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-rw-r--r--net/ipv6/addrconf.c38
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/ip6_tunnel.c6
-rw-r--r--net/ipv6/mcast.c60
-rw-r--r--net/ipv6/ndisc.c1
-rw-r--r--net/ipv6/ping.c3
-rw-r--r--net/ipv6/raw.c10
-rw-r--r--net/ipv6/tcpv6_offload.c4
-rw-r--r--net/ipv6/udp.c10
-rw-r--r--net/ipv6/udp_impl.h7
10 files changed, 98 insertions, 43 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index b6030025f411..88d2cf0cae52 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2464,6 +2464,23 @@ err_exit:
return err;
}
+static int ipv6_mc_config(struct sock *sk, bool join,
+ const struct in6_addr *addr, int ifindex)
+{
+ int ret;
+
+ ASSERT_RTNL();
+
+ lock_sock(sk);
+ if (join)
+ ret = __ipv6_sock_mc_join(sk, ifindex, addr);
+ else
+ ret = __ipv6_sock_mc_drop(sk, ifindex, addr);
+ release_sock(sk);
+
+ return ret;
+}
+
/*
* Manual configuration of address on an interface
*/
@@ -2476,10 +2493,10 @@ static int inet6_addr_add(struct net *net, int ifindex,
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
+ unsigned long timeout;
+ clock_t expires;
int scope;
u32 flags;
- clock_t expires;
- unsigned long timeout;
ASSERT_RTNL();
@@ -2501,6 +2518,14 @@ static int inet6_addr_add(struct net *net, int ifindex,
if (IS_ERR(idev))
return PTR_ERR(idev);
+ if (ifa_flags & IFA_F_MCAUTOJOIN) {
+ int ret = ipv6_mc_config(net->ipv6.mc_autojoin_sk,
+ true, pfx, ifindex);
+
+ if (ret < 0)
+ return ret;
+ }
+
scope = ipv6_addr_scope(pfx);
timeout = addrconf_timeout_fixup(valid_lft, HZ);
@@ -2542,6 +2567,9 @@ static int inet6_addr_add(struct net *net, int ifindex,
in6_ifa_put(ifp);
addrconf_verify_rtnl();
return 0;
+ } else if (ifa_flags & IFA_F_MCAUTOJOIN) {
+ ipv6_mc_config(net->ipv6.mc_autojoin_sk,
+ false, pfx, ifindex);
}
return PTR_ERR(ifp);
@@ -2578,6 +2606,10 @@ static int inet6_addr_del(struct net *net, int ifindex, u32 ifa_flags,
jiffies);
ipv6_del_addr(ifp);
addrconf_verify_rtnl();
+ if (ipv6_addr_is_multicast(pfx)) {
+ ipv6_mc_config(net->ipv6.mc_autojoin_sk,
+ false, pfx, dev->ifindex);
+ }
return 0;
}
}
@@ -3945,7 +3977,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
/* We ignore other flags so far. */
ifa_flags &= IFA_F_NODAD | IFA_F_HOMEADDRESS | IFA_F_MANAGETEMPADDR |
- IFA_F_NOPREFIXROUTE;
+ IFA_F_NOPREFIXROUTE | IFA_F_MCAUTOJOIN;
ifa = ipv6_get_ifaddr(net, pfx, dev, 1);
if (ifa == NULL) {
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index e8c4400f23e9..6bafcc2c79e3 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -824,7 +824,7 @@ static int __init inet6_init(void)
struct list_head *r;
int err = 0;
- BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb));
+ sock_skb_cb_check_size(sizeof(struct inet6_skb_parm));
/* Register the socket-side information for inet6_create. */
for (r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 266a264ec212..88300d42fc95 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -64,12 +64,6 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS_RTNL_LINK("ip6tnl");
MODULE_ALIAS_NETDEV("ip6tnl0");
-#ifdef IP6_TNL_DEBUG
-#define IP6_TNL_TRACE(x...) pr_debug("%s:" x "\n", __func__)
-#else
-#define IP6_TNL_TRACE(x...) do {;} while(0)
-#endif
-
#define HASH_SIZE_SHIFT 5
#define HASH_SIZE (1 << HASH_SIZE_SHIFT)
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 5ce107c8aab3..1dd1fedff9f4 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -132,7 +132,7 @@ static int unsolicited_report_interval(struct inet6_dev *idev)
return iv > 0 ? iv : 1;
}
-int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
+int __ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct net_device *dev = NULL;
struct ipv6_mc_socklist *mc_lst;
@@ -140,6 +140,8 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
struct net *net = sock_net(sk);
int err;
+ ASSERT_RTNL();
+
if (!ipv6_addr_is_multicast(addr))
return -EINVAL;
@@ -161,7 +163,6 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
mc_lst->next = NULL;
mc_lst->addr = *addr;
- rtnl_lock();
if (ifindex == 0) {
struct rt6_info *rt;
rt = rt6_lookup(net, addr, NULL, 0, 0);
@@ -173,7 +174,6 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
dev = __dev_get_by_index(net, ifindex);
if (dev == NULL) {
- rtnl_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return -ENODEV;
}
@@ -190,7 +190,6 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
err = ipv6_dev_mc_inc(dev, addr);
if (err) {
- rtnl_unlock();
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
return err;
}
@@ -198,25 +197,37 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
mc_lst->next = np->ipv6_mc_list;
rcu_assign_pointer(np->ipv6_mc_list, mc_lst);
+ return 0;
+}
+EXPORT_SYMBOL(__ipv6_sock_mc_join);
+
+int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
+{
+ int ret;
+
+ rtnl_lock();
+ ret = __ipv6_sock_mc_join(sk, ifindex, addr);
rtnl_unlock();
- return 0;
+ return ret;
}
+EXPORT_SYMBOL(ipv6_sock_mc_join);
/*
* socket leave on multicast group
*/
-int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
+int __ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst;
struct ipv6_mc_socklist __rcu **lnk;
struct net *net = sock_net(sk);
+ ASSERT_RTNL();
+
if (!ipv6_addr_is_multicast(addr))
return -EINVAL;
- rtnl_lock();
for (lnk = &np->ipv6_mc_list;
(mc_lst = rtnl_dereference(*lnk)) != NULL;
lnk = &mc_lst->next) {
@@ -235,17 +246,28 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
__ipv6_dev_mc_dec(idev, &mc_lst->addr);
} else
(void) ip6_mc_leave_src(sk, mc_lst, NULL);
- rtnl_unlock();
atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);
kfree_rcu(mc_lst, rcu);
return 0;
}
}
- rtnl_unlock();
return -EADDRNOTAVAIL;
}
+EXPORT_SYMBOL(__ipv6_sock_mc_drop);
+
+int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
+{
+ int ret;
+
+ rtnl_lock();
+ ret = __ipv6_sock_mc_drop(sk, ifindex, addr);
+ rtnl_unlock();
+
+ return ret;
+}
+EXPORT_SYMBOL(ipv6_sock_mc_drop);
/* called with rcu_read_lock() */
static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
@@ -2907,20 +2929,32 @@ static int __net_init igmp6_net_init(struct net *net)
inet6_sk(net->ipv6.igmp_sk)->hop_limit = 1;
+ err = inet_ctl_sock_create(&net->ipv6.mc_autojoin_sk, PF_INET6,
+ SOCK_RAW, IPPROTO_ICMPV6, net);
+ if (err < 0) {
+ pr_err("Failed to initialize the IGMP6 autojoin socket (err %d)\n",
+ err);
+ goto out_sock_create;
+ }
+
err = igmp6_proc_init(net);
if (err)
- goto out_sock_create;
-out:
- return err;
+ goto out_sock_create_autojoin;
+ return 0;
+
+out_sock_create_autojoin:
+ inet_ctl_sock_destroy(net->ipv6.mc_autojoin_sk);
out_sock_create:
inet_ctl_sock_destroy(net->ipv6.igmp_sk);
- goto out;
+out:
+ return err;
}
static void __net_exit igmp6_net_exit(struct net *net)
{
inet_ctl_sock_destroy(net->ipv6.igmp_sk);
+ inet_ctl_sock_destroy(net->ipv6.mc_autojoin_sk);
igmp6_proc_exit(net);
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 471ed24aabae..e363bbc2420d 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -117,6 +117,7 @@ static const struct neigh_ops ndisc_direct_ops = {
struct neigh_table nd_tbl = {
.family = AF_INET6,
.key_len = sizeof(struct in6_addr),
+ .protocol = cpu_to_be16(ETH_P_IPV6),
.hash = ndisc_hash,
.constructor = ndisc_constructor,
.pconstructor = pndisc_constructor,
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index bd46f736f61d..fee25c0ed1f5 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -77,8 +77,7 @@ static int dummy_ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
return 0;
}
-int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
- size_t len)
+int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index dae7f1a1e464..a5287b3582a4 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -32,7 +32,7 @@
#include <linux/netfilter_ipv6.h>
#include <linux/skbuff.h>
#include <linux/compat.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/ioctls.h>
#include <net/net_namespace.h>
@@ -456,9 +456,8 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
* we return it, otherwise we block.
*/
-static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len,
- int noblock, int flags, int *addr_len)
+static int rawv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
+ int noblock, int flags, int *addr_len)
{
struct ipv6_pinfo *np = inet6_sk(sk);
DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
@@ -730,8 +729,7 @@ static int raw6_getfrag(void *from, char *to, int offset, int len, int odd,
return ip_generic_getfrag(rfv->msg, to, offset, len, odd, skb);
}
-static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len)
+static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{
struct ipv6_txoptions opt_space;
DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index c1ab77105b4c..d883c9204c01 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -41,8 +41,8 @@ static int tcp6_gro_complete(struct sk_buff *skb, int thoff)
return tcp_gro_complete(skb);
}
-struct sk_buff *tcp6_gso_segment(struct sk_buff *skb,
- netdev_features_t features)
+static struct sk_buff *tcp6_gso_segment(struct sk_buff *skb,
+ netdev_features_t features)
{
struct tcphdr *th;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d048d46779fc..70568a4548e4 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -391,8 +391,7 @@ EXPORT_SYMBOL_GPL(udp6_lib_lookup);
* return it, otherwise we block.
*/
-int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len,
+int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
int noblock, int flags, int *addr_len)
{
struct ipv6_pinfo *np = inet6_sk(sk);
@@ -1101,8 +1100,7 @@ out:
return err;
}
-int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len)
+int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{
struct ipv6_txoptions opt_space;
struct udp_sock *up = udp_sk(sk);
@@ -1164,12 +1162,12 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
do_udp_sendmsg:
if (__ipv6_only_sock(sk))
return -ENETUNREACH;
- return udp_sendmsg(iocb, sk, msg, len);
+ return udp_sendmsg(sk, msg, len);
}
}
if (up->pending == AF_INET)
- return udp_sendmsg(iocb, sk, msg, len);
+ return udp_sendmsg(sk, msg, len);
/* Rough check on arithmetic overflow,
better check is made in ip6_append_data().
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index c779c3c90b9d..0682c031ccdc 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -23,10 +23,9 @@ int compat_udpv6_setsockopt(struct sock *sk, int level, int optname,
int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
#endif
-int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
- size_t len);
-int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
- size_t len, int noblock, int flags, int *addr_len);
+int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);
+int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
+ int flags, int *addr_len);
int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
void udpv6_destroy_sock(struct sock *sk);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 17:01:23 +0100