net/mlx5: Fix post parse infra to only parse every action once
Caller of mlx5e_tc_act_post_parse() needs it to parse only the subset of actions starting after previous split and ending at the current action. However, that range is not provided as arguments and mlx5e_tc_act_post_parse() uses generic flow_action_for_each() that iterates over all flow actions. Not only this is redundant, it also causes a bug when mlx5e_tc_act->post_parse() callback is not idempotent since it will be called for every split. For example, ct action tc_act_post_parse_ct() callback obtains a reference to mlx5_ct_ft instance and calling it several times during parsing stage will cause reference counter imbalance. Fix the issue by providing a proper action range of the current split subset to mlx5e_tc_act_post_parse() and only calling mlx5e_tc_act->post_parse() for actions inside the subset range. Fixes: 8300f225 ("net/mlx5e: Create new flow attr for multi table actions") Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Reviewed-by: Roi Dayan <roid@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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