diff options
| -rw-r--r-- | drivers/net/benet/be_main.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index d20235b1680..acce6a63932 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1018,21 +1018,35 @@ static void be_rx_q_clean(struct be_adapter *adapter) BUG_ON(atomic_read(&rxq->used)); } -static void be_tx_q_clean(struct be_adapter *adapter) +static void be_tx_compl_clean(struct be_adapter *adapter) { - struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; - struct sk_buff *sent_skb; + struct be_queue_info *tx_cq = &adapter->tx_obj.cq; struct be_queue_info *txq = &adapter->tx_obj.q; - u16 last_index; - bool dummy_wrb; - - while (atomic_read(&txq->used)) { - sent_skb = sent_skbs[txq->tail]; - last_index = txq->tail; - index_adv(&last_index, - wrb_cnt_for_skb(sent_skb, &dummy_wrb) - 1, txq->len); - be_tx_compl_process(adapter, last_index); - } + struct be_eth_tx_compl *txcp; + u16 end_idx, cmpl = 0, timeo = 0; + + /* Wait for a max of 200ms for all the tx-completions to arrive. */ + do { + while ((txcp = be_tx_compl_get(tx_cq))) { + end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, + wrb_index, txcp); + be_tx_compl_process(adapter, end_idx); + cmpl++; + } + if (cmpl) { + be_cq_notify(adapter, tx_cq->id, false, cmpl); + cmpl = 0; + } + + if (atomic_read(&txq->used) == 0 || ++timeo > 200) + break; + + mdelay(1); + } while (true); + + if (atomic_read(&txq->used)) + dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", + atomic_read(&txq->used)); } static void be_mcc_queues_destroy(struct be_adapter *adapter) @@ -1091,13 +1105,8 @@ static void be_tx_queues_destroy(struct be_adapter *adapter) struct be_queue_info *q; q = &adapter->tx_obj.q; - if (q->created) { + if (q->created) be_cmd_q_destroy(adapter, q, QTYPE_TXQ); - - /* No more tx completions can be rcvd now; clean up if there - * are any pending completions or pending tx requests */ - be_tx_q_clean(adapter); - } be_queue_free(adapter, q); q = &adapter->tx_obj.cq; @@ -1645,6 +1654,11 @@ static int be_close(struct net_device *netdev) napi_disable(&rx_eq->napi); napi_disable(&tx_eq->napi); + /* Wait for all pending tx completions to arrive so that + * all tx skbs are freed. + */ + be_tx_compl_clean(adapter); + return 0; } |