X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fflowgen.c;h=a6abe91e5d7e4ef8d3f5f593c06ac4aeab6da69d;hb=486cd8919f9e97587cab1d5b5a20ed9c348ceea6;hp=72016c9c77f9db46952b6ed43f4f6fe0e0c687ae;hpb=ff708facfcbf42f3dcb3c62d82ecd93e7b8c2506;p=dpdk.git

diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index 72016c9c77..a6abe91e5d 100644
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -89,19 +89,8 @@ static struct ether_addr cfg_ether_dst	=
 #define IP_HDRLEN  0x05 /* default IP header length == five 32-bits words. */
 #define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
 
-static inline struct rte_mbuf *
-tx_mbuf_alloc(struct rte_mempool *mp)
-{
-	struct rte_mbuf *m;
-
-	m = __rte_mbuf_raw_alloc(mp);
-	__rte_mbuf_sanity_check_raw(m, 0);
-	return (m);
-}
-
-
 static inline uint16_t
-ip_sum(const uint16_t *hdr, int hdr_len)
+ip_sum(const unaligned_uint16_t *hdr, int hdr_len)
 {
 	uint32_t sum = 0;
 
@@ -136,12 +125,13 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 	struct ether_hdr *eth_hdr;
 	struct ipv4_hdr *ip_hdr;
 	struct udp_hdr *udp_hdr;
-	uint16_t vlan_tci;
+	uint16_t vlan_tci, vlan_tci_outer;
 	uint16_t ol_flags;
 	uint16_t nb_rx;
 	uint16_t nb_tx;
 	uint16_t nb_pkt;
 	uint16_t i;
+	uint32_t retry;
 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 	uint64_t start_tsc;
 	uint64_t end_tsc;
@@ -163,10 +153,11 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 
 	mbp = current_fwd_lcore()->mbp;
 	vlan_tci = ports[fs->tx_port].tx_vlan_id;
+	vlan_tci_outer = ports[fs->tx_port].tx_vlan_id_outer;
 	ol_flags = ports[fs->tx_port].tx_ol_flags;
 
 	for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
-		pkt = tx_mbuf_alloc(mbp);
+		pkt = rte_mbuf_raw_alloc(mbp);
 		if (!pkt)
 			break;
 
@@ -193,7 +184,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 							   next_flow);
 		ip_hdr->total_length	= RTE_CPU_TO_BE_16(pkt_size -
 							   sizeof(*eth_hdr));
-		ip_hdr->hdr_checksum	= ip_sum((uint16_t *)ip_hdr,
+		ip_hdr->hdr_checksum	= ip_sum((unaligned_uint16_t *)ip_hdr,
 						 sizeof(*ip_hdr));
 
 		/* Initialize UDP header. */
@@ -208,6 +199,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 		pkt->pkt_len		= pkt_size;
 		pkt->ol_flags		= ol_flags;
 		pkt->vlan_tci		= vlan_tci;
+		pkt->vlan_tci_outer	= vlan_tci_outer;
 		pkt->l2_len		= sizeof(struct ether_hdr);
 		pkt->l3_len		= sizeof(struct ipv4_hdr);
 		pkts_burst[nb_pkt]	= pkt;
@@ -216,6 +208,17 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 	}
 
 	nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_pkt);
+	/*
+	 * Retry if necessary
+	 */
+	if (unlikely(nb_tx < nb_rx) && fs->retry_enabled) {
+		retry = 0;
+		while (nb_tx < nb_rx && retry++ < burst_tx_retry_num) {
+			rte_delay_us(burst_tx_delay_time);
+			nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
+					&pkts_burst[nb_tx], nb_rx - nb_tx);
+		}
+	}
 	fs->tx_packets += nb_tx;
 
 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS