diff --git a/drivers/net/ethernet/chelsio/cxgb3/adapter.h b/drivers/net/ethernet/chelsio/cxgb3/adapter.h index f80fbd81b609..6d682b7c7aac 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/adapter.h +++ b/drivers/net/ethernet/chelsio/cxgb3/adapter.h @@ -178,7 +178,7 @@ struct sge_txq { /* state for an SGE Tx queue */ unsigned int token; /* WR token */ dma_addr_t phys_addr; /* physical address of the ring */ struct sk_buff_head sendq; /* List of backpressured offload packets */ - struct tasklet_struct qresume_tsk; /* restarts the queue */ + struct work_struct qresume_task; /* restarts the queue */ unsigned int cntxt_id; /* SGE context id for the Tx q */ unsigned long stops; /* # of times q has been stopped */ unsigned long restarts; /* # of queue restarts */ diff --git a/drivers/net/ethernet/chelsio/cxgb3/common.h b/drivers/net/ethernet/chelsio/cxgb3/common.h index 1bd7d89666c4..b706f2fbe4f4 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/common.h +++ b/drivers/net/ethernet/chelsio/cxgb3/common.h @@ -770,4 +770,6 @@ int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr, const struct mdio_ops *mdio_ops); int t3_aq100x_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr, const struct mdio_ops *mdio_ops); + +extern struct workqueue_struct *cxgb3_wq; #endif /* __CHELSIO_COMMON_H */ diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 11d3b6218ed7..115c03b0feb6 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -1518,14 +1518,15 @@ static int ctrl_xmit(struct adapter *adap, struct sge_txq *q, /** * restart_ctrlq - restart a suspended control queue - * @t: pointer to the tasklet associated with this handler + * @w: pointer to the work associated with this handler * * Resumes transmission on a suspended Tx control queue. */ -static void restart_ctrlq(struct tasklet_struct *t) +static void restart_ctrlq(struct work_struct *w) { struct sk_buff *skb; - struct sge_qset *qs = from_tasklet(qs, t, txq[TXQ_CTRL].qresume_tsk); + struct sge_qset *qs = container_of(w, struct sge_qset, + txq[TXQ_CTRL].qresume_task); struct sge_txq *q = &qs->txq[TXQ_CTRL]; spin_lock(&q->lock); @@ -1736,14 +1737,15 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); /** * restart_offloadq - restart a suspended offload queue - * @t: pointer to the tasklet associated with this handler + * @w: pointer to the work associated with this handler * * Resumes transmission on a suspended Tx offload queue. */ -static void restart_offloadq(struct tasklet_struct *t) +static void restart_offloadq(struct work_struct *w) { struct sk_buff *skb; - struct sge_qset *qs = from_tasklet(qs, t, txq[TXQ_OFLD].qresume_tsk); + struct sge_qset *qs = container_of(w, struct sge_qset, + txq[TXQ_OFLD].qresume_task); struct sge_txq *q = &qs->txq[TXQ_OFLD]; const struct port_info *pi = netdev_priv(qs->netdev); struct adapter *adap = pi->adapter; @@ -1998,13 +2000,17 @@ static void restart_tx(struct sge_qset *qs) should_restart_tx(&qs->txq[TXQ_OFLD]) && test_and_clear_bit(TXQ_OFLD, &qs->txq_stopped)) { qs->txq[TXQ_OFLD].restarts++; - tasklet_schedule(&qs->txq[TXQ_OFLD].qresume_tsk); + + /* The work can be quite lengthy so we use driver's own queue */ + queue_work(cxgb3_wq, &qs->txq[TXQ_OFLD].qresume_task); } if (test_bit(TXQ_CTRL, &qs->txq_stopped) && should_restart_tx(&qs->txq[TXQ_CTRL]) && test_and_clear_bit(TXQ_CTRL, &qs->txq_stopped)) { qs->txq[TXQ_CTRL].restarts++; - tasklet_schedule(&qs->txq[TXQ_CTRL].qresume_tsk); + + /* The work can be quite lengthy so we use driver's own queue */ + queue_work(cxgb3_wq, &qs->txq[TXQ_CTRL].qresume_task); } } @@ -3085,8 +3091,8 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, skb_queue_head_init(&q->txq[i].sendq); } - tasklet_setup(&q->txq[TXQ_OFLD].qresume_tsk, restart_offloadq); - tasklet_setup(&q->txq[TXQ_CTRL].qresume_tsk, restart_ctrlq); + INIT_WORK(&q->txq[TXQ_OFLD].qresume_task, restart_offloadq); + INIT_WORK(&q->txq[TXQ_CTRL].qresume_task, restart_ctrlq); q->fl[0].gen = q->fl[1].gen = 1; q->fl[0].size = p->fl_size; @@ -3276,11 +3282,11 @@ void t3_sge_start(struct adapter *adap) * * Can be invoked from interrupt context e.g. error handler. * - * Note that this function cannot disable the restart of tasklets as + * Note that this function cannot disable the restart of works as * it cannot wait if called from interrupt context, however the - * tasklets will have no effect since the doorbells are disabled. The + * works will have no effect since the doorbells are disabled. The * driver will call tg3_sge_stop() later from process context, at - * which time the tasklets will be stopped if they are still running. + * which time the works will be stopped if they are still running. */ void t3_sge_stop_dma(struct adapter *adap) { @@ -3292,7 +3298,7 @@ void t3_sge_stop_dma(struct adapter *adap) * @adap: the adapter * * Called from process context. Disables the DMA engine and any - * pending queue restart tasklets. + * pending queue restart works. */ void t3_sge_stop(struct adapter *adap) { @@ -3303,8 +3309,8 @@ void t3_sge_stop(struct adapter *adap) for (i = 0; i < SGE_QSETS; ++i) { struct sge_qset *qs = &adap->sge.qs[i]; - tasklet_kill(&qs->txq[TXQ_OFLD].qresume_tsk); - tasklet_kill(&qs->txq[TXQ_CTRL].qresume_tsk); + cancel_work_sync(&qs->txq[TXQ_OFLD].qresume_task); + cancel_work_sync(&qs->txq[TXQ_OFLD].qresume_task); } }