Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index b59b3da..6060189 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -390,23 +390,26 @@
kfree_rcu(opt, rcu);
}
+#if IS_ENABLED(CONFIG_IPV6)
struct ip6_flowlabel *__fl6_sock_lookup(struct sock *sk, __be32 label);
extern struct static_key_false_deferred ipv6_flowlabel_exclusive;
static inline struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk,
__be32 label)
{
- if (static_branch_unlikely(&ipv6_flowlabel_exclusive.key))
+ if (static_branch_unlikely(&ipv6_flowlabel_exclusive.key) &&
+ READ_ONCE(sock_net(sk)->ipv6.flowlabel_has_excl))
return __fl6_sock_lookup(sk, label) ? : ERR_PTR(-ENOENT);
return NULL;
}
+#endif
struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions *opt_space,
struct ip6_flowlabel *fl,
struct ipv6_txoptions *fopt);
void fl6_free_socklist(struct sock *sk);
-int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen);
+int ipv6_flowlabel_opt(struct sock *sk, sockptr_t optval, int optlen);
int ipv6_flowlabel_opt_get(struct sock *sk, struct in6_flowlabel_req *freq,
int flags);
int ip6_flowlabel_init(void);
@@ -696,6 +699,11 @@
cpu_to_be32(0x0000ffff))) == 0UL;
}
+static inline bool ipv6_addr_v4mapped_loopback(const struct in6_addr *a)
+{
+ return ipv6_addr_v4mapped(a) && ipv4_is_loopback(a->s6_addr32[3]);
+}
+
static inline u32 ipv6_portaddr_hash(const struct net *net,
const struct in6_addr *addr6,
unsigned int port)
@@ -903,7 +911,6 @@
}
}
#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)
@@ -1022,6 +1029,12 @@
struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
bool connected);
+struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb,
+ struct net_device *dev,
+ struct net *net, struct socket *sock,
+ struct in6_addr *saddr,
+ const struct ip_tunnel_info *info,
+ u8 protocol, bool use_cache);
struct dst_entry *ip6_blackhole_route(struct net *net,
struct dst_entry *orig_dst);
@@ -1074,14 +1087,10 @@
* socket options (ipv6_sockglue.c)
*/
-int ipv6_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen);
+int ipv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
+ unsigned int optlen);
int ipv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
-int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen);
-int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen);
int __ip6_datagram_connect(struct sock *sk, struct sockaddr *addr,
int addr_len);
@@ -1105,9 +1114,14 @@
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);
+int inet6_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
+int inet6_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
+ int flags);
/*
* reassembly.c
@@ -1121,9 +1135,10 @@
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);
@@ -1161,4 +1176,96 @@
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 */