-/*
+/*
* RNDIS MSG parser
- *
+ *
* Version: $Id: rndis.c,v 1.19 2004/03/25 21:33:46 robert Exp $
- *
+ *
* Authors: Benedikt Spranger, Pengutronix
- * Robert Schwebel, Pengutronix
- *
+ * Robert Schwebel, Pengutronix
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * version 2, as published by the Free Software Foundation.
- *
+ * version 2, as published by the Free Software Foundation.
+ *
* This software was originally developed in conformance with
* Microsoft's Remote NDIS Specification License Agreement.
- *
+ *
* 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
* Fixed message length bug in init_response
- *
+ *
* 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
- * Fixed rndis_rm_hdr length bug.
+ * Fixed rndis_rm_hdr length bug.
*
* Copyright (C) 2004 by David Brownell
* updates to merge with Linux 2.6, better match RNDIS spec
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/errno.h>
-#include <linux/version.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/proc_fs.h>
#include <asm/io.h>
#include <asm/byteorder.h>
#include <asm/system.h>
+#include <asm/unaligned.h>
#undef RNDIS_PM
+#undef RNDIS_WAKEUP
#undef VERBOSE
#include "rndis.h"
} while (0)
static int rndis_debug = 0;
-module_param (rndis_debug, bool, 0);
+module_param (rndis_debug, int, 0);
MODULE_PARM_DESC (rndis_debug, "enable debugging");
#else
static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS];
/* Driver Version */
-static const u32 rndis_driver_version = __constant_cpu_to_le32 (1);
+static const __le32 rndis_driver_version = __constant_cpu_to_le32 (1);
/* Function Prototypes */
-static int rndis_init_response (int configNr, rndis_init_msg_type *buf);
-static int rndis_query_response (int configNr, rndis_query_msg_type *buf);
-static int rndis_set_response (int configNr, rndis_set_msg_type *buf);
-static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf);
-static int rndis_keepalive_response (int configNr,
- rndis_keepalive_msg_type *buf);
-
static rndis_resp_t *rndis_add_response (int configNr, u32 length);
+/* supported OIDs */
+static const u32 oid_supported_list [] =
+{
+ /* the general stuff */
+ OID_GEN_SUPPORTED_LIST,
+ OID_GEN_HARDWARE_STATUS,
+ OID_GEN_MEDIA_SUPPORTED,
+ OID_GEN_MEDIA_IN_USE,
+ OID_GEN_MAXIMUM_FRAME_SIZE,
+ OID_GEN_LINK_SPEED,
+ OID_GEN_TRANSMIT_BLOCK_SIZE,
+ OID_GEN_RECEIVE_BLOCK_SIZE,
+ OID_GEN_VENDOR_ID,
+ OID_GEN_VENDOR_DESCRIPTION,
+ OID_GEN_VENDOR_DRIVER_VERSION,
+ OID_GEN_CURRENT_PACKET_FILTER,
+ OID_GEN_MAXIMUM_TOTAL_SIZE,
+ OID_GEN_MEDIA_CONNECT_STATUS,
+ OID_GEN_PHYSICAL_MEDIUM,
+#if 0
+ OID_GEN_RNDIS_CONFIG_PARAMETER,
+#endif
+
+ /* the statistical stuff */
+ OID_GEN_XMIT_OK,
+ OID_GEN_RCV_OK,
+ OID_GEN_XMIT_ERROR,
+ OID_GEN_RCV_ERROR,
+ OID_GEN_RCV_NO_BUFFER,
+#ifdef RNDIS_OPTIONAL_STATS
+ OID_GEN_DIRECTED_BYTES_XMIT,
+ OID_GEN_DIRECTED_FRAMES_XMIT,
+ OID_GEN_MULTICAST_BYTES_XMIT,
+ OID_GEN_MULTICAST_FRAMES_XMIT,
+ OID_GEN_BROADCAST_BYTES_XMIT,
+ OID_GEN_BROADCAST_FRAMES_XMIT,
+ OID_GEN_DIRECTED_BYTES_RCV,
+ OID_GEN_DIRECTED_FRAMES_RCV,
+ OID_GEN_MULTICAST_BYTES_RCV,
+ OID_GEN_MULTICAST_FRAMES_RCV,
+ OID_GEN_BROADCAST_BYTES_RCV,
+ OID_GEN_BROADCAST_FRAMES_RCV,
+ OID_GEN_RCV_CRC_ERROR,
+ OID_GEN_TRANSMIT_QUEUE_LENGTH,
+#endif /* RNDIS_OPTIONAL_STATS */
+
+ /* mandatory 802.3 */
+ /* the general stuff */
+ OID_802_3_PERMANENT_ADDRESS,
+ OID_802_3_CURRENT_ADDRESS,
+ OID_802_3_MULTICAST_LIST,
+ OID_802_3_MAC_OPTIONS,
+ OID_802_3_MAXIMUM_LIST_SIZE,
+
+ /* the statistical stuff */
+ OID_802_3_RCV_ERROR_ALIGNMENT,
+ OID_802_3_XMIT_ONE_COLLISION,
+ OID_802_3_XMIT_MORE_COLLISIONS,
+#ifdef RNDIS_OPTIONAL_STATS
+ OID_802_3_XMIT_DEFERRED,
+ OID_802_3_XMIT_MAX_COLLISIONS,
+ OID_802_3_RCV_OVERRUN,
+ OID_802_3_XMIT_UNDERRUN,
+ OID_802_3_XMIT_HEARTBEAT_FAILURE,
+ OID_802_3_XMIT_TIMES_CRS_LOST,
+ OID_802_3_XMIT_LATE_COLLISIONS,
+#endif /* RNDIS_OPTIONAL_STATS */
+
+#ifdef RNDIS_PM
+ /* PM and wakeup are mandatory for USB: */
+
+ /* power management */
+ OID_PNP_CAPABILITIES,
+ OID_PNP_QUERY_POWER,
+ OID_PNP_SET_POWER,
+
+#ifdef RNDIS_WAKEUP
+ /* wake up host */
+ OID_PNP_ENABLE_WAKE_UP,
+ OID_PNP_ADD_WAKE_UP_PATTERN,
+ OID_PNP_REMOVE_WAKE_UP_PATTERN,
+#endif /* RNDIS_WAKEUP */
+#endif /* RNDIS_PM */
+};
+
+
/* NDIS Functions */
-static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
+static int
+gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
+ rndis_resp_t *r)
{
- int retval = -ENOTSUPP;
- u32 length = 0;
- u32 *tmp;
+ int retval = -ENOTSUPP;
+ u32 length = 4; /* usually */
+ __le32 *outbuf;
int i, count;
rndis_query_cmplt_type *resp;
resp = (rndis_query_cmplt_type *) r->buf;
if (!resp) return -ENOMEM;
-
+
+ if (buf_len && rndis_debug > 1) {
+ DEBUG("query OID %08x value, len %d:\n", OID, buf_len);
+ for (i = 0; i < buf_len; i += 16) {
+ DEBUG ("%03d: %08x %08x %08x %08x\n", i,
+ le32_to_cpup((__le32 *)&buf[i]),
+ le32_to_cpup((__le32 *)&buf[i + 4]),
+ le32_to_cpup((__le32 *)&buf[i + 8]),
+ le32_to_cpup((__le32 *)&buf[i + 12]));
+ }
+ }
+
+ /* response goes here, right after the header */
+ outbuf = (__le32 *) &resp[1];
+ resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
+
switch (OID) {
/* general oids (table 4-1) */
DEBUG ("%s: OID_GEN_SUPPORTED_LIST\n", __FUNCTION__);
length = sizeof (oid_supported_list);
count = length / sizeof (u32);
- tmp = (u32 *) ((u8 *)resp + 24);
for (i = 0; i < count; i++)
- tmp[i] = cpu_to_le32 (oid_supported_list[i]);
+ outbuf[i] = cpu_to_le32 (oid_supported_list[i]);
retval = 0;
break;
-
+
/* mandatory */
case OID_GEN_HARDWARE_STATUS:
DEBUG("%s: OID_GEN_HARDWARE_STATUS\n", __FUNCTION__);
- length = 4;
- /* Bogus question!
+ /* Bogus question!
* Hardware must be ready to receive high level protocols.
- * BTW:
+ * BTW:
* reddite ergo quae sunt Caesaris Caesari
* et quae sunt Dei Deo!
*/
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
-
+
/* mandatory */
case OID_GEN_MEDIA_SUPPORTED:
DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].medium);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
retval = 0;
break;
-
+
/* mandatory */
case OID_GEN_MEDIA_IN_USE:
DEBUG("%s: OID_GEN_MEDIA_IN_USE\n", __FUNCTION__);
- length = 4;
/* one medium, one transport... (maybe you do it better) */
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].medium);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium);
retval = 0;
break;
-
+
/* mandatory */
case OID_GEN_MAXIMUM_FRAME_SIZE:
DEBUG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_LINK_SPEED:
- DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
- length = 4;
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].media_state
- == NDIS_MEDIA_STATE_DISCONNECTED)
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ == NDIS_MEDIA_STATE_DISCONNECTED)
+ *outbuf = __constant_cpu_to_le32 (0);
else
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].speed);
retval = 0;
break;
case OID_GEN_TRANSMIT_BLOCK_SIZE:
DEBUG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_RECEIVE_BLOCK_SIZE:
DEBUG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].dev->mtu);
retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_VENDOR_ID:
DEBUG("%s: OID_GEN_VENDOR_ID\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
rndis_per_dev_params [configNr].vendorID);
retval = 0;
break;
-
+
/* mandatory */
case OID_GEN_VENDOR_DESCRIPTION:
DEBUG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __FUNCTION__);
length = strlen (rndis_per_dev_params [configNr].vendorDescr);
- memcpy ((u8 *) resp + 24,
+ memcpy (outbuf,
rndis_per_dev_params [configNr].vendorDescr, length);
retval = 0;
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
DEBUG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __FUNCTION__);
- length = 4;
/* Created as LE */
- *((u32 *) resp + 6) = rndis_driver_version;
+ *outbuf = rndis_driver_version;
retval = 0;
break;
/* mandatory */
case OID_GEN_CURRENT_PACKET_FILTER:
DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params[configNr].filter);
+ *outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter);
retval = 0;
break;
/* mandatory */
case OID_GEN_MAXIMUM_TOTAL_SIZE:
DEBUG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = __constant_cpu_to_le32(
- RNDIS_MAX_TOTAL_SIZE);
+ *outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
retval = 0;
break;
/* mandatory */
case OID_GEN_MEDIA_CONNECT_STATUS:
- DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.media_state);
retval = 0;
break;
case OID_GEN_PHYSICAL_MEDIUM:
DEBUG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
*/
case OID_GEN_MAC_OPTIONS: /* from WinME */
DEBUG("%s: OID_GEN_MAC_OPTIONS\n", __FUNCTION__);
- length = 4;
- *((u32 *) resp + 6) = __constant_cpu_to_le32(
+ *outbuf = __constant_cpu_to_le32(
NDIS_MAC_OPTION_RECEIVE_SERIALIZED
| NDIS_MAC_OPTION_FULL_DUPLEX);
retval = 0;
/* mandatory */
case OID_GEN_XMIT_OK:
- DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].stats->tx_packets -
+ *outbuf = 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);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
/* mandatory */
case OID_GEN_RCV_OK:
- DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr].stats->rx_packets -
+ *outbuf = cpu_to_le32 (
+ rndis_per_dev_params [configNr].stats->rx_packets -
rndis_per_dev_params [configNr].stats->rx_errors -
rndis_per_dev_params [configNr].stats->rx_dropped);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_XMIT_ERROR:
- DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- length = 4;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_errors);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_RCV_ERROR:
- DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
+ if (rndis_debug > 1)
+ DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_errors);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
-
+
/* mandatory */
case OID_GEN_RCV_NO_BUFFER:
DEBUG("%s: OID_GEN_RCV_NO_BUFFER\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].stats) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_dropped);
retval = 0;
- } else {
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
- retval = 0;
}
break;
#ifdef RNDIS_OPTIONAL_STATS
case OID_GEN_DIRECTED_BYTES_XMIT:
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;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
(rndis_per_dev_params [configNr]
- .stats->tx_packets -
+ .stats->tx_packets -
rndis_per_dev_params [configNr]
.stats->tx_errors -
rndis_per_dev_params [configNr]
.stats->tx_dropped)
* 123);
retval = 0;
- } else {
- *((u32 *) 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;
- *((u32 *) resp + 6) = cpu_to_le32 (
+ *outbuf = cpu_to_le32 (
(rndis_per_dev_params [configNr]
- .stats->tx_packets -
+ .stats->tx_packets -
rndis_per_dev_params [configNr]
.stats->tx_errors -
rndis_per_dev_params [configNr]
.stats->tx_dropped)
/ 123);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast*1234);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_packets/42*255);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->tx_packets/42);
retval = 0;
- } else {
- *((u32 *) 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__);
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
-
+
case OID_GEN_DIRECTED_FRAMES_RCV:
DEBUG("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __FUNCTION__);
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast * 1111);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->multicast);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_packets/42*255);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_packets/42);
retval = 0;
- } else {
- *((u32 *) 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) {
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr]
.stats->rx_crc_errors);
retval = 0;
- } else {
- *((u32 *) 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__);
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __constant_cpu_to_le32 (0);
retval = 0;
break;
#endif /* RNDIS_OPTIONAL_STATS */
DEBUG("%s: OID_802_3_PERMANENT_ADDRESS\n", __FUNCTION__);
if (rndis_per_dev_params [configNr].dev) {
length = ETH_ALEN;
- memcpy ((u8 *) resp + 24,
+ memcpy (outbuf,
rndis_per_dev_params [configNr].host_mac,
length);
retval = 0;
- } else {
- *((u32 *) 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,
+ memcpy (outbuf,
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 */
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0xE0000000);
+ *outbuf = __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 */
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (1);
+ *outbuf = __constant_cpu_to_le32 (1);
retval = 0;
break;
-
+
case OID_802_3_MAC_OPTIONS:
DEBUG("%s: OID_802_3_MAC_OPTIONS\n", __FUNCTION__);
break;
/* 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;
- *((u32 *) resp + 6) = cpu_to_le32 (
- rndis_per_dev_params [configNr]
+ if (rndis_per_dev_params [configNr].stats) {
+ *outbuf = 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;
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __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;
- *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
+ *outbuf = __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;
+ break;
#endif /* RNDIS_OPTIONAL_STATS */
#ifdef RNDIS_PM
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)
- */
+ /* for now, no wakeup capabilities */
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
- */
- }
+ memset(outbuf, 0, length);
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 */
+ DEBUG("%s: OID_PNP_QUERY_POWER D%d\n", __FUNCTION__,
+ le32_to_cpup((__le32 *) buf) - 1);
+ /* only suspend is a real power state, and
+ * it can't be entered by OID_PNP_SET_POWER...
+ */
+ length = 0;
retval = 0;
break;
#endif
default:
- printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
+ printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
__FUNCTION__, OID);
}
-
- resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
+ if (retval < 0)
+ length = 0;
+
resp->InformationBufferLength = cpu_to_le32 (length);
- resp->MessageLength = cpu_to_le32 (24 + length);
- r->length = 24 + length;
+ r->length = length + sizeof *resp;
+ resp->MessageLength = cpu_to_le32 (r->length);
return retval;
}
-static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
- rndis_resp_t *r)
+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;
+ int i, retval = -ENOTSUPP;
struct rndis_params *params;
if (!r)
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]);
+ if (buf_len && rndis_debug > 1) {
+ DEBUG("set OID %08x value, len %d:\n", OID, buf_len);
+ for (i = 0; i < buf_len; i += 16) {
+ DEBUG ("%03d: %08x %08x %08x %08x\n", i,
+ le32_to_cpup((__le32 *)&buf[i]),
+ le32_to_cpup((__le32 *)&buf[i + 4]),
+ le32_to_cpup((__le32 *)&buf[i + 8]),
+ le32_to_cpup((__le32 *)&buf[i + 12]));
+ }
}
+ params = &rndis_per_dev_params [configNr];
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 == CDC_PACKET_TYPE_x for x in:
+ /* these NDIS_PACKET_TYPE_* bitflags are shared with
+ * cdc_filter; it's not RNDIS-specific
+ * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in:
* PROMISCUOUS, DIRECTED,
* MULTICAST, ALL_MULTICAST, BROADCAST
*/
- params->filter = cpu_to_le32p((u32 *)buf);
+ *params->filter = (u16) le32_to_cpup((__le32 *)buf);
DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
- __FUNCTION__, params->filter);
+ __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) {
+#ifdef RNDIS_PM
+update_linkstate:
+#endif
+ retval = 0;
+ if (*params->filter) {
params->state = RNDIS_DATA_INITIALIZED;
netif_carrier_on(params->dev);
if (netif_running(params->dev))
netif_stop_queue (params->dev);
}
break;
-
+
case OID_802_3_MULTICAST_LIST:
- /* I think we can ignore this */
+ /* I think we can ignore this */
DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
retval = 0;
break;
#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;
+ /* The only real power state is USB suspend, and RNDIS requests
+ * can't enter it; this one isn't really about power. After
+ * resuming, Windows forces a reset, and then SET_POWER D0.
+ * FIXME ... then things go batty; Windows wedges itself.
+ */
+ i = le32_to_cpup((__force __le32 *)buf);
+ DEBUG("%s: OID_PNP_SET_POWER D%d\n", __FUNCTION__, i - 1);
+ switch (i) {
+ case NdisDeviceStateD0:
+ *params->filter = params->saved_filter;
+ goto update_linkstate;
+ case NdisDeviceStateD3:
+ case NdisDeviceStateD2:
+ case NdisDeviceStateD1:
+ params->saved_filter = *params->filter;
+ retval = 0;
+ break;
+ }
break;
- // no PM resume patterns supported (specified where?)
- // so OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN always fails
+#ifdef RNDIS_WAKEUP
+ // no wakeup support advertised, so wakeup OIDs always fail:
+ // - OID_PNP_ENABLE_WAKE_UP
+ // - OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN
#endif
+#endif /* RNDIS_PM */
+
default:
- printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
+ printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
__FUNCTION__, OID, buf_len);
}
-
+
return retval;
}
-/*
- * Response Functions
+/*
+ * Response Functions
*/
static int rndis_init_response (int configNr, rndis_init_msg_type *buf)
{
- rndis_init_cmplt_type *resp;
+ 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;
-
+ 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->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);
-
+ rndis_per_dev_params [configNr].ack (
+ rndis_per_dev_params [configNr].dev);
+
return 0;
}
{
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
+
+ /*
+ * we need more memory:
+ * gen_ndis_query_resp expects enough space for
+ * rndis_query_cmplt_type followed by data.
+ * oid_supported_list is the largest data reply
*/
- r = rndis_add_response (configNr, sizeof (oid_supported_list));
-
- if (!r) return -ENOMEM;
+ r = rndis_add_response (configNr,
+ sizeof (oid_supported_list) + sizeof(rndis_query_cmplt_type));
+ 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, cpu_to_le32 (buf->OID), r)) {
+
+ if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID),
+ le32_to_cpu(buf->InformationBufferOffset)
+ + 8 + (u8 *) buf,
+ le32_to_cpu(buf->InformationBufferLength),
+ r)) {
/* OID not supported */
resp->Status = __constant_cpu_to_le32 (
RNDIS_STATUS_NOT_SUPPORTED);
+ resp->MessageLength = __constant_cpu_to_le32 (sizeof *resp);
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);
+ rndis_per_dev_params [configNr].ack (
+ rndis_per_dev_params [configNr].dev);
return 0;
}
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;
+ if (!r)
+ return -ENOMEM;
resp = (rndis_set_cmplt_type *) r->buf;
- if (!resp) return -ENOMEM;
- BufLength = cpu_to_le32 (buf->InformationBufferLength);
- BufOffset = cpu_to_le32 (buf->InformationBufferOffset);
+ 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, cpu_to_le32 (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 (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);
-
+ rndis_per_dev_params [configNr].ack (
+ rndis_per_dev_params [configNr].dev);
+
return 0;
}
{
rndis_reset_cmplt_type *resp;
rndis_resp_t *r;
-
+
r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type));
-
- if (!r) return -ENOMEM;
+ 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);
+ 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_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));
+ if (!r)
+ return -ENOMEM;
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);
-
+ rndis_per_dev_params [configNr].ack (
+ rndis_per_dev_params [configNr].dev);
+
return 0;
}
-/*
- * Device to Host Comunication
+/*
+ * Device to Host Comunication
*/
static int rndis_indicate_status_msg (int configNr, u32 status)
{
- rndis_indicate_status_msg_type *resp;
+ 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,
+ return -ENOTSUPP;
+
+ r = rndis_add_response (configNr,
sizeof (rndis_indicate_status_msg_type));
- if (!r) return -ENOMEM;
-
+ 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);
+
+ if (rndis_per_dev_params [configNr].ack)
+ rndis_per_dev_params [configNr].ack (
+ rndis_per_dev_params [configNr].dev);
return 0;
}
{
rndis_per_dev_params [configNr].media_state
= NDIS_MEDIA_STATE_CONNECTED;
- return rndis_indicate_status_msg (configNr,
+ return rndis_indicate_status_msg (configNr,
RNDIS_STATUS_MEDIA_CONNECT);
}
RNDIS_STATUS_MEDIA_DISCONNECT);
}
+void rndis_uninit (int configNr)
+{
+ u8 *buf;
+ u32 length;
+
+ if (configNr >= RNDIS_MAX_CONFIGS)
+ return;
+ rndis_per_dev_params [configNr].used = 0;
+ rndis_per_dev_params [configNr].state = RNDIS_UNINITIALIZED;
+
+ /* drain the response queue */
+ while ((buf = rndis_get_next_response(configNr, &length)))
+ rndis_free_response(configNr, buf);
+}
+
void rndis_set_host_mac (int configNr, const u8 *addr)
{
rndis_per_dev_params [configNr].host_mac = addr;
}
-/*
- * Message Parser
+/*
+ * Message Parser
*/
int rndis_msg_parser (u8 configNr, u8 *buf)
{
- u32 MsgType, MsgLength, *tmp;
+ u32 MsgType, MsgLength;
+ __le32 *tmp;
struct rndis_params *params;
-
+
if (!buf)
return -ENOMEM;
-
- tmp = (u32 *) buf;
- MsgType = cpu_to_le32p(tmp++);
- MsgLength = cpu_to_le32p(tmp++);
-
+
+ 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];
-
+
+ /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for
+ * rx/tx statistics and link status, in addition to KEEPALIVE traffic
+ * and normal HC level polling to see if there's any IN traffic.
+ */
+
/* For USB: responses may take up to 10 seconds */
- switch (MsgType)
- {
+ switch (MsgType) {
case REMOTE_NDIS_INITIALIZE_MSG:
- DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
+ DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
__FUNCTION__ );
params->state = RNDIS_INITIALIZED;
return rndis_init_response (configNr,
- (rndis_init_msg_type *) buf);
-
+ (rndis_init_msg_type *) buf);
+
case REMOTE_NDIS_HALT_MSG:
DEBUG("%s: REMOTE_NDIS_HALT_MSG\n",
__FUNCTION__ );
netif_stop_queue (params->dev);
}
return 0;
-
+
case REMOTE_NDIS_QUERY_MSG:
- return rndis_query_response (configNr,
- (rndis_query_msg_type *) buf);
-
+ 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);
-
+ return rndis_set_response (configNr,
+ (rndis_set_msg_type *) buf);
+
case REMOTE_NDIS_RESET_MSG:
- DEBUG("%s: REMOTE_NDIS_RESET_MSG\n",
+ DEBUG("%s: REMOTE_NDIS_RESET_MSG\n",
__FUNCTION__ );
return rndis_reset_response (configNr,
- (rndis_reset_msg_type *) buf);
+ (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
+ if (rndis_debug > 1)
+ DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
+ __FUNCTION__ );
return rndis_keepalive_response (configNr,
- (rndis_keepalive_msg_type *)
+ (rndis_keepalive_msg_type *)
buf);
-
- default:
+
+ 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",
+ "%s: unknown RNDIS message 0x%08X len %d\n",
__FUNCTION__ , MsgType, MsgLength);
{
unsigned i;
}
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;
}
}
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)
+int rndis_set_param_dev (u8 configNr, struct net_device *dev,
+ struct net_device_stats *stats,
+ u16 *cdc_filter)
{
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;
-
+ rndis_per_dev_params [configNr].filter = cdc_filter;
+
return 0;
}
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__ );
+ DEBUG("%s: %u %u\n", __FUNCTION__, medium, speed);
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)
{
- if (!skb) return;
- skb_push (skb, sizeof (struct rndis_packet_msg_type));
- memset (skb->data, 0, sizeof (struct rndis_packet_msg_type));
- *((u32 *) skb->data) = __constant_cpu_to_le32 (1);
- *((u32 *) skb->data + 1) = cpu_to_le32(skb->len);
- *((u32 *) skb->data + 2) = __constant_cpu_to_le32 (36);
- *((u32 *) skb->data + 3) = cpu_to_le32(skb->len - 44);
-
- return;
+ 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(REMOTE_NDIS_PACKET_MSG);
+ header->MessageLength = cpu_to_le32(skb->len);
+ header->DataOffset = __constant_cpu_to_le32 (36);
+ header->DataLength = cpu_to_le32(skb->len - sizeof *header);
}
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))
+
+ 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) {
u8 *rndis_get_next_response (int configNr, u32 *length)
{
rndis_resp_t *r;
- struct list_head *act, *tmp;
-
+ struct list_head *act, *tmp;
+
if (!length) return NULL;
-
- list_for_each_safe (act, tmp,
- &(rndis_per_dev_params [configNr].resp_queue))
+
+ list_for_each_safe (act, tmp,
+ &(rndis_per_dev_params [configNr].resp_queue))
{
r = list_entry (act, rndis_resp_t, list);
if (!r->send) {
return r->buf;
}
}
-
+
return NULL;
}
static rndis_resp_t *rndis_add_response (int configNr, u32 length)
{
rndis_resp_t *r;
-
+
+ /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */
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));
+
+ list_add_tail (&r->list,
+ &(rndis_per_dev_params [configNr].resp_queue));
return r;
}
-int rndis_rm_hdr (u8 *buf, u32 *length)
+int rndis_rm_hdr(struct sk_buff *skb)
{
- u32 i, messageLen, dataOffset, *tmp;
-
- tmp = (u32 *) buf;
-
- if (!buf || !length) return -1;
- if (cpu_to_le32p(tmp++) != 1) return -1;
-
- messageLen = cpu_to_le32p(tmp++);
- dataOffset = cpu_to_le32p(tmp++) + 8;
-
- if (messageLen < dataOffset || messageLen > *length) return -1;
-
- for (i = dataOffset; i < messageLen; i++)
- buf [i - dataOffset] = buf [i];
-
- *length = messageLen - dataOffset;
-
+ /* tmp points to a struct rndis_packet_msg_type */
+ __le32 *tmp = (void *) skb->data;
+
+ /* MessageType, MessageLength */
+ if (__constant_cpu_to_le32(REMOTE_NDIS_PACKET_MSG)
+ != get_unaligned(tmp++))
+ return -EINVAL;
+ tmp++;
+
+ /* DataOffset, DataLength */
+ if (!skb_pull(skb, le32_to_cpu(get_unaligned(tmp++))
+ + 8 /* offset of DataOffset */))
+ return -EOVERFLOW;
+ skb_trim(skb, le32_to_cpu(get_unaligned(tmp++)));
+
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)
+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,
+
+ out += snprintf (out, count,
"Config Nr. %d\n"
"used : %s\n"
"state : %s\n"
"speed : %d\n"
"cable : %s\n"
"vendor ID : 0x%08X\n"
- "vendor : %s\n",
- param->confignr, (param->used) ? "y" : "n",
+ "vendor : %s\n",
+ param->confignr, (param->used) ? "y" : "n",
({ char *s = "?";
switch (param->state) {
case RNDIS_UNINITIALIZED:
case RNDIS_DATA_INITIALIZED:
s = "RNDIS_DATA_INITIALIZED"; break;
}; s; }),
- param->medium,
- (param->media_state) ? 0 : param->speed*100,
+ param->medium,
+ (param->media_state) ? 0 : param->speed*100,
(param->media_state) ? "disconnected" : "connected",
- param->vendorID, param->vendorDescr);
-
+ 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)
+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))
case 'd':
rndis_signal_disconnect(p->confignr);
break;
- default:
+ default:
if (fl_speed) p->speed = speed;
else DEBUG ("%c is not valid\n", c);
break;
}
-
+
buffer++;
}
-
+
return count;
}
#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
-int __init rndis_init (void)
+int __devinit rndis_init (void)
{
u8 i;
sprintf (name, NAME_TEMPLATE, i);
if (!(rndis_connect_state [i]
- = create_proc_entry (name, 0660, NULL)))
+ = create_proc_entry (name, 0660, NULL)))
{
DEBUG ("%s :remove entries", __FUNCTION__);
while (i) {
= NDIS_MEDIA_STATE_DISCONNECTED;
INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue));
}
-
+
return 0;
}
#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);
git://git.onelab.eu / linux-2.6.git / blobdiff