X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fflowgen.c;h=a6abe91e5d7e4ef8d3f5f593c06ac4aeab6da69d;hb=486cd8919f9e97587cab1d5b5a20ed9c348ceea6;hp=0f307e85e919d0f6672b49c5d95e1a620dfe0cf1;hpb=693f715da45c48ec1ec0fe4ba2f3b5ffd11ba53e;p=dpdk.git

diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index 0f307e85e9..a6abe91e5d 100644
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -89,17 +89,6 @@ 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 unaligned_uint16_t *hdr, int hdr_len)
 {
@@ -142,6 +131,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 	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;
@@ -167,7 +157,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 	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;
 
@@ -218,6 +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