switchdev: add swdev ops

As discussed at netconf, introduce swdev_ops as first step to move switchdev
ops from ndo to swdev.  This will keep switchdev from cluttering up ndo ops
space.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 41 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ddab1a2a07a0..9e8a2a933c68 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1577,6 +1577,9 @@ struct net_device {
         const struct net_device_ops *netdev_ops;
         const struct ethtool_ops *ethtool_ops;
         const struct forwarding_accel_ops *fwd_ops;
+#ifdef CONFIG_NET_SWITCHDEV
+        const struct swdev_ops *swdev_ops;
+#endif
 
         const struct header_ops *header_ops;
 
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 1a9382febcc3..e5de53f92482 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -14,6 +14,44 @@
 #include <linux/netdevice.h>
 #include <linux/notifier.h>
 
+struct fib_info;
+
+/**
+ * struct switchdev_ops - switchdev operations
+ *
+ * int (*swdev_parent_id_get)(struct net_device *dev,
+ *                            struct netdev_phys_item_id *psid);
+ *      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.
+ *
+ * int (*swdev_port_stp_update)(struct net_device *dev, u8 state);
+ *      Called to notify switch device port of bridge port STP
+ *      state change.
+ *
+ * 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);
+ *      Called to add/modify IPv4 route to switch device.
+ *
+ * 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);
+ *      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,