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Subject[PATCH] ipheth.c: Enable IP header alignment
From: David Hill <>

Since commit ea812ca1b06113597adcd8e70c0f84a413d97544, NET_IP_ALIGN changed from
2 to 0. Some people have reported that tethering stopped working and David Hill
submited a patch that seems to fix the problem.

I have no more an iPhone device to test it, so it is only compile-tested.

Signed-off-by: L. Alberto Giménez <>
drivers/net/usb/ipheth.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 7d42f9a..711346b 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -54,6 +54,9 @@
#include <linux/usb.h>
#include <linux/workqueue.h>

+#undef NET_IP_ALIGN
+#define NET_IP_ALIGN 2
#define USB_VENDOR_APPLE 0x05ac
#define USB_PRODUCT_IPHONE 0x1290
#define USB_PRODUCT_IPHONE_3G 0x1292
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