summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDaniele Palmas <dnlplm@gmail.com>2018-05-31 11:18:29 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-06-13 16:16:42 +0200
commitc1d50432f2be5eab456ffd19da7b78ae475a5e39 (patch)
treec6f349c7060b34f1150b19cb31351c5673706d16
parentba2ce02e0584e130c8c61c65e3c1a17fde012193 (diff)
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: Daniele Palmas <dnlplm@gmail.com> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/usb/cdc_mbim.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 3a98f3762a4c..4c8baba72933 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -608,7 +608,7 @@ static const struct driver_info cdc_mbim_info_ndp_to_end = {
*/
static const struct driver_info cdc_mbim_info_avoid_altsetting_toggle = {
.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,