From: Wenzhuo Lu <wenzhuo.lu@intel.com>
Date: Tue, 27 Apr 2021 02:24:28 +0000 (+0800)
Subject: net/iavf: fix Tx L4 checksum
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=08eb6a9cc2e136e177de620425a4e39112a2897a;p=dpdk.git

net/iavf: fix Tx L4 checksum

Leverage the behavior of the scalar path, preparing
packets is necessary for vector paths which support checksum
offload.

Fixes: 059f18ae2aec ("net/iavf: add offload path for Tx AVX512")

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 3f3cf6306c..232516c414 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2587,6 +2587,7 @@ iavf_set_tx_function(struct rte_eth_dev *dev)
 					    iavf_xmit_pkts_vec_avx2 :
 					    iavf_xmit_pkts_vec;
 		}
+		dev->tx_pkt_prepare = NULL;
 #ifdef CC_AVX512_SUPPORT
 		if (use_avx512) {
 			if (check_ret == IAVF_VECTOR_PATH) {
@@ -2595,12 +2596,12 @@ iavf_set_tx_function(struct rte_eth_dev *dev)
 					    dev->data->port_id);
 			} else {
 				dev->tx_pkt_burst = iavf_xmit_pkts_vec_avx512_offload;
+				dev->tx_pkt_prepare = iavf_prep_pkts;
 				PMD_DRV_LOG(DEBUG, "Using AVX512 OFFLOAD Vector Tx (port %d).",
 					    dev->data->port_id);
 			}
 		}
 #endif
-		dev->tx_pkt_prepare = NULL;
 
 		for (i = 0; i < dev->data->nb_tx_queues; i++) {
 			txq = dev->data->tx_queues[i];