1429 lines
36 KiB
C
1429 lines
36 KiB
C
![]() |
/*
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* RNDIS MSG parser
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*
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* Version: $Id: rndis.c,v 1.19 2004/03/25 21:33:46 robert Exp $
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*
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* Authors: Benedikt Spranger, Pengutronix
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* Robert Schwebel, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2, as published by the Free Software Foundation.
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*
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* This software was originally developed in conformance with
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* Microsoft's Remote NDIS Specification License Agreement.
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*
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* 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
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* Fixed message length bug in init_response
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*
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* 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
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* Fixed rndis_rm_hdr length bug.
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*
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* Copyright (C) 2004 by David Brownell
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* updates to merge with Linux 2.6, better match RNDIS spec
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/version.h>
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/proc_fs.h>
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#include <linux/netdevice.h>
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#include <asm/io.h>
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#include <asm/byteorder.h>
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#include <asm/system.h>
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#undef RNDIS_PM
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#undef VERBOSE
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#include "rndis.h"
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/* The driver for your USB chip needs to support ep0 OUT to work with
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* RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional).
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*
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* Windows hosts need an INF file like Documentation/usb/linux.inf
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* and will be happier if you provide the host_addr module parameter.
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*/
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#if 0
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#define DEBUG(str,args...) do { \
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if (rndis_debug) \
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printk(KERN_DEBUG str , ## args ); \
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} while (0)
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static int rndis_debug = 0;
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module_param (rndis_debug, bool, 0);
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MODULE_PARM_DESC (rndis_debug, "enable debugging");
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#else
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#define rndis_debug 0
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#define DEBUG(str,args...) do{}while(0)
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#endif
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#define RNDIS_MAX_CONFIGS 1
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static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS];
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/* Driver Version */
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static const __le32 rndis_driver_version = __constant_cpu_to_le32 (1);
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/* Function Prototypes */
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static int rndis_init_response (int configNr, rndis_init_msg_type *buf);
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static int rndis_query_response (int configNr, rndis_query_msg_type *buf);
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static int rndis_set_response (int configNr, rndis_set_msg_type *buf);
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static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf);
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static int rndis_keepalive_response (int configNr,
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rndis_keepalive_msg_type *buf);
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static rndis_resp_t *rndis_add_response (int configNr, u32 length);
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/* NDIS Functions */
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static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
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{
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int retval = -ENOTSUPP;
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u32 length = 0;
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__le32 *tmp;
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int i, count;
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rndis_query_cmplt_type *resp;
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if (!r) return -ENOMEM;
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resp = (rndis_query_cmplt_type *) r->buf;
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if (!resp) return -ENOMEM;
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switch (OID) {
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/* general oids (table 4-1) */
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/* mandatory */
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case OID_GEN_SUPPORTED_LIST:
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DEBUG ("%s: OID_GEN_SUPPORTED_LIST\n", __FUNCTION__);
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length = sizeof (oid_supported_list);
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count = length / sizeof (u32);
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tmp = (__le32 *) ((u8 *)resp + 24);
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for (i = 0; i < count; i++)
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tmp[i] = cpu_to_le32 (oid_supported_list[i]);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_HARDWARE_STATUS:
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DEBUG("%s: OID_GEN_HARDWARE_STATUS\n", __FUNCTION__);
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length = 4;
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/* Bogus question!
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* Hardware must be ready to receive high level protocols.
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* BTW:
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* reddite ergo quae sunt Caesaris Caesari
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* et quae sunt Dei Deo!
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*/
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_MEDIA_SUPPORTED:
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DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].medium);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_MEDIA_IN_USE:
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DEBUG("%s: OID_GEN_MEDIA_IN_USE\n", __FUNCTION__);
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length = 4;
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/* one medium, one transport... (maybe you do it better) */
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].medium);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_MAXIMUM_FRAME_SIZE:
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DEBUG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].dev) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].dev->mtu);
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retval = 0;
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} else {
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_LINK_SPEED:
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DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
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length = 4;
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if (rndis_per_dev_params [configNr].media_state
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== NDIS_MEDIA_STATE_DISCONNECTED)
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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else
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].speed);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_TRANSMIT_BLOCK_SIZE:
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DEBUG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].dev) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].dev->mtu);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_RECEIVE_BLOCK_SIZE:
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DEBUG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].dev) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].dev->mtu);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_VENDOR_ID:
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DEBUG("%s: OID_GEN_VENDOR_ID\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].vendorID);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_VENDOR_DESCRIPTION:
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DEBUG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __FUNCTION__);
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length = strlen (rndis_per_dev_params [configNr].vendorDescr);
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memcpy ((u8 *) resp + 24,
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rndis_per_dev_params [configNr].vendorDescr, length);
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retval = 0;
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break;
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case OID_GEN_VENDOR_DRIVER_VERSION:
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DEBUG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __FUNCTION__);
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length = 4;
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/* Created as LE */
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*((__le32 *) resp + 6) = rndis_driver_version;
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_CURRENT_PACKET_FILTER:
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DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params[configNr].filter);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_MAXIMUM_TOTAL_SIZE:
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DEBUG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = __constant_cpu_to_le32(
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RNDIS_MAX_TOTAL_SIZE);
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retval = 0;
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break;
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/* mandatory */
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case OID_GEN_MEDIA_CONNECT_STATUS:
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DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr]
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.media_state);
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retval = 0;
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break;
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case OID_GEN_PHYSICAL_MEDIUM:
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DEBUG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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break;
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/* The RNDIS specification is incomplete/wrong. Some versions
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* of MS-Windows expect OIDs that aren't specified there. Other
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* versions emit undefined RNDIS messages. DOCUMENT ALL THESE!
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*/
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case OID_GEN_MAC_OPTIONS: /* from WinME */
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DEBUG("%s: OID_GEN_MAC_OPTIONS\n", __FUNCTION__);
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length = 4;
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*((__le32 *) resp + 6) = __constant_cpu_to_le32(
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NDIS_MAC_OPTION_RECEIVE_SERIALIZED
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| NDIS_MAC_OPTION_FULL_DUPLEX);
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retval = 0;
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break;
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/* statistics OIDs (table 4-2) */
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/* mandatory */
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case OID_GEN_XMIT_OK:
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DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].stats) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].stats->tx_packets -
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rndis_per_dev_params [configNr].stats->tx_errors -
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rndis_per_dev_params [configNr].stats->tx_dropped);
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retval = 0;
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} else {
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_RCV_OK:
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DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].stats) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr].stats->rx_packets -
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rndis_per_dev_params [configNr].stats->rx_errors -
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rndis_per_dev_params [configNr].stats->rx_dropped);
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retval = 0;
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} else {
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_XMIT_ERROR:
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DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].stats) {
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length = 4;
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr]
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.stats->tx_errors);
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retval = 0;
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} else {
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
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retval = 0;
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}
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break;
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/* mandatory */
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case OID_GEN_RCV_ERROR:
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DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
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if (rndis_per_dev_params [configNr].stats) {
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*((__le32 *) resp + 6) = cpu_to_le32 (
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rndis_per_dev_params [configNr]
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.stats->rx_errors);
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retval = 0;
|
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} else {
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*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
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|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_GEN_RCV_NO_BUFFER:
|
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DEBUG("%s: OID_GEN_RCV_NO_BUFFER\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
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*((__le32 *) resp + 6) = cpu_to_le32 (
|
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|
rndis_per_dev_params [configNr]
|
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|
.stats->rx_dropped);
|
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|
retval = 0;
|
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|
} else {
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|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
#ifdef RNDIS_OPTIONAL_STATS
|
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|
case OID_GEN_DIRECTED_BYTES_XMIT:
|
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DEBUG("%s: OID_GEN_DIRECTED_BYTES_XMIT\n", __FUNCTION__);
|
||
|
/*
|
||
|
* Aunt Tilly's size of shoes
|
||
|
* minus antarctica count of penguins
|
||
|
* divided by weight of Alpha Centauri
|
||
|
*/
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
length = 4;
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
(rndis_per_dev_params [configNr]
|
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|
.stats->tx_packets -
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_errors -
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_dropped)
|
||
|
* 123);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_DIRECTED_FRAMES_XMIT:
|
||
|
DEBUG("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __FUNCTION__);
|
||
|
/* dito */
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
length = 4;
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
(rndis_per_dev_params [configNr]
|
||
|
.stats->tx_packets -
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_errors -
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_dropped)
|
||
|
/ 123);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_MULTICAST_BYTES_XMIT:
|
||
|
DEBUG("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->multicast*1234);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_MULTICAST_FRAMES_XMIT:
|
||
|
DEBUG("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->multicast);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_BROADCAST_BYTES_XMIT:
|
||
|
DEBUG("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_packets/42*255);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_BROADCAST_FRAMES_XMIT:
|
||
|
DEBUG("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->tx_packets/42);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_DIRECTED_BYTES_RCV:
|
||
|
DEBUG("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __FUNCTION__);
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_DIRECTED_FRAMES_RCV:
|
||
|
DEBUG("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __FUNCTION__);
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_MULTICAST_BYTES_RCV:
|
||
|
DEBUG("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->multicast * 1111);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_MULTICAST_FRAMES_RCV:
|
||
|
DEBUG("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->multicast);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_BROADCAST_BYTES_RCV:
|
||
|
DEBUG("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->rx_packets/42*255);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_BROADCAST_FRAMES_RCV:
|
||
|
DEBUG("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->rx_packets/42);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_RCV_CRC_ERROR:
|
||
|
DEBUG("%s: OID_GEN_RCV_CRC_ERROR\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats) {
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->rx_crc_errors);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_GEN_TRANSMIT_QUEUE_LENGTH:
|
||
|
DEBUG("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __FUNCTION__);
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
#endif /* RNDIS_OPTIONAL_STATS */
|
||
|
|
||
|
/* ieee802.3 OIDs (table 4-3) */
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_PERMANENT_ADDRESS:
|
||
|
DEBUG("%s: OID_802_3_PERMANENT_ADDRESS\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].dev) {
|
||
|
length = ETH_ALEN;
|
||
|
memcpy ((u8 *) resp + 24,
|
||
|
rndis_per_dev_params [configNr].host_mac,
|
||
|
length);
|
||
|
retval = 0;
|
||
|
} else {
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_CURRENT_ADDRESS:
|
||
|
DEBUG("%s: OID_802_3_CURRENT_ADDRESS\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].dev) {
|
||
|
length = ETH_ALEN;
|
||
|
memcpy ((u8 *) resp + 24,
|
||
|
rndis_per_dev_params [configNr].host_mac,
|
||
|
length);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_MULTICAST_LIST:
|
||
|
DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
|
||
|
length = 4;
|
||
|
/* Multicast base address only */
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0xE0000000);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_MAXIMUM_LIST_SIZE:
|
||
|
DEBUG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __FUNCTION__);
|
||
|
length = 4;
|
||
|
/* Multicast base address only */
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (1);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_MAC_OPTIONS:
|
||
|
DEBUG("%s: OID_802_3_MAC_OPTIONS\n", __FUNCTION__);
|
||
|
break;
|
||
|
|
||
|
/* ieee802.3 statistics OIDs (table 4-4) */
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_RCV_ERROR_ALIGNMENT:
|
||
|
DEBUG("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __FUNCTION__);
|
||
|
if (rndis_per_dev_params [configNr].stats)
|
||
|
{
|
||
|
length = 4;
|
||
|
*((__le32 *) resp + 6) = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr]
|
||
|
.stats->rx_frame_errors);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_XMIT_ONE_COLLISION:
|
||
|
DEBUG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __FUNCTION__);
|
||
|
length = 4;
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
/* mandatory */
|
||
|
case OID_802_3_XMIT_MORE_COLLISIONS:
|
||
|
DEBUG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __FUNCTION__);
|
||
|
length = 4;
|
||
|
*((__le32 *) resp + 6) = __constant_cpu_to_le32 (0);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
#ifdef RNDIS_OPTIONAL_STATS
|
||
|
case OID_802_3_XMIT_DEFERRED:
|
||
|
DEBUG("%s: OID_802_3_XMIT_DEFERRED\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_XMIT_MAX_COLLISIONS:
|
||
|
DEBUG("%s: OID_802_3_XMIT_MAX_COLLISIONS\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_RCV_OVERRUN:
|
||
|
DEBUG("%s: OID_802_3_RCV_OVERRUN\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_XMIT_UNDERRUN:
|
||
|
DEBUG("%s: OID_802_3_XMIT_UNDERRUN\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_XMIT_HEARTBEAT_FAILURE:
|
||
|
DEBUG("%s: OID_802_3_XMIT_HEARTBEAT_FAILURE\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_XMIT_TIMES_CRS_LOST:
|
||
|
DEBUG("%s: OID_802_3_XMIT_TIMES_CRS_LOST\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_XMIT_LATE_COLLISIONS:
|
||
|
DEBUG("%s: OID_802_3_XMIT_LATE_COLLISIONS\n", __FUNCTION__);
|
||
|
/* TODO */
|
||
|
break;
|
||
|
#endif /* RNDIS_OPTIONAL_STATS */
|
||
|
|
||
|
#ifdef RNDIS_PM
|
||
|
/* power management OIDs (table 4-5) */
|
||
|
case OID_PNP_CAPABILITIES:
|
||
|
DEBUG("%s: OID_PNP_CAPABILITIES\n", __FUNCTION__);
|
||
|
|
||
|
/* just PM, and remote wakeup on link status change
|
||
|
* (not magic packet or pattern match)
|
||
|
*/
|
||
|
length = sizeof (struct NDIS_PNP_CAPABILITIES);
|
||
|
memset (resp, 0, length);
|
||
|
{
|
||
|
struct NDIS_PNP_CAPABILITIES *caps = (void *) resp;
|
||
|
|
||
|
caps->Flags = NDIS_DEVICE_WAKE_UP_ENABLE;
|
||
|
caps->WakeUpCapabilities.MinLinkChangeWakeUp
|
||
|
= NdisDeviceStateD3;
|
||
|
|
||
|
/* FIXME then use usb_gadget_wakeup(), and
|
||
|
* set USB_CONFIG_ATT_WAKEUP in config desc
|
||
|
*/
|
||
|
}
|
||
|
retval = 0;
|
||
|
break;
|
||
|
case OID_PNP_QUERY_POWER:
|
||
|
DEBUG("%s: OID_PNP_QUERY_POWER\n", __FUNCTION__);
|
||
|
/* sure, handle any power state that maps to USB suspend */
|
||
|
retval = 0;
|
||
|
break;
|
||
|
#endif
|
||
|
|
||
|
default:
|
||
|
printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
|
||
|
__FUNCTION__, OID);
|
||
|
}
|
||
|
|
||
|
resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
|
||
|
resp->InformationBufferLength = cpu_to_le32 (length);
|
||
|
resp->MessageLength = cpu_to_le32 (24 + length);
|
||
|
r->length = 24 + length;
|
||
|
return retval;
|
||
|
}
|
||
|
|
||
|
static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
|
||
|
rndis_resp_t *r)
|
||
|
{
|
||
|
rndis_set_cmplt_type *resp;
|
||
|
int i, retval = -ENOTSUPP;
|
||
|
struct rndis_params *params;
|
||
|
|
||
|
if (!r)
|
||
|
return -ENOMEM;
|
||
|
resp = (rndis_set_cmplt_type *) r->buf;
|
||
|
if (!resp)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
DEBUG("set OID %08x value, len %d:\n", OID, buf_len);
|
||
|
for (i = 0; i < buf_len; i += 16) {
|
||
|
DEBUG ("%03d: "
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
"\n",
|
||
|
i,
|
||
|
buf[i], buf [i+1],
|
||
|
buf[i+2], buf[i+3],
|
||
|
buf[i+4], buf [i+5],
|
||
|
buf[i+6], buf[i+7],
|
||
|
buf[i+8], buf [i+9],
|
||
|
buf[i+10], buf[i+11],
|
||
|
buf[i+12], buf [i+13],
|
||
|
buf[i+14], buf[i+15]);
|
||
|
}
|
||
|
|
||
|
switch (OID) {
|
||
|
case OID_GEN_CURRENT_PACKET_FILTER:
|
||
|
params = &rndis_per_dev_params [configNr];
|
||
|
retval = 0;
|
||
|
|
||
|
/* FIXME use these NDIS_PACKET_TYPE_* bitflags to
|
||
|
* filter packets in hard_start_xmit()
|
||
|
* NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in:
|
||
|
* PROMISCUOUS, DIRECTED,
|
||
|
* MULTICAST, ALL_MULTICAST, BROADCAST
|
||
|
*/
|
||
|
params->filter = le32_to_cpup((__le32 *)buf);
|
||
|
DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
|
||
|
__FUNCTION__, params->filter);
|
||
|
|
||
|
/* this call has a significant side effect: it's
|
||
|
* what makes the packet flow start and stop, like
|
||
|
* activating the CDC Ethernet altsetting.
|
||
|
*/
|
||
|
if (params->filter) {
|
||
|
params->state = RNDIS_DATA_INITIALIZED;
|
||
|
netif_carrier_on(params->dev);
|
||
|
if (netif_running(params->dev))
|
||
|
netif_wake_queue (params->dev);
|
||
|
} else {
|
||
|
params->state = RNDIS_INITIALIZED;
|
||
|
netif_carrier_off (params->dev);
|
||
|
netif_stop_queue (params->dev);
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case OID_802_3_MULTICAST_LIST:
|
||
|
/* I think we can ignore this */
|
||
|
DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
|
||
|
retval = 0;
|
||
|
break;
|
||
|
#if 0
|
||
|
case OID_GEN_RNDIS_CONFIG_PARAMETER:
|
||
|
{
|
||
|
struct rndis_config_parameter *param;
|
||
|
param = (struct rndis_config_parameter *) buf;
|
||
|
DEBUG("%s: OID_GEN_RNDIS_CONFIG_PARAMETER '%*s'\n",
|
||
|
__FUNCTION__,
|
||
|
min(cpu_to_le32(param->ParameterNameLength),80),
|
||
|
buf + param->ParameterNameOffset);
|
||
|
retval = 0;
|
||
|
}
|
||
|
break;
|
||
|
#endif
|
||
|
|
||
|
#ifdef RNDIS_PM
|
||
|
case OID_PNP_SET_POWER:
|
||
|
DEBUG ("OID_PNP_SET_POWER\n");
|
||
|
/* sure, handle any power state that maps to USB suspend */
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
case OID_PNP_ENABLE_WAKE_UP:
|
||
|
/* always-connected ... */
|
||
|
DEBUG ("OID_PNP_ENABLE_WAKE_UP\n");
|
||
|
retval = 0;
|
||
|
break;
|
||
|
|
||
|
// no PM resume patterns supported (specified where?)
|
||
|
// so OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN always fails
|
||
|
#endif
|
||
|
|
||
|
default:
|
||
|
printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
|
||
|
__FUNCTION__, OID, buf_len);
|
||
|
}
|
||
|
|
||
|
return retval;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Response Functions
|
||
|
*/
|
||
|
|
||
|
static int rndis_init_response (int configNr, rndis_init_msg_type *buf)
|
||
|
{
|
||
|
rndis_init_cmplt_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP;
|
||
|
|
||
|
r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type));
|
||
|
|
||
|
if (!r) return -ENOMEM;
|
||
|
|
||
|
resp = (rndis_init_cmplt_type *) r->buf;
|
||
|
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (
|
||
|
REMOTE_NDIS_INITIALIZE_CMPLT);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (52);
|
||
|
resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
|
||
|
resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
|
||
|
resp->MajorVersion = __constant_cpu_to_le32 (RNDIS_MAJOR_VERSION);
|
||
|
resp->MinorVersion = __constant_cpu_to_le32 (RNDIS_MINOR_VERSION);
|
||
|
resp->DeviceFlags = __constant_cpu_to_le32 (RNDIS_DF_CONNECTIONLESS);
|
||
|
resp->Medium = __constant_cpu_to_le32 (RNDIS_MEDIUM_802_3);
|
||
|
resp->MaxPacketsPerTransfer = __constant_cpu_to_le32 (1);
|
||
|
resp->MaxTransferSize = cpu_to_le32 (
|
||
|
rndis_per_dev_params [configNr].dev->mtu
|
||
|
+ sizeof (struct ethhdr)
|
||
|
+ sizeof (struct rndis_packet_msg_type)
|
||
|
+ 22);
|
||
|
resp->PacketAlignmentFactor = __constant_cpu_to_le32 (0);
|
||
|
resp->AFListOffset = __constant_cpu_to_le32 (0);
|
||
|
resp->AFListSize = __constant_cpu_to_le32 (0);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int rndis_query_response (int configNr, rndis_query_msg_type *buf)
|
||
|
{
|
||
|
rndis_query_cmplt_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
// DEBUG("%s: OID = %08X\n", __FUNCTION__, cpu_to_le32(buf->OID));
|
||
|
if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP;
|
||
|
|
||
|
/*
|
||
|
* we need more memory:
|
||
|
* oid_supported_list is the largest answer
|
||
|
*/
|
||
|
r = rndis_add_response (configNr, sizeof (oid_supported_list));
|
||
|
|
||
|
if (!r) return -ENOMEM;
|
||
|
resp = (rndis_query_cmplt_type *) r->buf;
|
||
|
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (24);
|
||
|
resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
|
||
|
|
||
|
if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID), r)) {
|
||
|
/* OID not supported */
|
||
|
resp->Status = __constant_cpu_to_le32 (
|
||
|
RNDIS_STATUS_NOT_SUPPORTED);
|
||
|
resp->InformationBufferLength = __constant_cpu_to_le32 (0);
|
||
|
resp->InformationBufferOffset = __constant_cpu_to_le32 (0);
|
||
|
} else
|
||
|
resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int rndis_set_response (int configNr, rndis_set_msg_type *buf)
|
||
|
{
|
||
|
u32 BufLength, BufOffset;
|
||
|
rndis_set_cmplt_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type));
|
||
|
|
||
|
if (!r) return -ENOMEM;
|
||
|
resp = (rndis_set_cmplt_type *) r->buf;
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
BufLength = le32_to_cpu (buf->InformationBufferLength);
|
||
|
BufOffset = le32_to_cpu (buf->InformationBufferOffset);
|
||
|
|
||
|
#ifdef VERBOSE
|
||
|
DEBUG("%s: Length: %d\n", __FUNCTION__, BufLength);
|
||
|
DEBUG("%s: Offset: %d\n", __FUNCTION__, BufOffset);
|
||
|
DEBUG("%s: InfoBuffer: ", __FUNCTION__);
|
||
|
|
||
|
for (i = 0; i < BufLength; i++) {
|
||
|
DEBUG ("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
|
||
|
}
|
||
|
|
||
|
DEBUG ("\n");
|
||
|
#endif
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_SET_CMPLT);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (16);
|
||
|
resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
|
||
|
if (gen_ndis_set_resp (configNr, le32_to_cpu (buf->OID),
|
||
|
((u8 *) buf) + 8 + BufOffset, BufLength, r))
|
||
|
resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED);
|
||
|
else resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf)
|
||
|
{
|
||
|
rndis_reset_cmplt_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type));
|
||
|
|
||
|
if (!r) return -ENOMEM;
|
||
|
resp = (rndis_reset_cmplt_type *) r->buf;
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (16);
|
||
|
resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
|
||
|
/* resent information */
|
||
|
resp->AddressingReset = __constant_cpu_to_le32 (1);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int rndis_keepalive_response (int configNr,
|
||
|
rndis_keepalive_msg_type *buf)
|
||
|
{
|
||
|
rndis_keepalive_cmplt_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
/* host "should" check only in RNDIS_DATA_INITIALIZED state */
|
||
|
|
||
|
r = rndis_add_response (configNr, sizeof (rndis_keepalive_cmplt_type));
|
||
|
resp = (rndis_keepalive_cmplt_type *) r->buf;
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (
|
||
|
REMOTE_NDIS_KEEPALIVE_CMPLT);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (16);
|
||
|
resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
|
||
|
resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Device to Host Comunication
|
||
|
*/
|
||
|
static int rndis_indicate_status_msg (int configNr, u32 status)
|
||
|
{
|
||
|
rndis_indicate_status_msg_type *resp;
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].state == RNDIS_UNINITIALIZED)
|
||
|
return -ENOTSUPP;
|
||
|
|
||
|
r = rndis_add_response (configNr,
|
||
|
sizeof (rndis_indicate_status_msg_type));
|
||
|
if (!r) return -ENOMEM;
|
||
|
|
||
|
resp = (rndis_indicate_status_msg_type *) r->buf;
|
||
|
if (!resp) return -ENOMEM;
|
||
|
|
||
|
resp->MessageType = __constant_cpu_to_le32 (
|
||
|
REMOTE_NDIS_INDICATE_STATUS_MSG);
|
||
|
resp->MessageLength = __constant_cpu_to_le32 (20);
|
||
|
resp->Status = cpu_to_le32 (status);
|
||
|
resp->StatusBufferLength = __constant_cpu_to_le32 (0);
|
||
|
resp->StatusBufferOffset = __constant_cpu_to_le32 (0);
|
||
|
|
||
|
if (rndis_per_dev_params [configNr].ack)
|
||
|
rndis_per_dev_params [configNr].ack (
|
||
|
rndis_per_dev_params [configNr].dev);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int rndis_signal_connect (int configNr)
|
||
|
{
|
||
|
rndis_per_dev_params [configNr].media_state
|
||
|
= NDIS_MEDIA_STATE_CONNECTED;
|
||
|
return rndis_indicate_status_msg (configNr,
|
||
|
RNDIS_STATUS_MEDIA_CONNECT);
|
||
|
}
|
||
|
|
||
|
int rndis_signal_disconnect (int configNr)
|
||
|
{
|
||
|
rndis_per_dev_params [configNr].media_state
|
||
|
= NDIS_MEDIA_STATE_DISCONNECTED;
|
||
|
return rndis_indicate_status_msg (configNr,
|
||
|
RNDIS_STATUS_MEDIA_DISCONNECT);
|
||
|
}
|
||
|
|
||
|
void rndis_set_host_mac (int configNr, const u8 *addr)
|
||
|
{
|
||
|
rndis_per_dev_params [configNr].host_mac = addr;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Message Parser
|
||
|
*/
|
||
|
int rndis_msg_parser (u8 configNr, u8 *buf)
|
||
|
{
|
||
|
u32 MsgType, MsgLength;
|
||
|
__le32 *tmp;
|
||
|
struct rndis_params *params;
|
||
|
|
||
|
if (!buf)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
tmp = (__le32 *) buf;
|
||
|
MsgType = le32_to_cpup(tmp++);
|
||
|
MsgLength = le32_to_cpup(tmp++);
|
||
|
|
||
|
if (configNr >= RNDIS_MAX_CONFIGS)
|
||
|
return -ENOTSUPP;
|
||
|
params = &rndis_per_dev_params [configNr];
|
||
|
|
||
|
/* For USB: responses may take up to 10 seconds */
|
||
|
switch (MsgType)
|
||
|
{
|
||
|
case REMOTE_NDIS_INITIALIZE_MSG:
|
||
|
DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
|
||
|
__FUNCTION__ );
|
||
|
params->state = RNDIS_INITIALIZED;
|
||
|
return rndis_init_response (configNr,
|
||
|
(rndis_init_msg_type *) buf);
|
||
|
|
||
|
case REMOTE_NDIS_HALT_MSG:
|
||
|
DEBUG("%s: REMOTE_NDIS_HALT_MSG\n",
|
||
|
__FUNCTION__ );
|
||
|
params->state = RNDIS_UNINITIALIZED;
|
||
|
if (params->dev) {
|
||
|
netif_carrier_off (params->dev);
|
||
|
netif_stop_queue (params->dev);
|
||
|
}
|
||
|
return 0;
|
||
|
|
||
|
case REMOTE_NDIS_QUERY_MSG:
|
||
|
return rndis_query_response (configNr,
|
||
|
(rndis_query_msg_type *) buf);
|
||
|
|
||
|
case REMOTE_NDIS_SET_MSG:
|
||
|
return rndis_set_response (configNr,
|
||
|
(rndis_set_msg_type *) buf);
|
||
|
|
||
|
case REMOTE_NDIS_RESET_MSG:
|
||
|
DEBUG("%s: REMOTE_NDIS_RESET_MSG\n",
|
||
|
__FUNCTION__ );
|
||
|
return rndis_reset_response (configNr,
|
||
|
(rndis_reset_msg_type *) buf);
|
||
|
|
||
|
case REMOTE_NDIS_KEEPALIVE_MSG:
|
||
|
/* For USB: host does this every 5 seconds */
|
||
|
#ifdef VERBOSE
|
||
|
DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
|
||
|
__FUNCTION__ );
|
||
|
#endif
|
||
|
return rndis_keepalive_response (configNr,
|
||
|
(rndis_keepalive_msg_type *)
|
||
|
buf);
|
||
|
|
||
|
default:
|
||
|
/* At least Windows XP emits some undefined RNDIS messages.
|
||
|
* In one case those messages seemed to relate to the host
|
||
|
* suspending itself.
|
||
|
*/
|
||
|
printk (KERN_WARNING
|
||
|
"%s: unknown RNDIS message 0x%08X len %d\n",
|
||
|
__FUNCTION__ , MsgType, MsgLength);
|
||
|
{
|
||
|
unsigned i;
|
||
|
for (i = 0; i < MsgLength; i += 16) {
|
||
|
DEBUG ("%03d: "
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
" %02x %02x %02x %02x"
|
||
|
"\n",
|
||
|
i,
|
||
|
buf[i], buf [i+1],
|
||
|
buf[i+2], buf[i+3],
|
||
|
buf[i+4], buf [i+5],
|
||
|
buf[i+6], buf[i+7],
|
||
|
buf[i+8], buf [i+9],
|
||
|
buf[i+10], buf[i+11],
|
||
|
buf[i+12], buf [i+13],
|
||
|
buf[i+14], buf[i+15]);
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
return -ENOTSUPP;
|
||
|
}
|
||
|
|
||
|
int rndis_register (int (* rndis_control_ack) (struct net_device *))
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
|
||
|
if (!rndis_per_dev_params [i].used) {
|
||
|
rndis_per_dev_params [i].used = 1;
|
||
|
rndis_per_dev_params [i].ack = rndis_control_ack;
|
||
|
DEBUG("%s: configNr = %d\n", __FUNCTION__, i);
|
||
|
return i;
|
||
|
}
|
||
|
}
|
||
|
DEBUG("failed\n");
|
||
|
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
void rndis_deregister (int configNr)
|
||
|
{
|
||
|
DEBUG("%s: \n", __FUNCTION__ );
|
||
|
|
||
|
if (configNr >= RNDIS_MAX_CONFIGS) return;
|
||
|
rndis_per_dev_params [configNr].used = 0;
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
int rndis_set_param_dev (u8 configNr, struct net_device *dev,
|
||
|
struct net_device_stats *stats)
|
||
|
{
|
||
|
DEBUG("%s:\n", __FUNCTION__ );
|
||
|
if (!dev || !stats) return -1;
|
||
|
if (configNr >= RNDIS_MAX_CONFIGS) return -1;
|
||
|
|
||
|
rndis_per_dev_params [configNr].dev = dev;
|
||
|
rndis_per_dev_params [configNr].stats = stats;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr)
|
||
|
{
|
||
|
DEBUG("%s:\n", __FUNCTION__ );
|
||
|
if (!vendorDescr) return -1;
|
||
|
if (configNr >= RNDIS_MAX_CONFIGS) return -1;
|
||
|
|
||
|
rndis_per_dev_params [configNr].vendorID = vendorID;
|
||
|
rndis_per_dev_params [configNr].vendorDescr = vendorDescr;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed)
|
||
|
{
|
||
|
DEBUG("%s:\n", __FUNCTION__ );
|
||
|
if (configNr >= RNDIS_MAX_CONFIGS) return -1;
|
||
|
|
||
|
rndis_per_dev_params [configNr].medium = medium;
|
||
|
rndis_per_dev_params [configNr].speed = speed;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void rndis_add_hdr (struct sk_buff *skb)
|
||
|
{
|
||
|
struct rndis_packet_msg_type *header;
|
||
|
|
||
|
if (!skb)
|
||
|
return;
|
||
|
header = (void *) skb_push (skb, sizeof *header);
|
||
|
memset (header, 0, sizeof *header);
|
||
|
header->MessageType = __constant_cpu_to_le32 (1);
|
||
|
header->MessageLength = cpu_to_le32(skb->len);
|
||
|
header->DataOffset = __constant_cpu_to_le32 (36);
|
||
|
header->OOBDataOffset = cpu_to_le32(skb->len - 44);
|
||
|
}
|
||
|
|
||
|
void rndis_free_response (int configNr, u8 *buf)
|
||
|
{
|
||
|
rndis_resp_t *r;
|
||
|
struct list_head *act, *tmp;
|
||
|
|
||
|
list_for_each_safe (act, tmp,
|
||
|
&(rndis_per_dev_params [configNr].resp_queue))
|
||
|
{
|
||
|
r = list_entry (act, rndis_resp_t, list);
|
||
|
if (r && r->buf == buf) {
|
||
|
list_del (&r->list);
|
||
|
kfree (r);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
u8 *rndis_get_next_response (int configNr, u32 *length)
|
||
|
{
|
||
|
rndis_resp_t *r;
|
||
|
struct list_head *act, *tmp;
|
||
|
|
||
|
if (!length) return NULL;
|
||
|
|
||
|
list_for_each_safe (act, tmp,
|
||
|
&(rndis_per_dev_params [configNr].resp_queue))
|
||
|
{
|
||
|
r = list_entry (act, rndis_resp_t, list);
|
||
|
if (!r->send) {
|
||
|
r->send = 1;
|
||
|
*length = r->length;
|
||
|
return r->buf;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static rndis_resp_t *rndis_add_response (int configNr, u32 length)
|
||
|
{
|
||
|
rndis_resp_t *r;
|
||
|
|
||
|
r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC);
|
||
|
if (!r) return NULL;
|
||
|
|
||
|
r->buf = (u8 *) (r + 1);
|
||
|
r->length = length;
|
||
|
r->send = 0;
|
||
|
|
||
|
list_add_tail (&r->list,
|
||
|
&(rndis_per_dev_params [configNr].resp_queue));
|
||
|
return r;
|
||
|
}
|
||
|
|
||
|
int rndis_rm_hdr (u8 *buf, u32 *length)
|
||
|
{
|
||
|
u32 i, messageLen, dataOffset;
|
||
|
__le32 *tmp;
|
||
|
|
||
|
tmp = (__le32 *) buf;
|
||
|
|
||
|
if (!buf || !length) return -1;
|
||
|
if (le32_to_cpup(tmp++) != 1) return -1;
|
||
|
|
||
|
messageLen = le32_to_cpup(tmp++);
|
||
|
dataOffset = le32_to_cpup(tmp++) + 8;
|
||
|
|
||
|
if (messageLen < dataOffset || messageLen > *length) return -1;
|
||
|
|
||
|
for (i = dataOffset; i < messageLen; i++)
|
||
|
buf [i - dataOffset] = buf [i];
|
||
|
|
||
|
*length = messageLen - dataOffset;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#ifdef CONFIG_USB_GADGET_DEBUG_FILES
|
||
|
|
||
|
static int rndis_proc_read (char *page, char **start, off_t off, int count, int *eof,
|
||
|
void *data)
|
||
|
{
|
||
|
char *out = page;
|
||
|
int len;
|
||
|
rndis_params *param = (rndis_params *) data;
|
||
|
|
||
|
out += snprintf (out, count,
|
||
|
"Config Nr. %d\n"
|
||
|
"used : %s\n"
|
||
|
"state : %s\n"
|
||
|
"medium : 0x%08X\n"
|
||
|
"speed : %d\n"
|
||
|
"cable : %s\n"
|
||
|
"vendor ID : 0x%08X\n"
|
||
|
"vendor : %s\n",
|
||
|
param->confignr, (param->used) ? "y" : "n",
|
||
|
({ char *s = "?";
|
||
|
switch (param->state) {
|
||
|
case RNDIS_UNINITIALIZED:
|
||
|
s = "RNDIS_UNINITIALIZED"; break;
|
||
|
case RNDIS_INITIALIZED:
|
||
|
s = "RNDIS_INITIALIZED"; break;
|
||
|
case RNDIS_DATA_INITIALIZED:
|
||
|
s = "RNDIS_DATA_INITIALIZED"; break;
|
||
|
}; s; }),
|
||
|
param->medium,
|
||
|
(param->media_state) ? 0 : param->speed*100,
|
||
|
(param->media_state) ? "disconnected" : "connected",
|
||
|
param->vendorID, param->vendorDescr);
|
||
|
|
||
|
len = out - page;
|
||
|
len -= off;
|
||
|
|
||
|
if (len < count) {
|
||
|
*eof = 1;
|
||
|
if (len <= 0)
|
||
|
return 0;
|
||
|
} else
|
||
|
len = count;
|
||
|
|
||
|
*start = page + off;
|
||
|
return len;
|
||
|
}
|
||
|
|
||
|
static int rndis_proc_write (struct file *file, const char __user *buffer,
|
||
|
unsigned long count, void *data)
|
||
|
{
|
||
|
rndis_params *p = data;
|
||
|
u32 speed = 0;
|
||
|
int i, fl_speed = 0;
|
||
|
|
||
|
for (i = 0; i < count; i++) {
|
||
|
char c;
|
||
|
if (get_user(c, buffer))
|
||
|
return -EFAULT;
|
||
|
switch (c) {
|
||
|
case '0':
|
||
|
case '1':
|
||
|
case '2':
|
||
|
case '3':
|
||
|
case '4':
|
||
|
case '5':
|
||
|
case '6':
|
||
|
case '7':
|
||
|
case '8':
|
||
|
case '9':
|
||
|
fl_speed = 1;
|
||
|
speed = speed*10 + c - '0';
|
||
|
break;
|
||
|
case 'C':
|
||
|
case 'c':
|
||
|
rndis_signal_connect (p->confignr);
|
||
|
break;
|
||
|
case 'D':
|
||
|
case 'd':
|
||
|
rndis_signal_disconnect(p->confignr);
|
||
|
break;
|
||
|
default:
|
||
|
if (fl_speed) p->speed = speed;
|
||
|
else DEBUG ("%c is not valid\n", c);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
buffer++;
|
||
|
}
|
||
|
|
||
|
return count;
|
||
|
}
|
||
|
|
||
|
#define NAME_TEMPLATE "driver/rndis-%03d"
|
||
|
|
||
|
static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS];
|
||
|
|
||
|
#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
|
||
|
|
||
|
|
||
|
int __init rndis_init (void)
|
||
|
{
|
||
|
u8 i;
|
||
|
|
||
|
for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
|
||
|
#ifdef CONFIG_USB_GADGET_DEBUG_FILES
|
||
|
char name [20];
|
||
|
|
||
|
sprintf (name, NAME_TEMPLATE, i);
|
||
|
if (!(rndis_connect_state [i]
|
||
|
= create_proc_entry (name, 0660, NULL)))
|
||
|
{
|
||
|
DEBUG ("%s :remove entries", __FUNCTION__);
|
||
|
while (i) {
|
||
|
sprintf (name, NAME_TEMPLATE, --i);
|
||
|
remove_proc_entry (name, NULL);
|
||
|
}
|
||
|
DEBUG ("\n");
|
||
|
return -EIO;
|
||
|
}
|
||
|
|
||
|
rndis_connect_state [i]->nlink = 1;
|
||
|
rndis_connect_state [i]->write_proc = rndis_proc_write;
|
||
|
rndis_connect_state [i]->read_proc = rndis_proc_read;
|
||
|
rndis_connect_state [i]->data = (void *)
|
||
|
(rndis_per_dev_params + i);
|
||
|
#endif
|
||
|
rndis_per_dev_params [i].confignr = i;
|
||
|
rndis_per_dev_params [i].used = 0;
|
||
|
rndis_per_dev_params [i].state = RNDIS_UNINITIALIZED;
|
||
|
rndis_per_dev_params [i].media_state
|
||
|
= NDIS_MEDIA_STATE_DISCONNECTED;
|
||
|
INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue));
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void rndis_exit (void)
|
||
|
{
|
||
|
#ifdef CONFIG_USB_GADGET_DEBUG_FILES
|
||
|
u8 i;
|
||
|
char name [20];
|
||
|
|
||
|
for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
|
||
|
sprintf (name, NAME_TEMPLATE, i);
|
||
|
remove_proc_entry (name, NULL);
|
||
|
}
|
||
|
#endif
|
||
|
}
|
||
|
|