diff options
| author | Mark Bloch <markb@mellanox.com> | 2017-12-07 18:31:50 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2017-12-28 13:36:33 +0300 |
| commit | f7a68945a5aab7498fb7a3e5b13e2ae6c2955e55 (patch) | |
| tree | ab7e879175196203958f6e333d2291270dd980d1 /drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | |
| parent | 4c66df01f5a46b191df0d036fc76cc9350280bc3 (diff) | |
| download | linux-f7a68945a5aab7498fb7a3e5b13e2ae6c2955e55.tar.xz | |
net/mlx5: E-Switch, Move mlx5e only logic outside E-Switch
In our pursuit to cleanup e-switch sub-module from mlx5e specific code,
we move the functions that insert/remove the flow steering rules that
allow mlx5e representors to send packets directly to VFs into the EN
driver code.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_rep.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 6d2219f3acf6..19edaa155062 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -190,6 +190,59 @@ int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr) return 0; } +static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep *rep) +{ + struct mlx5_esw_sq *esw_sq, *tmp; + + if (esw->mode != SRIOV_OFFLOADS) + return; + + list_for_each_entry_safe(esw_sq, tmp, &rep->vport_sqs_list, list) { + mlx5_del_flow_rules(esw_sq->send_to_vport_rule); + list_del(&esw_sq->list); + kfree(esw_sq); + } +} + +static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep *rep, + u16 *sqns_array, int sqns_num) +{ + struct mlx5_flow_handle *flow_rule; + struct mlx5_esw_sq *esw_sq; + int err; + int i; + + if (esw->mode != SRIOV_OFFLOADS) + return 0; + + for (i = 0; i < sqns_num; i++) { + esw_sq = kzalloc(sizeof(*esw_sq), GFP_KERNEL); + if (!esw_sq) { + err = -ENOMEM; + goto out_err; + } + + /* Add re-inject rule to the PF/representor sqs */ + flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, + rep->vport, + sqns_array[i]); + if (IS_ERR(flow_rule)) { + err = PTR_ERR(flow_rule); + kfree(esw_sq); + goto out_err; + } + esw_sq->send_to_vport_rule = flow_rule; + list_add(&esw_sq->list, &rep->vport_sqs_list); + } + return 0; + +out_err: + mlx5e_sqs2vport_stop(esw, rep); + return err; +} + int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; @@ -210,7 +263,7 @@ int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv) sqs[num_sqs++] = c->sq[tc].sqn; } - err = mlx5_eswitch_sqs2vport_start(esw, rep, sqs, num_sqs); + err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs); kfree(sqs); out: @@ -225,7 +278,7 @@ void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv) struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; - mlx5_eswitch_sqs2vport_stop(esw, rep); + mlx5e_sqs2vport_stop(esw, rep); } static void mlx5e_rep_neigh_update_init_interval(struct mlx5e_rep_priv *rpriv) |