diff options
Diffstat (limited to 'app/test-pmd/icmpecho.c')
| -rw-r--r-- | app/test-pmd/icmpecho.c | 18 |
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]++; |