[LU-17894] Wrong default lnet/lnd params

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Chris Horn
• Reporter: Chris Horn

Description

Regression introduced by

7e01787863 LU-12452 lnet: allow to set IP ToS value per-NI

The peer_timeout parameter is no longer being set to its default value correctly. This may have impacted other parameters as well.

cassini-hosta:/home/hornc/lustre-wc-rel/lustre/tests # lnetctl net add --net tcp --if cxi0
sh: /usr/sbin/ksocklnd-config: No such file or directory
cassini-hosta:/home/hornc/lustre-wc-rel/lustre/tests # lnetctl net show -v
net:
-     net type: lo
      local NI(s):
      -     nid: 0@lo
            status: up
            statistics:
                  send_count: 0
                  recv_count: 0
                  drop_count: 0
            tunables:
                  peer_timeout: 0
                  peer_credits: 0
                  peer_buffer_credits: 0
                  credits: 0
            dev cpt: 0
            CPT: "[0,1,2,3,4,5,6,7]"
-     net type: tcp
      local NI(s):
      -     nid: 172.18.2.1@tcp
            status: up
            interfaces:
                  0: cxi0
            statistics:
                  send_count: 0
                  recv_count: 0
                  drop_count: 0
            tunables:
                  peer_timeout: 0
                  peer_credits: 8
                  peer_buffer_credits: 0
                  credits: 256
            lnd tunables:
                  conns_per_peer: 4
                  timeout: 49
                  tos: -1
            dev cpt: 4
            CPT: "[0,1,2,3,4,5,6,7]"
cassini-hosta:/home/hornc/lustre-wc-rel/lustre/tests #

We can see peer_timeout is 0 when it ought to be 180.