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authorHannes Frederic Sowa <hannes@stressinduktion.org>2015-12-16 17:22:47 +0100
committerDavid S. Miller <davem@davemloft.net>2015-12-17 15:12:28 -0500
commit715f504b118998c41a2079a17e16bf5a8a114885 (patch)
tree5d7953224747992bdc2cf8cf5556a81ac84c0a76
parent32bc201e1974976b7d3fea9a9b17bb7392ca6394 (diff)
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>
-rw-r--r--include/uapi/linux/in6.h1
-rw-r--r--net/ipv6/raw.c20
2 files changed, 17 insertions, 4 deletions
diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
index 79b12b004ade..318a4828bf98 100644
--- a/include/uapi/linux/in6.h
+++ b/include/uapi/linux/in6.h
@@ -196,6 +196,7 @@ struct in6_flowlabel_req {
#define IPV6_IPSEC_POLICY 34
#define IPV6_XFRM_POLICY 35
+#define IPV6_HDRINCL 36
#endif
/*
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 99140986e887..fa59dd7a427e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -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,