tree ec3742a976bc9d3d2ce3baa4f76d23f0c61839c7
parent 4b5e3508792bb52884bed93b4d8730d6b956a5c2
author Allen.Wang <Allen_Wang@quantatw.com> 1715321848 +0800
committer Patrick Williams <patrick@stwcx.xyz> 1717017851 +0000

meta-facebook: yosemite4:Reconfig network interface for NIC hot service

While NIC hot remove/plug or replace another NIC,
it must down/up to NCSI re-initialization
and reconfigure net interface to recovery network link.

Tested:
build and test on yosemite4 system

NIC1 (eth0) connected CX7 NIC

root@bmc:~# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr E8:EB:D3:46:D8:71
          inet addr:10.10.14.236  Bcast:10.10.255.255  Mask:255.255.0.0
          inet6 addr: 2018:5::4ca9/128 Scope:Global
          inet6 addr: fe80::eaeb:d3ff:fe46:d871/64 Scope:Link
          inet6 addr: 2019:7::eaeb:d3ff:fe46:d871/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:23692 errors:0 dropped:11 overruns:0 frame:0
          TX packets:263 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2510627 (2.3 MiB)  TX bytes:21546 (21.0 KiB)
          Interrupt:42

Test 1: remove and plug same NIC

bmc still pingable

ping 10.10.14.236

Pinging 10.10.14.236 with 32 bytes of data:
Reply from 10.10.14.236: bytes=32 time=1ms TTL=64
Reply from 10.10.14.236: bytes=32 time=1ms TTL=64
Reply from 10.10.14.236: bytes=32 time=1ms TTL=64
Reply from 10.10.14.236: bytes=32 time<1ms TTL=64

Test2: Remove CX7 NIC and plug another BRCM NIC

eth0 will reconfigured by correct MAC address and its pingable

ifconfig eth0
eth0      Link encap:Ethernet  HWaddr D4:04:E6:36:58:19
          inet addr:10.10.12.226  Bcast:10.10.255.255  Mask:255.255.0.0
          inet6 addr: fe80::d604:e6ff:fe36:5819/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:25736 errors:0 dropped:12 overruns:0 frame:0
          TX packets:404 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2749245 (2.6 MiB)  TX bytes:32907 (32.1 KiB)
          Interrupt:42

ping 10.10.12.226

Pinging 10.10.12.226 with 32 bytes of data:
Reply from 10.10.12.226: bytes=32 time=1ms TTL=64
Reply from 10.10.12.226: bytes=32 time=1ms TTL=64
Reply from 10.10.12.226: bytes=32 time=7ms TTL=64
Reply from 10.10.12.226: bytes=32 time=1ms TTL=64

Change-Id: I8130eb4ba317ebd66378d646ca95e03dd7481fd7
Signed-off-by: Allen.Wang <Allen_Wang@quantatw.com>