diff options
| -rw-r--r-- | drivers/net/bnx2.c | 26 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 1 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index a4f3832d0a66..f9eea6e84c87 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2387,18 +2387,24 @@ bnx2_reuse_rx_skb(struct bnx2 *bp, struct sk_buff *skb, prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo; } +static inline u16 +bnx2_get_hw_rx_cons(struct bnx2 *bp) +{ + u16 cons = bp->status_blk->status_rx_quick_consumer_index0; + + if (unlikely((cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)) + cons++; + return cons; +} + static int bnx2_rx_int(struct bnx2 *bp, int budget) { - struct status_block *sblk = bp->status_blk; u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod; struct l2_fhdr *rx_hdr; int rx_pkt = 0; - hw_cons = bp->hw_rx_cons = sblk->status_rx_quick_consumer_index0; - if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) { - hw_cons++; - } + hw_cons = bnx2_get_hw_rx_cons(bp); sw_cons = bp->rx_cons; sw_prod = bp->rx_prod; @@ -2515,10 +2521,7 @@ next_rx: /* Refresh hw_cons to see if there is new work */ if (sw_cons == hw_cons) { - hw_cons = bp->hw_rx_cons = - sblk->status_rx_quick_consumer_index0; - if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) - hw_cons++; + hw_cons = bnx2_get_hw_rx_cons(bp); rmb(); } } @@ -2622,7 +2625,7 @@ bnx2_has_work(struct bnx2 *bp) { struct status_block *sblk = bp->status_blk; - if ((sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) || + if ((bnx2_get_hw_rx_cons(bp) != bp->rx_cons) || (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)) return 1; @@ -2655,7 +2658,7 @@ static int bnx2_poll_work(struct bnx2 *bp, int work_done, int budget) if (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons) bnx2_tx_int(bp); - if (sblk->status_rx_quick_consumer_index0 != bp->hw_rx_cons) + if (bnx2_get_hw_rx_cons(bp) != bp->rx_cons) work_done += bnx2_rx_int(bp, budget - work_done); return work_done; @@ -4177,7 +4180,6 @@ bnx2_init_rx_ring(struct bnx2 *bp) ring_prod = prod = bp->rx_prod = 0; bp->rx_cons = 0; - bp->hw_rx_cons = 0; bp->rx_prod_bseq = 0; for (i = 0; i < bp->rx_max_ring; i++) { diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 1dce0d1a2581..30ba366608b0 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6513,7 +6513,6 @@ struct bnx2 { u32 rx_prod_bseq; u16 rx_prod; u16 rx_cons; - u16 hw_rx_cons; u32 rx_csum; |