[dpdk-dev] [PATCH v2 1/4] net/i40e: add support for VXLAN-GPE

[Qiming Yang <qiming.yang@intel.com>]

Can recognize new packet type VXLAN-GPE in i40e driver.
Added inner IP/TCP/UDP checksum and RSS support for VXLAN-GPE
packet.

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c   | 13 +++++++++----
 lib/librte_ethdev/rte_eth_ctrl.h |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index dca61f0..8093eae 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -8368,7 +8368,7 @@ i40e_get_vxlan_port_idx(struct i40e_pf *pf, uint16_t port)
 }
 
 static int
-i40e_add_vxlan_port(struct i40e_pf *pf, uint16_t port)
+i40e_add_vxlan_port(struct i40e_pf *pf, uint16_t port, int udp_type)
 {
 	int  idx, ret;
 	uint8_t filter_idx;
@@ -8391,7 +8391,7 @@ i40e_add_vxlan_port(struct i40e_pf *pf, uint16_t port)
 		return -ENOSPC;
 	}
 
-	ret =  i40e_aq_add_udp_tunnel(hw, port, I40E_AQC_TUNNEL_TYPE_VXLAN,
+	ret =  i40e_aq_add_udp_tunnel(hw, port, udp_type,
 					&filter_idx, NULL);
 	if (ret < 0) {
 		PMD_DRV_LOG(ERR, "Failed to add VXLAN UDP port %d", port);
@@ -8459,9 +8459,13 @@ i40e_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
 
 	switch (udp_tunnel->prot_type) {
 	case RTE_TUNNEL_TYPE_VXLAN:
-		ret = i40e_add_vxlan_port(pf, udp_tunnel->udp_port);
+		ret = i40e_add_vxlan_port(pf, udp_tunnel->udp_port,
+					  I40E_AQC_TUNNEL_TYPE_VXLAN);
 		break;
-
+	case RTE_TUNNEL_TYPE_VXLAN_GPE:
+                ret = i40e_add_vxlan_port(pf, udp_tunnel->udp_port,
+					  I40E_AQC_TUNNEL_TYPE_VXLAN_GPE);
+                break;
 	case RTE_TUNNEL_TYPE_GENEVE:
 	case RTE_TUNNEL_TYPE_TEREDO:
 		PMD_DRV_LOG(ERR, "Tunnel type is not supported now.");
@@ -8490,6 +8494,7 @@ i40e_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
 
 	switch (udp_tunnel->prot_type) {
 	case RTE_TUNNEL_TYPE_VXLAN:
+	case RTE_TUNNEL_TYPE_VXLAN_GPE:
 		ret = i40e_del_vxlan_port(pf, udp_tunnel->udp_port);
 		break;
 	case RTE_TUNNEL_TYPE_GENEVE:
diff --git a/lib/librte_ethdev/rte_eth_ctrl.h b/lib/librte_ethdev/rte_eth_ctrl.h
index 5ea8ae2..b341634 100644
--- a/lib/librte_ethdev/rte_eth_ctrl.h
+++ b/lib/librte_ethdev/rte_eth_ctrl.h
@@ -229,6 +229,7 @@ enum rte_eth_tunnel_type {
 	RTE_TUNNEL_TYPE_NVGRE,
 	RTE_TUNNEL_TYPE_IP_IN_GRE,
 	RTE_L2_TUNNEL_TYPE_E_TAG,
+	RTE_TUNNEL_TYPE_VXLAN_GPE,
 	RTE_TUNNEL_TYPE_MAX,
 };
 
-- 
2.9.5