diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | 171 |
1 files changed, 169 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c index e171513bb32a..fe230acf92a9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c @@ -95,8 +95,9 @@ int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp, if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, KVD_SIZE)) return -EIO; - max_priority = MLXSW_CORE_RES_GET(mlxsw_sp->core, KVD_SIZE); - if (rulei->priority > max_priority) + /* Priority range is 1..cap_kvd_size-1. */ + max_priority = MLXSW_CORE_RES_GET(mlxsw_sp->core, KVD_SIZE) - 1; + if (rulei->priority >= max_priority) return -EINVAL; /* Unlike in TC, in HW, higher number means higher priority. */ @@ -779,6 +780,20 @@ static void mlxsw_sp_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp, } static int +mlxsw_sp_acl_tcam_entry_action_replace(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_tcam_group *group, + struct mlxsw_sp_acl_tcam_entry *entry, + struct mlxsw_sp_acl_rule_info *rulei) +{ + const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; + struct mlxsw_sp_acl_tcam_chunk *chunk = entry->chunk; + struct mlxsw_sp_acl_tcam_region *region = chunk->region; + + return ops->entry_action_replace(mlxsw_sp, region->priv, chunk->priv, + entry->priv, rulei); +} + +static int mlxsw_sp_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_tcam_entry *entry, bool *activity) @@ -848,6 +863,15 @@ 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, @@ -930,6 +954,15 @@ mlxsw_sp_acl_tcam_flower_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv) } static int +mlxsw_sp_acl_tcam_flower_rule_action_replace(struct mlxsw_sp *mlxsw_sp, + void *ruleset_priv, + void *rule_priv, + struct mlxsw_sp_acl_rule_info *rulei) +{ + return -EOPNOTSUPP; +} + +static int mlxsw_sp_acl_tcam_flower_rule_activity_get(struct mlxsw_sp *mlxsw_sp, void *rule_priv, bool *activity) { @@ -949,12 +982,146 @@ static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = { .rule_priv_size = mlxsw_sp_acl_tcam_flower_rule_priv_size, .rule_add = mlxsw_sp_acl_tcam_flower_rule_add, .rule_del = mlxsw_sp_acl_tcam_flower_rule_del, + .rule_action_replace = mlxsw_sp_acl_tcam_flower_rule_action_replace, .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_action_replace(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_action_replace(mlxsw_sp, &ruleset->group, + &rule->entry, rulei); +} + +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_action_replace = mlxsw_sp_acl_tcam_mr_rule_action_replace, + .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 * |