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| author | Masahide NAKAMURA <nakam@linux-ipv6.org> | 2006-08-23 20:36:47 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-22 15:07:02 -0700 |
| commit | 6e8f4d48b265225bdf437bbf3151b0d6700dda22 (patch) | |
| tree | f71cfecfc21d5a28e10a9e761164252dd65fa154 | |
| parent | 7be96f7628469e56f91d51f13b03e9bcff113c7f (diff) | |
| download | linux-6e8f4d48b265225bdf437bbf3151b0d6700dda22.tar.bz2 | |
[IPV6] MIP6: Add sending mobility header functions through raw socket.
Mobility header is built by user-space and sent through raw socket.
Kernel just extracts its type to flow.
Based on MIPL2 kernel patch.
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/raw.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index ecca8aae3c4b..d09329ca3267 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -609,6 +609,9 @@ static void rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) struct iovec *iov; u8 __user *type = NULL; u8 __user *code = NULL; +#ifdef CONFIG_IPV6_MIP6 + u8 len = 0; +#endif int probed = 0; int i; @@ -640,6 +643,20 @@ static void rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) probed = 1; } break; +#ifdef CONFIG_IPV6_MIP6 + case IPPROTO_MH: + if (iov->iov_base && iov->iov_len < 1) + break; + /* check if type field is readable or not. */ + if (iov->iov_len > 2 - len) { + u8 __user *p = iov->iov_base; + get_user(fl->fl_mh_type, &p[2 - len]); + probed = 1; + } else + len += iov->iov_len; + + break; +#endif default: probed = 1; break; |