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Message-Id: <20211215053300.130679-10-saeed@kernel.org>
Date: Tue, 14 Dec 2021 21:32:53 -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 09/16] net/mlx5e: Add ct to tc action infra
From: Roi Dayan <roid@...dia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
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/Makefile | 3 +-
.../mellanox/mlx5/core/en/tc/act/act.c | 9 +++-
.../mellanox/mlx5/core/en/tc/act/act.h | 2 +
.../mellanox/mlx5/core/en/tc/act/ct.c | 50 +++++++++++++++++++
.../net/ethernet/mellanox/mlx5/core/en_tc.c | 30 +----------
5 files changed, 64 insertions(+), 30 deletions(-)
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 8712a5ca8f55..5f2258275ff6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -51,7 +51,8 @@ mlx5_core-$(CONFIG_MLX5_CLS_ACT) += en/tc/act/act.o en/tc/act/drop.o en/tc/a
en/tc/act/accept.o en/tc/act/mark.o en/tc/act/goto.o \
en/tc/act/tun.o en/tc/act/csum.o en/tc/act/pedit.o \
en/tc/act/vlan.o en/tc/act/vlan_mangle.o en/tc/act/mpls.o \
- en/tc/act/mirred.o en/tc/act/mirred_nic.o
+ en/tc/act/mirred.o en/tc/act/mirred_nic.o \
+ en/tc/act/ct.o
mlx5_core-$(CONFIG_MLX5_TC_CT) += en/tc_ct.o
mlx5_core-$(CONFIG_MLX5_TC_SAMPLE) += en/tc/sample.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
index 70a362279809..9813a6321a9e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.c
@@ -30,7 +30,7 @@ static struct mlx5e_tc_act *tc_acts_fdb[NUM_FLOW_ACTIONS] = {
NULL, /* FLOW_ACTION_QUEUE, */
NULL, /* FLOW_ACTION_SAMPLE, */
NULL, /* FLOW_ACTION_POLICE, */
- NULL, /* FLOW_ACTION_CT, */
+ &mlx5e_tc_act_ct,
NULL, /* FLOW_ACTION_CT_METADATA, */
&mlx5e_tc_act_mpls_push,
&mlx5e_tc_act_mpls_pop,
@@ -55,6 +55,13 @@ static struct mlx5e_tc_act *tc_acts_nic[NUM_FLOW_ACTIONS] = {
&mlx5e_tc_act_pedit,
&mlx5e_tc_act_csum,
&mlx5e_tc_act_mark,
+ NULL, /* FLOW_ACTION_PTYPE, */
+ NULL, /* FLOW_ACTION_PRIORITY, */
+ NULL, /* FLOW_ACTION_WAKE, */
+ NULL, /* FLOW_ACTION_QUEUE, */
+ NULL, /* FLOW_ACTION_SAMPLE, */
+ NULL, /* FLOW_ACTION_POLICE, */
+ &mlx5e_tc_act_ct,
};
/**
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
index b57f22ca8f96..5b92ffbf4819 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h
@@ -23,6 +23,7 @@ struct mlx5e_tc_act_parse_state {
struct pedit_headers_action hdrs[__PEDIT_CMD_MAX];
int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
int if_count;
+ struct mlx5_tc_ct_priv *ct_priv;
};
struct mlx5e_tc_act {
@@ -51,6 +52,7 @@ extern struct mlx5e_tc_act mlx5e_tc_act_mpls_push;
extern struct mlx5e_tc_act mlx5e_tc_act_mpls_pop;
extern struct mlx5e_tc_act mlx5e_tc_act_mirred;
extern struct mlx5e_tc_act mlx5e_tc_act_mirred_nic;
+extern struct mlx5e_tc_act mlx5e_tc_act_ct;
struct mlx5e_tc_act *
mlx5e_tc_act_get(enum flow_action_id act_id,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c
new file mode 100644
index 000000000000..06ec30cdb269
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include "act.h"
+#include "en/tc_priv.h"
+#include "en/tc_ct.h"
+
+static bool
+tc_act_can_offload_ct(struct mlx5e_tc_act_parse_state *parse_state,
+ const struct flow_action_entry *act,
+ int act_index)
+{
+ struct netlink_ext_ack *extack = parse_state->extack;
+
+ if (flow_flag_test(parse_state->flow, SAMPLE)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Sample action with connection tracking is not supported");
+ return false;
+ }
+
+ return true;
+}
+
+static int
+tc_act_parse_ct(struct mlx5e_tc_act_parse_state *parse_state,
+ const struct flow_action_entry *act,
+ struct mlx5e_priv *priv,
+ struct mlx5_flow_attr *attr)
+{
+ int err;
+
+ err = mlx5_tc_ct_parse_action(parse_state->ct_priv, attr,
+ &attr->parse_attr->mod_hdr_acts,
+ act, parse_state->extack);
+ if (err)
+ return err;
+
+ flow_flag_set(parse_state->flow, CT);
+
+ if (mlx5e_is_eswitch_flow(parse_state->flow))
+ attr->esw_attr->split_count = attr->esw_attr->out_count;
+
+ return 0;
+}
+
+struct mlx5e_tc_act mlx5e_tc_act_ct = {
+ .can_offload = tc_act_can_offload_ct,
+ .parse_action = tc_act_parse_ct,
+};
+
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index d1e803098e0d..03ae519bfa4c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3219,24 +3219,11 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
parse_attr = attr->parse_attr;
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) {
- switch (act->id) {
- case FLOW_ACTION_CT:
- err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr,
- &parse_attr->mod_hdr_acts,
- act, extack);
- if (err)
- return err;
-
- flow_flag_set(flow, CT);
- break;
- default:
- break;
- }
-
tc_act = mlx5e_tc_act_get(act->id, ns_type);
if (!tc_act) {
NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action");
@@ -3377,6 +3364,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
parse_attr = attr->parse_attr;
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;
@@ -3435,20 +3423,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
break;
}
- case FLOW_ACTION_CT:
- if (flow_flag_test(flow, SAMPLE)) {
- NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported");
- return -EOPNOTSUPP;
- }
- err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr,
- &parse_attr->mod_hdr_acts,
- act, extack);
- if (err)
- return err;
-
- flow_flag_set(flow, CT);
- esw_attr->split_count = esw_attr->out_count;
- break;
case FLOW_ACTION_SAMPLE:
if (flow_flag_test(flow, CT)) {
NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported");
--
2.31.1
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