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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-07-06 09:22:35 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-07-06 16:09:40 +0200 |
| commit | 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db (patch) | |
| tree | 8c3c769777f7e66a2d1ba7dd7651b563cfde370b /app/test-pmd/macswap.c | |
| parent | 97f17497d162afdb82c8704bf097f0fee3724b2e (diff) | |
Imported Upstream version 16.07-rc1
Change-Id: I40a523e52f12e8496fdd69e902824b0226c303de
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'app/test-pmd/macswap.c')
| -rw-r--r-- | app/test-pmd/macswap.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/app/test-pmd/macswap.c b/app/test-pmd/macswap.c index 154889d1..4b0dbeb5 100644 --- a/app/test-pmd/macswap.c +++ b/app/test-pmd/macswap.c @@ -84,6 +84,7 @@ 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; @@ -113,6 +114,9 @@ pkt_burst_mac_swap(struct fwd_stream *fs) if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_QINQ) ol_flags |= PKT_TX_QINQ_PKT; for (i = 0; i < nb_rx; i++) { + if (likely(i < nb_rx - 1)) + rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1], + void *)); mb = pkts_burst[i]; eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *); @@ -128,6 +132,17 @@ 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]++; |