From: Jiri Pirko <jiri@mellanox.com>
Date: Wed, 23 Aug 2017 10:08:20 +0200
Subject: mlxsw: spectrum_acl: Allow to get group_id value for a ruleset
Patch-mainline: v4.14-rc1
Git-commit: 0ade3b6457b5535548c2bdad44b5bde6ebd1b7e2
References: bsc#1112374

For goto_chain action we need to know group_id of a ruleset to jump to.
Provide infrastructure in order to get it.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.h          |    2 ++
 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c      |    7 +++++++
 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c |   15 +++++++++++++++
 3 files changed, 24 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -417,6 +417,7 @@ struct mlxsw_sp_acl_profile_ops {
 	int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
 			    struct net_device *dev, bool ingress);
 	void (*ruleset_unbind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
+	u16 (*ruleset_group_id)(void *ruleset_priv);
 	size_t rule_priv_size;
 	int (*rule_add)(struct mlxsw_sp *mlxsw_sp,
 			void *ruleset_priv, void *rule_priv,
@@ -445,6 +446,7 @@ mlxsw_sp_acl_ruleset_get(struct mlxsw_sp
 			 enum mlxsw_sp_acl_profile profile);
 void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
 			      struct mlxsw_sp_acl_ruleset *ruleset);
+u16 mlxsw_sp_acl_ruleset_group_id(struct mlxsw_sp_acl_ruleset *ruleset);
 
 struct mlxsw_sp_acl_rule_info *
 mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl);
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
@@ -267,6 +267,13 @@ void mlxsw_sp_acl_ruleset_put(struct mlx
 	mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset);
 }
 
+u16 mlxsw_sp_acl_ruleset_group_id(struct mlxsw_sp_acl_ruleset *ruleset)
+{
+	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
+
+	return ops->ruleset_group_id(ruleset->priv);
+}
+
 static int
 mlxsw_sp_acl_rulei_counter_alloc(struct mlxsw_sp *mlxsw_sp,
 				 struct mlxsw_sp_acl_rule_info *rulei)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -295,6 +295,12 @@ mlxsw_sp_acl_tcam_group_unbind(struct ml
 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbt), ppbt_pl);
 }
 
+static u16
+mlxsw_sp_acl_tcam_group_id(struct mlxsw_sp_acl_tcam_group *group)
+{
+	return group->id;
+}
+
 static unsigned int
 mlxsw_sp_acl_tcam_region_prio(struct mlxsw_sp_acl_tcam_region *region)
 {
@@ -1063,6 +1069,14 @@ mlxsw_sp_acl_tcam_flower_ruleset_unbind(
 	mlxsw_sp_acl_tcam_group_unbind(mlxsw_sp, &ruleset->group);
 }
 
+static u16
+mlxsw_sp_acl_tcam_flower_ruleset_group_id(void *ruleset_priv)
+{
+	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
+
+	return mlxsw_sp_acl_tcam_group_id(&ruleset->group);
+}
+
 static int
 mlxsw_sp_acl_tcam_flower_rule_add(struct mlxsw_sp *mlxsw_sp,
 				  void *ruleset_priv, void *rule_priv,
@@ -1099,6 +1113,7 @@ static const struct mlxsw_sp_acl_profile
 	.ruleset_del		= mlxsw_sp_acl_tcam_flower_ruleset_del,
 	.ruleset_bind		= mlxsw_sp_acl_tcam_flower_ruleset_bind,
 	.ruleset_unbind		= mlxsw_sp_acl_tcam_flower_ruleset_unbind,
+	.ruleset_group_id	= mlxsw_sp_acl_tcam_flower_ruleset_group_id,
 	.rule_priv_size		= sizeof(struct mlxsw_sp_acl_tcam_flower_rule),
 	.rule_add		= mlxsw_sp_acl_tcam_flower_rule_add,
 	.rule_del		= mlxsw_sp_acl_tcam_flower_rule_del,