diff options
-rw-r--r-- | sys/dev/e1000/if_igb.c | 45 | ||||
-rw-r--r-- | sys/dev/e1000/if_igb.h | 1 |
2 files changed, 42 insertions, 4 deletions
diff --git a/sys/dev/e1000/if_igb.c b/sys/dev/e1000/if_igb.c index 5a5ec81..b15c38e 100644 --- a/sys/dev/e1000/if_igb.c +++ b/sys/dev/e1000/if_igb.c @@ -176,6 +176,7 @@ static int igb_mq_start(struct ifnet *, struct mbuf *); static int igb_mq_start_locked(struct ifnet *, struct tx_ring *, struct mbuf *); static void igb_qflush(struct ifnet *); +static void igb_deferred_mq_start(void *, int); #else static void igb_start(struct ifnet *); static void igb_start_locked(struct tx_ring *, struct ifnet *ifp); @@ -715,6 +716,8 @@ igb_detach(device_t dev) return (EBUSY); } + ether_ifdetach(adapter->ifp); + if (adapter->led_dev != NULL) led_destroy(adapter->led_dev); @@ -746,8 +749,6 @@ igb_detach(device_t dev) if (adapter->vlan_detach != NULL) EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach); - ether_ifdetach(adapter->ifp); - callout_drain(&adapter->timer); #ifdef DEV_NETMAP @@ -943,7 +944,7 @@ igb_mq_start(struct ifnet *ifp, struct mbuf *m) IGB_TX_UNLOCK(txr); } else { err = drbr_enqueue(ifp, txr->br, m); - taskqueue_enqueue(que->tq, &que->que_task); + taskqueue_enqueue(que->tq, &txr->txq_task); } return (err); @@ -1003,6 +1004,22 @@ igb_mq_start_locked(struct ifnet *ifp, struct tx_ring *txr, struct mbuf *m) } /* + * Called from a taskqueue to drain queued transmit packets. + */ +static void +igb_deferred_mq_start(void *arg, int pending) +{ + struct tx_ring *txr = arg; + struct adapter *adapter = txr->adapter; + struct ifnet *ifp = adapter->ifp; + + IGB_TX_LOCK(txr); + if (!drbr_empty(ifp, txr->br)) + igb_mq_start_locked(ifp, txr, NULL); + IGB_TX_UNLOCK(txr); +} + +/* ** Flush all ring buffers */ static void @@ -2382,6 +2399,7 @@ igb_allocate_legacy(struct adapter *adapter) { device_t dev = adapter->dev; struct igb_queue *que = adapter->queues; + struct tx_ring *txr = adapter->tx_rings; int error, rid = 0; /* Turn off all interrupts */ @@ -2400,6 +2418,10 @@ igb_allocate_legacy(struct adapter *adapter) return (ENXIO); } +#if __FreeBSD_version >= 800000 + TASK_INIT(&txr->txq_task, 0, igb_deferred_mq_start, txr); +#endif + /* * Try allocating a fast interrupt and the associated deferred * processing contexts. @@ -2473,9 +2495,13 @@ igb_allocate_msix(struct adapter *adapter) */ if (adapter->num_queues > 1) bus_bind_intr(dev, que->res, i); +#if __FreeBSD_version >= 800000 + TASK_INIT(&que->txr->txq_task, 0, igb_deferred_mq_start, + que->txr); +#endif /* Make tasklet for deferred handling */ TASK_INIT(&que->que_task, 0, igb_handle_que, que); - que->tq = taskqueue_create_fast("igb_que", M_NOWAIT, + que->tq = taskqueue_create("igb_que", M_NOWAIT, taskqueue_thread_enqueue, &que->tq); taskqueue_start_threads(&que->tq, 1, PI_NET, "%s que", device_get_nameunit(adapter->dev)); @@ -2682,13 +2708,24 @@ igb_free_pci_resources(struct adapter *adapter) else (adapter->msix != 0) ? (rid = 1):(rid = 0); + que = adapter->queues; if (adapter->tag != NULL) { + taskqueue_drain(que->tq, &adapter->link_task); bus_teardown_intr(dev, adapter->res, adapter->tag); adapter->tag = NULL; } if (adapter->res != NULL) bus_release_resource(dev, SYS_RES_IRQ, rid, adapter->res); + for (int i = 0; i < adapter->num_queues; i++, que++) { + if (que->tq != NULL) { +#if __FreeBSD_version >= 800000 + taskqueue_drain(que->tq, &que->txr->txq_task); +#endif + taskqueue_drain(que->tq, &que->que_task); + taskqueue_free(que->tq); + } + } mem: if (adapter->msix) pci_release_msi(dev); diff --git a/sys/dev/e1000/if_igb.h b/sys/dev/e1000/if_igb.h index 9989206..8ff1b44 100644 --- a/sys/dev/e1000/if_igb.h +++ b/sys/dev/e1000/if_igb.h @@ -301,6 +301,7 @@ struct tx_ring { struct buf_ring *br; #endif bus_dma_tag_t txtag; + struct task txq_task; u32 bytes; u32 packets; |