From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
To: dev@dpdk.org
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>, stable@dpdk.org
Subject: [dpdk-stable] [PATCH] net/mlx5: fix startup when flow cannot be applied
Date: Wed, 22 Feb 2017 10:57:52 +0100 [thread overview]
Message-ID: <26de01836a8fa17050f44aed05ccda3853773c78.1487757419.git.nelio.laranjeiro@6wind.com> (raw)
When flows cannot be re-applied due to configuration modifications, the
start function should rollback the configuration done.
Fixes: 2097d0d1e2cc ("net/mlx5: support basic flow items and actions")
Cc: stable@dpdk.org
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---
drivers/net/mlx5/mlx5_trigger.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index 30addd2..683b57c 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -82,17 +82,28 @@ mlx5_dev_start(struct rte_eth_dev *dev)
ERROR("%p: an error occurred while configuring hash RX queues:"
" %s",
(void *)priv, strerror(err));
- /* Rollback. */
- priv_special_flow_disable_all(priv);
- priv_mac_addrs_disable(priv);
- priv_destroy_hash_rxqs(priv);
+ goto error;
}
if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE)
priv_fdir_enable(priv);
- priv_dev_interrupt_handler_install(priv, dev);
err = priv_flow_start(priv);
+ if (!err) {
+ priv->started = 0;
+ ERROR("%p: an error occurred while configuring flows:"
+ " %s",
+ (void *)priv, strerror(err));
+ goto error;
+ }
+ priv_dev_interrupt_handler_install(priv, dev);
priv_xstats_init(priv);
priv_unlock(priv);
+ return 0;
+error:
+ /* Rollback. */
+ priv_special_flow_disable_all(priv);
+ priv_mac_addrs_disable(priv);
+ priv_destroy_hash_rxqs(priv);
+ priv_flow_stop(priv);
return -err;
}
--
2.1.4
next reply other threads:[~2017-02-22 9:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 9:57 Nelio Laranjeiro [this message]
2017-02-22 19:17 ` Ferruh Yigit
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