[linux-2.6-block.git] / include / linux / mroute.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_MROUTE_H
#define __LINUX_MROUTE_H

#include <linux/in.h>
#include <linux/pim.h>
#include <net/fib_rules.h>
#include <net/fib_notifier.h>
#include <uapi/linux/mroute.h>
#include <linux/mroute_base.h>

#ifdef CONFIG_IP_MROUTE
static inline int ip_mroute_opt(int opt)
{
	return opt >= MRT_BASE && opt <= MRT_MAX;
}

int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
int ip_mr_init(void);
bool ipmr_rule_default(const struct fib_rule *rule);
#else
static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
				       char __user *optval, unsigned int optlen)
{
	return -ENOPROTOOPT;
}

static inline int ip_mroute_getsockopt(struct sock *sock, int optname,
				       char __user *optval, int __user *optlen)
{
	return -ENOPROTOOPT;
}

static inline int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
	return -ENOIOCTLCMD;
}

static inline int ip_mr_init(void)
{
	return 0;
}

static inline int ip_mroute_opt(int opt)
{
	return 0;
}

static inline bool ipmr_rule_default(const struct fib_rule *rule)
{
	return true;
}
#endif

#define VIFF_STATIC 0x8000

struct mfc_cache_cmp_arg {
	__be32 mfc_mcastgrp;
	__be32 mfc_origin;
};

/**
 * struct mfc_cache - multicast routing entries
 * @_c: Common multicast routing information; has to be first [for casting]
 * @mfc_mcastgrp: destination multicast group address
 * @mfc_origin: source address
 * @cmparg: used for rhashtable comparisons
 */
struct mfc_cache {
	struct mr_mfc _c;
	union {
		struct {
			__be32 mfc_mcastgrp;
			__be32 mfc_origin;
		};
		struct mfc_cache_cmp_arg cmparg;
	};
};

struct rtmsg;
int ipmr_get_route(struct net *net, struct sk_buff *skb,
		   __be32 saddr, __be32 daddr,
		   struct rtmsg *rtm, u32 portid);
#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef __LINUX_MROUTE_H
	3	#define __LINUX_MROUTE_H
	4
1da177e4	5	#include <linux/in.h>
7c19a3d2	6	#include <linux/pim.h>
478e4c2f	7	#include <net/fib_rules.h>
4d65b948	8	#include <net/fib_notifier.h>
607ca46e	9	#include <uapi/linux/mroute.h>
6853f21f	10	#include <linux/mroute_base.h>
1da177e4	11
6a9fb947 PE	12	#ifdef CONFIG_IP_MROUTE
	13	static inline int ip_mroute_opt(int opt)
	14	{
520191bb	15	return opt >= MRT_BASE && opt <= MRT_MAX;
6a9fb947	16	}
6a9fb947	17
520191bb NA	18	int ip_mroute_setsockopt(struct sock , int, char __user , unsigned int);
	19	int ip_mroute_getsockopt(struct sock , int, char __user , int __user *);
	20	int ipmr_ioctl(struct sock sk, int cmd, void __user arg);
	21	int ipmr_compat_ioctl(struct sock sk, unsigned int cmd, void __user arg);
	22	int ip_mr_init(void);
478e4c2f	23	bool ipmr_rule_default(const struct fib_rule *rule);
e0835f8f	24	#else
520191bb NA	25	static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
520191bb NA	26	char __user *optval, unsigned int optlen)
e0835f8f YH	27	{
	28	return -ENOPROTOOPT;
	29	}
	30
520191bb NA	31	static inline int ip_mroute_getsockopt(struct sock *sock, int optname,
520191bb NA	32	char __user optval, int __user optlen)
e0835f8f YH	33	{
	34	return -ENOPROTOOPT;
	35	}
	36
520191bb	37	static inline int ipmr_ioctl(struct sock sk, int cmd, void __user arg)
e0835f8f YH	38	{
	39	return -ENOIOCTLCMD;
	40	}
	41
	42	static inline int ip_mr_init(void)
	43	{
	44	return 0;
	45	}
520191bb NA	46
	47	static inline int ip_mroute_opt(int opt)
	48	{
	49	return 0;
	50	}
478e4c2f YG	51
	52	static inline bool ipmr_rule_default(const struct fib_rule *rule)
	53	{
	54	return true;
	55	}
e0835f8f	56	#endif
1da177e4	57
1da177e4 LT	58	#define VIFF_STATIC 0x8000
1da177e4 LT	59
8fb472c0 NA	60	struct mfc_cache_cmp_arg {
	61	__be32 mfc_mcastgrp;
	62	__be32 mfc_origin;
	63	};
	64
	65	/**
	66	* struct mfc_cache - multicast routing entries
494fff56	67	* @_c: Common multicast routing information; has to be first [for casting]
8fb472c0 NA	68	* @mfc_mcastgrp: destination multicast group address
	69	* @mfc_origin: source address
	70	* @cmparg: used for rhashtable comparisons
8fb472c0	71	*/
d94d9fee	72	struct mfc_cache {
494fff56	73	struct mr_mfc _c;
8fb472c0 NA	74	union {
	75	struct {
	76	__be32 mfc_mcastgrp;
	77	__be32 mfc_origin;
	78	};
	79	struct mfc_cache_cmp_arg cmparg;
	80	};
1da177e4 LT	81	};
1da177e4 LT	82
1da177e4	83	struct rtmsg;
520191bb NA	84	int ipmr_get_route(struct net net, struct sk_buff skb,
520191bb NA	85	__be32 saddr, __be32 daddr,
9f09eaea	86	struct rtmsg *rtm, u32 portid);
1da177e4	87	#endif