[dpdk-dev] [PATCH] net/iavf: fix l4 checksum error

[Wenzhuo Lu]

leverage the behavior of the scalar path, preparing
packets is necessary for the checksum offload.

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

Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
 drivers/net/iavf/iavf_rxtx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 0ba19dbf..87f7eeb 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2585,6 +2585,7 @@
                                            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) {
@@ -2593,12 +2594,12 @@
                                            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];
-- 
1.9.3