Patch "qed: Fix MPA unalign flow in case header is split across two packets." has been added to the 4.15-stable tree

Patch "qed: Fix MPA unalign flow in case header is split across two packets." has been added to the 4.15-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    qed: Fix MPA unalign flow in case header is split across two packets.

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:
     qed-fix-mpa-unalign-flow-in-case-header-is-split-across-two-packets.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 Wed Mar 28 18:37:51 CEST 2018
From: Michal Kalderon <Michal.Kalderon@cavium.com>
Date: Wed, 14 Mar 2018 14:49:27 +0200
Subject: qed: Fix MPA unalign flow in case header is split across two packets.

From: Michal Kalderon <Michal.Kalderon@cavium.com>


[ Upstream commit 933e8c91b9f5a2f504f6da1f069c410449b9f4b9 ]

There is a corner case in the MPA unalign flow where a FPDU header is
split over two tcp segments. The length of the first fragment in this
case was not initialized properly and should be '1'

Fixes: c7d1d839 ("qed: Add support for MPA header being split over two tcp packets")

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/qlogic/qed/qed_iwarp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -1906,8 +1906,8 @@ qed_iwarp_update_fpdu_length(struct qed_
 		/* Missing lower byte is now available */
 		mpa_len = fpdu->fpdu_length | *mpa_data;
 		fpdu->fpdu_length = QED_IWARP_FPDU_LEN_WITH_PAD(mpa_len);
-		fpdu->mpa_frag_len = fpdu->fpdu_length;
 		/* one byte of hdr */
+		fpdu->mpa_frag_len = 1;
 		fpdu->incomplete_bytes = fpdu->fpdu_length - 1;
 		DP_VERBOSE(p_hwfn,
 			   QED_MSG_RDMA,


Patches currently in stable-queue which might be from Michal.Kalderon@cavium.com are

queue-4.15/qed-fix-non-tcp-packets-should-be-dropped-on-iwarp-ll2-connection.patch
queue-4.15/qed-fix-mpa-unalign-flow-in-case-header-is-split-across-two-packets.patch
queue-4.15/qede-fix-qedr-link-update.patch