From 1a29d29394c79648928f4a2b82cf2fafc460dc55 Mon Sep 17 00:00:00 2001
From: Nir Dotan <nird@mellanox.com>
Date: Mon, 10 Dec 2018 07:11:40 +0000
Subject: [PATCH] mlxsw: spectrum_acl: Add multicast router profile operations
Add specific ACL operations needed for programming multicast routing ACL
groups and routes.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
.../net/ethernet/mellanox/mlxsw/spectrum.h | 1 +
.../mellanox/mlxsw/spectrum_acl_tcam.c | 129 ++++++++++++++++++
2 files changed, 130 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 2d8f3692a9498..fa60c74a1659b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -572,6 +572,7 @@ struct mlxsw_sp_acl_ruleset;
/* spectrum_acl.c */
enum mlxsw_sp_acl_profile {
MLXSW_SP_ACL_PROFILE_FLOWER,
+ MLXSW_SP_ACL_PROFILE_MR,
};
struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index e171513bb32a6..015cf9acf4452 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -848,6 +848,15 @@ struct mlxsw_sp_acl_tcam_flower_rule {
struct mlxsw_sp_acl_tcam_entry entry;
};
+struct mlxsw_sp_acl_tcam_mr_ruleset {
+ struct mlxsw_sp_acl_tcam_chunk *chunk;
+ struct mlxsw_sp_acl_tcam_group group;
+};
+
+struct mlxsw_sp_acl_tcam_mr_rule {
+ struct mlxsw_sp_acl_tcam_entry entry;
+};
+
static int
mlxsw_sp_acl_tcam_flower_ruleset_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam,
@@ -952,9 +961,129 @@ static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = {
.rule_activity_get = mlxsw_sp_acl_tcam_flower_rule_activity_get,
};
+static int
+mlxsw_sp_acl_tcam_mr_ruleset_add(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_acl_tcam *tcam,
+ void *ruleset_priv,
+ struct mlxsw_afk_element_usage *tmplt_elusage)
+{
+ struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;
+ int err;
+
+ err = mlxsw_sp_acl_tcam_group_add(mlxsw_sp, tcam, &ruleset->group,
+ mlxsw_sp_acl_tcam_patterns,
+ MLXSW_SP_ACL_TCAM_PATTERNS_COUNT,
+ tmplt_elusage);
+ if (err)
+ return err;
+
+ /* For most of the TCAM clients it would make sense to take a tcam chunk
+ * only when the first rule is written. This is not the case for
+ * multicast router as it is required to bind the multicast router to a
+ * specific ACL Group ID which must exist in HW before multicast router
+ * is initialized.
+ */
+ ruleset->chunk = mlxsw_sp_acl_tcam_chunk_get(mlxsw_sp, &ruleset->group,
+ 1, tmplt_elusage);
+ if (IS_ERR(ruleset->chunk)) {
+ err = PTR_ERR(ruleset->chunk);
+ goto err_chunk_get;
+ }
+
+ return 0;
+
+err_chunk_get:
+ mlxsw_sp_acl_tcam_group_del(mlxsw_sp, &ruleset->group);
+ return err;
+}
+
+static void
+mlxsw_sp_acl_tcam_mr_ruleset_del(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv)
+{
+ struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;
+
+ mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, ruleset->chunk);
+ mlxsw_sp_acl_tcam_group_del(mlxsw_sp, &ruleset->group);
+}
+
+static int
+mlxsw_sp_acl_tcam_mr_ruleset_bind(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
+{
+ /* Binding is done when initializing multicast router */
+ return 0;
+}
+
+static void
+mlxsw_sp_acl_tcam_mr_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
+ void *ruleset_priv,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
+{
+}
+
+static u16
+mlxsw_sp_acl_tcam_mr_ruleset_group_id(void *ruleset_priv)
+{
+ struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;
+
+ return mlxsw_sp_acl_tcam_group_id(&ruleset->group);
+}
+
+static size_t mlxsw_sp_acl_tcam_mr_rule_priv_size(struct mlxsw_sp *mlxsw_sp)
+{
+ return sizeof(struct mlxsw_sp_acl_tcam_mr_rule) +
+ mlxsw_sp_acl_tcam_entry_priv_size(mlxsw_sp);
+}
+
+static int
+mlxsw_sp_acl_tcam_mr_rule_add(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
+ void *rule_priv,
+ struct mlxsw_sp_acl_rule_info *rulei)
+{
+ struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;
+ struct mlxsw_sp_acl_tcam_mr_rule *rule = rule_priv;
+
+ return mlxsw_sp_acl_tcam_entry_add(mlxsw_sp, &ruleset->group,
+ &rule->entry, rulei);
+}
+
+static void
+mlxsw_sp_acl_tcam_mr_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv)
+{
+ struct mlxsw_sp_acl_tcam_mr_rule *rule = rule_priv;
+
+ mlxsw_sp_acl_tcam_entry_del(mlxsw_sp, &rule->entry);
+}
+
+static int
+mlxsw_sp_acl_tcam_mr_rule_activity_get(struct mlxsw_sp *mlxsw_sp,
+ void *rule_priv, bool *activity)
+{
+ struct mlxsw_sp_acl_tcam_mr_rule *rule = rule_priv;
+
+ return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, &rule->entry,
+ activity);
+}
+
+static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_mr_ops = {
+ .ruleset_priv_size = sizeof(struct mlxsw_sp_acl_tcam_mr_ruleset),
+ .ruleset_add = mlxsw_sp_acl_tcam_mr_ruleset_add,
+ .ruleset_del = mlxsw_sp_acl_tcam_mr_ruleset_del,
+ .ruleset_bind = mlxsw_sp_acl_tcam_mr_ruleset_bind,
+ .ruleset_unbind = mlxsw_sp_acl_tcam_mr_ruleset_unbind,
+ .ruleset_group_id = mlxsw_sp_acl_tcam_mr_ruleset_group_id,
+ .rule_priv_size = mlxsw_sp_acl_tcam_mr_rule_priv_size,
+ .rule_add = mlxsw_sp_acl_tcam_mr_rule_add,
+ .rule_del = mlxsw_sp_acl_tcam_mr_rule_del,
+ .rule_activity_get = mlxsw_sp_acl_tcam_mr_rule_activity_get,
+};
+
static const struct mlxsw_sp_acl_profile_ops *
mlxsw_sp_acl_tcam_profile_ops_arr[] = {
[MLXSW_SP_ACL_PROFILE_FLOWER] = &mlxsw_sp_acl_tcam_flower_ops,
+ [MLXSW_SP_ACL_PROFILE_MR] = &mlxsw_sp_acl_tcam_mr_ops,
};
const struct mlxsw_sp_acl_profile_ops *
--
2.30.2