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path: root/drivers/net/mlx4/mlx4_rxq.c
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Diffstat (limited to 'drivers/net/mlx4/mlx4_rxq.c')
-rw-r--r--drivers/net/mlx4/mlx4_rxq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/mlx4/mlx4_rxq.c b/drivers/net/mlx4/mlx4_rxq.c
index 53313c56..06030c2c 100644
--- a/drivers/net/mlx4/mlx4_rxq.c
+++ b/drivers/net/mlx4/mlx4_rxq.c
@@ -363,6 +363,8 @@ mlx4_rss_init(struct priv *priv)
unsigned int i;
int ret;
+ if (priv->rss_init)
+ return 0;
/* Prepare range for RSS contexts before creating the first WQ. */
ret = mlx4dv_set_context_attr(priv->ctx,
MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ,
@@ -444,6 +446,7 @@ wq_num_check:
}
wq_num_prev = wq_num;
}
+ priv->rss_init = 1;
return 0;
error:
ERROR("cannot initialize common RSS resources (queue %u): %s: %s",
@@ -472,6 +475,8 @@ mlx4_rss_deinit(struct priv *priv)
{
unsigned int i;
+ if (!priv->rss_init)
+ return;
for (i = 0; i != priv->dev->data->nb_rx_queues; ++i) {
struct rxq *rxq = priv->dev->data->rx_queues[i];
@@ -480,6 +485,7 @@ mlx4_rss_deinit(struct priv *priv)
mlx4_rxq_detach(rxq);
}
}
+ priv->rss_init = 0;
}
/**
@@ -622,6 +628,7 @@ error:
claim_zero(ibv_destroy_wq(wq));
if (cq)
claim_zero(ibv_destroy_cq(cq));
+ --rxq->usecnt;
rte_errno = ret;
ERROR("error while attaching Rx queue %p: %s: %s",
(void *)rxq, msg, strerror(ret));