On Friday 25 January 2008, Jussi Kivilinna wrote:
> Callback to signal link state changes from minidriver to
> 'subminidrivers'.
>
> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxxxx>
Acked-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> ---
>
> drivers/net/usb/rndis_host.c | 24 ++++++++++++++++++++----
> drivers/net/usb/usbnet.h | 4 ++++
> 2 files changed, 24 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
> index 0813903..800c9d0 100644
> --- a/drivers/net/usb/rndis_host.c
> +++ b/drivers/net/usb/rndis_host.c
> @@ -148,10 +148,26 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf)
> request_id, xid);
> /* then likely retry */
> } else switch (buf->msg_type) {
> - case RNDIS_MSG_INDICATE: { /* fault */
> - // struct rndis_indicate *msg = (void *)buf;
> - dev_info(&info->control->dev,
> - "rndis fault indication\n");
> + case RNDIS_MSG_INDICATE: { /* fault/event */
> + struct rndis_indicate *msg = (void *)buf;
> + int state = 0;
> +
> + switch (msg->status) {
> + case RNDIS_STATUS_MEDIA_CONNECT:
> + state = 1;
> + case RNDIS_STATUS_MEDIA_DISCONNECT:
> + dev_info(&info->control->dev,
> + "rndis media %sconnect\n",
> + !state?"dis":"");
> + if (dev->driver_info->link_change)
> + dev->driver_info->link_change(
> + dev, state);
> + break;
> + default:
> + dev_info(&info->control->dev,
> + "rndis indication: 0x%08x\n",
> + le32_to_cpu(msg->status));
> + }
> }
> break;
> case RNDIS_MSG_KEEPALIVE: { /* ping */
> diff --git a/drivers/net/usb/usbnet.h b/drivers/net/usb/usbnet.h
> index 25b63d3..e0501da 100644
> --- a/drivers/net/usb/usbnet.h
> +++ b/drivers/net/usb/usbnet.h
> @@ -121,6 +121,10 @@ struct driver_info {
> * right after minidriver have initialized hardware. */
> int (*early_init)(struct usbnet *dev);
>
> + /* called by minidriver when link state changes, state: 0=disconnect,
> + * 1=connect */
> + void (*link_change)(struct usbnet *dev, int state);
> +
> /* for new devices, use the descriptor-reading code instead */
> int in; /* rx endpoint */
> int out; /* tx endpoint */
>
-
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