Patch "drivers: net: xgene: Fix hardware checksum setting" has been added to the 3.18-stable tree

Patch "drivers: net: xgene: Fix hardware checksum setting" has been added to the 3.18-stable tree

[gregkh]

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

    drivers: net: xgene: Fix hardware checksum setting

to the 3.18-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:
     drivers-net-xgene-fix-hardware-checksum-setting.patch
and it can be found in the queue-3.18 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 Mar 19 10:11:52 CET 2018
From: Quan Nguyen <qnguyen@apm.com>
Date: Wed, 15 Mar 2017 13:27:16 -0700
Subject: drivers: net: xgene: Fix hardware checksum setting

From: Quan Nguyen <qnguyen@apm.com>


[ Upstream commit e026e700d940a1ea3d3bc84d92ac668b1f015462 ]

This patch fixes the hardware checksum settings by properly program
the classifier. Otherwise, packet may be received with checksum error
on X-Gene1 SoC.

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c |    1 +
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.h |    1 +
 2 files changed, 2 insertions(+)

--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -535,6 +535,7 @@ static void xgene_enet_cle_bypass(struct
 	xgene_enet_rd_csr(pdata, CLE_BYPASS_REG0_0_ADDR, &cb);
 	cb |= CFG_CLE_BYPASS_EN0;
 	CFG_CLE_IP_PROTOCOL0_SET(&cb, 3);
+	CFG_CLE_IP_HDR_LEN_SET(&cb, 0);
 	xgene_enet_wr_csr(pdata, CLE_BYPASS_REG0_0_ADDR, cb);
 
 	xgene_enet_rd_csr(pdata, CLE_BYPASS_REG1_0_ADDR, &cb);
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
@@ -143,6 +143,7 @@ enum xgene_enet_rm {
 #define CFG_TXCLK_MUXSEL0_SET(dst, val)	xgene_set_bits(dst, val, 29, 3)
 
 #define CFG_CLE_IP_PROTOCOL0_SET(dst, val)	xgene_set_bits(dst, val, 16, 2)
+#define CFG_CLE_IP_HDR_LEN_SET(dst, val)	xgene_set_bits(dst, val, 8, 5)
 #define CFG_CLE_DSTQID0_SET(dst, val)		xgene_set_bits(dst, val, 0, 12)
 #define CFG_CLE_FPSEL0_SET(dst, val)		xgene_set_bits(dst, val, 16, 4)
 #define CFG_MACMODE_SET(dst, val)		xgene_set_bits(dst, val, 18, 2)


Patches currently in stable-queue which might be from qnguyen@apm.com are

queue-3.18/drivers-net-xgene-fix-hardware-checksum-setting.patch