diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 85b48f1..3181fd0 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1356,28 +1356,22 @@ static void set_mcast_pmtudisc(struct sock *sk, int val)
/*
* Specifiy default interface for outgoing multicasts
*/
-static int set_mcast_if(struct sock *sk, char *ifname)
+static int set_mcast_if(struct sock *sk, int ifindex)
{
- struct net_device *dev;
struct inet_sock *inet = inet_sk(sk);
- struct net *net = sock_net(sk);
-
- dev = __dev_get_by_name(net, ifname);
- if (!dev)
- return -ENODEV;
- if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
+ if (sk->sk_bound_dev_if && ifindex != sk->sk_bound_dev_if)
return -EINVAL;
lock_sock(sk);
- inet->mc_index = dev->ifindex;
+ inet->mc_index = ifindex;
/* inet->mc_addr = 0; */
#ifdef CONFIG_IP_VS_IPV6
if (sk->sk_family == AF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
/* IPV6_MULTICAST_IF */
- np->mcast_oif = dev->ifindex;
+ np->mcast_oif = ifindex;
}
#endif
release_sock(sk);@@ -1392,23 +1386,18 @@ static int set_mcast_if(struct sock *sk, char *ifname)
* in the in_addr structure passed in as a parameter.
*/
static int
-join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
+join_mcast_group(struct sock *sk, struct in_addr *addr, int ifindex)
{
- struct net *net = sock_net(sk);
struct ip_mreqn mreq;
- struct net_device *dev;
int ret;
memset(&mreq, 0, sizeof(mreq));
memcpy(&mreq.imr_multiaddr, addr, sizeof(struct in_addr));
- dev = __dev_get_by_name(net, ifname);
- if (!dev)
- return -ENODEV;
- if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
+ if (sk->sk_bound_dev_if && ifindex != sk->sk_bound_dev_if)
return -EINVAL;
- mreq.imr_ifindex = dev->ifindex;
+ mreq.imr_ifindex = ifindex;
lock_sock(sk);
ret = ip_mc_join_group(sk, &mreq);@@ -1419,45 +1408,31 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
#ifdef CONFIG_IP_VS_IPV6
static int join_mcast_group6(struct sock *sk, struct in6_addr *addr,
- char *ifname)
+ int ifindex)
{
- struct net *net = sock_net(sk);
- struct net_device *dev;
int ret;
- dev = __dev_get_by_name(net, ifname);
- if (!dev)
- return -ENODEV;
- if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
+ if (sk->sk_bound_dev_if && ifindex != sk->sk_bound_dev_if)
return -EINVAL;
lock_sock(sk);
- ret = ipv6_sock_mc_join(sk, dev->ifindex, addr);
+ ret = ipv6_sock_mc_join(sk, ifindex, addr);
release_sock(sk);
return ret;
}
#endif
-static int bind_mcastif_addr(struct socket *sock, char *ifname)
+static int bind_mcastif_addr(struct socket *sock, struct net_device *dev)
{
- struct net *net = sock_net(sock->sk);
- struct net_device *dev;
__be32 addr;
struct sockaddr_in sin;
- dev = __dev_get_by_name(net, ifname);
- if (!dev)
- return -ENODEV;
-
addr = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE);
if (!addr)
pr_err("You probably need to specify IP address on "
"multicast interface.\n");
- IP_VS_DBG(7, "binding socket with (%s) %pI4\n",
- ifname, &addr);
-
/* Now bind the socket with the address of multicast interface */
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = addr;@@ -1489,7 +1464,7 @@ static void get_mcast_sockaddr(union ipvs_sockaddr *sa, int *salen,
/*
* Set up sending multicast socket over UDP
*/
-static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id)
+static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id, struct net_device *dev)
{
/* multicast addr */
union ipvs_sockaddr mcast_addr;@@ -1503,7 +1478,7 @@ static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id)
pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
- result = set_mcast_if(sock->sk, ipvs->mcfg.mcast_ifn);
+ result = set_mcast_if(sock->sk, dev->ifindex);
if (result < 0) {
pr_err("Error setting outbound mcast interface\n");
goto error;@@ -1517,8 +1492,12 @@ static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id)
if (result > 0)
set_sock_size(sock->sk, 1, result);
- if (AF_INET == ipvs->mcfg.mcast_af)
- result = bind_mcastif_addr(sock, ipvs->mcfg.mcast_ifn);
+ if (AF_INET == ipvs->mcfg.mcast_af) {
+ IP_VS_DBG(7, "binding socket with (%s) %pI4\n",
+ ipvs->mcast_ifn, &addr);
+
+ result = bind_mcastif_addr(sock, dev);
+ }
else
result = 0;
if (result < 0) {@@ -1559,6 +1538,7 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, int ifi
pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
+
/* it is equivalent to the REUSEADDR option in user-space */
sock->sk->sk_reuse = SK_CAN_REUSE;
result = sysctl_sync_sock_size(ipvs);@@ -1577,11 +1557,11 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, int ifi
#ifdef CONFIG_IP_VS_IPV6
if (ipvs->bcfg.mcast_af == AF_INET6)
result = join_mcast_group6(sock->sk, &mcast_addr.in6.sin6_addr,
- ipvs->bcfg.mcast_ifn);
+ ifindex);
else
#endif
result = join_mcast_group(sock->sk, &mcast_addr.in.sin_addr,
- ipvs->bcfg.mcast_ifn);
+ ifindex);
if (result < 0) {
pr_err("Error joining to the multicast group\n");
goto error;@@ -1867,7 +1847,7 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c,
tinfo = NULL;
for (id = 0; id < count; id++) {
if (state == IP_VS_STATE_MASTER)
- sock = make_send_sock(ipvs, id);
+ sock = make_send_sock(ipvs, id, dev);
else
sock = make_receive_sock(ipvs, id, dev->ifindex);
if (IS_ERR(sock)) {--
1.7.7.6