[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CA+sbYW36txPueFBWFOWigHu_XmnTPY+-Vdu5MmGeOQ7uFjrWag@mail.gmail.com>
Date: Mon, 13 Feb 2017 10:47:10 +0530
From: Selvin Xavier <selvin.xavier@...adcom.com>
To: Leon Romanovsky <leon@...nel.org>
Cc: Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org,
Linux Netdev List <netdev@...r.kernel.org>,
Eddie Wai <eddie.wai@...adcom.com>,
Devesh Sharma <devesh.sharma@...adcom.com>,
Somnath Kotur <somnath.kotur@...adcom.com>,
Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>
Subject: Re: [PATCH V5 for-next 16/21] RDMA/bnxt_re: Support poll_cq verb
On Sun, Feb 12, 2017 at 8:00 PM, Leon Romanovsky <leon@...nel.org> wrote:
>> +static u8 __rc_to_ib_wc_status(u8 qstatus)
>> +{
>> + switch (qstatus) {
>> + case CQ_RES_RC_STATUS_OK:
>> + return IB_WC_SUCCESS;
>> + case CQ_RES_RC_STATUS_LOCAL_ACCESS_ERROR:
>> + return IB_WC_LOC_ACCESS_ERR;
>> + case CQ_RES_RC_STATUS_LOCAL_LENGTH_ERR:
>> + return IB_WC_LOC_LEN_ERR;
>> + case CQ_RES_RC_STATUS_LOCAL_PROTECTION_ERR:
>> + return IB_WC_LOC_PROT_ERR;
>> + case CQ_RES_RC_STATUS_LOCAL_QP_OPERATION_ERR:
>> + return IB_WC_LOC_QP_OP_ERR;
>> + case CQ_RES_RC_STATUS_MEMORY_MGT_OPERATION_ERR:
>> + return IB_WC_GENERAL_ERR;
>> + case CQ_RES_RC_STATUS_REMOTE_INVALID_REQUEST_ERR:
>> + return IB_WC_REM_INV_REQ_ERR;
>> + case CQ_RES_RC_STATUS_WORK_REQUEST_FLUSHED_ERR:
>> + return IB_WC_WR_FLUSH_ERR;
>> + case CQ_RES_RC_STATUS_HW_FLUSH_ERR:
>> + return IB_WC_WR_FLUSH_ERR;
>> + default:
>> + return IB_WC_GENERAL_ERR;
>> + }
>> +}
>> +
>
> Why don't you use these defines directly?
CQ_RES* values are returned by the HW and these values are
different from the corresponding IB_WC status values. say,
CQ_RES_RC_STATUS_HW_FLUSH_ERR is 8 where as
IB_WC_WR_FLUSH_ERR is 5.
So we thought it is better to map these values in a function rather
than having a switch/case in the calling function.
Let me know if you meant something different in your query.
Powered by blists - more mailing lists