diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 100 |
1 files changed, 97 insertions, 3 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 1bf8065fe871..5e65bf2fd32d 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -908,7 +908,6 @@ static inline int ip6_default_np_autolabel(struct net *net) } } #else -static inline void ip6_set_txhash(struct sock *sk) { } static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb, __be32 flowlabel, bool autolabel, struct flowi6 *fl6) @@ -1116,6 +1115,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); int inet6_getname(struct socket *sock, struct sockaddr *uaddr, int peer); int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +int inet6_compat_ioctl(struct socket *sock, unsigned int cmd, + unsigned long arg); int inet6_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); @@ -1135,9 +1136,10 @@ struct group_filter; int ip6_mc_source(int add, int omode, struct sock *sk, struct group_source_req *pgsr); -int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf); +int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf, + struct sockaddr_storage *list); int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf, - struct group_filter __user *optval, int __user *optlen); + struct sockaddr_storage __user *p); #ifdef CONFIG_PROC_FS int ac6_proc_init(struct net *net); @@ -1175,4 +1177,96 @@ int ipv6_sock_mc_join_ssm(struct sock *sk, int ifindex, const struct in6_addr *addr, unsigned int mode); int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr); + +static inline int ip6_sock_set_v6only(struct sock *sk) +{ + if (inet_sk(sk)->inet_num) + return -EINVAL; + lock_sock(sk); + sk->sk_ipv6only = true; + release_sock(sk); + return 0; +} + +static inline void ip6_sock_set_recverr(struct sock *sk) +{ + lock_sock(sk); + inet6_sk(sk)->recverr = true; + release_sock(sk); +} + +static inline int __ip6_sock_set_addr_preferences(struct sock *sk, int val) +{ + unsigned int pref = 0; + unsigned int prefmask = ~0; + + /* check PUBLIC/TMP/PUBTMP_DEFAULT conflicts */ + switch (val & (IPV6_PREFER_SRC_PUBLIC | + IPV6_PREFER_SRC_TMP | + IPV6_PREFER_SRC_PUBTMP_DEFAULT)) { + case IPV6_PREFER_SRC_PUBLIC: + pref |= IPV6_PREFER_SRC_PUBLIC; + prefmask &= ~(IPV6_PREFER_SRC_PUBLIC | + IPV6_PREFER_SRC_TMP); + break; + case IPV6_PREFER_SRC_TMP: + pref |= IPV6_PREFER_SRC_TMP; + prefmask &= ~(IPV6_PREFER_SRC_PUBLIC | + IPV6_PREFER_SRC_TMP); + break; + case IPV6_PREFER_SRC_PUBTMP_DEFAULT: + prefmask &= ~(IPV6_PREFER_SRC_PUBLIC | + IPV6_PREFER_SRC_TMP); + break; + case 0: + break; + default: + return -EINVAL; + } + + /* check HOME/COA conflicts */ + switch (val & (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA)) { + case IPV6_PREFER_SRC_HOME: + prefmask &= ~IPV6_PREFER_SRC_COA; + break; + case IPV6_PREFER_SRC_COA: + pref |= IPV6_PREFER_SRC_COA; + break; + case 0: + break; + default: + return -EINVAL; + } + + /* check CGA/NONCGA conflicts */ + switch (val & (IPV6_PREFER_SRC_CGA|IPV6_PREFER_SRC_NONCGA)) { + case IPV6_PREFER_SRC_CGA: + case IPV6_PREFER_SRC_NONCGA: + case 0: + break; + default: + return -EINVAL; + } + + inet6_sk(sk)->srcprefs = (inet6_sk(sk)->srcprefs & prefmask) | pref; + return 0; +} + +static inline int ip6_sock_set_addr_preferences(struct sock *sk, bool val) +{ + int ret; + + lock_sock(sk); + ret = __ip6_sock_set_addr_preferences(sk, val); + release_sock(sk); + return ret; +} + +static inline void ip6_sock_set_recvpktinfo(struct sock *sk) +{ + lock_sock(sk); + inet6_sk(sk)->rxopt.bits.rxinfo = true; + release_sock(sk); +} + #endif /* _NET_IPV6_H */ |