[PATCH 4/4] net/nfp: fix TOS of IPv6 NVGRE encap flow action

[Chaoyong He]

The former logic directly do shift operation on big endian data, fix
it by convert the big endian data into CPU endian firstly.

Fixes: fff680eef7f9 ("net/nfp: support IPv6 NVGRE encap flow action")
Cc: stable at dpdk.org

Signed-off-by: Chaoyong He <chaoyong.he at corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund at corigine.com>
---
 drivers/net/nfp/nfp_flow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_flow.c b/drivers/net/nfp/nfp_flow.c
index 213d0c7935..56ce222c9f 100644
--- a/drivers/net/nfp/nfp_flow.c
+++ b/drivers/net/nfp/nfp_flow.c
@@ -3203,7 +3203,7 @@ nfp_flow_action_nvgre_encap_v6(struct nfp_app_fw_flower *app_fw_flower,
 
 	set_tun = (struct nfp_fl_act_set_tun *)(act_data + act_pre_size);
 	memset(set_tun, 0, act_set_size);
-	tos = (ipv6->hdr.vtc_flow >> RTE_IPV6_HDR_TC_SHIFT) & 0xff;
+	tos = rte_be_to_cpu_32(ipv6->hdr.vtc_flow) >> RTE_IPV6_HDR_TC_SHIFT;
 	nfp_flow_set_tun_process(set_tun, NFP_FL_TUN_GRE, 0,
 			ipv6->hdr.hop_limits, tos);
 	set_tun->tun_proto = gre->protocol;
-- 
2.39.1