From: Viacheslav Ovsiienko Date: Mon, 14 Oct 2019 15:39:14 +0000 (+0000) Subject: net/mlx5: fix Tx packets statistics X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=85125863be78174d2ecbac2c2e2a25cab3c9d2db;p=dpdk.git net/mlx5: fix Tx packets statistics The transmitter packets counter was not updated correctly in the loop inside the tx_burst routines. Fixes: f32a3f5216a3 ("net/mlx5: fix completion queue overflow for large burst") Cc: stable@dpdk.org Signed-off-by: Viacheslav Ovsiienko --- diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index 10d0ca1164..20c1946e0c 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -4568,7 +4568,7 @@ send_loop: loc.wqe_free = txq->wqe_s - (uint16_t)(txq->wqe_ci - txq->wqe_pi); if (unlikely(!loc.elts_free || !loc.wqe_free)) - return loc.pkts_sent; + goto burst_exit; for (;;) { /* * Fetch the packet from array. Usually this is @@ -4735,7 +4735,7 @@ enter_send_single: assert(MLX5_TXOFF_CONFIG(INLINE) || loc.pkts_sent >= loc.pkts_copy); /* Take a shortcut if nothing is sent. */ if (unlikely(loc.pkts_sent == loc.pkts_loop)) - return loc.pkts_sent; + goto burst_exit; /* * Ring QP doorbell immediately after WQE building completion * to improve latencies. The pure software related data treatment @@ -4758,10 +4758,6 @@ enter_send_single: mlx5_tx_copy_elts(txq, pkts + loc.pkts_copy, part, olx); loc.pkts_copy = loc.pkts_sent; } -#ifdef MLX5_PMD_SOFT_COUNTERS - /* Increment sent packets counter. */ - txq->stats.opackets += loc.pkts_sent; -#endif assert(txq->elts_s >= (uint16_t)(txq->elts_head - txq->elts_tail)); assert(txq->wqe_s >= (uint16_t)(txq->wqe_ci - txq->wqe_pi)); if (pkts_n > loc.pkts_sent) { @@ -4772,6 +4768,11 @@ enter_send_single: */ goto send_loop; } +burst_exit: +#ifdef MLX5_PMD_SOFT_COUNTERS + /* Increment sent packets counter. */ + txq->stats.opackets += loc.pkts_sent; +#endif return loc.pkts_sent; }