X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd%2Fl3fwd_em.c;h=def5a024284d824587aa64508edc06551435818a;hb=6cd6d65b7baa9fb87bb18dccb09d6bb1e552c38f;hp=50f09e561f22c21cd346b411e23026fd5629295a;hpb=52c97adc1f0f30d2642cd158ed95142655fd4227;p=dpdk.git

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index 50f09e561f..def5a02428 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -42,6 +42,7 @@
 #include <errno.h>
 #include <getopt.h>
 #include <stdbool.h>
+#include <netinet/in.h>
 
 #include <rte_debug.h>
 #include <rte_ether.h>
@@ -258,6 +259,8 @@ em_mask_key(void *key, xmm_t mask)
 
 	return vandq_s32(data, mask);
 }
+#else
+#error No vector engine (SSE, NEON) available, check your toolchain
 #endif
 
 static inline uint8_t
@@ -314,11 +317,6 @@ em_get_ipv6_dst_port(void *ipv6_hdr,  uint8_t portid, void *lookup_struct)
 	return (uint8_t)((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
 }
 
-
-/*
- * Include header file if SSE4_1 is enabled for
- * buffer optimization i.e. ENABLE_MULTI_BUFFER_OPTIMIZE=1.
- */
 #if defined(__SSE4_1__)
 #if defined(NO_HASH_MULTI_LOOKUP)
 #include "l3fwd_em_sse.h"
@@ -524,6 +522,114 @@ populate_ipv6_many_flow_into_table(const struct rte_hash *h,
 	printf("Hash: Adding 0x%x keys\n", nr_flow);
 }
 
+/* Requirements:
+ * 1. IP packets without extension;
+ * 2. L4 payload should be either TCP or UDP.
+ */
+int
+em_check_ptype(int portid)
+{
+	int i, ret;
+	int ptype_l3_ipv4_ext = 0;
+	int ptype_l3_ipv6_ext = 0;
+	int ptype_l4_tcp = 0;
+	int ptype_l4_udp = 0;
+	uint32_t ptype_mask = RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK;
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+	if (ret <= 0)
+		return 0;
+
+	uint32_t ptypes[ret];
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+	for (i = 0; i < ret; ++i) {
+		switch (ptypes[i]) {
+		case RTE_PTYPE_L3_IPV4_EXT:
+			ptype_l3_ipv4_ext = 1;
+			break;
+		case RTE_PTYPE_L3_IPV6_EXT:
+			ptype_l3_ipv6_ext = 1;
+			break;
+		case RTE_PTYPE_L4_TCP:
+			ptype_l4_tcp = 1;
+			break;
+		case RTE_PTYPE_L4_UDP:
+			ptype_l4_udp = 1;
+			break;
+		}
+	}
+
+	if (ptype_l3_ipv4_ext == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV4_EXT\n", portid);
+	if (ptype_l3_ipv6_ext == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV6_EXT\n", portid);
+	if (!ptype_l3_ipv4_ext || !ptype_l3_ipv6_ext)
+		return 0;
+
+	if (ptype_l4_tcp == 0)
+		printf("port %d cannot parse RTE_PTYPE_L4_TCP\n", portid);
+	if (ptype_l4_udp == 0)
+		printf("port %d cannot parse RTE_PTYPE_L4_UDP\n", portid);
+	if (ptype_l4_tcp && ptype_l4_udp)
+		return 1;
+
+	return 0;
+}
+
+static inline void
+em_parse_ptype(struct rte_mbuf *m)
+{
+	struct ether_hdr *eth_hdr;
+	uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+	uint16_t ether_type;
+	void *l3;
+	int hdr_len;
+	struct ipv4_hdr *ipv4_hdr;
+	struct ipv6_hdr *ipv6_hdr;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+	ether_type = eth_hdr->ether_type;
+	l3 = (uint8_t *)eth_hdr + sizeof(struct ether_hdr);
+	if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+		ipv4_hdr = (struct ipv4_hdr *)l3;
+		hdr_len = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
+			  IPV4_IHL_MULTIPLIER;
+		if (hdr_len == sizeof(struct ipv4_hdr)) {
+			packet_type |= RTE_PTYPE_L3_IPV4;
+			if (ipv4_hdr->next_proto_id == IPPROTO_TCP)
+				packet_type |= RTE_PTYPE_L4_TCP;
+			else if (ipv4_hdr->next_proto_id == IPPROTO_UDP)
+				packet_type |= RTE_PTYPE_L4_UDP;
+		} else
+			packet_type |= RTE_PTYPE_L3_IPV4_EXT;
+	} else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+		ipv6_hdr = (struct ipv6_hdr *)l3;
+		if (ipv6_hdr->proto == IPPROTO_TCP)
+			packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
+		else if (ipv6_hdr->proto == IPPROTO_UDP)
+			packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
+		else
+			packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+	}
+
+	m->packet_type = packet_type;
+}
+
+uint16_t
+em_cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+		  struct rte_mbuf *pkts[], uint16_t nb_pkts,
+		  uint16_t max_pkts __rte_unused,
+		  void *user_param __rte_unused)
+{
+	unsigned i;
+
+	for (i = 0; i < nb_pkts; ++i)
+		em_parse_ptype(pkts[i]);
+
+	return nb_pkts;
+}
+
 /* main processing loop */
 int
 em_main_loop(__attribute__((unused)) void *dummy)
@@ -592,10 +698,6 @@ em_main_loop(__attribute__((unused)) void *dummy)
 			if (nb_rx == 0)
 				continue;
 
-			/*
-			 * For SSE4_1 use ENABLE_MULTI_BUFFER_OPTIMIZE=1
-			 * code.
-			 */
 #if defined(__SSE4_1__)
 			l3fwd_em_send_packets(nb_rx, pkts_burst,
 							portid, qconf);