From: Viacheslav Ovsiienko Date: Thu, 7 Nov 2019 13:18:24 +0000 (+0000) Subject: net/mlx5: fix asserts for multi-segment Tx offload misconfig X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=2d2c2efeda176962a9ba9b46a10d3f6bf8f30c48;p=dpdk.git net/mlx5: fix asserts for multi-segment Tx offload misconfig To support multi-segment packet sending the Tx datapath DEV_TX_OFFLOAD_MULTI_SEGS offload must be configured. In debug configuration the asserts arise if the multi-segment packet is being sent and no DEV_TX_OFFLOAD_MULTI_SEGS is set. It was found that in some execution paths asserts were missed, this patch adds ones. Fixes: 18a1c20044c0 ("net/mlx5: implement Tx burst template") Cc: stable@dpdk.org Signed-off-by: Viacheslav Ovsiienko Acked-by: Matan Azrad --- diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index f28a9099f9..8bc0542530 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -3875,6 +3875,7 @@ mlx5_tx_burst_empw_simple(struct mlx5_txq_data *restrict txq, unsigned int slen = 0; next_empw: + assert(NB_SEGS(loc->mbuf) == 1); part = RTE_MIN(pkts_n, MLX5_EMPW_MAX_PACKETS); if (unlikely(loc->elts_free < part)) { /* We have no enough elts to save all mbufs. */ @@ -3934,6 +3935,7 @@ next_empw: return MLX5_TXCMP_CODE_EXIT; return MLX5_TXCMP_CODE_MULTI; } + assert(NB_SEGS(loc->mbuf) == 1); if (ret == MLX5_TXCMP_CODE_TSO) { part -= loop; mlx5_tx_sdone_empw(txq, loc, part, slen, olx); @@ -4033,6 +4035,7 @@ mlx5_tx_burst_empw_inline(struct mlx5_txq_data *restrict txq, unsigned int room, part, nlim; unsigned int slen = 0; + assert(NB_SEGS(loc->mbuf) == 1); /* * Limits the amount of packets in one WQE * to improve CQE latency generation. @@ -4173,6 +4176,7 @@ next_mbuf: return MLX5_TXCMP_CODE_EXIT; return MLX5_TXCMP_CODE_MULTI; } + assert(NB_SEGS(loc->mbuf) == 1); if (ret == MLX5_TXCMP_CODE_TSO) { part -= room; mlx5_tx_idone_empw(txq, loc, part, slen, olx);