From: Artemy Kovalyov <artemyko@xxxxxxxxxxxx>
Userspace also needs to know if the port requires GRHs to properly form
the AVs it creates.
Signed-off-by: Artemy Kovalyov <artemyko@xxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/uverbs_cmd.c | 3 +++
include/uapi/rdma/ib_user_ioctl_verbs.h | 4 ++++
include/uapi/rdma/ib_user_verbs.h | 3 ++-
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index a5e31af634f3..db3ad4dacf68 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -294,6 +294,9 @@ ssize_t ib_uverbs_query_port(struct ib_uverbs_file *file,
resp.qkey_viol_cntr = attr.qkey_viol_cntr;
resp.pkey_tbl_len = attr.pkey_tbl_len;
+ if (rdma_is_grh_required(ib_dev, cmd.port_num))
+ resp.flags |= IB_UVERBS_QPF_GRH_REQUIRED;
+
if (rdma_cap_opa_ah(ib_dev, cmd.port_num)) {
resp.lid = OPA_TO_IB_UCAST_LID(attr.lid);
resp.sm_lid = OPA_TO_IB_UCAST_LID(attr.sm_lid);
diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h
index 1220f1df3ded..a81d853bf25d 100644
--- a/include/uapi/rdma/ib_user_ioctl_verbs.h
+++ b/include/uapi/rdma/ib_user_ioctl_verbs.h
@@ -78,6 +78,10 @@ enum ib_uverbs_query_port_cap_flags {
IB_UVERBS_PCF_IP_BASED_GIDS = 1 << 26,
};
+enum ib_uverbs_query_port_flags {
+ IB_UVERBS_QPF_GRH_REQUIRED = 1 << 0,
+};
+
enum ib_uverbs_flow_action_esp_keymat {
IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM,
};
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 0a9070abb3f8..25a16760de2a 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -299,7 +299,8 @@ struct ib_uverbs_query_port_resp {
__u8 active_speed;
__u8 phys_state;
__u8 link_layer;
- __u8 reserved[2];
+ __u8 flags; /* see ib_uverbs_query_port_flags */
+ __u8 reserved;
};
struct ib_uverbs_alloc_pd {
--
2.14.4
--
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