Re: [PATCH] RDMA/rxe: Fix wrong port_cap_flags

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> On Sep 6, 2021, at 3:21 PM, Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote:
> 
> On Tue, Aug 31, 2021 at 4:32 PM Junji Wei <weijunji@xxxxxxxxxxxxx> wrote:
>> 
>> The port->attr.port_cap_flags should be set to enum
>> ib_port_capability_mask_bits in ib_mad.h,
>> not RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP.
>> 
>> Signed-off-by: Junji Wei <weijunji@xxxxxxxxxxxxx>
>> ---
>> drivers/infiniband/sw/rxe/rxe_param.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
>> index 742e6ec93686..b5a70cbe94aa 100644
>> --- a/drivers/infiniband/sw/rxe/rxe_param.h
>> +++ b/drivers/infiniband/sw/rxe/rxe_param.h
>> @@ -113,7 +113,7 @@ enum rxe_device_param {
>> /* default/initial rxe port parameters */
>> enum rxe_port_param {
>>        RXE_PORT_GID_TBL_LEN            = 1024,
>> -       RXE_PORT_PORT_CAP_FLAGS         = RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP,
>> +       RXE_PORT_PORT_CAP_FLAGS         = IB_PORT_CM_SUP,
> 
> RXE_PORT_PORT_CAP_FLAGS         = IB_PORT_CM_SUP |
> RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP,
> 
> Is it better?
> 
> Zhu Yanjun

I don’t think so.

Because RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP(0x800000)
means IB_PORT_BOOT_MGMT_SUP(1 << 23) in ib_mad.h.
RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP should be used for
port’s core_cap_flags.

> 
>>        RXE_PORT_MAX_MSG_SZ             = 0x800000,
>>        RXE_PORT_BAD_PKEY_CNTR          = 0,
>>        RXE_PORT_QKEY_VIOL_CNTR         = 0,
>> --
>> 2.30.1 (Apple Git-130)
>> 





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