Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / if_bridge.h

diff --git a/kernel/include/linux/if_bridge.h b/kernel/include/linux/if_bridge.h
new file mode 100644 (file)
index 0000000..dad8b00
--- /dev/null
+++ b/kernel/include/linux/if_bridge.h
@@ -0,0 +1,77 @@
+/*
+ *     Linux ethernet bridge
+ *
+ *     Authors:
+ *     Lennert Buytenhek               <buytenh@gnu.org>
+ *
+ *     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_IF_BRIDGE_H
+#define _LINUX_IF_BRIDGE_H
+
+
+#include <linux/netdevice.h>
+#include <uapi/linux/if_bridge.h>
+#include <linux/bitops.h>
+
+struct br_ip {
+       union {
+               __be32  ip4;
+#if IS_ENABLED(CONFIG_IPV6)
+               struct in6_addr ip6;
+#endif
+       } u;
+       __be16          proto;
+       __u16           vid;
+};
+
+struct br_ip_list {
+       struct list_head list;
+       struct br_ip addr;
+};
+
+#define BR_HAIRPIN_MODE                BIT(0)
+#define BR_BPDU_GUARD          BIT(1)
+#define BR_ROOT_BLOCK          BIT(2)
+#define BR_MULTICAST_FAST_LEAVE        BIT(3)
+#define BR_ADMIN_COST          BIT(4)
+#define BR_LEARNING            BIT(5)
+#define BR_FLOOD               BIT(6)
+#define BR_AUTO_MASK           (BR_FLOOD | BR_LEARNING)
+#define BR_PROMISC             BIT(7)
+#define BR_PROXYARP            BIT(8)
+#define BR_LEARNING_SYNC       BIT(9)
+#define BR_PROXYARP_WIFI       BIT(10)
+
+extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
+
+typedef int br_should_route_hook_t(struct sk_buff *skb);
+extern br_should_route_hook_t __rcu *br_should_route_hook;
+
+#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
+int br_multicast_list_adjacent(struct net_device *dev,
+                              struct list_head *br_ip_list);
+bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
+bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
+#else
+static inline int br_multicast_list_adjacent(struct net_device *dev,
+                                            struct list_head *br_ip_list)
+{
+       return 0;
+}
+static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
+                                                    int proto)
+{
+       return false;
+}
+static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
+                                                    int proto)
+{
+       return false;
+}
+#endif
+
+#endif