X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd%2Fl3fwd_em_sse.h;h=c0a9725a6dfa6e8972c692a5875fce2f8ef36206;hb=6cd6d65b7baa9fb87bb18dccb09d6bb1e552c38f;hp=4c6d14f49f06231d6f9267171bdfd00f4dcaacd2;hpb=94c54b4158d56fb169b136d9adcc24b3b64dc4b0;p=dpdk.git

diff --git a/examples/l3fwd/l3fwd_em_sse.h b/examples/l3fwd/l3fwd_em_sse.h
index 4c6d14f49f..c0a9725a6d 100644
--- a/examples/l3fwd/l3fwd_em_sse.h
+++ b/examples/l3fwd/l3fwd_em_sse.h
@@ -34,6 +34,15 @@
 #ifndef __L3FWD_EM_SSE_H__
 #define __L3FWD_EM_SSE_H__
 
+/**
+ * @file
+ * This is an optional implementation of packet classification in Exact-Match
+ * path using sequential packet classification method.
+ * While hash lookup multi seems to provide better performance, it's disabled
+ * by default and can be enabled with NO_HASH_LOOKUP_MULTI global define in
+ * compilation time.
+ */
+
 #include "l3fwd_sse.h"
 
 static inline __attribute__((always_inline)) uint16_t
@@ -43,8 +52,13 @@ em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
 	uint8_t next_hop;
 	struct ipv4_hdr *ipv4_hdr;
 	struct ipv6_hdr *ipv6_hdr;
+	uint32_t tcp_or_udp;
+	uint32_t l3_ptypes;
+
+	tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+	l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
 
-	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+	if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
 
 		/* Handle IPv4 headers.*/
 		ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
@@ -59,7 +73,7 @@ em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
 
 		return next_hop;
 
-	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+	} else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
 
 		/* Handle IPv6 headers.*/
 		ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv6_hdr *,