X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fmacswap.c;h=36e139f6fe5d1497ceeda9bcbe5132a7f11b92b3;hb=f03723017a2a5ea421df821eb0ff9a0bfcacff4f;hp=c10f4b54b4e966d578a6880da6c8bf256539fe9b;hpb=7fdb263bbbda1d3df0e80f708ea472f6706d2eda;p=dpdk.git

diff --git a/app/test-pmd/macswap.c b/app/test-pmd/macswap.c
index c10f4b54b4..36e139f6fe 100644
--- a/app/test-pmd/macswap.c
+++ b/app/test-pmd/macswap.c
@@ -56,7 +56,6 @@
 #include <rte_lcore.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
-#include <rte_ring.h>
 #include <rte_memory.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
@@ -84,6 +83,7 @@ pkt_burst_mac_swap(struct fwd_stream *fs)
 	uint16_t nb_rx;
 	uint16_t nb_tx;
 	uint16_t i;
+	uint32_t retry;
 	uint64_t ol_flags = 0;
 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 	uint64_t start_tsc;
@@ -131,6 +131,17 @@ pkt_burst_mac_swap(struct fwd_stream *fs)
 		mb->vlan_tci_outer = txp->tx_vlan_id_outer;
 	}
 	nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);
+	/*
+	 * 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
 	fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;