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-rw-r--r--include/net/switchdev.h257
1 files changed, 182 insertions, 75 deletions
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index d2e69ee3019a..d5671f118bfc 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -14,154 +14,261 @@
#include <linux/netdevice.h>
#include <linux/notifier.h>
+#define SWITCHDEV_F_NO_RECURSE BIT(0)
+
+enum switchdev_trans {
+ SWITCHDEV_TRANS_NONE,
+ SWITCHDEV_TRANS_PREPARE,
+ SWITCHDEV_TRANS_ABORT,
+ SWITCHDEV_TRANS_COMMIT,
+};
+
+enum switchdev_attr_id {
+ SWITCHDEV_ATTR_UNDEFINED,
+ SWITCHDEV_ATTR_PORT_PARENT_ID,
+ SWITCHDEV_ATTR_PORT_STP_STATE,
+ SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
+};
+
+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 */
+ } u;
+};
+
struct fib_info;
+enum switchdev_obj_id {
+ SWITCHDEV_OBJ_UNDEFINED,
+ SWITCHDEV_OBJ_PORT_VLAN,
+ SWITCHDEV_OBJ_IPV4_FIB,
+ SWITCHDEV_OBJ_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;
+ } fdb;
+ } u;
+};
+
/**
* struct switchdev_ops - switchdev operations
*
- * @swdev_parent_id_get: Called to get an ID of the switch chip this port
- * is part of. If driver implements this, it indicates that it
- * represents a port of a switch chip.
+ * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
+ *
+ * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
*
- * @swdev_port_stp_update: Called to notify switch device port of bridge
- * port STP state change.
+ * @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
*
- * @swdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
+ * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
*
- * @swdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
+ * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
*/
-struct swdev_ops {
- int (*swdev_parent_id_get)(struct net_device *dev,
- struct netdev_phys_item_id *psid);
- int (*swdev_port_stp_update)(struct net_device *dev, u8 state);
- int (*swdev_fib_ipv4_add)(struct net_device *dev, __be32 dst,
- int dst_len, struct fib_info *fi,
- u8 tos, u8 type, u32 nlflags,
- u32 tb_id);
- int (*swdev_fib_ipv4_del)(struct net_device *dev, __be32 dst,
- int dst_len, struct fib_info *fi,
- u8 tos, u8 type, u32 tb_id);
+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);
+ 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);
};
-enum netdev_switch_notifier_type {
- NETDEV_SWITCH_FDB_ADD = 1,
- NETDEV_SWITCH_FDB_DEL,
+enum switchdev_notifier_type {
+ SWITCHDEV_FDB_ADD = 1,
+ SWITCHDEV_FDB_DEL,
};
-struct netdev_switch_notifier_info {
+struct switchdev_notifier_info {
struct net_device *dev;
};
-struct netdev_switch_notifier_fdb_info {
- struct netdev_switch_notifier_info info; /* must be first */
+struct switchdev_notifier_fdb_info {
+ struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
};
static inline struct net_device *
-netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info)
+switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
{
return info->dev;
}
#ifdef CONFIG_NET_SWITCHDEV
-int netdev_switch_parent_id_get(struct net_device *dev,
- struct netdev_phys_item_id *psid);
-int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
-int register_netdev_switch_notifier(struct notifier_block *nb);
-int unregister_netdev_switch_notifier(struct notifier_block *nb);
-int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
- struct netdev_switch_notifier_info *info);
-int netdev_switch_port_bridge_setlink(struct net_device *dev,
- struct nlmsghdr *nlh, u16 flags);
-int netdev_switch_port_bridge_dellink(struct net_device *dev,
- struct nlmsghdr *nlh, u16 flags);
-int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
- struct nlmsghdr *nlh, u16 flags);
-int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
- struct nlmsghdr *nlh, u16 flags);
-int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
- u8 tos, u8 type, u32 nlflags, u32 tb_id);
-int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
- u8 tos, u8 type, u32 tb_id);
-void netdev_switch_fib_ipv4_abort(struct fib_info *fi);
+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);
+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);
+int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+ struct net_device *dev, u32 filter_mask,
+ int nlflags);
+int switchdev_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags);
+int switchdev_port_bridge_dellink(struct net_device *dev,
+ struct nlmsghdr *nlh, u16 flags);
+int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
+ u8 tos, u8 type, u32 nlflags, u32 tb_id);
+int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
+ u8 tos, u8 type, u32 tb_id);
+void switchdev_fib_ipv4_abort(struct fib_info *fi);
+int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev, const unsigned char *addr,
+ u16 vid, u16 nlm_flags);
+int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev, const unsigned char *addr,
+ u16 vid);
+int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
+ struct net_device *dev,
+ struct net_device *filter_dev, int idx);
#else
-static inline int netdev_switch_parent_id_get(struct net_device *dev,
- struct netdev_phys_item_id *psid)
+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,
+ struct switchdev_attr *attr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int switchdev_port_obj_add(struct net_device *dev,
+ struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
-static inline int netdev_switch_port_stp_update(struct net_device *dev,
- u8 state)
+static inline int switchdev_port_obj_del(struct net_device *dev,
+ struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
-static inline int register_netdev_switch_notifier(struct notifier_block *nb)
+static inline int switchdev_port_obj_dump(struct net_device *dev,
+ struct switchdev_obj *obj)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int register_switchdev_notifier(struct notifier_block *nb)
{
return 0;
}
-static inline int unregister_netdev_switch_notifier(struct notifier_block *nb)
+static inline int unregister_switchdev_notifier(struct notifier_block *nb)
{
return 0;
}
-static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
- struct netdev_switch_notifier_info *info)
+static inline int call_switchdev_notifiers(unsigned long val,
+ struct net_device *dev,
+ struct switchdev_notifier_info *info)
{
return NOTIFY_DONE;
}
-static inline int netdev_switch_port_bridge_setlink(struct net_device *dev,
- struct nlmsghdr *nlh,
- u16 flags)
+static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
+ u32 seq, struct net_device *dev,
+ u32 filter_mask, int nlflags)
{
return -EOPNOTSUPP;
}
-static inline int netdev_switch_port_bridge_dellink(struct net_device *dev,
- struct nlmsghdr *nlh,
- u16 flags)
+static inline int switchdev_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh,
+ u16 flags)
{
return -EOPNOTSUPP;
}
-static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
- struct nlmsghdr *nlh,
- u16 flags)
+static inline int switchdev_port_bridge_dellink(struct net_device *dev,
+ struct nlmsghdr *nlh,
+ u16 flags)
{
- return 0;
+ return -EOPNOTSUPP;
}
-static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
- struct nlmsghdr *nlh,
- u16 flags)
+static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
+ struct fib_info *fi,
+ u8 tos, u8 type,
+ u32 nlflags, u32 tb_id)
{
return 0;
}
-static inline int netdev_switch_fib_ipv4_add(u32 dst, int dst_len,
- struct fib_info *fi,
- u8 tos, u8 type,
- u32 nlflags, u32 tb_id)
+static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
+ struct fib_info *fi,
+ u8 tos, u8 type, u32 tb_id)
{
return 0;
}
-static inline int netdev_switch_fib_ipv4_del(u32 dst, int dst_len,
- struct fib_info *fi,
- u8 tos, u8 type, u32 tb_id)
+static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
{
- return 0;
}
-static inline void netdev_switch_fib_ipv4_abort(struct fib_info *fi)
+static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr,
+ u16 vid, u16 nlm_flags)
{
+ return -EOPNOTSUPP;
+}
+
+static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr, u16 vid)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct net_device *dev,
+ struct net_device *filter_dev,
+ int idx)
+{
+ return -EOPNOTSUPP;
}
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.