Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 1 | /* |
Vignesh Mohan | 86eba59 | 2019-10-23 17:34:14 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved. |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 3 | * Copyright (c) 2002-2010, Atheros Communications Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
Stephen Hines | 5b4ca18 | 2017-01-26 00:43:34 -0800 | [diff] [blame] | 18 | /* Suppress -Waddress-of-packed-member for new toolchain update. |
| 19 | * Bug: http://b/33566695 |
| 20 | */ |
| 21 | #if __clang_major__ >= 4 |
| 22 | #pragma clang diagnostic ignored "-Waddress-of-packed-member" |
| 23 | #endif |
| 24 | |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 25 | /** |
| 26 | * DOC: This file contains NOL related functionality, NOL being the non |
| 27 | * occupancy list. After radar has been detected in a particular channel, |
| 28 | * the channel cannot be used for a period of 30 minutes which is called |
| 29 | * the non occupancy. The NOL is basically a list of all the channels that |
| 30 | * radar has been detected on. Each channel has a 30 minute timer associated |
| 31 | * with it. This file contains the functionality to add a channel to the NOL, |
| 32 | * the NOL timer function and the functionality to remove a channel from the |
| 33 | * NOL when its time is up. |
| 34 | */ |
| 35 | |
| 36 | #include "../dfs.h" |
| 37 | #include "../dfs_channel.h" |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 38 | #include "../dfs_ioctl_private.h" |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 39 | #include "../dfs_internal.h" |
Arif Hussain | 8d88af5 | 2017-02-26 21:25:42 -0800 | [diff] [blame] | 40 | #include <qdf_time.h> |
| 41 | #include <wlan_dfs_mlme_api.h> |
Shashikala Prabhu | 7517a8d | 2018-12-13 18:02:45 +0530 | [diff] [blame] | 42 | #include <wlan_objmgr_vdev_obj.h> |
Arif Hussain | 8d88af5 | 2017-02-26 21:25:42 -0800 | [diff] [blame] | 43 | #include <wlan_dfs_utils_api.h> |
| 44 | #include <wlan_reg_services_api.h> |
Vignesh U | 8785b9d | 2018-04-20 22:01:25 +0530 | [diff] [blame] | 45 | #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) |
| 46 | #include "../dfs_process_radar_found_ind.h" |
| 47 | #include "../dfs_partial_offload_radar.h" |
| 48 | #endif |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 49 | |
Vignesh U | 916926f | 2018-06-04 14:28:11 +0530 | [diff] [blame] | 50 | void dfs_set_update_nol_flag(struct wlan_dfs *dfs, bool val) |
| 51 | { |
| 52 | dfs->update_nol = val; |
| 53 | } |
| 54 | |
| 55 | bool dfs_get_update_nol_flag(struct wlan_dfs *dfs) |
| 56 | { |
| 57 | return dfs->update_nol; |
| 58 | } |
| 59 | |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 60 | /** |
| 61 | * dfs_nol_timeout() - NOL timeout function. |
| 62 | * |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 63 | * Clears the WLAN_CHAN_DFS_RADAR_FOUND flag for the NOL timeout channel. |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 64 | */ |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 65 | /* Unused function */ |
| 66 | #ifdef CONFIG_CHAN_FREQ_API |
| 67 | static os_timer_func(dfs_nol_timeout) |
| 68 | { |
| 69 | struct dfs_channel *c = NULL, lc; |
| 70 | unsigned long oldest, now; |
| 71 | struct wlan_dfs *dfs = NULL; |
| 72 | int i; |
| 73 | int nchans = 0; |
| 74 | |
| 75 | c = &lc; |
| 76 | |
| 77 | OS_GET_TIMER_ARG(dfs, struct wlan_dfs *); |
| 78 | dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans); |
| 79 | |
| 80 | now = oldest = qdf_system_ticks(); |
| 81 | for (i = 0; i < nchans; i++) { |
| 82 | dfs_mlme_get_dfs_channels_for_freq |
| 83 | (dfs->dfs_pdev_obj, |
| 84 | &c->dfs_ch_freq, |
| 85 | &c->dfs_ch_flags, |
| 86 | &c->dfs_ch_flagext, |
| 87 | &c->dfs_ch_ieee, |
| 88 | &c->dfs_ch_vhtop_ch_freq_seg1, |
| 89 | &c->dfs_ch_vhtop_ch_freq_seg2, |
| 90 | &c->dfs_ch_mhz_freq_seg1, |
| 91 | &c->dfs_ch_mhz_freq_seg2, |
| 92 | i); |
| 93 | if (WLAN_IS_CHAN_RADAR(c)) { |
| 94 | if (qdf_system_time_after_eq(now, |
| 95 | dfs->dfs_nol_event[i] + |
| 96 | dfs_get_nol_timeout(dfs))) { |
| 97 | c->dfs_ch_flagext &= ~WLAN_CHAN_DFS_RADAR_FOUND; |
| 98 | if (c->dfs_ch_flags & WLAN_CHAN_DFS_RADAR) { |
| 99 | /* |
| 100 | * NB: do this here so we get only one |
| 101 | * msg instead of one for every channel |
| 102 | * table entry. |
| 103 | */ |
| 104 | dfs_debug(dfs, WLAN_DEBUG_DFS, |
| 105 | "radar on channel %u (%u MHz) cleared after timeout", |
| 106 | c->dfs_ch_ieee, |
| 107 | c->dfs_ch_freq); |
| 108 | } |
| 109 | } else if (dfs->dfs_nol_event[i] < oldest) { |
| 110 | oldest = dfs->dfs_nol_event[i]; |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | if (oldest != now) { |
| 115 | /* Arrange to process next channel up for a status change. */ |
| 116 | qdf_timer_mod(&dfs->dfs_nol_timer, |
| 117 | dfs_get_nol_timeout(dfs) - |
| 118 | qdf_system_ticks_to_msecs(qdf_system_ticks())); |
| 119 | } |
| 120 | } |
| 121 | #else |
| 122 | #ifdef CONFIG_CHAN_NUM_API |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 123 | static os_timer_func(dfs_nol_timeout) |
| 124 | { |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 125 | struct dfs_channel *c = NULL, lc; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 126 | unsigned long oldest, now; |
| 127 | struct wlan_dfs *dfs = NULL; |
| 128 | int i; |
| 129 | int nchans = 0; |
| 130 | |
| 131 | c = &lc; |
| 132 | |
| 133 | OS_GET_TIMER_ARG(dfs, struct wlan_dfs *); |
| 134 | dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans); |
| 135 | |
| 136 | now = oldest = qdf_system_ticks(); |
| 137 | for (i = 0; i < nchans; i++) { |
| 138 | dfs_mlme_get_dfs_ch_channels(dfs->dfs_pdev_obj, |
| 139 | &(c->dfs_ch_freq), |
| 140 | &(c->dfs_ch_flags), |
| 141 | &(c->dfs_ch_flagext), |
| 142 | &(c->dfs_ch_ieee), |
| 143 | &(c->dfs_ch_vhtop_ch_freq_seg1), |
| 144 | &(c->dfs_ch_vhtop_ch_freq_seg2), |
| 145 | i); |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 146 | if (WLAN_IS_CHAN_RADAR(c)) { |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 147 | if (qdf_system_time_after_eq(now, |
| 148 | dfs->dfs_nol_event[i] + |
| 149 | dfs_get_nol_timeout(dfs))) { |
| 150 | c->dfs_ch_flagext &= |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 151 | ~WLAN_CHAN_DFS_RADAR_FOUND; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 152 | if (c->dfs_ch_flags & |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 153 | WLAN_CHAN_DFS_RADAR) { |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 154 | /* |
| 155 | * NB: do this here so we get only one |
| 156 | * msg instead of one for every channel |
| 157 | * table entry. |
| 158 | */ |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 159 | dfs_debug(dfs, WLAN_DEBUG_DFS, |
| 160 | "radar on channel %u (%u MHz) cleared after timeout", |
| 161 | |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 162 | c->dfs_ch_ieee, |
| 163 | c->dfs_ch_freq); |
| 164 | } |
| 165 | } else if (dfs->dfs_nol_event[i] < oldest) |
| 166 | oldest = dfs->dfs_nol_event[i]; |
| 167 | } |
| 168 | } |
| 169 | if (oldest != now) { |
| 170 | /* Arrange to process next channel up for a status change. */ |
| 171 | qdf_timer_mod(&dfs->dfs_nol_timer, |
| 172 | dfs_get_nol_timeout(dfs) - |
| 173 | qdf_system_ticks_to_msecs(qdf_system_ticks())); |
| 174 | } |
| 175 | } |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 176 | #endif |
| 177 | #endif |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 178 | |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 179 | /** |
| 180 | * dfs_nol_elem_free_work_cb - Free NOL element |
| 181 | * |
| 182 | * Free the NOL element memory |
| 183 | */ |
| 184 | static void dfs_nol_elem_free_work_cb(void *context) |
| 185 | { |
| 186 | struct wlan_dfs *dfs = (struct wlan_dfs *)context; |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 187 | struct dfs_nolelem *nol_head; |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 188 | |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 189 | while (true) { |
| 190 | WLAN_DFSNOL_LOCK(dfs); |
| 191 | |
| 192 | nol_head = TAILQ_FIRST(&dfs->dfs_nol_free_list); |
| 193 | if (nol_head) { |
| 194 | TAILQ_REMOVE(&dfs->dfs_nol_free_list, nol_head, |
| 195 | nolelem_list); |
Priyadarshnee S | 79a84bd | 2018-09-05 16:21:52 +0530 | [diff] [blame] | 196 | WLAN_DFSNOL_UNLOCK(dfs); |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 197 | |
| 198 | qdf_timer_free(&nol_head->nol_timer); |
| 199 | qdf_mem_free(nol_head); |
| 200 | } else { |
| 201 | WLAN_DFSNOL_UNLOCK(dfs); |
| 202 | break; |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 203 | } |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 204 | } |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 205 | } |
| 206 | |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 207 | void dfs_nol_timer_init(struct wlan_dfs *dfs) |
| 208 | { |
| 209 | qdf_timer_init(NULL, |
| 210 | &(dfs->dfs_nol_timer), |
| 211 | dfs_nol_timeout, |
| 212 | (void *)(dfs), |
| 213 | QDF_TIMER_TYPE_WAKE_APPS); |
| 214 | } |
| 215 | |
| 216 | void dfs_nol_attach(struct wlan_dfs *dfs) |
| 217 | { |
Arif Hussain | 877f323 | 2017-08-09 16:05:03 -0700 | [diff] [blame] | 218 | dfs->wlan_dfs_nol_timeout = DFS_NOL_TIMEOUT_S; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 219 | dfs_nol_timer_init(dfs); |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 220 | qdf_create_work(NULL, &dfs->dfs_nol_elem_free_work, |
| 221 | dfs_nol_elem_free_work_cb, dfs); |
| 222 | TAILQ_INIT(&dfs->dfs_nol_free_list); |
Shaakir Mohamed | 6f35bb0 | 2017-09-15 15:52:21 -0700 | [diff] [blame] | 223 | dfs->dfs_use_nol = 1; |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 224 | WLAN_DFSNOL_LOCK_CREATE(dfs); |
| 225 | } |
| 226 | |
| 227 | void dfs_nol_detach(struct wlan_dfs *dfs) |
| 228 | { |
bings | aa1810a | 2018-01-18 14:14:41 +0800 | [diff] [blame] | 229 | dfs_nol_timer_cleanup(dfs); |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 230 | qdf_flush_work(&dfs->dfs_nol_elem_free_work); |
| 231 | qdf_destroy_work(NULL, &dfs->dfs_nol_elem_free_work); |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 232 | WLAN_DFSNOL_LOCK_DESTROY(dfs); |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 233 | } |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 234 | |
Shashikala Prabhu | 294c9b6 | 2018-08-14 12:28:27 +0530 | [diff] [blame] | 235 | void dfs_nol_timer_detach(struct wlan_dfs *dfs) |
Abhijit Pradhan | 01abdac | 2018-07-24 18:03:50 +0530 | [diff] [blame] | 236 | { |
| 237 | qdf_timer_free(&dfs->dfs_nol_timer); |
| 238 | } |
| 239 | |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 240 | /** |
| 241 | * dfs_nol_delete() - Delete the given frequency/chwidth from the NOL. |
| 242 | * @dfs: Pointer to wlan_dfs structure. |
| 243 | * @delfreq: Freq to delete. |
| 244 | * @delchwidth: Channel width to delete. |
| 245 | */ |
| 246 | static void dfs_nol_delete(struct wlan_dfs *dfs, |
| 247 | uint16_t delfreq, |
| 248 | uint16_t delchwidth) |
| 249 | { |
| 250 | struct dfs_nolelem *nol, **prev_next; |
| 251 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 252 | if (!dfs) { |
| 253 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 254 | return; |
| 255 | } |
| 256 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 257 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 258 | "remove channel=%d/%d MHz from NOL", |
| 259 | delfreq, delchwidth); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 260 | prev_next = &(dfs->dfs_nol); |
| 261 | nol = dfs->dfs_nol; |
Jeff Johnson | cba07b4 | 2019-03-20 12:14:17 -0700 | [diff] [blame] | 262 | while (nol) { |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 263 | if (nol->nol_freq == delfreq && |
| 264 | nol->nol_chwidth == delchwidth) { |
| 265 | *prev_next = nol->nol_next; |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 266 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 267 | "removing channel %d/%dMHz from NOL tstamp=%d", |
| 268 | nol->nol_freq, |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 269 | nol->nol_chwidth, |
| 270 | (qdf_system_ticks_to_msecs |
| 271 | (qdf_system_ticks()) / 1000)); |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 272 | TAILQ_INSERT_TAIL(&dfs->dfs_nol_free_list, |
| 273 | nol, nolelem_list); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 274 | nol = *prev_next; |
| 275 | |
| 276 | /* Update the NOL counter. */ |
| 277 | dfs->dfs_nol_count--; |
| 278 | |
| 279 | /* Be paranoid! */ |
| 280 | if (dfs->dfs_nol_count < 0) { |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 281 | dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, "dfs_nol_count < 0; eek!"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 282 | dfs->dfs_nol_count = 0; |
| 283 | } |
| 284 | |
| 285 | } else { |
| 286 | prev_next = &(nol->nol_next); |
| 287 | nol = nol->nol_next; |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * dfs_remove_from_nol() - Remove the freq from NOL list. |
| 294 | * |
| 295 | * When NOL times out, this function removes the channel from NOL list. |
| 296 | */ |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 297 | #ifdef CONFIG_CHAN_FREQ_API |
| 298 | static os_timer_func(dfs_remove_from_nol) |
| 299 | { |
| 300 | struct dfs_nolelem *nol_arg; |
| 301 | struct wlan_dfs *dfs; |
| 302 | uint16_t delfreq; |
| 303 | uint16_t delchwidth; |
| 304 | uint8_t chan; |
| 305 | |
| 306 | OS_GET_TIMER_ARG(nol_arg, struct dfs_nolelem *); |
| 307 | |
| 308 | dfs = nol_arg->nol_dfs; |
| 309 | delfreq = nol_arg->nol_freq; |
| 310 | delchwidth = nol_arg->nol_chwidth; |
| 311 | |
| 312 | /* Delete the given NOL entry. */ |
| 313 | DFS_NOL_DELETE_CHAN_LOCKED(dfs, delfreq, delchwidth); |
| 314 | |
| 315 | /* Update the wireless stack with the new NOL. */ |
| 316 | dfs_nol_update(dfs); |
| 317 | |
| 318 | dfs_mlme_nol_timeout_notification(dfs->dfs_pdev_obj); |
| 319 | chan = utils_dfs_freq_to_chan(delfreq); |
| 320 | utils_dfs_deliver_event(dfs->dfs_pdev_obj, delfreq, |
| 321 | WLAN_EV_NOL_FINISHED); |
| 322 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 323 | "remove channel %d from nol", chan); |
| 324 | utils_dfs_unmark_precac_nol_for_freq(dfs->dfs_pdev_obj, delfreq); |
| 325 | utils_dfs_reg_update_nol_chan_for_freq(dfs->dfs_pdev_obj, |
| 326 | &delfreq, 1, DFS_NOL_RESET); |
| 327 | utils_dfs_save_nol(dfs->dfs_pdev_obj); |
| 328 | } |
| 329 | #else |
| 330 | #ifdef CONFIG_CHAN_NUM_API |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 331 | static os_timer_func(dfs_remove_from_nol) |
| 332 | { |
Abhijit Pradhan | 0c80b53 | 2017-04-29 19:01:25 +0530 | [diff] [blame] | 333 | struct dfs_nolelem *nol_arg; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 334 | struct wlan_dfs *dfs; |
| 335 | uint16_t delfreq; |
| 336 | uint16_t delchwidth; |
Arif Hussain | a23b014 | 2017-04-25 23:27:54 -0700 | [diff] [blame] | 337 | uint8_t chan; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 338 | |
Abhijit Pradhan | 0c80b53 | 2017-04-29 19:01:25 +0530 | [diff] [blame] | 339 | OS_GET_TIMER_ARG(nol_arg, struct dfs_nolelem *); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 340 | |
Abhijit Pradhan | 0c80b53 | 2017-04-29 19:01:25 +0530 | [diff] [blame] | 341 | dfs = nol_arg->nol_dfs; |
| 342 | delfreq = nol_arg->nol_freq; |
| 343 | delchwidth = nol_arg->nol_chwidth; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 344 | |
| 345 | /* Delete the given NOL entry. */ |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 346 | DFS_NOL_DELETE_CHAN_LOCKED(dfs, delfreq, delchwidth); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 347 | |
| 348 | /* Update the wireless stack with the new NOL. */ |
| 349 | dfs_nol_update(dfs); |
| 350 | |
| 351 | dfs_mlme_nol_timeout_notification(dfs->dfs_pdev_obj); |
Arif Hussain | a23b014 | 2017-04-25 23:27:54 -0700 | [diff] [blame] | 352 | chan = utils_dfs_freq_to_chan(delfreq); |
phadiman | b68fa39 | 2018-11-22 16:35:55 +0530 | [diff] [blame] | 353 | utils_dfs_deliver_event(dfs->dfs_pdev_obj, delfreq, |
| 354 | WLAN_EV_NOL_FINISHED); |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 355 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 356 | "remove channel %d from nol", chan); |
Vignesh Mohan | 242d8de | 2019-05-21 15:01:07 +0530 | [diff] [blame] | 357 | utils_dfs_unmark_precac_nol(dfs->dfs_pdev_obj, chan); |
Arif Hussain | 8d88af5 | 2017-02-26 21:25:42 -0800 | [diff] [blame] | 358 | utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, |
bings | 276c0f1 | 2018-01-19 14:35:34 +0800 | [diff] [blame] | 359 | &chan, 1, DFS_NOL_RESET); |
Arif Hussain | 6dfa7ee | 2017-10-10 17:03:26 -0700 | [diff] [blame] | 360 | utils_dfs_save_nol(dfs->dfs_pdev_obj); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 361 | } |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 362 | #endif |
| 363 | #endif |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 364 | |
| 365 | void dfs_print_nol(struct wlan_dfs *dfs) |
| 366 | { |
| 367 | struct dfs_nolelem *nol; |
| 368 | int i = 0; |
| 369 | uint32_t diff_ms, remaining_sec; |
| 370 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 371 | if (!dfs) { |
| 372 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 373 | return; |
| 374 | } |
| 375 | |
| 376 | nol = dfs->dfs_nol; |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 377 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, "NOL"); |
Jeff Johnson | cba07b4 | 2019-03-20 12:14:17 -0700 | [diff] [blame] | 378 | while (nol) { |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 379 | diff_ms = qdf_system_ticks_to_msecs(qdf_system_ticks() - |
| 380 | nol->nol_start_ticks); |
| 381 | diff_ms = (nol->nol_timeout_ms - diff_ms); |
| 382 | remaining_sec = diff_ms / 1000; /* Convert to seconds */ |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 383 | dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| 384 | "nol:%d channel=%d MHz width=%d MHz time left=%u seconds nol starttick=%llu", |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 385 | i++, nol->nol_freq, |
| 386 | nol->nol_chwidth, |
| 387 | remaining_sec, |
| 388 | (uint64_t)nol->nol_start_ticks); |
| 389 | nol = nol->nol_next; |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | void dfs_print_nolhistory(struct wlan_dfs *dfs) |
| 394 | { |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 395 | struct dfs_channel *chan_list; |
| 396 | int i, j; |
| 397 | int nchans; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 398 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 399 | if (!dfs) { |
| 400 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 401 | return; |
| 402 | } |
| 403 | |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 404 | nchans = dfs_get_num_chans(); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 405 | |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 406 | chan_list = qdf_mem_malloc(nchans * sizeof(*chan_list)); |
| 407 | if (!chan_list) |
| 408 | return; |
| 409 | |
| 410 | utils_dfs_get_nol_history_chan_list(dfs->dfs_pdev_obj, |
| 411 | (void *)chan_list, &nchans); |
| 412 | if (!nchans) { |
| 413 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "zero chans"); |
| 414 | qdf_mem_free(chan_list); |
| 415 | return; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 416 | } |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 417 | |
| 418 | for (i = 0, j = 0; i < nchans; i++, j++) |
| 419 | dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| 420 | "nolhistory = %d channel = %d MHz", |
| 421 | j, chan_list[i].dfs_ch_freq); |
| 422 | |
| 423 | qdf_mem_free(chan_list); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | void dfs_get_nol(struct wlan_dfs *dfs, |
| 427 | struct dfsreq_nolelem *dfs_nol, |
| 428 | int *nchan) |
| 429 | { |
| 430 | struct dfs_nolelem *nol; |
| 431 | |
| 432 | *nchan = 0; |
| 433 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 434 | if (!dfs) { |
| 435 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 436 | return; |
| 437 | } |
| 438 | |
| 439 | nol = dfs->dfs_nol; |
Jeff Johnson | cba07b4 | 2019-03-20 12:14:17 -0700 | [diff] [blame] | 440 | while (nol) { |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 441 | dfs_nol[*nchan].nol_freq = nol->nol_freq; |
| 442 | dfs_nol[*nchan].nol_chwidth = nol->nol_chwidth; |
| 443 | dfs_nol[*nchan].nol_start_ticks = nol->nol_start_ticks; |
| 444 | dfs_nol[*nchan].nol_timeout_ms = nol->nol_timeout_ms; |
| 445 | ++(*nchan); |
| 446 | nol = nol->nol_next; |
| 447 | } |
| 448 | } |
| 449 | |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 450 | #ifdef CONFIG_CHAN_FREQ_API |
| 451 | void dfs_set_nol(struct wlan_dfs *dfs, |
| 452 | struct dfsreq_nolelem *dfs_nol, |
| 453 | int nchan) |
| 454 | { |
| 455 | #define TIME_IN_MS 1000 |
| 456 | uint32_t nol_time_lft_ms; |
| 457 | struct dfs_channel chan; |
| 458 | int i; |
| 459 | |
| 460 | if (!dfs) { |
| 461 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
| 462 | return; |
| 463 | } |
| 464 | |
| 465 | for (i = 0; i < nchan; i++) { |
| 466 | nol_time_lft_ms = |
| 467 | qdf_system_ticks_to_msecs(qdf_system_ticks() - |
| 468 | dfs_nol[i].nol_start_ticks); |
| 469 | |
| 470 | if (nol_time_lft_ms < dfs_nol[i].nol_timeout_ms) { |
| 471 | chan.dfs_ch_freq = dfs_nol[i].nol_freq; |
| 472 | chan.dfs_ch_flags = 0; |
| 473 | chan.dfs_ch_flagext = 0; |
| 474 | nol_time_lft_ms = |
| 475 | (dfs_nol[i].nol_timeout_ms - nol_time_lft_ms); |
| 476 | |
| 477 | DFS_NOL_ADD_CHAN_LOCKED(dfs, chan.dfs_ch_freq, |
| 478 | (nol_time_lft_ms / TIME_IN_MS)); |
| 479 | utils_dfs_reg_update_nol_chan_for_freq(dfs->dfs_pdev_obj, |
| 480 | &chan.dfs_ch_freq, |
| 481 | 1, DFS_NOL_SET); |
| 482 | } |
| 483 | } |
| 484 | #undef TIME_IN_MS |
| 485 | dfs_nol_update(dfs); |
| 486 | } |
| 487 | #else |
| 488 | #ifdef CONFIG_CHAN_NUM_API |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 489 | void dfs_set_nol(struct wlan_dfs *dfs, |
| 490 | struct dfsreq_nolelem *dfs_nol, |
| 491 | int nchan) |
| 492 | { |
| 493 | #define TIME_IN_MS 1000 |
| 494 | uint32_t nol_time_left_ms; |
Shashikala Prabhu | a072dc5 | 2017-11-29 12:03:20 +0530 | [diff] [blame] | 495 | struct dfs_channel chan; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 496 | int i; |
bings | 276c0f1 | 2018-01-19 14:35:34 +0800 | [diff] [blame] | 497 | uint8_t chan_num; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 498 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 499 | if (!dfs) { |
| 500 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 501 | return; |
| 502 | } |
| 503 | |
| 504 | for (i = 0; i < nchan; i++) { |
| 505 | nol_time_left_ms = |
| 506 | qdf_system_ticks_to_msecs(qdf_system_ticks() - |
| 507 | dfs_nol[i].nol_start_ticks); |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 508 | |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 509 | if (nol_time_left_ms < dfs_nol[i].nol_timeout_ms) { |
Abhijit Pradhan | 7dc3900 | 2017-05-29 20:43:03 +0530 | [diff] [blame] | 510 | chan.dfs_ch_freq = dfs_nol[i].nol_freq; |
| 511 | chan.dfs_ch_flags = 0; |
| 512 | chan.dfs_ch_flagext = 0; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 513 | nol_time_left_ms = |
| 514 | (dfs_nol[i].nol_timeout_ms - nol_time_left_ms); |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 515 | |
| 516 | DFS_NOL_ADD_CHAN_LOCKED(dfs, chan.dfs_ch_freq, |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 517 | (nol_time_left_ms / TIME_IN_MS)); |
bings | 276c0f1 | 2018-01-19 14:35:34 +0800 | [diff] [blame] | 518 | chan_num = utils_dfs_freq_to_chan(chan.dfs_ch_freq); |
| 519 | utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, |
| 520 | &chan_num, 1, DFS_NOL_SET); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 521 | } |
| 522 | } |
| 523 | #undef TIME_IN_MS |
| 524 | dfs_nol_update(dfs); |
| 525 | } |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 526 | #endif |
| 527 | #endif |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 528 | |
| 529 | void dfs_nol_addchan(struct wlan_dfs *dfs, |
| 530 | uint16_t freq, |
| 531 | uint32_t dfs_nol_timeout) |
| 532 | { |
| 533 | #define TIME_IN_MS 1000 |
| 534 | #define TIME_IN_US (TIME_IN_MS * 1000) |
| 535 | struct dfs_nolelem *nol, *elem, *prev; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 536 | /* For now, assume all events are 20MHz wide. */ |
| 537 | int ch_width = 20; |
| 538 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 539 | if (!dfs) { |
| 540 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 541 | return; |
| 542 | } |
| 543 | nol = dfs->dfs_nol; |
| 544 | prev = dfs->dfs_nol; |
| 545 | elem = NULL; |
Jeff Johnson | cba07b4 | 2019-03-20 12:14:17 -0700 | [diff] [blame] | 546 | while (nol) { |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 547 | if ((nol->nol_freq == freq) && |
| 548 | (nol->nol_chwidth == ch_width)) { |
| 549 | nol->nol_start_ticks = qdf_system_ticks(); |
| 550 | nol->nol_timeout_ms = dfs_nol_timeout * TIME_IN_MS; |
| 551 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 552 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 553 | "Update OS Ticks for NOL %d MHz / %d MHz", |
| 554 | nol->nol_freq, nol->nol_chwidth); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 555 | |
| 556 | qdf_timer_stop(&nol->nol_timer); |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 557 | qdf_timer_mod(&nol->nol_timer, |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 558 | dfs_nol_timeout * TIME_IN_MS); |
| 559 | return; |
| 560 | } |
| 561 | prev = nol; |
| 562 | nol = nol->nol_next; |
| 563 | } |
| 564 | |
| 565 | /* Add a new element to the NOL. */ |
| 566 | elem = (struct dfs_nolelem *)qdf_mem_malloc(sizeof(struct dfs_nolelem)); |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 567 | if (!elem) |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 568 | goto bad; |
| 569 | |
Abhijit Pradhan | 93caac7 | 2018-03-09 11:42:06 +0530 | [diff] [blame] | 570 | qdf_mem_zero(elem, sizeof(*elem)); |
Abhijit Pradhan | 0c80b53 | 2017-04-29 19:01:25 +0530 | [diff] [blame] | 571 | elem->nol_dfs = dfs; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 572 | elem->nol_freq = freq; |
| 573 | elem->nol_chwidth = ch_width; |
| 574 | elem->nol_start_ticks = qdf_system_ticks(); |
| 575 | elem->nol_timeout_ms = dfs_nol_timeout*TIME_IN_MS; |
| 576 | elem->nol_next = NULL; |
| 577 | if (prev) { |
| 578 | prev->nol_next = elem; |
| 579 | } else { |
| 580 | /* This is the first element in the NOL. */ |
| 581 | dfs->dfs_nol = elem; |
| 582 | } |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 583 | |
| 584 | qdf_timer_init(NULL, |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 585 | &elem->nol_timer, dfs_remove_from_nol, |
| 586 | elem, QDF_TIMER_TYPE_WAKE_APPS); |
| 587 | |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 588 | qdf_timer_mod(&elem->nol_timer, dfs_nol_timeout * TIME_IN_MS); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 589 | |
| 590 | /* Update the NOL counter. */ |
| 591 | dfs->dfs_nol_count++; |
| 592 | |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 593 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, |
| 594 | "new NOL channel %d MHz / %d MHz", |
| 595 | elem->nol_freq, elem->nol_chwidth); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 596 | return; |
| 597 | |
| 598 | bad: |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 599 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL | WLAN_DEBUG_DFS, |
| 600 | "failed to allocate memory for nol entry"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 601 | |
| 602 | #undef TIME_IN_MS |
| 603 | #undef TIME_IN_US |
| 604 | } |
| 605 | |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 606 | void dfs_get_nol_chfreq_and_chwidth(struct dfsreq_nolelem *dfs_nol, |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 607 | uint32_t *nol_chfreq, |
| 608 | uint32_t *nol_chwidth, |
| 609 | int index) |
| 610 | { |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 611 | if (!dfs_nol) |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 612 | return; |
| 613 | |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 614 | *nol_chfreq = dfs_nol[index].nol_freq; |
| 615 | *nol_chwidth = dfs_nol[index].nol_chwidth; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | void dfs_nol_update(struct wlan_dfs *dfs) |
| 619 | { |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 620 | struct dfsreq_nolelem *dfs_nol; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 621 | int nlen; |
| 622 | |
Shashikala Prabhu | cf7d57c | 2018-09-17 14:27:47 +0530 | [diff] [blame] | 623 | if (!dfs->dfs_nol_count) { |
| 624 | dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, "dfs_nol_count is zero"); |
Priyadarshnee S | b386080 | 2018-10-17 13:18:18 +0530 | [diff] [blame] | 625 | dfs_mlme_clist_update(dfs->dfs_pdev_obj, NULL, 0); |
Shashikala Prabhu | cf7d57c | 2018-09-17 14:27:47 +0530 | [diff] [blame] | 626 | return; |
| 627 | } |
| 628 | |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 629 | /* |
| 630 | * Allocate enough entries to store the NOL. At least on Linux |
| 631 | * (don't ask why), if you allocate a 0 entry array, the |
| 632 | * returned pointer is 0x10. Make sure you're aware of this |
| 633 | * when you start debugging. |
| 634 | */ |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 635 | dfs_nol = (struct dfsreq_nolelem *)qdf_mem_malloc( |
| 636 | sizeof(struct dfsreq_nolelem) * dfs->dfs_nol_count); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 637 | |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 638 | /* |
| 639 | * XXX TODO: if this fails, just schedule a task to retry |
| 640 | * updating the NOL at a later stage. That way the NOL |
| 641 | * update _DOES_ happen - hopefully the failure was just |
| 642 | * temporary. |
| 643 | */ |
| 644 | if (!dfs_nol) |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 645 | return; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 646 | |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 647 | DFS_GET_NOL_LOCKED(dfs, dfs_nol, &nlen); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 648 | |
| 649 | /* Be suitably paranoid for now. */ |
| 650 | if (nlen != dfs->dfs_nol_count) |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 651 | dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, "nlen (%d) != dfs->dfs_nol_count (%d)!", |
| 652 | nlen, dfs->dfs_nol_count); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 653 | |
| 654 | /* |
| 655 | * Call the driver layer to have it recalculate the NOL flags |
| 656 | * for each driver/umac channel. If the list is empty, pass |
| 657 | * NULL instead of dfs_nol. The operating system may have some |
| 658 | * special representation for "malloc a 0 byte memory region" |
| 659 | * - for example, Linux 2.6.38-13 (ubuntu) returns 0x10 rather |
| 660 | * than a valid allocation (and is likely not NULL so the |
| 661 | * pointer doesn't match NULL checks in any later code. |
| 662 | */ |
| 663 | dfs_mlme_clist_update(dfs->dfs_pdev_obj, |
| 664 | (nlen > 0) ? dfs_nol : NULL, |
| 665 | nlen); |
| 666 | |
| 667 | qdf_mem_free(dfs_nol); |
| 668 | } |
| 669 | |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 670 | void dfs_nol_free_list(struct wlan_dfs *dfs) |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 671 | { |
| 672 | struct dfs_nolelem *nol = dfs->dfs_nol, *prev; |
| 673 | |
| 674 | while (nol) { |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 675 | prev = nol; |
| 676 | nol = nol->nol_next; |
| 677 | qdf_mem_free(prev); |
| 678 | /* Update the NOL counter. */ |
| 679 | dfs->dfs_nol_count--; |
| 680 | |
| 681 | if (dfs->dfs_nol_count < 0) { |
Abhijit Pradhan | 7756158 | 2017-10-05 17:47:57 +0530 | [diff] [blame] | 682 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_nol_count < 0"); |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 683 | ASSERT(0); |
| 684 | } |
| 685 | } |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 686 | |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 687 | dfs->dfs_nol = NULL; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 688 | } |
| 689 | |
Vignesh Mohan | 2220048 | 2019-10-14 10:58:17 +0530 | [diff] [blame] | 690 | #ifdef CONFIG_CHAN_FREQ_API |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 691 | void dfs_nol_timer_cleanup(struct wlan_dfs *dfs) |
| 692 | { |
| 693 | struct dfs_nolelem *nol; |
Vignesh Mohan | 2220048 | 2019-10-14 10:58:17 +0530 | [diff] [blame] | 694 | uint16_t nol_freq; |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 695 | |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 696 | while (true) { |
Abhijit Pradhan | 01abdac | 2018-07-24 18:03:50 +0530 | [diff] [blame] | 697 | WLAN_DFSNOL_LOCK(dfs); |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 698 | |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 699 | nol = dfs->dfs_nol; |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 700 | if (nol) { |
| 701 | dfs->dfs_nol = nol->nol_next; |
| 702 | dfs->dfs_nol_count--; |
Vignesh Mohan | 2220048 | 2019-10-14 10:58:17 +0530 | [diff] [blame] | 703 | nol_freq = nol->nol_freq; |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 704 | WLAN_DFSNOL_UNLOCK(dfs); |
Vignesh Mohan | 2220048 | 2019-10-14 10:58:17 +0530 | [diff] [blame] | 705 | utils_dfs_reg_update_nol_chan_for_freq( |
| 706 | dfs->dfs_pdev_obj, |
| 707 | &nol_freq, |
| 708 | 1, |
| 709 | DFS_NOL_RESET); |
Shashikala Prabhu | e3807d4 | 2018-09-26 12:23:25 +0530 | [diff] [blame] | 710 | |
| 711 | qdf_timer_free(&nol->nol_timer); |
| 712 | qdf_mem_free(nol); |
| 713 | } else { |
| 714 | WLAN_DFSNOL_UNLOCK(dfs); |
| 715 | break; |
| 716 | } |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 717 | } |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 718 | } |
Vignesh Mohan | 2220048 | 2019-10-14 10:58:17 +0530 | [diff] [blame] | 719 | #else |
| 720 | #ifdef CONFIG_CHAN_NUM_API |
| 721 | void dfs_nol_timer_cleanup(struct wlan_dfs *dfs) |
| 722 | { |
| 723 | struct dfs_nolelem *nol; |
| 724 | uint8_t nol_chan; |
| 725 | |
| 726 | while (true) { |
| 727 | WLAN_DFSNOL_LOCK(dfs); |
| 728 | |
| 729 | nol = dfs->dfs_nol; |
| 730 | if (nol) { |
| 731 | dfs->dfs_nol = nol->nol_next; |
| 732 | dfs->dfs_nol_count--; |
| 733 | nol_chan = utils_dfs_freq_to_chan(nol->nol_freq); |
| 734 | WLAN_DFSNOL_UNLOCK(dfs); |
| 735 | utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, |
| 736 | &nol_chan, |
| 737 | 1, |
| 738 | DFS_NOL_RESET); |
| 739 | |
| 740 | qdf_timer_free(&nol->nol_timer); |
| 741 | qdf_mem_free(nol); |
| 742 | } else { |
| 743 | WLAN_DFSNOL_UNLOCK(dfs); |
| 744 | break; |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | #endif |
| 749 | #endif |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 750 | |
Abhijit Pradhan | f8e62c0 | 2018-01-23 09:47:20 +0530 | [diff] [blame] | 751 | void dfs_nol_workqueue_cleanup(struct wlan_dfs *dfs) |
| 752 | { |
| 753 | qdf_flush_work(&dfs->dfs_nol_elem_free_work); |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 754 | } |
| 755 | |
Shaakir Mohamed | 6f35bb0 | 2017-09-15 15:52:21 -0700 | [diff] [blame] | 756 | int dfs_get_use_nol(struct wlan_dfs *dfs) |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 757 | { |
Shaakir Mohamed | 6f35bb0 | 2017-09-15 15:52:21 -0700 | [diff] [blame] | 758 | return dfs->dfs_use_nol; |
Abhijit Pradhan | 49f6943 | 2017-03-08 17:27:17 +0530 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | int dfs_get_nol_timeout(struct wlan_dfs *dfs) |
| 762 | { |
| 763 | return dfs->wlan_dfs_nol_timeout; |
| 764 | } |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 765 | |
| 766 | void dfs_getnol(struct wlan_dfs *dfs, void *dfs_nolinfo) |
| 767 | { |
| 768 | struct dfsreq_nolinfo *nolinfo = (struct dfsreq_nolinfo *)dfs_nolinfo; |
| 769 | |
Abhijit Pradhan | 6744161 | 2018-01-02 21:46:25 +0530 | [diff] [blame] | 770 | DFS_GET_NOL_LOCKED(dfs, nolinfo->dfs_nol, &(nolinfo->dfs_ch_nchans)); |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 771 | } |
| 772 | |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 773 | #ifdef CONFIG_CHAN_FREQ_API |
| 774 | void dfs_clear_nolhistory(struct wlan_dfs *dfs) |
| 775 | { |
| 776 | struct dfs_channel *chan_list; |
| 777 | int nchans = 0; |
| 778 | bool sta_opmode; |
| 779 | |
| 780 | if (!dfs->dfs_is_stadfs_enabled) |
| 781 | return; |
| 782 | |
| 783 | sta_opmode = dfs_mlme_is_opmode_sta(dfs->dfs_pdev_obj); |
| 784 | if (!sta_opmode) |
| 785 | return; |
| 786 | |
| 787 | nchans = dfs_get_num_chans(); |
| 788 | |
| 789 | chan_list = qdf_mem_malloc(nchans * sizeof(*chan_list)); |
| 790 | if (!chan_list) |
| 791 | return; |
| 792 | |
| 793 | utils_dfs_get_nol_history_chan_list(dfs->dfs_pdev_obj, |
| 794 | (void *)chan_list, &nchans); |
| 795 | if (!nchans) { |
| 796 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "zero chans"); |
| 797 | qdf_mem_free(chan_list); |
| 798 | return; |
| 799 | } |
| 800 | |
| 801 | utils_dfs_reg_update_nol_history_chan_for_freq(dfs->dfs_pdev_obj, |
| 802 | (void *)chan_list, nchans, |
| 803 | DFS_NOL_HISTORY_RESET); |
| 804 | |
| 805 | qdf_mem_free(chan_list); |
| 806 | } |
| 807 | #else |
| 808 | #ifdef CONFIG_CHAN_NUM_API |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 809 | void dfs_clear_nolhistory(struct wlan_dfs *dfs) |
| 810 | { |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 811 | struct dfs_channel *chan_list; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 812 | int nchans = 0; |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 813 | bool sta_opmode; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 814 | |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 815 | if (!dfs->dfs_is_stadfs_enabled) |
| 816 | return; |
| 817 | |
| 818 | sta_opmode = dfs_mlme_is_opmode_sta(dfs->dfs_pdev_obj); |
| 819 | if (!sta_opmode) |
| 820 | return; |
| 821 | |
| 822 | nchans = dfs_get_num_chans(); |
| 823 | |
| 824 | chan_list = qdf_mem_malloc(nchans * sizeof(*chan_list)); |
| 825 | if (!chan_list) |
| 826 | return; |
| 827 | |
| 828 | utils_dfs_get_nol_history_chan_list(dfs->dfs_pdev_obj, |
| 829 | (void *)chan_list, &nchans); |
| 830 | if (!nchans) { |
| 831 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "zero chans"); |
| 832 | qdf_mem_free(chan_list); |
| 833 | return; |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 834 | } |
Shashikala Prabhu | 62ce226 | 2018-10-24 08:45:34 +0530 | [diff] [blame] | 835 | |
| 836 | utils_dfs_reg_update_nol_history_ch(dfs->dfs_pdev_obj, |
| 837 | (void *)chan_list, nchans, |
| 838 | DFS_NOL_HISTORY_RESET); |
| 839 | |
| 840 | qdf_mem_free(chan_list); |
Abhijit Pradhan | c5152c7 | 2017-06-29 13:27:45 +0530 | [diff] [blame] | 841 | } |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 842 | #endif |
| 843 | #endif |
Vignesh U | 8785b9d | 2018-04-20 22:01:25 +0530 | [diff] [blame] | 844 | |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 845 | #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) && \ |
| 846 | defined(CONFIG_CHAN_FREQ_API) |
| 847 | void dfs_remove_spoof_channel_from_nol(struct wlan_dfs *dfs) |
| 848 | { |
| 849 | struct dfs_nolelem *nol; |
| 850 | uint16_t freq_list[NUM_CHANNELS_160MHZ]; |
| 851 | int i, nchans = 0; |
| 852 | |
| 853 | nchans = dfs_get_bonding_channels_for_freq(dfs, |
| 854 | &dfs->dfs_radar_found_chan, |
| 855 | SEG_ID_PRIMARY, |
| 856 | DETECTOR_ID_0, |
| 857 | freq_list); |
| 858 | |
| 859 | WLAN_DFSNOL_LOCK(dfs); |
| 860 | for (i = 0; i < nchans && i < NUM_CHANNELS_160MHZ; i++) { |
| 861 | nol = dfs->dfs_nol; |
| 862 | while (nol) { |
| 863 | if (nol->nol_freq == freq_list[i]) { |
| 864 | OS_SET_TIMER(&nol->nol_timer, 0); |
| 865 | break; |
| 866 | } |
| 867 | nol = nol->nol_next; |
| 868 | } |
| 869 | } |
| 870 | WLAN_DFSNOL_UNLOCK(dfs); |
| 871 | |
| 872 | utils_dfs_reg_update_nol_chan_for_freq(dfs->dfs_pdev_obj, |
| 873 | freq_list, nchans, DFS_NOL_RESET); |
| 874 | } |
| 875 | #else |
| 876 | #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) && \ |
| 877 | defined(CONFIG_CHAN_NUM_API) |
Vignesh U | 8785b9d | 2018-04-20 22:01:25 +0530 | [diff] [blame] | 878 | void dfs_remove_spoof_channel_from_nol(struct wlan_dfs *dfs) |
| 879 | { |
| 880 | struct dfs_nolelem *nol; |
| 881 | uint8_t channels[NUM_CHANNELS_160MHZ]; |
| 882 | int i, nchans = 0; |
| 883 | |
Vignesh Mohan | 56a6f31 | 2019-06-18 14:23:12 +0530 | [diff] [blame] | 884 | nchans = dfs_get_bonding_channels(dfs, |
| 885 | &dfs->dfs_radar_found_chan, |
| 886 | SEG_ID_PRIMARY, |
| 887 | DETECTOR_ID_0, |
Vignesh U | 8785b9d | 2018-04-20 22:01:25 +0530 | [diff] [blame] | 888 | channels); |
| 889 | |
| 890 | WLAN_DFSNOL_LOCK(dfs); |
| 891 | for (i = 0; i < nchans && i < NUM_CHANNELS_160MHZ; i++) { |
| 892 | nol = dfs->dfs_nol; |
| 893 | while (nol) { |
| 894 | if (nol->nol_freq == (uint16_t)utils_dfs_chan_to_freq( |
| 895 | channels[i])) { |
| 896 | OS_SET_TIMER(&nol->nol_timer, 0); |
| 897 | break; |
| 898 | } |
| 899 | nol = nol->nol_next; |
| 900 | } |
| 901 | } |
| 902 | WLAN_DFSNOL_UNLOCK(dfs); |
Abhijit Pradhan | 45098b9 | 2018-06-07 16:24:28 +0530 | [diff] [blame] | 903 | |
| 904 | utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, |
| 905 | channels, nchans, DFS_NOL_RESET); |
Vignesh U | 8785b9d | 2018-04-20 22:01:25 +0530 | [diff] [blame] | 906 | } |
| 907 | #endif |
Priyadarshnee S | 38da66f | 2019-10-09 14:33:18 +0530 | [diff] [blame] | 908 | #endif |
Vignesh Mohan | 86eba59 | 2019-10-23 17:34:14 +0530 | [diff] [blame] | 909 | |
| 910 | void dfs_init_tmp_psoc_nol(struct wlan_dfs *dfs, uint8_t num_radios) |
| 911 | { |
| 912 | struct dfs_soc_priv_obj *dfs_soc_obj = dfs->dfs_soc_obj; |
| 913 | |
| 914 | if (WLAN_UMAC_MAX_PDEVS < num_radios) { |
| 915 | dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, |
| 916 | "num_radios (%u) exceeds limit", num_radios); |
| 917 | return; |
| 918 | } |
| 919 | |
| 920 | /* Allocate the temporary psoc NOL copy structure for the number |
| 921 | * of radios provided. |
| 922 | */ |
| 923 | dfs_soc_obj->dfs_psoc_nolinfo = |
| 924 | qdf_mem_malloc(sizeof(struct dfsreq_nolinfo) * num_radios); |
| 925 | } |
| 926 | |
| 927 | void dfs_deinit_tmp_psoc_nol(struct wlan_dfs *dfs) |
| 928 | { |
| 929 | struct dfs_soc_priv_obj *dfs_soc_obj = dfs->dfs_soc_obj; |
| 930 | |
| 931 | if (!dfs_soc_obj->dfs_psoc_nolinfo) |
| 932 | return; |
| 933 | |
| 934 | qdf_mem_free(dfs_soc_obj->dfs_psoc_nolinfo); |
| 935 | dfs_soc_obj->dfs_psoc_nolinfo = NULL; |
| 936 | } |
| 937 | |
| 938 | void dfs_save_dfs_nol_in_psoc(struct wlan_dfs *dfs, |
| 939 | uint8_t pdev_id, |
| 940 | uint16_t low_5ghz_freq, |
| 941 | uint16_t high_5ghz_freq) |
| 942 | { |
| 943 | struct dfs_soc_priv_obj *dfs_soc_obj = dfs->dfs_soc_obj; |
| 944 | struct dfsreq_nolinfo tmp_nolinfo, *nolinfo; |
| 945 | uint32_t i, num_chans = 0; |
| 946 | uint16_t tmp_freq; |
| 947 | |
| 948 | if (!dfs->dfs_nol_count) |
| 949 | return; |
| 950 | |
| 951 | if (!dfs_soc_obj->dfs_psoc_nolinfo) |
| 952 | return; |
| 953 | |
| 954 | nolinfo = &dfs_soc_obj->dfs_psoc_nolinfo[pdev_id]; |
| 955 | /* Fetch the NOL entries for the DFS object. */ |
| 956 | dfs_getnol(dfs, &tmp_nolinfo); |
| 957 | |
| 958 | /* nolinfo might already have some data. Do not overwrite it */ |
| 959 | num_chans = nolinfo->dfs_ch_nchans; |
| 960 | for (i = 0; i < tmp_nolinfo.dfs_ch_nchans; i++) { |
| 961 | tmp_freq = tmp_nolinfo.dfs_nol[i].nol_freq; |
| 962 | |
| 963 | /* Add to nolinfo only if within the pdev's frequency range. */ |
| 964 | if ((low_5ghz_freq < tmp_freq) && (high_5ghz_freq > tmp_freq)) { |
| 965 | /* Figure out the completed duration of each NOL. */ |
| 966 | uint32_t nol_completed_ms = |
| 967 | qdf_system_ticks_to_msecs(qdf_system_ticks() - |
| 968 | tmp_nolinfo.dfs_nol[i].nol_start_ticks); |
| 969 | |
| 970 | nolinfo->dfs_nol[num_chans] = tmp_nolinfo.dfs_nol[i]; |
| 971 | /* Remember the remaining NOL time in the timeout |
| 972 | * variable. |
| 973 | */ |
| 974 | nolinfo->dfs_nol[num_chans++].nol_timeout_ms -= |
| 975 | nol_completed_ms; |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | nolinfo->dfs_ch_nchans = num_chans; |
| 980 | } |
| 981 | |
| 982 | void dfs_reinit_nol_from_psoc_copy(struct wlan_dfs *dfs, uint8_t pdev_id) |
| 983 | { |
| 984 | struct dfs_soc_priv_obj *dfs_soc_obj = dfs->dfs_soc_obj; |
| 985 | struct dfsreq_nolinfo *nol; |
| 986 | uint8_t i; |
| 987 | |
| 988 | if (!dfs_soc_obj->dfs_psoc_nolinfo) |
| 989 | return; |
| 990 | |
| 991 | if (!dfs_soc_obj->dfs_psoc_nolinfo[pdev_id].dfs_ch_nchans) |
| 992 | return; |
| 993 | |
| 994 | nol = &dfs_soc_obj->dfs_psoc_nolinfo[pdev_id]; |
| 995 | |
| 996 | /* The NOL timeout value in each entry points to the remaining time |
| 997 | * of the NOL. This is to indicate that the NOL entries are paused |
| 998 | * and are not left to continue. |
| 999 | * While adding these NOL, update the start ticks to current time |
| 1000 | * to avoid losing entries which might have timed out during |
| 1001 | * the pause and resume mechanism. |
| 1002 | */ |
| 1003 | for (i = 0; i < nol->dfs_ch_nchans; i++) |
| 1004 | nol->dfs_nol[i].nol_start_ticks = qdf_system_ticks(); |
| 1005 | dfs_set_nol(dfs, nol->dfs_nol, nol->dfs_ch_nchans); |
| 1006 | } |