| /* |
| * 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 |
| * |
| * 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. |
| * |
| * 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. |
| * |
| * 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 <linux/netdevice.h> |
| |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| #include <asm/system.h> |
| |
| |
| #undef RNDIS_PM |
| #undef VERBOSE |
| |
| #include "rndis.h" |
| |
| |
| /* The driver for your USB chip needs to support ep0 OUT to work with |
| * RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional). |
| * |
| * Windows hosts need an INF file like Documentation/usb/linux.inf |
| * and will be happier if you provide the host_addr module parameter. |
| */ |
| |
| #if 0 |
| #define DEBUG(str,args...) do { \ |
| if (rndis_debug) \ |
| printk(KERN_DEBUG str , ## args ); \ |
| } while (0) |
| static int rndis_debug = 0; |
| |
| module_param (rndis_debug, bool, 0); |
| MODULE_PARM_DESC (rndis_debug, "enable debugging"); |
| |
| #else |
| |
| #define rndis_debug 0 |
| #define DEBUG(str,args...) do{}while(0) |
| #endif |
| |
| #define RNDIS_MAX_CONFIGS 1 |
| |
| |
| static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS]; |
| |
| /* Driver Version */ |
| 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); |
| |
| |
| /* NDIS Functions */ |
| static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r) |
| { |
| int retval = -ENOTSUPP; |
| u32 length = 0; |
| __le32 *tmp; |
| int i, count; |
| rndis_query_cmplt_type *resp; |
| |
| if (!r) return -ENOMEM; |
| resp = (rndis_query_cmplt_type *) r->buf; |
| |
| if (!resp) return -ENOMEM; |
| |
| switch (OID) { |
| |
| /* general oids (table 4-1) */ |
| |
| /* mandatory */ |
| case OID_GEN_SUPPORTED_LIST: |
| DEBUG ("%s: OID_GEN_SUPPORTED_LIST\n", __FUNCTION__); |
| length = sizeof (oid_supported_list); |
| count = length / sizeof (u32); |
| tmp = (__le32 *) ((u8 *)resp + 24); |
| for (i = 0; i < count; i++) |
| tmp[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! |
| * Hardware must be ready to receive high level protocols. |
| * BTW: |
| * reddite ergo quae sunt Caesaris Caesari |
| * et quae sunt Dei Deo! |
| */ |
| *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MEDIA_SUPPORTED: |
| DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__); |
| length = 4; |
| *((__le32 *) resp + 6) = 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) */ |
| *((__le32 *) resp + 6) = 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; |
| *((__le32 *) resp + 6) = cpu_to_le32 ( |
| rndis_per_dev_params [configNr].dev->mtu); |
| retval = 0; |
| } else { |
| *((__le32 *) 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_per_dev_params [configNr].media_state |
| == NDIS_MEDIA_STATE_DISCONNECTED) |
| *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0); |
| else |
| *((__le32 *) resp + 6) = cpu_to_le32 ( |
| rndis_per_dev_params [configNr].speed); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_TRANSMIT_BLOCK_SIZE: |
| DEBUG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __FUNCTION__); |
| if (rndis_per_dev_params [configNr].dev) { |
| length = 4; |
| *((__le32 *) resp + 6) = 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; |
| *((__le32 *) resp + 6) = 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; |
| *((__le32 *) resp + 6) = 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, |
| 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 */ |
| *((__le32 *) resp + 6) = rndis_driver_version; |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_CURRENT_PACKET_FILTER: |
| DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __FUNCTION__); |
| length = 4; |
| *((__le32 *) resp + 6) = 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; |
| *((__le32 *) resp + 6) = __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; |
| *((__le32 *) resp + 6) = 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; |
| *((__le32 *) resp + 6) = __constant_cpu_to_le32 (0); |
| retval = 0; |
| break; |
| |
| /* The RNDIS specification is incomplete/wrong. Some versions |
| * of MS-Windows expect OIDs that aren't specified there. Other |
| * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! |
| */ |
| case OID_GEN_MAC_OPTIONS: /* from WinME */ |
| DEBUG("%s: OID_GEN_MAC_OPTIONS\n", __FUNCTION__); |
| length = 4; |
| *((__le32 *) resp + 6) = __constant_cpu_to_le32( |
| NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
| | NDIS_MAC_OPTION_FULL_DUPLEX); |
| retval = 0; |
| break; |
| |
| /* statistics OIDs (table 4-2) */ |
| |
| /* mandatory */ |
| case OID_GEN_XMIT_OK: |
| DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__); |
| 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); |
| retval = 0; |
| } else { |
| *((__le32 *) 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_per_dev_params [configNr].stats) { |
| length = 4; |
| *((__le32 *) resp + 6) = 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 { |
| *((__le32 *) 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_per_dev_params [configNr].stats) { |
| length = 4; |
| *((__le32 *) resp + 6) = cpu_to_le32 ( |
| rndis_per_dev_params [configNr] |
| .stats->tx_errors); |
| retval = 0; |
| } else { |
| *((__le32 *) 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_per_dev_params [configNr].stats) { |
| *((__le32 *) resp + 6) = cpu_to_le32 ( |
| rndis_per_dev_params [configNr] |
| .stats->rx_errors); |
| retval = 0; |
| } else { |
| *((__le32 *) 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) { |
| *((__le32 *) resp + 6) = cpu_to_le32 ( |
| rndis_per_dev_params [configNr] |
| .stats->rx_dropped); |
| retval = 0; |
| } else { |
| *((__le32 *) 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; |
| *((__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_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 |
| } |
| |
