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net/mlx5: fix tunnel offload freeing

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PMD did not remove tunnel offload object from tunnels database before
it released the object memory. As the result, the tunnels database
become corrupted and subsequent search operations triggered PMD crash.
The patch removes tunnel offload object from the tunnels database when
the object is not in-use by PMD any more.

Fixes: bc1d90a3cf6f ("net/mlx5: fix build with Direct Verbs disabled")

Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
This commit is contained in:
Gregory Etelson 2020-11-25 11:44:27 +02:00 committed by Thomas Monjalon
parent e98f479df9
commit bb5d49c616
1 changed files with 1 additions and 0 deletions
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drivers/net/mlx5/mlx5_flow.c
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@ -7423,6 +7423,7 @@ mlx5_flow_tunnel_free(struct rte_eth_dev *dev,
DRV_LOG(DEBUG, "port %u release pmd tunnel id=0x%x",
dev->data->port_id, tunnel->tunnel_id);
LIST_REMOVE(tunnel, chain);
mlx5_hlist_destroy(tunnel->groups);
ipool = priv->sh->ipool[MLX5_IPOOL_TUNNEL_ID];
mlx5_ipool_free(ipool, tunnel->tunnel_id);