Re: [Unstrung-hackers] [RFC net-next] ipv6: ext_header: add function to handle RPL extension header option 0x63

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Fri, May 05, 2017 at 09:55:54AM CEST, bardoutsos@xxxxxxxxxxxxxxx wrote:
>Yes I think we have faced the same problem,communication with RPL supporting
>devices was failing otherwise.Your patch is also more complete since it also
>implements #ifdef .About the comment,yes I have run checkpatch twice with no
>errors,but ok :)

Top-posting is highly annoying. Please stop with that.

>
>Στις 2017-05-05 08:59, JANARDHANACHARI KELLA έγραψε:
>> I was inserted this patch manually. It was working. on 4.9 kernel.
>> 
>> check this bellow link for your ref.
>> 
>> https://github.com/mwasilak/bluetooth-next/commit/f29c632ef6a6a1777815c97fd2f326faccc704f7
>> [2]
>> 
>> On Thu, May 4, 2017 at 9:30 PM, Jiri Pirko <jiri@xxxxxxxxxxx> wrote:
>> 
>> > Thu, May 04, 2017 at 05:17:18PM CEST, bardoutsos@xxxxxxxxxxxxxxx
>> > wrote:
>> > > Signed-off-by: Andreas Bardoutsos <bardoutsos@xxxxxxxxxxxxxxx>
>> > > ---
>> > > Hi all!
>> > > 
>> > > I have added a dump function(always return true) to recognise RPL
>> > extension
>> > > header(RFC6553)
>> > > Otherwise packet was dropped by kernel resulting in failing
>> > communication in
>> > > RPL DAG's between
>> > > linux running border routers and devices in the graph.For example
>> > > communication
>> > > with contiki OS running devices was previously impossible.
>> > > 
>> > > include/uapi/linux/in6.h | 1 +
>> > > net/ipv6/exthdrs.c | 13 +++++++++++++
>> > > 2 files changed, 14 insertions(+)
>> > > 
>> > > diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
>> > > index 46444f8fbee4..5cc12d309dfe 100644
>> > > --- a/include/uapi/linux/in6.h
>> > > +++ b/include/uapi/linux/in6.h
>> > > @@ -146,6 +146,7 @@ struct in6_flowlabel_req {
>> > > #define IPV6_TLV_CALIPSO 7 /* RFC 5570 */
>> > > #define IPV6_TLV_JUMBO 194
>> > > #define IPV6_TLV_HAO 201 /* home address option */
>> > > +#define IPV6_TLV_RPL 99 /* RFC 6553 */
>> > > 
>> > > /*
>> > > * IPV6 socket options
>> > > diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
>> > > index b636f1da9aec..82ed60d3180e 100644
>> > > --- a/net/ipv6/exthdrs.c
>> > > +++ b/net/ipv6/exthdrs.c
>> > > @@ -785,6 +785,15 @@ static bool ipv6_hop_calipso(struct sk_buff
>> > *skb, int
>> > > optoff)
>> > > return false;
>> > > }
>> > > 
>> > > +/* RPL RFC 6553 */
>> > > +
>> > > +static bool ipv6_hop_rpl(struct sk_buff *skb, int optoff)
>> > > +{
>> > > + /*Dump function which always return true
>> > > + *when rpl option is detected*/
>> > 
>> > This is definitelly wrong formatting of comment. Did you run
>> > checkpatch?
>> > 
>> > > + return true;
>> > > +}
>> > > +
>> > > static const struct tlvtype_proc tlvprochopopt_lst[] = {
>> > > {
>> > > .type = IPV6_TLV_ROUTERALERT,
>> > > @@ -798,6 +807,10 @@ static const struct tlvtype_proc
>> > tlvprochopopt_lst[] = {
>> > > .type = IPV6_TLV_CALIPSO,
>> > > .func = ipv6_hop_calipso,
>> > > },
>> > > + {
>> > > + .type = IPV6_TLV_RPL,
>> > > + .func = ipv6_hop_rpl,
>> > > + },
>> > > { -1, }
>> > > };
>> > > 
>> > --
>> > To unsubscribe from this list: send the line "unsubscribe
>> > linux-wpan" in
>> > the body of a message to majordomo@xxxxxxxxxxxxxxx
>> > More majordomo info at http://vger.kernel.org/majordomo-info.html
>> > [1]
>> 
>> --
>> 
>> Sincerely Your's
>> 
>> Janardhanachari Kella
>> 
>> Contact:+91-9908469599
>> E-mail: eni.chari@xxxxxxxxx
>> 
>> 
>> Links:
>> ------
>> [1] http://vger.kernel.org/majordomo-info.html
>> [2]
>> https://github.com/mwasilak/bluetooth-next/commit/f29c632ef6a6a1777815c97fd2f326faccc704f7
>> 
>> _______________________________________________
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>> Unstrung-hackers@xxxxxxxxxxxxxxxxxx
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>
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