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[PATCH] USB: rndis_host whitespace/comment updates 

This adds a "avoid proprietary protocols" warnoff, identifying several
of the known deficiencies in Microsoft's excuse-for-specification, and
fixes some whitespace bugs.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell 2006-04-02 10:19:08 -08:00 committed by Greg Kroah-Hartman
parent 68dcc688d1
commit 51400f1d6e
1 changed files with 21 additions and 7 deletions
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28
drivers/usb/net/rndis_host.c
View File

@ -39,6 +39,20 @@
* RNDIS is NDIS remoted over USB. It's a MSFT variant of CDC ACM ... of
* course ACM was intended for modems, not Ethernet links! USB's standard
* for Ethernet links is "CDC Ethernet", which is significantly simpler.
*
* NOTE that Microsoft's "RNDIS 1.0" specification is incomplete. Issues
* include:
* - Power management in particular relies on information that's scattered
* through other documentation, and which is incomplete or incorrect even
* there.
* - There are various undocumented protocol requirements, such as the
* need to send unused garbage in control-OUT messages.
* - In some cases, MS-Windows will emit undocumented requests; this
* matters more to peripheral implementations than host ones.
*
* For these reasons and others, ** USE OF RNDIS IS STRONGLY DISCOURAGED ** in
* favor of such non-proprietary alternatives as CDC Ethernet or the newer (and
* currently rare) "Ethernet Emulation Model" (EEM).
*/
/*
@ -72,17 +86,17 @@ struct rndis_msg_hdr {
*/
#define RNDIS_MSG_PACKET ccpu2(0x00000001) /* 1-N packets */
#define RNDIS_MSG_INIT ccpu2(0x00000002)
#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_HALT ccpu2(0x00000003)
#define RNDIS_MSG_QUERY ccpu2(0x00000004)
#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_SET ccpu2(0x00000005)
#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_RESET ccpu2(0x00000006)
#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_INDICATE ccpu2(0x00000007)
#define RNDIS_MSG_KEEPALIVE ccpu2(0x00000008)
#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
/* codes for "status" field of completion messages */
#define RNDIS_STATUS_SUCCESS ccpu2(0x00000000)
@ -596,13 +610,13 @@ static struct usb_driver rndis_driver = {
static int __init rndis_init(void)
{
return usb_register(&rndis_driver);
return usb_register(&rndis_driver);
}
module_init(rndis_init);
static void __exit rndis_exit(void)
{
usb_deregister(&rndis_driver);
usb_deregister(&rndis_driver);
}
module_exit(rndis_exit);