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author | YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> | 2013-01-21 07:48:19 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2013-01-21 19:33:15 +0100 |
commit | 2576f17dfad402e2446244238ed22dddf35c2e53 (patch) | |
tree | c2f90411b0fc1d6bd8caf6b01a082cd56cb952cd /net/ipv6/ndisc.c | |
parent | ndisc: Introduce ndisc_alloc_skb() helper. (diff) | |
download | linux-2576f17dfad402e2446244238ed22dddf35c2e53.tar.xz linux-2576f17dfad402e2446244238ed22dddf35c2e53.zip |
ipv6: Unshare ip6_nd_hdr() and change return type to void.
- move ip6_nd_hdr() to its users' source files.
In net/ipv6/mcast.c, it will be called ip6_mc_hdr().
- make return type to void since this function never fails.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ndisc.c')
-rw-r--r-- | net/ipv6/ndisc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 1776a0deee7f..7ce266f34cc7 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -389,6 +389,31 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev, return skb; } +static void ip6_nd_hdr(struct sock *sk, + struct sk_buff *skb, struct net_device *dev, + const struct in6_addr *saddr, + const struct in6_addr *daddr, + int proto, int len) +{ + struct ipv6hdr *hdr; + + skb->protocol = htons(ETH_P_IPV6); + skb->dev = dev; + + skb_reset_network_header(skb); + skb_put(skb, sizeof(struct ipv6hdr)); + hdr = ipv6_hdr(skb); + + ip6_flow_hdr(hdr, 0, 0); + + hdr->payload_len = htons(len); + hdr->nexthdr = proto; + hdr->hop_limit = inet6_sk(sk)->hop_limit; + + hdr->saddr = *saddr; + hdr->daddr = *daddr; +} + static struct sk_buff *ndisc_build_skb(struct net_device *dev, const struct in6_addr *daddr, const struct in6_addr *saddr, |