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net/mlx5e: Change the TC offload rule add/del code path to be per NIC or E-Switch 

Refactor the code to deal with add/del TC rules to have handler per NIC/E-switch
offloading use case, and push the latter into the e-switch code. This provides
better separation and is to be used in down-stream patch for applying a fix.

Fixes: bffaa91658 ("net/mlx5: E-Switch, Add control for inline mode")
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2017-03-21 15:59:13 +02:00 committed by David S. Miller
parent 1f30a86c58
commit d85cdccbb3
3 changed files with 58 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
View File

@ -133,6 +133,23 @@ err_create_ft:
return rule;
}
static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
struct mlx5_fc *counter = NULL;
if (!IS_ERR(flow->rule)) {
counter = mlx5_flow_rule_counter(flow->rule);
mlx5_del_flow_rules(flow->rule);
mlx5_fc_destroy(priv->mdev, counter);
}
if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
mlx5_destroy_flow_table(priv->fs.tc.t);
priv->fs.tc.t = NULL;
}
}
static struct mlx5_flow_handle *
mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
struct mlx5_flow_spec *spec,
@ -149,7 +166,24 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
}
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow) {
struct mlx5e_tc_flow *flow);
static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->attr);
mlx5_eswitch_del_vlan_action(esw, flow->attr);
if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
mlx5e_detach_encap(priv, flow);
}
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
struct list_head *next = flow->encap.next;
list_del(&flow->encap);
@ -173,25 +207,10 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv,
static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5_fc *counter = NULL;
if (!IS_ERR(flow->rule)) {
counter = mlx5_flow_rule_counter(flow->rule);
mlx5_del_flow_rules(flow->rule);
mlx5_fc_destroy(priv->mdev, counter);
}
if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
mlx5_eswitch_del_vlan_action(esw, flow->attr);
if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
mlx5e_detach_encap(priv, flow);
}
if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
mlx5_destroy_flow_table(priv->fs.tc.t);
priv->fs.tc.t = NULL;
}
if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
mlx5e_tc_del_fdb_flow(priv, flow);
else
mlx5e_tc_del_nic_flow(priv, flow);
}
static void parse_vxlan_attr(struct mlx5_flow_spec *spec,

5
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -271,6 +271,11 @@ struct mlx5_flow_handle *
mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
struct mlx5_flow_spec *spec,
struct mlx5_esw_flow_attr *attr);
void
mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
struct mlx5_flow_handle *rule,
struct mlx5_esw_flow_attr *attr);
struct mlx5_flow_handle *
mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn);

14
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@ -97,6 +97,20 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
return rule;
}
void
mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
struct mlx5_flow_handle *rule,
struct mlx5_esw_flow_attr *attr)
{
struct mlx5_fc *counter = NULL;
if (!IS_ERR(rule)) {
counter = mlx5_flow_rule_counter(rule);
mlx5_del_flow_rules(rule);
mlx5_fc_destroy(esw->dev, counter);
}
}
static int esw_set_global_vlan_pop(struct mlx5_eswitch *esw, u8 val)
{
struct mlx5_eswitch_rep *rep;