From 86551f81a6e55fb4bb1b8602dff74f15f86cad6c Mon Sep 17 00:00:00 2001 From: Andrew Boyer Date: Tue, 16 Feb 2021 12:35:38 -0800 Subject: [PATCH] net/ionic: send as many packets as possible Rather than dropping the whole burst if some don't fit. This improves performance. Signed-off-by: Andrew Boyer Signed-off-by: Vishwas Danivas --- drivers/net/ionic/ionic_rxtx.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/ionic/ionic_rxtx.c b/drivers/net/ionic/ionic_rxtx.c index bb67c497a1..b4bdeabad1 100644 --- a/drivers/net/ionic/ionic_rxtx.c +++ b/drivers/net/ionic/ionic_rxtx.c @@ -536,15 +536,16 @@ ionic_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, struct ionic_tx_stats *stats = &txq->stats; uint32_t next_q_head_idx; uint32_t bytes_tx = 0; - uint16_t nb_tx = 0; + uint16_t nb_avail, nb_tx = 0; int err; /* Cleaning old buffers */ ionic_tx_flush(txq); - if (unlikely(ionic_q_space_avail(q) < nb_pkts)) { - stats->stop += nb_pkts; - return 0; + nb_avail = ionic_q_space_avail(q); + if (unlikely(nb_avail < nb_pkts)) { + stats->stop += nb_pkts - nb_avail; + nb_pkts = nb_avail; } while (nb_tx < nb_pkts) { -- 2.20.1