diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/benet/be_main.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index babe53af7e86..243172bedfa6 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1275,7 +1275,7 @@ static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) return txcp; } -static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) +static u16 be_tx_compl_process(struct be_adapter *adapter, u16 last_index) { struct be_queue_info *txq = &adapter->tx_obj.q; struct be_eth_wrb *wrb; @@ -1302,9 +1302,8 @@ static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) queue_tail_inc(txq); } while (cur_index != last_index); - atomic_sub(num_wrbs, &txq->used); - kfree_skb(sent_skb); + return num_wrbs; } static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) @@ -1387,7 +1386,7 @@ static void be_tx_compl_clean(struct be_adapter *adapter) struct be_queue_info *tx_cq = &adapter->tx_obj.cq; struct be_queue_info *txq = &adapter->tx_obj.q; struct be_eth_tx_compl *txcp; - u16 end_idx, cmpl = 0, timeo = 0; + u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; struct sk_buff *sent_skb; bool dummy_wrb; @@ -1397,12 +1396,14 @@ static void be_tx_compl_clean(struct be_adapter *adapter) 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); + num_wrbs += be_tx_compl_process(adapter, end_idx); cmpl++; } if (cmpl) { be_cq_notify(adapter, tx_cq->id, false, cmpl); + atomic_sub(num_wrbs, &txq->used); cmpl = 0; + num_wrbs = 0; } if (atomic_read(&txq->used) == 0 || ++timeo > 200) @@ -1422,7 +1423,8 @@ static void be_tx_compl_clean(struct be_adapter *adapter) index_adv(&end_idx, wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, txq->len); - be_tx_compl_process(adapter, end_idx); + num_wrbs = be_tx_compl_process(adapter, end_idx); + atomic_sub(num_wrbs, &txq->used); } } @@ -1796,12 +1798,12 @@ static int be_poll_tx_mcc(struct napi_struct *napi, int budget) struct be_queue_info *tx_cq = &adapter->tx_obj.cq; struct be_eth_tx_compl *txcp; int tx_compl = 0, mcc_compl, status = 0; - u16 end_idx; + u16 end_idx, num_wrbs = 0; 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); + num_wrbs += be_tx_compl_process(adapter, end_idx); tx_compl++; } @@ -1817,6 +1819,8 @@ static int be_poll_tx_mcc(struct napi_struct *napi, int budget) if (tx_compl) { be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); + atomic_sub(num_wrbs, &txq->used); + /* As Tx wrbs have been freed up, wake up netdev queue if * it was stopped due to lack of tx wrbs. */ |