Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 4 | * redistributing this file, you may do so under either license. |
| 5 | * |
| 6 | * GPL LICENSE SUMMARY |
| 7 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 8 | * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of version 2 of the GNU General Public License as |
| 12 | * published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 22 | * USA |
| 23 | * |
| 24 | * The full GNU General Public License is included in this distribution |
| 25 | * in the file called LICENSE.GPL. |
| 26 | * |
| 27 | * Contact Information: |
| 28 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 30 | * |
| 31 | * BSD LICENSE |
| 32 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 33 | * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 34 | * All rights reserved. |
| 35 | * |
| 36 | * Redistribution and use in source and binary forms, with or without |
| 37 | * modification, are permitted provided that the following conditions |
| 38 | * are met: |
| 39 | * |
| 40 | * * Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * * Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in |
| 44 | * the documentation and/or other materials provided with the |
| 45 | * distribution. |
| 46 | * * Neither the name Intel Corporation nor the names of its |
| 47 | * contributors may be used to endorse or promote products derived |
| 48 | * from this software without specific prior written permission. |
| 49 | * |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 61 | * |
| 62 | *****************************************************************************/ |
| 63 | #include <linux/init.h> |
| 64 | #include <linux/kernel.h> |
| 65 | #include <linux/module.h> |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 66 | #include <linux/dma-mapping.h> |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 67 | #include <net/net_namespace.h> |
| 68 | #include <linux/netdevice.h> |
| 69 | #include <net/cfg80211.h> |
| 70 | #include <net/mac80211.h> |
| 71 | #include <net/netlink.h> |
| 72 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 73 | #include "iwl-dev.h" |
| 74 | #include "iwl-core.h" |
| 75 | #include "iwl-debug.h" |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 76 | #include "iwl-io.h" |
| 77 | #include "iwl-agn.h" |
| 78 | #include "iwl-testmode.h" |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 79 | #include "iwl-trans.h" |
Amit Beka | 6fe7dd0 | 2012-01-25 09:19:24 +0200 | [diff] [blame] | 80 | #include "iwl-fh.h" |
Johannes Berg | eae63b8 | 2012-03-06 13:31:06 -0800 | [diff] [blame] | 81 | #include "iwl-prph.h" |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 82 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 83 | |
| 84 | /* Periphery registers absolute lower bound. This is used in order to |
| 85 | * differentiate registery access through HBUS_TARG_PRPH_* and |
| 86 | * HBUS_TARG_MEM_* accesses. |
| 87 | */ |
| 88 | #define IWL_TM_ABS_PRPH_START (0xA00000) |
| 89 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 90 | /* The TLVs used in the gnl message policy between the kernel module and |
| 91 | * user space application. iwl_testmode_gnl_msg_policy is to be carried |
| 92 | * through the NL80211_CMD_TESTMODE channel regulated by nl80211. |
| 93 | * See iwl-testmode.h |
| 94 | */ |
| 95 | static |
| 96 | struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { |
| 97 | [IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, }, |
| 98 | |
| 99 | [IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, }, |
| 100 | [IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, }, |
| 101 | |
| 102 | [IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, }, |
| 103 | [IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, }, |
| 104 | [IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, }, |
| 105 | |
| 106 | [IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, }, |
| 107 | [IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, }, |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 108 | |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 109 | [IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, }, |
| 110 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 111 | [IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, }, |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 112 | [IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, }, |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 113 | [IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, }, |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 114 | |
Wey-Yi Guy | 6489854 | 2011-05-03 18:05:13 -0700 | [diff] [blame] | 115 | [IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, }, |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 116 | |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 117 | [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, }, |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 118 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 119 | [IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, }, |
| 120 | [IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, }, |
| 121 | [IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, }, |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 122 | |
| 123 | [IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, }, |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 124 | [IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, }, |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 125 | [IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, }, |
| 126 | [IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, }, |
| 127 | [IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, }, |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 128 | |
| 129 | [IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, }, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | /* |
| 133 | * See the struct iwl_rx_packet in iwl-commands.h for the format of the |
| 134 | * received events from the device |
| 135 | */ |
Johannes Berg | 48a2d66 | 2012-03-05 11:24:39 -0800 | [diff] [blame] | 136 | static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb) |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 137 | { |
| 138 | struct iwl_rx_packet *pkt = rxb_addr(rxb); |
| 139 | if (pkt) |
| 140 | return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; |
| 141 | else |
| 142 | return 0; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /* |
| 147 | * This function multicasts the spontaneous messages from the device to the |
| 148 | * user space. It is invoked whenever there is a received messages |
| 149 | * from the device. This function is called within the ISR of the rx handlers |
| 150 | * in iwlagn driver. |
| 151 | * |
| 152 | * The parsing of the message content is left to the user space application, |
| 153 | * The message content is treated as unattacked raw data and is encapsulated |
| 154 | * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space. |
| 155 | * |
| 156 | * @priv: the instance of iwlwifi device |
| 157 | * @rxb: pointer to rx data content received by the ISR |
| 158 | * |
| 159 | * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[]. |
| 160 | * For the messages multicasting to the user application, the mandatory |
| 161 | * TLV fields are : |
| 162 | * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT |
| 163 | * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content |
| 164 | */ |
| 165 | |
| 166 | static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, |
Johannes Berg | 48a2d66 | 2012-03-05 11:24:39 -0800 | [diff] [blame] | 167 | struct iwl_rx_cmd_buffer *rxb) |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 168 | { |
| 169 | struct ieee80211_hw *hw = priv->hw; |
| 170 | struct sk_buff *skb; |
| 171 | void *data; |
| 172 | int length; |
| 173 | |
| 174 | data = (void *)rxb_addr(rxb); |
| 175 | length = get_event_length(rxb); |
| 176 | |
| 177 | if (!data || length == 0) |
| 178 | return; |
| 179 | |
| 180 | skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length, |
| 181 | GFP_ATOMIC); |
| 182 | if (skb == NULL) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 183 | IWL_ERR(priv, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 184 | "Run out of memory for messages to user space ?\n"); |
| 185 | return; |
| 186 | } |
| 187 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); |
| 188 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data); |
| 189 | cfg80211_testmode_event(skb, GFP_ATOMIC); |
| 190 | return; |
| 191 | |
| 192 | nla_put_failure: |
| 193 | kfree_skb(skb); |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 194 | IWL_ERR(priv, "Ouch, overran buffer, check allocation!\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | void iwl_testmode_init(struct iwl_priv *priv) |
| 198 | { |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 199 | priv->pre_rx_handler = NULL; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 200 | priv->testmode_trace.trace_enabled = false; |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 201 | priv->testmode_mem.read_in_progress = false; |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 202 | } |
| 203 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 204 | static void iwl_mem_cleanup(struct iwl_priv *priv) |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 205 | { |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 206 | if (priv->testmode_mem.read_in_progress) { |
| 207 | kfree(priv->testmode_mem.buff_addr); |
| 208 | priv->testmode_mem.buff_addr = NULL; |
| 209 | priv->testmode_mem.buff_size = 0; |
| 210 | priv->testmode_mem.num_chunks = 0; |
| 211 | priv->testmode_mem.read_in_progress = false; |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 212 | } |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | static void iwl_trace_cleanup(struct iwl_priv *priv) |
| 216 | { |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 217 | if (priv->testmode_trace.trace_enabled) { |
| 218 | if (priv->testmode_trace.cpu_addr && |
| 219 | priv->testmode_trace.dma_addr) |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 220 | dma_free_coherent(trans(priv)->dev, |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 221 | priv->testmode_trace.total_size, |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 222 | priv->testmode_trace.cpu_addr, |
| 223 | priv->testmode_trace.dma_addr); |
| 224 | priv->testmode_trace.trace_enabled = false; |
| 225 | priv->testmode_trace.cpu_addr = NULL; |
| 226 | priv->testmode_trace.trace_addr = NULL; |
| 227 | priv->testmode_trace.dma_addr = 0; |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 228 | priv->testmode_trace.buff_size = 0; |
| 229 | priv->testmode_trace.total_size = 0; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 230 | } |
| 231 | } |
| 232 | |
| 233 | |
| 234 | void iwl_testmode_cleanup(struct iwl_priv *priv) |
| 235 | { |
| 236 | iwl_trace_cleanup(priv); |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 237 | iwl_mem_cleanup(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 238 | } |
| 239 | |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 240 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 241 | /* |
| 242 | * This function handles the user application commands to the ucode. |
| 243 | * |
| 244 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and |
| 245 | * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the |
| 246 | * host command to the ucode. |
| 247 | * |
| 248 | * If any mandatory field is missing, -ENOMSG is replied to the user space |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 249 | * application; otherwise, waits for the host command to be sent and checks |
| 250 | * the return code. In case or error, it is returned, otherwise a reply is |
| 251 | * allocated and the reply RX packet |
| 252 | * is returned. |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 253 | * |
| 254 | * @hw: ieee80211_hw object that represents the device |
| 255 | * @tb: gnl message fields from the user space |
| 256 | */ |
| 257 | static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) |
| 258 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 259 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 260 | struct iwl_host_cmd cmd; |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 261 | struct iwl_rx_packet *pkt; |
| 262 | struct sk_buff *skb; |
| 263 | void *reply_buf; |
| 264 | u32 reply_len; |
| 265 | int ret; |
| 266 | bool cmd_want_skb; |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 267 | |
| 268 | memset(&cmd, 0, sizeof(struct iwl_host_cmd)); |
| 269 | |
| 270 | if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] || |
| 271 | !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 272 | IWL_ERR(priv, "Missing ucode command mandatory fields\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 273 | return -ENOMSG; |
| 274 | } |
| 275 | |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 276 | cmd.flags = CMD_ON_DEMAND | CMD_SYNC; |
| 277 | cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]); |
| 278 | if (cmd_want_skb) |
| 279 | cmd.flags |= CMD_WANT_SKB; |
| 280 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 281 | cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 282 | cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); |
| 283 | cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 284 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 285 | IWL_DEBUG_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 286 | " len %d\n", cmd.id, cmd.flags, cmd.len[0]); |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 287 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 288 | ret = iwl_dvm_send_cmd(priv, &cmd); |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 289 | if (ret) { |
| 290 | IWL_ERR(priv, "Failed to send hcmd\n"); |
| 291 | return ret; |
| 292 | } |
| 293 | if (!cmd_want_skb) |
| 294 | return ret; |
| 295 | |
| 296 | /* Handling return of SKB to the user */ |
Johannes Berg | 65b94a4 | 2012-03-05 11:24:38 -0800 | [diff] [blame] | 297 | pkt = cmd.resp_pkt; |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 298 | if (!pkt) { |
| 299 | IWL_ERR(priv, "HCMD received a null response packet\n"); |
| 300 | return ret; |
| 301 | } |
| 302 | |
| 303 | reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; |
| 304 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20); |
| 305 | reply_buf = kmalloc(reply_len, GFP_KERNEL); |
| 306 | if (!skb || !reply_buf) { |
| 307 | kfree_skb(skb); |
| 308 | kfree(reply_buf); |
| 309 | return -ENOMEM; |
| 310 | } |
| 311 | |
| 312 | /* The reply is in a page, that we cannot send to user space. */ |
Amit Beka | edabfa9 | 2012-02-08 10:01:35 +0200 | [diff] [blame] | 313 | memcpy(reply_buf, &(pkt->hdr), reply_len); |
Johannes Berg | 65b94a4 | 2012-03-05 11:24:38 -0800 | [diff] [blame] | 314 | iwl_free_resp(&cmd); |
Amit Beka | cdfef6c | 2012-01-31 15:30:39 +0200 | [diff] [blame] | 315 | |
| 316 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); |
| 317 | NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf); |
| 318 | return cfg80211_testmode_reply(skb); |
| 319 | |
| 320 | nla_put_failure: |
| 321 | IWL_DEBUG_INFO(priv, "Failed creating NL attributes\n"); |
| 322 | return -ENOMSG; |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | |
| 326 | /* |
| 327 | * This function handles the user application commands for register access. |
| 328 | * |
| 329 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the |
| 330 | * handlers respectively. |
| 331 | * |
| 332 | * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the |
| 333 | * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32, |
| 334 | * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating |
| 335 | * the success of the command execution. |
| 336 | * |
| 337 | * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read |
| 338 | * value is returned with IWL_TM_ATTR_REG_VALUE32. |
| 339 | * |
| 340 | * @hw: ieee80211_hw object that represents the device |
| 341 | * @tb: gnl message fields from the user space |
| 342 | */ |
| 343 | static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) |
| 344 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 345 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Amit Beka | 6fe7dd0 | 2012-01-25 09:19:24 +0200 | [diff] [blame] | 346 | u32 ofs, val32, cmd; |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 347 | u8 val8; |
| 348 | struct sk_buff *skb; |
| 349 | int status = 0; |
| 350 | |
| 351 | if (!tb[IWL_TM_ATTR_REG_OFFSET]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 352 | IWL_ERR(priv, "Missing register offset\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 353 | return -ENOMSG; |
| 354 | } |
| 355 | ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]); |
| 356 | IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); |
| 357 | |
Amit Beka | 6fe7dd0 | 2012-01-25 09:19:24 +0200 | [diff] [blame] | 358 | /* Allow access only to FH/CSR/HBUS in direct mode. |
| 359 | Since we don't have the upper bounds for the CSR and HBUS segments, |
| 360 | we will use only the upper bound of FH for sanity check. */ |
| 361 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); |
| 362 | if ((cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 || |
| 363 | cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 || |
| 364 | cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8) && |
| 365 | (ofs >= FH_MEM_UPPER_BOUND)) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 366 | IWL_ERR(priv, "offset out of segment (0x0 - 0x%x)\n", |
Amit Beka | 6fe7dd0 | 2012-01-25 09:19:24 +0200 | [diff] [blame] | 367 | FH_MEM_UPPER_BOUND); |
| 368 | return -EINVAL; |
| 369 | } |
| 370 | |
| 371 | switch (cmd) { |
Hsu, Kenny | 72bcacc | 2011-11-15 19:24:32 -0800 | [diff] [blame] | 372 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 373 | val32 = iwl_read_direct32(trans(priv), ofs); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 374 | IWL_INFO(priv, "32bit value to read 0x%x\n", val32); |
| 375 | |
| 376 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); |
| 377 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 378 | IWL_ERR(priv, "Memory allocation fail\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 379 | return -ENOMEM; |
| 380 | } |
| 381 | NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); |
| 382 | status = cfg80211_testmode_reply(skb); |
| 383 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 384 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 385 | break; |
Hsu, Kenny | 72bcacc | 2011-11-15 19:24:32 -0800 | [diff] [blame] | 386 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 387 | if (!tb[IWL_TM_ATTR_REG_VALUE32]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 388 | IWL_ERR(priv, "Missing value to write\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 389 | return -ENOMSG; |
| 390 | } else { |
| 391 | val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); |
| 392 | IWL_INFO(priv, "32bit value to write 0x%x\n", val32); |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 393 | iwl_write_direct32(trans(priv), ofs, val32); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 394 | } |
| 395 | break; |
Hsu, Kenny | 72bcacc | 2011-11-15 19:24:32 -0800 | [diff] [blame] | 396 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 397 | if (!tb[IWL_TM_ATTR_REG_VALUE8]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 398 | IWL_ERR(priv, "Missing value to write\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 399 | return -ENOMSG; |
| 400 | } else { |
| 401 | val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); |
| 402 | IWL_INFO(priv, "8bit value to write 0x%x\n", val8); |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 403 | iwl_write8(trans(priv), ofs, val8); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 404 | } |
| 405 | break; |
| 406 | default: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 407 | IWL_ERR(priv, "Unknown testmode register command ID\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 408 | return -ENOSYS; |
| 409 | } |
| 410 | |
| 411 | return status; |
| 412 | |
| 413 | nla_put_failure: |
| 414 | kfree_skb(skb); |
| 415 | return -EMSGSIZE; |
| 416 | } |
| 417 | |
| 418 | |
| 419 | static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv) |
| 420 | { |
| 421 | struct iwl_notification_wait calib_wait; |
| 422 | int ret; |
| 423 | |
Johannes Berg | 4bd14dd | 2012-03-06 13:30:58 -0800 | [diff] [blame] | 424 | iwl_init_notification_wait(&priv->notif_wait, &calib_wait, |
| 425 | CALIBRATION_COMPLETE_NOTIFICATION, |
| 426 | NULL, NULL); |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 427 | ret = iwl_init_alive_start(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 428 | if (ret) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 429 | IWL_ERR(priv, "Fail init calibration: %d\n", ret); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 430 | goto cfg_init_calib_error; |
| 431 | } |
| 432 | |
Johannes Berg | 4bd14dd | 2012-03-06 13:30:58 -0800 | [diff] [blame] | 433 | ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, 2 * HZ); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 434 | if (ret) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 435 | IWL_ERR(priv, "Error detecting" |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 436 | " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret); |
| 437 | return ret; |
| 438 | |
| 439 | cfg_init_calib_error: |
Johannes Berg | 4bd14dd | 2012-03-06 13:30:58 -0800 | [diff] [blame] | 440 | iwl_remove_notification(&priv->notif_wait, &calib_wait); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 441 | return ret; |
| 442 | } |
| 443 | |
| 444 | /* |
| 445 | * This function handles the user application commands for driver. |
| 446 | * |
| 447 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the |
| 448 | * handlers respectively. |
| 449 | * |
| 450 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned |
| 451 | * value of the actual command execution is replied to the user application. |
| 452 | * |
| 453 | * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP |
| 454 | * is used for carry the message while IWL_TM_ATTR_COMMAND must set to |
| 455 | * IWL_TM_CMD_DEV2APP_SYNC_RSP. |
| 456 | * |
| 457 | * @hw: ieee80211_hw object that represents the device |
| 458 | * @tb: gnl message fields from the user space |
| 459 | */ |
| 460 | static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) |
| 461 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 462 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Don Fry | 69a679b | 2011-12-07 08:50:46 -0800 | [diff] [blame] | 463 | struct iwl_trans *trans = trans(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 464 | struct sk_buff *skb; |
| 465 | unsigned char *rsp_data_ptr = NULL; |
| 466 | int status = 0, rsp_data_len = 0; |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 467 | u32 devid, inst_size = 0, data_size = 0; |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 468 | |
| 469 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { |
| 470 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 471 | rsp_data_ptr = (unsigned char *)cfg(priv)->name; |
| 472 | rsp_data_len = strlen(cfg(priv)->name); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 473 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
| 474 | rsp_data_len + 20); |
| 475 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 476 | IWL_ERR(priv, "Memory allocation fail\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 477 | return -ENOMEM; |
| 478 | } |
| 479 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, |
| 480 | IWL_TM_CMD_DEV2APP_SYNC_RSP); |
| 481 | NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP, |
| 482 | rsp_data_len, rsp_data_ptr); |
| 483 | status = cfg80211_testmode_reply(skb); |
| 484 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 485 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 486 | break; |
| 487 | |
| 488 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 489 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 490 | if (status) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 491 | IWL_ERR(priv, "Error loading init ucode: %d\n", status); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 492 | break; |
| 493 | |
| 494 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: |
| 495 | iwl_testmode_cfg_init_calib(priv); |
Don Fry | 69a679b | 2011-12-07 08:50:46 -0800 | [diff] [blame] | 496 | iwl_trans_stop_device(trans); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 497 | break; |
| 498 | |
| 499 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 500 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 501 | if (status) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 502 | IWL_ERR(priv, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 503 | "Error loading runtime ucode: %d\n", status); |
| 504 | break; |
| 505 | } |
| 506 | status = iwl_alive_start(priv); |
| 507 | if (status) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 508 | IWL_ERR(priv, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 509 | "Error starting the device: %d\n", status); |
| 510 | break; |
| 511 | |
Hsu, Kenny | d4af19f | 2011-11-24 22:26:53 -0800 | [diff] [blame] | 512 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
| 513 | iwl_scan_cancel_timeout(priv, 200); |
Don Fry | 69a679b | 2011-12-07 08:50:46 -0800 | [diff] [blame] | 514 | iwl_trans_stop_device(trans); |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 515 | status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); |
Hsu, Kenny | d4af19f | 2011-11-24 22:26:53 -0800 | [diff] [blame] | 516 | if (status) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 517 | IWL_ERR(priv, |
Hsu, Kenny | d4af19f | 2011-11-24 22:26:53 -0800 | [diff] [blame] | 518 | "Error loading WOWLAN ucode: %d\n", status); |
| 519 | break; |
| 520 | } |
| 521 | status = iwl_alive_start(priv); |
| 522 | if (status) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 523 | IWL_ERR(priv, |
Hsu, Kenny | d4af19f | 2011-11-24 22:26:53 -0800 | [diff] [blame] | 524 | "Error starting the device: %d\n", status); |
| 525 | break; |
| 526 | |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 527 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 528 | if (priv->shrd->eeprom) { |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 529 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 530 | cfg(priv)->base_params->eeprom_size + 20); |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 531 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 532 | IWL_ERR(priv, "Memory allocation fail\n"); |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 533 | return -ENOMEM; |
| 534 | } |
| 535 | NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, |
| 536 | IWL_TM_CMD_DEV2APP_EEPROM_RSP); |
| 537 | NLA_PUT(skb, IWL_TM_ATTR_EEPROM, |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 538 | cfg(priv)->base_params->eeprom_size, |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 539 | priv->shrd->eeprom); |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 540 | status = cfg80211_testmode_reply(skb); |
| 541 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 542 | IWL_ERR(priv, "Error sending msg : %d\n", |
| 543 | status); |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 544 | } else |
| 545 | return -EFAULT; |
| 546 | break; |
| 547 | |
Wey-Yi Guy | 6489854 | 2011-05-03 18:05:13 -0700 | [diff] [blame] | 548 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
| 549 | if (!tb[IWL_TM_ATTR_FIXRATE]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 550 | IWL_ERR(priv, "Missing fixrate setting\n"); |
Wey-Yi Guy | 6489854 | 2011-05-03 18:05:13 -0700 | [diff] [blame] | 551 | return -ENOMSG; |
| 552 | } |
Wey-Yi Guy | 4e30811 | 2011-07-08 08:46:28 -0700 | [diff] [blame] | 553 | priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); |
Wey-Yi Guy | 6489854 | 2011-05-03 18:05:13 -0700 | [diff] [blame] | 554 | break; |
| 555 | |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 556 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
Don Fry | d359667 | 2012-02-06 15:51:15 -0800 | [diff] [blame] | 557 | IWL_INFO(priv, "uCode version raw: 0x%x\n", |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 558 | priv->fw->ucode_ver); |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 559 | |
| 560 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); |
| 561 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 562 | IWL_ERR(priv, "Memory allocation fail\n"); |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 563 | return -ENOMEM; |
| 564 | } |
Don Fry | d359667 | 2012-02-06 15:51:15 -0800 | [diff] [blame] | 565 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 566 | priv->fw->ucode_ver); |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 567 | status = cfg80211_testmode_reply(skb); |
| 568 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 569 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 570 | break; |
| 571 | |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 572 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
Emmanuel Grumbach | 99673ee | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 573 | devid = trans(priv)->hw_id; |
Wey-Yi Guy | fb6c1c6 | 2011-12-10 11:33:53 -0800 | [diff] [blame] | 574 | IWL_INFO(priv, "hw version: 0x%x\n", devid); |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 575 | |
| 576 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); |
| 577 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 578 | IWL_ERR(priv, "Memory allocation fail\n"); |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 579 | return -ENOMEM; |
| 580 | } |
| 581 | NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid); |
| 582 | status = cfg80211_testmode_reply(skb); |
| 583 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 584 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 585 | break; |
| 586 | |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 587 | case IWL_TM_CMD_APP2DEV_GET_FW_INFO: |
| 588 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20 + 8); |
| 589 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 590 | IWL_ERR(priv, "Memory allocation fail\n"); |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 591 | return -ENOMEM; |
| 592 | } |
| 593 | switch (priv->shrd->ucode_type) { |
| 594 | case IWL_UCODE_REGULAR: |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 595 | inst_size = priv->fw->ucode_rt.code.len; |
| 596 | data_size = priv->fw->ucode_rt.data.len; |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 597 | break; |
| 598 | case IWL_UCODE_INIT: |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 599 | inst_size = priv->fw->ucode_init.code.len; |
| 600 | data_size = priv->fw->ucode_init.data.len; |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 601 | break; |
| 602 | case IWL_UCODE_WOWLAN: |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 603 | inst_size = priv->fw->ucode_wowlan.code.len; |
| 604 | data_size = priv->fw->ucode_wowlan.data.len; |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 605 | break; |
| 606 | case IWL_UCODE_NONE: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 607 | IWL_ERR(priv, "No uCode has not been loaded\n"); |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 608 | break; |
| 609 | default: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 610 | IWL_ERR(priv, "Unsupported uCode type\n"); |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 611 | break; |
| 612 | } |
| 613 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type); |
| 614 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size); |
| 615 | NLA_PUT_U32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size); |
| 616 | status = cfg80211_testmode_reply(skb); |
| 617 | if (status < 0) |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 618 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 619 | break; |
| 620 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 621 | default: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 622 | IWL_ERR(priv, "Unknown testmode driver command ID\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 623 | return -ENOSYS; |
| 624 | } |
| 625 | return status; |
| 626 | |
| 627 | nla_put_failure: |
| 628 | kfree_skb(skb); |
| 629 | return -EMSGSIZE; |
| 630 | } |
| 631 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 632 | |
| 633 | /* |
| 634 | * This function handles the user application commands for uCode trace |
| 635 | * |
| 636 | * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the |
| 637 | * handlers respectively. |
| 638 | * |
| 639 | * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned |
| 640 | * value of the actual command execution is replied to the user application. |
| 641 | * |
| 642 | * @hw: ieee80211_hw object that represents the device |
| 643 | * @tb: gnl message fields from the user space |
| 644 | */ |
| 645 | static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) |
| 646 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 647 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 648 | struct sk_buff *skb; |
| 649 | int status = 0; |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 650 | struct device *dev = trans(priv)->dev; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 651 | |
| 652 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { |
| 653 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: |
| 654 | if (priv->testmode_trace.trace_enabled) |
| 655 | return -EBUSY; |
| 656 | |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 657 | if (!tb[IWL_TM_ATTR_TRACE_SIZE]) |
| 658 | priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF; |
| 659 | else |
| 660 | priv->testmode_trace.buff_size = |
| 661 | nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]); |
| 662 | if (!priv->testmode_trace.buff_size) |
| 663 | return -EINVAL; |
| 664 | if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN || |
| 665 | priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX) |
| 666 | return -EINVAL; |
| 667 | |
| 668 | priv->testmode_trace.total_size = |
| 669 | priv->testmode_trace.buff_size + TRACE_BUFF_PADD; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 670 | priv->testmode_trace.cpu_addr = |
| 671 | dma_alloc_coherent(dev, |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 672 | priv->testmode_trace.total_size, |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 673 | &priv->testmode_trace.dma_addr, |
| 674 | GFP_KERNEL); |
| 675 | if (!priv->testmode_trace.cpu_addr) |
| 676 | return -ENOMEM; |
| 677 | priv->testmode_trace.trace_enabled = true; |
| 678 | priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN( |
| 679 | priv->testmode_trace.cpu_addr, 0x100); |
| 680 | memset(priv->testmode_trace.trace_addr, 0x03B, |
Wey-Yi Guy | 49b7210 | 2011-05-30 10:29:37 -0700 | [diff] [blame] | 681 | priv->testmode_trace.buff_size); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 682 | skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, |
| 683 | sizeof(priv->testmode_trace.dma_addr) + 20); |
| 684 | if (!skb) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 685 | IWL_ERR(priv, "Memory allocation fail\n"); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 686 | iwl_trace_cleanup(priv); |
| 687 | return -ENOMEM; |
| 688 | } |
| 689 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR, |
| 690 | sizeof(priv->testmode_trace.dma_addr), |
| 691 | (u64 *)&priv->testmode_trace.dma_addr); |
| 692 | status = cfg80211_testmode_reply(skb); |
| 693 | if (status < 0) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 694 | IWL_ERR(priv, "Error sending msg : %d\n", status); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 695 | } |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 696 | priv->testmode_trace.num_chunks = |
| 697 | DIV_ROUND_UP(priv->testmode_trace.buff_size, |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 698 | DUMP_CHUNK_SIZE); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 699 | break; |
| 700 | |
| 701 | case IWL_TM_CMD_APP2DEV_END_TRACE: |
| 702 | iwl_trace_cleanup(priv); |
| 703 | break; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 704 | default: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 705 | IWL_ERR(priv, "Unknown testmode mem command ID\n"); |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 706 | return -ENOSYS; |
| 707 | } |
| 708 | return status; |
| 709 | |
| 710 | nla_put_failure: |
| 711 | kfree_skb(skb); |
| 712 | if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) == |
| 713 | IWL_TM_CMD_APP2DEV_BEGIN_TRACE) |
| 714 | iwl_trace_cleanup(priv); |
| 715 | return -EMSGSIZE; |
| 716 | } |
| 717 | |
Johannes Berg | c1803c9 | 2012-03-07 09:52:14 -0800 | [diff] [blame] | 718 | static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 719 | struct sk_buff *skb, |
| 720 | struct netlink_callback *cb) |
| 721 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 722 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 723 | int idx, length; |
| 724 | |
| 725 | if (priv->testmode_trace.trace_enabled && |
| 726 | priv->testmode_trace.trace_addr) { |
| 727 | idx = cb->args[4]; |
| 728 | if (idx >= priv->testmode_trace.num_chunks) |
| 729 | return -ENOENT; |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 730 | length = DUMP_CHUNK_SIZE; |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 731 | if (((idx + 1) == priv->testmode_trace.num_chunks) && |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 732 | (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE)) |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 733 | length = priv->testmode_trace.buff_size % |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 734 | DUMP_CHUNK_SIZE; |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 735 | |
| 736 | NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length, |
| 737 | priv->testmode_trace.trace_addr + |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 738 | (DUMP_CHUNK_SIZE * idx)); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 739 | idx++; |
| 740 | cb->args[4] = idx; |
| 741 | return 0; |
| 742 | } else |
| 743 | return -EFAULT; |
| 744 | |
| 745 | nla_put_failure: |
| 746 | return -ENOBUFS; |
| 747 | } |
| 748 | |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 749 | /* |
| 750 | * This function handles the user application switch ucode ownership. |
| 751 | * |
| 752 | * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and |
| 753 | * decide who the current owner of the uCode |
| 754 | * |
| 755 | * If the current owner is OWNERSHIP_TM, then the only host command |
| 756 | * can deliver to uCode is from testmode, all the other host commands |
| 757 | * will dropped. |
| 758 | * |
| 759 | * default driver is the owner of uCode in normal operational mode |
| 760 | * |
| 761 | * @hw: ieee80211_hw object that represents the device |
| 762 | * @tb: gnl message fields from the user space |
| 763 | */ |
| 764 | static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) |
| 765 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 766 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 767 | u8 owner; |
| 768 | |
| 769 | if (!tb[IWL_TM_ATTR_UCODE_OWNER]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 770 | IWL_ERR(priv, "Missing ucode owner\n"); |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 771 | return -ENOMSG; |
| 772 | } |
| 773 | |
| 774 | owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 775 | if (owner == IWL_OWNERSHIP_DRIVER) { |
Johannes Berg | 947a940 | 2012-03-06 13:30:59 -0800 | [diff] [blame] | 776 | priv->ucode_owner = owner; |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 777 | priv->pre_rx_handler = NULL; |
| 778 | } else if (owner == IWL_OWNERSHIP_TM) { |
| 779 | priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; |
| 780 | priv->ucode_owner = owner; |
| 781 | } else { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 782 | IWL_ERR(priv, "Invalid owner\n"); |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 783 | return -EINVAL; |
| 784 | } |
| 785 | return 0; |
| 786 | } |
| 787 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 788 | static int iwl_testmode_indirect_read(struct iwl_priv *priv, u32 addr, u32 size) |
| 789 | { |
| 790 | struct iwl_trans *trans = trans(priv); |
| 791 | unsigned long flags; |
| 792 | int i; |
| 793 | |
| 794 | if (size & 0x3) |
| 795 | return -EINVAL; |
| 796 | priv->testmode_mem.buff_size = size; |
| 797 | priv->testmode_mem.buff_addr = |
| 798 | kmalloc(priv->testmode_mem.buff_size, GFP_KERNEL); |
| 799 | if (priv->testmode_mem.buff_addr == NULL) |
| 800 | return -ENOMEM; |
| 801 | |
| 802 | /* Hard-coded periphery absolute address */ |
| 803 | if (IWL_TM_ABS_PRPH_START <= addr && |
| 804 | addr < IWL_TM_ABS_PRPH_START + PRPH_END) { |
| 805 | spin_lock_irqsave(&trans->reg_lock, flags); |
| 806 | iwl_grab_nic_access(trans); |
Amit Beka | 858b7c7 | 2012-02-06 00:40:47 +0200 | [diff] [blame] | 807 | iwl_write32(trans, HBUS_TARG_PRPH_RADDR, |
| 808 | addr | (3 << 24)); |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 809 | for (i = 0; i < size; i += 4) |
Amit Beka | 858b7c7 | 2012-02-06 00:40:47 +0200 | [diff] [blame] | 810 | *(u32 *)(priv->testmode_mem.buff_addr + i) = |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 811 | iwl_read32(trans, HBUS_TARG_PRPH_RDAT); |
| 812 | iwl_release_nic_access(trans); |
| 813 | spin_unlock_irqrestore(&trans->reg_lock, flags); |
| 814 | } else { /* target memory (SRAM) */ |
| 815 | _iwl_read_targ_mem_words(trans, addr, |
| 816 | priv->testmode_mem.buff_addr, |
| 817 | priv->testmode_mem.buff_size / 4); |
| 818 | } |
| 819 | |
| 820 | priv->testmode_mem.num_chunks = |
| 821 | DIV_ROUND_UP(priv->testmode_mem.buff_size, DUMP_CHUNK_SIZE); |
| 822 | priv->testmode_mem.read_in_progress = true; |
| 823 | return 0; |
| 824 | |
| 825 | } |
| 826 | |
| 827 | static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr, |
| 828 | u32 size, unsigned char *buf) |
| 829 | { |
| 830 | struct iwl_trans *trans = trans(priv); |
| 831 | u32 val, i; |
| 832 | unsigned long flags; |
| 833 | |
| 834 | if (IWL_TM_ABS_PRPH_START <= addr && |
| 835 | addr < IWL_TM_ABS_PRPH_START + PRPH_END) { |
| 836 | /* Periphery writes can be 1-3 bytes long, or DWORDs */ |
| 837 | if (size < 4) { |
| 838 | memcpy(&val, buf, size); |
| 839 | spin_lock_irqsave(&trans->reg_lock, flags); |
| 840 | iwl_grab_nic_access(trans); |
| 841 | iwl_write32(trans, HBUS_TARG_PRPH_WADDR, |
Amit Beka | 858b7c7 | 2012-02-06 00:40:47 +0200 | [diff] [blame] | 842 | (addr & 0x0000FFFF) | |
| 843 | ((size - 1) << 24)); |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 844 | iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val); |
| 845 | iwl_release_nic_access(trans); |
| 846 | /* needed after consecutive writes w/o read */ |
| 847 | mmiowb(); |
| 848 | spin_unlock_irqrestore(&trans->reg_lock, flags); |
| 849 | } else { |
| 850 | if (size % 4) |
| 851 | return -EINVAL; |
| 852 | for (i = 0; i < size; i += 4) |
| 853 | iwl_write_prph(trans, addr+i, |
Amit Beka | 858b7c7 | 2012-02-06 00:40:47 +0200 | [diff] [blame] | 854 | *(u32 *)(buf+i)); |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 855 | } |
| 856 | } else if (iwlagn_hw_valid_rtc_data_addr(addr) || |
| 857 | (IWLAGN_RTC_INST_LOWER_BOUND <= addr && |
| 858 | addr < IWLAGN_RTC_INST_UPPER_BOUND)) { |
| 859 | _iwl_write_targ_mem_words(trans, addr, buf, size/4); |
| 860 | } else |
| 861 | return -EINVAL; |
| 862 | return 0; |
| 863 | } |
| 864 | |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 865 | /* |
| 866 | * This function handles the user application commands for SRAM data dump |
| 867 | * |
| 868 | * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and |
| 869 | * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading |
| 870 | * |
| 871 | * Several error will be retured, -EBUSY if the SRAM data retrieved by |
| 872 | * previous command has not been delivered to userspace, or -ENOMSG if |
| 873 | * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE) |
| 874 | * are missing, or -ENOMEM if the buffer allocation fails. |
| 875 | * |
| 876 | * Otherwise 0 is replied indicating the success of the SRAM reading. |
| 877 | * |
| 878 | * @hw: ieee80211_hw object that represents the device |
| 879 | * @tb: gnl message fields from the user space |
| 880 | */ |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 881 | static int iwl_testmode_indirect_mem(struct ieee80211_hw *hw, |
| 882 | struct nlattr **tb) |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 883 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 884 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 885 | u32 addr, size, cmd; |
| 886 | unsigned char *buf; |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 887 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 888 | /* Both read and write should be blocked, for atomicity */ |
| 889 | if (priv->testmode_mem.read_in_progress) |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 890 | return -EBUSY; |
| 891 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 892 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); |
| 893 | if (!tb[IWL_TM_ATTR_MEM_ADDR]) { |
| 894 | IWL_ERR(priv, "Error finding memory offset address\n"); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 895 | return -ENOMSG; |
| 896 | } |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 897 | addr = nla_get_u32(tb[IWL_TM_ATTR_MEM_ADDR]); |
| 898 | if (!tb[IWL_TM_ATTR_BUFFER_SIZE]) { |
| 899 | IWL_ERR(priv, "Error finding size for memory reading\n"); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 900 | return -ENOMSG; |
| 901 | } |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 902 | size = nla_get_u32(tb[IWL_TM_ATTR_BUFFER_SIZE]); |
| 903 | |
| 904 | if (cmd == IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ) |
| 905 | return iwl_testmode_indirect_read(priv, addr, size); |
| 906 | else { |
| 907 | if (!tb[IWL_TM_ATTR_BUFFER_DUMP]) |
| 908 | return -EINVAL; |
| 909 | buf = (unsigned char *) nla_data(tb[IWL_TM_ATTR_BUFFER_DUMP]); |
| 910 | return iwl_testmode_indirect_write(priv, addr, size, buf); |
Kenny Hsu | 76de2f2 | 2011-11-23 06:57:22 -0800 | [diff] [blame] | 911 | } |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 912 | } |
| 913 | |
Johannes Berg | c1803c9 | 2012-03-07 09:52:14 -0800 | [diff] [blame] | 914 | static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, |
| 915 | struct sk_buff *skb, |
| 916 | struct netlink_callback *cb) |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 917 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 918 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 919 | int idx, length; |
| 920 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 921 | if (priv->testmode_mem.read_in_progress) { |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 922 | idx = cb->args[4]; |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 923 | if (idx >= priv->testmode_mem.num_chunks) { |
| 924 | iwl_mem_cleanup(priv); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 925 | return -ENOENT; |
| 926 | } |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 927 | length = DUMP_CHUNK_SIZE; |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 928 | if (((idx + 1) == priv->testmode_mem.num_chunks) && |
| 929 | (priv->testmode_mem.buff_size % DUMP_CHUNK_SIZE)) |
| 930 | length = priv->testmode_mem.buff_size % |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 931 | DUMP_CHUNK_SIZE; |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 932 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 933 | NLA_PUT(skb, IWL_TM_ATTR_BUFFER_DUMP, length, |
| 934 | priv->testmode_mem.buff_addr + |
Hsu, Kenny | e056a65 | 2011-11-22 23:05:02 -0800 | [diff] [blame] | 935 | (DUMP_CHUNK_SIZE * idx)); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 936 | idx++; |
| 937 | cb->args[4] = idx; |
| 938 | return 0; |
| 939 | } else |
| 940 | return -EFAULT; |
| 941 | |
| 942 | nla_put_failure: |
| 943 | return -ENOBUFS; |
| 944 | } |
| 945 | |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 946 | static int iwl_testmode_notifications(struct ieee80211_hw *hw, |
| 947 | struct nlattr **tb) |
| 948 | { |
| 949 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
| 950 | bool enable; |
| 951 | |
| 952 | enable = nla_get_flag(tb[IWL_TM_ATTR_ENABLE_NOTIFICATION]); |
| 953 | if (enable) |
| 954 | priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; |
| 955 | else |
| 956 | priv->pre_rx_handler = NULL; |
| 957 | return 0; |
| 958 | } |
| 959 | |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 960 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 961 | /* The testmode gnl message handler that takes the gnl message from the |
| 962 | * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then |
| 963 | * invoke the corresponding handlers. |
| 964 | * |
| 965 | * This function is invoked when there is user space application sending |
| 966 | * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated |
| 967 | * by nl80211. |
| 968 | * |
| 969 | * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before |
| 970 | * dispatching it to the corresponding handler. |
| 971 | * |
| 972 | * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application; |
| 973 | * -ENOSYS is replied to the user application if the command is unknown; |
| 974 | * Otherwise, the command is dispatched to the respective handler. |
| 975 | * |
| 976 | * @hw: ieee80211_hw object that represents the device |
| 977 | * @data: pointer to user space message |
| 978 | * @len: length in byte of @data |
| 979 | */ |
Wey-Yi Guy | ade4c64 | 2011-10-10 07:27:11 -0700 | [diff] [blame] | 980 | int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 981 | { |
Wey-Yi Guy | a677927 | 2011-07-11 10:47:39 -0700 | [diff] [blame] | 982 | struct nlattr *tb[IWL_TM_ATTR_MAX]; |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 983 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 984 | int result; |
| 985 | |
| 986 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, |
| 987 | iwl_testmode_gnl_msg_policy); |
| 988 | if (result != 0) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 989 | IWL_ERR(priv, "Error parsing the gnl message : %d\n", result); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 990 | return result; |
| 991 | } |
| 992 | |
| 993 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ |
| 994 | if (!tb[IWL_TM_ATTR_COMMAND]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 995 | IWL_ERR(priv, "Missing testmode command type\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 996 | return -ENOMSG; |
| 997 | } |
| 998 | /* in case multiple accesses to the device happens */ |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 999 | mutex_lock(&priv->mutex); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1000 | |
| 1001 | switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { |
| 1002 | case IWL_TM_CMD_APP2DEV_UCODE: |
| 1003 | IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n"); |
| 1004 | result = iwl_testmode_ucode(hw, tb); |
| 1005 | break; |
Hsu, Kenny | 72bcacc | 2011-11-15 19:24:32 -0800 | [diff] [blame] | 1006 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: |
| 1007 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: |
| 1008 | case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1009 | IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); |
| 1010 | result = iwl_testmode_reg(hw, tb); |
| 1011 | break; |
| 1012 | case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: |
| 1013 | case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: |
| 1014 | case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: |
| 1015 | case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: |
Wey-Yi Guy | 4babc35 | 2011-05-03 18:05:12 -0700 | [diff] [blame] | 1016 | case IWL_TM_CMD_APP2DEV_GET_EEPROM: |
Wey-Yi Guy | 6489854 | 2011-05-03 18:05:13 -0700 | [diff] [blame] | 1017 | case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: |
Hsu, Kenny | d4af19f | 2011-11-24 22:26:53 -0800 | [diff] [blame] | 1018 | case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: |
Hsu, Kenny | e1a38fe | 2011-11-28 00:55:38 -0800 | [diff] [blame] | 1019 | case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: |
Hsu, Kenny | 0bec12b | 2011-12-01 01:12:50 -0800 | [diff] [blame] | 1020 | case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: |
Kenny Hsu | aca9b5f | 2011-12-24 12:12:12 +0800 | [diff] [blame] | 1021 | case IWL_TM_CMD_APP2DEV_GET_FW_INFO: |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1022 | IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); |
| 1023 | result = iwl_testmode_driver(hw, tb); |
| 1024 | break; |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 1025 | |
| 1026 | case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: |
| 1027 | case IWL_TM_CMD_APP2DEV_END_TRACE: |
| 1028 | case IWL_TM_CMD_APP2DEV_READ_TRACE: |
| 1029 | IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n"); |
| 1030 | result = iwl_testmode_trace(hw, tb); |
| 1031 | break; |
| 1032 | |
Wey-Yi Guy | e98a193 | 2011-07-08 08:46:26 -0700 | [diff] [blame] | 1033 | case IWL_TM_CMD_APP2DEV_OWNERSHIP: |
| 1034 | IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n"); |
| 1035 | result = iwl_testmode_ownership(hw, tb); |
| 1036 | break; |
| 1037 | |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 1038 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ: |
| 1039 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE: |
| 1040 | IWL_DEBUG_INFO(priv, "testmode indirect memory cmd " |
| 1041 | "to driver\n"); |
| 1042 | result = iwl_testmode_indirect_mem(hw, tb); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 1043 | break; |
| 1044 | |
Amit Beka | 0aef8dd | 2012-03-07 09:52:29 -0800 | [diff] [blame^] | 1045 | case IWL_TM_CMD_APP2DEV_NOTIFICATIONS: |
| 1046 | IWL_DEBUG_INFO(priv, "testmode notifications cmd " |
| 1047 | "to driver\n"); |
| 1048 | result = iwl_testmode_notifications(hw, tb); |
| 1049 | break; |
| 1050 | |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1051 | default: |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 1052 | IWL_ERR(priv, "Unknown testmode command\n"); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1053 | result = -ENOSYS; |
| 1054 | break; |
| 1055 | } |
| 1056 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1057 | mutex_unlock(&priv->mutex); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1058 | return result; |
| 1059 | } |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1060 | |
Wey-Yi Guy | ade4c64 | 2011-10-10 07:27:11 -0700 | [diff] [blame] | 1061 | int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1062 | struct netlink_callback *cb, |
| 1063 | void *data, int len) |
| 1064 | { |
| 1065 | struct nlattr *tb[IWL_TM_ATTR_MAX]; |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1066 | struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1067 | int result; |
| 1068 | u32 cmd; |
| 1069 | |
| 1070 | if (cb->args[3]) { |
| 1071 | /* offset by 1 since commands start at 0 */ |
| 1072 | cmd = cb->args[3] - 1; |
| 1073 | } else { |
| 1074 | result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, |
| 1075 | iwl_testmode_gnl_msg_policy); |
| 1076 | if (result) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 1077 | IWL_ERR(priv, |
| 1078 | "Error parsing the gnl message : %d\n", result); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1079 | return result; |
| 1080 | } |
| 1081 | |
| 1082 | /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ |
| 1083 | if (!tb[IWL_TM_ATTR_COMMAND]) { |
Wey-Yi Guy | 2f73d7c | 2012-02-03 13:06:57 -0800 | [diff] [blame] | 1084 | IWL_ERR(priv, "Missing testmode command type\n"); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1085 | return -ENOMSG; |
| 1086 | } |
| 1087 | cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); |
| 1088 | cb->args[3] = cmd + 1; |
| 1089 | } |
| 1090 | |
| 1091 | /* in case multiple accesses to the device happens */ |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1092 | mutex_lock(&priv->mutex); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1093 | switch (cmd) { |
| 1094 | case IWL_TM_CMD_APP2DEV_READ_TRACE: |
| 1095 | IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); |
Johannes Berg | c1803c9 | 2012-03-07 09:52:14 -0800 | [diff] [blame] | 1096 | result = iwl_testmode_trace_dump(hw, skb, cb); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1097 | break; |
Amit Beka | 6c55f5e | 2012-01-25 13:30:27 +0200 | [diff] [blame] | 1098 | case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP: |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 1099 | IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n"); |
Johannes Berg | c1803c9 | 2012-03-07 09:52:14 -0800 | [diff] [blame] | 1100 | result = iwl_testmode_buffer_dump(hw, skb, cb); |
Hsu, Kenny | 306713f | 2011-11-22 23:03:39 -0800 | [diff] [blame] | 1101 | break; |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1102 | default: |
| 1103 | result = -EINVAL; |
| 1104 | break; |
| 1105 | } |
| 1106 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1107 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 1108 | return result; |
| 1109 | } |