If user requested signature enable we Initialize
relevant mlx5_ib_qp members. we mark the qp as sig_enable
we initiatlize empty sig_err_list, and we increase qp size.
Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
---
drivers/infiniband/hw/mlx5/mlx5_ib.h | 5 +++++
drivers/infiniband/hw/mlx5/qp.c | 7 +++++++
include/linux/mlx5/qp.h | 1 +
3 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h
b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 45d7424..1d5793e 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -189,6 +189,11 @@ struct mlx5_ib_qp {
int create_type;
u32 pa_lkey;
+
+ /* Store signature errors */
+ bool signature_en;
+ struct list_head sig_err_list;
+ spinlock_t sig_err_lock;
};
struct mlx5_ib_cq_buf {
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 045f8cd..9a8c622 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -734,6 +734,13 @@ static int create_qp_common(struct mlx5_ib_dev *dev,
struct ib_pd *pd,
spin_lock_init(&qp->sq.lock);
spin_lock_init(&qp->rq.lock);
+ if (init_attr->create_flags == IB_QP_CREATE_SIGNATURE_EN) {
+ init_attr->cap.max_send_wr *= MLX5_SIGNATURE_SQ_MULT;
+ spin_lock_init(&qp->sig_err_lock);
+ INIT_LIST_HEAD(&qp->sig_err_list);
+ qp->signature_en = true;
+ }
+
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index d9e3eac..174805c 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -37,6 +37,7 @@
#include <linux/mlx5/driver.h>
#define MLX5_INVALID_LKEY 0x100
+#define MLX5_SIGNATURE_SQ_MULT 3
enum mlx5_qp_optpar {
MLX5_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
--
1.7.1
--
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