porting onl - BCM5461S - ethtool no link / no autonegotiate / no transmit

[Johan Yavari]

Any ideas?

uname -a output:

root@localhost:~# uname -a
Linux localhost 3.16.76-OpenNetworkLinux-85xx #1 SMP Sun Mar 19 06:16:10 UTC 2023 ppc GNU/Linux
 

ifconfig output:

root@localhost:~# ifconfig ma1
ma1 Link encap:Ethernet HWaddr 00:30:ab:2e:45:44
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:16853 errors:0 dropped:414 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2247973 (2.1 MiB) TX bytes:0 (0.0 B)
Base address:0xe000

The NIC receives packets, as indicated by ifconfig output above and tcpdump output below:

root@localhost:~# tcpdump -i ma1
device ma1 entered promiscuous mode
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ma1, link-type EN10MB (Ethernet), capture size 262144 bytes
00:28:21.542348 ARP, Request who-has 10.1.1.108 tell 10.1.1.4, length 46
00:28:21.680745 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id 8000.00:1f:12:3a:11:41.821d, length 43
00:28:22.047322 ARP, Request who-has 10.1.1.240 tell 10.1.1.240, length 46
00:28:22.109159 ARP, Request who-has 10.1.3.232 tell 10.1.1.6, length 46
[ ... keeps going ...]

ethtool reports no link detected and speed/duplex unknown. See output below:

root@localhost:~# ethtool ma1
Settings for ma1:
Supported ports: [ MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Speed: Unknown!
Duplex: Unknown! (255)
Port: MII
PHYAD: 1
Transceiver: external
Auto-negotiation: on
Current message level: 0x0000003f (63)
drv probe link timer ifdown ifup
Link detected: no
 

mii-tool reports auto-negotiation completed and link ok. See output below:

root@localhost:~# mii-tool ma1 -vvvv
Using SIOCGMIIPHY=0x8947
ma1: negotiated 1000baseT-FD flow-control, link ok
registers for MII PHY 1:
1140 796d 0020 60c1 0de1 c5e1 000d 2001
4e8a 0200 3800 0000 0000 0000 0000 3000
0000 1301 0000 0000 0101 0000 0000 0000
0400 ff1f 043e fff1 0000 337b 0000 0000
product info: vendor 00:08:18, model 12 rev 1
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
 

[Johan Yavari]

This fixed it... didn't realize bcm5461 and bcm5461s were different enough to cause an issue....

https://www.uwsg.indiana.edu/hypermail/linux/kernel/0609.1/2317.html