[dpdk-dev] [PATCH] i40e:remove unlikely check in i40e_xmit_pkts for checksum offload

Jijiang Liu jijiang.liu at intel.com
Tue Aug 4 09:57:11 CEST 2015


The i40e_xmit_pkts() is called, which often means HW offload is used here, so we had better remove 'unlikely' check for checksum offload.

Signed-off-by: Jijiang Liu <jijiang.liu at intel.com>
---
 drivers/net/i40e/i40e_rxtx.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 6cc069b..eae4ab0 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1917,12 +1917,12 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 
 		/* Enable checksum offloading */
 		cd_tunneling_params = 0;
-		if (unlikely(ol_flags & I40E_TX_CKSUM_OFFLOAD_MASK)) {
+		if (ol_flags & I40E_TX_CKSUM_OFFLOAD_MASK) {
 			i40e_txd_enable_checksum(ol_flags, &td_cmd, &td_offset,
 				tx_offload, &cd_tunneling_params);
 		}
 
-		if (unlikely(nb_ctx)) {
+		if (nb_ctx) {
 			/* Setup TX context descriptor if required */
 			volatile struct i40e_tx_context_desc *ctx_txd =
 				(volatile struct i40e_tx_context_desc *)\
-- 
1.7.7.6



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