Re: [vpp-dev] Problem while setting socket parameter

[Deepak Jain4]

Hi,

I have corrected  IP conversion  problem .Now it is converting the IP correctly.

(gdb) p inet_ntoa(16885952)
$5 = 0x2aaaaaae3128 "192.168.1.1"


Also default route is pointing to the correct IGMP port.Still socket parameter 
api is getting failed.

DBGvpp# show ip fib  
Table 0, fib_index 0, flow hash: src dst sport dport proto 
     Destination         Packets          Bytes         Adjacency   
192.168.1.0/24                     0               0 weight 1, index 3
                                                      192.168.1.1/24
192.168.1.1/32                     2             196 weight 1, index 4
                                                      192.168.1.1/24
192.168.1.2/32                     0               0 weight 1, index 5
                                                     tap-0

Regards,
Deepak

-----Keith Burns <alaga...@gmail.com> wrote: -----
To: "Dave Barach (dbarach)" <dbar...@cisco.com>, Deepak Jain4 
<deepak.ja...@tcs.com>
From: Keith Burns <alaga...@gmail.com>
Date: 11/23/2016 06:10PM
Cc: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io>
Subject: Re: [vpp-dev] Problem while setting socket parameter

Potentially a couple of things wrong:

1. 
3756520960 == 223.231.246.0 
575366855 == 34.75.102.199

192.168.1.1 == 3232235777

Maybe some Endian badness going on here? 

2. Where is the default route pointing at ? I&#8217;ve seen IGMP issues where 
if the default route isn&#8217;t pointing at the desired IGMP interface&#8230;


 
 

From: Deepak Jain4 <deepak.ja...@tcs.com>
Reply: Deepak Jain4 <deepak.ja...@tcs.com>
Date: November 23, 2016 at 1:44:18 AM
To: Dave Barach (dbarach) <dbar...@cisco.com>
Cc: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io>
Subject:  Re: [vpp-dev] Problem while setting socket parameter 

 
HI,

No requested ip (192.168.1.1/24 ) is not assigned.please find the output in 
attached file.

Regards,
Deepak

-----"Dave Barach (dbarach)" <dbar...@cisco.com> wrote: -----
To: Deepak Jain4 <deepak.ja...@tcs.com>, "vpp-dev@lists.fd.io" 
<vpp-dev@lists.fd.io>
From: "Dave Barach (dbarach)" <dbar...@cisco.com>
Date: 11/21/2016 06:42PM
Subject: RE: [vpp-dev] Problem while setting socket parameter

       
 Is the requested address already assigned? &#8220;netstat -ln&#8221;...
  
 Thanks&#8230; Dave
  
  From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
Behalf Of Deepak Jain4
 Sent: Sunday, November 20, 2016 11:12 PM
 To: vpp-dev@lists.fd.io
 Subject: [vpp-dev] Problem while setting socket parameter
  
 HI Team,
 
 system call setsockopt(socket, IPPROTO_IP, MRT_ADD_VIF, (char *)&vc, 
sizeof(vc)) system call is getting fail with error "GigabitEthernet0: Cannot 
assign requested address". socket has been created with   socket(AF_INET, 
SOCK_RAW, IPPROTO_IGMP) API.
 
 vc having following values
 
 (gdb) p vc
 $2 = {vifc_vifi = 14, vifc_flags = 0 '\000', vifc_threshold = 0 '\000', 
vifc_rate_limit = 0, {vifc_lcl_addr = {s_addr = 3756520960},
     vifc_lcl_ifindex = 4}, vifc_rmt_addr = {s_addr = 575366855}}.
 
 
 can anyone suggest what could be the problem here.
 
 Regards,
 Deepak
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