diff options
| -rw-r--r-- | drivers/net/bnx2.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 469d259e6a20..f19a1e9a6b7f 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2323,17 +2323,25 @@ bnx2_phy_int(struct bnx2 *bp) } +static inline u16 +bnx2_get_hw_tx_cons(struct bnx2 *bp) +{ + u16 cons; + + cons = bp->status_blk->status_tx_quick_consumer_index0; + + if (unlikely((cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT)) + cons++; + return cons; +} + static void bnx2_tx_int(struct bnx2 *bp) { - struct status_block *sblk = bp->status_blk; u16 hw_cons, sw_cons, sw_ring_cons; int tx_free_bd = 0; - hw_cons = bp->hw_tx_cons = sblk->status_tx_quick_consumer_index0; - if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) { - hw_cons++; - } + hw_cons = bnx2_get_hw_tx_cons(bp); sw_cons = bp->tx_cons; while (sw_cons != hw_cons) { @@ -2385,14 +2393,10 @@ bnx2_tx_int(struct bnx2 *bp) dev_kfree_skb(skb); - hw_cons = bp->hw_tx_cons = - sblk->status_tx_quick_consumer_index0; - - if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) { - hw_cons++; - } + hw_cons = bnx2_get_hw_tx_cons(bp); } + bp->hw_tx_cons = hw_cons; bp->tx_cons = sw_cons; /* Need to make the tx_cons update visible to bnx2_start_xmit() * before checking for netif_queue_stopped(). Without the @@ -2822,7 +2826,7 @@ bnx2_has_work(struct bnx2 *bp) struct status_block *sblk = bp->status_blk; if ((bnx2_get_hw_rx_cons(bp) != bp->rx_cons) || - (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)) + (bnx2_get_hw_tx_cons(bp) != bp->hw_tx_cons)) return 1; if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) != @@ -2851,7 +2855,7 @@ static int bnx2_poll_work(struct bnx2 *bp, int work_done, int budget) REG_RD(bp, BNX2_HC_COMMAND); } - if (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons) + if (bnx2_get_hw_tx_cons(bp) != bp->hw_tx_cons) bnx2_tx_int(bp); if (bnx2_get_hw_rx_cons(bp) != bp->rx_cons) @@ -4917,7 +4921,7 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) REG_RD(bp, BNX2_HC_COMMAND); udelay(5); - rx_start_idx = bp->status_blk->status_rx_quick_consumer_index0; + rx_start_idx = bnx2_get_hw_rx_cons(bp); num_pkts = 0; @@ -4947,11 +4951,10 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE); dev_kfree_skb(skb); - if (bp->status_blk->status_tx_quick_consumer_index0 != bp->tx_prod) { + if (bnx2_get_hw_tx_cons(bp) != bp->tx_prod) goto loopback_test_done; - } - rx_idx = bp->status_blk->status_rx_quick_consumer_index0; + rx_idx = bnx2_get_hw_rx_cons(bp); if (rx_idx != rx_start_idx + num_pkts) { goto loopback_test_done; } |