From 5d6ecf6c5d4994198527496fa51ea119030400e0 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Sat, 26 Jan 2008 00:51:34 +0200 Subject: [PATCH] rndis_host: Add link_change function pointer to 'struct rndis_data'. Callback to signal link state changes from minidriver to 'subminidrivers'. Signed-off-by: Jussi Kivilinna Acked-by: David Brownell Signed-off-by: John W. Linville Signed-off-by: David S. Miller --- 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 08139030954..800c9d02c3f 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 25b63d3339d..e0501da3dd1 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 */ -- 2.39.3