| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * RNDIS MSG parser |
| * |
| * Authors: Benedikt Spranger, Pengutronix |
| * Robert Schwebel, Pengutronix |
| * |
| * 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 <common.h> |
| #include <log.h> |
| #include <net.h> |
| #include <malloc.h> |
| #include <linux/types.h> |
| #include <linux/list.h> |
| #include <linux/netdevice.h> |
| |
| #include <asm/byteorder.h> |
| #include <asm/unaligned.h> |
| #include <linux/errno.h> |
| |
| #undef RNDIS_PM |
| #undef RNDIS_WAKEUP |
| #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. |
| */ |
| |
| #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 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, u8 *buf, |
| unsigned buf_len, rndis_resp_t *r) |
| { |
| int retval = -ENOTSUPP; |
| u32 length = 4; /* usually */ |
| __le32 *outbuf; |
| int i, count; |
| rndis_query_cmplt_type *resp; |
| rndis_params *params; |
| |
| if (!r) |
| return -ENOMEM; |
| resp = (rndis_query_cmplt_type *) r->buf; |
| |
| if (!resp) |
| return -ENOMEM; |
| |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| if (buf_len) { |
| 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, |
| get_unaligned_le32(&buf[i]), |
| get_unaligned_le32(&buf[i + 4]), |
| get_unaligned_le32(&buf[i + 8]), |
| get_unaligned_le32(&buf[i + 12])); |
| } |
| } |
| #endif |
| |
| /* response goes here, right after the header */ |
| outbuf = (__le32 *) &resp[1]; |
| resp->InformationBufferOffset = __constant_cpu_to_le32(16); |
| |
| params = &rndis_per_dev_params[configNr]; |
| switch (OID) { |
| |
| /* general oids (table 4-1) */ |
| |
| /* mandatory */ |
| case OID_GEN_SUPPORTED_LIST: |
| debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__); |
| length = sizeof(oid_supported_list); |
| count = length / sizeof(u32); |
| for (i = 0; i < count; 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", __func__); |
| /* |
| * Bogus question! |
| * Hardware must be ready to receive high level protocols. |
| * BTW: |
| * reddite ergo quae sunt Caesaris Caesari |
| * et quae sunt Dei Deo! |
| */ |
| *outbuf = __constant_cpu_to_le32(0); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MEDIA_SUPPORTED: |
| debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__); |
| *outbuf = cpu_to_le32(params->medium); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MEDIA_IN_USE: |
| debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__); |
| /* one medium, one transport... (maybe you do it better) */ |
| *outbuf = cpu_to_le32(params->medium); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MAXIMUM_FRAME_SIZE: |
| debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); |
| if (params->dev) { |
| *outbuf = cpu_to_le32(params->mtu); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_LINK_SPEED: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_LINK_SPEED\n", __func__); |
| #endif |
| if (params->media_state == NDIS_MEDIA_STATE_DISCONNECTED) |
| *outbuf = __constant_cpu_to_le32(0); |
| else |
| *outbuf = cpu_to_le32(params->speed); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_TRANSMIT_BLOCK_SIZE: |
| debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); |
| if (params->dev) { |
| *outbuf = cpu_to_le32(params->mtu); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_RECEIVE_BLOCK_SIZE: |
| debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); |
| if (params->dev) { |
| *outbuf = cpu_to_le32(params->mtu); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_VENDOR_ID: |
| debug("%s: OID_GEN_VENDOR_ID\n", __func__); |
| *outbuf = cpu_to_le32(params->vendorID); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_VENDOR_DESCRIPTION: |
| debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__); |
| length = strlen(params->vendorDescr); |
| memcpy(outbuf, params->vendorDescr, length); |
| retval = 0; |
| break; |
| |
| case OID_GEN_VENDOR_DRIVER_VERSION: |
| debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); |
| /* Created as LE */ |
| *outbuf = rndis_driver_version; |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_CURRENT_PACKET_FILTER: |
| debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); |
| *outbuf = cpu_to_le32(*params->filter); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MAXIMUM_TOTAL_SIZE: |
| debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); |
| *outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); |
| retval = 0; |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_MEDIA_CONNECT_STATUS: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); |
| #endif |
| *outbuf = cpu_to_le32(params->media_state); |
| retval = 0; |
| break; |
| |
| case OID_GEN_PHYSICAL_MEDIUM: |
| debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); |
| *outbuf = __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", __func__); |
| *outbuf = __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: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_XMIT_OK\n", __func__); |
| #endif |
| if (params->stats) { |
| *outbuf = cpu_to_le32( |
| params->stats->tx_packets - |
| params->stats->tx_errors - |
| params->stats->tx_dropped); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_RCV_OK: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_RCV_OK\n", __func__); |
| #endif |
| if (params->stats) { |
| *outbuf = cpu_to_le32( |
| params->stats->rx_packets - |
| params->stats->rx_errors - |
| params->stats->rx_dropped); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_XMIT_ERROR: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_XMIT_ERROR\n", __func__); |
| #endif |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->tx_errors); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_RCV_ERROR: |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: OID_GEN_RCV_ERROR\n", __func__); |
| #endif |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_errors); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_GEN_RCV_NO_BUFFER: |
| debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_dropped); |
| retval = 0; |
| } |
| break; |
| |
| #ifdef RNDIS_OPTIONAL_STATS |
| case OID_GEN_DIRECTED_BYTES_XMIT: |
| debug("%s: OID_GEN_DIRECTED_BYTES_XMIT\n", __func__); |
| /* |
| * Aunt Tilly's size of shoes |
| * minus antarctica count of penguins |
| * divided by weight of Alpha Centauri |
| */ |
| if (params->stats) { |
| *outbuf = cpu_to_le32( |
| (params->stats->tx_packets - |
| params->stats->tx_errors - |
| params->stats->tx_dropped) |
| * 123); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_DIRECTED_FRAMES_XMIT: |
| debug("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __func__); |
| /* dito */ |
| if (params->stats) { |
| *outbuf = cpu_to_le32( |
| (params->stats->tx_packets - |
| params->stats->tx_errors - |
| params->stats->tx_dropped) |
| / 123); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_MULTICAST_BYTES_XMIT: |
| debug("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->multicast * 1234); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_MULTICAST_FRAMES_XMIT: |
| debug("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->multicast); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_BROADCAST_BYTES_XMIT: |
| debug("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->tx_packets/42*255); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_BROADCAST_FRAMES_XMIT: |
| debug("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->tx_packets / 42); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_DIRECTED_BYTES_RCV: |
| debug("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __func__); |
| *outbuf = __constant_cpu_to_le32(0); |
| retval = 0; |
| break; |
| |
| case OID_GEN_DIRECTED_FRAMES_RCV: |
| debug("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __func__); |
| *outbuf = __constant_cpu_to_le32(0); |
| retval = 0; |
| break; |
| |
| case OID_GEN_MULTICAST_BYTES_RCV: |
| debug("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->multicast * 1111); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_MULTICAST_FRAMES_RCV: |
| debug("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->multicast); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_BROADCAST_BYTES_RCV: |
| debug("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_packets/42*255); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_BROADCAST_FRAMES_RCV: |
| debug("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_packets / 42); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_RCV_CRC_ERROR: |
| debug("%s: OID_GEN_RCV_CRC_ERROR\n", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_crc_errors); |
| retval = 0; |
| } |
| break; |
| |
| case OID_GEN_TRANSMIT_QUEUE_LENGTH: |
| debug("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __func__); |
| *outbuf = __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", __func__); |
| if (params->dev) { |
| length = ETH_ALEN; |
| memcpy(outbuf, params->host_mac, length); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_802_3_CURRENT_ADDRESS: |
| debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); |
| if (params->dev) { |
| length = ETH_ALEN; |
| memcpy(outbuf, params->host_mac, length); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_802_3_MULTICAST_LIST: |
| debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
| /* Multicast base address only */ |
| *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", __func__); |
| /* Multicast base address only */ |
| *outbuf = __constant_cpu_to_le32(1); |
| retval = 0; |
| break; |
| |
| case OID_802_3_MAC_OPTIONS: |
| debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); |
| 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", __func__); |
| if (params->stats) { |
| *outbuf = cpu_to_le32(params->stats->rx_frame_errors); |
| retval = 0; |
| } |
| break; |
| |
| /* mandatory */ |
| case OID_802_3_XMIT_ONE_COLLISION: |
| debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); |
| *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", __func__); |
| *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", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_XMIT_MAX_COLLISIONS: |
| debug("%s: OID_802_3_XMIT_MAX_COLLISIONS\n", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_RCV_OVERRUN: |
| debug("%s: OID_802_3_RCV_OVERRUN\n", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_XMIT_UNDERRUN: |
| debug("%s: OID_802_3_XMIT_UNDERRUN\n", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_XMIT_HEARTBEAT_FAILURE: |
| debug("%s: OID_802_3_XMIT_HEARTBEAT_FAILURE\n", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_XMIT_TIMES_CRS_LOST: |
| debug("%s: OID_802_3_XMIT_TIMES_CRS_LOST\n", __func__); |
| /* TODO */ |
| break; |
| |
| case OID_802_3_XMIT_LATE_COLLISIONS: |
| debug("%s: OID_802_3_XMIT_LATE_COLLISIONS\n", __func__); |
| /* 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", __func__); |
| |
| /* for now, no wakeup capabilities */ |
| length = sizeof(struct NDIS_PNP_CAPABILITIES); |
| memset(outbuf, 0, length); |
| retval = 0; |
| break; |
| case OID_PNP_QUERY_POWER: |
| debug("%s: OID_PNP_QUERY_POWER D%d\n", __func__, |
| get_unaligned_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: |
| debug("%s: query unknown OID 0x%08X\n", __func__, OID); |
| } |
| if (retval < 0) |
| length = 0; |
| |
| resp->InformationBufferLength = cpu_to_le32(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) |
| { |
| rndis_set_cmplt_type *resp; |
| int retval = -ENOTSUPP; |
| struct rndis_params *params; |
| #if (defined(DEBUG) && defined(DEBUG_VERBOSE)) || defined(RNDIS_PM) |
| int i; |
| #endif |
| |
| if (!r) |
| return -ENOMEM; |
| resp = (rndis_set_cmplt_type *) r->buf; |
| if (!resp) |
| return -ENOMEM; |
| |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| if (buf_len) { |
| 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, |
| get_unaligned_le32(&buf[i]), |
| get_unaligned_le32(&buf[i + 4]), |
| get_unaligned_le32(&buf[i + 8]), |
| get_unaligned_le32(&buf[i + 12])); |
| } |
| } |
| #endif |
| |
| params = &rndis_per_dev_params[configNr]; |
| switch (OID) { |
| case OID_GEN_CURRENT_PACKET_FILTER: |
| |
| /* |
| * 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 = (u16) get_unaligned_le32(buf); |
| debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", |
| __func__, *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. |
| */ |
| #ifdef RNDIS_PM |
| update_linkstate: |
| #endif |
| retval = 0; |
| if (*params->filter) |
| params->state = RNDIS_DATA_INITIALIZED; |
| else |
| params->state = RNDIS_INITIALIZED; |
| break; |
| |
| case OID_802_3_MULTICAST_LIST: |
| /* I think we can ignore this */ |
| debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); |
| 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", |
| __func__, |
| min(cpu_to_le32(param->ParameterNameLength), 80), |
| buf + param->ParameterNameOffset); |
| retval = 0; |
| } |
| break; |
| #endif |
| |
| #ifdef RNDIS_PM |
| case OID_PNP_SET_POWER: |
| /* |
| * 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 = get_unaligned_le32(buf); |
| debug("%s: OID_PNP_SET_POWER D%d\n", __func__, 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; |
| |
| #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: |
| debug("%s: set unknown OID 0x%08X, size %d\n", |
| __func__, 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; |
| |
| resp->MessageType = __constant_cpu_to_le32( |
| REMOTE_NDIS_INITIALIZE_CMPLT); |
| resp->MessageLength = __constant_cpu_to_le32(52); |
| resp->RequestID = get_unaligned(&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].mtu |
| + ETHER_HDR_SIZE |
| + 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", __func__, get_unaligned_le32(&buf->OID)); |
| if (!rndis_per_dev_params[configNr].dev) |
| return -ENOTSUPP; |
| |
| /* |
| * 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) + sizeof(rndis_query_cmplt_type)); |
| if (!r) |
| return -ENOMEM; |
| resp = (rndis_query_cmplt_type *) r->buf; |
| |
| resp->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_QUERY_CMPLT); |
| resp->RequestID = get_unaligned(&buf->RequestID); /* Still LE in msg buffer */ |
| |
| if (gen_ndis_query_resp(configNr, get_unaligned_le32(&buf->OID), |
| get_unaligned_le32(&buf->InformationBufferOffset) |
| + 8 + (u8 *) buf, |
| get_unaligned_le32(&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); |
| 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; |
| |
| BufLength = get_unaligned_le32(&buf->InformationBufferLength); |
| BufOffset = get_unaligned_le32(&buf->InformationBufferOffset); |
| |
| #ifdef VERBOSE |
| debug("%s: Length: %d\n", __func__, BufLength); |
| debug("%s: Offset: %d\n", __func__, BufOffset); |
| debug("%s: InfoBuffer: ", __func__); |
| |
| 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 = get_unaligned(&buf->RequestID); /* Still LE in msg buffer */ |
| if (gen_ndis_set_resp(configNr, get_unaligned_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 (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; |
| |
| 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)); |
| if (!r) |
| return -ENOMEM; |
| resp = (rndis_keepalive_cmplt_type *) r->buf; |
| |
| resp->MessageType = __constant_cpu_to_le32( |
| REMOTE_NDIS_KEEPALIVE_CMPLT); |
| resp->MessageLength = __constant_cpu_to_le32(16); |
| resp->RequestID = get_unaligned(&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; |
| |
| 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; |
| |
| #ifdef RNDIS_COMPLETE_SIGNAL_DISCONNECT |
| return rndis_indicate_status_msg(configNr, |
| RNDIS_STATUS_MEDIA_DISCONNECT); |
| #else |
| return 0; |
| #endif |
| } |
| |
| 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; |
| } |
| |
| enum rndis_state rndis_get_state(int configNr) |
| { |
| if (configNr >= RNDIS_MAX_CONFIGS || configNr < 0) |
| return -ENOTSUPP; |
| return rndis_per_dev_params[configNr].state; |
| } |
| |
| /* |
| * Message Parser |
| */ |
| int rndis_msg_parser(u8 configNr, u8 *buf) |
| { |
| u32 MsgType, MsgLength; |
| __le32 *tmp; |
| struct rndis_params *params; |
| |
| debug("%s: configNr = %d, %p\n", __func__, configNr, buf); |
| |
| if (!buf) |
| return -ENOMEM; |
| |
| tmp = (__le32 *) buf; |
| MsgType = get_unaligned_le32(tmp++); |
| MsgLength = get_unaligned_le32(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) { |
| case REMOTE_NDIS_INITIALIZE_MSG: |
| debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", __func__); |
| 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", __func__); |
| params->state = RNDIS_UNINITIALIZED; |
| 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", __func__); |
| return rndis_reset_response(configNr, |
| (rndis_reset_msg_type *) buf); |
| |
| case REMOTE_NDIS_KEEPALIVE_MSG: |
| /* For USB: host does this every 5 seconds */ |
| #if defined(DEBUG) && defined(DEBUG_VERBOSE) |
| debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", __func__); |
| #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. |
| */ |
| debug("%s: unknown RNDIS message 0x%08X len %d\n", |
| __func__ , 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 udevice *)) |
| { |
| 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", __func__, i); |
| return i; |
| } |
| } |
| debug("%s failed\n", __func__); |
| |
| return -1; |
| } |
| |
| void rndis_deregister(int configNr) |
| { |
| debug("%s: configNr = %d\n", __func__, configNr); |
| |
| if (configNr >= RNDIS_MAX_CONFIGS) |
| return; |
| rndis_per_dev_params[configNr].used = 0; |
| |
| return; |
| } |
| |
| int rndis_set_param_dev(u8 configNr, struct udevice *dev, int mtu, |
| struct net_device_stats *stats, u16 *cdc_filter) |
| { |
| debug("%s: configNr = %d\n", __func__, configNr); |
| 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].mtu = mtu; |
| rndis_per_dev_params[configNr].filter = cdc_filter; |
| |
| return 0; |
| } |
| |
| int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr) |
| { |
| debug("%s: configNr = %d\n", __func__, configNr); |
| 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: configNr = %d, %u %u\n", __func__, configNr, 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(void *buf, int length) |
| { |
| struct rndis_packet_msg_type *header; |
| |
| header = buf; |
| memset(header, 0, sizeof *header); |
| header->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_PACKET_MSG); |
| header->MessageLength = cpu_to_le32(length + sizeof *header); |
| header->DataOffset = __constant_cpu_to_le32(36); |
| header->DataLength = cpu_to_le32(length); |
| } |
| |
| 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); |
| free(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; |
| |
| /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ |
| r = malloc(sizeof(rndis_resp_t) + length); |
| 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(void *buf, int length) |
| { |
| /* tmp points to a struct rndis_packet_msg_type */ |
| __le32 *tmp = buf; |
| int offs, len; |
| |
| /* MessageType, MessageLength */ |
| if (__constant_cpu_to_le32(REMOTE_NDIS_PACKET_MSG) |
| != get_unaligned(tmp++)) |
| return -EINVAL; |
| tmp++; |
| |
| /* DataOffset, DataLength */ |
| offs = get_unaligned_le32(tmp++) + 8 /* offset of DataOffset */; |
| if (offs != sizeof(struct rndis_packet_msg_type)) |
| debug("%s: unexpected DataOffset: %d\n", __func__, offs); |
| if (offs >= length) |
| return -EOVERFLOW; |
| |
| len = get_unaligned_le32(tmp++); |
| if (len + sizeof(struct rndis_packet_msg_type) != length) |
| debug("%s: unexpected DataLength: %d, packet length=%d\n", |
| __func__, len, length); |
| |
| memmove(buf, buf + offs, len); |
| |
| return offs; |
| } |
| |
| int rndis_init(void) |
| { |
| u8 i; |
| |
| for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { |
| 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) |
| { |
| /* Nothing to do */ |
| } |