X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fcsumonly.c;h=950ea82a1d351507d23d505d3ced37fdab43350b;hb=f3618dcbcff8ae6b2eabf982f4c4fbbc3dd66703;hp=bee652a9be73bd2f000e6fb6ea88853e2d35a9c3;hpb=9075b0f1ce764f3c998971eb987ddeeb852d423c;p=dpdk.git

diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index bee652a9be..950ea82a1d 100644
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -51,7 +51,6 @@
 #include <rte_memcpy.h>
 #include <rte_memzone.h>
 #include <rte_launch.h>
-#include <rte_tailq.h>
 #include <rte_eal.h>
 #include <rte_per_lcore.h>
 #include <rte_lcore.h>
@@ -79,6 +78,10 @@
 #define IP_HDRLEN  0x05 /* default IP header length == five 32-bits words. */
 #define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
 
+#define GRE_KEY_PRESENT 0x2000
+#define GRE_KEY_LEN     4
+#define GRE_SUPPORTED_FIELDS GRE_KEY_PRESENT
+
 /* We cannot use rte_cpu_to_be_16() on a constant in a switch/case */
 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
 #define _htons(x) ((uint16_t)((((x) & 0x00ffU) << 8) | (((x) & 0xff00U) >> 8)))
@@ -101,7 +104,7 @@ struct testpmd_offload_info {
 	uint16_t tso_segsz;
 };
 
-/* simplified GRE header (flags must be 0) */
+/* simplified GRE header */
 struct simple_gre_hdr {
 	uint16_t flags;
 	uint16_t proto;
@@ -233,11 +236,17 @@ parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
 	struct ether_hdr *eth_hdr;
 	struct ipv4_hdr *ipv4_hdr;
 	struct ipv6_hdr *ipv6_hdr;
+	uint8_t gre_len = 0;
 
-	/* if flags != 0; it's not supported */
-	if (gre_hdr->flags != 0)
+	/* check which fields are supported */
+	if ((gre_hdr->flags & _htons(~GRE_SUPPORTED_FIELDS)) != 0)
 		return;
 
+	gre_len += sizeof(struct simple_gre_hdr);
+
+	if (gre_hdr->flags & _htons(GRE_KEY_PRESENT))
+		gre_len += GRE_KEY_LEN;
+
 	if (gre_hdr->proto == _htons(ETHER_TYPE_IPv4)) {
 		info->is_tunnel = 1;
 		info->outer_ethertype = info->ethertype;
@@ -245,8 +254,7 @@ parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
 		info->outer_l3_len = info->l3_len;
 		info->outer_l4_proto = info->l4_proto;
 
-		ipv4_hdr = (struct ipv4_hdr *)((char *)gre_hdr +
-			sizeof(struct simple_gre_hdr));
+		ipv4_hdr = (struct ipv4_hdr *)((char *)gre_hdr + gre_len);
 
 		parse_ipv4(ipv4_hdr, info);
 		info->ethertype = _htons(ETHER_TYPE_IPv4);
@@ -259,28 +267,26 @@ parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
 		info->outer_l3_len = info->l3_len;
 		info->outer_l4_proto = info->l4_proto;
 
-		ipv6_hdr = (struct ipv6_hdr *)((char *)gre_hdr +
-			sizeof(struct simple_gre_hdr));
+		ipv6_hdr = (struct ipv6_hdr *)((char *)gre_hdr + gre_len);
 
 		info->ethertype = _htons(ETHER_TYPE_IPv6);
 		parse_ipv6(ipv6_hdr, info);
 		info->l2_len = 0;
 
-	} else if (gre_hdr->proto == _htons(0x6558)) { /* ETH_P_TEB in linux */
+	} else if (gre_hdr->proto == _htons(ETHER_TYPE_TEB)) {
 		info->is_tunnel = 1;
 		info->outer_ethertype = info->ethertype;
 		info->outer_l2_len = info->l2_len;
 		info->outer_l3_len = info->l3_len;
 		info->outer_l4_proto = info->l4_proto;
 
-		eth_hdr = (struct ether_hdr *)((char *)gre_hdr +
-			sizeof(struct simple_gre_hdr));
+		eth_hdr = (struct ether_hdr *)((char *)gre_hdr + gre_len);
 
 		parse_ethernet(eth_hdr, info);
 	} else
 		return;
 
-	info->l2_len += sizeof(struct simple_gre_hdr);
+	info->l2_len += gre_len;
 }
 
 
@@ -593,6 +599,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 				m->outer_l3_len = info.outer_l3_len;
 				m->l2_len = info.l2_len;
 				m->l3_len = info.l3_len;
+				m->l4_len = info.l4_len;
 			}
 			else {
 				/* if there is a outer UDP cksum
@@ -699,4 +706,3 @@ struct fwd_engine csum_fwd_engine = {
 	.port_fwd_end   = NULL,
 	.packet_fwd     = pkt_burst_checksum_forward,
 };
-