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-rw-r--r--include/net/switchdev.h163
1 files changed, 107 insertions, 56 deletions
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 319baab3b48e..1d22ce9f352e 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -1,6 +1,6 @@
/*
* include/net/switchdev.h - Switch device API
- * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
+ * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -13,70 +13,109 @@
#include <linux/netdevice.h>
#include <linux/notifier.h>
+#include <linux/list.h>
+#include <net/ip_fib.h>
#define SWITCHDEV_F_NO_RECURSE BIT(0)
+#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
+#define SWITCHDEV_F_DEFER BIT(2)
-enum switchdev_trans {
- SWITCHDEV_TRANS_NONE,
- SWITCHDEV_TRANS_PREPARE,
- SWITCHDEV_TRANS_ABORT,
- SWITCHDEV_TRANS_COMMIT,
+struct switchdev_trans_item {
+ struct list_head list;
+ void *data;
+ void (*destructor)(const void *data);
};
+struct switchdev_trans {
+ struct list_head item_list;
+ bool ph_prepare;
+};
+
+static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
+{
+ return trans && trans->ph_prepare;
+}
+
+static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
+{
+ return trans && !trans->ph_prepare;
+}
+
enum switchdev_attr_id {
- SWITCHDEV_ATTR_UNDEFINED,
- SWITCHDEV_ATTR_PORT_PARENT_ID,
- SWITCHDEV_ATTR_PORT_STP_STATE,
- SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
+ SWITCHDEV_ATTR_ID_UNDEFINED,
+ SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
+ SWITCHDEV_ATTR_ID_PORT_STP_STATE,
+ SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
+ SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
};
struct switchdev_attr {
enum switchdev_attr_id id;
- enum switchdev_trans trans;
u32 flags;
union {
struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
u8 stp_state; /* PORT_STP_STATE */
unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
+ u32 ageing_time; /* BRIDGE_AGEING_TIME */
} u;
};
-struct fib_info;
-
enum switchdev_obj_id {
- SWITCHDEV_OBJ_UNDEFINED,
- SWITCHDEV_OBJ_PORT_VLAN,
- SWITCHDEV_OBJ_IPV4_FIB,
- SWITCHDEV_OBJ_PORT_FDB,
+ SWITCHDEV_OBJ_ID_UNDEFINED,
+ SWITCHDEV_OBJ_ID_PORT_VLAN,
+ SWITCHDEV_OBJ_ID_IPV4_FIB,
+ SWITCHDEV_OBJ_ID_PORT_FDB,
};
struct switchdev_obj {
enum switchdev_obj_id id;
- enum switchdev_trans trans;
- int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
- union {
- struct switchdev_obj_vlan { /* PORT_VLAN */
- u16 flags;
- u16 vid_begin;
- u16 vid_end;
- } vlan;
- struct switchdev_obj_ipv4_fib { /* IPV4_FIB */
- u32 dst;
- int dst_len;
- struct fib_info *fi;
- u8 tos;
- u8 type;
- u32 nlflags;
- u32 tb_id;
- } ipv4_fib;
- struct switchdev_obj_fdb { /* PORT_FDB */
- const unsigned char *addr;
- u16 vid;
- u16 ndm_state;
- } fdb;
- } u;
+ u32 flags;
+};
+
+/* SWITCHDEV_OBJ_ID_PORT_VLAN */
+struct switchdev_obj_port_vlan {
+ struct switchdev_obj obj;
+ u16 flags;
+ u16 vid_begin;
+ u16 vid_end;
+};
+
+#define SWITCHDEV_OBJ_PORT_VLAN(obj) \
+ container_of(obj, struct switchdev_obj_port_vlan, obj)
+
+/* SWITCHDEV_OBJ_ID_IPV4_FIB */
+struct switchdev_obj_ipv4_fib {
+ struct switchdev_obj obj;
+ u32 dst;
+ int dst_len;
+ struct fib_info fi;
+ u8 tos;
+ u8 type;
+ u32 nlflags;
+ u32 tb_id;
+};
+
+#define SWITCHDEV_OBJ_IPV4_FIB(obj) \
+ container_of(obj, struct switchdev_obj_ipv4_fib, obj)
+
+/* SWITCHDEV_OBJ_ID_PORT_FDB */
+struct switchdev_obj_port_fdb {
+ struct switchdev_obj obj;
+ unsigned char addr[ETH_ALEN];
+ u16 vid;
+ u16 ndm_state;
};
+#define SWITCHDEV_OBJ_PORT_FDB(obj) \
+ container_of(obj, struct switchdev_obj_port_fdb, obj)
+
+void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
+ void *data, void (*destructor)(void const *),
+ struct switchdev_trans_item *tritem);
+void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
+
+typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
+
/**
* struct switchdev_ops - switchdev operations
*
@@ -84,23 +123,26 @@ struct switchdev_obj {
*
* @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
*
- * @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
+ * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
*
- * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
+ * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
*
- * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
+ * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
*/
struct switchdev_ops {
int (*switchdev_port_attr_get)(struct net_device *dev,
struct switchdev_attr *attr);
int (*switchdev_port_attr_set)(struct net_device *dev,
- struct switchdev_attr *attr);
+ const struct switchdev_attr *attr,
+ struct switchdev_trans *trans);
int (*switchdev_port_obj_add)(struct net_device *dev,
- struct switchdev_obj *obj);
+ const struct switchdev_obj *obj,
+ struct switchdev_trans *trans);
int (*switchdev_port_obj_del)(struct net_device *dev,
- struct switchdev_obj *obj);
+ const struct switchdev_obj *obj);
int (*switchdev_port_obj_dump)(struct net_device *dev,
- struct switchdev_obj *obj);
+ struct switchdev_obj *obj,
+ switchdev_obj_dump_cb_t *cb);
};
enum switchdev_notifier_type {
@@ -126,13 +168,17 @@ switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
#ifdef CONFIG_NET_SWITCHDEV
+void switchdev_deferred_process(void);
int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr);
int switchdev_port_attr_set(struct net_device *dev,
- struct switchdev_attr *attr);
-int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
-int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
-int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj);
+ const struct switchdev_attr *attr);
+int switchdev_port_obj_add(struct net_device *dev,
+ const struct switchdev_obj *obj);
+int switchdev_port_obj_del(struct net_device *dev,
+ const struct switchdev_obj *obj);
+int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj,
+ switchdev_obj_dump_cb_t *cb);
int register_switchdev_notifier(struct notifier_block *nb);
int unregister_switchdev_notifier(struct notifier_block *nb);
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
@@ -164,6 +210,10 @@ void switchdev_port_fwd_mark_set(struct net_device *dev,
#else
+static inline void switchdev_deferred_process(void)
+{
+}
+
static inline int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr)
{
@@ -171,25 +221,26 @@ static inline int switchdev_port_attr_get(struct net_device *dev,
}
static inline int switchdev_port_attr_set(struct net_device *dev,
- struct switchdev_attr *attr)
+ const struct switchdev_attr *attr)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_obj_add(struct net_device *dev,
- struct switchdev_obj *obj)
+ const struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_obj_del(struct net_device *dev,
- struct switchdev_obj *obj)
+ const struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_obj_dump(struct net_device *dev,
- struct switchdev_obj *obj)
+ const struct switchdev_obj *obj,
+ switchdev_obj_dump_cb_t *cb)
{
return -EOPNOTSUPP;
}
@@ -272,7 +323,7 @@ static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
struct net_device *filter_dev,
int idx)
{
- return -EOPNOTSUPP;
+ return idx;
}
static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.