net/qede: fix odd number of queues usage in 100G mode

[dpdk.git] / drivers / net / mlx5 / mlx5_rxtx.c

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 8ec90c3..f540977 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -2861,13 +2861,14 @@ mlx5_tx_dseg_vlan(struct mlx5_txq_data *restrict txq,
        memcpy(pdst, buf, MLX5_DSEG_MIN_INLINE_SIZE);
        buf += MLX5_DSEG_MIN_INLINE_SIZE;
        pdst += MLX5_DSEG_MIN_INLINE_SIZE;
+       len -= MLX5_DSEG_MIN_INLINE_SIZE;
        /* Insert VLAN ethertype + VLAN tag. Pointer is aligned. */
        assert(pdst == RTE_PTR_ALIGN(pdst, MLX5_WSEG_SIZE));
+       if (unlikely(pdst >= (uint8_t *)txq->wqes_end))
+               pdst = (uint8_t *)txq->wqes;
        *(uint32_t *)pdst = rte_cpu_to_be_32((RTE_ETHER_TYPE_VLAN << 16) |
                                              loc->mbuf->vlan_tci);
        pdst += sizeof(struct rte_vlan_hdr);
-       if (unlikely(pdst >= (uint8_t *)txq->wqes_end))
-               pdst = (uint8_t *)txq->wqes;
        /*
         * The WQEBB space availability is checked by caller.
         * Here we should be aware of WQE ring buffer wraparound only.