| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __LINUX_MROUTE_H |
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| 3 | #define __LINUX_MROUTE_H |
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| 4 | |
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| 5 | #include <linux/in.h> |
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| 6 | #include <linux/pim.h> |
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| 7 | #include <net/fib_rules.h> |
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| 8 | #include <net/fib_notifier.h> |
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| 9 | #include <uapi/linux/mroute.h> |
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| 10 | #include <linux/mroute_base.h> |
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| 11 | #include <linux/sockptr.h> |
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| 12 | |
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| 13 | #ifdef CONFIG_IP_MROUTE |
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| 14 | static inline int ip_mroute_opt(int opt) |
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| 15 | { |
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| 16 | return opt >= MRT_BASE && opt <= MRT_MAX; |
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| 17 | } |
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| 18 | |
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| 19 | int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int); |
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| 20 | int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t); |
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| 21 | int ipmr_ioctl(struct sock *sk, int cmd, void *arg); |
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| 22 | int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); |
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| 23 | int ip_mr_init(void); |
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| 24 | bool ipmr_rule_default(const struct fib_rule *rule); |
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| 25 | int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); |
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| 26 | #else |
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| 27 | static inline int ip_mroute_setsockopt(struct sock *sock, int optname, |
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| 28 | sockptr_t optval, unsigned int optlen) |
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| 29 | { |
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| 30 | return -ENOPROTOOPT; |
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| 31 | } |
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| 32 | |
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| 33 | static inline int ip_mroute_getsockopt(struct sock *sk, int optname, |
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| 34 | sockptr_t optval, sockptr_t optlen) |
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| 35 | { |
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| 36 | return -ENOPROTOOPT; |
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| 37 | } |
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| 38 | |
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| 39 | static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg) |
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| 40 | { |
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| 41 | return -ENOIOCTLCMD; |
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| 42 | } |
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| 43 | |
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| 44 | static inline int ip_mr_init(void) |
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| 45 | { |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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| 49 | static inline int ip_mroute_opt(int opt) |
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| 50 | { |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | static inline bool ipmr_rule_default(const struct fib_rule *rule) |
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| 55 | { |
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| 56 | return true; |
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| 57 | } |
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| 58 | |
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| 59 | static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, |
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| 60 | void __user *arg) |
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| 61 | { |
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| 62 | return 1; |
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| 63 | } |
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| 64 | #endif |
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| 65 | |
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| 66 | #define VIFF_STATIC 0x8000 |
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| 67 | |
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| 68 | struct mfc_cache_cmp_arg { |
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| 69 | __be32 mfc_mcastgrp; |
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| 70 | __be32 mfc_origin; |
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| 71 | }; |
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| 72 | |
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| 73 | /** |
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| 74 | * struct mfc_cache - multicast routing entries |
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| 75 | * @_c: Common multicast routing information; has to be first [for casting] |
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| 76 | * @mfc_mcastgrp: destination multicast group address |
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| 77 | * @mfc_origin: source address |
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| 78 | * @cmparg: used for rhashtable comparisons |
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| 79 | */ |
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| 80 | struct mfc_cache { |
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| 81 | struct mr_mfc _c; |
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| 82 | union { |
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| 83 | struct { |
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| 84 | __be32 mfc_mcastgrp; |
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| 85 | __be32 mfc_origin; |
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| 86 | }; |
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| 87 | struct mfc_cache_cmp_arg cmparg; |
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| 88 | }; |
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| 89 | }; |
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| 90 | |
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| 91 | struct rtmsg; |
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| 92 | int ipmr_get_route(struct net *net, struct sk_buff *skb, |
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| 93 | __be32 saddr, __be32 daddr, |
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| 94 | struct rtmsg *rtm, u32 portid); |
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| 95 | #endif |
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| 96 | |
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