From: <gregkh@linuxfoundation.org>
To: shiraz.saleem@intel.com, alexander.levin@microsoft.com,
gregkh@linuxfoundation.org, jgg@mellanox.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "i40iw: Fix sequence number for the first partial FPDU" has been added to the 4.15-stable tree
Date: Mon, 09 Apr 2018 11:36:19 +0200 [thread overview]
Message-ID: <152326657912132@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
i40iw: Fix sequence number for the first partial FPDU
to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i40iw-fix-sequence-number-for-the-first-partial-fpdu.patch
and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Mon Apr 9 10:16:32 CEST 2018
From: Shiraz Saleem <shiraz.saleem@intel.com>
Date: Fri, 22 Dec 2017 09:46:59 -0600
Subject: i40iw: Fix sequence number for the first partial FPDU
From: Shiraz Saleem <shiraz.saleem@intel.com>
[ Upstream commit df8b13a1b23356d01dfc4647a5629cdb0f4ce566 ]
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: 786c6adb3a94 ("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>
---
drivers/infiniband/hw/i40iw/i40iw_d.h | 1 +
drivers/infiniband/hw/i40iw/i40iw_puda.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/infiniband/hw/i40iw/i40iw_d.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_d.h
@@ -97,6 +97,7 @@
#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
--- a/drivers/infiniband/hw/i40iw/i40iw_puda.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c
@@ -1378,7 +1378,7 @@ static void i40iw_ieq_handle_exception(s
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;
Patches currently in stable-queue which might be from shiraz.saleem@intel.com are
queue-4.15/i40iw-fix-sequence-number-for-the-first-partial-fpdu.patch
queue-4.15/i40iw-correct-q1-xf-object-count-equation.patch
queue-4.15/i40iw-validate-correct-ird-ord-connection-parameters.patch
reply other threads:[~2018-04-09 9:37 UTC|newest]
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