diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_tx.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_tx.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c index 9128858479c4..c5fca0356c9c 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c @@ -229,6 +229,7 @@ netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) txq->txq_stats.tx_busy++; u64_stats_update_end(&txq->txq_stats.syncp); err = NETDEV_TX_BUSY; + wqe_size = 0; goto flush_skbs; } @@ -282,7 +283,11 @@ static void free_all_tx_skbs(struct hinic_txq *txq) int nr_sges; u16 ci; - while ((sq_wqe = hinic_sq_read_wqe(sq, &skb, &wqe_size, &ci))) { + while ((sq_wqe = hinic_sq_read_wqebb(sq, &skb, &wqe_size, &ci))) { + sq_wqe = hinic_sq_read_wqe(sq, &skb, wqe_size, &ci); + if (!sq_wqe) + break; + nr_sges = skb_shinfo(skb)->nr_frags + 1; hinic_sq_get_sges(sq_wqe, txq->free_sges, nr_sges); @@ -318,11 +323,21 @@ static int free_tx_poll(struct napi_struct *napi, int budget) do { hw_ci = HW_CONS_IDX(sq) & wq->mask; - sq_wqe = hinic_sq_read_wqe(sq, &skb, &wqe_size, &sw_ci); + /* Reading a WQEBB to get real WQE size and consumer index. */ + sq_wqe = hinic_sq_read_wqebb(sq, &skb, &wqe_size, &sw_ci); if ((!sq_wqe) || (((hw_ci - sw_ci) & wq->mask) * wq->wqebb_size < wqe_size)) break; + /* If this WQE have multiple WQEBBs, we will read again to get + * full size WQE. + */ + if (wqe_size > wq->wqebb_size) { + sq_wqe = hinic_sq_read_wqe(sq, &skb, wqe_size, &sw_ci); + if (unlikely(!sq_wqe)) + break; + } + tx_bytes += skb->len; pkts++; |