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i40iw: Optimize inline data copy

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Use memcpy for inline data copy in sends
and writes instead of byte by byte copy.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Henry Orosco 2016-11-09 21:28:02 -06:00 committed by Doug Ledford
parent c38d7e0d08
commit e7f9774af5
1 changed files with 10 additions and 14 deletions
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24
drivers/infiniband/hw/i40iw/i40iw_uk.c
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@ -430,7 +430,7 @@ static enum i40iw_status_code i40iw_inline_rdma_write(struct i40iw_qp_uk *qp,
struct i40iw_inline_rdma_write *op_info;
u64 *push;
u64 header = 0;
u32 i, wqe_idx;
u32 wqe_idx;
enum i40iw_status_code ret_code;
bool read_fence = false;
u8 wqe_size;
@ -465,14 +465,12 @@ static enum i40iw_status_code i40iw_inline_rdma_write(struct i40iw_qp_uk *qp,
src = (u8 *)(op_info->data);
if (op_info->len <= 16) {
for (i = 0; i < op_info->len; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, op_info->len);
} else {
for (i = 0; i < 16; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, 16);
src += 16;
dest = (u8 *)wqe + 32;
for (; i < op_info->len; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, op_info->len - 16);
}
wmb(); /* make sure WQE is populated before valid bit is set */
@ -507,7 +505,7 @@ static enum i40iw_status_code i40iw_inline_send(struct i40iw_qp_uk *qp,
u8 *dest, *src;
struct i40iw_post_inline_send *op_info;
u64 header;
u32 wqe_idx, i;
u32 wqe_idx;
enum i40iw_status_code ret_code;
bool read_fence = false;
u8 wqe_size;
@ -540,14 +538,12 @@ static enum i40iw_status_code i40iw_inline_send(struct i40iw_qp_uk *qp,
src = (u8 *)(op_info->data);
if (op_info->len <= 16) {
for (i = 0; i < op_info->len; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, op_info->len);
} else {
for (i = 0; i < 16; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, 16);
src += 16;
dest = (u8 *)wqe + 32;
for (; i < op_info->len; i++, src++, dest++)
*dest = *src;
memcpy(dest, src, op_info->len - 16);
}
wmb(); /* make sure WQE is populated before valid bit is set */