be2net: Fix mac address collision in some configurations

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If the device mac address is updated using ndo_set_mac_address(),
while the same mac address is already programmed, the driver does not
detect this condition if its netdev->dev_addr has been changed. The
driver tries to add the same mac address resulting in mac address
collision error. This has been observed in bonding mode-5 configuration.

To fix this, store the mac address configured in HW in the adapter
structure. Use this to compare against the new address being updated
to avoid collision.

Signed-off-by: Suresh Reddy <Suresh.Reddy@broadcom.com>
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Suresh Reddy 2016-09-07 19:57:53 +05:30 • committed by David S. Miller

parent 988d44b163

commit c27ebf5851

2 changed files with 5 additions and 2 deletions

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1

drivers/net/ethernet/emulex/benet/be.h

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6

drivers/net/ethernet/emulex/benet/be_main.c

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