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From: roopa <roopa@cumulusnetworks•com>
To: Robert Shearman <rshearma@brocade•com>
Cc: ebiederm@xmission•com, davem@davemloft•net,
	netdev@vger•kernel.org, vivek@cumulusnetworks•com
Subject: Re: [PATCH net iproute2 v2 1/2] mpls: always set type as RTN_UNICAST for route add/deletes
Date: Wed, 27 May 2015 13:08:25 -0700	[thread overview]
Message-ID: <55662439.7010503@cumulusnetworks.com> (raw)
In-Reply-To: <5566221A.5020001@brocade.com>

On 5/27/15, 12:59 PM, Robert Shearman wrote:
> On 27/05/15 19:37, Roopa Prabhu wrote:
>> From: Roopa Prabhu <roopa@cumulusnetworks•com>
>>
>> Kernel expects type RTN_UNICAST for mpls route/dels
>>
>> Signed-off-by: Vivek Venkataraman <vivek@cumulusnetworks•com>
>> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks•com>
>> ---
>>   ip/iproute.c |    5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/ip/iproute.c b/ip/iproute.c
>> index 670a4c6..71c088b 100644
>> --- a/ip/iproute.c
>> +++ b/ip/iproute.c
>> @@ -803,6 +803,7 @@ static int iproute_modify(int cmd, unsigned 
>> flags, int argc, char **argv)
>>       int scope_ok = 0;
>>       int table_ok = 0;
>>       int raw = 0;
>> +    int type_ok = 0;
>>
>>       memset(&req, 0, sizeof(req));
>>
>> @@ -1095,6 +1096,7 @@ static int iproute_modify(int cmd, unsigned 
>> flags, int argc, char **argv)
>>                   rtnl_rtntype_a2n(&type, *argv) == 0) {
>>                   NEXT_ARG();
>>                   req.r.rtm_type = type;
>> +                type_ok = 1;
>>               }
>>
>>               if (matches(*argv, "help") == 0)
>> @@ -1160,6 +1162,9 @@ static int iproute_modify(int cmd, unsigned 
>> flags, int argc, char **argv)
>>           }
>>       }
>>
>> +    if (!type_ok && req.r.rtm_family == AF_MPLS)
>> +        req.r.rtm_type = RTN_UNICAST;
>> +
>>       if (req.r.rtm_family == AF_UNSPEC)
>>           req.r.rtm_family = AF_INET;
>>
>>
>
> There is this block of code near the start of iproute_modify that sets 
> req.r.rtm_type in the add/modify cases:
>
>         if (cmd != RTM_DELROUTE) {
>                 req.r.rtm_protocol = RTPROT_BOOT;
>                 req.r.rtm_scope = RT_SCOPE_UNIVERSE;
>                 req.r.rtm_type = RTN_UNICAST;
>         }
>
> How about doing similar for the mpls delete case? This would avoid the 
> need to track if the type has been set and would also make the way 
> rtm_type is set in the delete case as close as possible to that in the 
> add/modify cases.
sure that works too. There was already *_ok checks for the rest of the 
attributes, ..so added it there.

v3 ...coming...

  reply	other threads:[~2015-05-27 20:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-27 18:37 [PATCH net iproute2 v2 1/2] mpls: always set type as RTN_UNICAST for route add/deletes Roopa Prabhu
2015-05-27 19:59 ` Robert Shearman
2015-05-27 20:08   ` roopa [this message]
2015-05-28  0:06     ` roopa
2015-05-28  9:15       ` Robert Shearman
2015-05-28  9:17 ` Robert Shearman

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