[PATCH 10/10] i40iw: Remove SQ size constraint

Tatyana Nikolova
2016-12-09T17:55:04Z

From: Shiraz Saleem <shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

Pre-production firmware does not invalidate RQ PBL indexes
if the RQ base is not cache aligned. Remove the workaround
which constraints SQ depth to be a multiple of 1024.

Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Shiraz Saleem <shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
providers/i40iw/i40iw_d.h | 3 ---
providers/i40iw/i40iw_uverbs.c | 2 --
2 files changed, 5 deletions(-)

diff --git a/providers/i40iw/i40iw_d.h b/providers/i40iw/i40iw_d.h
index 1906cbf..174115c 100644
--- a/providers/i40iw/i40iw_d.h
+++ b/providers/i40iw/i40iw_d.h
@@ -1318,9 +1318,6 @@
/* wqe size considering 32 bytes per wqe*/
#define I40IWQP_SW_MIN_WQSIZE 4 /* 128 bytes */
#define I40IWQP_SW_MAX_WQSIZE 2048 /* 2048 bytes */
-
-#define I40IWQP_SW_WQSIZE_1024 1024
-
#define I40IWQP_OP_RDMA_WRITE 0
#define I40IWQP_OP_RDMA_READ 1
#define I40IWQP_OP_RDMA_SEND 3
diff --git a/providers/i40iw/i40iw_uverbs.c b/providers/i40iw/i40iw_uverbs.c
index 85ed77c..75b7cb0 100644
--- a/providers/i40iw/i40iw_uverbs.c
+++ b/providers/i40iw/i40iw_uverbs.c
@@ -537,8 +537,6 @@ static int i40iw_vmapped_qp(struct i40iw_uqp *iwuqp, struct ibv_pd *pd,
struct ibv_reg_mr_resp reg_mr_resp;

memset(&reg_mr_cmd, 0, sizeof(reg_mr_cmd));
- if ((sqdepth % I40IWQP_SW_WQSIZE_1024))
- sqdepth = sqdepth + I40IWQP_SW_WQSIZE_1024 - (sqdepth % I40IWQP_SW_WQSIZE_1024);
sqsize = sqdepth * I40IW_QP_WQE_MIN_SIZE;
rqsize = rqdepth * I40IW_QP_WQE_MIN_SIZE;

--
1.8.5.2