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i40iw: Fix sequence number for the first partial FPDU

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[ Upstream commit df8b13a1b2 ]

Partial FPDU processing is broken as the sequence number
for the first partial FPDU is wrong due to incorrect
Q2 buffer offset. The offset should be 64 rather than 16.

Fixes: 786c6adb3a ("i40iw: add puda code")
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shiraz Saleem
2017-12-22 09:46:59 -06:00
committed by Greg Kroah-Hartman
parent b867b7a7e5
commit 0bc82eae12
2 changed files with 2 additions and 1 deletions
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1
drivers/infiniband/hw/i40iw/i40iw_d.h
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@@ -93,6 +93,7 @@
#define RDMA_OPCODE_MASK 0x0f
#define RDMA_READ_REQ_OPCODE 1
#define Q2_BAD_FRAME_OFFSET 72
#define Q2_FPSN_OFFSET 64
#define CQE_MAJOR_DRV 0x8000
#define I40IW_TERM_SENT 0x01

2
drivers/infiniband/hw/i40iw/i40iw_puda.c
View File

@@ -1376,7 +1376,7 @@ static void i40iw_ieq_handle_exception(struct i40iw_puda_rsrc *ieq,
u32 *hw_host_ctx = (u32 *)qp->hw_host_ctx;
u32 rcv_wnd = hw_host_ctx[23];
/* first partial seq # in q2 */
u32 fps = qp->q2_buf[16];
u32 fps = *(u32 *)(qp->q2_buf + Q2_FPSN_OFFSET);
struct list_head *rxlist = &pfpdu->rxlist;
struct list_head *plist;