net: dsa: Add plumbing for port mirroring

[karo-tx-linux.git] / include / net / dsa.h

diff --git a/include/net/dsa.h b/include/net/dsa.h
index d5d618c3de640d0d75f0445eb609e92eb788c009..2cb77e64d64831796a1d621e71e0f65b826ae316 100644 (file)
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -20,6 +20,8 @@
 #include <linux/phy_fixed.h>
 #include <linux/ethtool.h>
 
+struct tc_action;
+
 enum dsa_tag_protocol {
        DSA_TAG_PROTO_NONE = 0,
        DSA_TAG_PROTO_DSA,
@@ -139,6 +141,28 @@ struct dsa_switch_tree {
        const struct dsa_device_ops *tag_ops;
 };
 
+/* TC matchall action types, only mirroring for now */
+enum dsa_port_mall_action_type {
+       DSA_PORT_MALL_MIRROR,
+};
+
+/* TC mirroring entry */
+struct dsa_mall_mirror_tc_entry {
+       u8 to_local_port;
+       bool ingress;
+};
+
+/* TC matchall entry */
+struct dsa_mall_tc_entry {
+       struct list_head list;
+       unsigned long cookie;
+       enum dsa_port_mall_action_type type;
+       union {
+               struct dsa_mall_mirror_tc_entry mirror;
+       };
+};
+
+
 struct dsa_port {
        struct dsa_switch       *ds;
        unsigned int            index;
@@ -385,6 +409,15 @@ struct dsa_switch_ops {
                             struct ethtool_rxnfc *nfc, u32 *rule_locs);
        int     (*set_rxnfc)(struct dsa_switch *ds, int port,
                             struct ethtool_rxnfc *nfc);
+
+       /*
+        * TC integration
+        */
+       int     (*port_mirror_add)(struct dsa_switch *ds, int port,
+                                  struct dsa_mall_mirror_tc_entry *mirror,
+                                  bool ingress);
+       void    (*port_mirror_del)(struct dsa_switch *ds, int port,
+                                  struct dsa_mall_mirror_tc_entry *mirror);
 };
 
 struct dsa_switch_driver {