diff mbox series

RDMA/rxe: Generate a completion on error after getting a wqe

Message ID 20220328095436.304063-1-yangx.jy@fujitsu.com (mailing list archive)
State Superseded
Headers show
Series RDMA/rxe: Generate a completion on error after getting a wqe | expand

Commit Message

Xiao Yang March 28, 2022, 9:54 a.m. UTC
Current rxe_requester() doesn't generate a completion on error after
getting a wqe. Fix the issue by calling "goto err;" instead.

Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
---
 drivers/infiniband/sw/rxe/rxe_req.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Leon Romanovsky March 28, 2022, 11:27 a.m. UTC | #1
On Mon, Mar 28, 2022 at 05:54:36PM +0800, Xiao Yang wrote:
> Current rxe_requester() doesn't generate a completion on error after
> getting a wqe. Fix the issue by calling "goto err;" instead.
> 
> Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
> ---
>  drivers/infiniband/sw/rxe/rxe_req.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Don't you need to set wqe->status too to have complete fix?

Thanks

> 
> diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
> index ae5fbc79dd5c..6f8dd2b3b817 100644
> --- a/drivers/infiniband/sw/rxe/rxe_req.c
> +++ b/drivers/infiniband/sw/rxe/rxe_req.c
> @@ -648,26 +648,26 @@ int rxe_requester(void *arg)
>  		psn_compare(qp->req.psn, (qp->comp.psn +
>  				RXE_MAX_UNACKED_PSNS)) > 0)) {
>  		qp->req.wait_psn = 1;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	/* Limit the number of inflight SKBs per QP */
>  	if (unlikely(atomic_read(&qp->skb_out) >
>  		     RXE_INFLIGHT_SKBS_PER_QP_HIGH)) {
>  		qp->need_req_skb = 1;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	opcode = next_opcode(qp, wqe, wqe->wr.opcode);
>  	if (unlikely(opcode < 0)) {
>  		wqe->status = IB_WC_LOC_QP_OP_ERR;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	mask = rxe_opcode[opcode].mask;
>  	if (unlikely(mask & RXE_READ_OR_ATOMIC_MASK)) {
>  		if (check_init_depth(qp, wqe))
> -			goto exit;
> +			goto err;
>  	}
>  
>  	mtu = get_mtu(qp);
> -- 
> 2.23.0
> 
> 
>
Xiao Yang March 28, 2022, 3:12 p.m. UTC | #2
On 2022/3/28 19:27, Leon Romanovsky wrote:
> On Mon, Mar 28, 2022 at 05:54:36PM +0800, Xiao Yang wrote:
>> Current rxe_requester() doesn't generate a completion on error after
>> getting a wqe. Fix the issue by calling "goto err;" instead.
>>
>> Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
>> ---
>>   drivers/infiniband/sw/rxe/rxe_req.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
> Don't you need to set wqe->status too to have complete fix?

Hi Leon,

Agreed.  I will set wqe->status to IB_WC_LOC_QP_OP_ERR in my v2 patch.

Best Regards,

Xiao Yang

>
> Thanks
>
>> diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
>> index ae5fbc79dd5c..6f8dd2b3b817 100644
>> --- a/drivers/infiniband/sw/rxe/rxe_req.c
>> +++ b/drivers/infiniband/sw/rxe/rxe_req.c
>> @@ -648,26 +648,26 @@ int rxe_requester(void *arg)
>>   		psn_compare(qp->req.psn, (qp->comp.psn +
>>   				RXE_MAX_UNACKED_PSNS)) > 0)) {
>>   		qp->req.wait_psn = 1;
>> -		goto exit;
>> +		goto err;
>>   	}
>>   
>>   	/* Limit the number of inflight SKBs per QP */
>>   	if (unlikely(atomic_read(&qp->skb_out) >
>>   		     RXE_INFLIGHT_SKBS_PER_QP_HIGH)) {
>>   		qp->need_req_skb = 1;
>> -		goto exit;
>> +		goto err;
>>   	}
>>   
>>   	opcode = next_opcode(qp, wqe, wqe->wr.opcode);
>>   	if (unlikely(opcode < 0)) {
>>   		wqe->status = IB_WC_LOC_QP_OP_ERR;
>> -		goto exit;
>> +		goto err;
>>   	}
>>   
>>   	mask = rxe_opcode[opcode].mask;
>>   	if (unlikely(mask & RXE_READ_OR_ATOMIC_MASK)) {
>>   		if (check_init_depth(qp, wqe))
>> -			goto exit;
>> +			goto err;
>>   	}
>>   
>>   	mtu = get_mtu(qp);
>> -- 
>> 2.23.0
>>
>>
>>
diff mbox series

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index ae5fbc79dd5c..6f8dd2b3b817 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -648,26 +648,26 @@  int rxe_requester(void *arg)
 		psn_compare(qp->req.psn, (qp->comp.psn +
 				RXE_MAX_UNACKED_PSNS)) > 0)) {
 		qp->req.wait_psn = 1;
-		goto exit;
+		goto err;
 	}
 
 	/* Limit the number of inflight SKBs per QP */
 	if (unlikely(atomic_read(&qp->skb_out) >
 		     RXE_INFLIGHT_SKBS_PER_QP_HIGH)) {
 		qp->need_req_skb = 1;
-		goto exit;
+		goto err;
 	}
 
 	opcode = next_opcode(qp, wqe, wqe->wr.opcode);
 	if (unlikely(opcode < 0)) {
 		wqe->status = IB_WC_LOC_QP_OP_ERR;
-		goto exit;
+		goto err;
 	}
 
 	mask = rxe_opcode[opcode].mask;
 	if (unlikely(mask & RXE_READ_OR_ATOMIC_MASK)) {
 		if (check_init_depth(qp, wqe))
-			goto exit;
+			goto err;
 	}
 
 	mtu = get_mtu(qp);