/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2013-2016 Qlogic Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * and ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * File: ql_os.c * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. */ #include #include "ql_os.h" #include "ql_hw.h" #include "ql_def.h" #include "ql_inline.h" #include "ql_ver.h" #include "ql_glbl.h" #include "ql_dbg.h" #include /* * Some PCI Configuration Space Related Defines */ #ifndef PCI_VENDOR_QLOGIC #define PCI_VENDOR_QLOGIC 0x1077 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP8030 #define PCI_PRODUCT_QLOGIC_ISP8030 0x8030 #endif #define PCI_QLOGIC_ISP8030 \ ((PCI_PRODUCT_QLOGIC_ISP8030 << 16) | PCI_VENDOR_QLOGIC) /* * static functions */ static int qla_alloc_parent_dma_tag(qla_host_t *ha); static void qla_free_parent_dma_tag(qla_host_t *ha); static int qla_alloc_xmt_bufs(qla_host_t *ha); static void qla_free_xmt_bufs(qla_host_t *ha); static int qla_alloc_rcv_bufs(qla_host_t *ha); static void qla_free_rcv_bufs(qla_host_t *ha); static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb); static void qla_init_ifnet(device_t dev, qla_host_t *ha); static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS); static void qla_release(qla_host_t *ha); static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error); static void qla_stop(qla_host_t *ha); static void qla_get_peer(qla_host_t *ha); static void qla_error_recovery(void *context, int pending); static void qla_async_event(void *context, int pending); static void qla_stats(void *context, int pending); static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx, uint32_t iscsi_pdu); /* * Hooks to the Operating Systems */ static int qla_pci_probe (device_t); static int qla_pci_attach (device_t); static int qla_pci_detach (device_t); static void qla_init(void *arg); static int qla_ioctl(if_t ifp, u_long cmd, caddr_t data); static int qla_media_change(if_t ifp); static void qla_media_status(if_t ifp, struct ifmediareq *ifmr); static int qla_transmit(if_t ifp, struct mbuf *mp); static void qla_qflush(if_t ifp); static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp); static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp); static int qla_create_fp_taskqueues(qla_host_t *ha); static void qla_destroy_fp_taskqueues(qla_host_t *ha); static void qla_drain_fp_taskqueues(qla_host_t *ha); static device_method_t qla_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, qla_pci_probe), DEVMETHOD(device_attach, qla_pci_attach), DEVMETHOD(device_detach, qla_pci_detach), { 0, 0 } }; static driver_t qla_pci_driver = { "ql", qla_pci_methods, sizeof (qla_host_t), }; DRIVER_MODULE(qla83xx, pci, qla_pci_driver, 0, 0); MODULE_DEPEND(qla83xx, pci, 1, 1, 1); MODULE_DEPEND(qla83xx, ether, 1, 1, 1); MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver"); #define QL_STD_REPLENISH_THRES 0 #define QL_JUMBO_REPLENISH_THRES 32 static char dev_str[64]; static char ver_str[64]; /* * Name: qla_pci_probe * Function: Validate the PCI device to be a QLA80XX device */ static int qla_pci_probe(device_t dev) { switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { case PCI_QLOGIC_ISP8030: snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d", "Qlogic ISP 83xx PCI CNA Adapter-Ethernet Function", QLA_VERSION_MAJOR, QLA_VERSION_MINOR, QLA_VERSION_BUILD); snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d", QLA_VERSION_MAJOR, QLA_VERSION_MINOR, QLA_VERSION_BUILD); device_set_desc(dev, dev_str); break; default: return (ENXIO); } if (bootverbose) printf("%s: %s\n ", __func__, dev_str); return (BUS_PROBE_DEFAULT); } static void qla_add_sysctls(qla_host_t *ha) { device_t dev = ha->pci_dev; SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "version", CTLFLAG_RD, ver_str, 0, "Driver Version"); SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "fw_version", CTLFLAG_RD, ha->fw_ver_str, 0, "firmware version"); SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "link_status", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)ha, 0, qla_sysctl_get_link_status, "I", "Link Status"); ha->dbg_level = 0; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "debug", CTLFLAG_RW, &ha->dbg_level, ha->dbg_level, "Debug Level"); ha->enable_minidump = 1; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "enable_minidump", CTLFLAG_RW, &ha->enable_minidump, ha->enable_minidump, "Minidump retrival prior to error recovery " "is enabled only when this is set"); ha->enable_driverstate_dump = 1; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW, &ha->enable_driverstate_dump, ha->enable_driverstate_dump, "Driver State retrival prior to error recovery " "is enabled only when this is set"); ha->enable_error_recovery = 1; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "enable_error_recovery", CTLFLAG_RW, &ha->enable_error_recovery, ha->enable_error_recovery, "when set error recovery is enabled on fatal errors " "otherwise the port is turned offline"); ha->ms_delay_after_init = 1000; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "ms_delay_after_init", CTLFLAG_RW, &ha->ms_delay_after_init, ha->ms_delay_after_init, "millisecond delay after hw_init"); ha->std_replenish = QL_STD_REPLENISH_THRES; SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "std_replenish", CTLFLAG_RW, &ha->std_replenish, ha->std_replenish, "Threshold for Replenishing Standard Frames"); SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "ipv4_lro", CTLFLAG_RD, &ha->ipv4_lro, "number of ipv4 lro completions"); SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "ipv6_lro", CTLFLAG_RD, &ha->ipv6_lro, "number of ipv6 lro completions"); SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "tx_tso_frames", CTLFLAG_RD, &ha->tx_tso_frames, "number of Tx TSO Frames"); SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "hw_vlan_tx_frames", CTLFLAG_RD, &ha->hw_vlan_tx_frames, "number of Tx VLAN Frames"); SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "hw_lock_failed", CTLFLAG_RD, &ha->hw_lock_failed, "number of hw_lock failures"); return; } static void qla_watchdog(void *arg) { qla_host_t *ha = arg; if_t ifp; ifp = ha->ifp; if (ha->qla_watchdog_exit) { ha->qla_watchdog_exited = 1; return; } ha->qla_watchdog_exited = 0; if (!ha->qla_watchdog_pause) { if (!ha->offline && (ql_hw_check_health(ha) || ha->qla_initiate_recovery || (ha->msg_from_peer == QL_PEER_MSG_RESET))) { if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); ql_update_link_state(ha); if (ha->enable_error_recovery) { ha->qla_watchdog_paused = 1; ha->qla_watchdog_pause = 1; ha->err_inject = 0; device_printf(ha->pci_dev, "%s: taskqueue_enqueue(err_task) \n", __func__); taskqueue_enqueue(ha->err_tq, &ha->err_task); } else { if (ifp != NULL) if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); ha->offline = 1; } return; } else { if (ha->qla_interface_up) { ha->watchdog_ticks++; if (ha->watchdog_ticks > 1000) ha->watchdog_ticks = 0; if (!ha->watchdog_ticks && QL_RUNNING(ifp)) { taskqueue_enqueue(ha->stats_tq, &ha->stats_task); } if (ha->async_event) { taskqueue_enqueue(ha->async_event_tq, &ha->async_event_task); } } ha->qla_watchdog_paused = 0; } } else { ha->qla_watchdog_paused = 1; } callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, qla_watchdog, ha); } /* * Name: qla_pci_attach * Function: attaches the device to the operating system */ static int qla_pci_attach(device_t dev) { qla_host_t *ha = NULL; uint32_t rsrc_len __unused; int i; uint32_t num_rcvq = 0; if ((ha = device_get_softc(dev)) == NULL) { device_printf(dev, "cannot get softc\n"); return (ENOMEM); } memset(ha, 0, sizeof (qla_host_t)); if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) { device_printf(dev, "device is not ISP8030\n"); return (ENXIO); } ha->pci_func = pci_get_function(dev) & 0x1; ha->pci_dev = dev; pci_enable_busmaster(dev); ha->reg_rid = PCIR_BAR(0); ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid, RF_ACTIVE); if (ha->pci_reg == NULL) { device_printf(dev, "unable to map any ports\n"); goto qla_pci_attach_err; } rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY, ha->reg_rid); mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF); mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF); ha->flags.lock_init = 1; qla_add_sysctls(ha); ha->hw.num_sds_rings = MAX_SDS_RINGS; ha->hw.num_rds_rings = MAX_RDS_RINGS; ha->hw.num_tx_rings = NUM_TX_RINGS; ha->reg_rid1 = PCIR_BAR(2); ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid1, RF_ACTIVE); ha->msix_count = pci_msix_count(dev); if (ha->msix_count < 1 ) { device_printf(dev, "%s: msix_count[%d] not enough\n", __func__, ha->msix_count); goto qla_pci_attach_err; } if (ha->msix_count < (ha->hw.num_sds_rings + 1)) { ha->hw.num_sds_rings = ha->msix_count - 1; } QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x" " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha, ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg, ha->pci_reg1)); /* initialize hardware */ if (ql_init_hw(ha)) { device_printf(dev, "%s: ql_init_hw failed\n", __func__); goto qla_pci_attach_err; } device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__, ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, ha->fw_ver_build); snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d", ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, ha->fw_ver_build); if (qla_get_nic_partition(ha, NULL, &num_rcvq)) { device_printf(dev, "%s: qla_get_nic_partition failed\n", __func__); goto qla_pci_attach_err; } QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x" " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n", __func__, ha, ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg, ha->pci_reg1, num_rcvq)); if ((ha->msix_count < 64) || (num_rcvq != 32)) { if (ha->hw.num_sds_rings > 15) { ha->hw.num_sds_rings = 15; } } ha->hw.num_rds_rings = ha->hw.num_sds_rings; ha->hw.num_tx_rings = ha->hw.num_sds_rings; #ifdef QL_ENABLE_ISCSI_TLV ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2; #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ ql_hw_add_sysctls(ha); ha->msix_count = ha->hw.num_sds_rings + 1; if (pci_alloc_msix(dev, &ha->msix_count)) { device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__, ha->msix_count); ha->msix_count = 0; goto qla_pci_attach_err; } ha->mbx_irq_rid = 1; ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &ha->mbx_irq_rid, (RF_ACTIVE | RF_SHAREABLE)); if (ha->mbx_irq == NULL) { device_printf(dev, "could not allocate mbx interrupt\n"); goto qla_pci_attach_err; } if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE), NULL, ql_mbx_isr, ha, &ha->mbx_handle)) { device_printf(dev, "could not setup mbx interrupt\n"); goto qla_pci_attach_err; } for (i = 0; i < ha->hw.num_sds_rings; i++) { ha->irq_vec[i].sds_idx = i; ha->irq_vec[i].ha = ha; ha->irq_vec[i].irq_rid = 2 + i; ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &ha->irq_vec[i].irq_rid, (RF_ACTIVE | RF_SHAREABLE)); if (ha->irq_vec[i].irq == NULL) { device_printf(dev, "could not allocate interrupt\n"); goto qla_pci_attach_err; } if (bus_setup_intr(dev, ha->irq_vec[i].irq, (INTR_TYPE_NET | INTR_MPSAFE), NULL, ql_isr, &ha->irq_vec[i], &ha->irq_vec[i].handle)) { device_printf(dev, "could not setup interrupt\n"); goto qla_pci_attach_err; } ha->tx_fp[i].ha = ha; ha->tx_fp[i].txr_idx = i; if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) { device_printf(dev, "%s: could not allocate tx_br[%d]\n", __func__, i); goto qla_pci_attach_err; } } if (qla_create_fp_taskqueues(ha) != 0) goto qla_pci_attach_err; printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus, ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count); ql_read_mac_addr(ha); /* allocate parent dma tag */ if (qla_alloc_parent_dma_tag(ha)) { device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n", __func__); goto qla_pci_attach_err; } /* alloc all dma buffers */ if (ql_alloc_dma(ha)) { device_printf(dev, "%s: ql_alloc_dma failed\n", __func__); goto qla_pci_attach_err; } qla_get_peer(ha); if (ql_minidump_init(ha) != 0) { device_printf(dev, "%s: ql_minidump_init failed\n", __func__); goto qla_pci_attach_err; } ql_alloc_drvr_state_buffer(ha); ql_alloc_sp_log_buffer(ha); /* create the o.s ethernet interface */ qla_init_ifnet(dev, ha); ha->flags.qla_watchdog_active = 1; ha->qla_watchdog_pause = 0; callout_init(&ha->tx_callout, TRUE); ha->flags.qla_callout_init = 1; /* create ioctl device interface */ if (ql_make_cdev(ha)) { device_printf(dev, "%s: ql_make_cdev failed\n", __func__); goto qla_pci_attach_err; } callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, qla_watchdog, ha); TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha); ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT, taskqueue_thread_enqueue, &ha->err_tq); taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq", device_get_nameunit(ha->pci_dev)); TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha); ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT, taskqueue_thread_enqueue, &ha->async_event_tq); taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq", device_get_nameunit(ha->pci_dev)); TASK_INIT(&ha->stats_task, 0, qla_stats, ha); ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT, taskqueue_thread_enqueue, &ha->stats_tq); taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq", device_get_nameunit(ha->pci_dev)); QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__)); return (0); qla_pci_attach_err: qla_release(ha); if (ha->flags.lock_init) { mtx_destroy(&ha->hw_lock); mtx_destroy(&ha->sp_log_lock); } QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__)); return (ENXIO); } /* * Name: qla_pci_detach * Function: Unhooks the device from the operating system */ static int qla_pci_detach(device_t dev) { qla_host_t *ha = NULL; if_t ifp; if ((ha = device_get_softc(dev)) == NULL) { device_printf(dev, "cannot get softc\n"); return (ENOMEM); } QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); ifp = ha->ifp; if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); QLA_LOCK(ha, __func__, -1, 0); ha->qla_detach_active = 1; qla_stop(ha); qla_release(ha); QLA_UNLOCK(ha, __func__); if (ha->flags.lock_init) { mtx_destroy(&ha->hw_lock); mtx_destroy(&ha->sp_log_lock); } QL_DPRINT2(ha, (dev, "%s: exit\n", __func__)); return (0); } /* * SYSCTL Related Callbacks */ static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS) { int err, ret = 0; qla_host_t *ha; err = sysctl_handle_int(oidp, &ret, 0, req); if (err || !req->newptr) return (err); if (ret == 1) { ha = (qla_host_t *)arg1; ql_hw_link_status(ha); } return (err); } /* * Name: qla_release * Function: Releases the resources allocated for the device */ static void qla_release(qla_host_t *ha) { device_t dev; int i; dev = ha->pci_dev; if (ha->async_event_tq) { taskqueue_drain_all(ha->async_event_tq); taskqueue_free(ha->async_event_tq); } if (ha->err_tq) { taskqueue_drain_all(ha->err_tq); taskqueue_free(ha->err_tq); } if (ha->stats_tq) { taskqueue_drain_all(ha->stats_tq); taskqueue_free(ha->stats_tq); } ql_del_cdev(ha); if (ha->flags.qla_watchdog_active) { ha->qla_watchdog_exit = 1; while (ha->qla_watchdog_exited == 0) qla_mdelay(__func__, 1); } if (ha->flags.qla_callout_init) callout_stop(&ha->tx_callout); if (ha->ifp != NULL) ether_ifdetach(ha->ifp); ql_free_drvr_state_buffer(ha); ql_free_sp_log_buffer(ha); ql_free_dma(ha); qla_free_parent_dma_tag(ha); if (ha->mbx_handle) (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle); if (ha->mbx_irq) (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid, ha->mbx_irq); for (i = 0; i < ha->hw.num_sds_rings; i++) { if (ha->irq_vec[i].handle) { (void)bus_teardown_intr(dev, ha->irq_vec[i].irq, ha->irq_vec[i].handle); } if (ha->irq_vec[i].irq) { (void)bus_release_resource(dev, SYS_RES_IRQ, ha->irq_vec[i].irq_rid, ha->irq_vec[i].irq); } qla_free_tx_br(ha, &ha->tx_fp[i]); } qla_destroy_fp_taskqueues(ha); if (ha->msix_count) pci_release_msi(dev); if (ha->pci_reg) (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid, ha->pci_reg); if (ha->pci_reg1) (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1, ha->pci_reg1); return; } /* * DMA Related Functions */ static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { *((bus_addr_t *)arg) = 0; if (error) { printf("%s: bus_dmamap_load failed (%d)\n", __func__, error); return; } *((bus_addr_t *)arg) = segs[0].ds_addr; return; } int ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) { int ret = 0; device_t dev; bus_addr_t b_addr; dev = ha->pci_dev; QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); ret = bus_dma_tag_create( ha->parent_tag,/* parent */ dma_buf->alignment, ((bus_size_t)(1ULL << 32)),/* boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ dma_buf->size, /* maxsize */ 1, /* nsegments */ dma_buf->size, /* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &dma_buf->dma_tag); if (ret) { device_printf(dev, "%s: could not create dma tag\n", __func__); goto ql_alloc_dmabuf_exit; } ret = bus_dmamem_alloc(dma_buf->dma_tag, (void **)&dma_buf->dma_b, (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT), &dma_buf->dma_map); if (ret) { bus_dma_tag_destroy(dma_buf->dma_tag); device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__); goto ql_alloc_dmabuf_exit; } ret = bus_dmamap_load(dma_buf->dma_tag, dma_buf->dma_map, dma_buf->dma_b, dma_buf->size, qla_dmamap_callback, &b_addr, BUS_DMA_NOWAIT); if (ret || !b_addr) { bus_dma_tag_destroy(dma_buf->dma_tag); bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map); ret = -1; goto ql_alloc_dmabuf_exit; } dma_buf->dma_addr = b_addr; ql_alloc_dmabuf_exit: QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n", __func__, ret, (void *)dma_buf->dma_tag, (void *)dma_buf->dma_map, (void *)dma_buf->dma_b, dma_buf->size)); return ret; } void ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) { bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map); bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map); bus_dma_tag_destroy(dma_buf->dma_tag); } static int qla_alloc_parent_dma_tag(qla_host_t *ha) { int ret; device_t dev; dev = ha->pci_dev; /* * Allocate parent DMA Tag */ ret = bus_dma_tag_create( bus_get_dma_tag(dev), /* parent */ 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 0, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 0, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &ha->parent_tag); if (ret) { device_printf(dev, "%s: could not create parent dma tag\n", __func__); return (-1); } ha->flags.parent_tag = 1; return (0); } static void qla_free_parent_dma_tag(qla_host_t *ha) { if (ha->flags.parent_tag) { bus_dma_tag_destroy(ha->parent_tag); ha->flags.parent_tag = 0; } } /* * Name: qla_init_ifnet * Function: Creates the Network Device Interface and Registers it with the O.S */ static void qla_init_ifnet(device_t dev, qla_host_t *ha) { if_t ifp; QL_DPRINT2(ha, (dev, "%s: enter\n", __func__)); ifp = ha->ifp = if_alloc(IFT_ETHER); if_initname(ifp, device_get_name(dev), device_get_unit(dev)); if_setbaudrate(ifp, IF_Gbps(10)); if_setcapabilities(ifp, IFCAP_LINKSTATE); if_setmtu(ifp, ETHERMTU); if_setinitfn(ifp, qla_init); if_setsoftc(ifp, ha); if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); if_setioctlfn(ifp, qla_ioctl); if_settransmitfn(ifp, qla_transmit); if_setqflushfn(ifp, qla_qflush); if_setsendqlen(ifp, qla_get_ifq_snd_maxlen(ha)); if_setsendqready(ifp); ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN; ether_ifattach(ifp, qla_get_mac_addr(ha)); if_setcapabilitiesbit(ifp, IFCAP_HWCSUM | IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_JUMBO_MTU | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_VLAN_HWTSO | IFCAP_LRO, 0); if_setcapenable(ifp, if_getcapabilities(ifp)); if_setifheaderlen(ifp, sizeof(struct ether_vlan_header)); ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status); ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0, NULL); ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL); ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO)); QL_DPRINT2(ha, (dev, "%s: exit\n", __func__)); return; } static void qla_init_locked(qla_host_t *ha) { if_t ifp = ha->ifp; ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0); qla_stop(ha); if (qla_alloc_xmt_bufs(ha) != 0) return; qla_confirm_9kb_enable(ha); if (qla_alloc_rcv_bufs(ha) != 0) return; bcopy(if_getlladdr(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN); if_sethwassist(ifp, CSUM_TCP | CSUM_UDP | CSUM_TSO); if_sethwassistbits(ifp, CSUM_TCP_IPV6 | CSUM_UDP_IPV6, 0); ha->stop_rcv = 0; if (ql_init_hw_if(ha) == 0) { ifp = ha->ifp; if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); ha->hw_vlan_tx_frames = 0; ha->tx_tso_frames = 0; ha->qla_interface_up = 1; ql_update_link_state(ha); } else { if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE) ha->hw.sp_log_stop = -1; } ha->qla_watchdog_pause = 0; return; } static void qla_init(void *arg) { qla_host_t *ha; ha = (qla_host_t *)arg; QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); if (QLA_LOCK(ha, __func__, -1, 0) != 0) return; qla_init_locked(ha); QLA_UNLOCK(ha, __func__); QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); } static u_int qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt) { uint8_t *mta = arg; if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS) return (0); bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN); return (1); } static int qla_set_multi(qla_host_t *ha, uint32_t add_multi) { uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN]; int mcnt = 0; if_t ifp = ha->ifp; int ret = 0; mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta); if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, QLA_LOCK_NO_SLEEP) != 0) return (-1); ql_sp_log(ha, 12, 4, if_getdrvflags(ifp), (if_getdrvflags(ifp) & IFF_DRV_RUNNING), add_multi, (uint32_t)mcnt, 0); if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { if (!add_multi) { ret = qla_hw_del_all_mcast(ha); if (ret) device_printf(ha->pci_dev, "%s: qla_hw_del_all_mcast() failed\n", __func__); } if (!ret) ret = ql_hw_set_multi(ha, mta, mcnt, 1); } QLA_UNLOCK(ha, __func__); return (ret); } static int qla_ioctl(if_t ifp, u_long cmd, caddr_t data) { int ret = 0; struct ifreq *ifr = (struct ifreq *)data; #ifdef INET struct ifaddr *ifa = (struct ifaddr *)data; #endif qla_host_t *ha; ha = (qla_host_t *)if_getsoftc(ifp); if (ha->offline || ha->qla_initiate_recovery) return (ret); switch (cmd) { case SIOCSIFADDR: QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n", __func__, cmd)); #ifdef INET if (ifa->ifa_addr->sa_family == AF_INET) { ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, QLA_LOCK_NO_SLEEP); if (ret) break; if_setflagbits(ifp, IFF_UP, 0); ql_sp_log(ha, 8, 3, if_getdrvflags(ifp), (if_getdrvflags(ifp) & IFF_DRV_RUNNING), ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0); if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) { qla_init_locked(ha); } QLA_UNLOCK(ha, __func__); QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n", __func__, cmd, ntohl(IA_SIN(ifa)->sin_addr.s_addr))); arp_ifinit(ifp, ifa); break; } #endif ether_ioctl(ifp, cmd, data); break; case SIOCSIFMTU: QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n", __func__, cmd)); if (ifr->ifr_mtu > QLA_MAX_MTU) { ret = EINVAL; } else { ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, QLA_LOCK_NO_SLEEP); if (ret) break; if_setmtu(ifp, ifr->ifr_mtu); ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN; ql_sp_log(ha, 9, 4, if_getdrvflags(ifp), (if_getdrvflags(ifp) & IFF_DRV_RUNNING), ha->max_frame_size, if_getmtu(ifp), 0); if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { qla_init_locked(ha); } if (if_getmtu(ifp) > ETHERMTU) ha->std_replenish = QL_JUMBO_REPLENISH_THRES; else ha->std_replenish = QL_STD_REPLENISH_THRES; QLA_UNLOCK(ha, __func__); } break; case SIOCSIFFLAGS: QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n", __func__, cmd)); ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, QLA_LOCK_NO_SLEEP); if (ret) break; ql_sp_log(ha, 10, 4, if_getdrvflags(ifp), (if_getdrvflags(ifp) & IFF_DRV_RUNNING), ha->if_flags, if_getflags(ifp), 0); if (if_getflags(ifp) & IFF_UP) { ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN; qla_init_locked(ha); if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { if ((if_getflags(ifp) ^ ha->if_flags) & IFF_PROMISC) { ret = ql_set_promisc(ha); } else if ((if_getflags(ifp) ^ ha->if_flags) & IFF_ALLMULTI) { ret = ql_set_allmulti(ha); } } } else { if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) qla_stop(ha); ha->if_flags = if_getflags(ifp); } QLA_UNLOCK(ha, __func__); break; case SIOCADDMULTI: QL_DPRINT4(ha, (ha->pci_dev, "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd)); if (qla_set_multi(ha, 1)) ret = EINVAL; break; case SIOCDELMULTI: QL_DPRINT4(ha, (ha->pci_dev, "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd)); if (qla_set_multi(ha, 0)) ret = EINVAL; break; case SIOCSIFMEDIA: case SIOCGIFMEDIA: QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n", __func__, cmd)); ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd); break; case SIOCSIFCAP: { int mask = ifr->ifr_reqcap ^ if_getcapenable(ifp); QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n", __func__, cmd)); if (mask & IFCAP_HWCSUM) if_togglecapenable(ifp, IFCAP_HWCSUM); if (mask & IFCAP_TSO4) if_togglecapenable(ifp, IFCAP_TSO4); if (mask & IFCAP_TSO6) if_togglecapenable(ifp, IFCAP_TSO6); if (mask & IFCAP_VLAN_HWTAGGING) if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING); if (mask & IFCAP_VLAN_HWTSO) if_togglecapenable(ifp, IFCAP_VLAN_HWTSO); if (mask & IFCAP_LRO) if_togglecapenable(ifp, IFCAP_LRO); if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT, QLA_LOCK_NO_SLEEP); if (ret) break; ql_sp_log(ha, 11, 4, if_getdrvflags(ifp), (if_getdrvflags(ifp) & IFF_DRV_RUNNING), mask, if_getcapenable(ifp), 0); qla_init_locked(ha); QLA_UNLOCK(ha, __func__); } VLAN_CAPABILITIES(ifp); break; } default: QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n", __func__, cmd)); ret = ether_ioctl(ifp, cmd, data); break; } return (ret); } static int qla_media_change(if_t ifp) { qla_host_t *ha; struct ifmedia *ifm; int ret = 0; ha = (qla_host_t *)if_getsoftc(ifp); QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); ifm = &ha->media; if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) ret = EINVAL; QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); return (ret); } static void qla_media_status(if_t ifp, struct ifmediareq *ifmr) { qla_host_t *ha; ha = (qla_host_t *)if_getsoftc(ifp); QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; ql_update_link_state(ha); if (ha->hw.link_up) { ifmr->ifm_status |= IFM_ACTIVE; ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha)); } QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\ (ha->hw.link_up ? "link_up" : "link_down"))); return; } static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx, uint32_t iscsi_pdu) { bus_dma_segment_t segs[QLA_MAX_SEGMENTS]; bus_dmamap_t map; int nsegs; int ret = -1; uint32_t tx_idx; struct mbuf *m_head = *m_headp; QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__)); tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next; if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) || (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){ QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\ "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\ ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head)); QL_DPRINT2(ha, (ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d " "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx, ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head)); if (m_head) m_freem(m_head); *m_headp = NULL; QL_INITIATE_RECOVERY(ha); return (ret); } map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map; ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs, BUS_DMA_NOWAIT); if (ret == EFBIG) { struct mbuf *m; QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__, m_head->m_pkthdr.len)); m = m_defrag(m_head, M_NOWAIT); if (m == NULL) { ha->err_tx_defrag++; m_freem(m_head); *m_headp = NULL; device_printf(ha->pci_dev, "%s: m_defrag() = NULL [%d]\n", __func__, ret); return (ENOBUFS); } m_head = m; *m_headp = m_head; if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs, BUS_DMA_NOWAIT))) { ha->err_tx_dmamap_load++; device_printf(ha->pci_dev, "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n", __func__, ret, m_head->m_pkthdr.len); if (ret != ENOMEM) { m_freem(m_head); *m_headp = NULL; } return (ret); } } else if (ret) { ha->err_tx_dmamap_load++; device_printf(ha->pci_dev, "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n", __func__, ret, m_head->m_pkthdr.len); if (ret != ENOMEM) { m_freem(m_head); *m_headp = NULL; } return (ret); } QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet")); bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE); if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx, iscsi_pdu))) { ha->tx_ring[txr_idx].count++; if (iscsi_pdu) ha->tx_ring[txr_idx].iscsi_pkt_count++; ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head; } else { bus_dmamap_unload(ha->tx_tag, map); if (ret == EINVAL) { if (m_head) m_freem(m_head); *m_headp = NULL; } } QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__)); return (ret); } static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp) { snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name), "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx); mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF); fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF, M_NOWAIT, &fp->tx_mtx); if (fp->tx_br == NULL) { QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for " " fp[%d, %d]\n", ha->pci_func, fp->txr_idx)); return (-ENOMEM); } return 0; } static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp) { struct mbuf *mp; if_t ifp = ha->ifp; if (mtx_initialized(&fp->tx_mtx)) { if (fp->tx_br != NULL) { mtx_lock(&fp->tx_mtx); while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) { m_freem(mp); } mtx_unlock(&fp->tx_mtx); buf_ring_free(fp->tx_br, M_DEVBUF); fp->tx_br = NULL; } mtx_destroy(&fp->tx_mtx); } return; } static void qla_fp_taskqueue(void *context, int pending) { qla_tx_fp_t *fp; qla_host_t *ha; if_t ifp; struct mbuf *mp = NULL; int ret = 0; uint32_t txr_idx; uint32_t iscsi_pdu = 0; uint32_t rx_pkts_left = -1; fp = context; if (fp == NULL) return; ha = (qla_host_t *)fp->ha; ifp = ha->ifp; txr_idx = fp->txr_idx; mtx_lock(&fp->tx_mtx); if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING) || (!ha->hw.link_up)) { mtx_unlock(&fp->tx_mtx); goto qla_fp_taskqueue_exit; } while (rx_pkts_left && !ha->stop_rcv && (if_getdrvflags(ifp) & IFF_DRV_RUNNING) && ha->hw.link_up) { rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64); #ifdef QL_ENABLE_ISCSI_TLV ql_hw_tx_done_locked(ha, fp->txr_idx); ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1))); #else ql_hw_tx_done_locked(ha, fp->txr_idx); #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ mp = drbr_peek(ifp, fp->tx_br); while (mp != NULL) { if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) { #ifdef QL_ENABLE_ISCSI_TLV if (ql_iscsi_pdu(ha, mp) == 0) { txr_idx = txr_idx + (ha->hw.num_tx_rings >> 1); iscsi_pdu = 1; } else { iscsi_pdu = 0; txr_idx = fp->txr_idx; } #endif /* #ifdef QL_ENABLE_ISCSI_TLV */ } ret = qla_send(ha, &mp, txr_idx, iscsi_pdu); if (ret) { if (mp != NULL) drbr_putback(ifp, fp->tx_br, mp); else { drbr_advance(ifp, fp->tx_br); } mtx_unlock(&fp->tx_mtx); goto qla_fp_taskqueue_exit0; } else { drbr_advance(ifp, fp->tx_br); } /* Send a copy of the frame to the BPF listener */ ETHER_BPF_MTAP(ifp, mp); if (((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) || (!ha->hw.link_up)) break; mp = drbr_peek(ifp, fp->tx_br); } } mtx_unlock(&fp->tx_mtx); if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) goto qla_fp_taskqueue_exit; qla_fp_taskqueue_exit0: if (rx_pkts_left || ((mp != NULL) && ret)) { taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task); } else { if (!ha->stop_rcv) { QL_ENABLE_INTERRUPTS(ha, fp->txr_idx); } } qla_fp_taskqueue_exit: QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret)); return; } static int qla_create_fp_taskqueues(qla_host_t *ha) { int i; uint8_t tq_name[32]; for (i = 0; i < ha->hw.num_sds_rings; i++) { qla_tx_fp_t *fp = &ha->tx_fp[i]; bzero(tq_name, sizeof (tq_name)); snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i); NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp); fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT, taskqueue_thread_enqueue, &fp->fp_taskqueue); if (fp->fp_taskqueue == NULL) return (-1); taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s", tq_name); QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__, fp->fp_taskqueue)); } return (0); } static void qla_destroy_fp_taskqueues(qla_host_t *ha) { int i; for (i = 0; i < ha->hw.num_sds_rings; i++) { qla_tx_fp_t *fp = &ha->tx_fp[i]; if (fp->fp_taskqueue != NULL) { taskqueue_drain_all(fp->fp_taskqueue); taskqueue_free(fp->fp_taskqueue); fp->fp_taskqueue = NULL; } } return; } static void qla_drain_fp_taskqueues(qla_host_t *ha) { int i; for (i = 0; i < ha->hw.num_sds_rings; i++) { qla_tx_fp_t *fp = &ha->tx_fp[i]; if (fp->fp_taskqueue != NULL) { taskqueue_drain_all(fp->fp_taskqueue); } } return; } static int qla_transmit(if_t ifp, struct mbuf *mp) { qla_host_t *ha = (qla_host_t *)if_getsoftc(ifp); qla_tx_fp_t *fp; int rss_id = 0; int ret = 0; QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) % ha->hw.num_sds_rings; fp = &ha->tx_fp[rss_id]; if (fp->tx_br == NULL) { ret = EINVAL; goto qla_transmit_exit; } if (mp != NULL) { ret = drbr_enqueue(ifp, fp->tx_br, mp); } if (fp->fp_taskqueue != NULL) taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task); ret = 0; qla_transmit_exit: QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret)); return ret; } static void qla_qflush(if_t ifp) { int i; qla_tx_fp_t *fp; struct mbuf *mp; qla_host_t *ha; ha = (qla_host_t *)if_getsoftc(ifp); QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); for (i = 0; i < ha->hw.num_sds_rings; i++) { fp = &ha->tx_fp[i]; if (fp == NULL) continue; if (fp->tx_br) { mtx_lock(&fp->tx_mtx); while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) { m_freem(mp); } mtx_unlock(&fp->tx_mtx); } } QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); return; } static void qla_stop(qla_host_t *ha) { if_t ifp = ha->ifp; int i = 0; ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0); if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); ha->qla_watchdog_pause = 1; for (i = 0; i < ha->hw.num_sds_rings; i++) { qla_tx_fp_t *fp; fp = &ha->tx_fp[i]; if (fp == NULL) continue; if (fp->tx_br != NULL) { mtx_lock(&fp->tx_mtx); mtx_unlock(&fp->tx_mtx); } } while (!ha->qla_watchdog_paused) qla_mdelay(__func__, 1); ha->qla_interface_up = 0; qla_drain_fp_taskqueues(ha); ql_del_hw_if(ha); qla_free_xmt_bufs(ha); qla_free_rcv_bufs(ha); return; } /* * Buffer Management Functions for Transmit and Receive Rings */ static int qla_alloc_xmt_bufs(qla_host_t *ha) { int ret = 0; uint32_t i, j; qla_tx_buf_t *txb; if (bus_dma_tag_create(NULL, /* parent */ 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ QLA_MAX_TSO_FRAME_SIZE, /* maxsize */ QLA_MAX_SEGMENTS, /* nsegments */ PAGE_SIZE, /* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ NULL, /* lockfunc */ NULL, /* lockfuncarg */ &ha->tx_tag)) { device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n", __func__); return (ENOMEM); } for (i = 0; i < ha->hw.num_tx_rings; i++) { bzero((void *)ha->tx_ring[i].tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); } for (j = 0; j < ha->hw.num_tx_rings; j++) { for (i = 0; i < NUM_TX_DESCRIPTORS; i++) { txb = &ha->tx_ring[j].tx_buf[i]; if ((ret = bus_dmamap_create(ha->tx_tag, BUS_DMA_NOWAIT, &txb->map))) { ha->err_tx_dmamap_create++; device_printf(ha->pci_dev, "%s: bus_dmamap_create failed[%d]\n", __func__, ret); qla_free_xmt_bufs(ha); return (ret); } } } return 0; } /* * Release mbuf after it sent on the wire */ static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb) { QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); if (txb->m_head) { bus_dmamap_sync(ha->tx_tag, txb->map, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(ha->tx_tag, txb->map); m_freem(txb->m_head); txb->m_head = NULL; bus_dmamap_destroy(ha->tx_tag, txb->map); txb->map = NULL; } if (txb->map) { bus_dmamap_unload(ha->tx_tag, txb->map); bus_dmamap_destroy(ha->tx_tag, txb->map); txb->map = NULL; } QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__)); } static void qla_free_xmt_bufs(qla_host_t *ha) { int i, j; for (j = 0; j < ha->hw.num_tx_rings; j++) { for (i = 0; i < NUM_TX_DESCRIPTORS; i++) qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]); } if (ha->tx_tag != NULL) { bus_dma_tag_destroy(ha->tx_tag); ha->tx_tag = NULL; } for (i = 0; i < ha->hw.num_tx_rings; i++) { bzero((void *)ha->tx_ring[i].tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); } return; } static int qla_alloc_rcv_std(qla_host_t *ha) { int i, j, k, r, ret = 0; qla_rx_buf_t *rxb; qla_rx_ring_t *rx_ring; for (r = 0; r < ha->hw.num_rds_rings; r++) { rx_ring = &ha->rx_ring[r]; for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { rxb = &rx_ring->rx_buf[i]; ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map); if (ret) { device_printf(ha->pci_dev, "%s: dmamap[%d, %d] failed\n", __func__, r, i); for (k = 0; k < r; k++) { for (j = 0; j < NUM_RX_DESCRIPTORS; j++) { rxb = &ha->rx_ring[k].rx_buf[j]; bus_dmamap_destroy(ha->rx_tag, rxb->map); } } for (j = 0; j < i; j++) { bus_dmamap_destroy(ha->rx_tag, rx_ring->rx_buf[j].map); } goto qla_alloc_rcv_std_err; } } } qla_init_hw_rcv_descriptors(ha); for (r = 0; r < ha->hw.num_rds_rings; r++) { rx_ring = &ha->rx_ring[r]; for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { rxb = &rx_ring->rx_buf[i]; rxb->handle = i; if (!(ret = ql_get_mbuf(ha, rxb, NULL))) { /* * set the physical address in the * corresponding descriptor entry in the * receive ring/queue for the hba */ qla_set_hw_rcv_desc(ha, r, i, rxb->handle, rxb->paddr, (rxb->m_head)->m_pkthdr.len); } else { device_printf(ha->pci_dev, "%s: ql_get_mbuf [%d, %d] failed\n", __func__, r, i); bus_dmamap_destroy(ha->rx_tag, rxb->map); goto qla_alloc_rcv_std_err; } } } return 0; qla_alloc_rcv_std_err: return (-1); } static void qla_free_rcv_std(qla_host_t *ha) { int i, r; qla_rx_buf_t *rxb; for (r = 0; r < ha->hw.num_rds_rings; r++) { for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { rxb = &ha->rx_ring[r].rx_buf[i]; if (rxb->m_head != NULL) { bus_dmamap_unload(ha->rx_tag, rxb->map); bus_dmamap_destroy(ha->rx_tag, rxb->map); m_freem(rxb->m_head); rxb->m_head = NULL; } } } return; } static int qla_alloc_rcv_bufs(qla_host_t *ha) { int i, ret = 0; if (bus_dma_tag_create(NULL, /* parent */ 1, 0, /* alignment, bounds */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MJUM9BYTES, /* maxsize */ 1, /* nsegments */ MJUM9BYTES, /* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ NULL, /* lockfunc */ NULL, /* lockfuncarg */ &ha->rx_tag)) { device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n", __func__); return (ENOMEM); } bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS)); for (i = 0; i < ha->hw.num_sds_rings; i++) { ha->hw.sds[i].sdsr_next = 0; ha->hw.sds[i].rxb_free = NULL; ha->hw.sds[i].rx_free = 0; } ret = qla_alloc_rcv_std(ha); return (ret); } static void qla_free_rcv_bufs(qla_host_t *ha) { int i; qla_free_rcv_std(ha); if (ha->rx_tag != NULL) { bus_dma_tag_destroy(ha->rx_tag); ha->rx_tag = NULL; } bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS)); for (i = 0; i < ha->hw.num_sds_rings; i++) { ha->hw.sds[i].sdsr_next = 0; ha->hw.sds[i].rxb_free = NULL; ha->hw.sds[i].rx_free = 0; } return; } int ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp) { register struct mbuf *mp = nmp; int ret = 0; uint32_t offset; bus_dma_segment_t segs[1]; int nsegs, mbuf_size; QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__)); if (ha->hw.enable_9kb) mbuf_size = MJUM9BYTES; else mbuf_size = MCLBYTES; if (mp == NULL) { if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE)) return(-1); if (ha->hw.enable_9kb) mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size); else mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); if (mp == NULL) { ha->err_m_getcl++; ret = ENOBUFS; device_printf(ha->pci_dev, "%s: m_getcl failed\n", __func__); goto exit_ql_get_mbuf; } mp->m_len = mp->m_pkthdr.len = mbuf_size; } else { mp->m_len = mp->m_pkthdr.len = mbuf_size; mp->m_data = mp->m_ext.ext_buf; mp->m_next = NULL; } offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL); if (offset) { offset = 8 - offset; m_adj(mp, offset); } /* * Using memory from the mbuf cluster pool, invoke the bus_dma * machinery to arrange the memory mapping. */ ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map, mp, segs, &nsegs, BUS_DMA_NOWAIT); rxb->paddr = segs[0].ds_addr; if (ret || !rxb->paddr || (nsegs != 1)) { m_free(mp); rxb->m_head = NULL; device_printf(ha->pci_dev, "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n", __func__, ret, (long long unsigned int)rxb->paddr, nsegs); ret = -1; goto exit_ql_get_mbuf; } rxb->m_head = mp; bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD); exit_ql_get_mbuf: QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret)); return (ret); } static void qla_get_peer(qla_host_t *ha) { device_t *peers; int count, i, slot; int my_slot = pci_get_slot(ha->pci_dev); if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count)) return; for (i = 0; i < count; i++) { slot = pci_get_slot(peers[i]); if ((slot >= 0) && (slot == my_slot) && (pci_get_device(peers[i]) == pci_get_device(ha->pci_dev))) { if (ha->pci_dev != peers[i]) ha->peer_dev = peers[i]; } } } static void qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer) { qla_host_t *ha_peer; if (ha->peer_dev) { if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) { ha_peer->msg_from_peer = msg_to_peer; } } } void qla_set_error_recovery(qla_host_t *ha) { if_t ifp = ha->ifp; if (!cold && ha->enable_error_recovery) { if (ifp) if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); ha->qla_initiate_recovery = 1; } else ha->offline = 1; return; } static void qla_error_recovery(void *context, int pending) { qla_host_t *ha = context; uint32_t msecs_100 = 400; if_t ifp = ha->ifp; int i = 0; device_printf(ha->pci_dev, "%s: enter\n", __func__); ha->hw.imd_compl = 1; taskqueue_drain_all(ha->stats_tq); taskqueue_drain_all(ha->async_event_tq); if (QLA_LOCK(ha, __func__, -1, 0) != 0) return; device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n", __func__, qla_get_usec_timestamp()); if (ha->qla_interface_up) { qla_mdelay(__func__, 300); for (i = 0; i < ha->hw.num_sds_rings; i++) { qla_tx_fp_t *fp; fp = &ha->tx_fp[i]; if (fp == NULL) continue; if (fp->tx_br != NULL) { mtx_lock(&fp->tx_mtx); mtx_unlock(&fp->tx_mtx); } } } qla_drain_fp_taskqueues(ha); if ((ha->pci_func & 0x1) == 0) { if (!ha->msg_from_peer) { qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET); while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--) qla_mdelay(__func__, 100); } ha->msg_from_peer = 0; if (ha->enable_minidump) ql_minidump(ha); if (ha->enable_driverstate_dump) ql_capture_drvr_state(ha); if (ql_init_hw(ha)) { device_printf(ha->pci_dev, "%s: ts_usecs = %ld exit: ql_init_hw failed\n", __func__, qla_get_usec_timestamp()); ha->offline = 1; goto qla_error_recovery_exit; } if (ha->qla_interface_up) { qla_free_xmt_bufs(ha); qla_free_rcv_bufs(ha); } if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY)) qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK); } else { if (ha->msg_from_peer == QL_PEER_MSG_RESET) { ha->msg_from_peer = 0; if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY)) qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK); } else { qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET); } while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--) qla_mdelay(__func__, 100); ha->msg_from_peer = 0; if (ha->enable_driverstate_dump) ql_capture_drvr_state(ha); if (msecs_100 == 0) { device_printf(ha->pci_dev, "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n", __func__, qla_get_usec_timestamp()); ha->offline = 1; goto qla_error_recovery_exit; } if (ql_init_hw(ha)) { device_printf(ha->pci_dev, "%s: ts_usecs = %ld exit: ql_init_hw failed\n", __func__, qla_get_usec_timestamp()); ha->offline = 1; goto qla_error_recovery_exit; } if (ha->qla_interface_up) { qla_free_xmt_bufs(ha); qla_free_rcv_bufs(ha); } } qla_mdelay(__func__, ha->ms_delay_after_init); *((uint32_t *)&ha->hw.flags) = 0; ha->qla_initiate_recovery = 0; if (ha->qla_interface_up) { if (qla_alloc_xmt_bufs(ha) != 0) { ha->offline = 1; goto qla_error_recovery_exit; } qla_confirm_9kb_enable(ha); if (qla_alloc_rcv_bufs(ha) != 0) { ha->offline = 1; goto qla_error_recovery_exit; } ha->stop_rcv = 0; if (ql_init_hw_if(ha) == 0) { ifp = ha->ifp; if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); ha->qla_watchdog_pause = 0; ql_update_link_state(ha); } else { ha->offline = 1; if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE) ha->hw.sp_log_stop = -1; } } else { ha->qla_watchdog_pause = 0; } qla_error_recovery_exit: if (ha->offline ) { device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n", __func__, qla_get_usec_timestamp()); if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE) ha->hw.sp_log_stop = -1; } QLA_UNLOCK(ha, __func__); if (!ha->offline) callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, qla_watchdog, ha); device_printf(ha->pci_dev, "%s: ts_usecs = %ld exit\n", __func__, qla_get_usec_timestamp()); return; } static void qla_async_event(void *context, int pending) { qla_host_t *ha = context; if (QLA_LOCK(ha, __func__, -1, 0) != 0) return; if (ha->async_event) { ha->async_event = 0; qla_hw_async_event(ha); } QLA_UNLOCK(ha, __func__); return; } static void qla_stats(void *context, int pending) { qla_host_t *ha; ha = context; ql_get_stats(ha); return; }