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-rw-r--r--drivers/net/vxlan.c5
-rw-r--r--include/linux/igmp.h2
-rw-r--r--include/net/ipv6.h4
-rw-r--r--net/ipv4/devinet.c4
-rw-r--r--net/ipv4/igmp.c41
-rw-r--r--net/ipv4/ip_sockglue.c21
-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/ipv6_sockglue.c21
-rw-r--r--net/ipv6/mcast.c30
-rw-r--r--net/netfilter/ipvs/ip_vs_sync.c2
-rw-r--r--net/tipc/udp_media.c4
11 files changed, 51 insertions, 87 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 25d92d4fc625..8b8ca7492d56 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1097,7 +1097,6 @@ EXPORT_SYMBOL_GPL(vxlan_sock_release);
/* Callback to update multicast group membership when first VNI on
* multicast asddress is brought up
- * Done as workqueue because ip_mc_join_group acquires RTNL.
*/
static void vxlan_igmp_join(struct work_struct *work)
{
@@ -1107,6 +1106,7 @@ static void vxlan_igmp_join(struct work_struct *work)
union vxlan_addr *ip = &vxlan->default_dst.remote_ip;
int ifindex = vxlan->default_dst.remote_ifindex;
+ rtnl_lock();
lock_sock(sk);
if (ip->sa.sa_family == AF_INET) {
struct ip_mreqn mreq = {
@@ -1122,6 +1122,7 @@ static void vxlan_igmp_join(struct work_struct *work)
#endif
}
release_sock(sk);
+ rtnl_unlock();
vxlan_sock_release(vs);
dev_put(vxlan->dev);
@@ -1136,6 +1137,7 @@ static void vxlan_igmp_leave(struct work_struct *work)
union vxlan_addr *ip = &vxlan->default_dst.remote_ip;
int ifindex = vxlan->default_dst.remote_ifindex;
+ rtnl_lock();
lock_sock(sk);
if (ip->sa.sa_family == AF_INET) {
struct ip_mreqn mreq = {
@@ -1152,6 +1154,7 @@ static void vxlan_igmp_leave(struct work_struct *work)
}
release_sock(sk);
+ rtnl_unlock();
vxlan_sock_release(vs);
dev_put(vxlan->dev);
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index b5a6470e686c..2c677afeea47 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -111,9 +111,7 @@ struct ip_mc_list {
extern int ip_check_mc_rcu(struct in_device *dev, __be32 mc_addr, __be32 src_addr, u16 proto);
extern int igmp_rcv(struct sk_buff *);
-extern int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
-extern int __ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr);
extern int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr);
extern void ip_mc_drop_socket(struct sock *sk);
extern int ip_mc_source(int add, int omode, struct sock *sk,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index b7673065c074..e7ba9758a345 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -942,10 +942,6 @@ void ipv6_sysctl_unregister(void);
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);
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);
#endif /* _NET_IPV6_H */
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 375dc71b9a64..975ee5e30c64 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -560,9 +560,9 @@ static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa)
lock_sock(sk);
if (join)
- ret = __ip_mc_join_group(sk, &mreq);
+ ret = ip_mc_join_group(sk, &mreq);
else
- ret = __ip_mc_leave_group(sk, &mreq);
+ ret = ip_mc_leave_group(sk, &mreq);
release_sock(sk);
return ret;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 5cb1ef4ce292..ad3f866085de 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1850,7 +1850,10 @@ static void ip_mc_clear_src(struct ip_mc_list *pmc)
pmc->sfcount[MCAST_EXCLUDE] = 1;
}
-int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr)
+/* Join a multicast group
+ */
+
+int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr)
{
__be32 addr = imr->imr_multiaddr.s_addr;
struct ip_mc_socklist *iml, *i;
@@ -1898,20 +1901,6 @@ int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr)
done:
return err;
}
-EXPORT_SYMBOL(__ip_mc_join_group);
-
-/* Join a multicast group
- */
-int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr)
-{
- int ret;
-
- rtnl_lock();
- ret = __ip_mc_join_group(sk, imr);
- rtnl_unlock();
-
- return ret;
-}
EXPORT_SYMBOL(ip_mc_join_group);
static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
@@ -1934,7 +1923,7 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
return err;
}
-int __ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
+int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_mc_socklist *iml;
@@ -1979,18 +1968,6 @@ int __ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
out:
return ret;
}
-EXPORT_SYMBOL(__ip_mc_leave_group);
-
-int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
-{
- int ret;
-
- rtnl_lock();
- ret = __ip_mc_leave_group(sk, imr);
- rtnl_unlock();
-
- return ret;
-}
EXPORT_SYMBOL(ip_mc_leave_group);
int ip_mc_source(int add, int omode, struct sock *sk, struct
@@ -2010,7 +1987,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
if (!ipv4_is_multicast(addr))
return -EINVAL;
- rtnl_lock();
+ ASSERT_RTNL();
imr.imr_multiaddr.s_addr = mreqs->imr_multiaddr;
imr.imr_address.s_addr = mreqs->imr_interface;
@@ -2124,9 +2101,8 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 1,
&mreqs->imr_sourceaddr, 1);
done:
- rtnl_unlock();
if (leavegroup)
- return ip_mc_leave_group(sk, &imr);
+ err = ip_mc_leave_group(sk, &imr);
return err;
}
@@ -2148,7 +2124,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
msf->imsf_fmode != MCAST_EXCLUDE)
return -EINVAL;
- rtnl_lock();
+ ASSERT_RTNL();
imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
imr.imr_address.s_addr = msf->imsf_interface;
@@ -2210,7 +2186,6 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
pmc->sfmode = msf->imsf_fmode;
err = 0;
done:
- rtnl_unlock();
if (leavegroup)
err = ip_mc_leave_group(sk, &imr);
return err;
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 5171709199f4..f6a0d54b308a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -541,9 +541,18 @@ static bool setsockopt_needs_rtnl(int optname)
switch (optname) {
case IP_ADD_MEMBERSHIP:
case IP_ADD_SOURCE_MEMBERSHIP:
+ case IP_BLOCK_SOURCE:
case IP_DROP_MEMBERSHIP:
+ case IP_DROP_SOURCE_MEMBERSHIP:
+ case IP_MSFILTER:
+ case IP_UNBLOCK_SOURCE:
+ case MCAST_BLOCK_SOURCE:
+ case MCAST_MSFILTER:
case MCAST_JOIN_GROUP:
+ case MCAST_JOIN_SOURCE_GROUP:
case MCAST_LEAVE_GROUP:
+ case MCAST_LEAVE_SOURCE_GROUP:
+ case MCAST_UNBLOCK_SOURCE:
return true;
}
return false;
@@ -861,9 +870,9 @@ static int do_ip_setsockopt(struct sock *sk, int level,
}
if (optname == IP_ADD_MEMBERSHIP)
- err = __ip_mc_join_group(sk, &mreq);
+ err = ip_mc_join_group(sk, &mreq);
else
- err = __ip_mc_leave_group(sk, &mreq);
+ err = ip_mc_leave_group(sk, &mreq);
break;
}
case IP_MSFILTER:
@@ -928,7 +937,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
mreq.imr_multiaddr.s_addr = mreqs.imr_multiaddr;
mreq.imr_address.s_addr = mreqs.imr_interface;
mreq.imr_ifindex = 0;
- err = __ip_mc_join_group(sk, &mreq);
+ err = ip_mc_join_group(sk, &mreq);
if (err && err != -EADDRINUSE)
break;
omode = MCAST_INCLUDE;
@@ -960,9 +969,9 @@ static int do_ip_setsockopt(struct sock *sk, int level,
mreq.imr_ifindex = greq.gr_interface;
if (optname == MCAST_JOIN_GROUP)
- err = __ip_mc_join_group(sk, &mreq);
+ err = ip_mc_join_group(sk, &mreq);
else
- err = __ip_mc_leave_group(sk, &mreq);
+ err = ip_mc_leave_group(sk, &mreq);
break;
}
case MCAST_JOIN_SOURCE_GROUP:
@@ -1005,7 +1014,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
mreq.imr_multiaddr = psin->sin_addr;
mreq.imr_address.s_addr = 0;
mreq.imr_ifindex = greqs.gsr_interface;
- err = __ip_mc_join_group(sk, &mreq);
+ err = ip_mc_join_group(sk, &mreq);
if (err && err != -EADDRINUSE)
break;
greqs.gsr_interface = mreq.imr_ifindex;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 88d2cf0cae52..158378e73f0a 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2473,9 +2473,9 @@ static int ipv6_mc_config(struct sock *sk, bool join,
lock_sock(sk);
if (join)
- ret = __ipv6_sock_mc_join(sk, ifindex, addr);
+ ret = ipv6_sock_mc_join(sk, ifindex, addr);
else
- ret = __ipv6_sock_mc_drop(sk, ifindex, addr);
+ ret = ipv6_sock_mc_drop(sk, ifindex, addr);
release_sock(sk);
return ret;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index f2b731df8d77..cc5883791bac 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -124,6 +124,11 @@ static bool setsockopt_needs_rtnl(int optname)
case IPV6_DROP_MEMBERSHIP:
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
+ case MCAST_JOIN_SOURCE_GROUP:
+ case MCAST_LEAVE_SOURCE_GROUP:
+ case MCAST_BLOCK_SOURCE:
+ case MCAST_UNBLOCK_SOURCE:
+ case MCAST_MSFILTER:
return true;
}
return false;
@@ -597,9 +602,9 @@ done:
break;
if (optname == IPV6_ADD_MEMBERSHIP)
- retv = __ipv6_sock_mc_join(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
+ retv = ipv6_sock_mc_join(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
else
- retv = __ipv6_sock_mc_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
+ retv = ipv6_sock_mc_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
break;
}
case IPV6_JOIN_ANYCAST:
@@ -638,11 +643,11 @@ done:
}
psin6 = (struct sockaddr_in6 *)&greq.gr_group;
if (optname == MCAST_JOIN_GROUP)
- retv = __ipv6_sock_mc_join(sk, greq.gr_interface,
- &psin6->sin6_addr);
+ retv = ipv6_sock_mc_join(sk, greq.gr_interface,
+ &psin6->sin6_addr);
else
- retv = __ipv6_sock_mc_drop(sk, greq.gr_interface,
- &psin6->sin6_addr);
+ retv = ipv6_sock_mc_drop(sk, greq.gr_interface,
+ &psin6->sin6_addr);
break;
}
case MCAST_JOIN_SOURCE_GROUP:
@@ -674,8 +679,8 @@ done:
struct sockaddr_in6 *psin6;
psin6 = (struct sockaddr_in6 *)&greqs.gsr_group;
- retv = __ipv6_sock_mc_join(sk, greqs.gsr_interface,
- &psin6->sin6_addr);
+ retv = ipv6_sock_mc_join(sk, greqs.gsr_interface,
+ &psin6->sin6_addr);
/* prior join w/ different source is ok */
if (retv && retv != -EADDRINUSE)
break;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 1dd1fedff9f4..cbb66fd3da6d 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;
@@ -199,24 +199,12 @@ int __ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *add
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 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;
@@ -255,18 +243,6 @@ int __ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *add
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() */
@@ -460,7 +436,7 @@ done:
read_unlock_bh(&idev->lock);
rcu_read_unlock();
if (leavegroup)
- return ipv6_sock_mc_drop(sk, pgsr->gsr_interface, group);
+ err = ipv6_sock_mc_drop(sk, pgsr->gsr_interface, group);
return err;
}
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 08d95559b6f7..19b9cce6c210 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1405,9 +1405,11 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
mreq.imr_ifindex = dev->ifindex;
+ rtnl_lock();
lock_sock(sk);
ret = ip_mc_join_group(sk, &mreq);
release_sock(sk);
+ rtnl_unlock();
return ret;
}
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index fc2fb11a354d..04836dd70c2b 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -246,11 +246,11 @@ static int enable_mcast(struct udp_bearer *ub, struct udp_media_addr *remote)
return 0;
mreqn.imr_multiaddr = remote->ipv4;
mreqn.imr_ifindex = ub->ifindex;
- err = __ip_mc_join_group(sk, &mreqn);
+ err = ip_mc_join_group(sk, &mreqn);
} else {
if (!ipv6_addr_is_multicast(&remote->ipv6))
return 0;
- err = __ipv6_sock_mc_join(sk, ub->ifindex, &remote->ipv6);
+ err = ipv6_sock_mc_join(sk, ub->ifindex, &remote->ipv6);
}
return err;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.