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ipv6: add IPV6_HDRINCL option for raw sockets 

Same as in Windows, we miss IPV6_HDRINCL for SOL_IPV6 and SOL_RAW.
The SOL_IP/IP_HDRINCL is not available for IPv6 sockets.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Hannes Frederic Sowa 2015-12-16 17:22:47 +01:00 committed by David S. Miller
parent 32bc201e19
commit 715f504b11
2 changed files with 17 additions and 4 deletions
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1
include/uapi/linux/in6.h
View File

@ -196,6 +196,7 @@ struct in6_flowlabel_req {
#define IPV6_IPSEC_POLICY 34
#define IPV6_XFRM_POLICY 35
#define IPV6_HDRINCL 36
#endif
/*

20
net/ipv6/raw.c
View File

@ -972,6 +972,11 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
return -EFAULT;
switch (optname) {
case IPV6_HDRINCL:
if (sk->sk_type != SOCK_RAW)
return -EINVAL;
inet_sk(sk)->hdrincl = !!val;
return 0;
case IPV6_CHECKSUM:
if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
level == IPPROTO_IPV6) {
@ -1016,7 +1021,8 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
default:
return ipv6_setsockopt(sk, level, optname, optval, optlen);
@ -1037,7 +1043,8 @@ static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
default:
return compat_ipv6_setsockopt(sk, level, optname,
@ -1057,6 +1064,9 @@ static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
return -EFAULT;
switch (optname) {
case IPV6_HDRINCL:
val = inet_sk(sk)->hdrincl;
break;
case IPV6_CHECKSUM:
/*
* We allow getsockopt() for IPPROTO_IPV6-level
@ -1094,7 +1104,8 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
default:
return ipv6_getsockopt(sk, level, optname, optval, optlen);
@ -1115,7 +1126,8 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
if (optname == IPV6_CHECKSUM)
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
default:
return compat_ipv6_getsockopt(sk, level, optname,