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Description of problem:
After setting up bonding over 2 1000MBit Broadcom cards using the tg3
driver and arp ping as failover monitor, the bonding driver doesnt
initiate the failover after losing the link and/or turning the switch
off. Using the same tg3 driver and the same hardware with miimon (link
detection) its working.
To get it worse: with the original broadcom drivers the same scenario
is working with arp ping. For testing I used the
bcm5700-7.1.9-1.src.rpm package from broadcom and built it on rhel3.
These are open source drivers and published under the terms of the gpl.


Version-Release number of selected component (if applicable):
kernel-2.4.21-9.0.1.EL

How reproducible:
Always

Steps to Reproduce:
1.set up bonding with two broadcom cards
2.use these options in /etc/modules.conf:
alias eth0 bcm5700
alias eth1 bcm5700
alias bond0 bonding
options bond0 mode=1 multicast=1 arp_interval=1000
arp_ip_target=192.168.48.10 primary=eth0
options bcm5700 line_speed=1000,1000 full_duplex=1,1
3.now try to break the link for eth0
    

Actual Results:  no failover will happen

Expected Results:  a failover to eth1 should be initiated

Additional info:

while using the same bonding options with the original broadcom driver
and the same hardware, everything works fine and as expected.