Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index d574ce6..aee86a1 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* include/net/switchdev.h - Switch device API
* 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
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef _LINUX_SWITCHDEV_H_
#define _LINUX_SWITCHDEV_H_
@@ -20,14 +16,7 @@
#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
#define SWITCHDEV_F_DEFER BIT(2)
-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;
};
@@ -43,10 +32,9 @@
enum switchdev_attr_id {
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_PORT_BRIDGE_FLAGS_SUPPORT,
+ SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_MROUTER,
SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
@@ -61,10 +49,8 @@
void *complete_priv;
void (*complete)(struct net_device *dev, int err, void *priv);
union {
- struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
u8 stp_state; /* PORT_STP_STATE */
- unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
- unsigned long brport_flags_support; /* PORT_BRIDGE_FLAGS_SUPPORT */
+ unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */
bool mrouter; /* PORT_MROUTER */
clock_t ageing_time; /* BRIDGE_AGEING_TIME */
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
@@ -95,8 +81,8 @@
u16 vid_end;
};
-#define SWITCHDEV_OBJ_PORT_VLAN(obj) \
- container_of(obj, struct switchdev_obj_port_vlan, obj)
+#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
+ container_of((OBJ), struct switchdev_obj_port_vlan, obj)
/* SWITCHDEV_OBJ_ID_PORT_MDB */
struct switchdev_obj_port_mdb {
@@ -105,57 +91,54 @@
u16 vid;
};
-#define SWITCHDEV_OBJ_PORT_MDB(obj) \
- container_of(obj, struct switchdev_obj_port_mdb, 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);
+#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
+ container_of((OBJ), struct switchdev_obj_port_mdb, obj)
typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
-/**
- * struct switchdev_ops - switchdev operations
- *
- * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
- *
- * @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_del: Delete an object from port (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,
- const struct switchdev_attr *attr,
- struct switchdev_trans *trans);
- int (*switchdev_port_obj_add)(struct net_device *dev,
- const struct switchdev_obj *obj,
- struct switchdev_trans *trans);
- int (*switchdev_port_obj_del)(struct net_device *dev,
- const struct switchdev_obj *obj);
-};
-
enum switchdev_notifier_type {
SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
SWITCHDEV_FDB_DEL_TO_BRIDGE,
SWITCHDEV_FDB_ADD_TO_DEVICE,
SWITCHDEV_FDB_DEL_TO_DEVICE,
SWITCHDEV_FDB_OFFLOADED,
+
+ SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
+ SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
+ SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
+
+ SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
+ SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
+ SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
+ SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
+ SWITCHDEV_VXLAN_FDB_OFFLOADED,
};
struct switchdev_notifier_info {
struct net_device *dev;
+ struct netlink_ext_ack *extack;
};
struct switchdev_notifier_fdb_info {
struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
- bool added_by_user;
+ u8 added_by_user:1,
+ offloaded:1;
+};
+
+struct switchdev_notifier_port_obj_info {
+ struct switchdev_notifier_info info; /* must be first */
+ const struct switchdev_obj *obj;
+ struct switchdev_trans *trans;
+ bool handled;
+};
+
+struct switchdev_notifier_port_attr_info {
+ struct switchdev_notifier_info info; /* must be first */
+ const struct switchdev_attr *attr;
+ struct switchdev_trans *trans;
+ bool handled;
};
static inline struct net_device *
@@ -164,41 +147,64 @@
return info->dev;
}
+static inline struct netlink_ext_ack *
+switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
+{
+ return info->extack;
+}
+
#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,
const struct switchdev_attr *attr);
int switchdev_port_obj_add(struct net_device *dev,
- const struct switchdev_obj *obj);
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack);
int switchdev_port_obj_del(struct net_device *dev,
const struct switchdev_obj *obj);
+
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,
- struct switchdev_notifier_info *info);
+ struct switchdev_notifier_info *info,
+ struct netlink_ext_ack *extack);
+
+int register_switchdev_blocking_notifier(struct notifier_block *nb);
+int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
+int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
+ struct switchdev_notifier_info *info,
+ struct netlink_ext_ack *extack);
+
void switchdev_port_fwd_mark_set(struct net_device *dev,
struct net_device *group_dev,
bool joining);
-bool switchdev_port_same_parent_id(struct net_device *a,
- struct net_device *b);
+int switchdev_handle_port_obj_add(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*add_cb)(struct net_device *dev,
+ const struct switchdev_obj *obj,
+ struct switchdev_trans *trans,
+ struct netlink_ext_ack *extack));
+int switchdev_handle_port_obj_del(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*del_cb)(struct net_device *dev,
+ const struct switchdev_obj *obj));
-#define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))
+int switchdev_handle_port_attr_set(struct net_device *dev,
+ struct switchdev_notifier_port_attr_info *port_attr_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*set_cb)(struct net_device *dev,
+ const struct switchdev_attr *attr,
+ struct switchdev_trans *trans));
#else
static inline void switchdev_deferred_process(void)
{
}
-static inline int switchdev_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static inline int switchdev_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr)
{
@@ -206,7 +212,8 @@
}
static inline int switchdev_port_obj_add(struct net_device *dev,
- const struct switchdev_obj *obj)
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
@@ -229,19 +236,65 @@
static inline int call_switchdev_notifiers(unsigned long val,
struct net_device *dev,
- struct switchdev_notifier_info *info)
+ struct switchdev_notifier_info *info,
+ struct netlink_ext_ack *extack)
{
return NOTIFY_DONE;
}
-static inline bool switchdev_port_same_parent_id(struct net_device *a,
- struct net_device *b)
+static inline int
+register_switchdev_blocking_notifier(struct notifier_block *nb)
{
- return false;
+ return 0;
}
-#define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0)
+static inline int
+unregister_switchdev_blocking_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+static inline int
+call_switchdev_blocking_notifiers(unsigned long val,
+ struct net_device *dev,
+ struct switchdev_notifier_info *info,
+ struct netlink_ext_ack *extack)
+{
+ return NOTIFY_DONE;
+}
+
+static inline int
+switchdev_handle_port_obj_add(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*add_cb)(struct net_device *dev,
+ const struct switchdev_obj *obj,
+ struct switchdev_trans *trans,
+ struct netlink_ext_ack *extack))
+{
+ return 0;
+}
+
+static inline int
+switchdev_handle_port_obj_del(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*del_cb)(struct net_device *dev,
+ const struct switchdev_obj *obj))
+{
+ return 0;
+}
+
+static inline int
+switchdev_handle_port_attr_set(struct net_device *dev,
+ struct switchdev_notifier_port_attr_info *port_attr_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*set_cb)(struct net_device *dev,
+ const struct switchdev_attr *attr,
+ struct switchdev_trans *trans))
+{
+ return 0;
+}
#endif
#endif /* _LINUX_SWITCHDEV_H_ */