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-rw-r--r--include/net/dsa.h79
1 files changed, 25 insertions, 54 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 8e24677b1c62..58969b9a090c 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -20,6 +20,7 @@
#include <linux/of.h>
#include <linux/ethtool.h>
#include <net/devlink.h>
+#include <net/switchdev.h>
struct tc_action;
struct phy_device;
@@ -27,13 +28,14 @@ struct fixed_phy_status;
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = 0,
+ DSA_TAG_PROTO_BRCM,
DSA_TAG_PROTO_DSA,
- DSA_TAG_PROTO_TRAILER,
DSA_TAG_PROTO_EDSA,
- DSA_TAG_PROTO_BRCM,
- DSA_TAG_PROTO_QCA,
- DSA_TAG_PROTO_MTK,
+ DSA_TAG_PROTO_KSZ,
DSA_TAG_PROTO_LAN9303,
+ DSA_TAG_PROTO_MTK,
+ DSA_TAG_PROTO_QCA,
+ DSA_TAG_PROTO_TRAILER,
DSA_TAG_LAST, /* MUST BE LAST */
};
@@ -120,27 +122,16 @@ struct dsa_switch_tree {
*/
struct dsa_platform_data *pd;
- /*
- * Reference to network device to use, and which tagging
- * protocol to use.
- */
- struct net_device *master_netdev;
+ /* Copy of tag_ops->rcv for faster access in hot path */
struct sk_buff * (*rcv)(struct sk_buff *skb,
struct net_device *dev,
struct packet_type *pt,
struct net_device *orig_dev);
/*
- * Original copy of the master netdev ethtool_ops
- */
- struct ethtool_ops master_ethtool_ops;
- const struct ethtool_ops *master_orig_ethtool_ops;
-
- /*
- * The switch and port to which the CPU is attached.
+ * The switch port to which the CPU is attached.
*/
- struct dsa_switch *cpu_switch;
- s8 cpu_port;
+ struct dsa_port *cpu_dp;
/*
* Data for the individual switch chips.
@@ -180,12 +171,18 @@ struct dsa_port {
struct dsa_switch *ds;
unsigned int index;
const char *name;
+ struct dsa_port *cpu_dp;
struct net_device *netdev;
struct device_node *dn;
unsigned int ageing_time;
u8 stp_state;
struct net_device *bridge_dev;
struct devlink_port devlink_port;
+ /*
+ * Original copy of the master netdev ethtool_ops
+ */
+ struct ethtool_ops ethtool_ops;
+ const struct ethtool_ops *orig_ethtool_ops;
};
struct dsa_switch {
@@ -224,11 +221,6 @@ struct dsa_switch {
s8 rtable[DSA_MAX_SWITCHES];
/*
- * The lower device this switch uses to talk to the host
- */
- struct net_device *master_netdev;
-
- /*
* Slave mii_bus and devices for the individual ports.
*/
u32 dsa_port_mask;
@@ -251,7 +243,7 @@ struct dsa_switch {
static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
{
- return !!(ds == ds->dst->cpu_switch && p == ds->dst->cpu_port);
+ return !!(ds->cpu_port_mask & (1 << p));
}
static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
@@ -279,28 +271,12 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds)
* Else return the (DSA) port number that connects to the
* switch that is one hop closer to the cpu.
*/
- if (dst->cpu_switch == ds)
- return dst->cpu_port;
+ if (dst->cpu_dp->ds == ds)
+ return dst->cpu_dp->index;
else
- return ds->rtable[dst->cpu_switch->index];
+ return ds->rtable[dst->cpu_dp->ds->index];
}
-struct switchdev_trans;
-struct switchdev_obj;
-struct switchdev_obj_port_fdb;
-struct switchdev_obj_port_mdb;
-struct switchdev_obj_port_vlan;
-
-#define DSA_NOTIFIER_BRIDGE_JOIN 1
-#define DSA_NOTIFIER_BRIDGE_LEAVE 2
-
-/* DSA_NOTIFIER_BRIDGE_* */
-struct dsa_notifier_bridge_info {
- struct net_device *br;
- int sw_index;
- int port;
-};
-
struct dsa_switch_ops {
/*
* Legacy probing.
@@ -410,7 +386,7 @@ struct dsa_switch_ops {
const struct switchdev_obj_port_vlan *vlan);
int (*port_vlan_dump)(struct dsa_switch *ds, int port,
struct switchdev_obj_port_vlan *vlan,
- int (*cb)(struct switchdev_obj *obj));
+ switchdev_obj_dump_cb_t *cb);
/*
* Forwarding database
@@ -425,7 +401,7 @@ struct dsa_switch_ops {
const struct switchdev_obj_port_fdb *fdb);
int (*port_fdb_dump)(struct dsa_switch *ds, int port,
struct switchdev_obj_port_fdb *fdb,
- int (*cb)(struct switchdev_obj *obj));
+ switchdev_obj_dump_cb_t *cb);
/*
* Multicast database
@@ -440,7 +416,7 @@ struct dsa_switch_ops {
const struct switchdev_obj_port_mdb *mdb);
int (*port_mdb_dump)(struct dsa_switch *ds, int port,
struct switchdev_obj_port_mdb *mdb,
- int (*cb)(struct switchdev_obj *obj));
+ switchdev_obj_dump_cb_t *cb);
/*
* RXNFC
@@ -480,23 +456,18 @@ struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev);
struct net_device *dsa_dev_to_net_device(struct device *dev);
-static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
-{
- return dst->rcv != NULL;
-}
-
+/* Keep inline for faster access in hot path */
static inline bool netdev_uses_dsa(struct net_device *dev)
{
#if IS_ENABLED(CONFIG_NET_DSA)
- if (dev->dsa_ptr != NULL)
- return dsa_uses_tagged_protocol(dev->dsa_ptr);
+ return dev->dsa_ptr && dev->dsa_ptr->rcv;
#endif
return false;
}
struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n);
void dsa_unregister_switch(struct dsa_switch *ds);
-int dsa_register_switch(struct dsa_switch *ds, struct device *dev);
+int dsa_register_switch(struct dsa_switch *ds);
#ifdef CONFIG_PM_SLEEP
int dsa_switch_suspend(struct dsa_switch *ds);
int dsa_switch_resume(struct dsa_switch *ds);