[PATCH 1/2] net/nfp: fix VNI of IPv4 NVGRE encap action

[Chaoyong He]

Complete the missing logic of parse the tunnel id of IPv4 NVGRE tunnel
and send it to the firmware by control message.

Fixes: 88cce0538073 ("net/nfp: support IPv4 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 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_flow.c b/drivers/net/nfp/nfp_flow.c
index 5acb7f6ff3..6aea2b1559 100644
--- a/drivers/net/nfp/nfp_flow.c
+++ b/drivers/net/nfp/nfp_flow.c
@@ -3171,6 +3171,7 @@ nfp_flow_action_nvgre_encap_v4(struct nfp_app_fw_flower *app_fw_flower,
 		struct nfp_fl_rule_metadata *nfp_flow_meta,
 		struct nfp_fl_tun *tun)
 {
+	uint64_t tun_id;
 	const struct rte_ether_hdr *eth;
 	const struct rte_flow_item_ipv4 *ipv4;
 	const struct rte_flow_item_gre *gre;
@@ -3182,6 +3183,7 @@ nfp_flow_action_nvgre_encap_v4(struct nfp_app_fw_flower *app_fw_flower,
 	eth  = (const struct rte_ether_hdr *)raw_encap->data;
 	ipv4 = (const struct rte_flow_item_ipv4 *)(eth + 1);
 	gre  = (const struct rte_flow_item_gre *)(ipv4 + 1);
+	tun_id = rte_be_to_cpu_32(*(const rte_be32_t *)(gre + 1));
 
 	pre_tun = (struct nfp_fl_act_pre_tun *)actions;
 	memset(pre_tun, 0, act_pre_size);
@@ -3189,7 +3191,7 @@ nfp_flow_action_nvgre_encap_v4(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);
-	nfp_flow_set_tun_process(set_tun, NFP_FL_TUN_GRE, 0,
+	nfp_flow_set_tun_process(set_tun, NFP_FL_TUN_GRE, tun_id,
 			ipv4->hdr.time_to_live, ipv4->hdr.type_of_service);
 	set_tun->tun_proto = gre->protocol;
 
-- 
2.39.1