From 918ed7bf76267e43863205e0d61a949c301f367b Mon Sep 17 00:00:00 2001 From: Roi Dayan Date: Thu, 11 Nov 2021 09:09:23 +0200 Subject: [PATCH] net/mlx5e: TC, Split pedit offloads verify from alloc_tc_pedit_action() Split pedit verify part into a new subfunction for better maintainability. Signed-off-by: Roi Dayan Reviewed-by: Oz Shlomo Reviewed-by: Maor Dickman Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 33 ++++++++++++++++--------- 1 file changed, 22 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index e4677f1a8341..5eb5f6ec2f0d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2993,19 +2993,13 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, static const struct pedit_headers zero_masks = {}; -static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, - struct mlx5e_tc_flow_parse_attr *parse_attr, - u32 *action_flags, - struct netlink_ext_ack *extack) +static int verify_offload_pedit_fields(struct mlx5e_priv *priv, + struct mlx5e_tc_flow_parse_attr *parse_attr, + struct netlink_ext_ack *extack) { struct pedit_headers *cmd_masks; - int err; u8 cmd; - err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); - if (err < 0) - goto out_dealloc_parsed_actions; - for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { cmd_masks = &parse_attr->hdrs[cmd].masks; if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { @@ -3013,12 +3007,29 @@ static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 16, 1, cmd_masks, sizeof(zero_masks), true); - err = -EOPNOTSUPP; - goto out_dealloc_parsed_actions; + return -EOPNOTSUPP; } } return 0; +} + +static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, + struct mlx5e_tc_flow_parse_attr *parse_attr, + u32 *action_flags, + struct netlink_ext_ack *extack) +{ + int err; + + err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack); + if (err) + goto out_dealloc_parsed_actions; + + err = verify_offload_pedit_fields(priv, parse_attr, extack); + if (err) + goto out_dealloc_parsed_actions; + + return 0; out_dealloc_parsed_actions: mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); -- 2.11.0