In cm_req_handler(), unify the check for RoCE and re-factor to avoid one test. Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Fixes: 8f9748602491 ("IB/cm: Reduce dependency on gid attribute ndev check") Fixes: 194f64a3cad3 ("RDMA/core: Fix corrupted SL on passive side") Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com> --- drivers/infiniband/core/cm.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 32c836b..074faff 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -2138,21 +2138,17 @@ static int cm_req_handler(struct cm_work *work) goto destroy; } - if (cm_id_priv->av.ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE) - cm_process_routed_req(req_msg, work->mad_recv_wc->wc); - memset(&work->path[0], 0, sizeof(work->path[0])); if (cm_req_has_alt_path(req_msg)) memset(&work->path[1], 0, sizeof(work->path[1])); grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr); gid_attr = grh->sgid_attr; - if (gid_attr && - rdma_protocol_roce(work->port->cm_dev->ib_device, - work->port->port_num)) { + if (gid_attr && cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) { work->path[0].rec_type = sa_conv_gid_to_pathrec_type(gid_attr->gid_type); } else { + cm_process_routed_req(req_msg, work->mad_recv_wc->wc); cm_path_set_rec_type( work->port->cm_dev->ib_device, work->port->port_num, &work->path[0], -- 1.8.3.1
On Tue, Apr 06, 2021 at 12:37:03PM +0200, Håkon Bugge wrote:
> In cm_req_handler(), unify the check for RoCE and re-factor to avoid
> one test.
>
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Fixes: 8f9748602491 ("IB/cm: Reduce dependency on gid attribute ndev check")
> Fixes: 194f64a3cad3 ("RDMA/core: Fix corrupted SL on passive side")
> Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
> ---
> drivers/infiniband/core/cm.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index 32c836b..074faff 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -2138,21 +2138,17 @@ static int cm_req_handler(struct cm_work *work)
> goto destroy;
> }
>
> - if (cm_id_priv->av.ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE)
> - cm_process_routed_req(req_msg, work->mad_recv_wc->wc);
> -
> memset(&work->path[0], 0, sizeof(work->path[0]));
> if (cm_req_has_alt_path(req_msg))
> memset(&work->path[1], 0, sizeof(work->path[1]));
> grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
> gid_attr = grh->sgid_attr;
>
> - if (gid_attr &&
> - rdma_protocol_roce(work->port->cm_dev->ib_device,
> - work->port->port_num)) {
> + if (gid_attr && cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) {
I think your other note was right, the gid_attr cannot be NULL when in
ROCE mode, so we can delete the 'gid_attr &&' term too
Jason
> On 8 Apr 2021, at 14:25, Jason Gunthorpe <jgg@nvidia.com> wrote:
>
> On Tue, Apr 06, 2021 at 12:37:03PM +0200, Håkon Bugge wrote:
>> In cm_req_handler(), unify the check for RoCE and re-factor to avoid
>> one test.
>>
>> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
>> Fixes: 8f9748602491 ("IB/cm: Reduce dependency on gid attribute ndev check")
>> Fixes: 194f64a3cad3 ("RDMA/core: Fix corrupted SL on passive side")
>> Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
>> ---
>> drivers/infiniband/core/cm.c | 8 ++------
>> 1 file changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
>> index 32c836b..074faff 100644
>> --- a/drivers/infiniband/core/cm.c
>> +++ b/drivers/infiniband/core/cm.c
>> @@ -2138,21 +2138,17 @@ static int cm_req_handler(struct cm_work *work)
>> goto destroy;
>> }
>>
>> - if (cm_id_priv->av.ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE)
>> - cm_process_routed_req(req_msg, work->mad_recv_wc->wc);
>> -
>> memset(&work->path[0], 0, sizeof(work->path[0]));
>> if (cm_req_has_alt_path(req_msg))
>> memset(&work->path[1], 0, sizeof(work->path[1]));
>> grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
>> gid_attr = grh->sgid_attr;
>>
>> - if (gid_attr &&
>> - rdma_protocol_roce(work->port->cm_dev->ib_device,
>> - work->port->port_num)) {
>> + if (gid_attr && cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) {
>
> I think your other note was right, the gid_attr cannot be NULL when in
> ROCE mode, so we can delete the 'gid_attr &&' term too
Shall I send a v2 or do you fix it when you merge?
Håkon
> On 8 Apr 2021, at 15:24, Haakon Bugge <haakon.bugge@oracle.com> wrote:
>
>
>
>> On 8 Apr 2021, at 14:25, Jason Gunthorpe <jgg@nvidia.com> wrote:
>>
>> On Tue, Apr 06, 2021 at 12:37:03PM +0200, Håkon Bugge wrote:
>>> In cm_req_handler(), unify the check for RoCE and re-factor to avoid
>>> one test.
>>>
>>> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
>>> Fixes: 8f9748602491 ("IB/cm: Reduce dependency on gid attribute ndev check")
>>> Fixes: 194f64a3cad3 ("RDMA/core: Fix corrupted SL on passive side")
>>> Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
>>> ---
>>> drivers/infiniband/core/cm.c | 8 ++------
>>> 1 file changed, 2 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
>>> index 32c836b..074faff 100644
>>> --- a/drivers/infiniband/core/cm.c
>>> +++ b/drivers/infiniband/core/cm.c
>>> @@ -2138,21 +2138,17 @@ static int cm_req_handler(struct cm_work *work)
>>> goto destroy;
>>> }
>>>
>>> - if (cm_id_priv->av.ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE)
>>> - cm_process_routed_req(req_msg, work->mad_recv_wc->wc);
>>> -
>>> memset(&work->path[0], 0, sizeof(work->path[0]));
>>> if (cm_req_has_alt_path(req_msg))
>>> memset(&work->path[1], 0, sizeof(work->path[1]));
>>> grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
>>> gid_attr = grh->sgid_attr;
>>>
>>> - if (gid_attr &&
>>> - rdma_protocol_roce(work->port->cm_dev->ib_device,
>>> - work->port->port_num)) {
>>> + if (gid_attr && cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) {
>>
>> I think your other note was right, the gid_attr cannot be NULL when in
>> ROCE mode, so we can delete the 'gid_attr &&' term too
>
> Shall I send a v2 or do you fix it when you merge?
Have you made up you mind here :-)
Håkon
On Mon, Apr 19, 2021 at 03:49:08PM +0000, Haakon Bugge wrote:
> >> On 8 Apr 2021, at 14:25, Jason Gunthorpe <jgg@nvidia.com> wrote:
> >>
> >> On Tue, Apr 06, 2021 at 12:37:03PM +0200, Håkon Bugge wrote:
> >>> In cm_req_handler(), unify the check for RoCE and re-factor to avoid
> >>> one test.
> >>>
> >>> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> >>> Fixes: 8f9748602491 ("IB/cm: Reduce dependency on gid attribute ndev check")
> >>> Fixes: 194f64a3cad3 ("RDMA/core: Fix corrupted SL on passive side")
> >>> Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
> >>> drivers/infiniband/core/cm.c | 8 ++------
> >>> 1 file changed, 2 insertions(+), 6 deletions(-)
> >>>
> >>> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> >>> index 32c836b..074faff 100644
> >>> +++ b/drivers/infiniband/core/cm.c
> >>> @@ -2138,21 +2138,17 @@ static int cm_req_handler(struct cm_work *work)
> >>> goto destroy;
> >>> }
> >>>
> >>> - if (cm_id_priv->av.ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE)
> >>> - cm_process_routed_req(req_msg, work->mad_recv_wc->wc);
> >>> -
> >>> memset(&work->path[0], 0, sizeof(work->path[0]));
> >>> if (cm_req_has_alt_path(req_msg))
> >>> memset(&work->path[1], 0, sizeof(work->path[1]));
> >>> grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
> >>> gid_attr = grh->sgid_attr;
> >>>
> >>> - if (gid_attr &&
> >>> - rdma_protocol_roce(work->port->cm_dev->ib_device,
> >>> - work->port->port_num)) {
> >>> + if (gid_attr && cm_id_priv->av.ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) {
> >>
> >> I think your other note was right, the gid_attr cannot be NULL when in
> >> ROCE mode, so we can delete the 'gid_attr &&' term too
> >
> > Shall I send a v2 or do you fix it when you merge?
>
> Have you made up you mind here :-)
Well, I marked it as changes-requested so I guess I did..
But anyway I'll fix it up, it does look obviously correct
Applied to for-next
Jason