[dpdk-dev] [PATCH v5] net/iavf: support outer IP hash for GTPC

[alvinx.zhang at intel.com]

From: Alvin Zhang <alvinx.zhang at intel.com>

Add patterns and headers for GTPC, now outer IP hash can be configured
as input sets for GTPC packets.

Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
---

V2: Modify codes according to comments.
V3: Refact all codes.
V4, V5: Fix compatibility issues.

 drivers/net/iavf/iavf_generic_flow.c | 18 ++++++++++++++++++
 drivers/net/iavf/iavf_generic_flow.h |  6 ++++++
 drivers/net/iavf/iavf_hash.c         | 13 +++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/drivers/net/iavf/iavf_generic_flow.c b/drivers/net/iavf/iavf_generic_flow.c
index 321a4dc..00e7f15 100644
--- a/drivers/net/iavf/iavf_generic_flow.c
+++ b/drivers/net/iavf/iavf_generic_flow.c
@@ -315,6 +315,15 @@ enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_icmp6[] = {
 	RTE_FLOW_ITEM_TYPE_END,
 };
 
+/* IPv4 GTPC */
+enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpc[] = {
+	RTE_FLOW_ITEM_TYPE_ETH,
+	RTE_FLOW_ITEM_TYPE_IPV4,
+	RTE_FLOW_ITEM_TYPE_UDP,
+	RTE_FLOW_ITEM_TYPE_GTPC,
+	RTE_FLOW_ITEM_TYPE_END,
+};
+
 /* IPV4 GTPU (EH) */
 enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu[] = {
 	RTE_FLOW_ITEM_TYPE_ETH,
@@ -333,6 +342,15 @@ enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh[] = {
 	RTE_FLOW_ITEM_TYPE_END,
 };
 
+/* IPv6 GTPC */
+enum rte_flow_item_type iavf_pattern_eth_ipv6_gtpc[] = {
+	RTE_FLOW_ITEM_TYPE_ETH,
+	RTE_FLOW_ITEM_TYPE_IPV6,
+	RTE_FLOW_ITEM_TYPE_UDP,
+	RTE_FLOW_ITEM_TYPE_GTPC,
+	RTE_FLOW_ITEM_TYPE_END,
+};
+
 /* IPV6 GTPU (EH) */
 enum rte_flow_item_type iavf_pattern_eth_ipv6_gtpu[] = {
 	RTE_FLOW_ITEM_TYPE_ETH,
diff --git a/drivers/net/iavf/iavf_generic_flow.h b/drivers/net/iavf/iavf_generic_flow.h
index f365cc3..efc7f22 100644
--- a/drivers/net/iavf/iavf_generic_flow.h
+++ b/drivers/net/iavf/iavf_generic_flow.h
@@ -182,10 +182,16 @@
 extern enum rte_flow_item_type iavf_pattern_eth_vlan_ipv6_icmp6[];
 extern enum rte_flow_item_type iavf_pattern_eth_qinq_ipv6_icmp6[];
 
+/* IPv4 GTPC */
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpc[];
+
 /* IPv4 GTPU (EH) */
 extern enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu[];
 extern enum rte_flow_item_type iavf_pattern_eth_ipv4_gtpu_eh[];
 
+/* IPv6 GTPC */
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gtpc[];
+
 /* IPv6 GTPU (EH) */
 extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gtpu[];
 extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gtpu_eh[];
diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index d0a6396..2193360 100644
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -132,6 +132,9 @@ struct iavf_hash_flow_cfg {
 	VIRTCHNL_PROTO_HDR_PFCP, \
 	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID), {BUFF_NOUSED} }
 
+#define proto_hdr_gtpc { \
+	VIRTCHNL_PROTO_HDR_GTPC, 0, {BUFF_NOUSED} }
+
 #define TUNNEL_LEVEL_OUTER		0
 #define TUNNEL_LEVEL_INNER		1
 
@@ -256,6 +259,14 @@ struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
 	TUNNEL_LEVEL_OUTER, 2, {proto_hdr_ipv6, proto_hdr_pfcp}
 };
 
+struct virtchnl_proto_hdrs ipv4_udp_gtpc_tmplt = {
+	TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_gtpc}
+};
+
+struct virtchnl_proto_hdrs ipv6_udp_gtpc_tmplt = {
+	TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv6, proto_hdr_udp, proto_hdr_gtpc}
+};
+
 /* rss type super set */
 
 /* IPv4 outer */
@@ -366,6 +377,7 @@ struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
 	{iavf_pattern_eth_ipv4_ah,			IAVF_RSS_TYPE_IPV4_AH,		&ipv4_ah_tmplt},
 	{iavf_pattern_eth_ipv4_l2tpv3,			IAVF_RSS_TYPE_IPV4_L2TPV3,	&ipv4_l2tpv3_tmplt},
 	{iavf_pattern_eth_ipv4_pfcp,			IAVF_RSS_TYPE_IPV4_PFCP,	&ipv4_pfcp_tmplt},
+	{iavf_pattern_eth_ipv4_gtpc,			ETH_RSS_IPV4,			&ipv4_udp_gtpc_tmplt},
 	/* IPv6 */
 	{iavf_pattern_eth_ipv6,				IAVF_RSS_TYPE_OUTER_IPV6,	&outer_ipv6_tmplt},
 	{iavf_pattern_eth_ipv6_udp,			IAVF_RSS_TYPE_OUTER_IPV6_UDP,	&outer_ipv6_udp_tmplt},
@@ -393,6 +405,7 @@ struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
 	{iavf_pattern_eth_ipv6_ah,			IAVF_RSS_TYPE_IPV6_AH,		&ipv6_ah_tmplt},
 	{iavf_pattern_eth_ipv6_l2tpv3,			IAVF_RSS_TYPE_IPV6_L2TPV3,	&ipv6_l2tpv3_tmplt},
 	{iavf_pattern_eth_ipv6_pfcp,			IAVF_RSS_TYPE_IPV6_PFCP,	&ipv6_pfcp_tmplt},
+	{iavf_pattern_eth_ipv6_gtpc,			ETH_RSS_IPV6,			&ipv6_udp_gtpc_tmplt},
 };
 
 struct virtchnl_proto_hdrs *iavf_hash_default_hdrs[] = {
-- 
1.8.3.1