[dpdk-dev] [PATCH v5 2/2] app/testpmd: add mempool bulk get for txonly mode
Pavan Nikhilesh Bhagavatula
pbhagavatula at marvell.com
Sun Mar 31 15:14:23 CEST 2019
From: Pavan Nikhilesh <pbhagavatula at marvell.com>
Use mempool bulk get ops to alloc burst of packets and process them.
If bulk get fails fallback to rte_mbuf_raw_alloc.
Tested-by: Yingya Han <yingyax.han at intel.com>
Suggested-by: Andrew Rybchenko <arybchenko at solarflare.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
app/test-pmd/txonly.c | 37 ++++++++++++++++++++++++++-----------
1 file changed, 26 insertions(+), 11 deletions(-)
diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
index 9c0147089..4c34ef128 100644
--- a/app/test-pmd/txonly.c
+++ b/app/test-pmd/txonly.c
@@ -250,18 +250,33 @@ pkt_burst_transmit(struct fwd_stream *fs)
ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
- for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
- pkt = rte_mbuf_raw_alloc(mbp);
- if (pkt == NULL)
- break;
- if (unlikely(!pkt_burst_prepare(pkt, mbp,
- ð_hdr, vlan_tci,
- vlan_tci_outer,
- ol_flags))) {
- rte_mempool_put(mbp, pkt);
- break;
+ if (rte_mempool_get_bulk(mbp, (void **)pkts_burst,
+ nb_pkt_per_burst) == 0) {
+ for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
+ if (unlikely(!pkt_burst_prepare(pkts_burst[nb_pkt], mbp,
+ ð_hdr, vlan_tci,
+ vlan_tci_outer,
+ ol_flags))) {
+ rte_mempool_put_bulk(mbp,
+ (void **)&pkts_burst[nb_pkt],
+ nb_pkt_per_burst - nb_pkt);
+ break;
+ }
+ }
+ } else {
+ for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
+ pkt = rte_mbuf_raw_alloc(mbp);
+ if (pkt == NULL)
+ break;
+ if (unlikely(!pkt_burst_prepare(pkt, mbp,
+ ð_hdr, vlan_tci,
+ vlan_tci_outer,
+ ol_flags))) {
+ rte_mempool_put(mbp, pkt);
+ break;
+ }
+ pkts_burst[nb_pkt] = pkt;
}
- pkts_burst[nb_pkt] = pkt;
}
if (nb_pkt == 0)
--
2.21.0
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