David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * RNDIS MSG parser |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 3 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Authors: Benedikt Spranger, Pengutronix |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 5 | * Robert Schwebel, Pengutronix |
| 6 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 9 | * version 2, as published by the Free Software Foundation. |
| 10 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | * This software was originally developed in conformance with |
| 12 | * Microsoft's Remote NDIS Specification License Agreement. |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 13 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | * 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de> |
| 15 | * Fixed message length bug in init_response |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 16 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | * 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de> |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 18 | * Fixed rndis_rm_hdr length bug. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | * |
| 20 | * Copyright (C) 2004 by David Brownell |
| 21 | * updates to merge with Linux 2.6, better match RNDIS spec |
| 22 | */ |
| 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/module.h> |
| 25 | #include <linux/moduleparam.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/errno.h> |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 28 | #include <linux/idr.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <linux/list.h> |
| 30 | #include <linux/proc_fs.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 31 | #include <linux/slab.h> |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 32 | #include <linux/seq_file.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <linux/netdevice.h> |
| 34 | |
| 35 | #include <asm/io.h> |
| 36 | #include <asm/byteorder.h> |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 37 | #include <asm/unaligned.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Fabio Estevam | ae8dd0c | 2014-04-04 22:27:59 -0300 | [diff] [blame] | 39 | #include "u_rndis.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 41 | #undef VERBOSE_DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #include "rndis.h" |
| 44 | |
| 45 | |
| 46 | /* The driver for your USB chip needs to support ep0 OUT to work with |
| 47 | * RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional). |
| 48 | * |
| 49 | * Windows hosts need an INF file like Documentation/usb/linux.inf |
| 50 | * and will be happier if you provide the host_addr module parameter. |
| 51 | */ |
| 52 | |
| 53 | #if 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | static int rndis_debug = 0; |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 55 | module_param (rndis_debug, int, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | MODULE_PARM_DESC (rndis_debug, "enable debugging"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #define rndis_debug 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | #endif |
| 60 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 61 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 63 | #define NAME_TEMPLATE "driver/rndis-%03d" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 65 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |
| 66 | |
| 67 | static DEFINE_IDA(rndis_ida); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | |
| 69 | /* Driver Version */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 70 | static const __le32 rndis_driver_version = cpu_to_le32(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | /* Function Prototypes */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 73 | static rndis_resp_t *rndis_add_response(struct rndis_params *params, |
| 74 | u32 length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 76 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
| 77 | |
| 78 | static const struct file_operations rndis_proc_fops; |
| 79 | |
| 80 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 82 | /* supported OIDs */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 83 | static const u32 oid_supported_list[] = |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 84 | { |
| 85 | /* the general stuff */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 86 | RNDIS_OID_GEN_SUPPORTED_LIST, |
| 87 | RNDIS_OID_GEN_HARDWARE_STATUS, |
| 88 | RNDIS_OID_GEN_MEDIA_SUPPORTED, |
| 89 | RNDIS_OID_GEN_MEDIA_IN_USE, |
| 90 | RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE, |
| 91 | RNDIS_OID_GEN_LINK_SPEED, |
| 92 | RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE, |
| 93 | RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE, |
| 94 | RNDIS_OID_GEN_VENDOR_ID, |
| 95 | RNDIS_OID_GEN_VENDOR_DESCRIPTION, |
| 96 | RNDIS_OID_GEN_VENDOR_DRIVER_VERSION, |
| 97 | RNDIS_OID_GEN_CURRENT_PACKET_FILTER, |
| 98 | RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE, |
| 99 | RNDIS_OID_GEN_MEDIA_CONNECT_STATUS, |
| 100 | RNDIS_OID_GEN_PHYSICAL_MEDIUM, |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 101 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 102 | /* the statistical stuff */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 103 | RNDIS_OID_GEN_XMIT_OK, |
| 104 | RNDIS_OID_GEN_RCV_OK, |
| 105 | RNDIS_OID_GEN_XMIT_ERROR, |
| 106 | RNDIS_OID_GEN_RCV_ERROR, |
| 107 | RNDIS_OID_GEN_RCV_NO_BUFFER, |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 108 | #ifdef RNDIS_OPTIONAL_STATS |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 109 | RNDIS_OID_GEN_DIRECTED_BYTES_XMIT, |
| 110 | RNDIS_OID_GEN_DIRECTED_FRAMES_XMIT, |
| 111 | RNDIS_OID_GEN_MULTICAST_BYTES_XMIT, |
| 112 | RNDIS_OID_GEN_MULTICAST_FRAMES_XMIT, |
| 113 | RNDIS_OID_GEN_BROADCAST_BYTES_XMIT, |
| 114 | RNDIS_OID_GEN_BROADCAST_FRAMES_XMIT, |
| 115 | RNDIS_OID_GEN_DIRECTED_BYTES_RCV, |
| 116 | RNDIS_OID_GEN_DIRECTED_FRAMES_RCV, |
| 117 | RNDIS_OID_GEN_MULTICAST_BYTES_RCV, |
| 118 | RNDIS_OID_GEN_MULTICAST_FRAMES_RCV, |
| 119 | RNDIS_OID_GEN_BROADCAST_BYTES_RCV, |
| 120 | RNDIS_OID_GEN_BROADCAST_FRAMES_RCV, |
| 121 | RNDIS_OID_GEN_RCV_CRC_ERROR, |
| 122 | RNDIS_OID_GEN_TRANSMIT_QUEUE_LENGTH, |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 123 | #endif /* RNDIS_OPTIONAL_STATS */ |
| 124 | |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 125 | /* mandatory 802.3 */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 126 | /* the general stuff */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 127 | RNDIS_OID_802_3_PERMANENT_ADDRESS, |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 128 | RNDIS_OID_802_3_CURRENT_ADDRESS, |
| 129 | RNDIS_OID_802_3_MULTICAST_LIST, |
| 130 | RNDIS_OID_802_3_MAC_OPTIONS, |
| 131 | RNDIS_OID_802_3_MAXIMUM_LIST_SIZE, |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 132 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 133 | /* the statistical stuff */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 134 | RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT, |
| 135 | RNDIS_OID_802_3_XMIT_ONE_COLLISION, |
| 136 | RNDIS_OID_802_3_XMIT_MORE_COLLISIONS, |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 137 | #ifdef RNDIS_OPTIONAL_STATS |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 138 | RNDIS_OID_802_3_XMIT_DEFERRED, |
| 139 | RNDIS_OID_802_3_XMIT_MAX_COLLISIONS, |
| 140 | RNDIS_OID_802_3_RCV_OVERRUN, |
| 141 | RNDIS_OID_802_3_XMIT_UNDERRUN, |
| 142 | RNDIS_OID_802_3_XMIT_HEARTBEAT_FAILURE, |
| 143 | RNDIS_OID_802_3_XMIT_TIMES_CRS_LOST, |
| 144 | RNDIS_OID_802_3_XMIT_LATE_COLLISIONS, |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 145 | #endif /* RNDIS_OPTIONAL_STATS */ |
| 146 | |
| 147 | #ifdef RNDIS_PM |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 148 | /* PM and wakeup are "mandatory" for USB, but the RNDIS specs |
| 149 | * don't say what they mean ... and the NDIS specs are often |
| 150 | * confusing and/or ambiguous in this context. (That is, more |
| 151 | * so than their specs for the other OIDs.) |
| 152 | * |
| 153 | * FIXME someone who knows what these should do, please |
| 154 | * implement them! |
| 155 | */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 156 | |
| 157 | /* power management */ |
| 158 | OID_PNP_CAPABILITIES, |
| 159 | OID_PNP_QUERY_POWER, |
| 160 | OID_PNP_SET_POWER, |
| 161 | |
| 162 | #ifdef RNDIS_WAKEUP |
| 163 | /* wake up host */ |
| 164 | OID_PNP_ENABLE_WAKE_UP, |
| 165 | OID_PNP_ADD_WAKE_UP_PATTERN, |
| 166 | OID_PNP_REMOVE_WAKE_UP_PATTERN, |
| 167 | #endif /* RNDIS_WAKEUP */ |
| 168 | #endif /* RNDIS_PM */ |
| 169 | }; |
| 170 | |
| 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | /* NDIS Functions */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 173 | static int gen_ndis_query_resp(struct rndis_params *params, u32 OID, u8 *buf, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 174 | unsigned buf_len, rndis_resp_t *r) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 176 | int retval = -ENOTSUPP; |
| 177 | u32 length = 4; /* usually */ |
| 178 | __le32 *outbuf; |
| 179 | int i, count; |
| 180 | rndis_query_cmplt_type *resp; |
| 181 | struct net_device *net; |
Eric Dumazet | 2817273 | 2010-07-07 14:58:56 -0700 | [diff] [blame] | 182 | struct rtnl_link_stats64 temp; |
David S. Miller | fdb93f8a | 2010-06-15 21:50:14 -0700 | [diff] [blame] | 183 | const struct rtnl_link_stats64 *stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | |
| 185 | if (!r) return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 186 | resp = (rndis_query_cmplt_type *)r->buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | if (!resp) return -ENOMEM; |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 189 | |
| 190 | if (buf_len && rndis_debug > 1) { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 191 | pr_debug("query OID %08x value, len %d:\n", OID, buf_len); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 192 | for (i = 0; i < buf_len; i += 16) { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 193 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
Harvey Harrison | a5abdea | 2008-04-29 01:03:40 -0700 | [diff] [blame] | 194 | get_unaligned_le32(&buf[i]), |
| 195 | get_unaligned_le32(&buf[i + 4]), |
| 196 | get_unaligned_le32(&buf[i + 8]), |
| 197 | get_unaligned_le32(&buf[i + 12])); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | |
| 201 | /* response goes here, right after the header */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 202 | outbuf = (__le32 *)&resp[1]; |
| 203 | resp->InformationBufferOffset = cpu_to_le32(16); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 204 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 205 | net = params->dev; |
Eric Dumazet | 2817273 | 2010-07-07 14:58:56 -0700 | [diff] [blame] | 206 | stats = dev_get_stats(net, &temp); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | switch (OID) { |
| 209 | |
| 210 | /* general oids (table 4-1) */ |
| 211 | |
| 212 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 213 | case RNDIS_OID_GEN_SUPPORTED_LIST: |
| 214 | pr_debug("%s: RNDIS_OID_GEN_SUPPORTED_LIST\n", __func__); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 215 | length = sizeof(oid_supported_list); |
| 216 | count = length / sizeof(u32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | for (i = 0; i < count; i++) |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 218 | outbuf[i] = cpu_to_le32(oid_supported_list[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | retval = 0; |
| 220 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 221 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 223 | case RNDIS_OID_GEN_HARDWARE_STATUS: |
| 224 | pr_debug("%s: RNDIS_OID_GEN_HARDWARE_STATUS\n", __func__); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 225 | /* Bogus question! |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | * Hardware must be ready to receive high level protocols. |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 227 | * BTW: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | * reddite ergo quae sunt Caesaris Caesari |
| 229 | * et quae sunt Dei Deo! |
| 230 | */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 231 | *outbuf = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | retval = 0; |
| 233 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 234 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 236 | case RNDIS_OID_GEN_MEDIA_SUPPORTED: |
| 237 | pr_debug("%s: RNDIS_OID_GEN_MEDIA_SUPPORTED\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 238 | *outbuf = cpu_to_le32(params->medium); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | retval = 0; |
| 240 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 241 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 243 | case RNDIS_OID_GEN_MEDIA_IN_USE: |
| 244 | pr_debug("%s: RNDIS_OID_GEN_MEDIA_IN_USE\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | /* one medium, one transport... (maybe you do it better) */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 246 | *outbuf = cpu_to_le32(params->medium); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | retval = 0; |
| 248 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 249 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 251 | case RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE: |
| 252 | pr_debug("%s: RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 253 | if (params->dev) { |
| 254 | *outbuf = cpu_to_le32(params->dev->mtu); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | } |
| 257 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 258 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 260 | case RNDIS_OID_GEN_LINK_SPEED: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 261 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 262 | pr_debug("%s: RNDIS_OID_GEN_LINK_SPEED\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 263 | if (params->media_state == RNDIS_MEDIA_STATE_DISCONNECTED) |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 264 | *outbuf = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | else |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 266 | *outbuf = cpu_to_le32(params->speed); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | retval = 0; |
| 268 | break; |
| 269 | |
| 270 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 271 | case RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE: |
| 272 | pr_debug("%s: RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 273 | if (params->dev) { |
| 274 | *outbuf = cpu_to_le32(params->dev->mtu); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | retval = 0; |
| 276 | } |
| 277 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 278 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 280 | case RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE: |
| 281 | pr_debug("%s: RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 282 | if (params->dev) { |
| 283 | *outbuf = cpu_to_le32(params->dev->mtu); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | retval = 0; |
| 285 | } |
| 286 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 287 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 289 | case RNDIS_OID_GEN_VENDOR_ID: |
| 290 | pr_debug("%s: RNDIS_OID_GEN_VENDOR_ID\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 291 | *outbuf = cpu_to_le32(params->vendorID); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | retval = 0; |
| 293 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 296 | case RNDIS_OID_GEN_VENDOR_DESCRIPTION: |
| 297 | pr_debug("%s: RNDIS_OID_GEN_VENDOR_DESCRIPTION\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 298 | if (params->vendorDescr) { |
| 299 | length = strlen(params->vendorDescr); |
| 300 | memcpy(outbuf, params->vendorDescr, length); |
Maxim Osipov | 037d365 | 2010-08-21 14:54:06 +0400 | [diff] [blame] | 301 | } else { |
| 302 | outbuf[0] = 0; |
| 303 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | retval = 0; |
| 305 | break; |
| 306 | |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 307 | case RNDIS_OID_GEN_VENDOR_DRIVER_VERSION: |
| 308 | pr_debug("%s: RNDIS_OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | /* Created as LE */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 310 | *outbuf = rndis_driver_version; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | retval = 0; |
| 312 | break; |
| 313 | |
| 314 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 315 | case RNDIS_OID_GEN_CURRENT_PACKET_FILTER: |
| 316 | pr_debug("%s: RNDIS_OID_GEN_CURRENT_PACKET_FILTER\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 317 | *outbuf = cpu_to_le32(*params->filter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | retval = 0; |
| 319 | break; |
| 320 | |
| 321 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 322 | case RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE: |
| 323 | pr_debug("%s: RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); |
Harvey Harrison | 35c26c2 | 2009-02-14 22:56:56 -0800 | [diff] [blame] | 324 | *outbuf = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | retval = 0; |
| 326 | break; |
| 327 | |
| 328 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 329 | case RNDIS_OID_GEN_MEDIA_CONNECT_STATUS: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 330 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 331 | pr_debug("%s: RNDIS_OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 332 | *outbuf = cpu_to_le32(params->media_state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | retval = 0; |
| 334 | break; |
| 335 | |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 336 | case RNDIS_OID_GEN_PHYSICAL_MEDIUM: |
| 337 | pr_debug("%s: RNDIS_OID_GEN_PHYSICAL_MEDIUM\n", __func__); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 338 | *outbuf = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | retval = 0; |
| 340 | break; |
| 341 | |
| 342 | /* The RNDIS specification is incomplete/wrong. Some versions |
| 343 | * of MS-Windows expect OIDs that aren't specified there. Other |
| 344 | * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! |
| 345 | */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 346 | case RNDIS_OID_GEN_MAC_OPTIONS: /* from WinME */ |
| 347 | pr_debug("%s: RNDIS_OID_GEN_MAC_OPTIONS\n", __func__); |
Harvey Harrison | 35c26c2 | 2009-02-14 22:56:56 -0800 | [diff] [blame] | 348 | *outbuf = cpu_to_le32( |
Linus Walleij | e20289e | 2012-05-11 22:17:19 +0000 | [diff] [blame] | 349 | RNDIS_MAC_OPTION_RECEIVE_SERIALIZED |
| 350 | | RNDIS_MAC_OPTION_FULL_DUPLEX); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | retval = 0; |
| 352 | break; |
| 353 | |
| 354 | /* statistics OIDs (table 4-2) */ |
| 355 | |
| 356 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 357 | case RNDIS_OID_GEN_XMIT_OK: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 358 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 359 | pr_debug("%s: RNDIS_OID_GEN_XMIT_OK\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 360 | if (stats) { |
| 361 | *outbuf = cpu_to_le32(stats->tx_packets |
| 362 | - stats->tx_errors - stats->tx_dropped); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | } |
| 365 | break; |
| 366 | |
| 367 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 368 | case RNDIS_OID_GEN_RCV_OK: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 369 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 370 | pr_debug("%s: RNDIS_OID_GEN_RCV_OK\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 371 | if (stats) { |
| 372 | *outbuf = cpu_to_le32(stats->rx_packets |
| 373 | - stats->rx_errors - stats->rx_dropped); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | } |
| 376 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 377 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 379 | case RNDIS_OID_GEN_XMIT_ERROR: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 380 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 381 | pr_debug("%s: RNDIS_OID_GEN_XMIT_ERROR\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 382 | if (stats) { |
| 383 | *outbuf = cpu_to_le32(stats->tx_errors); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | } |
| 386 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 387 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 389 | case RNDIS_OID_GEN_RCV_ERROR: |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 390 | if (rndis_debug > 1) |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 391 | pr_debug("%s: RNDIS_OID_GEN_RCV_ERROR\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 392 | if (stats) { |
| 393 | *outbuf = cpu_to_le32(stats->rx_errors); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | } |
| 396 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 397 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 399 | case RNDIS_OID_GEN_RCV_NO_BUFFER: |
| 400 | pr_debug("%s: RNDIS_OID_GEN_RCV_NO_BUFFER\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 401 | if (stats) { |
| 402 | *outbuf = cpu_to_le32(stats->rx_dropped); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | } |
| 405 | break; |
| 406 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | /* ieee802.3 OIDs (table 4-3) */ |
| 408 | |
| 409 | /* mandatory */ |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 410 | case RNDIS_OID_802_3_PERMANENT_ADDRESS: |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 411 | pr_debug("%s: RNDIS_OID_802_3_PERMANENT_ADDRESS\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 412 | if (params->dev) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | length = ETH_ALEN; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 414 | memcpy(outbuf, params->host_mac, length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | } |
| 417 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 420 | case RNDIS_OID_802_3_CURRENT_ADDRESS: |
| 421 | pr_debug("%s: RNDIS_OID_802_3_CURRENT_ADDRESS\n", __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 422 | if (params->dev) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | length = ETH_ALEN; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 424 | memcpy(outbuf, params->host_mac, length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | retval = 0; |
| 426 | } |
| 427 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 428 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 430 | case RNDIS_OID_802_3_MULTICAST_LIST: |
| 431 | pr_debug("%s: RNDIS_OID_802_3_MULTICAST_LIST\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | /* Multicast base address only */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 433 | *outbuf = cpu_to_le32(0xE0000000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | retval = 0; |
| 435 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 436 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 438 | case RNDIS_OID_802_3_MAXIMUM_LIST_SIZE: |
| 439 | pr_debug("%s: RNDIS_OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | /* Multicast base address only */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 441 | *outbuf = cpu_to_le32(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | retval = 0; |
| 443 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 444 | |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 445 | case RNDIS_OID_802_3_MAC_OPTIONS: |
| 446 | pr_debug("%s: RNDIS_OID_802_3_MAC_OPTIONS\n", __func__); |
Qiuping Chen | 6bc2146 | 2009-07-01 03:49:29 -0700 | [diff] [blame] | 447 | *outbuf = cpu_to_le32(0); |
| 448 | retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | break; |
| 450 | |
| 451 | /* ieee802.3 statistics OIDs (table 4-4) */ |
| 452 | |
| 453 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 454 | case RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT: |
| 455 | pr_debug("%s: RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 456 | if (stats) { |
| 457 | *outbuf = cpu_to_le32(stats->rx_frame_errors); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | retval = 0; |
| 459 | } |
| 460 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 461 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 463 | case RNDIS_OID_802_3_XMIT_ONE_COLLISION: |
| 464 | pr_debug("%s: RNDIS_OID_802_3_XMIT_ONE_COLLISION\n", __func__); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 465 | *outbuf = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | retval = 0; |
| 467 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 468 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | /* mandatory */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 470 | case RNDIS_OID_802_3_XMIT_MORE_COLLISIONS: |
| 471 | pr_debug("%s: RNDIS_OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 472 | *outbuf = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | retval = 0; |
| 474 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 475 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | default: |
David Brownell | 0027492 | 2007-11-19 12:58:36 -0800 | [diff] [blame] | 477 | pr_warning("%s: query unknown OID 0x%08X\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 478 | __func__, OID); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | } |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 480 | if (retval < 0) |
| 481 | length = 0; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 482 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 483 | resp->InformationBufferLength = cpu_to_le32(length); |
| 484 | r->length = length + sizeof(*resp); |
| 485 | resp->MessageLength = cpu_to_le32(r->length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | return retval; |
| 487 | } |
| 488 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 489 | static int gen_ndis_set_resp(struct rndis_params *params, u32 OID, |
| 490 | u8 *buf, u32 buf_len, rndis_resp_t *r) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 492 | rndis_set_cmplt_type *resp; |
| 493 | int i, retval = -ENOTSUPP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | |
| 495 | if (!r) |
| 496 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 497 | resp = (rndis_set_cmplt_type *)r->buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | if (!resp) |
| 499 | return -ENOMEM; |
| 500 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 501 | if (buf_len && rndis_debug > 1) { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 502 | pr_debug("set OID %08x value, len %d:\n", OID, buf_len); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 503 | for (i = 0; i < buf_len; i += 16) { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 504 | pr_debug("%03d: %08x %08x %08x %08x\n", i, |
Harvey Harrison | a5abdea | 2008-04-29 01:03:40 -0700 | [diff] [blame] | 505 | get_unaligned_le32(&buf[i]), |
| 506 | get_unaligned_le32(&buf[i + 4]), |
| 507 | get_unaligned_le32(&buf[i + 8]), |
| 508 | get_unaligned_le32(&buf[i + 12])); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 509 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | switch (OID) { |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 513 | case RNDIS_OID_GEN_CURRENT_PACKET_FILTER: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 515 | /* these NDIS_PACKET_TYPE_* bitflags are shared with |
| 516 | * cdc_filter; it's not RNDIS-specific |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | * NDIS_PACKET_TYPE_x == USB_CDC_PACKET_TYPE_x for x in: |
| 518 | * PROMISCUOUS, DIRECTED, |
| 519 | * MULTICAST, ALL_MULTICAST, BROADCAST |
| 520 | */ |
Harvey Harrison | a5abdea | 2008-04-29 01:03:40 -0700 | [diff] [blame] | 521 | *params->filter = (u16)get_unaligned_le32(buf); |
Linus Walleij | 8cdddc3 | 2012-05-11 22:16:08 +0000 | [diff] [blame] | 522 | pr_debug("%s: RNDIS_OID_GEN_CURRENT_PACKET_FILTER %08x\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 523 | __func__, *params->filter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | |
| 525 | /* this call has a significant side effect: it's |
| 526 | * what makes the packet flow start and stop, like |
| 527 | * activating the CDC Ethernet altsetting. |
| 528 | */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 529 | retval = 0; |
| 530 | if (*params->filter) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | params->state = RNDIS_DATA_INITIALIZED; |
| 532 | netif_carrier_on(params->dev); |
| 533 | if (netif_running(params->dev)) |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 534 | netif_wake_queue(params->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | } else { |
| 536 | params->state = RNDIS_INITIALIZED; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 537 | netif_carrier_off(params->dev); |
| 538 | netif_stop_queue(params->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | } |
| 540 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 541 | |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 542 | case RNDIS_OID_802_3_MULTICAST_LIST: |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 543 | /* I think we can ignore this */ |
Linus Walleij | 4cc6c4d | 2012-05-11 22:16:16 +0000 | [diff] [blame] | 544 | pr_debug("%s: RNDIS_OID_802_3_MULTICAST_LIST\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | retval = 0; |
| 546 | break; |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 547 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | default: |
David Brownell | 0027492 | 2007-11-19 12:58:36 -0800 | [diff] [blame] | 549 | pr_warning("%s: set unknown OID 0x%08X, size %d\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 550 | __func__, OID, buf_len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 552 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | return retval; |
| 554 | } |
| 555 | |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 556 | /* |
| 557 | * Response Functions |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | */ |
| 559 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 560 | static int rndis_init_response(struct rndis_params *params, |
| 561 | rndis_init_msg_type *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 563 | rndis_init_cmplt_type *resp; |
| 564 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 565 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 566 | if (!params->dev) |
| 567 | return -ENOTSUPP; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 568 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 569 | r = rndis_add_response(params, sizeof(rndis_init_cmplt_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 570 | if (!r) |
| 571 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 572 | resp = (rndis_init_cmplt_type *)r->buf; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 573 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 574 | resp->MessageType = cpu_to_le32(RNDIS_MSG_INIT_C); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 575 | resp->MessageLength = cpu_to_le32(52); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 577 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
| 578 | resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION); |
| 579 | resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION); |
| 580 | resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS); |
| 581 | resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3); |
| 582 | resp->MaxPacketsPerTransfer = cpu_to_le32(1); |
| 583 | resp->MaxTransferSize = cpu_to_le32( |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 584 | params->dev->mtu |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 585 | + sizeof(struct ethhdr) |
| 586 | + sizeof(struct rndis_packet_msg_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | + 22); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 588 | resp->PacketAlignmentFactor = cpu_to_le32(0); |
| 589 | resp->AFListOffset = cpu_to_le32(0); |
| 590 | resp->AFListSize = cpu_to_le32(0); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 591 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 592 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | return 0; |
| 594 | } |
| 595 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 596 | static int rndis_query_response(struct rndis_params *params, |
| 597 | rndis_query_msg_type *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | { |
| 599 | rndis_query_cmplt_type *resp; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 600 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 601 | |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 602 | /* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */ |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 603 | if (!params->dev) |
| 604 | return -ENOTSUPP; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 605 | |
Shaun Tancheff | 8763716 | 2006-02-22 19:47:19 -0800 | [diff] [blame] | 606 | /* |
| 607 | * we need more memory: |
| 608 | * gen_ndis_query_resp expects enough space for |
| 609 | * rndis_query_cmplt_type followed by data. |
| 610 | * oid_supported_list is the largest data reply |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 612 | r = rndis_add_response(params, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 613 | sizeof(oid_supported_list) + sizeof(rndis_query_cmplt_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 614 | if (!r) |
| 615 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 616 | resp = (rndis_query_cmplt_type *)r->buf; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 617 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 618 | resp->MessageType = cpu_to_le32(RNDIS_MSG_QUERY_C); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 620 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 621 | if (gen_ndis_query_resp(params, le32_to_cpu(buf->OID), |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 622 | le32_to_cpu(buf->InformationBufferOffset) |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 623 | + 8 + (u8 *)buf, |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 624 | le32_to_cpu(buf->InformationBufferLength), |
| 625 | r)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | /* OID not supported */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 627 | resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); |
| 628 | resp->MessageLength = cpu_to_le32(sizeof *resp); |
| 629 | resp->InformationBufferLength = cpu_to_le32(0); |
| 630 | resp->InformationBufferOffset = cpu_to_le32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | } else |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 632 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 633 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 634 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | return 0; |
| 636 | } |
| 637 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 638 | static int rndis_set_response(struct rndis_params *params, |
| 639 | rndis_set_msg_type *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 641 | u32 BufLength, BufOffset; |
| 642 | rndis_set_cmplt_type *resp; |
| 643 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 644 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 645 | r = rndis_add_response(params, sizeof(rndis_set_cmplt_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 646 | if (!r) |
| 647 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 648 | resp = (rndis_set_cmplt_type *)r->buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 650 | BufLength = le32_to_cpu(buf->InformationBufferLength); |
| 651 | BufOffset = le32_to_cpu(buf->InformationBufferOffset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 653 | #ifdef VERBOSE_DEBUG |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 654 | pr_debug("%s: Length: %d\n", __func__, BufLength); |
| 655 | pr_debug("%s: Offset: %d\n", __func__, BufOffset); |
| 656 | pr_debug("%s: InfoBuffer: ", __func__); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 657 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | for (i = 0; i < BufLength; i++) { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 659 | pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 661 | |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 662 | pr_debug("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | #endif |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 664 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 665 | resp->MessageType = cpu_to_le32(RNDIS_MSG_SET_C); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 666 | resp->MessageLength = cpu_to_le32(16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 668 | if (gen_ndis_set_resp(params, le32_to_cpu(buf->OID), |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 669 | ((u8 *)buf) + 8 + BufOffset, BufLength, r)) |
| 670 | resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 671 | else |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 672 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 673 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 674 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | return 0; |
| 676 | } |
| 677 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 678 | static int rndis_reset_response(struct rndis_params *params, |
| 679 | rndis_reset_msg_type *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 681 | rndis_reset_cmplt_type *resp; |
| 682 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 683 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 684 | r = rndis_add_response(params, sizeof(rndis_reset_cmplt_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 685 | if (!r) |
| 686 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 687 | resp = (rndis_reset_cmplt_type *)r->buf; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 688 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 689 | resp->MessageType = cpu_to_le32(RNDIS_MSG_RESET_C); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 690 | resp->MessageLength = cpu_to_le32(16); |
| 691 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | /* resent information */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 693 | resp->AddressingReset = cpu_to_le32(1); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 694 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 695 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | return 0; |
| 697 | } |
| 698 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 699 | static int rndis_keepalive_response(struct rndis_params *params, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 700 | rndis_keepalive_msg_type *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 702 | rndis_keepalive_cmplt_type *resp; |
| 703 | rndis_resp_t *r; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | |
| 705 | /* host "should" check only in RNDIS_DATA_INITIALIZED state */ |
| 706 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 707 | r = rndis_add_response(params, sizeof(rndis_keepalive_cmplt_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 708 | if (!r) |
| 709 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 710 | resp = (rndis_keepalive_cmplt_type *)r->buf; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 711 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 712 | resp->MessageType = cpu_to_le32(RNDIS_MSG_KEEPALIVE_C); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 713 | resp->MessageLength = cpu_to_le32(16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 715 | resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 716 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 717 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | return 0; |
| 719 | } |
| 720 | |
| 721 | |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 722 | /* |
| 723 | * Device to Host Comunication |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 725 | static int rndis_indicate_status_msg(struct rndis_params *params, u32 status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 727 | rndis_indicate_status_msg_type *resp; |
| 728 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 729 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 730 | if (params->state == RNDIS_UNINITIALIZED) |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 731 | return -ENOTSUPP; |
| 732 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 733 | r = rndis_add_response(params, sizeof(rndis_indicate_status_msg_type)); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 734 | if (!r) |
| 735 | return -ENOMEM; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 736 | resp = (rndis_indicate_status_msg_type *)r->buf; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 737 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 738 | resp->MessageType = cpu_to_le32(RNDIS_MSG_INDICATE); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 739 | resp->MessageLength = cpu_to_le32(20); |
| 740 | resp->Status = cpu_to_le32(status); |
| 741 | resp->StatusBufferLength = cpu_to_le32(0); |
| 742 | resp->StatusBufferOffset = cpu_to_le32(0); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 743 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 744 | params->resp_avail(params->v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | return 0; |
| 746 | } |
| 747 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 748 | int rndis_signal_connect(struct rndis_params *params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | { |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 750 | params->media_state = RNDIS_MEDIA_STATE_CONNECTED; |
| 751 | return rndis_indicate_status_msg(params, RNDIS_STATUS_MEDIA_CONNECT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 753 | EXPORT_SYMBOL_GPL(rndis_signal_connect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 755 | int rndis_signal_disconnect(struct rndis_params *params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | { |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 757 | params->media_state = RNDIS_MEDIA_STATE_DISCONNECTED; |
| 758 | return rndis_indicate_status_msg(params, RNDIS_STATUS_MEDIA_DISCONNECT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 760 | EXPORT_SYMBOL_GPL(rndis_signal_disconnect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 762 | void rndis_uninit(struct rndis_params *params) |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 763 | { |
David Brownell | 486e2df | 2005-05-24 17:51:52 -0700 | [diff] [blame] | 764 | u8 *buf; |
| 765 | u32 length; |
| 766 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 767 | if (!params) |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 768 | return; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 769 | params->state = RNDIS_UNINITIALIZED; |
David Brownell | 486e2df | 2005-05-24 17:51:52 -0700 | [diff] [blame] | 770 | |
| 771 | /* drain the response queue */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 772 | while ((buf = rndis_get_next_response(params, &length))) |
| 773 | rndis_free_response(params, buf); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 774 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 775 | EXPORT_SYMBOL_GPL(rndis_uninit); |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 776 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 777 | void rndis_set_host_mac(struct rndis_params *params, const u8 *addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | { |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 779 | params->host_mac = addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 781 | EXPORT_SYMBOL_GPL(rndis_set_host_mac); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 783 | /* |
| 784 | * Message Parser |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | */ |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 786 | int rndis_msg_parser(struct rndis_params *params, u8 *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 787 | { |
| 788 | u32 MsgType, MsgLength; |
| 789 | __le32 *tmp; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 790 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | if (!buf) |
| 792 | return -ENOMEM; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 793 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 794 | tmp = (__le32 *)buf; |
Harvey Harrison | a5abdea | 2008-04-29 01:03:40 -0700 | [diff] [blame] | 795 | MsgType = get_unaligned_le32(tmp++); |
| 796 | MsgLength = get_unaligned_le32(tmp++); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 797 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 798 | if (!params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | return -ENOTSUPP; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 800 | |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 801 | /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for |
| 802 | * rx/tx statistics and link status, in addition to KEEPALIVE traffic |
| 803 | * and normal HC level polling to see if there's any IN traffic. |
| 804 | */ |
| 805 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | /* For USB: responses may take up to 10 seconds */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 807 | switch (MsgType) { |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 808 | case RNDIS_MSG_INIT: |
| 809 | pr_debug("%s: RNDIS_MSG_INIT\n", |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 810 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | params->state = RNDIS_INITIALIZED; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 812 | return rndis_init_response(params, (rndis_init_msg_type *)buf); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 813 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 814 | case RNDIS_MSG_HALT: |
| 815 | pr_debug("%s: RNDIS_MSG_HALT\n", |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 816 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | params->state = RNDIS_UNINITIALIZED; |
| 818 | if (params->dev) { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 819 | netif_carrier_off(params->dev); |
| 820 | netif_stop_queue(params->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | } |
| 822 | return 0; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 823 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 824 | case RNDIS_MSG_QUERY: |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 825 | return rndis_query_response(params, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 826 | (rndis_query_msg_type *)buf); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 827 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 828 | case RNDIS_MSG_SET: |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 829 | return rndis_set_response(params, (rndis_set_msg_type *)buf); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 830 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 831 | case RNDIS_MSG_RESET: |
| 832 | pr_debug("%s: RNDIS_MSG_RESET\n", |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 833 | __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 834 | return rndis_reset_response(params, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 835 | (rndis_reset_msg_type *)buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 837 | case RNDIS_MSG_KEEPALIVE: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | /* For USB: host does this every 5 seconds */ |
David Brownell | 340600a | 2005-04-28 13:45:25 -0700 | [diff] [blame] | 839 | if (rndis_debug > 1) |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 840 | pr_debug("%s: RNDIS_MSG_KEEPALIVE\n", |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 841 | __func__); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 842 | return rndis_keepalive_response(params, |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 843 | (rndis_keepalive_msg_type *) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | buf); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 845 | |
| 846 | default: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | /* At least Windows XP emits some undefined RNDIS messages. |
| 848 | * In one case those messages seemed to relate to the host |
| 849 | * suspending itself. |
| 850 | */ |
David Brownell | 0027492 | 2007-11-19 12:58:36 -0800 | [diff] [blame] | 851 | pr_warning("%s: unknown RNDIS message 0x%08X len %d\n", |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 852 | __func__, MsgType, MsgLength); |
Andy Shevchenko | d3091cf | 2012-08-07 19:07:58 +0300 | [diff] [blame] | 853 | print_hex_dump_bytes(__func__, DUMP_PREFIX_OFFSET, |
| 854 | buf, MsgLength); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | break; |
| 856 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 857 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | return -ENOTSUPP; |
| 859 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 860 | EXPORT_SYMBOL_GPL(rndis_msg_parser); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 862 | static inline int rndis_get_nr(void) |
| 863 | { |
| 864 | return ida_simple_get(&rndis_ida, 0, 0, GFP_KERNEL); |
| 865 | } |
| 866 | |
| 867 | static inline void rndis_put_nr(int nr) |
| 868 | { |
| 869 | ida_simple_remove(&rndis_ida, nr); |
| 870 | } |
| 871 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 872 | struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | { |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 874 | struct rndis_params *params; |
Andrzej Pietrasiewicz | 81dff86 | 2015-05-18 17:40:04 +0200 | [diff] [blame] | 875 | int i; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 876 | |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 877 | if (!resp_avail) |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 878 | return ERR_PTR(-EINVAL); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 879 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 880 | i = rndis_get_nr(); |
| 881 | if (i < 0) { |
| 882 | pr_debug("failed\n"); |
| 883 | |
| 884 | return ERR_PTR(-ENODEV); |
| 885 | } |
| 886 | |
| 887 | params = kzalloc(sizeof(*params), GFP_KERNEL); |
| 888 | if (!params) { |
| 889 | rndis_put_nr(i); |
| 890 | |
| 891 | return ERR_PTR(-ENOMEM); |
| 892 | } |
| 893 | |
| 894 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
| 895 | { |
| 896 | struct proc_dir_entry *proc_entry; |
| 897 | char name[20]; |
| 898 | |
| 899 | sprintf(name, NAME_TEMPLATE, i); |
| 900 | proc_entry = proc_create_data(name, 0660, NULL, |
| 901 | &rndis_proc_fops, params); |
| 902 | if (!proc_entry) { |
| 903 | kfree(params); |
| 904 | rndis_put_nr(i); |
| 905 | |
| 906 | return ERR_PTR(-EIO); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | } |
| 908 | } |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 909 | #endif |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 910 | |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 911 | params->confignr = i; |
| 912 | params->used = 1; |
| 913 | params->state = RNDIS_UNINITIALIZED; |
| 914 | params->media_state = RNDIS_MEDIA_STATE_DISCONNECTED; |
| 915 | params->resp_avail = resp_avail; |
| 916 | params->v = v; |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 917 | INIT_LIST_HEAD(¶ms->resp_queue); |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 918 | pr_debug("%s: configNr = %d\n", __func__, i); |
| 919 | |
| 920 | return params; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 922 | EXPORT_SYMBOL_GPL(rndis_register); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 923 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 924 | void rndis_deregister(struct rndis_params *params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | { |
Andrzej Pietrasiewicz | 81dff86 | 2015-05-18 17:40:04 +0200 | [diff] [blame] | 926 | int i; |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 927 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 928 | pr_debug("%s:\n", __func__); |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 929 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 930 | if (!params) |
| 931 | return; |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 932 | |
| 933 | i = params->confignr; |
| 934 | |
| 935 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
| 936 | { |
Andrzej Pietrasiewicz | d6d2292 | 2015-02-06 13:43:30 +0100 | [diff] [blame] | 937 | char name[20]; |
| 938 | |
| 939 | sprintf(name, NAME_TEMPLATE, i); |
| 940 | remove_proc_entry(name, NULL); |
| 941 | } |
| 942 | #endif |
| 943 | |
| 944 | kfree(params); |
| 945 | rndis_put_nr(i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 947 | EXPORT_SYMBOL_GPL(rndis_deregister); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 948 | int rndis_set_param_dev(struct rndis_params *params, struct net_device *dev, |
| 949 | u16 *cdc_filter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 950 | { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 951 | pr_debug("%s:\n", __func__); |
David Brownell | 15b2d2b | 2008-06-19 18:19:16 -0700 | [diff] [blame] | 952 | if (!dev) |
| 953 | return -EINVAL; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 954 | if (!params) |
| 955 | return -1; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 956 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 957 | params->dev = dev; |
| 958 | params->filter = cdc_filter; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 959 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | return 0; |
| 961 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 962 | EXPORT_SYMBOL_GPL(rndis_set_param_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 964 | int rndis_set_param_vendor(struct rndis_params *params, u32 vendorID, |
| 965 | const char *vendorDescr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 967 | pr_debug("%s:\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | if (!vendorDescr) return -1; |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 969 | if (!params) |
| 970 | return -1; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 971 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 972 | params->vendorID = vendorID; |
| 973 | params->vendorDescr = vendorDescr; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 974 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | return 0; |
| 976 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 977 | EXPORT_SYMBOL_GPL(rndis_set_param_vendor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 979 | int rndis_set_param_medium(struct rndis_params *params, u32 medium, u32 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | { |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 981 | pr_debug("%s: %u %u\n", __func__, medium, speed); |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 982 | if (!params) |
| 983 | return -1; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 984 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 985 | params->medium = medium; |
| 986 | params->speed = speed; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 987 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | return 0; |
| 989 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 990 | EXPORT_SYMBOL_GPL(rndis_set_param_medium); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 992 | void rndis_add_hdr(struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 994 | struct rndis_packet_msg_type *header; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | |
| 996 | if (!skb) |
| 997 | return; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 998 | header = (void *)skb_push(skb, sizeof(*header)); |
| 999 | memset(header, 0, sizeof *header); |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 1000 | header->MessageType = cpu_to_le32(RNDIS_MSG_PACKET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | header->MessageLength = cpu_to_le32(skb->len); |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1002 | header->DataOffset = cpu_to_le32(36); |
| 1003 | header->DataLength = cpu_to_le32(skb->len - sizeof(*header)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 1005 | EXPORT_SYMBOL_GPL(rndis_add_hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 1007 | void rndis_free_response(struct rndis_params *params, u8 *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | { |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 1009 | rndis_resp_t *r, *n; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1010 | |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 1011 | list_for_each_entry_safe(r, n, ¶ms->resp_queue, list) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | if (r && r->buf == buf) { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1013 | list_del(&r->list); |
| 1014 | kfree(r); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | } |
| 1016 | } |
| 1017 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 1018 | EXPORT_SYMBOL_GPL(rndis_free_response); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 1020 | u8 *rndis_get_next_response(struct rndis_params *params, u32 *length) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | { |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 1022 | rndis_resp_t *r, *n; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1023 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | if (!length) return NULL; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1025 | |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 1026 | list_for_each_entry_safe(r, n, ¶ms->resp_queue, list) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1027 | if (!r->send) { |
| 1028 | r->send = 1; |
| 1029 | *length = r->length; |
| 1030 | return r->buf; |
| 1031 | } |
| 1032 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1033 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | return NULL; |
| 1035 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 1036 | EXPORT_SYMBOL_GPL(rndis_get_next_response); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | |
Andrzej Pietrasiewicz | 83210e5 | 2015-03-20 08:18:47 +0100 | [diff] [blame] | 1038 | static rndis_resp_t *rndis_add_response(struct rndis_params *params, u32 length) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | { |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1040 | rndis_resp_t *r; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1041 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1042 | /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ |
| 1043 | r = kmalloc(sizeof(rndis_resp_t) + length, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | if (!r) return NULL; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1045 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1046 | r->buf = (u8 *)(r + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | r->length = length; |
| 1048 | r->send = 0; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1049 | |
Geliang Tang | f6281af | 2015-12-19 00:34:33 +0800 | [diff] [blame^] | 1050 | list_add_tail(&r->list, ¶ms->resp_queue); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | return r; |
| 1052 | } |
| 1053 | |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1054 | int rndis_rm_hdr(struct gether *port, |
| 1055 | struct sk_buff *skb, |
| 1056 | struct sk_buff_head *list) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | { |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1058 | /* tmp points to a struct rndis_packet_msg_type */ |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1059 | __le32 *tmp = (void *)skb->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1060 | |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1061 | /* MessageType, MessageLength */ |
Linus Walleij | 5149116 | 2012-05-11 22:17:07 +0000 | [diff] [blame] | 1062 | if (cpu_to_le32(RNDIS_MSG_PACKET) |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1063 | != get_unaligned(tmp++)) { |
| 1064 | dev_kfree_skb_any(skb); |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1065 | return -EINVAL; |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1066 | } |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1067 | tmp++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1069 | /* DataOffset, DataLength */ |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1070 | if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) { |
| 1071 | dev_kfree_skb_any(skb); |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1072 | return -EOVERFLOW; |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1073 | } |
Harvey Harrison | a5abdea | 2008-04-29 01:03:40 -0700 | [diff] [blame] | 1074 | skb_trim(skb, get_unaligned_le32(tmp++)); |
David Brownell | 6cdee10 | 2005-04-18 17:39:34 -0700 | [diff] [blame] | 1075 | |
Brian Niebuhr | 9b39e9d | 2009-08-14 10:04:22 -0500 | [diff] [blame] | 1076 | skb_queue_tail(list, skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | return 0; |
| 1078 | } |
Felipe Balbi | 0700faa | 2014-04-01 13:19:32 -0500 | [diff] [blame] | 1079 | EXPORT_SYMBOL_GPL(rndis_rm_hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1081 | #ifdef CONFIG_USB_GADGET_DEBUG_FILES |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1082 | |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1083 | static int rndis_proc_show(struct seq_file *m, void *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | { |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1085 | rndis_params *param = m->private; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1086 | |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1087 | seq_printf(m, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1088 | "Config Nr. %d\n" |
| 1089 | "used : %s\n" |
| 1090 | "state : %s\n" |
| 1091 | "medium : 0x%08X\n" |
| 1092 | "speed : %d\n" |
| 1093 | "cable : %s\n" |
| 1094 | "vendor ID : 0x%08X\n" |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1095 | "vendor : %s\n", |
| 1096 | param->confignr, (param->used) ? "y" : "n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | ({ char *s = "?"; |
| 1098 | switch (param->state) { |
| 1099 | case RNDIS_UNINITIALIZED: |
| 1100 | s = "RNDIS_UNINITIALIZED"; break; |
| 1101 | case RNDIS_INITIALIZED: |
| 1102 | s = "RNDIS_INITIALIZED"; break; |
| 1103 | case RNDIS_DATA_INITIALIZED: |
| 1104 | s = "RNDIS_DATA_INITIALIZED"; break; |
Joe Perches | 2b84f92 | 2013-10-08 16:01:37 -0700 | [diff] [blame] | 1105 | } s; }), |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1106 | param->medium, |
| 1107 | (param->media_state) ? 0 : param->speed*100, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | (param->media_state) ? "disconnected" : "connected", |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1109 | param->vendorID, param->vendorDescr); |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1110 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | } |
| 1112 | |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1113 | static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1114 | size_t count, loff_t *ppos) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | { |
Al Viro | d9dda78 | 2013-03-31 18:16:14 -0400 | [diff] [blame] | 1116 | rndis_params *p = PDE_DATA(file_inode(file)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | u32 speed = 0; |
| 1118 | int i, fl_speed = 0; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | for (i = 0; i < count; i++) { |
| 1121 | char c; |
| 1122 | if (get_user(c, buffer)) |
| 1123 | return -EFAULT; |
| 1124 | switch (c) { |
| 1125 | case '0': |
| 1126 | case '1': |
| 1127 | case '2': |
| 1128 | case '3': |
| 1129 | case '4': |
| 1130 | case '5': |
| 1131 | case '6': |
| 1132 | case '7': |
| 1133 | case '8': |
| 1134 | case '9': |
| 1135 | fl_speed = 1; |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1136 | speed = speed * 10 + c - '0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | break; |
| 1138 | case 'C': |
| 1139 | case 'c': |
Andrzej Pietrasiewicz | 868055f | 2015-05-18 17:40:02 +0200 | [diff] [blame] | 1140 | rndis_signal_connect(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | break; |
| 1142 | case 'D': |
| 1143 | case 'd': |
Andrzej Pietrasiewicz | 868055f | 2015-05-18 17:40:02 +0200 | [diff] [blame] | 1144 | rndis_signal_disconnect(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | break; |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1146 | default: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1147 | if (fl_speed) p->speed = speed; |
David Brownell | 33376c1 | 2008-08-18 17:45:07 -0700 | [diff] [blame] | 1148 | else pr_debug("%c is not valid\n", c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | break; |
| 1150 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1151 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | buffer++; |
| 1153 | } |
David Brownell | 7e27f18 | 2006-06-13 09:54:40 -0700 | [diff] [blame] | 1154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | return count; |
| 1156 | } |
| 1157 | |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1158 | static int rndis_proc_open(struct inode *inode, struct file *file) |
| 1159 | { |
Al Viro | d9dda78 | 2013-03-31 18:16:14 -0400 | [diff] [blame] | 1160 | return single_open(file, rndis_proc_show, PDE_DATA(inode)); |
Alexey Dobriyan | e184d5f | 2008-05-14 16:25:13 -0700 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | static const struct file_operations rndis_proc_fops = { |
| 1164 | .owner = THIS_MODULE, |
| 1165 | .open = rndis_proc_open, |
| 1166 | .read = seq_read, |
| 1167 | .llseek = seq_lseek, |
| 1168 | .release = single_release, |
| 1169 | .write = rndis_proc_write, |
| 1170 | }; |
| 1171 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1172 | #define NAME_TEMPLATE "driver/rndis-%03d" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | |
Mihai Donțu | a1df4e4 | 2010-09-08 02:54:02 +0300 | [diff] [blame] | 1174 | #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ |