diff options
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/cdc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h index 2967284..c1d039c 100644 --- a/include/linux/usb/cdc.h +++ b/include/linux/usb/cdc.h @@ -158,6 +158,9 @@ struct usb_cdc_mdlm_detail_desc { * * section 3.6.2.1 table 4 has the ACM profile, for modems. * section 3.8.2 table 10 has the ethernet profile. + * + * Microsoft's RNDIS stack for Ethernet is a vendor-specific CDC ACM variant, + * heavily dependent on the encapsulated (proprietary) command mechanism. */ #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 @@ -203,7 +206,8 @@ struct usb_cdc_line_coding { * Class-Specific Notifications (6.3) sent by interrupt transfers * * section 3.8.2 table 11 of the CDC spec lists Ethernet notifications - * section 3.6.2.1 table 5 specifies ACM notifications + * section 3.6.2.1 table 5 specifies ACM notifications, accepted by RNDIS + * RNDIS also defines its own bit-incompatible notifications */ #define USB_CDC_NOTIFY_NETWORK_CONNECTION 0x00 |