diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 5e40db8f92e6..1b427d7fab42 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4190,8 +4190,6 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) /* no need for full reset when exchanging programs */ reset = (!priv->channels.params.xdp_prog || !prog); - if (was_opened && reset) - mlx5e_close_locked(netdev); if (was_opened && !reset) { /* num_channels is invariant here, so we can take the * batched reference right upfront. @@ -4203,20 +4201,31 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) } } - /* exchange programs, extra prog reference we got from caller - * as long as we don't fail from this point onwards. - */ - old_prog = xchg(&priv->channels.params.xdp_prog, prog); + if (was_opened && reset) { + struct mlx5e_channels new_channels = {}; + + new_channels.params = priv->channels.params; + new_channels.params.xdp_prog = prog; + mlx5e_set_rq_type(priv->mdev, &new_channels.params); + old_prog = priv->channels.params.xdp_prog; + + err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); + if (err) + goto unlock; + } else { + /* exchange programs, extra prog reference we got from caller + * as long as we don't fail from this point onwards. + */ + old_prog = xchg(&priv->channels.params.xdp_prog, prog); + } + if (old_prog) bpf_prog_put(old_prog); - if (reset) /* change RQ type according to priv->xdp_prog */ + if (!was_opened && reset) /* change RQ type according to priv->xdp_prog */ mlx5e_set_rq_type(priv->mdev, &priv->channels.params); - if (was_opened && reset) - err = mlx5e_open_locked(netdev); - - if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || reset) + if (!was_opened || reset) goto unlock; /* exchanging programs w/o reset, we update ref counts on behalf |