From: Noa Osherovich <noaos@xxxxxxxxxxxx>
Expose raw packet capabilities to user space as part of query device.
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Reviewed-by: Maor Gottlieb <maorg@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/infiniband/core/uverbs_cmd.c | 6 ++++++
include/uapi/rdma/ib_user_verbs.h | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 7007822..48c7852 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -4323,6 +4323,12 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
resp.max_wq_type_rq = attr.max_wq_type_rq;
resp.response_length += sizeof(resp.max_wq_type_rq);
+
+ if (ucore->outlen < resp.response_length + sizeof(resp.raw_packet_caps))
+ goto end;
+
+ resp.raw_packet_caps = attr.raw_packet_caps;
+ resp.response_length += sizeof(resp.raw_packet_caps);
end:
err = ib_copy_to_udata(ucore, &resp, resp.response_length);
return err;
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index dfdfe4e..4811b6a 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -247,7 +247,7 @@ struct ib_uverbs_ex_query_device_resp {
__u64 device_cap_flags_ex;
struct ib_uverbs_rss_caps rss_caps;
__u32 max_wq_type_rq;
- __u32 reserved;
+ __u32 raw_packet_caps;
};
struct ib_uverbs_query_port {
--
2.10.2
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