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app/testpmd: allocate txonly segments per bulk

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Use bulk ops for allocating segments instead of having a inner loop
for every segment.
This reduces the number of calls to the mempool layer.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Pavan Nikhilesh 2019-04-02 09:53:29 +00:00 committed by Ferruh Yigit
parent e54ac3b1d9
commit 561ddcf8d0
1 changed files with 11 additions and 5 deletions
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16
app/test-pmd/txonly.c
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@ -155,6 +155,7 @@ static void
pkt_burst_transmit(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mbuf *pkt_segs[RTE_MAX_SEGS_PER_PKT];
struct rte_port *txp;
struct rte_mbuf *pkt;
struct rte_mbuf *pkt_seg;
@ -216,18 +217,23 @@ pkt_burst_transmit(struct fwd_stream *fs)
rte_pktmbuf_reset_headroom(pkt);
pkt->data_len = tx_pkt_seg_lengths[0];
pkt_seg = pkt;
if (tx_pkt_split == TX_PKT_SPLIT_RND)
nb_segs = random() % tx_pkt_nb_segs + 1;
else
nb_segs = tx_pkt_nb_segs;
pkt_len = pkt->data_len;
for (i = 1; i < nb_segs; i++) {
pkt_seg->next = rte_mbuf_raw_alloc(mbp);
if (pkt_seg->next == NULL) {
pkt->nb_segs = i;
if (nb_segs > 1) {
if (rte_mempool_get_bulk(mbp, (void **)pkt_segs,
nb_segs)) {
rte_pktmbuf_free(pkt);
goto nomore_mbuf;
}
}
pkt_len = pkt->data_len;
for (i = 1; i < nb_segs; i++) {
pkt_seg->next = pkt_segs[i - 1];
pkt_seg = pkt_seg->next;
pkt_seg->data_len = tx_pkt_seg_lengths[i];
pkt_len += pkt_seg->data_len;