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-rw-r--r--include/net/dsa.h121
1 files changed, 91 insertions, 30 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index b122196d5a1f..4e13e695f025 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -11,15 +11,19 @@
#ifndef __LINUX_NET_DSA_H
#define __LINUX_NET_DSA_H
+#include <linux/if.h>
#include <linux/if_ether.h>
#include <linux/list.h>
+#include <linux/notifier.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/of.h>
-#include <linux/phy.h>
-#include <linux/phy_fixed.h>
#include <linux/ethtool.h>
+struct tc_action;
+struct phy_device;
+struct fixed_phy_status;
+
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = 0,
DSA_TAG_PROTO_DSA,
@@ -42,6 +46,11 @@ struct dsa_chip_data {
struct device *host_dev;
int sw_addr;
+ /*
+ * Reference to network devices
+ */
+ struct device *netdev[DSA_MAX_PORTS];
+
/* set to size of eeprom if supported by the switch */
int eeprom_len;
@@ -90,6 +99,9 @@ struct packet_type;
struct dsa_switch_tree {
struct list_head list;
+ /* Notifier chain for switch-wide events */
+ struct raw_notifier_head nh;
+
/* Tree identifier */
u32 tree;
@@ -124,7 +136,7 @@ struct dsa_switch_tree {
/*
* The switch and port to which the CPU is attached.
*/
- s8 cpu_switch;
+ struct dsa_switch *cpu_switch;
s8 cpu_port;
/*
@@ -139,11 +151,37 @@ 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;
+ const char *name;
struct net_device *netdev;
struct device_node *dn;
unsigned int ageing_time;
u8 stp_state;
+ struct net_device *bridge_dev;
};
struct dsa_switch {
@@ -155,6 +193,9 @@ struct dsa_switch {
struct dsa_switch_tree *dst;
int index;
+ /* Listener for switch fabric events */
+ struct notifier_block nb;
+
/*
* Give the switch driver somewhere to hang its private data
* structure.
@@ -169,7 +210,7 @@ struct dsa_switch {
/*
* The switch operations.
*/
- struct dsa_switch_ops *ops;
+ const struct dsa_switch_ops *ops;
/*
* An array of which element [a] indicates which port on this
@@ -178,14 +219,6 @@ struct dsa_switch {
*/
s8 rtable[DSA_MAX_SWITCHES];
-#ifdef CONFIG_NET_DSA_HWMON
- /*
- * Hardware monitoring information
- */
- char hwmon_name[IFNAMSIZ + 8];
- struct device *hwmon_dev;
-#endif
-
/*
* The lower device this switch uses to talk to the host
*/
@@ -198,13 +231,16 @@ struct dsa_switch {
u32 cpu_port_mask;
u32 enabled_port_mask;
u32 phys_mii_mask;
- struct dsa_port ports[DSA_MAX_PORTS];
struct mii_bus *slave_mii_bus;
+
+ /* Dynamically allocated ports, keep last */
+ size_t num_ports;
+ struct dsa_port ports[];
};
static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
{
- return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
+ return !!(ds == ds->dst->cpu_switch && p == ds->dst->cpu_port);
}
static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
@@ -227,10 +263,10 @@ 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->index)
+ if (dst->cpu_switch == ds)
return dst->cpu_port;
else
- return ds->rtable[dst->cpu_switch];
+ return ds->rtable[dst->cpu_switch->index];
}
struct switchdev_trans;
@@ -239,9 +275,17 @@ struct switchdev_obj_port_fdb;
struct switchdev_obj_port_mdb;
struct switchdev_obj_port_vlan;
-struct dsa_switch_ops {
- struct list_head list;
+#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 {
/*
* Probing and setup.
*/
@@ -309,14 +353,6 @@ struct dsa_switch_ops {
int (*get_eee)(struct dsa_switch *ds, int port,
struct ethtool_eee *e);
-#ifdef CONFIG_NET_DSA_HWMON
- /* Hardware monitoring */
- int (*get_temp)(struct dsa_switch *ds, int *temp);
- int (*get_temp_limit)(struct dsa_switch *ds, int *temp);
- int (*set_temp_limit)(struct dsa_switch *ds, int temp);
- int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm);
-#endif
-
/* EEPROM access */
int (*get_eeprom_len)(struct dsa_switch *ds);
int (*get_eeprom)(struct dsa_switch *ds,
@@ -337,7 +373,8 @@ struct dsa_switch_ops {
int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs);
int (*port_bridge_join)(struct dsa_switch *ds, int port,
struct net_device *bridge);
- void (*port_bridge_leave)(struct dsa_switch *ds, int port);
+ void (*port_bridge_leave)(struct dsa_switch *ds, int port,
+ struct net_device *bridge);
void (*port_stp_state_set)(struct dsa_switch *ds, int port,
u8 state);
void (*port_fast_age)(struct dsa_switch *ds, int port);
@@ -388,19 +425,43 @@ struct dsa_switch_ops {
int (*port_mdb_dump)(struct dsa_switch *ds, int port,
struct switchdev_obj_port_mdb *mdb,
int (*cb)(struct switchdev_obj *obj));
+
+ /*
+ * RXNFC
+ */
+ int (*get_rxnfc)(struct dsa_switch *ds, int port,
+ 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 {
+ struct list_head list;
+ const struct dsa_switch_ops *ops;
};
-void register_switch_driver(struct dsa_switch_ops *type);
-void unregister_switch_driver(struct dsa_switch_ops *type);
+void register_switch_driver(struct dsa_switch_driver *type);
+void unregister_switch_driver(struct dsa_switch_driver *type);
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;
}
+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_node *np);
+int dsa_register_switch(struct dsa_switch *ds, struct device *dev);
#ifdef CONFIG_PM_SLEEP
int dsa_switch_suspend(struct dsa_switch *ds);
int dsa_switch_resume(struct dsa_switch *ds);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.