d10453SEric Joyner sc->pf_vsi.num_tx_queues); 259671d10453SEric Joyner ice_resmgr_release_map(&sc->rx_qmgr, sc->pf_vsi.rx_qmap, 259771d10453SEric Joyner sc->pf_vsi.num_rx_queues); 259871d10453SEric Joyner err_sched_cleanup: 259971d10453SEric Joyner ice_sched_cleanup_all(hw); 260071d10453SEric Joyner err_shutdown_ctrlq: 2601*8923de59SPiotr Kubaj ice_shutdown_all_ctrlq(hw, false); 2602*8923de59SPiotr Kubaj ice_clear_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET); 260371d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 260471d10453SEric Joyner device_printf(dev, "Driver rebuild failed, please reload the device driver\n"); 260571d10453SEric Joyner } 260671d10453SEric Joyner 260771d10453SEric Joyner /** 260871d10453SEric Joyner * ice_handle_reset_event - Handle reset events triggered by OICR 260971d10453SEric Joyner * @sc: The device private softc 261071d10453SEric Joyner * 261171d10453SEric Joyner * Handle reset events triggered by an OICR notification. This includes CORER, 261271d10453SEric Joyner * GLOBR, and EMPR resets triggered by software on this or any other PF or by 261371d10453SEric Joyner * firmware. 261471d10453SEric Joyner * 261571d10453SEric Joyner * @pre assumes the iflib context lock is held, and will unlock it while 261671d10453SEric Joyner * waiting for the hardware to finish reset. 261771d10453SEric Joyner */ 261871d10453SEric Joyner static void 261971d10453SEric Joyner ice_handle_reset_event(struct ice_softc *sc) 262071d10453SEric Joyner { 262171d10453SEric Joyner struct ice_hw *hw = &sc->hw; 262271d10453SEric Joyner enum ice_status status; 262371d10453SEric Joyner device_t dev = sc->dev; 262471d10453SEric Joyner 262571d10453SEric Joyner /* When a CORER, GLOBR, or EMPR is about to happen, the hardware will 262671d10453SEric Joyner * trigger an OICR interrupt. Our OICR handler will determine when 262771d10453SEric Joyner * this occurs and set the ICE_STATE_RESET_OICR_RECV bit as 262871d10453SEric Joyner * appropriate. 262971d10453SEric Joyner */ 263071d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_OICR_RECV)) 263171d10453SEric Joyner return; 263271d10453SEric Joyner 263371d10453SEric Joyner ice_prepare_for_reset(sc); 263471d10453SEric Joyner 263571d10453SEric Joyner /* 263671d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 263771d10453SEric Joyner * resetting. 263871d10453SEric Joyner */ 263971d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 264071d10453SEric Joyner status = ice_check_reset(hw); 264171d10453SEric Joyner IFLIB_CTX_LOCK(sc); 264271d10453SEric Joyner if (status) { 264371d10453SEric Joyner device_printf(dev, "Device never came out of reset, err %s\n", 264471d10453SEric Joyner ice_status_str(status)); 264571d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 264671d10453SEric Joyner return; 264771d10453SEric Joyner } 264871d10453SEric Joyner 264971d10453SEric Joyner /* We're done with the reset, so we can rebuild driver state */ 265071d10453SEric Joyner sc->hw.reset_ongoing = false; 265171d10453SEric Joyner ice_rebuild(sc); 265271d10453SEric Joyner 265371d10453SEric Joyner /* In the unlikely event that a PF reset request occurs at the same 265471d10453SEric Joyner * time as a global reset, clear the request now. This avoids 265571d10453SEric Joyner * resetting a second time right after we reset due to a global event. 265671d10453SEric Joyner */ 265771d10453SEric Joyner if (ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 265871d10453SEric Joyner device_printf(dev, "Ignoring PFR request that occurred while a reset was ongoing\n"); 265971d10453SEric Joyner } 266071d10453SEric Joyner 266171d10453SEric Joyner /** 266271d10453SEric Joyner * ice_handle_pf_reset_request - Initiate PF reset requested by software 266371d10453SEric Joyner * @sc: The device private softc 266471d10453SEric Joyner * 266571d10453SEric Joyner * Initiate a PF reset requested by software. We handle this in the admin task 266671d10453SEric Joyner * so that only one thread actually handles driver preparation and cleanup, 266771d10453SEric Joyner * rather than having multiple threads possibly attempt to run this code 266871d10453SEric Joyner * simultaneously. 266971d10453SEric Joyner * 267071d10453SEric Joyner * @pre assumes the iflib context lock is held and will unlock it while 267171d10453SEric Joyner * waiting for the PF reset to complete. 267271d10453SEric Joyner */ 267371d10453SEric Joyner static void 267471d10453SEric Joyner ice_handle_pf_reset_request(struct ice_softc *sc) 267571d10453SEric Joyner { 267671d10453SEric Joyner struct ice_hw *hw = &sc->hw; 267771d10453SEric Joyner enum ice_status status; 267871d10453SEric Joyner 267971d10453SEric Joyner /* Check for PF reset requests */ 268071d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_RESET_PFR_REQ)) 268171d10453SEric Joyner return; 268271d10453SEric Joyner 268371d10453SEric Joyner /* Make sure we're prepared for reset */ 268471d10453SEric Joyner ice_prepare_for_reset(sc); 268571d10453SEric Joyner 268671d10453SEric Joyner /* 268771d10453SEric Joyner * Release the iflib context lock and wait for the device to finish 268871d10453SEric Joyner * resetting. 268971d10453SEric Joyner */ 269071d10453SEric Joyner IFLIB_CTX_UNLOCK(sc); 269171d10453SEric Joyner status = ice_reset(hw, ICE_RESET_PFR); 269271d10453SEric Joyner IFLIB_CTX_LOCK(sc); 269371d10453SEric Joyner if (status) { 269471d10453SEric Joyner device_printf(sc->dev, "device PF reset failed, err %s\n", 269571d10453SEric Joyner ice_status_str(status)); 269671d10453SEric Joyner ice_set_state(&sc->state, ICE_STATE_RESET_FAILED); 269771d10453SEric Joyner return; 269871d10453SEric Joyner } 269971d10453SEric Joyner 270071d10453SEric Joyner sc->soft_stats.pfr_count++; 270171d10453SEric Joyner ice_rebuild(sc); 270271d10453SEric Joyner } 270371d10453SEric Joyner 270471d10453SEric Joyner /** 270571d10453SEric Joyner * ice_init_device_features - Init device driver features 270671d10453SEric Joyner * @sc: driver softc structure 270771d10453SEric Joyner * 270871d10453SEric Joyner * @pre assumes that the function capabilities bits have been set up by 270971d10453SEric Joyner * ice_init_hw(). 271071d10453SEric Joyner */ 271171d10453SEric Joyner static void 271271d10453SEric Joyner ice_init_device_features(struct ice_softc *sc) 271371d10453SEric Joyner { 27147d7af7f8SEric Joyner /* Set capabilities that all devices support */ 271571d10453SEric Joyner ice_set_bit(ICE_FEATURE_SRIOV, sc->feat_cap); 271671d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_cap); 27178a13362dSEric Joyner ice_set_bit(ICE_FEATURE_RDMA, sc->feat_cap); 271871d10453SEric Joyner ice_set_bit(ICE_FEATURE_LENIENT_LINK_MODE, sc->feat_cap); 27199cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_1, sc->feat_cap); 27209cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_LINK_MGMT_VER_2, sc->feat_cap); 27219cf1841cSEric Joyner ice_set_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 272256429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 272356429daeSEric Joyner ice_set_bit(ICE_FEATURE_HAS_PBA, sc->feat_cap); 2724*8923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_DCB, sc->feat_cap); 2725*8923de59SPiotr Kubaj ice_set_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 272671d10453SEric Joyner 272771d10453SEric Joyner /* Disable features due to hardware limitations... */ 272871d10453SEric Joyner if (!sc->hw.func_caps.common_cap.rss_table_size) 272971d10453SEric Joyner ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); 27308a13362dSEric Joyner if (!sc->hw.func_caps.common_cap.iwarp || !ice_enable_irdma) 27318a13362dSEric Joyner ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); 2732*8923de59SPiotr Kubaj if (!sc->hw.func_caps.common_cap.dcb) 2733*8923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_DCB, sc->feat_cap); 27349cf1841cSEric Joyner /* Disable features due to firmware limitations... */ 27359cf1841cSEric Joyner if (!ice_is_fw_health_report_supported(&sc->hw)) 27369cf1841cSEric Joyner ice_clear_bit(ICE_FEATURE_HEALTH_STATUS, sc->feat_cap); 273756429daeSEric Joyner if (!ice_fwlog_supported(&sc->hw)) 273856429daeSEric Joyner ice_clear_bit(ICE_FEATURE_FW_LOGGING, sc->feat_cap); 273956429daeSEric Joyner if (sc->hw.fwlog_cfg.options & ICE_FWLOG_OPTION_IS_REGISTERED) { 274056429daeSEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_FW_LOGGING)) 274156429daeSEric Joyner ice_set_bit(ICE_FEATURE_FW_LOGGING, sc->feat_en); 274256429daeSEric Joyner else 274356429daeSEric Joyner ice_fwlog_unregister(&sc->hw); 274456429daeSEric Joyner } 274571d10453SEric Joyner 274671d10453SEric Joyner /* Disable capabilities not supported by the OS */ 274771d10453SEric Joyner ice_disable_unsupported_features(sc->feat_cap); 274871d10453SEric Joyner 274971d10453SEric Joyner /* RSS is always enabled for iflib */ 275071d10453SEric Joyner if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_RSS)) 275171d10453SEric Joyner ice_set_bit(ICE_FEATURE_RSS, sc->feat_en); 2752*8923de59SPiotr Kubaj 2753*8923de59SPiotr Kubaj /* Disable features based on sysctl settings */ 2754*8923de59SPiotr Kubaj if (!ice_tx_balance_en) 2755*8923de59SPiotr Kubaj ice_clear_bit(ICE_FEATURE_TX_BALANCE, sc->feat_cap); 275671d10453SEric Joyner } 275771d10453SEric Joyner 275871d10453SEric Joyner /** 275971d10453SEric Joyner * ice_if_multi_set - Callback to update Multicast filters in HW 276071d10453SEric Joyner * @ctx: iflib ctx structure 276171d10453SEric Joyner * 276271d10453SEric Joyner * Called by iflib in response to SIOCDELMULTI and SIOCADDMULTI. Must search 276371d10453SEric Joyner * the if_multiaddrs list and determine which filters have been added or 276471d10453SEric Joyner * removed from the list, and update HW programming to reflect the new list. 276571d10453SEric Joyner * 276671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 276771d10453SEric Joyner */ 276871d10453SEric Joyner static void 276971d10453SEric Joyner ice_if_multi_set(if_ctx_t ctx) 277071d10453SEric Joyner { 277171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 277271d10453SEric Joyner int err; 277371d10453SEric Joyner 277471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 277571d10453SEric Joyner 277671d10453SEric Joyner /* Do not handle multicast configuration in recovery mode */ 277771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 277871d10453SEric Joyner return; 277971d10453SEric Joyner 278071d10453SEric Joyner err = ice_sync_multicast_filters(sc); 278171d10453SEric Joyner if (err) { 278271d10453SEric Joyner device_printf(sc->dev, 278371d10453SEric Joyner "Failed to synchronize multicast filter list: %s\n", 278471d10453SEric Joyner ice_err_str(err)); 278571d10453SEric Joyner return; 278671d10453SEric Joyner } 278771d10453SEric Joyner } 278871d10453SEric Joyner 278971d10453SEric Joyner /** 279071d10453SEric Joyner * ice_if_vlan_register - Register a VLAN with the hardware 279171d10453SEric Joyner * @ctx: iflib ctx pointer 279271d10453SEric Joyner * @vtag: VLAN to add 279371d10453SEric Joyner * 279471d10453SEric Joyner * Programs the main PF VSI with a hardware filter for the given VLAN. 279571d10453SEric Joyner * 279671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 279771d10453SEric Joyner */ 279871d10453SEric Joyner static void 279971d10453SEric Joyner ice_if_vlan_register(if_ctx_t ctx, u16 vtag) 280071d10453SEric Joyner { 280171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 280271d10453SEric Joyner enum ice_status status; 280371d10453SEric Joyner 280471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 280571d10453SEric Joyner 280671d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 280771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 280871d10453SEric Joyner return; 280971d10453SEric Joyner 281071d10453SEric Joyner status = ice_add_vlan_hw_filter(&sc->pf_vsi, vtag); 281171d10453SEric Joyner if (status) { 281271d10453SEric Joyner device_printf(sc->dev, 281371d10453SEric Joyner "Failure adding VLAN %d to main VSI, err %s aq_err %s\n", 281471d10453SEric Joyner vtag, ice_status_str(status), 281571d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 281671d10453SEric Joyner } 281771d10453SEric Joyner } 281871d10453SEric Joyner 281971d10453SEric Joyner /** 282071d10453SEric Joyner * ice_if_vlan_unregister - Remove a VLAN filter from the hardware 282171d10453SEric Joyner * @ctx: iflib ctx pointer 282271d10453SEric Joyner * @vtag: VLAN to add 282371d10453SEric Joyner * 282471d10453SEric Joyner * Removes the previously programmed VLAN filter from the main PF VSI. 282571d10453SEric Joyner * 282671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 282771d10453SEric Joyner */ 282871d10453SEric Joyner static void 282971d10453SEric Joyner ice_if_vlan_unregister(if_ctx_t ctx, u16 vtag) 283071d10453SEric Joyner { 283171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 283271d10453SEric Joyner enum ice_status status; 283371d10453SEric Joyner 283471d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 283571d10453SEric Joyner 283671d10453SEric Joyner /* Do not handle VLAN configuration in recovery mode */ 283771d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RECOVERY_MODE)) 283871d10453SEric Joyner return; 283971d10453SEric Joyner 284071d10453SEric Joyner status = ice_remove_vlan_hw_filter(&sc->pf_vsi, vtag); 284171d10453SEric Joyner if (status) { 284271d10453SEric Joyner device_printf(sc->dev, 284371d10453SEric Joyner "Failure removing VLAN %d from main VSI, err %s aq_err %s\n", 284471d10453SEric Joyner vtag, ice_status_str(status), 284571d10453SEric Joyner ice_aq_str(sc->hw.adminq.sq_last_status)); 284671d10453SEric Joyner } 284771d10453SEric Joyner } 284871d10453SEric Joyner 284971d10453SEric Joyner /** 285071d10453SEric Joyner * ice_if_stop - Stop the device 285171d10453SEric Joyner * @ctx: iflib context structure 285271d10453SEric Joyner * 285371d10453SEric Joyner * Called by iflib to stop the device and bring it down. (i.e. ifconfig ice0 285471d10453SEric Joyner * down) 285571d10453SEric Joyner * 285671d10453SEric Joyner * @pre assumes the caller holds the iflib CTX lock 285771d10453SEric Joyner */ 285871d10453SEric Joyner static void 285971d10453SEric Joyner ice_if_stop(if_ctx_t ctx) 286071d10453SEric Joyner { 286171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 286271d10453SEric Joyner 286371d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 286471d10453SEric Joyner 286571d10453SEric Joyner /* 286671d10453SEric Joyner * The iflib core may call IFDI_STOP prior to the first call to 286771d10453SEric Joyner * IFDI_INIT. This will cause us to attempt to remove MAC filters we 286871d10453SEric Joyner * don't have, and disable Tx queues which aren't yet configured. 286971d10453SEric Joyner * Although it is likely these extra operations are harmless, they do 287071d10453SEric Joyner * cause spurious warning messages to be displayed, which may confuse 287171d10453SEric Joyner * users. 287271d10453SEric Joyner * 287371d10453SEric Joyner * To avoid these messages, we use a state bit indicating if we've 287471d10453SEric Joyner * been initialized. It will be set when ice_if_init is called, and 287571d10453SEric Joyner * cleared here in ice_if_stop. 287671d10453SEric Joyner */ 287771d10453SEric Joyner if (!ice_testandclear_state(&sc->state, ICE_STATE_DRIVER_INITIALIZED)) 287871d10453SEric Joyner return; 287971d10453SEric Joyner 288071d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_RESET_FAILED)) { 288171d10453SEric Joyner device_printf(sc->dev, "request to stop interface cannot be completed as the device failed to reset\n"); 288271d10453SEric Joyner return; 288371d10453SEric Joyner } 288471d10453SEric Joyner 288571d10453SEric Joyner if (ice_test_state(&sc->state, ICE_STATE_PREPARED_FOR_RESET)) { 288671d10453SEric Joyner device_printf(sc->dev, "request to stop interface while device is prepared for impending reset\n"); 288771d10453SEric Joyner return; 288871d10453SEric Joyner } 288971d10453SEric Joyner 28908a13362dSEric Joyner ice_rdma_pf_stop(sc); 28918a13362dSEric Joyner 289271d10453SEric Joyner /* Remove the MAC filters, stop Tx, and stop Rx. We don't check the 289371d10453SEric Joyner * return of these functions because there's nothing we can really do 289471d10453SEric Joyner * if they fail, and the functions already print error messages. 289571d10453SEric Joyner * Just try to shut down as much as we can. 289671d10453SEric Joyner */ 289771d10453SEric Joyner ice_rm_pf_default_mac_filters(sc); 289871d10453SEric Joyner 289971d10453SEric Joyner /* Dissociate the Tx and Rx queues from the interrupts */ 290071d10453SEric Joyner ice_flush_txq_interrupts(&sc->pf_vsi); 290171d10453SEric Joyner ice_flush_rxq_interrupts(&sc->pf_vsi); 290271d10453SEric Joyner 290371d10453SEric Joyner /* Disable the Tx and Rx queues */ 290471d10453SEric Joyner ice_vsi_disable_tx(&sc->pf_vsi); 290571d10453SEric Joyner ice_control_rx_queues(&sc->pf_vsi, false); 290671d10453SEric Joyner } 290771d10453SEric Joyner 290871d10453SEric Joyner /** 290971d10453SEric Joyner * ice_if_get_counter - Get current value of an ifnet statistic 291071d10453SEric Joyner * @ctx: iflib context pointer 291171d10453SEric Joyner * @counter: ifnet counter to read 291271d10453SEric Joyner * 291371d10453SEric Joyner * Reads the current value of an ifnet counter for the device. 291471d10453SEric Joyner * 291571d10453SEric Joyner * This function is not protected by the iflib CTX lock. 291671d10453SEric Joyner */ 291771d10453SEric Joyner static uint64_t 291871d10453SEric Joyner ice_if_get_counter(if_ctx_t ctx, ift_counter counter) 291971d10453SEric Joyner { 292071d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 292171d10453SEric Joyner 292271d10453SEric Joyner /* Return the counter for the main PF VSI */ 292371d10453SEric Joyner return ice_get_ifnet_counter(&sc->pf_vsi, counter); 292471d10453SEric Joyner } 292571d10453SEric Joyner 292671d10453SEric Joyner /** 292771d10453SEric Joyner * ice_request_stack_reinit - Request that iflib re-initialize 292871d10453SEric Joyner * @sc: the device private softc 292971d10453SEric Joyner * 293071d10453SEric Joyner * Request that the device be brought down and up, to re-initialize. For 293171d10453SEric Joyner * example, this may be called when a device reset occurs, or when Tx and Rx 293271d10453SEric Joyner * queues need to be re-initialized. 293371d10453SEric Joyner * 293471d10453SEric Joyner * This is required because the iflib state is outside the driver, and must be 293571d10453SEric Joyner * re-initialized if we need to resart Tx and Rx queues. 293671d10453SEric Joyner */ 293771d10453SEric Joyner void 293871d10453SEric Joyner ice_request_stack_reinit(struct ice_softc *sc) 293971d10453SEric Joyner { 294071d10453SEric Joyner if (CTX_ACTIVE(sc->ctx)) { 294171d10453SEric Joyner iflib_request_reset(sc->ctx); 294271d10453SEric Joyner iflib_admin_intr_deferred(sc->ctx); 294371d10453SEric Joyner } 294471d10453SEric Joyner } 294571d10453SEric Joyner 294671d10453SEric Joyner /** 294771d10453SEric Joyner * ice_driver_is_detaching - Check if the driver is detaching/unloading 294871d10453SEric Joyner * @sc: device private softc 294971d10453SEric Joyner * 295071d10453SEric Joyner * Returns true if the driver is detaching, false otherwise. 295171d10453SEric Joyner * 295271d10453SEric Joyner * @remark on newer kernels, take advantage of iflib_in_detach in order to 295371d10453SEric Joyner * report detachment correctly as early as possible. 295471d10453SEric Joyner * 295571d10453SEric Joyner * @remark this function is used by various code paths that want to avoid 295671d10453SEric Joyner * running if the driver is about to be removed. This includes sysctls and 295771d10453SEric Joyner * other driver access points. Note that it does not fully resolve 295871d10453SEric Joyner * detach-based race conditions as it is possible for a thread to race with 295971d10453SEric Joyner * iflib_in_detach. 296071d10453SEric Joyner */ 296171d10453SEric Joyner bool 296271d10453SEric Joyner ice_driver_is_detaching(struct ice_softc *sc) 296371d10453SEric Joyner { 296471d10453SEric Joyner return (ice_test_state(&sc->state, ICE_STATE_DETACHING) || 296571d10453SEric Joyner iflib_in_detach(sc->ctx)); 296671d10453SEric Joyner } 296771d10453SEric Joyner 296871d10453SEric Joyner /** 296971d10453SEric Joyner * ice_if_priv_ioctl - Device private ioctl handler 297071d10453SEric Joyner * @ctx: iflib context pointer 297171d10453SEric Joyner * @command: The ioctl command issued 297271d10453SEric Joyner * @data: ioctl specific data 297371d10453SEric Joyner * 297471d10453SEric Joyner * iflib callback for handling custom driver specific ioctls. 297571d10453SEric Joyner * 297671d10453SEric Joyner * @pre Assumes that the iflib context lock is held. 297771d10453SEric Joyner */ 297871d10453SEric Joyner static int 297971d10453SEric Joyner ice_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data) 298071d10453SEric Joyner { 298171d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 298271d10453SEric Joyner struct ifdrv *ifd; 298371d10453SEric Joyner device_t dev = sc->dev; 298471d10453SEric Joyner 298571d10453SEric Joyner if (data == NULL) 298671d10453SEric Joyner return (EINVAL); 298771d10453SEric Joyner 298871d10453SEric Joyner ASSERT_CTX_LOCKED(sc); 298971d10453SEric Joyner 299071d10453SEric Joyner /* Make sure the command type is valid */ 299171d10453SEric Joyner switch (command) { 299271d10453SEric Joyner case SIOCSDRVSPEC: 299371d10453SEric Joyner case SIOCGDRVSPEC: 299471d10453SEric Joyner /* Accepted commands */ 299571d10453SEric Joyner break; 299671d10453SEric Joyner case SIOCGPRIVATE_0: 299771d10453SEric Joyner /* 299871d10453SEric Joyner * Although we do not support this ioctl command, it's 299971d10453SEric Joyner * expected that iflib will forward it to the IFDI_PRIV_IOCTL 300071d10453SEric Joyner * handler. Do not print a message in this case 300171d10453SEric Joyner */ 300271d10453SEric Joyner return (ENOTSUP); 300371d10453SEric Joyner default: 300471d10453SEric Joyner /* 300571d10453SEric Joyner * If we get a different command for this function, it's 300671d10453SEric Joyner * definitely unexpected, so log a message indicating what 300771d10453SEric Joyner * command we got for debugging purposes. 300871d10453SEric Joyner */ 300971d10453SEric Joyner device_printf(dev, "%s: unexpected ioctl command %08lx\n", 301071d10453SEric Joyner __func__, command); 301171d10453SEric Joyner return (EINVAL); 301271d10453SEric Joyner } 301371d10453SEric Joyner 301471d10453SEric Joyner ifd = (struct ifdrv *)data; 301571d10453SEric Joyner 301671d10453SEric Joyner switch (ifd->ifd_cmd) { 301771d10453SEric Joyner case ICE_NVM_ACCESS: 301871d10453SEric Joyner return ice_handle_nvm_access_ioctl(sc, ifd); 3019*8923de59SPiotr Kubaj case ICE_DEBUG_DUMP: 3020*8923de59SPiotr Kubaj return ice_handle_debug_dump_ioctl(sc, ifd); 302171d10453SEric Joyner default: 302271d10453SEric Joyner return EINVAL; 302371d10453SEric Joyner } 302471d10453SEric Joyner } 302571d10453SEric Joyner 302671d10453SEric Joyner /** 302771d10453SEric Joyner * ice_if_i2c_req - I2C request handler for iflib 302871d10453SEric Joyner * @ctx: iflib context pointer 302971d10453SEric Joyner * @req: The I2C parameters to use 303071d10453SEric Joyner * 303171d10453SEric Joyner * Read from the port's I2C eeprom using the parameters from the ioctl. 303271d10453SEric Joyner * 303371d10453SEric Joyner * @remark The iflib-only part is pretty simple. 303471d10453SEric Joyner */ 303571d10453SEric Joyner static int 303671d10453SEric Joyner ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req) 303771d10453SEric Joyner { 303871d10453SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 303971d10453SEric Joyner 304071d10453SEric Joyner return ice_handle_i2c_req(sc, req); 304171d10453SEric Joyner } 304271d10453SEric Joyner 30437d7af7f8SEric Joyner /** 30447d7af7f8SEric Joyner * ice_if_suspend - PCI device suspend handler for iflib 30457d7af7f8SEric Joyner * @ctx: iflib context pointer 30467d7af7f8SEric Joyner * 30477d7af7f8SEric Joyner * Deinitializes the driver and clears HW resources in preparation for 30487d7af7f8SEric Joyner * suspend or an FLR. 30497d7af7f8SEric Joyner * 30507d7af7f8SEric Joyner * @returns 0; this return value is ignored 30517d7af7f8SEric Joyner */ 30527d7af7f8SEric Joyner static int 30537d7af7f8SEric Joyner ice_if_suspend(if_ctx_t ctx) 30547d7af7f8SEric Joyner { 30557d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 30567d7af7f8SEric Joyner 30577d7af7f8SEric Joyner /* At least a PFR is always going to happen after this; 30587d7af7f8SEric Joyner * either via FLR or during the D3->D0 transition. 30597d7af7f8SEric Joyner */ 30607d7af7f8SEric Joyner ice_clear_state(&sc->state, ICE_STATE_RESET_PFR_REQ); 30617d7af7f8SEric Joyner 30627d7af7f8SEric Joyner ice_prepare_for_reset(sc); 30637d7af7f8SEric Joyner 30647d7af7f8SEric Joyner return (0); 30657d7af7f8SEric Joyner } 30667d7af7f8SEric Joyner 30677d7af7f8SEric Joyner /** 30687d7af7f8SEric Joyner * ice_if_resume - PCI device resume handler for iflib 30697d7af7f8SEric Joyner * @ctx: iflib context pointer 30707d7af7f8SEric Joyner * 30717d7af7f8SEric Joyner * Reinitializes the driver and the HW after PCI resume or after 30727d7af7f8SEric Joyner * an FLR. An init is performed by iflib after this function is finished. 30737d7af7f8SEric Joyner * 30747d7af7f8SEric Joyner * @returns 0; this return value is ignored 30757d7af7f8SEric Joyner */ 30767d7af7f8SEric Joyner static int 30777d7af7f8SEric Joyner ice_if_resume(if_ctx_t ctx) 30787d7af7f8SEric Joyner { 30797d7af7f8SEric Joyner struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); 30807d7af7f8SEric Joyner 30817d7af7f8SEric Joyner ice_rebuild(sc); 30827d7af7f8SEric Joyner 30837d7af7f8SEric Joyner return (0); 30847d7af7f8SEric Joyner } 30857d7af7f8SEric Joyner 3086