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Commit fe78d263 authored by Vladislav Zolotarov's avatar Vladislav Zolotarov Committed by David S. Miller
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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: default avatarDmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: default avatarVladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cdd861d6

drivers/net/bnx2x/bnx2x_cmn.c

+6 −5
Original line number Original line Diff line number Diff line
@@ -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) 
					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);