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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-13 05:02:18 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-13 20:17:14 -0500
commitdaad151263cf334d57fcc0270e2483d4b4639650 (patch)
treeca0ba6274d94c1ce31a51a296a7032bb43a1cc08 /net/ipv6/ip6_input.c
parente7219858ac1f98213a4714d0e24e7a003e1bf6a2 (diff)
downloadlinux-stericsson-daad151263cf334d57fcc0270e2483d4b4639650.tar.gz
ipv6: Make ipv6_is_mld() inline and use it from ip6_mc_input().
Move generalized version of ipv6_is_mld() to header, and use it from ip6_mc_input(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index a52d864d562b..2ccd35ec3628 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -212,7 +212,7 @@ resubmit:
if (ipv6_addr_is_multicast(&hdr->daddr) &&
!ipv6_chk_mcast_addr(skb->dev, &hdr->daddr,
&hdr->saddr) &&
- !ipv6_is_mld(skb, nexthdr))
+ !ipv6_is_mld(skb, nexthdr, skb_network_header_len(skb)))
goto discard;
}
if (!(ipprot->flags & INET6_PROTO_NOPOLICY) &&
@@ -283,7 +283,6 @@ int ip6_mc_input(struct sk_buff *skb)
if (unlikely(opt->ra)) {
/* Check if this is a mld message */
u8 *ptr = skb_network_header(skb) + opt->ra;
- struct icmp6hdr *icmp6;
u8 nexthdr = hdr->nexthdr;
__be16 frag_off;
int offset;
@@ -303,24 +302,10 @@ int ip6_mc_input(struct sk_buff *skb)
if (offset < 0)
goto out;
- if (nexthdr != IPPROTO_ICMPV6)
+ if (!ipv6_is_mld(skb, nexthdr, offset))
goto out;
- if (!pskb_may_pull(skb, (skb_network_header(skb) +
- offset + 1 - skb->data)))
- goto out;
-
- icmp6 = (struct icmp6hdr *)(skb_network_header(skb) + offset);
-
- switch (icmp6->icmp6_type) {
- case ICMPV6_MGM_QUERY:
- case ICMPV6_MGM_REPORT:
- case ICMPV6_MGM_REDUCTION:
- case ICMPV6_MLD2_REPORT:
- deliver = true;
- break;
- }
- goto out;
+ deliver = true;
}
/* unknown RA - process it normally */
}