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-rw-r--r--kernel/include/net/switchdev.h169
1 files changed, 169 insertions, 0 deletions
diff --git a/kernel/include/net/switchdev.h b/kernel/include/net/switchdev.h
new file mode 100644
index 000000000..d2e69ee30
--- /dev/null
+++ b/kernel/include/net/switchdev.h
@@ -0,0 +1,169 @@
+/*
+ * include/net/switchdev.h - Switch device API
+ * Copyright (c) 2014 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_
+
+#include <linux/netdevice.h>
+#include <linux/notifier.h>
+
+struct fib_info;
+
+/**
+ * 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.
+ *
+ * @swdev_port_stp_update: Called to notify switch device port of bridge
+ * port STP state change.
+ *
+ * @swdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
+ *
+ * @swdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
+ */
+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);
+};
+
+enum netdev_switch_notifier_type {
+ NETDEV_SWITCH_FDB_ADD = 1,
+ NETDEV_SWITCH_FDB_DEL,
+};
+
+struct netdev_switch_notifier_info {
+ struct net_device *dev;
+};
+
+struct netdev_switch_notifier_fdb_info {
+ struct netdev_switch_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)
+{
+ 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);
+
+#else
+
+static inline int netdev_switch_parent_id_get(struct net_device *dev,
+ struct netdev_phys_item_id *psid)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int netdev_switch_port_stp_update(struct net_device *dev,
+ u8 state)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int register_netdev_switch_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+
+static inline int unregister_netdev_switch_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)
+{
+ return NOTIFY_DONE;
+}
+
+static inline int netdev_switch_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh,
+ u16 flags)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int netdev_switch_port_bridge_dellink(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)
+{
+ return 0;
+}
+
+static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
+ struct nlmsghdr *nlh,
+ u16 flags)
+{
+ 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)
+{
+ 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)
+{
+ return 0;
+}
+
+static inline void netdev_switch_fib_ipv4_abort(struct fib_info *fi)
+{
+}
+
+#endif
+
+#endif /* _LINUX_SWITCHDEV_H_ */