Re: [PATCH IB/core 2/2] IB/cm: Send authentic pkey in REQ msg and check eligibility of the pkeys

[HÃkon Bugge]

> On 16 May 2018, at 20:01, Jason Gunthorpe <jgg@xxxxxxxx> wrote:
> 
> On Wed, May 16, 2018 at 07:46:10PM +0200, HÃkon Bugge wrote:
> 
>>   OK. Lets take one example. The pkey table contains 0xFFFF, 0x8001,
>>   0x0001.
>> 
>>   The wce.pkey_index is 1 (i.e., pointing to 0x8001). Now, tell me, was
>>   BTH.PKey 0x8001 (matches 0x8001) or was it 0x0001 (also matching
>>   0x8001) ?
> 
> As far as the Linux core is concerned, it must have been 0x8001,
> because the only way the pkey_index feature works properly is if
> exact-match takes precedence over in-exact match.

And now if the table only contains 0xFFFF, 0x8001, how do you tell?


HÃkon