On Fri, Feb 07, 2025 at 01:36:15PM -0800, lon...@linuxonhyperv.com wrote:
> From: Long Li <lon...@microsoft.com>
> 
> When populating GID cache for net devices in a bonded setup, it should use 
> the master device's
> address whenever applicable.
> 
> The current code has some incorrect behaviors when dealing with bonded 
> devices:
> 1. It adds IP of bonded slave to the GID cache when the device is already 
> bonded
> 2. It adds IP of bonded slave to the GID cache when the device becomes bonded 
> (via NETDEV_CHANGEUPPER notifier)
> 3. When a bonded slave device is unbonded, it doesn't add its IP to the 
> default table in GID cache.

I took a look at the patches and would like to see the reasoning why
current behaviour is incorrect and need to be changed. In addition,
there is a need to add examples of what is "broken" now and will start
to work after the fixes.

Thanks


> 
> The patchset fixes those issues.
> 
> Changes log:
> v2: Added cover letter explaining the overall problem and current behaviors.
> 
> Long Li (3):
>   IB/core: Do not use netdev IP if it is a bonded slave
>   IB/core: Use upper_device_filter to add upper ips
>   IB/core: Add default IP when a slave is unlinked
> 
>  drivers/infiniband/core/roce_gid_mgmt.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> -- 
> 2.34.1
> 

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