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i40iw: Set 128B as the only supported RQ WQE size

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RQ WQE size other than 128B is not supported.  Correct
RQ size calculation to use 128B only.

Since this breaks ABI, add additional code to
provide compatibility with v4 user provider, libi40iw.

Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Chien Tin Tung
2016-12-21 08:53:46 -06:00
committed by Doug Ledford
parent fba332b079
commit 61f51b7b20
8 changed files with 53 additions and 25 deletions
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4
drivers/infiniband/hw/i40iw/i40iw_ucontext.h
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@@ -39,8 +39,8 @@
#include <linux/types.h>
#define I40IW_ABI_USERSPACE_VER 4
#define I40IW_ABI_KERNEL_VER 4
#define I40IW_ABI_VER 5
struct i40iw_alloc_ucontext_req {
__u32 reserved32;
__u8 userspace_ver;