diff options
| author | David Ahern <dsahern@gmail.com> | 2017-08-07 08:44:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-07 11:39:22 -0700 |
| commit | 60d9b03141243589dacd3136f3fcb4e6976df954 (patch) | |
| tree | 2b8ac19e4d4e78b910983c50422cf375fa94e799 /net/ipv4/igmp.c | |
| parent | 67359930e185c491b47cb958d5f1d6c1af4598a2 (diff) | |
| download | linux-60d9b03141243589dacd3136f3fcb4e6976df954.tar.bz2 | |
net: ipv4: add second dif to multicast source filter
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 28f14afd0dd3..5bc8570c2ec3 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2549,7 +2549,8 @@ done: /* * check if a multicast source filter allows delivery for a given <src,dst,intf> */ -int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif) +int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, + int dif, int sdif) { struct inet_sock *inet = inet_sk(sk); struct ip_mc_socklist *pmc; @@ -2564,7 +2565,8 @@ int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif) rcu_read_lock(); for_each_pmc_rcu(inet, pmc) { if (pmc->multi.imr_multiaddr.s_addr == loc_addr && - pmc->multi.imr_ifindex == dif) + (pmc->multi.imr_ifindex == dif || + (sdif && pmc->multi.imr_ifindex == sdif))) break; } ret = inet->mc_all; |