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Message-Id: <20211102002914.1052888-8-saeed@kernel.org>
Date: Mon, 1 Nov 2021 17:29:14 -0700
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>,
Maor Dickman <maord@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 7/7] net/mlx5e: TC, Remove redundant action stack var
From: Roi Dayan <roid@...dia.com>
Remove the action stack var from parse tc fdb actions
and prase tc nic actions, use the flow attr action var directly.
Signed-off-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Maor Dickman <maord@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/en_tc.c | 81 +++++++++----------
1 file changed, 38 insertions(+), 43 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index aa4da8d1e252..f14d87d103eb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3452,7 +3452,6 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
struct pedit_headers_action hdrs[2] = {};
const struct flow_action_entry *act;
struct mlx5_nic_flow_attr *nic_attr;
- u32 action = 0;
int err, i;
if (!flow_action_has_entries(flow_action)) {
@@ -3473,12 +3472,12 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
flow_action_for_each(i, act, flow_action) {
switch (act->id) {
case FLOW_ACTION_ACCEPT:
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
break;
case FLOW_ACTION_DROP:
- action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
break;
case FLOW_ACTION_MANGLE:
case FLOW_ACTION_ADD:
@@ -3487,19 +3486,19 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
if (err)
return err;
- action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
break;
case FLOW_ACTION_VLAN_MANGLE:
err = add_vlan_rewrite_action(priv,
MLX5_FLOW_NAMESPACE_KERNEL,
act, parse_attr, hdrs,
- &action, extack);
+ &attr->action, extack);
if (err)
return err;
break;
case FLOW_ACTION_CSUM:
- if (csum_offload_supported(priv, action,
+ if (csum_offload_supported(priv, attr->action,
act->csum_flags,
extack))
break;
@@ -3512,8 +3511,8 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
same_hw_devs(priv, netdev_priv(peer_dev))) {
parse_attr->mirred_ifindex[0] = peer_dev->ifindex;
flow_flag_set(flow, HAIRPIN);
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
} else {
NL_SET_ERR_MSG_MOD(extack,
"device is not on same HW, can't offload");
@@ -3533,17 +3532,17 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
}
nic_attr->flow_tag = mark;
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
}
break;
case FLOW_ACTION_GOTO:
- err = validate_goto_chain(priv, flow, act, action,
+ err = validate_goto_chain(priv, flow, act, attr->action,
extack);
if (err)
return err;
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
attr->dest_chain = act->chain_index;
break;
case FLOW_ACTION_CT:
@@ -3560,8 +3559,6 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
}
}
- attr->action = action;
-
if (attr->dest_chain && parse_attr->mirred_ifindex[0]) {
NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported");
return -EOPNOTSUPP;
@@ -3879,7 +3876,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
const struct flow_action_entry *act;
struct mlx5_esw_flow_attr *esw_attr;
bool encap = false, decap = false;
- u32 action = attr->action;
int err, i, if_count = 0;
bool ptype_host = false;
bool mpls_push = false;
@@ -3901,8 +3897,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
flow_action_for_each(i, act, flow_action) {
switch (act->id) {
case FLOW_ACTION_ACCEPT:
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
attr->flags |= MLX5_ESW_ATTR_FLAG_ACCEPT;
break;
case FLOW_ACTION_PTYPE:
@@ -3915,8 +3911,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
ptype_host = true;
break;
case FLOW_ACTION_DROP:
- action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
break;
case FLOW_ACTION_TRAP:
if (!flow_offload_has_one_action(flow_action)) {
@@ -3924,8 +3920,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
"action trap is supported as a sole action only");
return -EOPNOTSUPP;
}
- action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT);
+ attr->action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT);
attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH;
break;
case FLOW_ACTION_MPLS_PUSH:
@@ -3956,7 +3952,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
}
parse_attr->eth.h_proto = act->mpls_pop.proto;
- action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
flow_flag_set(flow, L3_TO_L2_DECAP);
break;
case FLOW_ACTION_MANGLE:
@@ -3967,12 +3963,12 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
return err;
if (!flow_flag_test(flow, L3_TO_L2_DECAP)) {
- action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
esw_attr->split_count = esw_attr->out_count;
}
break;
case FLOW_ACTION_CSUM:
- if (csum_offload_supported(priv, action,
+ if (csum_offload_supported(priv, attr->action,
act->csum_flags, extack))
break;
@@ -4058,8 +4054,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
return -EOPNOTSUPP;
}
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
if (encap) {
parse_attr->mirred_ifindex[esw_attr->out_count] =
out_dev->ifindex;
@@ -4095,14 +4091,14 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
if (is_vlan_dev(out_dev)) {
err = add_vlan_push_action(priv, attr,
&out_dev,
- &action, extack);
+ &attr->action, extack);
if (err)
return err;
}
if (is_vlan_dev(parse_attr->filter_dev)) {
err = add_vlan_pop_action(priv, attr,
- &action, extack);
+ &attr->action, extack);
if (err)
return err;
}
@@ -4173,15 +4169,16 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
case FLOW_ACTION_VLAN_PUSH:
case FLOW_ACTION_VLAN_POP:
if (act->id == FLOW_ACTION_VLAN_PUSH &&
- (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) {
+ (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) {
/* Replace vlan pop+push with vlan modify */
- action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
+ attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
err = add_vlan_rewrite_action(priv,
MLX5_FLOW_NAMESPACE_FDB,
act, parse_attr, hdrs,
- &action, extack);
+ &attr->action, extack);
} else {
- err = parse_tc_vlan_action(priv, act, esw_attr, &action, extack);
+ err = parse_tc_vlan_action(priv, act, esw_attr, &attr->action,
+ extack);
}
if (err)
return err;
@@ -4192,7 +4189,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
err = add_vlan_rewrite_action(priv,
MLX5_FLOW_NAMESPACE_FDB,
act, parse_attr, hdrs,
- &action, extack);
+ &attr->action, extack);
if (err)
return err;
@@ -4202,13 +4199,13 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
decap = true;
break;
case FLOW_ACTION_GOTO:
- err = validate_goto_chain(priv, flow, act, action,
+ err = validate_goto_chain(priv, flow, act, attr->action,
extack);
if (err)
return err;
- action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
attr->dest_chain = act->chain_index;
break;
case FLOW_ACTION_CT:
@@ -4253,19 +4250,17 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true);
if (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
- action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) {
+ attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) {
/* For prio tag mode, replace vlan pop with rewrite vlan prio
* tag rewrite.
*/
- action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
+ attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs,
- &action, extack);
+ &attr->action, extack);
if (err)
return err;
}
- attr->action = action;
-
err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack);
if (err)
return err;
--
2.31.1
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