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Date: Tue, 14 Dec 2021 21:32:56 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Roi Dayan <roid@...dia.com>,
Oz Shlomo <ozsh@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next v0 12/16] net/mlx5e: TC action parsing loop
From: Roi Dayan <roid@...dia.com>
Introduce a common function to implement the generic parsing loop.
The same function can be used for parsing NIC and FDB (Switchdev mode) flows.
Signed-off-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Oz Shlomo <ozsh@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/en_tc.c | 88 ++++++++++---------
1 file changed, 46 insertions(+), 42 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 7fc89d41d971..a3f414171ca5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3138,6 +3138,39 @@ add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv,
extack);
}
+static int
+parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state,
+ struct flow_action *flow_action)
+{
+ struct netlink_ext_ack *extack = parse_state->extack;
+ struct mlx5e_tc_flow *flow = parse_state->flow;
+ struct mlx5_flow_attr *attr = flow->attr;
+ enum mlx5_flow_namespace_type ns_type;
+ struct mlx5e_priv *priv = flow->priv;
+ const struct flow_action_entry *act;
+ struct mlx5e_tc_act *tc_act;
+ int err, i;
+
+ ns_type = mlx5e_get_flow_namespace(flow);
+
+ flow_action_for_each(i, act, flow_action) {
+ tc_act = mlx5e_tc_act_get(act->id, ns_type);
+ if (!tc_act) {
+ NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action");
+ return -EOPNOTSUPP;
+ }
+
+ if (!tc_act->can_offload(parse_state, act, i))
+ return -EOPNOTSUPP;
+
+ err = tc_act->parse_action(parse_state, act, priv, attr);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int
actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow,
@@ -3204,11 +3237,8 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
struct mlx5e_tc_act_parse_state *parse_state;
struct mlx5e_tc_flow_parse_attr *parse_attr;
struct mlx5_flow_attr *attr = flow->attr;
- enum mlx5_flow_namespace_type ns_type;
- const struct flow_action_entry *act;
struct pedit_headers_action *hdrs;
- struct mlx5e_tc_act *tc_act;
- int err, i;
+ int err;
err = flow_action_supported(flow_action, extack);
if (err)
@@ -3219,23 +3249,11 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
parse_state = &parse_attr->parse_state;
mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack);
parse_state->ct_priv = get_ct_priv(priv);
- ns_type = mlx5e_get_flow_namespace(flow);
hdrs = parse_state->hdrs;
- flow_action_for_each(i, act, flow_action) {
- tc_act = mlx5e_tc_act_get(act->id, ns_type);
- if (!tc_act) {
- NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action");
- return -EOPNOTSUPP;
- }
-
- if (!tc_act->can_offload(parse_state, act, i))
- return -EOPNOTSUPP;
-
- err = tc_act->parse_action(parse_state, act, priv, attr);
- if (err)
- return err;
- }
+ err = parse_tc_actions(parse_state, flow_action);
+ if (err)
+ return err;
if (attr->dest_chain && parse_attr->mirred_ifindex[0]) {
NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported");
@@ -3337,21 +3355,19 @@ int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv,
return 0;
}
-static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
- struct flow_action *flow_action,
- struct mlx5e_tc_flow *flow,
- struct netlink_ext_ack *extack)
+static int
+parse_tc_fdb_actions(struct mlx5e_priv *priv,
+ struct flow_action *flow_action,
+ struct mlx5e_tc_flow *flow,
+ struct netlink_ext_ack *extack)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5e_tc_act_parse_state *parse_state;
struct mlx5e_tc_flow_parse_attr *parse_attr;
struct mlx5_flow_attr *attr = flow->attr;
- enum mlx5_flow_namespace_type ns_type;
- const struct flow_action_entry *act;
struct mlx5_esw_flow_attr *esw_attr;
struct pedit_headers_action *hdrs;
- struct mlx5e_tc_act *tc_act;
- int err, i;
+ int err;
err = flow_action_supported(flow_action, extack);
if (err)
@@ -3362,23 +3378,11 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
parse_state = &parse_attr->parse_state;
mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack);
parse_state->ct_priv = get_ct_priv(priv);
- ns_type = mlx5e_get_flow_namespace(flow);
hdrs = parse_state->hdrs;
- flow_action_for_each(i, act, flow_action) {
- tc_act = mlx5e_tc_act_get(act->id, ns_type);
- if (!tc_act) {
- NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action");
- return -EOPNOTSUPP;
- }
-
- if (!tc_act->can_offload(parse_state, act, i))
- return -EOPNOTSUPP;
-
- err = tc_act->parse_action(parse_state, act, priv, attr);
- if (err)
- return err;
- }
+ err = parse_tc_actions(parse_state, flow_action);
+ if (err)
+ return err;
/* Forward to/from internal port can only have 1 dest */
if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) &&
--
2.31.1
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