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rndis_host: Add RNDIS physical medium checking into generic_rndis_bind()

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Add RNDIS physical medium checking into generic_rndis_bind() and also make
rndis_host to be only bind on every medium except wireless.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jussi Kivilinna 2008-01-27 23:34:33 +02:00 committed by David S. Miller
parent 5d6ecf6c5d
commit 039ee17d1b
2 changed files with 51 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/net/usb/rndis_host.c
View File

@ -271,7 +271,8 @@ static int rndis_query(struct usbnet *dev, struct usb_interface *intf,
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 @@ int generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf)
}
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,

19
drivers/net/usb/rndis_host.h
View File

@ -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 *