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authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2018-06-18 13:36:41 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2018-06-19 08:22:47 +0200
commite4df4d55df003957fc5afd7440e3d3192d7ce218 (patch)
tree4d87da85a727b31f1a76de49f6c4d31cedda71b7 /drivers/net/mlx4/mlx4_rxq.c
parentd038355bf358f713efbb182f174e2a8a09042e2b (diff)
New upstream version 17.11.3
Change-Id: I2b901aaf362a2b94195665cc890d824b2c3a620e Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
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));