On Tue, 2018-06-19 at 16:44 -0700, Michael Scott wrote:
> After decompression of 6lowpan socket data, an IPv6 header is
> inserted
> before the existing socket payload.  After this, we reset the
> network_header value of the skb to account for the difference in
> payload
> size from prior to decompression + the addition of the IPv6 header.
> 
> 
> Signed-off-by: Michael Scott <[email protected]>
> ---
>  net/6lowpan/iphc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
> index 6b1042e21656..52fad5dad9f7 100644
> --- a/net/6lowpan/iphc.c
> +++ b/net/6lowpan/iphc.c
> @@ -770,6 +770,7 @@ int lowpan_header_decompress(struct sk_buff *skb,
> const struct net_device *dev,
>               hdr.hop_limit, &hdr.daddr);
>  
>       skb_push(skb, sizeof(hdr));
> +     skb_reset_mac_header(skb);
>       skb_reset_network_header(skb);
>       skb_copy_to_linear_data(skb, &hdr, sizeof(hdr));
>  

Acked-by: Jukka Rissanen <[email protected]>


Cheers,
Jukka



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