IB/core: Add creation flags to QPs
This will allow a kernel verbs consumer to create a QP
and pass special flags to the hw layer. This patch also
defines one such flag for LSO support.
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
---
drivers/infiniband/core/uverbs_cmd.c | 1 +
include/rdma/ib_verbs.h | 5 +++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c
b/drivers/infiniband/core/uverbs_cmd.c
index 495c803..9e98cec 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1065,6 +1065,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
attr.srq = srq;
attr.sq_sig_type = cmd.sq_sig_all ? IB_SIGNAL_ALL_WR :
IB_SIGNAL_REQ_WR;
attr.qp_type = cmd.qp_type;
+ attr.create_flags = 0;
attr.cap.max_send_wr = cmd.max_send_wr;
attr.cap.max_recv_wr = cmd.max_recv_wr;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 85f2cda..030f868 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -494,6 +494,10 @@ enum ib_qp_type {
IB_QPT_RAW_ETY
};
+enum qp_create_flags {
+ QP_CREATE_LSO = 1 << 0,
+};
+
struct ib_qp_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *qp_context;
@@ -504,6 +508,7 @@ struct ib_qp_init_attr {
enum ib_sig_type sq_sig_type;
enum ib_qp_type qp_type;
u8 port_num; /* special QP types only */
+ enum qp_create_flags create_flags;
};
enum ib_rnr_timeout {
--
1.5.3.8
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