On Tue, Jul 19, 2022 at 08:24:51AM +0200, Łukasz Spintzyk wrote:
> From: Dominik Czerwik <dominik.czerwik@xxxxxxxxxxxxx>
>
> This improves performance and stability of
> DL-3xxx/DL-5xxx/DL-6xxx device series.
>
> Specifically prevents device from temporary network dropouts when
> playing video from the web and network traffic going through is high.
>
> Signed-off-by: Dominik Czerwik <dominik.czerwik@xxxxxxxxxxxxx>
> Signed-off-by: Łukasz Spintzyk <lukasz.spintzyk@xxxxxxxxxxxxx>
> ---
> drivers/net/usb/cdc_ncm.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
> index d55f59ce4a31..af84ac0d65c9 100644
> --- a/drivers/net/usb/cdc_ncm.c
> +++ b/drivers/net/usb/cdc_ncm.c
> @@ -1904,6 +1904,19 @@ static const struct driver_info cdc_ncm_info = {
> .set_rx_mode = usbnet_cdc_update_filter,
> };
>
> +/* Same as cdc_ncm_info, but with FLAG_SEND_ZLP */
> +static const struct driver_info cdc_ncm_zlp_info = {
> + .description = "CDC NCM (SEND ZLP)",
> + .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
> + | FLAG_LINK_INTR | FLAG_ETHER | FLAG_SEND_ZLP,
> + .bind = cdc_ncm_bind,
> + .unbind = cdc_ncm_unbind,
> + .manage_power = usbnet_manage_power,
> + .status = cdc_ncm_status,
> + .rx_fixup = cdc_ncm_rx_fixup,
> + .tx_fixup = cdc_ncm_tx_fixup,
> +};
> +
> /* Same as cdc_ncm_info, but with FLAG_WWAN */
> static const struct driver_info wwan_info = {
> .description = "Mobile Broadband Network Device",
> @@ -2010,6 +2023,16 @@ static const struct usb_device_id cdc_devs[] = {
> .driver_info = (unsigned long)&wwan_info,
> },
>
> + /* DisplayLink docking stations */
> + { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
> + | USB_DEVICE_ID_MATCH_VENDOR,
> + .idVendor = 0x17e9,
> + .bInterfaceClass = USB_CLASS_COMM,
> + .bInterfaceSubClass = USB_CDC_SUBCLASS_NCM,
> + .bInterfaceProtocol = USB_CDC_PROTO_NONE,
> + .driver_info = (unsigned long)&cdc_ncm_zlp_info,
> + },
> +
> /* Generic CDC-NCM devices */
> { USB_INTERFACE_INFO(USB_CLASS_COMM,
> USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
> --
> 2.36.1
>
Hi,
This is the friendly patch-bot of Greg Kroah-Hartman. You have sent him
a patch that has triggered this response. He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created. Hopefully you will not take offence and will fix the problem
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kernel tree.
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Please read the section entitled "The canonical patch format" in the
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If you wish to discuss this problem further, or you have questions about
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