Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> cb1ce2e ("ipv6: Implement automatic flow label generation on transmit")
> accidentally uses socket option 64, which is already used by ip6tables:
>
> IP6T_SO_SET_REPLACE / IP6T_SO_GET_INFO 64
> IP6T_SO_SET_ADD_COUNTERS / IP6T_SO_GET_ENTRIES 65
>
> There is comment include/uapi/linux/in6.h warning about that.
>
> Cc: Tom Herbert <therbert@xxxxxxxxxx>
> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> ---
> include/uapi/linux/in6.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
> index 22b7a69..1d929c0 100644
> --- a/include/uapi/linux/in6.h
> +++ b/include/uapi/linux/in6.h
> @@ -233,7 +233,6 @@ struct in6_flowlabel_req {
> #if 0 /* not yet */
> #define IPV6_USE_MIN_MTU 63
> #endif
> -#define IPV6_AUTOFLOWLABEL 64
>
> /*
> * Netfilter (1)
> @@ -250,6 +249,7 @@ struct in6_flowlabel_req {
> */
> #define IPV6_RECVTCLASS 66
> #define IPV6_TCLASS 67
> +#define IPV6_AUTOFLOWLABEL 68
This clashes with IP6T_SO_GET_REVISION_MATCH 8-}
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