Allow only actions that are currently supported.

A check for each action in the modify-header list was added to
verify that is a know action, otherwise the modify-header is
failed.

Signed-off-by: Erez Shitrit <ere...@nvidia.com>
Reviewed-by: Alex Vesker <va...@nvidia.com>
Acked-by: Matan Azrad <ma...@nvidia.com>
---
 drivers/common/mlx5/mlx5_prm.h        |  1 +
 drivers/net/mlx5/hws/mlx5dr_action.c  |  6 ++++++
 drivers/net/mlx5/hws/mlx5dr_pat_arg.c | 16 ++++++++++++++++
 drivers/net/mlx5/hws/mlx5dr_pat_arg.h |  2 ++
 4 files changed, 25 insertions(+)

diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 4b0a56f4e5..0b6dc43752 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -715,6 +715,7 @@ enum {
        MLX5_MODIFICATION_TYPE_REMOVE = 0x5,
        MLX5_MODIFICATION_TYPE_NOP = 0x6,
        MLX5_MODIFICATION_TYPE_REMOVE_WORDS = 0x7,
+       MLX5_MODIFICATION_TYPE_MAX,
 };
 
 /* The field of packet to be modified. */
diff --git a/drivers/net/mlx5/hws/mlx5dr_action.c 
b/drivers/net/mlx5/hws/mlx5dr_action.c
index 77cf1f5132..2d93be717f 100644
--- a/drivers/net/mlx5/hws/mlx5dr_action.c
+++ b/drivers/net/mlx5/hws/mlx5dr_action.c
@@ -1603,6 +1603,12 @@ mlx5dr_action_create_modify_header(struct mlx5dr_context 
*ctx,
                goto free_action;
        }
 
+       if (!mlx5dr_pat_arg_verify_actions(pattern, pattern_sz / 
MLX5DR_MODIFY_ACTION_SIZE)) {
+               DR_LOG(ERR, "One of the actions is not supported\n");
+               rte_errno = EINVAL;
+               goto free_action;
+       }
+
        if (pattern_sz / MLX5DR_MODIFY_ACTION_SIZE == 1) {
                /* Optimize single modiy action to be used inline */
                action->modify_header.single_action = pattern[0];
diff --git a/drivers/net/mlx5/hws/mlx5dr_pat_arg.c 
b/drivers/net/mlx5/hws/mlx5dr_pat_arg.c
index 6ed04dac6d..830bc08678 100644
--- a/drivers/net/mlx5/hws/mlx5dr_pat_arg.c
+++ b/drivers/net/mlx5/hws/mlx5dr_pat_arg.c
@@ -441,6 +441,22 @@ mlx5dr_arg_create_modify_header_arg(struct mlx5dr_context 
*ctx,
        return 0;
 }
 
+bool mlx5dr_pat_arg_verify_actions(__be64 pattern[], uint16_t num_of_actions)
+{
+       int i;
+
+       for (i = 0; i < num_of_actions; i++) {
+               u8 action_id =
+                       MLX5_GET(set_action_in, &pattern[i], action_type);
+               if (action_id >= MLX5_MODIFICATION_TYPE_MAX) {
+                       DR_LOG(ERR, "Invalid action %u\n", action_id);
+                       return false;
+               }
+       }
+
+       return true;
+}
+
 int mlx5dr_pat_arg_create_modify_header(struct mlx5dr_context *ctx,
                                        struct mlx5dr_action *action,
                                        size_t pattern_sz,
diff --git a/drivers/net/mlx5/hws/mlx5dr_pat_arg.h 
b/drivers/net/mlx5/hws/mlx5dr_pat_arg.h
index 92db6d6aee..ec467dbb4b 100644
--- a/drivers/net/mlx5/hws/mlx5dr_pat_arg.h
+++ b/drivers/net/mlx5/hws/mlx5dr_pat_arg.h
@@ -53,6 +53,8 @@ int mlx5dr_pat_init_pattern_cache(struct mlx5dr_pattern_cache 
**cache);
 
 void mlx5dr_pat_uninit_pattern_cache(struct mlx5dr_pattern_cache *cache);
 
+bool mlx5dr_pat_arg_verify_actions(__be64 pattern[], uint16_t num_of_actions);
+
 int mlx5dr_pat_arg_create_modify_header(struct mlx5dr_context *ctx,
                                        struct mlx5dr_action *action,
                                        size_t pattern_sz,
-- 
2.18.2

Reply via email to