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authorJiri Pirko <jiri@mellanox.com>2020-02-24 08:35:49 +0100
committerDavid S. Miller <davem@davemloft.net>2020-02-24 11:55:07 -0800
commit86272d33973c93a01e4ac2c0781e5ba83f06d305 (patch)
tree56ce972acda5971fdbd4584a81118c4d8ed53cd6 /drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
parent68cc7ecc1b47588357276201d4ccd63f4064219b (diff)
downloadlinux-next-86272d33973c93a01e4ac2c0781e5ba83f06d305.tar.gz
mlxsw: spectrum_flower: Disable mixed bound blocks to contain action drop
Action drop is going to be tracked by two separate traps, one for ingress and one for egress. Prepare for it and disallow the possibility to have drop action in blocks which are bound to both ingress and egress. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
index 3b455c629f6d..b01fdfa22ffb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
@@ -256,6 +256,11 @@ int mlxsw_sp_acl_block_bind(struct mlxsw_sp *mlxsw_sp,
if (WARN_ON(mlxsw_sp_acl_block_lookup(block, mlxsw_sp_port, ingress)))
return -EEXIST;
+ if (ingress && block->ingress_blocker_rule_count) {
+ NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to ingress because it contains unsupported rules");
+ return -EOPNOTSUPP;
+ }
+
if (!ingress && block->egress_blocker_rule_count) {
NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to egress because it contains unsupported rules");
return -EOPNOTSUPP;
@@ -722,6 +727,7 @@ int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
list_add_tail(&rule->list, &mlxsw_sp->acl->rules);
mutex_unlock(&mlxsw_sp->acl->rules_lock);
block->rule_count++;
+ block->ingress_blocker_rule_count += rule->rulei->ingress_bind_blocker;
block->egress_blocker_rule_count += rule->rulei->egress_bind_blocker;
return 0;
@@ -741,6 +747,7 @@ void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_block *block = ruleset->ht_key.block;
block->egress_blocker_rule_count -= rule->rulei->egress_bind_blocker;
+ block->ingress_blocker_rule_count -= rule->rulei->ingress_bind_blocker;
ruleset->ht_key.block->rule_count--;
mutex_lock(&mlxsw_sp->acl->rules_lock);
list_del(&rule->list);