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| author |   Vlad Buslov <vladbu@mellanox.com> | 2018-06-08 11:49:28 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2019-08-21 15:55:16 -0700 |
| commit | 1216ce9d4a740bed88393177174fef275069a560 (patch) | |
| tree | 0c3d459a2195e1d54bb33fb059f8ab7ee38472da /drivers/net/ethernet/mellanox/mlx5/core/en_rep.h | |
| parent | net/mlx5e: Always take reference to neigh entry (diff) | |
| download | linux-dev-1216ce9d4a740bed88393177174fef275069a560.tar.xz linux-dev-1216ce9d4a740bed88393177174fef275069a560.zip | |
net/mlx5e: Extend neigh hash entry with rcu
To remove dependency on rtnl lock and to allow unlocked iteration over list
of neigh hash entries, extend nhe with rcu. Change operations on neigh list
to their rcu counterparts and free neigh hash entry with rcu timeout.
Introduce mlx5e_get_next_nhe() helper that is used to iterate over rcu
neigh list with reference to nhe taken.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_rep.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index f5bc9772be98..d057e401b0de 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -138,6 +138,8 @@ struct mlx5e_neigh_hash_entry { * 'used' value and avoid neigh deleting by the kernel. */ unsigned long reported_lastuse; + + struct rcu_head rcu; }; enum { |