On Tue, Nov 04, 2014 at 02:34:53PM +0000, Simon Vincent wrote:
> If you use RAW sockets the transport header offset is not set by the
> ipv6 stack so when we get to the udp header compression it does not
> compress the right part of the packet.
>
> This patch adds a check for this scenario and sets the transport
> header offset.
>
> Signed-off-by: Simon Vincent <simon.vincent@xxxxxxxxxx>
> ---
> net/6lowpan/iphc.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
> index 73a7065..305bf2b 100644
> --- a/net/6lowpan/iphc.c
> +++ b/net/6lowpan/iphc.c
> @@ -512,9 +512,17 @@ static u8 lowpan_compress_addr_64(u8 **hc_ptr, u8 shift,
>
> static void compress_udp_header(u8 **hc_ptr, struct sk_buff *skb)
> {
> - struct udphdr *uh = udp_hdr(skb);
> + struct udphdr *uh;
> u8 tmp;
>
> + /* In the case of RAW sockets the transport header is not set by
> + * the ip6 stack so we must set it ourselves
> + */
Should be:
/* In the case of RAW sockets the transport header is not set by
* the ip6 stack so we must set it ourselves
*/
Otherwise looking good! ;-)
- Alex
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