i40e: remove unlikely prediction in Tx
authorJijiang Liu <jijiang.liu@intel.com>
Tue, 4 Aug 2015 07:57:11 +0000 (15:57 +0800)
committerThomas Monjalon <thomas.monjalon@6wind.com>
Sun, 9 Aug 2015 17:57:18 +0000 (19:57 +0200)
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@intel.com>
Acked-by: Marvin Liu <yong.liu@intel.com>
drivers/net/i40e/i40e_rxtx.c

index 6cc069b..eae4ab0 100644 (file)
@@ -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 *)\