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[Talat Batheesh <1312419@xxxxxxxxxxxxxxxxxx>]

Hi Rafael,

 Unfortunately, after installing the PPA, the udaddy test still fail on Ubuntu 14.04.3 LTS.
Tested with ConnectX3-pro.


root # udaddy -b 1.1.1.1
udaddy: starting server
receiving data transfers

^C
root# uname -r
3.13.0-68-generic
root# cat /etc/issue
Ubuntu 14.04.3 LTS \n \l


Client side 
# udaddy  -s 1.1.1.1 -b 1.1.1.2
udaddy: starting client
udaddy: connecting
udaddy: failure creating address handle
test complete
return status -1

As a reference, may we need to add the following patches that mentioned in Bug #1364442 
“
Ubuntu is missing some code to make this work. The issue is that libmlx4 and libibverbs is missing the code for RoCE UD neighboor code.
Here I found the series of patches needed:
For libmlx4:
[PATCH libmlx4 V4 0/2] Add RoCE IP based addressing support for UD QPs
[PATCH libmlx4 V4 1/2] Add ibv_query_port caching support
[PATCH libmlx4 V4 2/2] Add RoCE IP based addressing support for UD QPs
For libibverbs:
[PATCH libibverbs V5 0/2] Use neighbour lookup for RoCE UD QPs Eth L2 resolution
[PATCH libibverbs V5 1/2] Add ibv_port_cap_flags
[PATCH libibverbs V5 2/2] Use neighbour lookup for RoCE UD QPs Eth L2 resolution
”

Yours,
Talat

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to libnl3 in Ubuntu.
https://bugs.launchpad.net/bugs/1312419

Title:
  nl_cache_refill; rtnl_neigh_get fail to find neighbors in cache

Status in libnl3 package in Ubuntu:
  In Progress

Bug description:
  Retrieving information about configured neighbors fail 
  my application is running the following procedure:

  neigh = NULL;
  cache = rtnl_neigh_alloc_cache(sk);
  while(NULL == neigh){
      nl_cache_refill(sk, chache);
      neigh = rtnl_neigh_get(cache, ifindex, dst_addr);
  }

  with libnl3 3.2.21-1 this loop will never end, even when adding a static arp entry.
  However, with libnl-3.2.24 the neighbor lookup succeed.

  additional general info:
  $ lsb_release -rd
  Description:    Ubuntu 14.04 LTS
  Release:        14.04
  $ uname -r
  3.13.0-24-generic
  $ apt-cache policy libnl-genl-3-200 libnl-route-3-200
  libnl-genl-3-200:
    Installed: 3.2.21-1
    Candidate: 3.2.21-1
    Version table:
   *** 3.2.21-1 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status
  libnl-route-3-200:
    Installed: 3.2.21-1
    Candidate: 3.2.21-1
    Version table:
   *** 3.2.21-1 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

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