Index: sys/dev/ixl/if_ixl.c =================================================================== --- sys/dev/ixl/if_ixl.c +++ sys/dev/ixl/if_ixl.c @@ -118,6 +118,8 @@ static void ixl_configure_msix(struct ixl_pf *); static void ixl_configure_itr(struct ixl_pf *); static void ixl_configure_legacy(struct ixl_pf *); +static void ixl_init_taskqueues(struct ixl_pf *); +static void ixl_free_taskqueues(struct ixl_pf *); static void ixl_free_pci_resources(struct ixl_pf *); static void ixl_local_timer(void *); static int ixl_setup_interface(device_t, struct ixl_vsi *); @@ -645,7 +647,7 @@ else error = ixl_assign_vsi_legacy(pf); if (error) - goto err_late; + goto err_mac_hmc; if (((hw->aq.fw_maj_ver == 4) && (hw->aq.fw_min_ver < 33)) || (hw->aq.fw_maj_ver < 4)) { @@ -670,7 +672,7 @@ error = ixl_switch_config(pf); if (error) { device_printf(dev, "Initial switch config failed: %d\n", error); - goto err_mac_hmc; + goto err_late; } /* Limit phy interrupts to link and modules failure */ @@ -683,6 +685,9 @@ bus = ixl_get_bus_info(hw, dev); i40e_set_pci_config_data(hw, bus); + /* Initialize taskqueues */ + ixl_init_taskqueues(pf); + /* Initialize statistics */ ixl_pf_reset_stats(pf); ixl_update_stats_counters(pf); @@ -751,7 +756,6 @@ struct ixl_pf *pf = device_get_softc(dev); struct i40e_hw *hw = &pf->hw; struct ixl_vsi *vsi = &pf->vsi; - struct ixl_queue *que = vsi->queues; i40e_status status; #ifdef PCI_IOV int error; @@ -780,13 +784,7 @@ IXL_PF_UNLOCK(pf); } - for (int i = 0; i < vsi->num_queues; i++, que++) { - if (que->tq) { - taskqueue_drain(que->tq, &que->task); - taskqueue_drain(que->tq, &que->tx_task); - taskqueue_free(que->tq); - } - } + ixl_free_taskqueues(pf); /* Shutdown LAN HMC */ status = i40e_shutdown_lan_hmc(hw); @@ -1992,6 +1990,58 @@ return (0); } +static void +ixl_init_taskqueues(struct ixl_pf *pf) +{ + struct ixl_vsi *vsi = &pf->vsi; + struct ixl_queue *que = vsi->queues; + device_t dev = pf->dev; + + /* Tasklet for Admin Queue */ + TASK_INIT(&pf->adminq, 0, ixl_do_adminq, pf); +#ifdef PCI_IOV + /* VFLR Tasklet */ + TASK_INIT(&pf->vflr_task, 0, ixl_handle_vflr, pf); +#endif + + /* Create and start PF taskqueue */ + pf->tq = taskqueue_create_fast("ixl_adm", M_NOWAIT, + taskqueue_thread_enqueue, &pf->tq); + taskqueue_start_threads(&pf->tq, 1, PI_NET, "%s adminq", + device_get_nameunit(dev)); + + /* Create queue tasks and start queue taskqueues */ + for (int i = 0; i < vsi->num_queues; i++, que++) { + TASK_INIT(&que->tx_task, 0, ixl_deferred_mq_start, que); + TASK_INIT(&que->task, 0, ixl_handle_que, que); + que->tq = taskqueue_create_fast("ixl_que", M_NOWAIT, + taskqueue_thread_enqueue, &que->tq); +#ifdef RSS + CPU_SETOF(cpu_id, &cpu_mask); + taskqueue_start_threads_cpuset(&que->tq, 1, PI_NET, + &cpu_mask, "%s (bucket %d)", + device_get_nameunit(dev), cpu_id); +#else + taskqueue_start_threads(&que->tq, 1, PI_NET, + "%s (que %d)", device_get_nameunit(dev), que->me); +#endif + } + +} + +static void +ixl_free_taskqueues(struct ixl_pf *pf) +{ + struct ixl_vsi *vsi = &pf->vsi; + struct ixl_queue *que = vsi->queues; + + if (pf->tq) + taskqueue_free(pf->tq); + for (int i = 0; i < vsi->num_queues; i++, que++) { + if (que->tq) + taskqueue_free(que->tq); + } +} /********************************************************************* * @@ -2030,17 +2080,6 @@ } bus_describe_intr(dev, pf->res, pf->tag, "aq"); pf->admvec = vector; - /* Tasklet for Admin Queue */ - TASK_INIT(&pf->adminq, 0, ixl_do_adminq, pf); - -#ifdef PCI_IOV - TASK_INIT(&pf->vflr_task, 0, ixl_handle_vflr, pf); -#endif - - pf->tq = taskqueue_create_fast("ixl_adm", M_NOWAIT, - taskqueue_thread_enqueue, &pf->tq); - taskqueue_start_threads(&pf->tq, 1, PI_NET, "%s adminq", - device_get_nameunit(pf->dev)); ++vector; /* Now set up the stations */ @@ -2071,19 +2110,6 @@ #endif bus_bind_intr(dev, que->res, cpu_id); que->msix = vector; - TASK_INIT(&que->tx_task, 0, ixl_deferred_mq_start, que); - TASK_INIT(&que->task, 0, ixl_handle_que, que); - que->tq = taskqueue_create_fast("ixl_que", M_NOWAIT, - taskqueue_thread_enqueue, &que->tq); -#ifdef RSS - CPU_SETOF(cpu_id, &cpu_mask); - taskqueue_start_threads_cpuset(&que->tq, 1, PI_NET, - &cpu_mask, "%s (bucket %d)", - device_get_nameunit(dev), cpu_id); -#else - taskqueue_start_threads(&que->tq, 1, PI_NET, - "%s que", device_get_nameunit(dev)); -#endif } return (0); @@ -2146,9 +2172,15 @@ /* Figure out a reasonable auto config value */ queues = (mp_ncpus > (available - 1)) ? (available - 1) : mp_ncpus; - /* Override with hardcoded value if sane */ + /* Override with hardcoded value if it's less than autoconfig count */ if ((ixl_max_queues != 0) && (ixl_max_queues <= queues)) queues = ixl_max_queues; + else if ((ixl_max_queues != 0) && (ixl_max_queues > queues)) + device_printf(dev, "ixl_max_queues > # of cpus, using " + "autoconfig amount...\n"); + /* Or limit maximum auto-configured queues to 8 */ + else if ((ixl_max_queues == 0) && (queues > 8)) + queues = 8; #ifdef RSS /* If we're doing RSS, clamp at the number of RSS buckets */