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/* 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
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