5.15-stable review patch. If anyone has any objections, please let me know.
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From: Roi Dayan roid@nvidia.com
[ Upstream commit d9581e2fa73fadba187b2e62e05306e24e8a1ded ]
Move mod hdr allocation chunk from parse_tc_fdb_actions() and parse_tc_nic_actions() to a shared function.
Signed-off-by: Roi Dayan roid@nvidia.com Reviewed-by: Maor Dickman maord@nvidia.com Reviewed-by: Oz Shlomo ozsh@nvidia.com Signed-off-by: Saeed Mahameed saeedm@nvidia.com Stable-dep-of: 0c101a23ca7e ("net/mlx5e: Fix pedit endianness") Signed-off-by: Sasha Levin sashal@kernel.org --- .../net/ethernet/mellanox/mlx5/core/en_tc.c | 87 +++++++++++-------- 1 file changed, 51 insertions(+), 36 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index d13ffba138934..433602f871bd4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -3502,10 +3502,50 @@ static int validate_goto_chain(struct mlx5e_priv *priv, return 0; }
-static int parse_tc_nic_actions(struct mlx5e_priv *priv, - struct flow_action *flow_action, +static int +actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow, + struct mlx5_flow_attr *attr, + struct pedit_headers_action *hdrs, struct netlink_ext_ack *extack) +{ + struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; + enum mlx5_flow_namespace_type ns_type; + int err; + + if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && + !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) + return 0; + + ns_type = get_flow_name_space(flow); + + err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, + &attr->action, extack); + if (err) + return err; + + /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ + if (parse_attr->mod_hdr_acts.num_actions > 0) + return 0; + + attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; + dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); + + if (ns_type != MLX5_FLOW_NAMESPACE_FDB) + return 0; + + if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || + (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) + attr->esw_attr->split_count = 0; + + return 0; +} + +static int +parse_tc_nic_actions(struct mlx5e_priv *priv, + struct flow_action *flow_action, + struct mlx5e_tc_flow *flow, + struct netlink_ext_ack *extack) { struct mlx5e_tc_flow_parse_attr *parse_attr; struct mlx5_flow_attr *attr = flow->attr; @@ -3617,21 +3657,6 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, } }
- if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || - hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { - err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, - parse_attr, hdrs, &action, extack); - if (err) - return err; - /* in case all pedit actions are skipped, remove the MOD_HDR - * flag. - */ - if (parse_attr->mod_hdr_acts.num_actions == 0) { - action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; - dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); - } - } - attr->action = action;
if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { @@ -3639,6 +3664,10 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, return -EOPNOTSUPP; }
+ err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); + if (err) + return err; + if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) return -EOPNOTSUPP;
@@ -4192,26 +4221,12 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, return err; }
- if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || - hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { - err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, - parse_attr, hdrs, &action, extack); - if (err) - return err; - /* in case all pedit actions are skipped, remove the MOD_HDR - * flag. we might have set split_count either by pedit or - * pop/push. if there is no pop/push either, reset it too. - */ - if (parse_attr->mod_hdr_acts.num_actions == 0) { - action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; - dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); - if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || - (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) - esw_attr->split_count = 0; - } - } - attr->action = action; + + err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); + if (err) + return err; + if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) return -EOPNOTSUPP;