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Diffstat (limited to 'app/test-pmd/icmpecho.c')
-rw-r--r--app/test-pmd/icmpecho.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/app/test-pmd/icmpecho.c b/app/test-pmd/icmpecho.c
index e510f9bf..be308c9f 100644
--- a/app/test-pmd/icmpecho.c
+++ b/app/test-pmd/icmpecho.c
@@ -311,6 +311,7 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
struct ipv4_hdr *ip_h;
struct icmp_hdr *icmp_h;
struct ether_addr eth_addr;
+ uint32_t retry;
uint32_t ip_addr;
uint16_t nb_rx;
uint16_t nb_tx;
@@ -346,6 +347,9 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
fs->rx_packets += nb_rx;
nb_replies = 0;
for (i = 0; i < nb_rx; i++) {
+ if (likely(i < nb_rx - 1))
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1],
+ void *));
pkt = pkts_burst[i];
eth_h = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
eth_type = RTE_BE_TO_CPU_16(eth_h->ether_type);
@@ -515,6 +519,20 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
if (nb_replies > 0) {
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst,
nb_replies);
+ /*
+ * Retry if necessary
+ */
+ if (unlikely(nb_tx < nb_replies) && fs->retry_enabled) {
+ retry = 0;
+ while (nb_tx < nb_replies &&
+ 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_replies - nb_tx);
+ }
+ }
fs->tx_packets += nb_tx;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;