RE: [PATCH for-4.2 0/1] RDMA/core: Fixes for port mapper client registration

["Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>]

> -----Original Message-----
> From: Tatyana Nikolova [mailto:Tatyana.E.Nikolova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org]
> Sent: Thursday, July 02, 2015 12:46 PM
> To: Doug Ledford
> Cc: john.s.lacombe-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org; swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org; linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Subject: [PATCH for-4.2 0/1] RDMA/core: Fixes for port mapper client registration
> 
> This patch has been reworked, but is very similar to the previously
> submitted (10/16/2014) patch, which was forgotten:
> 
> [PATCH 1/1] RDMA/core: Fixes for port mapper client registration
> https://www.mail-archive.com/linux-rdma%40vger.kernel.org/msg21512.html
> 
> This patch is addressing the same issue as the previous one -
> the clients which have provided their mapping info
> to the user space service after it is restarted, are treated as
> unregistered and are not allowed to make remove mapping requests.
> 
> If the user space port mapper service is restarted, it notifies
> the port mapper clients and they provide the mapping information they
> have in use. At this time with the fix the registration type of the client
> is set to IWPM_REG_INCOMPL and the client is allowed to make remove
> mapping requests to the user space service.
> 
> There are some improvements in the current patch:
> 1) Adding functions to set/check registration type
> 2) New clients (calling iwpm_init()) have their registration set to IWPM_REG_UNDEF
> 3) If the port mapper user space service is not available, then the client
>    registration stays IWPM_REG_UNDEF and the registration type won't be
>    checked until the service becomes available (obviously no mappings are
>    possible, if the user space service isn't running).
> 
> For these changes to take effect no provider changes are necessary.
> The patch contains fixes for the current registration logic.
> 

Hey Tatyana, how can I reproduce the original bug/issue and then test this fix on iw_cxgb4? 





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