1 files changed, 140 insertions, 0 deletions
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
new file mode 100644
index 000000000..63ef5191c
--- /dev/null
+++ b/include/linux/mroute6.h
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_MROUTE6_H
+#define __LINUX_MROUTE6_H
+
+
+#include <linux/pim.h>
+#include <linux/skbuff.h>	/* for struct sk_buff_head */
+#include <net/net_namespace.h>
+#include <uapi/linux/mroute6.h>
+#include <linux/mroute_base.h>
+#include <linux/sockptr.h>
+#include <net/fib_rules.h>
+
+#ifdef CONFIG_IPV6_MROUTE
+static inline int ip6_mroute_opt(int opt)
+{
+	return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
+}
+#else
+static inline int ip6_mroute_opt(int opt)
+{
+	return 0;
+}
+#endif
+
+struct sock;
+
+#ifdef CONFIG_IPV6_MROUTE
+extern int ip6_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
+extern int ip6_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
+extern int ip6_mr_input(struct sk_buff *skb);
+extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
+extern int ip6_mr_init(void);
+extern void ip6_mr_cleanup(void);
+int ip6mr_ioctl(struct sock *sk, int cmd, void *arg);
+#else
+static inline int ip6_mroute_setsockopt(struct sock *sock, int optname,
+		sockptr_t optval, unsigned int optlen)
+{
+	return -ENOPROTOOPT;
+}
+
+static inline
+int ip6_mroute_getsockopt(struct sock *sock,
+			  int optname, sockptr_t optval, sockptr_t optlen)
+{
+	return -ENOPROTOOPT;
+}
+
+static inline
+int ip6mr_ioctl(struct sock *sk, int cmd, void *arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+static inline int ip6_mr_init(void)
+{
+	return 0;
+}
+
+static inline void ip6_mr_cleanup(void)
+{
+	return;
+}
+#endif
+
+#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
+bool ip6mr_rule_default(const struct fib_rule *rule);
+#else
+static inline bool ip6mr_rule_default(const struct fib_rule *rule)
+{
+	return true;
+}
+#endif
+
+#define VIFF_STATIC 0x8000
+
+struct mfc6_cache_cmp_arg {
+	struct in6_addr mf6c_mcastgrp;
+	struct in6_addr mf6c_origin;
+};
+
+struct mfc6_cache {
+	struct mr_mfc _c;
+	union {
+		struct {
+			struct in6_addr mf6c_mcastgrp;
+			struct in6_addr mf6c_origin;
+		};
+		struct mfc6_cache_cmp_arg cmparg;
+	};
+};
+
+#define MFC_ASSERT_THRESH (3*HZ)		/* Maximal freq. of asserts */
+
+struct rtmsg;
+extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
+			   struct rtmsg *rtm, u32 portid);
+
+#ifdef CONFIG_IPV6_MROUTE
+bool mroute6_is_socket(struct net *net, struct sk_buff *skb);
+extern int ip6mr_sk_done(struct sock *sk);
+static inline int ip6mr_sk_ioctl(struct sock *sk, unsigned int cmd,
+				 void __user *arg)
+{
+	switch (cmd) {
+	/* These userspace buffers will be consumed by ip6mr_ioctl() */
+	case SIOCGETMIFCNT_IN6: {
+		struct sioc_mif_req6 buffer;
+
+		return sock_ioctl_inout(sk, cmd, arg, &buffer,
+					sizeof(buffer));
+		}
+	case SIOCGETSGCNT_IN6: {
+		struct sioc_sg_req6 buffer;
+
+		return sock_ioctl_inout(sk, cmd, arg, &buffer,
+					sizeof(buffer));
+		}
+	}
+
+	return 1;
+}
+#else
+static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb)
+{
+	return false;
+}
+static inline int ip6mr_sk_done(struct sock *sk)
+{
+	return 0;
+}
+
+static inline int ip6mr_sk_ioctl(struct sock *sk, unsigned int cmd,
+				 void __user *arg)
+{
+	return 1;
+}
+#endif
+#endif