On 4/18/2016 3:43 PM, Or Gerlitz wrote:
> On Mon, Apr 18, 2016 at 7:25 PM, Majd Dibbiny <majd@xxxxxxxxxxxx> wrote:
>> From: Bodong Wang <bodong@xxxxxxxxxxxx>
>>
>> LSO capabilities include the max LSO packet size in byte, and what QP
>> types the hardware supports.
> size in bytes
>
>> Relevant verbs to report LSO caps from kernel to user space is updated
>> accordingly.
> verbs ... is --> verbs ... are
>
>> Signed-off-by: Bodong Wang <bodong@xxxxxxxxxxxx>
>> Signed-off-by: Majd Dibbiny <majd@xxxxxxxxxxxx>
>> Signed-off-by: Matan Barak <matanb@xxxxxxxxxxxx>
>> ---
>> drivers/infiniband/core/uverbs_cmd.c | 7 +++++++
>> include/rdma/ib_verbs.h | 6 ++++++
>> include/uapi/rdma/ib_user_verbs.h | 6 ++++++
>> 3 files changed, 19 insertions(+)
>>
>> diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
>> index 6fdc7ec..b0fb94b 100644
>> --- a/drivers/infiniband/core/uverbs_cmd.c
>> +++ b/drivers/infiniband/core/uverbs_cmd.c
>> @@ -3655,6 +3655,13 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
>> resp.hca_core_clock = attr.hca_core_clock;
>> resp.response_length += sizeof(resp.hca_core_clock);
>>
>> + if (ucore->outlen < resp.response_length + sizeof(resp.lso_caps))
>> + goto end;
>> +
>> + resp.lso_caps.max_lso = attr.lso_caps.max_lso;
>> + resp.lso_caps.supported_qpts = attr.lso_caps.supported_qpts;
>> + resp.response_length += sizeof(resp.lso_caps);
>> +
>> end:
>> err = ib_copy_to_udata(ucore, &resp, resp.response_length);
>> return err;
>> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
>> index fb2cef4..d5a466f 100644
>> --- a/include/rdma/ib_verbs.h
>> +++ b/include/rdma/ib_verbs.h
>> @@ -271,6 +271,11 @@ struct ib_cq_init_attr {
>> u32 flags;
>> };
>>
>> +struct ib_lso_caps {
>> + u32 max_lso;
>> + u32 supported_qpts; /* Use enum ib_qp_type */
>> +};
>> +
>> struct ib_device_attr {
>> u64 fw_ver;
>> __be64 sys_image_guid;
>> @@ -317,6 +322,7 @@ struct ib_device_attr {
>> struct ib_odp_caps odp_caps;
>> uint64_t timestamp_mask;
>> uint64_t hca_core_clock; /* in KHZ */
>> + struct ib_lso_caps lso_caps;
>> };
>>
>> enum ib_mtu {
>> diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
>> index 8126c14..fa039f5 100644
>> --- a/include/uapi/rdma/ib_user_verbs.h
>> +++ b/include/uapi/rdma/ib_user_verbs.h
>> @@ -219,6 +219,11 @@ struct ib_uverbs_odp_caps {
>> __u32 reserved;
>> };
>>
>> +struct ib_uverbs_lso_caps {
>> + __u32 max_lso;
>> + __u32 supported_qpts; /* Use enum ib_qp_type */
>> +};
>> +
>> struct ib_uverbs_ex_query_device_resp {
>> struct ib_uverbs_query_device_resp base;
>> __u32 comp_mask;
>> @@ -226,6 +231,7 @@ struct ib_uverbs_ex_query_device_resp {
>> struct ib_uverbs_odp_caps odp_caps;
>> __u64 timestamp_mask;
>> __u64 hca_core_clock; /* in KHZ */
>> + struct ib_uverbs_lso_caps lso_caps;
>> };
Will fix. Thanks.
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