[ofa-general] Resizing SRQ

Gleb Natapov glebn at voltaire.com
Wed Jan 23 07:11:14 PST 2008


On Wed, Jan 23, 2008 at 04:57:07PM +0200, Dotan Barak wrote:
> Gleb Natapov wrote:
>> Hi,
>>
>> I want to enlarge SRQ by using modify_srq() verb. IB Spec says that it is
>> possible, but looking at the libmlx4 code I see that modify_srq() is
>> implemented like this:
>> int mlx4_modify_srq(struct ibv_srq *srq,
>>                      struct ibv_srq_attr *attr,
>>                      enum ibv_srq_attr_mask attr_mask)
>> {
>>         struct ibv_modify_srq cmd;
>>
>>         return ibv_cmd_modify_srq(srq, attr, attr_mask, &cmd, sizeof cmd);
>> }
>> I don't see buffer reallocations here, so do I miss something or HW/SW
>> don't support this yet?
>>   
> Resize SRQ is not supported by the mlx4 low level driver.
>
Well I guess it is not implemented for mthca too then since libmthca
function looks the same. Is there any plans to implement it?

--
			Gleb.



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