From: Noa Osherovich <noaos@xxxxxxxxxxxx>
Enable user space application via WQ creation and modification to
turn on and off cvlan offload.
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 | 9 ++++++++-
include/uapi/rdma/ib_user_verbs.h | 4 ++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 48c7852..014143a 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3325,6 +3325,9 @@ int ib_uverbs_ex_create_wq(struct ib_uverbs_file *file,
wq_init_attr.wq_context = file;
wq_init_attr.wq_type = cmd.wq_type;
wq_init_attr.event_handler = ib_uverbs_wq_event_handler;
+ if (ucore->inlen >= (offsetof(typeof(cmd), create_flags) +
+ sizeof(cmd.create_flags)))
+ wq_init_attr.create_flags = cmd.create_flags;
obj->uevent.events_reported = 0;
INIT_LIST_HEAD(&obj->uevent.event_list);
wq = pd->device->create_wq(pd, &wq_init_attr, uhw);
@@ -3480,7 +3483,7 @@ int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file,
if (!cmd.attr_mask)
return -EINVAL;
- if (cmd.attr_mask > (IB_WQ_STATE | IB_WQ_CUR_STATE))
+ if (cmd.attr_mask > (IB_WQ_STATE | IB_WQ_CUR_STATE | IB_WQ_FLAGS))
return -EINVAL;
wq = idr_read_wq(cmd.wq_handle, file->ucontext);
@@ -3489,6 +3492,10 @@ int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file,
wq_attr.curr_wq_state = cmd.curr_wq_state;
wq_attr.wq_state = cmd.wq_state;
+ if (cmd.attr_mask & IB_WQ_FLAGS) {
+ wq_attr.flags = cmd.flags;
+ wq_attr.flags_mask = cmd.flags_mask;
+ }
ret = wq->device->modify_wq(wq, &wq_attr, cmd.attr_mask, uhw);
put_wq_read(wq);
return ret;
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 4811b6a..598f095 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -1048,6 +1048,8 @@ struct ib_uverbs_ex_create_wq {
__u32 cq_handle;
__u32 max_wr;
__u32 max_sge;
+ __u32 create_flags; /* Use enum ib_wq_flags */
+ __u32 reserved;
};
struct ib_uverbs_ex_create_wq_resp {
@@ -1076,6 +1078,8 @@ struct ib_uverbs_ex_modify_wq {
__u32 wq_handle;
__u32 wq_state;
__u32 curr_wq_state;
+ __u32 flags; /* Use enum ib_wq_flags */
+ __u32 flags_mask; /* Use enum ib_wq_flags */
};
/* Prevent memory allocation rather than max expected size */
--
2.10.2
--
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