[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>
#include <linux/sockptr.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, sockptr_t, unsigned int);
int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
int ipmr_ioctl(struct sock *sk, int cmd, void *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);
int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
#else
static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
				       sockptr_t optval, unsigned int optlen)
{
	return -ENOPROTOOPT;
}

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

static inline int ipmr_ioctl(struct sock *sk, int cmd, void *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;
}

static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd,
				void __user *arg)
{
	return 1;
}
#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>
01ccb5b4	11	#include <linux/sockptr.h>
1da177e4	12
6a9fb947 PE	13	#ifdef CONFIG_IP_MROUTE
	14	static inline int ip_mroute_opt(int opt)
	15	{
520191bb	16	return opt >= MRT_BASE && opt <= MRT_MAX;
6a9fb947	17	}
6a9fb947	18
01ccb5b4	19	int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
728f064c	20	int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
e1d001fa	21	int ipmr_ioctl(struct sock sk, int cmd, void arg);
520191bb NA	22	int ipmr_compat_ioctl(struct sock sk, unsigned int cmd, void __user arg);
520191bb NA	23	int ip_mr_init(void);
478e4c2f	24	bool ipmr_rule_default(const struct fib_rule *rule);
e1d001fa	25	int ipmr_sk_ioctl(struct sock sk, unsigned int cmd, void __user arg);
e0835f8f	26	#else
520191bb	27	static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
01ccb5b4	28	sockptr_t optval, unsigned int optlen)
e0835f8f YH	29	{
	30	return -ENOPROTOOPT;
	31	}
	32
728f064c MKL	33	static inline int ip_mroute_getsockopt(struct sock *sk, int optname,
728f064c MKL	34	sockptr_t optval, sockptr_t optlen)
e0835f8f YH	35	{
	36	return -ENOPROTOOPT;
	37	}
	38
e1d001fa	39	static inline int ipmr_ioctl(struct sock sk, int cmd, void arg)
e0835f8f YH	40	{
	41	return -ENOIOCTLCMD;
	42	}
	43
	44	static inline int ip_mr_init(void)
	45	{
	46	return 0;
	47	}
520191bb NA	48
	49	static inline int ip_mroute_opt(int opt)
	50	{
	51	return 0;
	52	}
478e4c2f YG	53
	54	static inline bool ipmr_rule_default(const struct fib_rule *rule)
	55	{
	56	return true;
	57	}
e1d001fa BL	58
	59	static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd,
	60	void __user *arg)
	61	{
	62	return 1;
	63	}
e0835f8f	64	#endif
1da177e4	65
1da177e4 LT	66	#define VIFF_STATIC 0x8000
1da177e4 LT	67
8fb472c0 NA	68	struct mfc_cache_cmp_arg {
	69	__be32 mfc_mcastgrp;
	70	__be32 mfc_origin;
	71	};
	72
	73	/**
	74	* struct mfc_cache - multicast routing entries
494fff56	75	* @_c: Common multicast routing information; has to be first [for casting]
8fb472c0 NA	76	* @mfc_mcastgrp: destination multicast group address
	77	* @mfc_origin: source address
	78	* @cmparg: used for rhashtable comparisons
8fb472c0	79	*/
d94d9fee	80	struct mfc_cache {
494fff56	81	struct mr_mfc _c;
8fb472c0 NA	82	union {
	83	struct {
	84	__be32 mfc_mcastgrp;
	85	__be32 mfc_origin;
	86	};
	87	struct mfc_cache_cmp_arg cmparg;
	88	};
1da177e4 LT	89	};
1da177e4 LT	90
1da177e4	91	struct rtmsg;
520191bb NA	92	int ipmr_get_route(struct net net, struct sk_buff skb,
520191bb NA	93	__be32 saddr, __be32 daddr,
9f09eaea	94	struct rtmsg *rtm, u32 portid);
1da177e4	95	#endif