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Commit 7f56a980 authored by Daniele Palmas's avatar Daniele Palmas Committed by Greg Kroah-Hartman
Browse files

net: usb: cdc_mbim: add flag FLAG_SEND_ZLP 



[ Upstream commit 9f7c728332e8966084242fcd951aa46583bc308c ]

Testing Telit LM940 with ICMP packets > 14552 bytes revealed that
the modem needs FLAG_SEND_ZLP to properly work, otherwise the cdc
mbim data interface won't be anymore responsive.

Signed-off-by: default avatarDaniele Palmas <dnlplm@gmail.com>
Acked-by: default avatarBjørn Mork <bjorn@mork.no>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6c2d8d7a

drivers/net/usb/cdc_mbim.c

+1 −1
Original line number Diff line number Diff line
@@ -550,7 +550,7 @@ err: 


static const struct driver_info cdc_mbim_info = {

	.description = "CDC MBIM",

	.flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN,

	.flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN | FLAG_SEND_ZLP,

	.bind = cdc_mbim_bind,

	.unbind = cdc_mbim_unbind,

	.manage_power = cdc_mbim_manage_power,