From: Florian Westphal <fw@xxxxxxxxx>
Date: Thu, 7 Aug 2014 00:13:13 +0200
> 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>
...
>> @@ -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-}
:-) 77 appears to be the next actually usable value.
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