redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

bnx2x: Optimized the branching in the bnx2x_rx_int()

Browse source 
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: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladislav Zolotarov 2010-10-17 23:02:20 +00:00 committed by David S. Miller
parent cdd861d68d
commit fe78d2637a
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/net/bnx2x/bnx2x_cmn.c
View file

@ -507,8 +507,11 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
pad = cqe->fast_path_cqe.placement_offset;
/* If CQE is marked both TPA_START and TPA_END
it is a non-TPA CQE */
/* - If CQE is marked both TPA_START and TPA_END it is
* a non-TPA CQE.
* - FP CQE will always have either TPA_START or/and
* TPA_STOP flags set.
*/
if ((!fp->disable_tpa) &&
(TPA_TYPE(cqe_fp_flags) !=
(TPA_TYPE_START | TPA_TYPE_END))) {
@ -526,9 +529,7 @@ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
bnx2x_set_skb_rxhash(bp, cqe, skb);
goto next_rx;
}
if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
} else { /* TPA_STOP */
DP(NETIF_MSG_RX_STATUS,
"calling tpa_stop on queue %d\n",
queue);