From: Beilei Xing <beilei.xing@intel.com>
Date: Thu, 4 Jan 2018 10:46:21 +0000 (+0800)
Subject: net/i40e: improve packet type parser
X-Git-Tag: spdx-start~536
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=11556c915a08;p=dpdk.git

net/i40e: improve packet type parser

Add support for PPPoE and L2TP packet types parser.
Change parser as new metadata 'OIPV4' and 'OIPV6'
added in profile to distinguish outer IP and inner
IP.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
---

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 3515f24103..0bb1af7706 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -11051,7 +11051,7 @@ i40e_update_customized_ptype(struct rte_eth_dev *dev, uint8_t *pkg,
 	uint8_t proto_id;
 	char name[RTE_PMD_I40E_DDP_NAME_SIZE];
 	uint32_t i, j, n;
-	bool inner_ip;
+	bool in_tunnel;
 	int ret;
 
 	/* get information about new ptype num */
@@ -11096,7 +11096,7 @@ i40e_update_customized_ptype(struct rte_eth_dev *dev, uint8_t *pkg,
 	for (i = 0; i < ptype_num; i++) {
 		ptype_mapping[i].hw_ptype = ptype[i].ptype_id;
 		ptype_mapping[i].sw_ptype = 0;
-		inner_ip = false;
+		in_tunnel = false;
 		for (j = 0; j < RTE_PMD_I40E_PROTO_NUM; j++) {
 			proto_id = ptype[i].protocols[j];
 			if (proto_id == RTE_PMD_I40E_PROTO_UNUSED)
@@ -11106,54 +11106,91 @@ i40e_update_customized_ptype(struct rte_eth_dev *dev, uint8_t *pkg,
 					continue;
 				memset(name, 0, sizeof(name));
 				strcpy(name, proto[n].name);
-				if (!strncmp(name, "IPV4", 4) && !inner_ip) {
+				if (!strncmp(name, "PPPOE", 5))
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L2_ETHER_PPPOE;
+				else if (!strncmp(name, "OIPV4", 5)) {
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
-					inner_ip = true;
-				} else if (!strncmp(name, "IPV4FRAG", 8) &&
-					   inner_ip) {
+					in_tunnel = true;
+				} else if (!strncmp(name, "IPV4", 4) &&
+					   !in_tunnel)
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+				else if (!strncmp(name, "IPV4FRAG", 8) &&
+					 in_tunnel) {
 					ptype_mapping[i].sw_ptype |=
 					    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_FRAG;
 				} else if (!strncmp(name, "IPV4", 4) &&
-					   inner_ip)
+					   in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 					    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
-				else if (!strncmp(name, "IPV6", 4) &&
-					 !inner_ip) {
+				else if (!strncmp(name, "OIPV6", 5)) {
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+					in_tunnel = true;
+				} else if (!strncmp(name, "IPV6", 4) &&
+					   !in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
-					inner_ip = true;
-				} else if (!strncmp(name, "IPV6FRAG", 8) &&
-					   inner_ip) {
+				else if (!strncmp(name, "IPV6FRAG", 8) &&
+					 in_tunnel) {
 					ptype_mapping[i].sw_ptype |=
 					    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_FRAG;
 				} else if (!strncmp(name, "IPV6", 4) &&
-					   inner_ip)
+					   in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 					    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
-				else if (!strncmp(name, "GTPC", 4))
+				else if (!strncmp(name, "UDP", 3) && !in_tunnel)
 					ptype_mapping[i].sw_ptype |=
-						RTE_PTYPE_TUNNEL_GTPC;
-				else if (!strncmp(name, "GTPU", 4))
-					ptype_mapping[i].sw_ptype |=
-						RTE_PTYPE_TUNNEL_GTPU;
-				else if (!strncmp(name, "UDP", 3))
+						RTE_PTYPE_L4_UDP;
+				else if (!strncmp(name, "UDP", 3) && in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_UDP;
-				else if (!strncmp(name, "TCP", 3))
+				else if (!strncmp(name, "TCP", 3) && !in_tunnel)
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L4_TCP;
+				else if (!strncmp(name, "TCP", 3) && in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_TCP;
-				else if (!strncmp(name, "SCTP", 4))
+				else if (!strncmp(name, "SCTP", 4) &&
+					 !in_tunnel)
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L4_SCTP;
+				else if (!strncmp(name, "SCTP", 4) && in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_SCTP;
-				else if (!strncmp(name, "ICMP", 4) ||
-					 !strncmp(name, "ICMPV6", 6))
+				else if ((!strncmp(name, "ICMP", 4) ||
+					  !strncmp(name, "ICMPV6", 6)) &&
+					 !in_tunnel)
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_L4_ICMP;
+				else if ((!strncmp(name, "ICMP", 4) ||
+					  !strncmp(name, "ICMPV6", 6)) &&
+					 in_tunnel)
 					ptype_mapping[i].sw_ptype |=
 						RTE_PTYPE_INNER_L4_ICMP;
+				else if (!strncmp(name, "GTPC", 4)) {
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_TUNNEL_GTPC;
+					in_tunnel = true;
+				} else if (!strncmp(name, "GTPU", 4)) {
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_TUNNEL_GTPU;
+					in_tunnel = true;
+				} else if (!strncmp(name, "GRENAT", 6)) {
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_TUNNEL_GRENAT;
+					in_tunnel = true;
+				} else if (!strncmp(name, "L2TPv2CTL", 9)) {
+					ptype_mapping[i].sw_ptype |=
+						RTE_PTYPE_TUNNEL_L2TP;
+					in_tunnel = true;
+				}
 
 				break;
 			}