提交 fe78d263 编写于 作者: V Vladislav Zolotarov 提交者: David S. Miller

bnx2x: Optimized the branching in the bnx2x_rx_int()

Optimized the branching in the bnx2x_rx_int() based on the fact
that FP CQE will always have at least one of START or STOP flags set,
so if not both bits are set and START bit is not set,
then it's a STOP bit that is set.
Signed-off-by: NDmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: NVladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: NEilon Greenstein <eilong@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 cdd861d6
...@@ -507,8 +507,11 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) ...@@ -507,8 +507,11 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
pad = cqe->fast_path_cqe.placement_offset; pad = cqe->fast_path_cqe.placement_offset;
/* If CQE is marked both TPA_START and TPA_END /* - If CQE is marked both TPA_START and TPA_END it is
it is a non-TPA CQE */ * a non-TPA CQE.
* - FP CQE will always have either TPA_START or/and
* TPA_STOP flags set.
*/
if ((!fp->disable_tpa) && if ((!fp->disable_tpa) &&
(TPA_TYPE(cqe_fp_flags) != (TPA_TYPE(cqe_fp_flags) !=
(TPA_TYPE_START | TPA_TYPE_END))) { (TPA_TYPE_START | TPA_TYPE_END))) {
...@@ -526,9 +529,7 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) ...@@ -526,9 +529,7 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
bnx2x_set_skb_rxhash(bp, cqe, skb); bnx2x_set_skb_rxhash(bp, cqe, skb);
goto next_rx; goto next_rx;
} } else { /* TPA_STOP */
if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
DP(NETIF_MSG_RX_STATUS, DP(NETIF_MSG_RX_STATUS,
"calling tpa_stop on queue %d\n", "calling tpa_stop on queue %d\n",
queue); queue);
......
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