From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Roi Dayan <roid@nvidia.com>,
Oz Shlomo <ozsh@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next v0 13/16] net/mlx5e: Move sample attr allocation to tc_action sample parse op
Date: Tue, 14 Dec 2021 21:32:57 -0800 [thread overview]
Message-ID: <20211215053300.130679-14-saeed@kernel.org> (raw)
In-Reply-To: <20211215053300.130679-1-saeed@kernel.org>
From: Roi Dayan <roid@nvidia.com>
There is no reason to wait with the kmalloc to after parsing all
other actions. There could still be a failure later and before
offloading the rule. So alloc the mem when parsing.
The memory is being released on mlx5e_flow_put() which is called
also on error flow.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/en/tc/act/act.h | 1 -
.../net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c | 7 ++++++-
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 10 ----------
3 files changed, 6 insertions(+), 12 deletions(-)
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 51c9b9177f28..0aa995a9f674 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
@@ -25,7 +25,6 @@ struct mlx5e_tc_act_parse_state {
int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
int if_count;
struct mlx5_tc_ct_priv *ct_priv;
- struct mlx5e_sample_attr sample_attr;
};
struct mlx5e_tc_act {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c
index 0d37fb0cad7c..6699bdf5cf01 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c
@@ -27,7 +27,11 @@ tc_act_parse_sample(struct mlx5e_tc_act_parse_state *parse_state,
struct mlx5e_priv *priv,
struct mlx5_flow_attr *attr)
{
- struct mlx5e_sample_attr *sample_attr = &parse_state->sample_attr;
+ struct mlx5e_sample_attr *sample_attr;
+
+ sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL);
+ if (!sample_attr)
+ return -ENOMEM;
sample_attr->rate = act->sample.rate;
sample_attr->group_num = act->sample.psample_group->group_num;
@@ -35,6 +39,7 @@ tc_act_parse_sample(struct mlx5e_tc_act_parse_state *parse_state,
if (act->sample.truncate)
sample_attr->trunc_size = act->sample.trunc_size;
+ attr->sample_attr = sample_attr;
flow_flag_set(parse_state->flow, SAMPLE);
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index a3f414171ca5..c6c6d20ecd09 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3425,16 +3425,6 @@ parse_tc_fdb_actions(struct mlx5e_priv *priv,
return -EOPNOTSUPP;
}
- /* Allocate sample attribute only when there is a sample action and
- * no errors after parsing.
- */
- if (flow_flag_test(flow, SAMPLE)) {
- attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL);
- if (!attr->sample_attr)
- return -ENOMEM;
- *attr->sample_attr = parse_state->sample_attr;
- }
-
return 0;
}
--
2.31.1
next prev parent reply other threads:[~2021-12-15 5:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-15 5:32 [pull request][net-next v0 00/16] mlx5 updates 2021-12-14 Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 01/16] net/mlx5e: Add tc action infrastructure Saeed Mahameed
2021-12-15 14:50 ` patchwork-bot+netdevbpf
2021-12-15 5:32 ` [net-next v0 02/16] net/mlx5e: Add goto to tc action infra Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 03/16] net/mlx5e: Add tunnel encap/decap " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 04/16] net/mlx5e: Add csum " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 05/16] net/mlx5e: Add pedit " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 06/16] net/mlx5e: Add vlan push/pop/mangle " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 07/16] net/mlx5e: Add mpls push/pop " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 08/16] net/mlx5e: Add mirred/redirect " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 09/16] net/mlx5e: Add ct " Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 10/16] net/mlx5e: Add sample and ptype to tc_action infra Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 11/16] net/mlx5e: Add redirect ingress to tc action infra Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 12/16] net/mlx5e: TC action parsing loop Saeed Mahameed
2021-12-15 5:32 ` Saeed Mahameed [this message]
2021-12-15 5:32 ` [net-next v0 14/16] net/mlx5e: Add post_parse() op to tc action infrastructure Saeed Mahameed
2021-12-15 5:32 ` [net-next v0 15/16] net/mlx5e: Move vlan action chunk into tc action vlan post parse op Saeed Mahameed
2021-12-15 5:33 ` [net-next v0 16/16] net/mlx5e: Move goto action checks into tc_action goto " Saeed Mahameed
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