Sreelakshmi Gownipalli | 8d477d3 | 2017-02-08 19:49:06 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2008-2017, The Linux Foundation. All rights reserved. |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/diagchar.h> |
| 16 | #include <linux/kmemleak.h> |
| 17 | #include <linux/workqueue.h> |
| 18 | #include <linux/uaccess.h> |
| 19 | #include "diagchar.h" |
| 20 | #include "diagfwd_cntl.h" |
| 21 | #include "diag_masks.h" |
| 22 | #include "diagfwd_peripheral.h" |
| 23 | #include "diag_ipc_logging.h" |
| 24 | |
| 25 | #define ALL_EQUIP_ID 100 |
| 26 | #define ALL_SSID -1 |
| 27 | |
| 28 | #define DIAG_SET_FEATURE_MASK(x) (feature_bytes[(x)/8] |= (1 << (x & 0x7))) |
| 29 | |
| 30 | #define diag_check_update(x) \ |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 31 | (!info || (info && (info->peripheral_mask & MD_PERIPHERAL_MASK(x))) \ |
| 32 | || (info && (info->peripheral_mask & MD_PERIPHERAL_PD_MASK(x)))) \ |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 33 | |
| 34 | struct diag_mask_info msg_mask; |
| 35 | struct diag_mask_info msg_bt_mask; |
| 36 | struct diag_mask_info log_mask; |
| 37 | struct diag_mask_info event_mask; |
| 38 | |
| 39 | static const struct diag_ssid_range_t msg_mask_tbl[] = { |
| 40 | { .ssid_first = MSG_SSID_0, .ssid_last = MSG_SSID_0_LAST }, |
| 41 | { .ssid_first = MSG_SSID_1, .ssid_last = MSG_SSID_1_LAST }, |
| 42 | { .ssid_first = MSG_SSID_2, .ssid_last = MSG_SSID_2_LAST }, |
| 43 | { .ssid_first = MSG_SSID_3, .ssid_last = MSG_SSID_3_LAST }, |
| 44 | { .ssid_first = MSG_SSID_4, .ssid_last = MSG_SSID_4_LAST }, |
| 45 | { .ssid_first = MSG_SSID_5, .ssid_last = MSG_SSID_5_LAST }, |
| 46 | { .ssid_first = MSG_SSID_6, .ssid_last = MSG_SSID_6_LAST }, |
| 47 | { .ssid_first = MSG_SSID_7, .ssid_last = MSG_SSID_7_LAST }, |
| 48 | { .ssid_first = MSG_SSID_8, .ssid_last = MSG_SSID_8_LAST }, |
| 49 | { .ssid_first = MSG_SSID_9, .ssid_last = MSG_SSID_9_LAST }, |
| 50 | { .ssid_first = MSG_SSID_10, .ssid_last = MSG_SSID_10_LAST }, |
| 51 | { .ssid_first = MSG_SSID_11, .ssid_last = MSG_SSID_11_LAST }, |
| 52 | { .ssid_first = MSG_SSID_12, .ssid_last = MSG_SSID_12_LAST }, |
| 53 | { .ssid_first = MSG_SSID_13, .ssid_last = MSG_SSID_13_LAST }, |
| 54 | { .ssid_first = MSG_SSID_14, .ssid_last = MSG_SSID_14_LAST }, |
| 55 | { .ssid_first = MSG_SSID_15, .ssid_last = MSG_SSID_15_LAST }, |
| 56 | { .ssid_first = MSG_SSID_16, .ssid_last = MSG_SSID_16_LAST }, |
| 57 | { .ssid_first = MSG_SSID_17, .ssid_last = MSG_SSID_17_LAST }, |
| 58 | { .ssid_first = MSG_SSID_18, .ssid_last = MSG_SSID_18_LAST }, |
| 59 | { .ssid_first = MSG_SSID_19, .ssid_last = MSG_SSID_19_LAST }, |
| 60 | { .ssid_first = MSG_SSID_20, .ssid_last = MSG_SSID_20_LAST }, |
| 61 | { .ssid_first = MSG_SSID_21, .ssid_last = MSG_SSID_21_LAST }, |
| 62 | { .ssid_first = MSG_SSID_22, .ssid_last = MSG_SSID_22_LAST }, |
| 63 | { .ssid_first = MSG_SSID_23, .ssid_last = MSG_SSID_23_LAST }, |
Chris Lew | d731640 | 2017-06-19 15:42:50 -0700 | [diff] [blame] | 64 | { .ssid_first = MSG_SSID_24, .ssid_last = MSG_SSID_24_LAST }, |
| 65 | { .ssid_first = MSG_SSID_25, .ssid_last = MSG_SSID_25_LAST } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 66 | }; |
| 67 | |
| 68 | static int diag_apps_responds(void) |
| 69 | { |
| 70 | /* |
| 71 | * Apps processor should respond to mask commands only if the |
| 72 | * Modem channel is up, the feature mask is received from Modem |
| 73 | * and if Modem supports Mask Centralization. |
| 74 | */ |
| 75 | if (!chk_apps_only()) |
| 76 | return 0; |
| 77 | |
| 78 | if (driver->diagfwd_cntl[PERIPHERAL_MODEM] && |
| 79 | driver->diagfwd_cntl[PERIPHERAL_MODEM]->ch_open && |
| 80 | driver->feature[PERIPHERAL_MODEM].rcvd_feature_mask) { |
| 81 | if (driver->feature[PERIPHERAL_MODEM].mask_centralization) |
| 82 | return 1; |
| 83 | return 0; |
| 84 | } |
| 85 | return 1; |
| 86 | } |
| 87 | |
| 88 | static void diag_send_log_mask_update(uint8_t peripheral, int equip_id) |
| 89 | { |
| 90 | int i; |
| 91 | int err = 0; |
| 92 | int send_once = 0; |
| 93 | int header_len = sizeof(struct diag_ctrl_log_mask); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 94 | uint8_t *buf = NULL, *temp = NULL; |
| 95 | uint8_t upd = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 96 | uint32_t mask_size = 0; |
| 97 | struct diag_ctrl_log_mask ctrl_pkt; |
| 98 | struct diag_mask_info *mask_info = NULL; |
| 99 | struct diag_log_mask_t *mask = NULL; |
| 100 | |
| 101 | if (peripheral >= NUM_PERIPHERALS) |
| 102 | return; |
| 103 | |
| 104 | if (!driver->diagfwd_cntl[peripheral] || |
| 105 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 106 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 107 | __func__, peripheral); |
| 108 | return; |
| 109 | } |
| 110 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 111 | if (driver->md_session_mask != 0) { |
| 112 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 113 | if (driver->md_session_map[peripheral]) |
| 114 | mask_info = |
| 115 | driver->md_session_map[peripheral]->log_mask; |
| 116 | } else if (driver->md_session_mask & |
| 117 | MD_PERIPHERAL_PD_MASK(peripheral)) { |
| 118 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 119 | if (upd && driver->md_session_map[upd]) |
| 120 | mask_info = |
| 121 | driver->md_session_map[upd]->log_mask; |
| 122 | } else { |
| 123 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 124 | "asking for mask update with unknown session mask\n"); |
| 125 | return; |
| 126 | } |
| 127 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 128 | mask_info = &log_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 129 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 130 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 131 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 132 | return; |
| 133 | |
| 134 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 135 | if (!mask->ptr) |
| 136 | return; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 137 | buf = mask_info->update_buf; |
| 138 | |
| 139 | switch (mask_info->status) { |
| 140 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 141 | ctrl_pkt.equip_id = 0; |
| 142 | ctrl_pkt.num_items = 0; |
| 143 | ctrl_pkt.log_mask_size = 0; |
| 144 | send_once = 1; |
| 145 | break; |
| 146 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 147 | ctrl_pkt.equip_id = 0; |
| 148 | ctrl_pkt.num_items = 0; |
| 149 | ctrl_pkt.log_mask_size = 0; |
| 150 | send_once = 1; |
| 151 | break; |
| 152 | case DIAG_CTRL_MASK_VALID: |
| 153 | send_once = 0; |
| 154 | break; |
| 155 | default: |
| 156 | pr_debug("diag: In %s, invalid log_mask status\n", __func__); |
| 157 | return; |
| 158 | } |
| 159 | |
| 160 | mutex_lock(&mask_info->lock); |
| 161 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 162 | if (equip_id != i && equip_id != ALL_EQUIP_ID) |
| 163 | continue; |
| 164 | |
| 165 | mutex_lock(&mask->lock); |
| 166 | ctrl_pkt.cmd_type = DIAG_CTRL_MSG_LOG_MASK; |
| 167 | ctrl_pkt.stream_id = 1; |
| 168 | ctrl_pkt.status = mask_info->status; |
| 169 | if (mask_info->status == DIAG_CTRL_MASK_VALID) { |
| 170 | mask_size = LOG_ITEMS_TO_SIZE(mask->num_items_tools); |
| 171 | ctrl_pkt.equip_id = i; |
| 172 | ctrl_pkt.num_items = mask->num_items_tools; |
| 173 | ctrl_pkt.log_mask_size = mask_size; |
| 174 | } |
| 175 | ctrl_pkt.data_len = LOG_MASK_CTRL_HEADER_LEN + mask_size; |
| 176 | |
| 177 | if (header_len + mask_size > mask_info->update_buf_len) { |
| 178 | temp = krealloc(buf, header_len + mask_size, |
| 179 | GFP_KERNEL); |
| 180 | if (!temp) { |
| 181 | pr_err_ratelimited("diag: Unable to realloc log update buffer, new size: %d, equip_id: %d\n", |
| 182 | header_len + mask_size, equip_id); |
| 183 | mutex_unlock(&mask->lock); |
| 184 | break; |
| 185 | } |
| 186 | mask_info->update_buf = temp; |
| 187 | mask_info->update_buf_len = header_len + mask_size; |
| 188 | } |
| 189 | |
| 190 | memcpy(buf, &ctrl_pkt, header_len); |
| 191 | if (mask_size > 0) |
| 192 | memcpy(buf + header_len, mask->ptr, mask_size); |
| 193 | mutex_unlock(&mask->lock); |
| 194 | |
| 195 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 196 | "sending ctrl pkt to %d, e %d num_items %d size %d\n", |
| 197 | peripheral, i, ctrl_pkt.num_items, |
| 198 | ctrl_pkt.log_mask_size); |
| 199 | |
| 200 | err = diagfwd_write(peripheral, TYPE_CNTL, |
| 201 | buf, header_len + mask_size); |
| 202 | if (err && err != -ENODEV) |
| 203 | pr_err_ratelimited("diag: Unable to send log masks to peripheral %d, equip_id: %d, err: %d\n", |
| 204 | peripheral, i, err); |
| 205 | if (send_once || equip_id != ALL_EQUIP_ID) |
| 206 | break; |
| 207 | |
| 208 | } |
| 209 | mutex_unlock(&mask_info->lock); |
| 210 | } |
| 211 | |
| 212 | static void diag_send_event_mask_update(uint8_t peripheral) |
| 213 | { |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 214 | uint8_t *buf = NULL, *temp = NULL; |
| 215 | uint8_t upd = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 216 | struct diag_ctrl_event_mask header; |
| 217 | struct diag_mask_info *mask_info = NULL; |
| 218 | int num_bytes = EVENT_COUNT_TO_BYTES(driver->last_event_id); |
| 219 | int write_len = 0; |
| 220 | int err = 0; |
| 221 | int temp_len = 0; |
| 222 | |
| 223 | if (num_bytes <= 0 || num_bytes > driver->event_mask_size) { |
| 224 | pr_debug("diag: In %s, invalid event mask length %d\n", |
| 225 | __func__, num_bytes); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | if (peripheral >= NUM_PERIPHERALS) |
| 230 | return; |
| 231 | |
| 232 | if (!driver->diagfwd_cntl[peripheral] || |
| 233 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 234 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 235 | __func__, peripheral); |
| 236 | return; |
| 237 | } |
| 238 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 239 | if (driver->md_session_mask != 0) { |
| 240 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 241 | if (driver->md_session_map[peripheral]) |
| 242 | mask_info = |
| 243 | driver->md_session_map[peripheral]->event_mask; |
| 244 | } else if (driver->md_session_mask & |
| 245 | MD_PERIPHERAL_PD_MASK(peripheral)) { |
| 246 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 247 | if (upd && driver->md_session_map[upd]) |
| 248 | mask_info = |
| 249 | driver->md_session_map[upd]->event_mask; |
| 250 | } else { |
| 251 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 252 | "asking for mask update with unknown session mask\n"); |
| 253 | return; |
| 254 | } |
| 255 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 256 | mask_info = &event_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 257 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 258 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 259 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 260 | return; |
| 261 | |
| 262 | buf = mask_info->update_buf; |
| 263 | mutex_lock(&mask_info->lock); |
| 264 | header.cmd_type = DIAG_CTRL_MSG_EVENT_MASK; |
| 265 | header.stream_id = 1; |
| 266 | header.status = mask_info->status; |
| 267 | |
| 268 | switch (mask_info->status) { |
| 269 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 270 | header.event_config = 0; |
| 271 | header.event_mask_size = 0; |
| 272 | break; |
| 273 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 274 | header.event_config = 1; |
| 275 | header.event_mask_size = 0; |
| 276 | break; |
| 277 | case DIAG_CTRL_MASK_VALID: |
| 278 | header.event_config = 1; |
| 279 | header.event_mask_size = num_bytes; |
| 280 | if (num_bytes + sizeof(header) > mask_info->update_buf_len) { |
| 281 | temp_len = num_bytes + sizeof(header); |
| 282 | temp = krealloc(buf, temp_len, GFP_KERNEL); |
| 283 | if (!temp) { |
| 284 | pr_err("diag: Unable to realloc event mask update buffer\n"); |
| 285 | goto err; |
| 286 | } else { |
| 287 | mask_info->update_buf = temp; |
| 288 | mask_info->update_buf_len = temp_len; |
| 289 | } |
| 290 | } |
| 291 | memcpy(buf + sizeof(header), mask_info->ptr, num_bytes); |
| 292 | write_len += num_bytes; |
| 293 | break; |
| 294 | default: |
| 295 | pr_debug("diag: In %s, invalid status %d\n", __func__, |
| 296 | mask_info->status); |
| 297 | goto err; |
| 298 | } |
| 299 | header.data_len = EVENT_MASK_CTRL_HEADER_LEN + header.event_mask_size; |
| 300 | memcpy(buf, &header, sizeof(header)); |
| 301 | write_len += sizeof(header); |
| 302 | |
| 303 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, write_len); |
| 304 | if (err && err != -ENODEV) |
| 305 | pr_err_ratelimited("diag: Unable to send event masks to peripheral %d\n", |
| 306 | peripheral); |
| 307 | err: |
| 308 | mutex_unlock(&mask_info->lock); |
| 309 | } |
| 310 | |
| 311 | static void diag_send_msg_mask_update(uint8_t peripheral, int first, int last) |
| 312 | { |
| 313 | int i; |
| 314 | int err = 0; |
| 315 | int header_len = sizeof(struct diag_ctrl_msg_mask); |
| 316 | int temp_len = 0; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 317 | uint8_t *buf = NULL, *temp = NULL; |
| 318 | uint8_t upd = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 319 | uint32_t mask_size = 0; |
| 320 | struct diag_mask_info *mask_info = NULL; |
| 321 | struct diag_msg_mask_t *mask = NULL; |
| 322 | struct diag_ctrl_msg_mask header; |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 323 | uint8_t msg_mask_tbl_count_local; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 324 | |
| 325 | if (peripheral >= NUM_PERIPHERALS) |
| 326 | return; |
| 327 | |
| 328 | if (!driver->diagfwd_cntl[peripheral] || |
| 329 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 330 | pr_debug("diag: In %s, control channel is not open, p: %d\n", |
| 331 | __func__, peripheral); |
| 332 | return; |
| 333 | } |
| 334 | |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 335 | if (driver->md_session_mask != 0) { |
| 336 | if (driver->md_session_mask & MD_PERIPHERAL_MASK(peripheral)) { |
| 337 | if (driver->md_session_map[peripheral]) |
| 338 | mask_info = |
| 339 | driver->md_session_map[peripheral]->msg_mask; |
| 340 | } else if (driver->md_session_mask & |
| 341 | MD_PERIPHERAL_PD_MASK(peripheral)) { |
| 342 | upd = diag_mask_to_pd_value(driver->md_session_mask); |
| 343 | if (upd && driver->md_session_map[upd]) |
| 344 | mask_info = |
| 345 | driver->md_session_map[upd]->msg_mask; |
| 346 | } else { |
| 347 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 348 | "asking for mask update with unknown session mask\n"); |
| 349 | return; |
| 350 | } |
| 351 | } else { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 352 | mask_info = &msg_mask; |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 353 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 354 | |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 355 | if (!mask_info || !mask_info->ptr || !mask_info->update_buf) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 356 | return; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 357 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 358 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 359 | if (!mask->ptr) { |
| 360 | mutex_unlock(&driver->msg_mask_lock); |
Mohit Aggarwal | 9d2727a | 2017-03-06 10:46:20 +0530 | [diff] [blame] | 361 | return; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 362 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 363 | buf = mask_info->update_buf; |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 364 | msg_mask_tbl_count_local = driver->msg_mask_tbl_count; |
| 365 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 366 | mutex_lock(&mask_info->lock); |
| 367 | switch (mask_info->status) { |
| 368 | case DIAG_CTRL_MASK_ALL_DISABLED: |
| 369 | mask_size = 0; |
| 370 | break; |
| 371 | case DIAG_CTRL_MASK_ALL_ENABLED: |
| 372 | mask_size = 1; |
| 373 | break; |
| 374 | case DIAG_CTRL_MASK_VALID: |
| 375 | break; |
| 376 | default: |
| 377 | pr_debug("diag: In %s, invalid status: %d\n", __func__, |
| 378 | mask_info->status); |
| 379 | goto err; |
| 380 | } |
| 381 | |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 382 | for (i = 0; i < msg_mask_tbl_count_local; i++, mask++) { |
| 383 | mutex_lock(&driver->msg_mask_lock); |
| 384 | if (((mask->ssid_first > first) || |
| 385 | (mask->ssid_last_tools < last)) && first != ALL_SSID) { |
| 386 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 387 | continue; |
| 388 | } |
| 389 | |
| 390 | mutex_lock(&mask->lock); |
| 391 | if (mask_info->status == DIAG_CTRL_MASK_VALID) { |
| 392 | mask_size = |
| 393 | mask->ssid_last_tools - mask->ssid_first + 1; |
| 394 | temp_len = mask_size * sizeof(uint32_t); |
| 395 | if (temp_len + header_len <= mask_info->update_buf_len) |
| 396 | goto proceed; |
| 397 | temp = krealloc(mask_info->update_buf, temp_len, |
| 398 | GFP_KERNEL); |
| 399 | if (!temp) { |
| 400 | pr_err("diag: In %s, unable to realloc msg_mask update buffer\n", |
| 401 | __func__); |
| 402 | mask_size = (mask_info->update_buf_len - |
| 403 | header_len) / sizeof(uint32_t); |
| 404 | } else { |
| 405 | mask_info->update_buf = temp; |
| 406 | mask_info->update_buf_len = temp_len; |
| 407 | pr_debug("diag: In %s, successfully reallocated msg_mask update buffer to len: %d\n", |
| 408 | __func__, mask_info->update_buf_len); |
| 409 | } |
| 410 | } else if (mask_info->status == DIAG_CTRL_MASK_ALL_ENABLED) { |
| 411 | mask_size = 1; |
| 412 | } |
| 413 | proceed: |
| 414 | header.cmd_type = DIAG_CTRL_MSG_F3_MASK; |
| 415 | header.status = mask_info->status; |
| 416 | header.stream_id = 1; |
| 417 | header.msg_mode = 0; |
| 418 | header.ssid_first = mask->ssid_first; |
| 419 | header.ssid_last = mask->ssid_last_tools; |
| 420 | header.msg_mask_size = mask_size; |
| 421 | mask_size *= sizeof(uint32_t); |
| 422 | header.data_len = MSG_MASK_CTRL_HEADER_LEN + mask_size; |
| 423 | memcpy(buf, &header, header_len); |
| 424 | if (mask_size > 0) |
| 425 | memcpy(buf + header_len, mask->ptr, mask_size); |
| 426 | mutex_unlock(&mask->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 427 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 428 | |
| 429 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, |
| 430 | header_len + mask_size); |
| 431 | if (err && err != -ENODEV) |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 432 | pr_err_ratelimited("diag: Unable to send msg masks to peripheral %d, error = %d\n", |
| 433 | peripheral, err); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 434 | |
| 435 | if (first != ALL_SSID) |
| 436 | break; |
| 437 | } |
| 438 | err: |
| 439 | mutex_unlock(&mask_info->lock); |
| 440 | } |
| 441 | |
| 442 | static void diag_send_time_sync_update(uint8_t peripheral) |
| 443 | { |
| 444 | struct diag_ctrl_msg_time_sync time_sync_msg; |
| 445 | int msg_size = sizeof(struct diag_ctrl_msg_time_sync); |
| 446 | int err = 0; |
| 447 | |
| 448 | if (peripheral >= NUM_PERIPHERALS) { |
| 449 | pr_err("diag: In %s, Invalid peripheral, %d\n", |
| 450 | __func__, peripheral); |
| 451 | return; |
| 452 | } |
| 453 | |
| 454 | if (!driver->diagfwd_cntl[peripheral] || |
| 455 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 456 | pr_err("diag: In %s, control channel is not open, p: %d, %pK\n", |
| 457 | __func__, peripheral, driver->diagfwd_cntl[peripheral]); |
| 458 | return; |
| 459 | } |
| 460 | |
| 461 | mutex_lock(&driver->diag_cntl_mutex); |
| 462 | time_sync_msg.ctrl_pkt_id = DIAG_CTRL_MSG_TIME_SYNC_PKT; |
| 463 | time_sync_msg.ctrl_pkt_data_len = 5; |
| 464 | time_sync_msg.version = 1; |
| 465 | time_sync_msg.time_api = driver->uses_time_api; |
| 466 | |
| 467 | err = diagfwd_write(peripheral, TYPE_CNTL, &time_sync_msg, msg_size); |
| 468 | if (err) |
| 469 | pr_err("diag: In %s, unable to write to peripheral: %d, type: %d, len: %d, err: %d\n", |
| 470 | __func__, peripheral, TYPE_CNTL, |
| 471 | msg_size, err); |
| 472 | mutex_unlock(&driver->diag_cntl_mutex); |
| 473 | } |
| 474 | |
| 475 | static void diag_send_feature_mask_update(uint8_t peripheral) |
| 476 | { |
| 477 | void *buf = driver->buf_feature_mask_update; |
| 478 | int header_size = sizeof(struct diag_ctrl_feature_mask); |
| 479 | uint8_t feature_bytes[FEATURE_MASK_LEN] = {0, 0}; |
| 480 | struct diag_ctrl_feature_mask feature_mask; |
| 481 | int total_len = 0; |
| 482 | int err = 0; |
| 483 | |
| 484 | if (peripheral >= NUM_PERIPHERALS) { |
| 485 | pr_err("diag: In %s, Invalid peripheral, %d\n", |
| 486 | __func__, peripheral); |
| 487 | return; |
| 488 | } |
| 489 | |
| 490 | if (!driver->diagfwd_cntl[peripheral] || |
| 491 | !driver->diagfwd_cntl[peripheral]->ch_open) { |
| 492 | pr_err("diag: In %s, control channel is not open, p: %d, %pK\n", |
| 493 | __func__, peripheral, driver->diagfwd_cntl[peripheral]); |
| 494 | return; |
| 495 | } |
| 496 | |
| 497 | mutex_lock(&driver->diag_cntl_mutex); |
| 498 | /* send feature mask update */ |
| 499 | feature_mask.ctrl_pkt_id = DIAG_CTRL_MSG_FEATURE; |
| 500 | feature_mask.ctrl_pkt_data_len = sizeof(uint32_t) + FEATURE_MASK_LEN; |
| 501 | feature_mask.feature_mask_len = FEATURE_MASK_LEN; |
| 502 | memcpy(buf, &feature_mask, header_size); |
| 503 | DIAG_SET_FEATURE_MASK(F_DIAG_FEATURE_MASK_SUPPORT); |
| 504 | DIAG_SET_FEATURE_MASK(F_DIAG_LOG_ON_DEMAND_APPS); |
| 505 | DIAG_SET_FEATURE_MASK(F_DIAG_STM); |
| 506 | DIAG_SET_FEATURE_MASK(F_DIAG_DCI_EXTENDED_HEADER_SUPPORT); |
Sreelakshmi Gownipalli | 8d477d3 | 2017-02-08 19:49:06 -0800 | [diff] [blame] | 507 | DIAG_SET_FEATURE_MASK(F_DIAG_DIAGID_SUPPORT); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 508 | if (driver->supports_separate_cmdrsp) |
| 509 | DIAG_SET_FEATURE_MASK(F_DIAG_REQ_RSP_SUPPORT); |
| 510 | if (driver->supports_apps_hdlc_encoding) |
| 511 | DIAG_SET_FEATURE_MASK(F_DIAG_APPS_HDLC_ENCODE); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 512 | if (driver->supports_apps_header_untagging) { |
| 513 | if (peripheral == PERIPHERAL_MODEM) { |
| 514 | DIAG_SET_FEATURE_MASK(F_DIAG_PKT_HEADER_UNTAG); |
| 515 | driver->peripheral_untag[peripheral] = |
| 516 | ENABLE_PKT_HEADER_UNTAGGING; |
| 517 | } |
| 518 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 519 | DIAG_SET_FEATURE_MASK(F_DIAG_MASK_CENTRALIZATION); |
| 520 | if (driver->supports_sockets) |
| 521 | DIAG_SET_FEATURE_MASK(F_DIAG_SOCKETS_ENABLED); |
| 522 | |
| 523 | memcpy(buf + header_size, &feature_bytes, FEATURE_MASK_LEN); |
| 524 | total_len = header_size + FEATURE_MASK_LEN; |
| 525 | |
| 526 | err = diagfwd_write(peripheral, TYPE_CNTL, buf, total_len); |
| 527 | if (err) { |
| 528 | pr_err_ratelimited("diag: In %s, unable to write feature mask to peripheral: %d, type: %d, len: %d, err: %d\n", |
| 529 | __func__, peripheral, TYPE_CNTL, |
| 530 | total_len, err); |
| 531 | mutex_unlock(&driver->diag_cntl_mutex); |
| 532 | return; |
| 533 | } |
| 534 | driver->feature[peripheral].sent_feature_mask = 1; |
| 535 | mutex_unlock(&driver->diag_cntl_mutex); |
| 536 | } |
| 537 | |
| 538 | static int diag_cmd_get_ssid_range(unsigned char *src_buf, int src_len, |
| 539 | unsigned char *dest_buf, int dest_len, |
| 540 | struct diag_md_session_t *info) |
| 541 | { |
| 542 | int i; |
| 543 | int write_len = 0; |
| 544 | struct diag_msg_mask_t *mask_ptr = NULL; |
| 545 | struct diag_msg_ssid_query_t rsp; |
| 546 | struct diag_ssid_range_t ssid_range; |
| 547 | struct diag_mask_info *mask_info = NULL; |
| 548 | |
| 549 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 550 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 551 | !mask_info) { |
| 552 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 553 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 554 | mask_info); |
| 555 | return -EINVAL; |
| 556 | } |
| 557 | |
| 558 | if (!diag_apps_responds()) |
| 559 | return 0; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 560 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 561 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 562 | rsp.sub_cmd = DIAG_CMD_OP_GET_SSID_RANGE; |
| 563 | rsp.status = MSG_STATUS_SUCCESS; |
| 564 | rsp.padding = 0; |
| 565 | rsp.count = driver->msg_mask_tbl_count; |
| 566 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 567 | write_len += sizeof(rsp); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 568 | mask_ptr = (struct diag_msg_mask_t *)mask_info->ptr; |
| 569 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask_ptr++) { |
| 570 | if (write_len + sizeof(ssid_range) > dest_len) { |
| 571 | pr_err("diag: In %s, Truncating response due to size limitations of rsp buffer\n", |
| 572 | __func__); |
| 573 | break; |
| 574 | } |
| 575 | ssid_range.ssid_first = mask_ptr->ssid_first; |
| 576 | ssid_range.ssid_last = mask_ptr->ssid_last_tools; |
| 577 | memcpy(dest_buf + write_len, &ssid_range, sizeof(ssid_range)); |
| 578 | write_len += sizeof(ssid_range); |
| 579 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 580 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 581 | return write_len; |
| 582 | } |
| 583 | |
| 584 | static int diag_cmd_get_build_mask(unsigned char *src_buf, int src_len, |
| 585 | unsigned char *dest_buf, int dest_len, |
| 586 | struct diag_md_session_t *info) |
| 587 | { |
| 588 | int i = 0; |
| 589 | int write_len = 0; |
| 590 | int num_entries = 0; |
| 591 | int copy_len = 0; |
| 592 | struct diag_msg_mask_t *build_mask = NULL; |
| 593 | struct diag_build_mask_req_t *req = NULL; |
| 594 | struct diag_msg_build_mask_t rsp; |
| 595 | |
| 596 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) { |
| 597 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n", |
| 598 | __func__, src_buf, src_len, dest_buf, dest_len); |
| 599 | return -EINVAL; |
| 600 | } |
| 601 | |
| 602 | if (!diag_apps_responds()) |
| 603 | return 0; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 604 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 605 | req = (struct diag_build_mask_req_t *)src_buf; |
| 606 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 607 | rsp.sub_cmd = DIAG_CMD_OP_GET_BUILD_MASK; |
| 608 | rsp.ssid_first = req->ssid_first; |
| 609 | rsp.ssid_last = req->ssid_last; |
| 610 | rsp.status = MSG_STATUS_FAIL; |
| 611 | rsp.padding = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 612 | build_mask = (struct diag_msg_mask_t *)msg_bt_mask.ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 613 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, build_mask++) { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 614 | if (build_mask->ssid_first != req->ssid_first) |
| 615 | continue; |
| 616 | num_entries = req->ssid_last - req->ssid_first + 1; |
| 617 | if (num_entries > build_mask->range) { |
| 618 | pr_warn("diag: In %s, truncating ssid range for ssid_first: %d ssid_last %d\n", |
| 619 | __func__, req->ssid_first, req->ssid_last); |
| 620 | num_entries = build_mask->range; |
| 621 | req->ssid_last = req->ssid_first + build_mask->range; |
| 622 | } |
| 623 | copy_len = num_entries * sizeof(uint32_t); |
| 624 | if (copy_len + sizeof(rsp) > dest_len) |
| 625 | copy_len = dest_len - sizeof(rsp); |
| 626 | memcpy(dest_buf + sizeof(rsp), build_mask->ptr, copy_len); |
| 627 | write_len += copy_len; |
| 628 | rsp.ssid_last = build_mask->ssid_last; |
| 629 | rsp.status = MSG_STATUS_SUCCESS; |
| 630 | break; |
| 631 | } |
| 632 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 633 | write_len += sizeof(rsp); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 634 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 635 | return write_len; |
| 636 | } |
| 637 | |
| 638 | static int diag_cmd_get_msg_mask(unsigned char *src_buf, int src_len, |
| 639 | unsigned char *dest_buf, int dest_len, |
| 640 | struct diag_md_session_t *info) |
| 641 | { |
| 642 | int i; |
| 643 | int write_len = 0; |
| 644 | uint32_t mask_size = 0; |
| 645 | struct diag_msg_mask_t *mask = NULL; |
| 646 | struct diag_build_mask_req_t *req = NULL; |
| 647 | struct diag_msg_build_mask_t rsp; |
| 648 | struct diag_mask_info *mask_info = NULL; |
| 649 | |
| 650 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 651 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 652 | !mask_info) { |
| 653 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 654 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 655 | mask_info); |
| 656 | return -EINVAL; |
| 657 | } |
| 658 | |
| 659 | if (!diag_apps_responds()) |
| 660 | return 0; |
| 661 | |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 662 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 663 | req = (struct diag_build_mask_req_t *)src_buf; |
| 664 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 665 | rsp.sub_cmd = DIAG_CMD_OP_GET_MSG_MASK; |
| 666 | rsp.ssid_first = req->ssid_first; |
| 667 | rsp.ssid_last = req->ssid_last; |
| 668 | rsp.status = MSG_STATUS_FAIL; |
| 669 | rsp.padding = 0; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 670 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
| 671 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 672 | if ((req->ssid_first < mask->ssid_first) || |
| 673 | (req->ssid_first > mask->ssid_last_tools)) { |
| 674 | continue; |
| 675 | } |
| 676 | mask_size = mask->range * sizeof(uint32_t); |
| 677 | /* Copy msg mask only till the end of the rsp buffer */ |
| 678 | if (mask_size + sizeof(rsp) > dest_len) |
| 679 | mask_size = dest_len - sizeof(rsp); |
| 680 | memcpy(dest_buf + sizeof(rsp), mask->ptr, mask_size); |
| 681 | write_len += mask_size; |
| 682 | rsp.status = MSG_STATUS_SUCCESS; |
| 683 | break; |
| 684 | } |
| 685 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 686 | write_len += sizeof(rsp); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 687 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 688 | return write_len; |
| 689 | } |
| 690 | |
| 691 | static int diag_cmd_set_msg_mask(unsigned char *src_buf, int src_len, |
| 692 | unsigned char *dest_buf, int dest_len, |
| 693 | struct diag_md_session_t *info) |
| 694 | { |
| 695 | int i; |
| 696 | int write_len = 0; |
| 697 | int header_len = sizeof(struct diag_msg_build_mask_t); |
| 698 | int found = 0; |
| 699 | uint32_t mask_size = 0; |
| 700 | uint32_t offset = 0; |
| 701 | struct diag_msg_mask_t *mask = NULL; |
| 702 | struct diag_msg_build_mask_t *req = NULL; |
| 703 | struct diag_msg_build_mask_t rsp; |
| 704 | struct diag_mask_info *mask_info = NULL; |
| 705 | struct diag_msg_mask_t *mask_next = NULL; |
| 706 | uint32_t *temp = NULL; |
| 707 | |
| 708 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 709 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 710 | !mask_info) { |
| 711 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 712 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 713 | mask_info); |
| 714 | return -EINVAL; |
| 715 | } |
| 716 | |
| 717 | req = (struct diag_msg_build_mask_t *)src_buf; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 718 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 719 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 720 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
| 721 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 722 | if (i < (driver->msg_mask_tbl_count - 1)) { |
| 723 | mask_next = mask; |
| 724 | mask_next++; |
| 725 | } else |
| 726 | mask_next = NULL; |
| 727 | |
| 728 | if ((req->ssid_first < mask->ssid_first) || |
| 729 | (req->ssid_first > mask->ssid_first + MAX_SSID_PER_RANGE) || |
| 730 | (mask_next && (req->ssid_first >= mask_next->ssid_first))) { |
| 731 | continue; |
| 732 | } |
| 733 | mask_next = NULL; |
| 734 | found = 1; |
| 735 | mutex_lock(&mask->lock); |
| 736 | mask_size = req->ssid_last - req->ssid_first + 1; |
| 737 | if (mask_size > MAX_SSID_PER_RANGE) { |
| 738 | pr_warn("diag: In %s, truncating ssid range, %d-%d to max allowed: %d\n", |
| 739 | __func__, mask->ssid_first, mask->ssid_last, |
| 740 | MAX_SSID_PER_RANGE); |
| 741 | mask_size = MAX_SSID_PER_RANGE; |
| 742 | mask->range_tools = MAX_SSID_PER_RANGE; |
| 743 | mask->ssid_last_tools = |
| 744 | mask->ssid_first + mask->range_tools; |
| 745 | } |
| 746 | if (req->ssid_last > mask->ssid_last_tools) { |
| 747 | pr_debug("diag: Msg SSID range mismatch\n"); |
| 748 | if (mask_size != MAX_SSID_PER_RANGE) |
| 749 | mask->ssid_last_tools = req->ssid_last; |
| 750 | mask->range_tools = |
| 751 | mask->ssid_last_tools - mask->ssid_first + 1; |
| 752 | temp = krealloc(mask->ptr, |
| 753 | mask->range_tools * sizeof(uint32_t), |
| 754 | GFP_KERNEL); |
| 755 | if (!temp) { |
| 756 | pr_err_ratelimited("diag: In %s, unable to allocate memory for msg mask ptr, mask_size: %d\n", |
| 757 | __func__, mask_size); |
| 758 | mutex_unlock(&mask->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 759 | mutex_unlock(&driver->msg_mask_lock); |
| 760 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 761 | return -ENOMEM; |
| 762 | } |
| 763 | mask->ptr = temp; |
| 764 | } |
| 765 | |
| 766 | offset = req->ssid_first - mask->ssid_first; |
| 767 | if (offset + mask_size > mask->range_tools) { |
| 768 | pr_err("diag: In %s, Not in msg mask range, mask_size: %d, offset: %d\n", |
| 769 | __func__, mask_size, offset); |
| 770 | mutex_unlock(&mask->lock); |
| 771 | break; |
| 772 | } |
| 773 | mask_size = mask_size * sizeof(uint32_t); |
| 774 | memcpy(mask->ptr + offset, src_buf + header_len, mask_size); |
| 775 | mutex_unlock(&mask->lock); |
| 776 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 777 | break; |
| 778 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 779 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 780 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 781 | if (diag_check_update(APPS_DATA)) |
| 782 | diag_update_userspace_clients(MSG_MASKS_TYPE); |
| 783 | |
| 784 | /* |
| 785 | * Apps processor must send the response to this command. Frame the |
| 786 | * response. |
| 787 | */ |
| 788 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 789 | rsp.sub_cmd = DIAG_CMD_OP_SET_MSG_MASK; |
| 790 | rsp.ssid_first = req->ssid_first; |
| 791 | rsp.ssid_last = req->ssid_last; |
| 792 | rsp.status = found; |
| 793 | rsp.padding = 0; |
| 794 | memcpy(dest_buf, &rsp, header_len); |
| 795 | write_len += header_len; |
| 796 | if (!found) |
| 797 | goto end; |
| 798 | if (mask_size + write_len > dest_len) |
| 799 | mask_size = dest_len - write_len; |
| 800 | memcpy(dest_buf + write_len, src_buf + header_len, mask_size); |
| 801 | write_len += mask_size; |
| 802 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 803 | if (!diag_check_update(i)) |
| 804 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 805 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 806 | diag_send_msg_mask_update(i, req->ssid_first, req->ssid_last); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 807 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 808 | } |
| 809 | end: |
| 810 | return write_len; |
| 811 | } |
| 812 | |
| 813 | static int diag_cmd_set_all_msg_mask(unsigned char *src_buf, int src_len, |
| 814 | unsigned char *dest_buf, int dest_len, |
| 815 | struct diag_md_session_t *info) |
| 816 | { |
| 817 | int i; |
| 818 | int write_len = 0; |
| 819 | int header_len = sizeof(struct diag_msg_config_rsp_t); |
| 820 | struct diag_msg_config_rsp_t rsp; |
| 821 | struct diag_msg_config_rsp_t *req = NULL; |
| 822 | struct diag_msg_mask_t *mask = NULL; |
| 823 | struct diag_mask_info *mask_info = NULL; |
| 824 | |
| 825 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 826 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 827 | !mask_info) { |
| 828 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 829 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 830 | mask_info); |
| 831 | return -EINVAL; |
| 832 | } |
| 833 | |
| 834 | req = (struct diag_msg_config_rsp_t *)src_buf; |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 835 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 836 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 837 | mutex_lock(&driver->msg_mask_lock); |
| 838 | |
| 839 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 840 | mask_info->status = (req->rt_mask) ? DIAG_CTRL_MASK_ALL_ENABLED : |
| 841 | DIAG_CTRL_MASK_ALL_DISABLED; |
| 842 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 843 | mutex_lock(&mask->lock); |
| 844 | memset(mask->ptr, req->rt_mask, |
| 845 | mask->range * sizeof(uint32_t)); |
| 846 | mutex_unlock(&mask->lock); |
| 847 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 848 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 849 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 850 | |
| 851 | if (diag_check_update(APPS_DATA)) |
| 852 | diag_update_userspace_clients(MSG_MASKS_TYPE); |
| 853 | |
| 854 | /* |
| 855 | * Apps processor must send the response to this command. Frame the |
| 856 | * response. |
| 857 | */ |
| 858 | rsp.cmd_code = DIAG_CMD_MSG_CONFIG; |
| 859 | rsp.sub_cmd = DIAG_CMD_OP_SET_ALL_MSG_MASK; |
| 860 | rsp.status = MSG_STATUS_SUCCESS; |
| 861 | rsp.padding = 0; |
| 862 | rsp.rt_mask = req->rt_mask; |
| 863 | memcpy(dest_buf, &rsp, header_len); |
| 864 | write_len += header_len; |
| 865 | |
| 866 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 867 | if (!diag_check_update(i)) |
| 868 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 869 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 870 | diag_send_msg_mask_update(i, ALL_SSID, ALL_SSID); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 871 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | return write_len; |
| 875 | } |
| 876 | |
| 877 | static int diag_cmd_get_event_mask(unsigned char *src_buf, int src_len, |
| 878 | unsigned char *dest_buf, int dest_len, |
| 879 | struct diag_md_session_t *info) |
| 880 | { |
| 881 | int write_len = 0; |
| 882 | uint32_t mask_size; |
| 883 | struct diag_event_mask_config_t rsp; |
| 884 | |
| 885 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) { |
| 886 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n", |
| 887 | __func__, src_buf, src_len, dest_buf, dest_len); |
| 888 | return -EINVAL; |
| 889 | } |
| 890 | |
| 891 | if (!diag_apps_responds()) |
| 892 | return 0; |
| 893 | |
| 894 | mask_size = EVENT_COUNT_TO_BYTES(driver->last_event_id); |
| 895 | if (mask_size + sizeof(rsp) > dest_len) { |
| 896 | pr_err("diag: In %s, invalid mask size: %d\n", __func__, |
| 897 | mask_size); |
| 898 | return -ENOMEM; |
| 899 | } |
| 900 | |
| 901 | rsp.cmd_code = DIAG_CMD_GET_EVENT_MASK; |
| 902 | rsp.status = EVENT_STATUS_SUCCESS; |
| 903 | rsp.padding = 0; |
| 904 | rsp.num_bits = driver->last_event_id + 1; |
| 905 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 906 | write_len += sizeof(rsp); |
| 907 | memcpy(dest_buf + write_len, event_mask.ptr, mask_size); |
| 908 | write_len += mask_size; |
| 909 | |
| 910 | return write_len; |
| 911 | } |
| 912 | |
| 913 | static int diag_cmd_update_event_mask(unsigned char *src_buf, int src_len, |
| 914 | unsigned char *dest_buf, int dest_len, |
| 915 | struct diag_md_session_t *info) |
| 916 | { |
| 917 | int i; |
| 918 | int write_len = 0; |
| 919 | int mask_len = 0; |
| 920 | int header_len = sizeof(struct diag_event_mask_config_t); |
| 921 | struct diag_event_mask_config_t rsp; |
| 922 | struct diag_event_mask_config_t *req; |
| 923 | struct diag_mask_info *mask_info = NULL; |
| 924 | |
| 925 | mask_info = (!info) ? &event_mask : info->event_mask; |
| 926 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 927 | !mask_info) { |
| 928 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 929 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 930 | mask_info); |
| 931 | return -EINVAL; |
| 932 | } |
| 933 | |
| 934 | req = (struct diag_event_mask_config_t *)src_buf; |
| 935 | mask_len = EVENT_COUNT_TO_BYTES(req->num_bits); |
| 936 | if (mask_len <= 0 || mask_len > event_mask.mask_len) { |
| 937 | pr_err("diag: In %s, invalid event mask len: %d\n", __func__, |
| 938 | mask_len); |
| 939 | return -EIO; |
| 940 | } |
| 941 | |
| 942 | mutex_lock(&mask_info->lock); |
| 943 | memcpy(mask_info->ptr, src_buf + header_len, mask_len); |
| 944 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 945 | mutex_unlock(&mask_info->lock); |
| 946 | if (diag_check_update(APPS_DATA)) |
| 947 | diag_update_userspace_clients(EVENT_MASKS_TYPE); |
| 948 | |
| 949 | /* |
| 950 | * Apps processor must send the response to this command. Frame the |
| 951 | * response. |
| 952 | */ |
| 953 | rsp.cmd_code = DIAG_CMD_SET_EVENT_MASK; |
| 954 | rsp.status = EVENT_STATUS_SUCCESS; |
| 955 | rsp.padding = 0; |
| 956 | rsp.num_bits = driver->last_event_id + 1; |
| 957 | memcpy(dest_buf, &rsp, header_len); |
| 958 | write_len += header_len; |
| 959 | memcpy(dest_buf + write_len, mask_info->ptr, mask_len); |
| 960 | write_len += mask_len; |
| 961 | |
| 962 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 963 | if (!diag_check_update(i)) |
| 964 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 965 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 966 | diag_send_event_mask_update(i); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 967 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 968 | } |
| 969 | |
| 970 | return write_len; |
| 971 | } |
| 972 | |
| 973 | static int diag_cmd_toggle_events(unsigned char *src_buf, int src_len, |
| 974 | unsigned char *dest_buf, int dest_len, |
| 975 | struct diag_md_session_t *info) |
| 976 | { |
| 977 | int i; |
| 978 | int write_len = 0; |
| 979 | uint8_t toggle = 0; |
| 980 | struct diag_event_report_t header; |
| 981 | struct diag_mask_info *mask_info = NULL; |
| 982 | |
| 983 | mask_info = (!info) ? &event_mask : info->event_mask; |
| 984 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 985 | !mask_info) { |
| 986 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 987 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 988 | mask_info); |
| 989 | return -EINVAL; |
| 990 | } |
| 991 | |
| 992 | toggle = *(src_buf + 1); |
| 993 | mutex_lock(&mask_info->lock); |
| 994 | if (toggle) { |
| 995 | mask_info->status = DIAG_CTRL_MASK_ALL_ENABLED; |
| 996 | memset(mask_info->ptr, 0xFF, mask_info->mask_len); |
| 997 | } else { |
| 998 | mask_info->status = DIAG_CTRL_MASK_ALL_DISABLED; |
| 999 | memset(mask_info->ptr, 0, mask_info->mask_len); |
| 1000 | } |
| 1001 | mutex_unlock(&mask_info->lock); |
| 1002 | if (diag_check_update(APPS_DATA)) |
| 1003 | diag_update_userspace_clients(EVENT_MASKS_TYPE); |
| 1004 | |
| 1005 | /* |
| 1006 | * Apps processor must send the response to this command. Frame the |
| 1007 | * response. |
| 1008 | */ |
| 1009 | header.cmd_code = DIAG_CMD_EVENT_TOGGLE; |
| 1010 | header.padding = 0; |
| 1011 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 1012 | if (!diag_check_update(i)) |
| 1013 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1014 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1015 | diag_send_event_mask_update(i); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1016 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1017 | } |
| 1018 | memcpy(dest_buf, &header, sizeof(header)); |
| 1019 | write_len += sizeof(header); |
| 1020 | |
| 1021 | return write_len; |
| 1022 | } |
| 1023 | |
| 1024 | static int diag_cmd_get_log_mask(unsigned char *src_buf, int src_len, |
| 1025 | unsigned char *dest_buf, int dest_len, |
| 1026 | struct diag_md_session_t *info) |
| 1027 | { |
| 1028 | int i; |
| 1029 | int status = LOG_STATUS_INVALID; |
| 1030 | int write_len = 0; |
| 1031 | int read_len = 0; |
| 1032 | int req_header_len = sizeof(struct diag_log_config_req_t); |
| 1033 | int rsp_header_len = sizeof(struct diag_log_config_rsp_t); |
| 1034 | uint32_t mask_size = 0; |
| 1035 | struct diag_log_mask_t *log_item = NULL; |
| 1036 | struct diag_log_config_req_t *req; |
| 1037 | struct diag_log_config_rsp_t rsp; |
| 1038 | struct diag_mask_info *mask_info = NULL; |
| 1039 | |
| 1040 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1041 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1042 | !mask_info) { |
| 1043 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1044 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1045 | mask_info); |
| 1046 | return -EINVAL; |
| 1047 | } |
| 1048 | |
| 1049 | if (!diag_apps_responds()) |
| 1050 | return 0; |
| 1051 | |
| 1052 | req = (struct diag_log_config_req_t *)src_buf; |
| 1053 | read_len += req_header_len; |
| 1054 | |
| 1055 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1056 | rsp.padding[0] = 0; |
| 1057 | rsp.padding[1] = 0; |
| 1058 | rsp.padding[2] = 0; |
| 1059 | rsp.sub_cmd = DIAG_CMD_OP_GET_LOG_MASK; |
| 1060 | /* |
| 1061 | * Don't copy the response header now. Copy at the end after |
| 1062 | * calculating the status field value |
| 1063 | */ |
| 1064 | write_len += rsp_header_len; |
| 1065 | |
| 1066 | log_item = (struct diag_log_mask_t *)mask_info->ptr; |
| 1067 | for (i = 0; i < MAX_EQUIP_ID; i++, log_item++) { |
| 1068 | if (log_item->equip_id != req->equip_id) |
| 1069 | continue; |
| 1070 | mutex_lock(&log_item->lock); |
| 1071 | mask_size = LOG_ITEMS_TO_SIZE(log_item->num_items_tools); |
| 1072 | /* |
| 1073 | * Make sure we have space to fill the response in the buffer. |
| 1074 | * Destination buffer should atleast be able to hold equip_id |
| 1075 | * (uint32_t), num_items(uint32_t), mask (mask_size) and the |
| 1076 | * response header. |
| 1077 | */ |
| 1078 | if ((mask_size + (2 * sizeof(uint32_t)) + rsp_header_len) > |
| 1079 | dest_len) { |
| 1080 | pr_err("diag: In %s, invalid length: %d, max rsp_len: %d\n", |
| 1081 | __func__, mask_size, dest_len); |
| 1082 | status = LOG_STATUS_FAIL; |
| 1083 | mutex_unlock(&log_item->lock); |
| 1084 | break; |
| 1085 | } |
| 1086 | *(uint32_t *)(dest_buf + write_len) = log_item->equip_id; |
| 1087 | write_len += sizeof(uint32_t); |
| 1088 | *(uint32_t *)(dest_buf + write_len) = log_item->num_items_tools; |
| 1089 | write_len += sizeof(uint32_t); |
| 1090 | if (mask_size > 0) { |
| 1091 | memcpy(dest_buf + write_len, log_item->ptr, mask_size); |
| 1092 | write_len += mask_size; |
| 1093 | } |
| 1094 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1095 | "sending log e %d num_items %d size %d\n", |
| 1096 | log_item->equip_id, log_item->num_items_tools, |
| 1097 | log_item->range_tools); |
| 1098 | mutex_unlock(&log_item->lock); |
| 1099 | status = LOG_STATUS_SUCCESS; |
| 1100 | break; |
| 1101 | } |
| 1102 | |
| 1103 | rsp.status = status; |
| 1104 | memcpy(dest_buf, &rsp, rsp_header_len); |
| 1105 | |
| 1106 | return write_len; |
| 1107 | } |
| 1108 | |
| 1109 | static int diag_cmd_get_log_range(unsigned char *src_buf, int src_len, |
| 1110 | unsigned char *dest_buf, int dest_len, |
| 1111 | struct diag_md_session_t *info) |
| 1112 | { |
| 1113 | int i; |
| 1114 | int write_len = 0; |
| 1115 | struct diag_log_config_rsp_t rsp; |
| 1116 | struct diag_mask_info *mask_info = NULL; |
| 1117 | struct diag_log_mask_t *mask = (struct diag_log_mask_t *)log_mask.ptr; |
| 1118 | |
| 1119 | if (!diag_apps_responds()) |
| 1120 | return 0; |
| 1121 | |
| 1122 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1123 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1124 | !mask_info) { |
| 1125 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1126 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1127 | mask_info); |
| 1128 | return -EINVAL; |
| 1129 | } |
| 1130 | |
| 1131 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1132 | rsp.padding[0] = 0; |
| 1133 | rsp.padding[1] = 0; |
| 1134 | rsp.padding[2] = 0; |
| 1135 | rsp.sub_cmd = DIAG_CMD_OP_GET_LOG_RANGE; |
| 1136 | rsp.status = LOG_STATUS_SUCCESS; |
| 1137 | memcpy(dest_buf, &rsp, sizeof(rsp)); |
| 1138 | write_len += sizeof(rsp); |
| 1139 | |
| 1140 | for (i = 0; i < MAX_EQUIP_ID && write_len < dest_len; i++, mask++) { |
| 1141 | *(uint32_t *)(dest_buf + write_len) = mask->num_items_tools; |
| 1142 | write_len += sizeof(uint32_t); |
| 1143 | } |
| 1144 | |
| 1145 | return write_len; |
| 1146 | } |
| 1147 | |
| 1148 | static int diag_cmd_set_log_mask(unsigned char *src_buf, int src_len, |
| 1149 | unsigned char *dest_buf, int dest_len, |
| 1150 | struct diag_md_session_t *info) |
| 1151 | { |
| 1152 | int i; |
| 1153 | int write_len = 0; |
| 1154 | int status = LOG_STATUS_SUCCESS; |
| 1155 | int read_len = 0; |
| 1156 | int payload_len = 0; |
| 1157 | int req_header_len = sizeof(struct diag_log_config_req_t); |
| 1158 | int rsp_header_len = sizeof(struct diag_log_config_set_rsp_t); |
| 1159 | uint32_t mask_size = 0; |
| 1160 | struct diag_log_config_req_t *req; |
| 1161 | struct diag_log_config_set_rsp_t rsp; |
| 1162 | struct diag_log_mask_t *mask = NULL; |
| 1163 | unsigned char *temp_buf = NULL; |
| 1164 | struct diag_mask_info *mask_info = NULL; |
| 1165 | |
| 1166 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1167 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1168 | !mask_info) { |
| 1169 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1170 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1171 | mask_info); |
| 1172 | return -EINVAL; |
| 1173 | } |
| 1174 | |
| 1175 | req = (struct diag_log_config_req_t *)src_buf; |
| 1176 | read_len += req_header_len; |
| 1177 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
| 1178 | |
| 1179 | if (req->equip_id >= MAX_EQUIP_ID) { |
| 1180 | pr_err("diag: In %s, Invalid logging mask request, equip_id: %d\n", |
| 1181 | __func__, req->equip_id); |
| 1182 | status = LOG_STATUS_INVALID; |
| 1183 | } |
| 1184 | |
| 1185 | if (req->num_items == 0) { |
| 1186 | pr_err("diag: In %s, Invalid number of items in log mask request, equip_id: %d\n", |
| 1187 | __func__, req->equip_id); |
| 1188 | status = LOG_STATUS_INVALID; |
| 1189 | } |
| 1190 | |
| 1191 | mutex_lock(&mask_info->lock); |
| 1192 | for (i = 0; i < MAX_EQUIP_ID && !status; i++, mask++) { |
| 1193 | if (mask->equip_id != req->equip_id) |
| 1194 | continue; |
| 1195 | mutex_lock(&mask->lock); |
| 1196 | |
| 1197 | DIAG_LOG(DIAG_DEBUG_MASKS, "e: %d current: %d %d new: %d %d", |
| 1198 | mask->equip_id, mask->num_items_tools, |
| 1199 | mask->range_tools, req->num_items, |
| 1200 | LOG_ITEMS_TO_SIZE(req->num_items)); |
| 1201 | /* |
| 1202 | * If the size of the log mask cannot fit into our |
| 1203 | * buffer, trim till we have space left in the buffer. |
| 1204 | * num_items should then reflect the items that we have |
| 1205 | * in our buffer. |
| 1206 | */ |
| 1207 | mask->num_items_tools = (req->num_items > MAX_ITEMS_ALLOWED) ? |
| 1208 | MAX_ITEMS_ALLOWED : req->num_items; |
| 1209 | mask_size = LOG_ITEMS_TO_SIZE(mask->num_items_tools); |
| 1210 | memset(mask->ptr, 0, mask->range_tools); |
| 1211 | if (mask_size > mask->range_tools) { |
| 1212 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1213 | "log range mismatch, e: %d old: %d new: %d\n", |
| 1214 | req->equip_id, mask->range_tools, |
| 1215 | LOG_ITEMS_TO_SIZE(mask->num_items_tools)); |
| 1216 | /* Change in the mask reported by tools */ |
| 1217 | temp_buf = krealloc(mask->ptr, mask_size, GFP_KERNEL); |
| 1218 | if (!temp_buf) { |
| 1219 | mask_info->status = DIAG_CTRL_MASK_INVALID; |
| 1220 | mutex_unlock(&mask->lock); |
| 1221 | break; |
| 1222 | } |
| 1223 | mask->ptr = temp_buf; |
| 1224 | memset(mask->ptr, 0, mask_size); |
| 1225 | mask->range_tools = mask_size; |
| 1226 | } |
| 1227 | req->num_items = mask->num_items_tools; |
| 1228 | if (mask_size > 0) |
| 1229 | memcpy(mask->ptr, src_buf + read_len, mask_size); |
| 1230 | DIAG_LOG(DIAG_DEBUG_MASKS, |
| 1231 | "copying log mask, e %d num %d range %d size %d\n", |
| 1232 | req->equip_id, mask->num_items_tools, |
| 1233 | mask->range_tools, mask_size); |
| 1234 | mutex_unlock(&mask->lock); |
| 1235 | mask_info->status = DIAG_CTRL_MASK_VALID; |
| 1236 | break; |
| 1237 | } |
| 1238 | mutex_unlock(&mask_info->lock); |
| 1239 | if (diag_check_update(APPS_DATA)) |
| 1240 | diag_update_userspace_clients(LOG_MASKS_TYPE); |
| 1241 | |
| 1242 | /* |
| 1243 | * Apps processor must send the response to this command. Frame the |
| 1244 | * response. |
| 1245 | */ |
| 1246 | payload_len = LOG_ITEMS_TO_SIZE(req->num_items); |
| 1247 | if ((payload_len + rsp_header_len > dest_len) || (payload_len == 0)) { |
| 1248 | pr_err("diag: In %s, invalid length, payload_len: %d, header_len: %d, dest_len: %d\n", |
| 1249 | __func__, payload_len, rsp_header_len, dest_len); |
| 1250 | status = LOG_STATUS_FAIL; |
| 1251 | } |
| 1252 | rsp.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1253 | rsp.padding[0] = 0; |
| 1254 | rsp.padding[1] = 0; |
| 1255 | rsp.padding[2] = 0; |
| 1256 | rsp.sub_cmd = DIAG_CMD_OP_SET_LOG_MASK; |
| 1257 | rsp.status = status; |
| 1258 | rsp.equip_id = req->equip_id; |
| 1259 | rsp.num_items = req->num_items; |
| 1260 | memcpy(dest_buf, &rsp, rsp_header_len); |
| 1261 | write_len += rsp_header_len; |
| 1262 | if (status != LOG_STATUS_SUCCESS) |
| 1263 | goto end; |
| 1264 | memcpy(dest_buf + write_len, src_buf + read_len, payload_len); |
| 1265 | write_len += payload_len; |
| 1266 | |
| 1267 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 1268 | if (!diag_check_update(i)) |
| 1269 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1270 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1271 | diag_send_log_mask_update(i, req->equip_id); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1272 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1273 | } |
| 1274 | end: |
| 1275 | return write_len; |
| 1276 | } |
| 1277 | |
| 1278 | static int diag_cmd_disable_log_mask(unsigned char *src_buf, int src_len, |
| 1279 | unsigned char *dest_buf, int dest_len, |
| 1280 | struct diag_md_session_t *info) |
| 1281 | { |
| 1282 | struct diag_mask_info *mask_info = NULL; |
| 1283 | struct diag_log_mask_t *mask = NULL; |
| 1284 | struct diag_log_config_rsp_t header; |
| 1285 | int write_len = 0; |
| 1286 | int i; |
| 1287 | |
| 1288 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1289 | if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 || |
| 1290 | !mask_info) { |
| 1291 | pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d, mask_info: %pK\n", |
| 1292 | __func__, src_buf, src_len, dest_buf, dest_len, |
| 1293 | mask_info); |
| 1294 | return -EINVAL; |
| 1295 | } |
| 1296 | |
| 1297 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
| 1298 | |
| 1299 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1300 | mutex_lock(&mask->lock); |
| 1301 | memset(mask->ptr, 0, mask->range); |
| 1302 | mutex_unlock(&mask->lock); |
| 1303 | } |
| 1304 | mask_info->status = DIAG_CTRL_MASK_ALL_DISABLED; |
| 1305 | if (diag_check_update(APPS_DATA)) |
| 1306 | diag_update_userspace_clients(LOG_MASKS_TYPE); |
| 1307 | |
| 1308 | /* |
| 1309 | * Apps processor must send the response to this command. Frame the |
| 1310 | * response. |
| 1311 | */ |
| 1312 | header.cmd_code = DIAG_CMD_LOG_CONFIG; |
| 1313 | header.padding[0] = 0; |
| 1314 | header.padding[1] = 0; |
| 1315 | header.padding[2] = 0; |
| 1316 | header.sub_cmd = DIAG_CMD_OP_LOG_DISABLE; |
| 1317 | header.status = LOG_STATUS_SUCCESS; |
| 1318 | memcpy(dest_buf, &header, sizeof(struct diag_log_config_rsp_t)); |
| 1319 | write_len += sizeof(struct diag_log_config_rsp_t); |
| 1320 | for (i = 0; i < NUM_PERIPHERALS; i++) { |
| 1321 | if (!diag_check_update(i)) |
| 1322 | continue; |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1323 | mutex_lock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1324 | diag_send_log_mask_update(i, ALL_EQUIP_ID); |
Mohit Aggarwal | b47931f | 2017-07-05 15:54:28 +0530 | [diff] [blame] | 1325 | mutex_unlock(&driver->md_session_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1326 | } |
| 1327 | |
| 1328 | return write_len; |
| 1329 | } |
| 1330 | |
| 1331 | int diag_create_msg_mask_table_entry(struct diag_msg_mask_t *msg_mask, |
| 1332 | struct diag_ssid_range_t *range) |
| 1333 | { |
| 1334 | if (!msg_mask || !range) |
| 1335 | return -EIO; |
| 1336 | if (range->ssid_last < range->ssid_first) |
| 1337 | return -EINVAL; |
| 1338 | msg_mask->ssid_first = range->ssid_first; |
| 1339 | msg_mask->ssid_last = range->ssid_last; |
| 1340 | msg_mask->ssid_last_tools = range->ssid_last; |
| 1341 | msg_mask->range = msg_mask->ssid_last - msg_mask->ssid_first + 1; |
| 1342 | if (msg_mask->range < MAX_SSID_PER_RANGE) |
| 1343 | msg_mask->range = MAX_SSID_PER_RANGE; |
| 1344 | msg_mask->range_tools = msg_mask->range; |
| 1345 | mutex_init(&msg_mask->lock); |
| 1346 | if (msg_mask->range > 0) { |
| 1347 | msg_mask->ptr = kcalloc(msg_mask->range, sizeof(uint32_t), |
| 1348 | GFP_KERNEL); |
| 1349 | if (!msg_mask->ptr) |
| 1350 | return -ENOMEM; |
| 1351 | kmemleak_not_leak(msg_mask->ptr); |
| 1352 | } |
| 1353 | return 0; |
| 1354 | } |
| 1355 | |
| 1356 | static int diag_create_msg_mask_table(void) |
| 1357 | { |
| 1358 | int i; |
| 1359 | int err = 0; |
| 1360 | struct diag_msg_mask_t *mask = (struct diag_msg_mask_t *)msg_mask.ptr; |
| 1361 | struct diag_ssid_range_t range; |
| 1362 | |
| 1363 | mutex_lock(&msg_mask.lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1364 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1365 | driver->msg_mask_tbl_count = MSG_MASK_TBL_CNT; |
| 1366 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 1367 | range.ssid_first = msg_mask_tbl[i].ssid_first; |
| 1368 | range.ssid_last = msg_mask_tbl[i].ssid_last; |
| 1369 | err = diag_create_msg_mask_table_entry(mask, &range); |
| 1370 | if (err) |
| 1371 | break; |
| 1372 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1373 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1374 | mutex_unlock(&msg_mask.lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1375 | return err; |
| 1376 | } |
| 1377 | |
| 1378 | static int diag_create_build_time_mask(void) |
| 1379 | { |
| 1380 | int i; |
| 1381 | int err = 0; |
| 1382 | const uint32_t *tbl = NULL; |
| 1383 | uint32_t tbl_size = 0; |
| 1384 | struct diag_msg_mask_t *build_mask = NULL; |
| 1385 | struct diag_ssid_range_t range; |
| 1386 | |
| 1387 | mutex_lock(&msg_bt_mask.lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1388 | mutex_lock(&driver->msg_mask_lock); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1389 | driver->bt_msg_mask_tbl_count = MSG_MASK_TBL_CNT; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1390 | build_mask = (struct diag_msg_mask_t *)msg_bt_mask.ptr; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1391 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, build_mask++) { |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1392 | range.ssid_first = msg_mask_tbl[i].ssid_first; |
| 1393 | range.ssid_last = msg_mask_tbl[i].ssid_last; |
| 1394 | err = diag_create_msg_mask_table_entry(build_mask, &range); |
| 1395 | if (err) |
| 1396 | break; |
| 1397 | switch (build_mask->ssid_first) { |
| 1398 | case MSG_SSID_0: |
| 1399 | tbl = msg_bld_masks_0; |
| 1400 | tbl_size = sizeof(msg_bld_masks_0); |
| 1401 | break; |
| 1402 | case MSG_SSID_1: |
| 1403 | tbl = msg_bld_masks_1; |
| 1404 | tbl_size = sizeof(msg_bld_masks_1); |
| 1405 | break; |
| 1406 | case MSG_SSID_2: |
| 1407 | tbl = msg_bld_masks_2; |
| 1408 | tbl_size = sizeof(msg_bld_masks_2); |
| 1409 | break; |
| 1410 | case MSG_SSID_3: |
| 1411 | tbl = msg_bld_masks_3; |
| 1412 | tbl_size = sizeof(msg_bld_masks_3); |
| 1413 | break; |
| 1414 | case MSG_SSID_4: |
| 1415 | tbl = msg_bld_masks_4; |
| 1416 | tbl_size = sizeof(msg_bld_masks_4); |
| 1417 | break; |
| 1418 | case MSG_SSID_5: |
| 1419 | tbl = msg_bld_masks_5; |
| 1420 | tbl_size = sizeof(msg_bld_masks_5); |
| 1421 | break; |
| 1422 | case MSG_SSID_6: |
| 1423 | tbl = msg_bld_masks_6; |
| 1424 | tbl_size = sizeof(msg_bld_masks_6); |
| 1425 | break; |
| 1426 | case MSG_SSID_7: |
| 1427 | tbl = msg_bld_masks_7; |
| 1428 | tbl_size = sizeof(msg_bld_masks_7); |
| 1429 | break; |
| 1430 | case MSG_SSID_8: |
| 1431 | tbl = msg_bld_masks_8; |
| 1432 | tbl_size = sizeof(msg_bld_masks_8); |
| 1433 | break; |
| 1434 | case MSG_SSID_9: |
| 1435 | tbl = msg_bld_masks_9; |
| 1436 | tbl_size = sizeof(msg_bld_masks_9); |
| 1437 | break; |
| 1438 | case MSG_SSID_10: |
| 1439 | tbl = msg_bld_masks_10; |
| 1440 | tbl_size = sizeof(msg_bld_masks_10); |
| 1441 | break; |
| 1442 | case MSG_SSID_11: |
| 1443 | tbl = msg_bld_masks_11; |
| 1444 | tbl_size = sizeof(msg_bld_masks_11); |
| 1445 | break; |
| 1446 | case MSG_SSID_12: |
| 1447 | tbl = msg_bld_masks_12; |
| 1448 | tbl_size = sizeof(msg_bld_masks_12); |
| 1449 | break; |
| 1450 | case MSG_SSID_13: |
| 1451 | tbl = msg_bld_masks_13; |
| 1452 | tbl_size = sizeof(msg_bld_masks_13); |
| 1453 | break; |
| 1454 | case MSG_SSID_14: |
| 1455 | tbl = msg_bld_masks_14; |
| 1456 | tbl_size = sizeof(msg_bld_masks_14); |
| 1457 | break; |
| 1458 | case MSG_SSID_15: |
| 1459 | tbl = msg_bld_masks_15; |
| 1460 | tbl_size = sizeof(msg_bld_masks_15); |
| 1461 | break; |
| 1462 | case MSG_SSID_16: |
| 1463 | tbl = msg_bld_masks_16; |
| 1464 | tbl_size = sizeof(msg_bld_masks_16); |
| 1465 | break; |
| 1466 | case MSG_SSID_17: |
| 1467 | tbl = msg_bld_masks_17; |
| 1468 | tbl_size = sizeof(msg_bld_masks_17); |
| 1469 | break; |
| 1470 | case MSG_SSID_18: |
| 1471 | tbl = msg_bld_masks_18; |
| 1472 | tbl_size = sizeof(msg_bld_masks_18); |
| 1473 | break; |
| 1474 | case MSG_SSID_19: |
| 1475 | tbl = msg_bld_masks_19; |
| 1476 | tbl_size = sizeof(msg_bld_masks_19); |
| 1477 | break; |
| 1478 | case MSG_SSID_20: |
| 1479 | tbl = msg_bld_masks_20; |
| 1480 | tbl_size = sizeof(msg_bld_masks_20); |
| 1481 | break; |
| 1482 | case MSG_SSID_21: |
| 1483 | tbl = msg_bld_masks_21; |
| 1484 | tbl_size = sizeof(msg_bld_masks_21); |
| 1485 | break; |
| 1486 | case MSG_SSID_22: |
| 1487 | tbl = msg_bld_masks_22; |
| 1488 | tbl_size = sizeof(msg_bld_masks_22); |
| 1489 | break; |
| 1490 | } |
| 1491 | if (!tbl) |
| 1492 | continue; |
| 1493 | if (tbl_size > build_mask->range * sizeof(uint32_t)) { |
| 1494 | pr_warn("diag: In %s, table %d has more ssid than max, ssid_first: %d, ssid_last: %d\n", |
| 1495 | __func__, i, build_mask->ssid_first, |
| 1496 | build_mask->ssid_last); |
| 1497 | tbl_size = build_mask->range * sizeof(uint32_t); |
| 1498 | } |
| 1499 | memcpy(build_mask->ptr, tbl, tbl_size); |
| 1500 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1501 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1502 | mutex_unlock(&msg_bt_mask.lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1503 | return err; |
| 1504 | } |
| 1505 | |
| 1506 | static int diag_create_log_mask_table(void) |
| 1507 | { |
| 1508 | struct diag_log_mask_t *mask = NULL; |
| 1509 | uint8_t i; |
| 1510 | int err = 0; |
| 1511 | |
| 1512 | mutex_lock(&log_mask.lock); |
| 1513 | mask = (struct diag_log_mask_t *)(log_mask.ptr); |
| 1514 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1515 | mask->equip_id = i; |
| 1516 | mask->num_items = LOG_GET_ITEM_NUM(log_code_last_tbl[i]); |
| 1517 | mask->num_items_tools = mask->num_items; |
| 1518 | mutex_init(&mask->lock); |
| 1519 | if (LOG_ITEMS_TO_SIZE(mask->num_items) > MAX_ITEMS_PER_EQUIP_ID) |
| 1520 | mask->range = LOG_ITEMS_TO_SIZE(mask->num_items); |
| 1521 | else |
| 1522 | mask->range = MAX_ITEMS_PER_EQUIP_ID; |
| 1523 | mask->range_tools = mask->range; |
| 1524 | mask->ptr = kzalloc(mask->range, GFP_KERNEL); |
| 1525 | if (!mask->ptr) { |
| 1526 | err = -ENOMEM; |
| 1527 | break; |
| 1528 | } |
| 1529 | kmemleak_not_leak(mask->ptr); |
| 1530 | } |
| 1531 | mutex_unlock(&log_mask.lock); |
| 1532 | return err; |
| 1533 | } |
| 1534 | |
| 1535 | static int __diag_mask_init(struct diag_mask_info *mask_info, int mask_len, |
| 1536 | int update_buf_len) |
| 1537 | { |
| 1538 | if (!mask_info || mask_len < 0 || update_buf_len < 0) |
| 1539 | return -EINVAL; |
| 1540 | |
| 1541 | mask_info->status = DIAG_CTRL_MASK_INVALID; |
| 1542 | mask_info->mask_len = mask_len; |
| 1543 | mask_info->update_buf_len = update_buf_len; |
| 1544 | if (mask_len > 0) { |
| 1545 | mask_info->ptr = kzalloc(mask_len, GFP_KERNEL); |
| 1546 | if (!mask_info->ptr) |
| 1547 | return -ENOMEM; |
| 1548 | kmemleak_not_leak(mask_info->ptr); |
| 1549 | } |
| 1550 | if (update_buf_len > 0) { |
| 1551 | mask_info->update_buf = kzalloc(update_buf_len, GFP_KERNEL); |
| 1552 | if (!mask_info->update_buf) { |
| 1553 | kfree(mask_info->ptr); |
| 1554 | return -ENOMEM; |
| 1555 | } |
| 1556 | kmemleak_not_leak(mask_info->update_buf); |
| 1557 | } |
| 1558 | mutex_init(&mask_info->lock); |
| 1559 | return 0; |
| 1560 | } |
| 1561 | |
| 1562 | static void __diag_mask_exit(struct diag_mask_info *mask_info) |
| 1563 | { |
| 1564 | if (!mask_info) |
| 1565 | return; |
| 1566 | |
| 1567 | mutex_lock(&mask_info->lock); |
| 1568 | kfree(mask_info->ptr); |
| 1569 | mask_info->ptr = NULL; |
| 1570 | kfree(mask_info->update_buf); |
| 1571 | mask_info->update_buf = NULL; |
| 1572 | mutex_unlock(&mask_info->lock); |
| 1573 | } |
| 1574 | |
| 1575 | int diag_log_mask_copy(struct diag_mask_info *dest, struct diag_mask_info *src) |
| 1576 | { |
| 1577 | int i; |
| 1578 | int err = 0; |
| 1579 | struct diag_log_mask_t *src_mask = NULL; |
| 1580 | struct diag_log_mask_t *dest_mask = NULL; |
| 1581 | |
| 1582 | if (!src) |
| 1583 | return -EINVAL; |
| 1584 | |
| 1585 | err = __diag_mask_init(dest, LOG_MASK_SIZE, APPS_BUF_SIZE); |
| 1586 | if (err) |
| 1587 | return err; |
| 1588 | |
| 1589 | mutex_lock(&dest->lock); |
| 1590 | src_mask = (struct diag_log_mask_t *)(src->ptr); |
| 1591 | dest_mask = (struct diag_log_mask_t *)(dest->ptr); |
| 1592 | |
| 1593 | dest->mask_len = src->mask_len; |
| 1594 | dest->status = src->status; |
| 1595 | |
| 1596 | for (i = 0; i < MAX_EQUIP_ID; i++, src_mask++, dest_mask++) { |
| 1597 | dest_mask->equip_id = src_mask->equip_id; |
| 1598 | dest_mask->num_items = src_mask->num_items; |
| 1599 | dest_mask->num_items_tools = src_mask->num_items_tools; |
| 1600 | mutex_init(&dest_mask->lock); |
| 1601 | dest_mask->range = src_mask->range; |
| 1602 | dest_mask->range_tools = src_mask->range_tools; |
| 1603 | dest_mask->ptr = kzalloc(dest_mask->range_tools, GFP_KERNEL); |
| 1604 | if (!dest_mask->ptr) { |
| 1605 | err = -ENOMEM; |
| 1606 | break; |
| 1607 | } |
| 1608 | kmemleak_not_leak(dest_mask->ptr); |
| 1609 | memcpy(dest_mask->ptr, src_mask->ptr, dest_mask->range_tools); |
| 1610 | } |
| 1611 | mutex_unlock(&dest->lock); |
| 1612 | |
| 1613 | return err; |
| 1614 | } |
| 1615 | |
| 1616 | void diag_log_mask_free(struct diag_mask_info *mask_info) |
| 1617 | { |
| 1618 | int i; |
| 1619 | struct diag_log_mask_t *mask = NULL; |
| 1620 | |
| 1621 | if (!mask_info) |
| 1622 | return; |
| 1623 | |
| 1624 | mutex_lock(&mask_info->lock); |
| 1625 | mask = (struct diag_log_mask_t *)mask_info->ptr; |
| 1626 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1627 | kfree(mask->ptr); |
| 1628 | mask->ptr = NULL; |
| 1629 | } |
| 1630 | mutex_unlock(&mask_info->lock); |
| 1631 | |
| 1632 | __diag_mask_exit(mask_info); |
| 1633 | |
| 1634 | } |
| 1635 | |
| 1636 | static int diag_msg_mask_init(void) |
| 1637 | { |
| 1638 | int err = 0; |
| 1639 | int i; |
| 1640 | |
| 1641 | err = __diag_mask_init(&msg_mask, MSG_MASK_SIZE, APPS_BUF_SIZE); |
| 1642 | if (err) |
| 1643 | return err; |
| 1644 | err = diag_create_msg_mask_table(); |
| 1645 | if (err) { |
| 1646 | pr_err("diag: Unable to create msg masks, err: %d\n", err); |
| 1647 | return err; |
| 1648 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1649 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1650 | driver->msg_mask = &msg_mask; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1651 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1652 | driver->max_ssid_count[i] = 0; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1653 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1654 | |
| 1655 | return 0; |
| 1656 | } |
| 1657 | |
| 1658 | int diag_msg_mask_copy(struct diag_mask_info *dest, struct diag_mask_info *src) |
| 1659 | { |
| 1660 | int i; |
| 1661 | int err = 0; |
| 1662 | struct diag_msg_mask_t *src_mask = NULL; |
| 1663 | struct diag_msg_mask_t *dest_mask = NULL; |
| 1664 | struct diag_ssid_range_t range; |
| 1665 | |
| 1666 | if (!src || !dest) |
| 1667 | return -EINVAL; |
| 1668 | |
| 1669 | err = __diag_mask_init(dest, MSG_MASK_SIZE, APPS_BUF_SIZE); |
| 1670 | if (err) |
| 1671 | return err; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1672 | mutex_lock(&dest->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1673 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1674 | src_mask = (struct diag_msg_mask_t *)src->ptr; |
| 1675 | dest_mask = (struct diag_msg_mask_t *)dest->ptr; |
| 1676 | |
| 1677 | dest->mask_len = src->mask_len; |
| 1678 | dest->status = src->status; |
| 1679 | for (i = 0; i < driver->msg_mask_tbl_count; i++) { |
| 1680 | range.ssid_first = src_mask->ssid_first; |
| 1681 | range.ssid_last = src_mask->ssid_last; |
| 1682 | err = diag_create_msg_mask_table_entry(dest_mask, &range); |
| 1683 | if (err) |
| 1684 | break; |
| 1685 | memcpy(dest_mask->ptr, src_mask->ptr, |
| 1686 | dest_mask->range * sizeof(uint32_t)); |
| 1687 | src_mask++; |
| 1688 | dest_mask++; |
| 1689 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1690 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1691 | mutex_unlock(&dest->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1692 | return err; |
| 1693 | } |
| 1694 | |
| 1695 | void diag_msg_mask_free(struct diag_mask_info *mask_info) |
| 1696 | { |
| 1697 | int i; |
| 1698 | struct diag_msg_mask_t *mask = NULL; |
| 1699 | |
| 1700 | if (!mask_info) |
| 1701 | return; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1702 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1703 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1704 | mask = (struct diag_msg_mask_t *)mask_info->ptr; |
| 1705 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 1706 | kfree(mask->ptr); |
| 1707 | mask->ptr = NULL; |
| 1708 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1709 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1710 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1711 | __diag_mask_exit(mask_info); |
| 1712 | } |
| 1713 | |
| 1714 | static void diag_msg_mask_exit(void) |
| 1715 | { |
| 1716 | int i; |
| 1717 | struct diag_msg_mask_t *mask = NULL; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1718 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1719 | mask = (struct diag_msg_mask_t *)(msg_mask.ptr); |
| 1720 | if (mask) { |
| 1721 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) |
| 1722 | kfree(mask->ptr); |
| 1723 | kfree(msg_mask.ptr); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1724 | msg_mask.ptr = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1725 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1726 | kfree(msg_mask.update_buf); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1727 | msg_mask.update_buf = NULL; |
| 1728 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1729 | } |
| 1730 | |
| 1731 | static int diag_build_time_mask_init(void) |
| 1732 | { |
| 1733 | int err = 0; |
| 1734 | |
| 1735 | /* There is no need for update buffer for Build Time masks */ |
| 1736 | err = __diag_mask_init(&msg_bt_mask, MSG_MASK_SIZE, 0); |
| 1737 | if (err) |
| 1738 | return err; |
| 1739 | err = diag_create_build_time_mask(); |
| 1740 | if (err) { |
| 1741 | pr_err("diag: Unable to create msg build time masks, err: %d\n", |
| 1742 | err); |
| 1743 | return err; |
| 1744 | } |
| 1745 | driver->build_time_mask = &msg_bt_mask; |
| 1746 | return 0; |
| 1747 | } |
| 1748 | |
| 1749 | static void diag_build_time_mask_exit(void) |
| 1750 | { |
| 1751 | int i; |
| 1752 | struct diag_msg_mask_t *mask = NULL; |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1753 | mutex_lock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1754 | mask = (struct diag_msg_mask_t *)(msg_bt_mask.ptr); |
| 1755 | if (mask) { |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1756 | for (i = 0; i < driver->bt_msg_mask_tbl_count; i++, mask++) |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1757 | kfree(mask->ptr); |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1758 | kfree(msg_bt_mask.ptr); |
| 1759 | msg_bt_mask.ptr = NULL; |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1760 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1761 | mutex_unlock(&driver->msg_mask_lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1762 | } |
| 1763 | |
| 1764 | static int diag_log_mask_init(void) |
| 1765 | { |
| 1766 | int err = 0; |
| 1767 | int i; |
| 1768 | |
| 1769 | err = __diag_mask_init(&log_mask, LOG_MASK_SIZE, APPS_BUF_SIZE); |
| 1770 | if (err) |
| 1771 | return err; |
| 1772 | err = diag_create_log_mask_table(); |
| 1773 | if (err) |
| 1774 | return err; |
| 1775 | driver->log_mask = &log_mask; |
| 1776 | |
| 1777 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1778 | driver->num_equip_id[i] = 0; |
| 1779 | |
| 1780 | return 0; |
| 1781 | } |
| 1782 | |
| 1783 | static void diag_log_mask_exit(void) |
| 1784 | { |
| 1785 | int i; |
| 1786 | struct diag_log_mask_t *mask = NULL; |
| 1787 | |
| 1788 | mask = (struct diag_log_mask_t *)(log_mask.ptr); |
| 1789 | if (mask) { |
| 1790 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) |
| 1791 | kfree(mask->ptr); |
| 1792 | kfree(log_mask.ptr); |
| 1793 | } |
| 1794 | |
| 1795 | kfree(log_mask.update_buf); |
| 1796 | } |
| 1797 | |
| 1798 | static int diag_event_mask_init(void) |
| 1799 | { |
| 1800 | int err = 0; |
| 1801 | int i; |
| 1802 | |
| 1803 | err = __diag_mask_init(&event_mask, EVENT_MASK_SIZE, APPS_BUF_SIZE); |
| 1804 | if (err) |
| 1805 | return err; |
| 1806 | driver->event_mask_size = EVENT_MASK_SIZE; |
| 1807 | driver->last_event_id = APPS_EVENT_LAST_ID; |
| 1808 | driver->event_mask = &event_mask; |
| 1809 | |
| 1810 | for (i = 0; i < NUM_PERIPHERALS; i++) |
| 1811 | driver->num_event_id[i] = 0; |
| 1812 | |
| 1813 | return 0; |
| 1814 | } |
| 1815 | |
| 1816 | int diag_event_mask_copy(struct diag_mask_info *dest, |
| 1817 | struct diag_mask_info *src) |
| 1818 | { |
| 1819 | int err = 0; |
| 1820 | |
| 1821 | if (!src || !dest) |
| 1822 | return -EINVAL; |
| 1823 | |
| 1824 | err = __diag_mask_init(dest, EVENT_MASK_SIZE, APPS_BUF_SIZE); |
| 1825 | if (err) |
| 1826 | return err; |
| 1827 | |
| 1828 | mutex_lock(&dest->lock); |
| 1829 | dest->mask_len = src->mask_len; |
| 1830 | dest->status = src->status; |
| 1831 | memcpy(dest->ptr, src->ptr, dest->mask_len); |
| 1832 | mutex_unlock(&dest->lock); |
| 1833 | |
| 1834 | return err; |
| 1835 | } |
| 1836 | |
| 1837 | void diag_event_mask_free(struct diag_mask_info *mask_info) |
| 1838 | { |
| 1839 | if (!mask_info) |
| 1840 | return; |
| 1841 | |
| 1842 | __diag_mask_exit(mask_info); |
| 1843 | } |
| 1844 | |
| 1845 | static void diag_event_mask_exit(void) |
| 1846 | { |
| 1847 | kfree(event_mask.ptr); |
| 1848 | kfree(event_mask.update_buf); |
| 1849 | } |
| 1850 | |
| 1851 | int diag_copy_to_user_msg_mask(char __user *buf, size_t count, |
| 1852 | struct diag_md_session_t *info) |
| 1853 | { |
| 1854 | int i; |
| 1855 | int err = 0; |
| 1856 | int len = 0; |
| 1857 | int copy_len = 0; |
| 1858 | int total_len = 0; |
| 1859 | struct diag_msg_mask_userspace_t header; |
| 1860 | struct diag_mask_info *mask_info = NULL; |
| 1861 | struct diag_msg_mask_t *mask = NULL; |
| 1862 | unsigned char *ptr = NULL; |
| 1863 | |
| 1864 | if (!buf || count == 0) |
| 1865 | return -EINVAL; |
| 1866 | |
| 1867 | mask_info = (!info) ? &msg_mask : info->msg_mask; |
| 1868 | if (!mask_info) |
| 1869 | return -EIO; |
| 1870 | |
| 1871 | mutex_lock(&driver->diag_maskclear_mutex); |
| 1872 | if (driver->mask_clear) { |
| 1873 | DIAG_LOG(DIAG_DEBUG_PERIPHERALS, |
| 1874 | "diag:%s: count = %zu\n", __func__, count); |
| 1875 | mutex_unlock(&driver->diag_maskclear_mutex); |
| 1876 | return -EIO; |
| 1877 | } |
| 1878 | mutex_unlock(&driver->diag_maskclear_mutex); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1879 | mutex_lock(&mask_info->lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1880 | mutex_lock(&driver->msg_mask_lock); |
| 1881 | |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1882 | mask = (struct diag_msg_mask_t *)(mask_info->ptr); |
| 1883 | for (i = 0; i < driver->msg_mask_tbl_count; i++, mask++) { |
| 1884 | ptr = mask_info->update_buf; |
| 1885 | len = 0; |
| 1886 | mutex_lock(&mask->lock); |
| 1887 | header.ssid_first = mask->ssid_first; |
| 1888 | header.ssid_last = mask->ssid_last_tools; |
| 1889 | header.range = mask->range_tools; |
| 1890 | memcpy(ptr, &header, sizeof(header)); |
| 1891 | len += sizeof(header); |
| 1892 | copy_len = (sizeof(uint32_t) * mask->range_tools); |
| 1893 | if ((len + copy_len) > mask_info->update_buf_len) { |
| 1894 | pr_err("diag: In %s, no space to update msg mask, first: %d, last: %d\n", |
| 1895 | __func__, mask->ssid_first, |
| 1896 | mask->ssid_last_tools); |
| 1897 | mutex_unlock(&mask->lock); |
| 1898 | continue; |
| 1899 | } |
| 1900 | memcpy(ptr + len, mask->ptr, copy_len); |
| 1901 | len += copy_len; |
| 1902 | mutex_unlock(&mask->lock); |
| 1903 | /* + sizeof(int) to account for data_type already in buf */ |
| 1904 | if (total_len + sizeof(int) + len > count) { |
| 1905 | pr_err("diag: In %s, unable to send msg masks to user space, total_len: %d, count: %zu\n", |
| 1906 | __func__, total_len, count); |
| 1907 | err = -ENOMEM; |
| 1908 | break; |
| 1909 | } |
| 1910 | err = copy_to_user(buf + total_len, (void *)ptr, len); |
| 1911 | if (err) { |
| 1912 | pr_err("diag: In %s Unable to send msg masks to user space clients, err: %d\n", |
| 1913 | __func__, err); |
| 1914 | break; |
| 1915 | } |
| 1916 | total_len += len; |
| 1917 | } |
Gopikrishna Mogasati | 9a44d8d | 2017-05-05 16:04:35 +0530 | [diff] [blame] | 1918 | mutex_unlock(&driver->msg_mask_lock); |
Manoj Prabhu B | e68c27a | 2017-07-14 16:52:45 +0530 | [diff] [blame] | 1919 | mutex_unlock(&mask_info->lock); |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 1920 | return err ? err : total_len; |
| 1921 | } |
| 1922 | |
| 1923 | int diag_copy_to_user_log_mask(char __user *buf, size_t count, |
| 1924 | struct diag_md_session_t *info) |
| 1925 | { |
| 1926 | int i; |
| 1927 | int err = 0; |
| 1928 | int len = 0; |
| 1929 | int copy_len = 0; |
| 1930 | int total_len = 0; |
| 1931 | struct diag_log_mask_userspace_t header; |
| 1932 | struct diag_log_mask_t *mask = NULL; |
| 1933 | struct diag_mask_info *mask_info = NULL; |
| 1934 | unsigned char *ptr = NULL; |
| 1935 | |
| 1936 | if (!buf || count == 0) |
| 1937 | return -EINVAL; |
| 1938 | |
| 1939 | mask_info = (!info) ? &log_mask : info->log_mask; |
| 1940 | if (!mask_info) |
| 1941 | return -EIO; |
| 1942 | |
| 1943 | mutex_lock(&mask_info->lock); |
| 1944 | mask = (struct diag_log_mask_t *)(mask_info->ptr); |
| 1945 | for (i = 0; i < MAX_EQUIP_ID; i++, mask++) { |
| 1946 | ptr = mask_info->update_buf; |
| 1947 | len = 0; |
| 1948 | mutex_lock(&mask->lock); |
| 1949 | header.equip_id = mask->equip_id; |
| 1950 | header.num_items = mask->num_items_tools; |
| 1951 | memcpy(ptr, &header, sizeof(header)); |
| 1952 | len += sizeof(header); |
| 1953 | copy_len = LOG_ITEMS_TO_SIZE(header.num_items); |
| 1954 | if ((len + copy_len) > mask_info->update_buf_len) { |
| 1955 | pr_err("diag: In %s, no space to update log mask, equip_id: %d\n", |
| 1956 | __func__, mask->equip_id); |
| 1957 | mutex_unlock(&mask->lock); |
| 1958 | continue; |
| 1959 | } |
| 1960 | memcpy(ptr + len, mask->ptr, copy_len); |
| 1961 | len += copy_len; |
| 1962 | mutex_unlock(&mask->lock); |
| 1963 | /* + sizeof(int) to account for data_type already in buf */ |
| 1964 | if (total_len + sizeof(int) + len > count) { |
| 1965 | pr_err("diag: In %s, unable to send log masks to user space, total_len: %d, count: %zu\n", |
| 1966 | __func__, total_len, count); |
| 1967 | err = -ENOMEM; |
| 1968 | break; |
| 1969 | } |
| 1970 | err = copy_to_user(buf + total_len, (void *)ptr, len); |
| 1971 | if (err) { |
| 1972 | pr_err("diag: In %s Unable to send log masks to user space clients, err: %d\n", |
| 1973 | __func__, err); |
| 1974 | break; |
| 1975 | } |
| 1976 | total_len += len; |
| 1977 | } |
| 1978 | mutex_unlock(&mask_info->lock); |
| 1979 | |
| 1980 | return err ? err : total_len; |
| 1981 | } |
| 1982 | |
| 1983 | void diag_send_updates_peripheral(uint8_t peripheral) |
| 1984 | { |
| 1985 | diag_send_feature_mask_update(peripheral); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 1986 | /* |
| 1987 | * Masks (F3, logs and events) will be sent to |
| 1988 | * peripheral immediately following feature mask update only |
| 1989 | * if diag_id support is not present or |
| 1990 | * diag_id support is present and diag_id has been sent to |
| 1991 | * peripheral. |
| 1992 | */ |
| 1993 | if (!driver->feature[peripheral].diag_id_support || |
| 1994 | driver->diag_id_sent[peripheral]) { |
| 1995 | if (driver->time_sync_enabled) |
| 1996 | diag_send_time_sync_update(peripheral); |
| 1997 | mutex_lock(&driver->md_session_lock); |
| 1998 | diag_send_msg_mask_update(peripheral, ALL_SSID, ALL_SSID); |
| 1999 | diag_send_log_mask_update(peripheral, ALL_EQUIP_ID); |
| 2000 | diag_send_event_mask_update(peripheral); |
| 2001 | mutex_unlock(&driver->md_session_lock); |
| 2002 | diag_send_real_time_update(peripheral, |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2003 | driver->real_time_mode[DIAG_LOCAL_PROC]); |
Manoj Prabhu B | 571cf42 | 2017-08-08 19:01:41 +0530 | [diff] [blame] | 2004 | diag_send_peripheral_buffering_mode( |
| 2005 | &driver->buffering_mode[peripheral]); |
| 2006 | } |
Sreelakshmi Gownipalli | cb8893d | 2016-10-19 16:02:34 -0700 | [diff] [blame] | 2007 | } |
| 2008 | |
| 2009 | int diag_process_apps_masks(unsigned char *buf, int len, |
| 2010 | struct diag_md_session_t *info) |
| 2011 | { |
| 2012 | int size = 0; |
| 2013 | int sub_cmd = 0; |
| 2014 | int (*hdlr)(unsigned char *src_buf, int src_len, |
| 2015 | unsigned char *dest_buf, int dest_len, |
| 2016 | struct diag_md_session_t *info) = NULL; |
| 2017 | |
| 2018 | if (!buf || len <= 0) |
| 2019 | return -EINVAL; |
| 2020 | |
| 2021 | if (*buf == DIAG_CMD_LOG_CONFIG) { |
| 2022 | sub_cmd = *(int *)(buf + sizeof(int)); |
| 2023 | switch (sub_cmd) { |
| 2024 | case DIAG_CMD_OP_LOG_DISABLE: |
| 2025 | hdlr = diag_cmd_disable_log_mask; |
| 2026 | break; |
| 2027 | case DIAG_CMD_OP_GET_LOG_RANGE: |
| 2028 | hdlr = diag_cmd_get_log_range; |
| 2029 | break; |
| 2030 | case DIAG_CMD_OP_SET_LOG_MASK: |
| 2031 | hdlr = diag_cmd_set_log_mask; |
| 2032 | break; |
| 2033 | case DIAG_CMD_OP_GET_LOG_MASK: |
| 2034 | hdlr = diag_cmd_get_log_mask; |
| 2035 | break; |
| 2036 | } |
| 2037 | } else if (*buf == DIAG_CMD_MSG_CONFIG) { |
| 2038 | sub_cmd = *(uint8_t *)(buf + sizeof(uint8_t)); |
| 2039 | switch (sub_cmd) { |
| 2040 | case DIAG_CMD_OP_GET_SSID_RANGE: |
| 2041 | hdlr = diag_cmd_get_ssid_range; |
| 2042 | break; |
| 2043 | case DIAG_CMD_OP_GET_BUILD_MASK: |
| 2044 | hdlr = diag_cmd_get_build_mask; |
| 2045 | break; |
| 2046 | case DIAG_CMD_OP_GET_MSG_MASK: |
| 2047 | hdlr = diag_cmd_get_msg_mask; |
| 2048 | break; |
| 2049 | case DIAG_CMD_OP_SET_MSG_MASK: |
| 2050 | hdlr = diag_cmd_set_msg_mask; |
| 2051 | break; |
| 2052 | case DIAG_CMD_OP_SET_ALL_MSG_MASK: |
| 2053 | hdlr = diag_cmd_set_all_msg_mask; |
| 2054 | break; |
| 2055 | } |
| 2056 | } else if (*buf == DIAG_CMD_GET_EVENT_MASK) { |
| 2057 | hdlr = diag_cmd_get_event_mask; |
| 2058 | } else if (*buf == DIAG_CMD_SET_EVENT_MASK) { |
| 2059 | hdlr = diag_cmd_update_event_mask; |
| 2060 | } else if (*buf == DIAG_CMD_EVENT_TOGGLE) { |
| 2061 | hdlr = diag_cmd_toggle_events; |
| 2062 | } |
| 2063 | |
| 2064 | if (hdlr) |
| 2065 | size = hdlr(buf, len, driver->apps_rsp_buf, |
| 2066 | DIAG_MAX_RSP_SIZE, info); |
| 2067 | |
| 2068 | return (size > 0) ? size : 0; |
| 2069 | } |
| 2070 | |
| 2071 | int diag_masks_init(void) |
| 2072 | { |
| 2073 | int err = 0; |
| 2074 | |
| 2075 | err = diag_msg_mask_init(); |
| 2076 | if (err) |
| 2077 | goto fail; |
| 2078 | |
| 2079 | err = diag_build_time_mask_init(); |
| 2080 | if (err) |
| 2081 | goto fail; |
| 2082 | |
| 2083 | err = diag_log_mask_init(); |
| 2084 | if (err) |
| 2085 | goto fail; |
| 2086 | |
| 2087 | err = diag_event_mask_init(); |
| 2088 | if (err) |
| 2089 | goto fail; |
| 2090 | |
| 2091 | if (driver->buf_feature_mask_update == NULL) { |
| 2092 | driver->buf_feature_mask_update = kzalloc(sizeof( |
| 2093 | struct diag_ctrl_feature_mask) + |
| 2094 | FEATURE_MASK_LEN, GFP_KERNEL); |
| 2095 | if (driver->buf_feature_mask_update == NULL) |
| 2096 | goto fail; |
| 2097 | kmemleak_not_leak(driver->buf_feature_mask_update); |
| 2098 | } |
| 2099 | |
| 2100 | return 0; |
| 2101 | fail: |
| 2102 | pr_err("diag: Could not initialize diag mask buffers\n"); |
| 2103 | diag_masks_exit(); |
| 2104 | return -ENOMEM; |
| 2105 | } |
| 2106 | |
| 2107 | void diag_masks_exit(void) |
| 2108 | { |
| 2109 | diag_msg_mask_exit(); |
| 2110 | diag_build_time_mask_exit(); |
| 2111 | diag_log_mask_exit(); |
| 2112 | diag_event_mask_exit(); |
| 2113 | kfree(driver->buf_feature_mask_update); |
| 2114 | } |