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Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h100
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 */