diff options
| -rw-r--r-- | drivers/net/usb/rndis_host.c | 36 | ||||
| -rw-r--r-- | drivers/net/usb/rndis_host.h | 19 |
2 files changed, 51 insertions, 4 deletions
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 800c9d02c3f4..0606e11510ae 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -271,7 +271,8 @@ response_error: return -EDOM; } -int generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf) +int +generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) { int retval; struct net_device *net = dev->net; @@ -287,7 +288,7 @@ int generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf) struct rndis_set_c *set_c; struct rndis_halt *halt; } u; - u32 tmp; + u32 tmp, *phym; int reply_len; unsigned char *bp; @@ -358,6 +359,30 @@ int generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf) dev->driver_info->early_init(dev) != 0) goto halt_fail_and_release; + /* Check physical medium */ + reply_len = sizeof *phym; + retval = rndis_query(dev, intf, u.buf, OID_GEN_PHYSICAL_MEDIUM, + 0, (void **) &phym, &reply_len); + if (retval != 0) + /* OID is optional so don't fail here. */ + *phym = RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED; + if ((flags & FLAG_RNDIS_PHYM_WIRELESS) && + *phym != RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { + if (netif_msg_probe(dev)) + dev_dbg(&intf->dev, "driver requires wireless " + "physical medium, but device is not.\n"); + retval = -ENODEV; + goto halt_fail_and_release; + } + if ((flags & FLAG_RNDIS_PHYM_NOT_WIRELESS) && + *phym == RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { + if (netif_msg_probe(dev)) + dev_dbg(&intf->dev, "driver requires non-wireless " + "physical medium, but device is wireless.\n"); + retval = -ENODEV; + goto halt_fail_and_release; + } + /* Get designated host ethernet address */ reply_len = ETH_ALEN; retval = rndis_query(dev, intf, u.buf, OID_802_3_PERMANENT_ADDRESS, @@ -403,6 +428,11 @@ fail: } EXPORT_SYMBOL_GPL(generic_rndis_bind); +static int rndis_bind(struct usbnet *dev, struct usb_interface *intf) +{ + return generic_rndis_bind(dev, intf, FLAG_RNDIS_PHYM_NOT_WIRELESS); +} + void rndis_unbind(struct usbnet *dev, struct usb_interface *intf) { struct rndis_halt *halt; @@ -518,7 +548,7 @@ EXPORT_SYMBOL_GPL(rndis_tx_fixup); static const struct driver_info rndis_info = { .description = "RNDIS device", .flags = FLAG_ETHER | FLAG_FRAMING_RN | FLAG_NO_SETINT, - .bind = generic_rndis_bind, + .bind = rndis_bind, .unbind = rndis_unbind, .status = rndis_status, .rx_fixup = rndis_rx_fixup, diff --git a/drivers/net/usb/rndis_host.h b/drivers/net/usb/rndis_host.h index 61f1fd8f5ff6..edc1d4a0e272 100644 --- a/drivers/net/usb/rndis_host.h +++ b/drivers/net/usb/rndis_host.h @@ -82,6 +82,17 @@ struct rndis_msg_hdr { #define RNDIS_STATUS_MEDIA_CONNECT ccpu2(0x4001000b) #define RNDIS_STATUS_MEDIA_DISCONNECT ccpu2(0x4001000c) +/* codes for OID_GEN_PHYSICAL_MEDIUM */ +#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED ccpu2(0x00000000) +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN ccpu2(0x00000001) +#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM ccpu2(0x00000002) +#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE ccpu2(0x00000003) +#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE ccpu2(0x00000004) +#define RNDIS_PHYSICAL_MEDIUM_DSL ccpu2(0x00000005) +#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL ccpu2(0x00000006) +#define RNDIS_PHYSICAL_MEDIUM_1394 ccpu2(0x00000007) +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN ccpu2(0x00000008) +#define RNDIS_PHYSICAL_MEDIUM_MAX ccpu2(0x00000009) struct rndis_data_hdr { __le32 msg_type; /* RNDIS_MSG_PACKET */ @@ -222,6 +233,7 @@ struct rndis_keepalive_c { /* IN (optionally OUT) */ #define OID_802_3_PERMANENT_ADDRESS ccpu2(0x01010101) #define OID_GEN_MAXIMUM_FRAME_SIZE ccpu2(0x00010106) #define OID_GEN_CURRENT_PACKET_FILTER ccpu2(0x0001010e) +#define OID_GEN_PHYSICAL_MEDIUM ccpu2(0x00010202) /* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ #define RNDIS_PACKET_TYPE_DIRECTED ccpu2(0x00000001) @@ -244,10 +256,15 @@ struct rndis_keepalive_c { /* IN (optionally OUT) */ RNDIS_PACKET_TYPE_ALL_MULTICAST | \ RNDIS_PACKET_TYPE_PROMISCUOUS) +/* Flags to require specific physical medium type for generic_rndis_bind() */ +#define FLAG_RNDIS_PHYM_NOT_WIRELESS 0x0001 +#define FLAG_RNDIS_PHYM_WIRELESS 0x0002 + extern void rndis_status(struct usbnet *dev, struct urb *urb); extern int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf); -extern int generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf); +extern int +generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags); extern void rndis_unbind(struct usbnet *dev, struct usb_interface *intf); extern int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb); extern struct sk_buff * |