Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1 | /* |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 2 | * Copyright (c) 2014-2015 The Linux Foundation. All rights reserved. |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /****************************************************************************** |
| 29 | * wlan_logging_sock_svc.c |
| 30 | * |
| 31 | ******************************************************************************/ |
| 32 | #ifdef WLAN_LOGGING_SOCK_SVC_ENABLE |
Vinay Krishna Eranna | 2c0ac30 | 2014-12-17 15:21:40 +0530 | [diff] [blame] | 33 | #include <linux/rtc.h> |
Vinay Krishna Eranna | 0b11262 | 2014-04-21 20:17:57 +0530 | [diff] [blame] | 34 | #include <vmalloc.h> |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 35 | #include <wlan_nlink_srv.h> |
| 36 | #include <vos_status.h> |
| 37 | #include <vos_trace.h> |
| 38 | #include <wlan_nlink_common.h> |
| 39 | #include <wlan_logging_sock_svc.h> |
| 40 | #include <vos_types.h> |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 41 | #include <kthread.h> |
Rajesh Babu Prathipati | 71e9c44 | 2014-07-01 22:08:29 +0530 | [diff] [blame] | 42 | #include "vos_memory.h" |
Sushant Kaushik | 1ede332 | 2015-07-07 17:26:50 +0530 | [diff] [blame] | 43 | #include <linux/ratelimit.h> |
Ratnam Rachuri | c798dbe | 2015-07-17 11:19:44 +0530 | [diff] [blame] | 44 | #include <asm/arch_timer.h> |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 45 | #include <vos_sched.h> |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 46 | #include <vos_utils.h> |
| 47 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 48 | |
| 49 | #define LOGGING_TRACE(level, args...) \ |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 50 | VOS_TRACE(VOS_MODULE_ID_SVC, level, ## args) |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 51 | |
| 52 | /* Global variables */ |
| 53 | |
| 54 | #define ANI_NL_MSG_LOG_TYPE 89 |
Vinay Krishna Eranna | 8382e0e | 2014-06-18 19:19:58 +0530 | [diff] [blame] | 55 | #define ANI_NL_MSG_READY_IND_TYPE 90 |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 56 | #define ANI_NL_MSG_LOG_PKT_TYPE 91 |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 57 | #define ANI_NL_MSG_FW_LOG_PKT_TYPE 92 |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 58 | #define INVALID_PID -1 |
| 59 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 60 | #define MAX_PKTSTATS_LOG_LENGTH 2048 |
| 61 | #define HOST_PKT_STATS_POST_MASK 0x004 |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 62 | #define MAX_LOGMSG_LENGTH 4096 |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 63 | #define LOGGER_MGMT_DATA_PKT_POST_MASK 0x001 |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 64 | #define HOST_LOG_POST_MASK 0x002 |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 65 | #define LOGGER_FW_LOG_PKT_POST_MASK 0x003 |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 66 | #define LOGGER_FATAL_EVENT_POST_MASK 0x004 |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 67 | #define LOGGER_FW_MEM_DUMP_PKT_POST_MASK 0x005 |
| 68 | #define LOGGER_FW_MEM_DUMP_PKT_POST_DONE_MASK 0x006 |
| 69 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 70 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 71 | #define LOGGER_MAX_DATA_MGMT_PKT_Q_LEN (8) |
| 72 | #define LOGGER_MAX_FW_LOG_PKT_Q_LEN (16) |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 73 | #define LOGGER_MAX_FW_MEM_DUMP_PKT_Q_LEN (32) |
| 74 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 75 | |
Sushant Kaushik | 1ede332 | 2015-07-07 17:26:50 +0530 | [diff] [blame] | 76 | #define NL_BDCAST_RATELIMIT_INTERVAL (5*HZ) |
Sushant Kaushik | 8ddaa38 | 2015-06-23 12:17:25 +0530 | [diff] [blame] | 77 | #define NL_BDCAST_RATELIMIT_BURST 1 |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 78 | #define PTT_MSG_DIAG_CMDS_TYPE 0x5050 |
| 79 | #define DIAG_TYPE_LOGS 1 |
| 80 | |
Sushant Kaushik | 8ddaa38 | 2015-06-23 12:17:25 +0530 | [diff] [blame] | 81 | |
Ratnam Rachuri | c798dbe | 2015-07-17 11:19:44 +0530 | [diff] [blame] | 82 | /* Qtimer Frequency */ |
| 83 | #define QTIMER_FREQ 19200000 |
| 84 | |
Sushant Kaushik | 8ddaa38 | 2015-06-23 12:17:25 +0530 | [diff] [blame] | 85 | static DEFINE_RATELIMIT_STATE(errCnt, \ |
| 86 | NL_BDCAST_RATELIMIT_INTERVAL, \ |
| 87 | NL_BDCAST_RATELIMIT_BURST); |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 88 | /* Timer value for detecting thread stuck issues */ |
| 89 | #define THREAD_STUCK_TIMER_VAL 5000 // 5 seconds |
| 90 | #define THREAD_STUCK_COUNT 3 |
Sushant Kaushik | 8ddaa38 | 2015-06-23 12:17:25 +0530 | [diff] [blame] | 91 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 92 | struct log_msg { |
| 93 | struct list_head node; |
| 94 | unsigned int radio; |
| 95 | unsigned int index; |
| 96 | /* indicates the current filled log length in logbuf */ |
| 97 | unsigned int filled_length; |
| 98 | /* |
| 99 | * Buf to hold the log msg |
| 100 | * tAniHdr + log |
| 101 | */ |
| 102 | char logbuf[MAX_LOGMSG_LENGTH]; |
| 103 | }; |
| 104 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 105 | struct logger_log_complete { |
| 106 | uint32_t is_fatal; |
| 107 | uint32_t indicator; |
| 108 | uint32_t reason_code; |
| 109 | bool is_report_in_progress; |
| 110 | bool is_flush_complete; |
| 111 | }; |
| 112 | |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 113 | struct fw_mem_dump_logging{ |
| 114 | //It will hold the starting point of mem dump buffer |
| 115 | uint8 *fw_dump_start_loc; |
| 116 | //It will hold the current loc to tell how much data filled |
| 117 | uint8 *fw_dump_current_loc; |
| 118 | uint32 fw_dump_max_size; |
| 119 | vos_pkt_t *fw_mem_dump_queue; |
| 120 | /* Holds number of pkts in fw log vos pkt queue */ |
| 121 | unsigned int fw_mem_dump_pkt_qcnt; |
| 122 | /* Number of dropped pkts for fw dump */ |
| 123 | unsigned int fw_mem_dump_pkt_drop_cnt; |
| 124 | /* Lock to synchronize of queue/dequeue of pkts in fw log pkt queue */ |
| 125 | spinlock_t fw_mem_dump_lock; |
| 126 | /* Fw memory dump state */ |
| 127 | enum FW_MEM_DUMP_STATE fw_mem_dump_status; |
| 128 | /* Completion variable for handling SSR/unload during copy_to_user */ |
| 129 | struct completion fw_mem_copy_to_user_completion; |
| 130 | }; |
| 131 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 132 | struct pkt_stats_msg { |
| 133 | struct list_head node; |
| 134 | /* indicates the current filled log length in pktlogbuf */ |
| 135 | struct sk_buff *skb; |
| 136 | }; |
| 137 | |
| 138 | struct perPktStatsInfo{ |
| 139 | v_U32_t lastTxRate; // 802.11 data rate at which the last data frame is transmitted. |
| 140 | v_U8_t txAvgRetry; // Average number of retries per 10 packets. |
| 141 | v_S7_t avgRssi; // Average of the Beacon RSSI. |
| 142 | }; |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 143 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 144 | struct wlan_logging { |
| 145 | /* Log Fatal and ERROR to console */ |
| 146 | bool log_fe_to_console; |
| 147 | /* Number of buffers to be used for logging */ |
| 148 | int num_buf; |
| 149 | /* Lock to synchronize access to shared logging resource */ |
| 150 | spinlock_t spin_lock; |
| 151 | /* Holds the free node which can be used for filling logs */ |
| 152 | struct list_head free_list; |
| 153 | /* Holds the filled nodes which needs to be indicated to APP */ |
| 154 | struct list_head filled_list; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 155 | /* Points to head of logger pkt queue */ |
| 156 | vos_pkt_t *data_mgmt_pkt_queue; |
| 157 | /* Holds number of pkts in vos pkt queue */ |
| 158 | unsigned int data_mgmt_pkt_qcnt; |
| 159 | /* Lock to synchronize of queue/dequeue of pkts in logger pkt queue */ |
| 160 | spinlock_t data_mgmt_pkt_lock; |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 161 | /* Points to head of logger fw log pkt queue */ |
| 162 | vos_pkt_t *fw_log_pkt_queue; |
| 163 | /* Holds number of pkts in fw log vos pkt queue */ |
| 164 | unsigned int fw_log_pkt_qcnt; |
| 165 | /* Lock to synchronize of queue/dequeue of pkts in fw log pkt queue */ |
| 166 | spinlock_t fw_log_pkt_lock; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 167 | /* Wait queue for Logger thread */ |
| 168 | wait_queue_head_t wait_queue; |
| 169 | /* Logger thread */ |
| 170 | struct task_struct *thread; |
| 171 | /* Logging thread sets this variable on exit */ |
| 172 | struct completion shutdown_comp; |
| 173 | /* Indicates to logger thread to exit */ |
| 174 | bool exit; |
| 175 | /* Holds number of dropped logs*/ |
| 176 | unsigned int drop_count; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 177 | /* Holds number of dropped vos pkts*/ |
| 178 | unsigned int pkt_drop_cnt; |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 179 | /* Holds number of dropped fw log vos pkts*/ |
| 180 | unsigned int fw_log_pkt_drop_cnt; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 181 | /* current logbuf to which the log will be filled to */ |
| 182 | struct log_msg *pcur_node; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 183 | /* Event flag used for wakeup and post indication*/ |
| 184 | unsigned long event_flag; |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 185 | /* Timer to detect thread stuck issue */ |
| 186 | vos_timer_t threadStuckTimer; |
| 187 | /* Count for each thread to determine thread stuck */ |
| 188 | unsigned int mcThreadStuckCount; |
| 189 | unsigned int txThreadStuckCount; |
| 190 | unsigned int rxThreadStuckCount; |
| 191 | /* lock to synchronize access to the thread stuck counts */ |
| 192 | spinlock_t thread_stuck_lock; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 193 | /* Indicates logger thread is activated */ |
| 194 | bool is_active; |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 195 | /* data structure for log complete event*/ |
| 196 | struct logger_log_complete log_complete; |
| 197 | spinlock_t bug_report_lock; |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 198 | struct fw_mem_dump_logging fw_mem_dump_ctx; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 199 | int pkt_stat_num_buf; |
| 200 | unsigned int pkt_stat_drop_cnt; |
| 201 | struct list_head pkt_stat_free_list; |
| 202 | struct list_head pkt_stat_filled_list; |
| 203 | struct pkt_stats_msg *pkt_stats_pcur_node; |
| 204 | /* Index of the messages sent to userspace */ |
| 205 | unsigned int pkt_stats_msg_idx; |
| 206 | bool pkt_stats_enabled; |
| 207 | spinlock_t pkt_stats_lock; |
| 208 | struct perPktStatsInfo txPktStatsInfo; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 209 | }; |
| 210 | |
| 211 | static struct wlan_logging gwlan_logging; |
| 212 | static struct log_msg *gplog_msg; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 213 | static struct pkt_stats_msg *pkt_stats_buffers; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 214 | |
| 215 | /* PID of the APP to log the message */ |
| 216 | static int gapp_pid = INVALID_PID; |
Sushant Kaushik | 9cb1c9c | 2015-06-23 11:57:10 +0530 | [diff] [blame] | 217 | static char wlan_logging_ready[] = "WLAN LOGGING READY"; |
| 218 | |
| 219 | /* |
| 220 | * Broadcast Logging service ready indication to any Logging application |
| 221 | * Each netlink message will have a message of type tAniMsgHdr inside. |
| 222 | */ |
| 223 | void wlan_logging_srv_nl_ready_indication(void) |
| 224 | { |
| 225 | struct sk_buff *skb = NULL; |
| 226 | struct nlmsghdr *nlh; |
| 227 | tAniNlHdr *wnl = NULL; |
| 228 | int payload_len; |
| 229 | int err; |
| 230 | static int rate_limit; |
| 231 | |
| 232 | payload_len = sizeof(tAniHdr) + sizeof(wlan_logging_ready) + |
| 233 | sizeof(wnl->radio); |
| 234 | skb = dev_alloc_skb(NLMSG_SPACE(payload_len)); |
| 235 | if (NULL == skb) { |
| 236 | if (!rate_limit) { |
| 237 | LOGGING_TRACE(VOS_TRACE_LEVEL_ERROR, |
| 238 | "NLINK: skb alloc fail %s", __func__); |
| 239 | } |
| 240 | rate_limit = 1; |
| 241 | return; |
| 242 | } |
| 243 | rate_limit = 0; |
| 244 | |
| 245 | nlh = nlmsg_put(skb, 0, 0, ANI_NL_MSG_LOG, payload_len, |
| 246 | NLM_F_REQUEST); |
| 247 | if (NULL == nlh) { |
| 248 | LOGGING_TRACE(VOS_TRACE_LEVEL_ERROR, |
| 249 | "%s: nlmsg_put() failed for msg size[%d]", |
| 250 | __func__, payload_len); |
| 251 | kfree_skb(skb); |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | wnl = (tAniNlHdr *) nlh; |
| 256 | wnl->radio = 0; |
| 257 | wnl->wmsg.type = ANI_NL_MSG_READY_IND_TYPE; |
| 258 | wnl->wmsg.length = sizeof(wlan_logging_ready); |
| 259 | memcpy((char*)&wnl->wmsg + sizeof(tAniHdr), |
| 260 | wlan_logging_ready, |
| 261 | sizeof(wlan_logging_ready)); |
| 262 | |
| 263 | /* sender is in group 1<<0 */ |
| 264 | NETLINK_CB(skb).dst_group = WLAN_NLINK_MCAST_GRP_ID; |
| 265 | |
| 266 | /*multicast the message to all listening processes*/ |
| 267 | err = nl_srv_bcast(skb); |
| 268 | if (err) { |
| 269 | LOGGING_TRACE(VOS_TRACE_LEVEL_INFO_LOW, |
| 270 | "NLINK: Ready Indication Send Fail %s, err %d", |
| 271 | __func__, err); |
| 272 | } |
| 273 | return; |
| 274 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 275 | |
| 276 | /* Utility function to send a netlink message to an application |
| 277 | * in user space |
| 278 | */ |
| 279 | static int wlan_send_sock_msg_to_app(tAniHdr *wmsg, int radio, |
| 280 | int src_mod, int pid) |
| 281 | { |
| 282 | int err = -1; |
| 283 | int payload_len; |
| 284 | int tot_msg_len; |
| 285 | tAniNlHdr *wnl = NULL; |
| 286 | struct sk_buff *skb; |
| 287 | struct nlmsghdr *nlh; |
Vinay Krishna Eranna | b4c6a42 | 2015-03-20 18:33:47 +0530 | [diff] [blame] | 288 | int wmsg_length = wmsg->length; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 289 | static int nlmsg_seq; |
| 290 | |
| 291 | if (radio < 0 || radio > ANI_MAX_RADIOS) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 292 | pr_err("%s: invalid radio id [%d]", |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 293 | __func__, radio); |
| 294 | return -EINVAL; |
| 295 | } |
| 296 | |
| 297 | payload_len = wmsg_length + sizeof(wnl->radio); |
| 298 | tot_msg_len = NLMSG_SPACE(payload_len); |
| 299 | skb = dev_alloc_skb(tot_msg_len); |
| 300 | if (skb == NULL) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 301 | pr_err("%s: dev_alloc_skb() failed for msg size[%d]", |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 302 | __func__, tot_msg_len); |
| 303 | return -ENOMEM; |
| 304 | } |
| 305 | nlh = nlmsg_put(skb, pid, nlmsg_seq++, src_mod, payload_len, |
| 306 | NLM_F_REQUEST); |
| 307 | if (NULL == nlh) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 308 | pr_err("%s: nlmsg_put() failed for msg size[%d]", |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 309 | __func__, tot_msg_len); |
| 310 | kfree_skb(skb); |
| 311 | return -ENOMEM; |
| 312 | } |
| 313 | |
| 314 | wnl = (tAniNlHdr *) nlh; |
| 315 | wnl->radio = radio; |
Rajesh Babu Prathipati | 71e9c44 | 2014-07-01 22:08:29 +0530 | [diff] [blame] | 316 | vos_mem_copy(&wnl->wmsg, wmsg, wmsg_length); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 317 | |
| 318 | err = nl_srv_ucast(skb, pid, MSG_DONTWAIT); |
Vinay Krishna Eranna | 8147e70 | 2015-03-06 17:43:41 +0530 | [diff] [blame] | 319 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 320 | return err; |
| 321 | } |
| 322 | |
| 323 | static void set_default_logtoapp_log_level(void) |
| 324 | { |
| 325 | vos_trace_setValue(VOS_MODULE_ID_WDI, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| 326 | vos_trace_setValue(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| 327 | vos_trace_setValue(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| 328 | vos_trace_setValue(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| 329 | vos_trace_setValue(VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| 330 | vos_trace_setValue(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ALL, |
| 331 | VOS_TRUE); |
| 332 | vos_trace_setValue(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
Kaushik, Sushant | ac4fa6c | 2014-12-10 17:07:41 +0530 | [diff] [blame] | 333 | vos_trace_setValue(VOS_MODULE_ID_PMC, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 334 | vos_trace_setValue(VOS_MODULE_ID_SVC, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | static void clear_default_logtoapp_log_level(void) |
| 338 | { |
| 339 | int module; |
| 340 | |
| 341 | for (module = 0; module < VOS_MODULE_ID_MAX; module++) { |
| 342 | vos_trace_setValue(module, VOS_TRACE_LEVEL_NONE, |
| 343 | VOS_FALSE); |
| 344 | vos_trace_setValue(module, VOS_TRACE_LEVEL_FATAL, |
| 345 | VOS_TRUE); |
| 346 | vos_trace_setValue(module, VOS_TRACE_LEVEL_ERROR, |
| 347 | VOS_TRUE); |
| 348 | } |
| 349 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 350 | vos_trace_setValue(VOS_MODULE_ID_RSV4, VOS_TRACE_LEVEL_NONE, |
| 351 | VOS_FALSE); |
| 352 | } |
| 353 | |
| 354 | /* Need to call this with spin_lock acquired */ |
| 355 | static int wlan_queue_logmsg_for_app(void) |
| 356 | { |
| 357 | char *ptr; |
| 358 | int ret = 0; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 359 | ptr = &gwlan_logging.pcur_node->logbuf[sizeof(tAniHdr)]; |
| 360 | ptr[gwlan_logging.pcur_node->filled_length] = '\0'; |
| 361 | |
| 362 | *(unsigned short *)(gwlan_logging.pcur_node->logbuf) = |
| 363 | ANI_NL_MSG_LOG_TYPE; |
| 364 | *(unsigned short *)(gwlan_logging.pcur_node->logbuf + 2) = |
| 365 | gwlan_logging.pcur_node->filled_length; |
| 366 | list_add_tail(&gwlan_logging.pcur_node->node, |
| 367 | &gwlan_logging.filled_list); |
| 368 | |
| 369 | if (!list_empty(&gwlan_logging.free_list)) { |
| 370 | /* Get buffer from free list */ |
| 371 | gwlan_logging.pcur_node = |
| 372 | (struct log_msg *)(gwlan_logging.free_list.next); |
| 373 | list_del_init(gwlan_logging.free_list.next); |
| 374 | } else if (!list_empty(&gwlan_logging.filled_list)) { |
| 375 | /* Get buffer from filled list */ |
| 376 | /* This condition will drop the packet from being |
| 377 | * indicated to app |
| 378 | */ |
| 379 | gwlan_logging.pcur_node = |
| 380 | (struct log_msg *)(gwlan_logging.filled_list.next); |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 381 | ++gwlan_logging.drop_count; |
Sushant Kaushik | 20a9820 | 2014-08-14 16:07:49 +0530 | [diff] [blame] | 382 | /* print every 64th drop count */ |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 383 | if (vos_is_multicast_logging() && |
| 384 | (!(gwlan_logging.drop_count % 0x40))) { |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 385 | pr_err("%s: drop_count = %u index = %d filled_length = %d\n", |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 386 | __func__, gwlan_logging.drop_count, |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 387 | gwlan_logging.pcur_node->index, |
| 388 | gwlan_logging.pcur_node->filled_length); |
| 389 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 390 | list_del_init(gwlan_logging.filled_list.next); |
| 391 | ret = 1; |
| 392 | } |
| 393 | |
| 394 | /* Reset the current node values */ |
| 395 | gwlan_logging.pcur_node->filled_length = 0; |
| 396 | return ret; |
| 397 | } |
| 398 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 399 | void wlan_fillTxStruct(void *pktStat) |
| 400 | { |
| 401 | vos_mem_copy(&gwlan_logging.txPktStatsInfo, |
| 402 | (struct perPktStatsInfo *)pktStat, |
| 403 | sizeof(struct perPktStatsInfo)); |
| 404 | } |
| 405 | |
| 406 | bool wlan_isPktStatsEnabled(void) |
| 407 | { |
| 408 | return gwlan_logging.pkt_stats_enabled; |
| 409 | } |
| 410 | |
| 411 | |
| 412 | |
| 413 | /* Need to call this with spin_lock acquired */ |
| 414 | static int wlan_queue_pkt_stats_for_app(void) |
| 415 | { |
| 416 | int ret = 0; |
| 417 | |
| 418 | list_add_tail(&gwlan_logging.pkt_stats_pcur_node->node, |
| 419 | &gwlan_logging.pkt_stat_filled_list); |
| 420 | |
| 421 | if (!list_empty(&gwlan_logging.pkt_stat_free_list)) { |
| 422 | /* Get buffer from free list */ |
| 423 | gwlan_logging.pkt_stats_pcur_node = |
| 424 | (struct pkt_stats_msg *)(gwlan_logging.pkt_stat_free_list.next); |
| 425 | list_del_init(gwlan_logging.pkt_stat_free_list.next); |
| 426 | } else if (!list_empty(&gwlan_logging.pkt_stat_filled_list)) { |
| 427 | /* Get buffer from filled list */ |
| 428 | /* This condition will drop the packet from being |
| 429 | * indicated to app |
| 430 | */ |
| 431 | gwlan_logging.pkt_stats_pcur_node = |
| 432 | (struct pkt_stats_msg *)(gwlan_logging.pkt_stat_filled_list.next); |
| 433 | ++gwlan_logging.pkt_stat_drop_cnt; |
| 434 | /* print every 64th drop count */ |
| 435 | if (vos_is_multicast_logging() && |
| 436 | (!(gwlan_logging.pkt_stat_drop_cnt % 0x40))) { |
| 437 | pr_err("%s: drop_count = %u filled_length = %d\n", |
| 438 | __func__, gwlan_logging.pkt_stat_drop_cnt, |
| 439 | gwlan_logging.pkt_stats_pcur_node->skb->len); |
| 440 | } |
| 441 | list_del_init(gwlan_logging.pkt_stat_filled_list.next); |
| 442 | ret = 1; |
| 443 | } |
| 444 | |
| 445 | /* Reset the current node values */ |
| 446 | gwlan_logging.pkt_stats_pcur_node-> skb->len = 0; |
| 447 | return ret; |
| 448 | } |
| 449 | |
| 450 | int wlan_pkt_stats_to_user(void *perPktStat) |
| 451 | { |
| 452 | bool wake_up_thread = false; |
| 453 | tPerPacketStats *pktstats = perPktStat; |
| 454 | unsigned long flags; |
| 455 | tx_rx_pkt_stats rx_tx_stats; |
| 456 | int total_log_len = 0; |
| 457 | struct sk_buff *ptr; |
| 458 | tpSirMacMgmtHdr hdr; |
| 459 | uint32 rateIdx; |
| 460 | |
| 461 | if (!vos_is_multicast_logging()) |
| 462 | { |
| 463 | return -EIO; |
| 464 | } |
| 465 | if (vos_is_multicast_logging()) { |
| 466 | |
| 467 | vos_mem_zero(&rx_tx_stats, sizeof(tx_rx_pkt_stats)); |
| 468 | |
| 469 | if (pktstats->is_rx){ |
| 470 | rx_tx_stats.ps_hdr.flags = (1 << PKTLOG_FLG_FRM_TYPE_REMOTE_S); |
| 471 | }else{ |
| 472 | rx_tx_stats.ps_hdr.flags = (1 << PKTLOG_FLG_FRM_TYPE_LOCAL_S); |
| 473 | |
| 474 | } |
| 475 | /*Send log type as PKTLOG_TYPE_PKT_STAT (9)*/ |
| 476 | rx_tx_stats.ps_hdr.log_type = PKTLOG_TYPE_PKT_STAT; |
| 477 | rx_tx_stats.ps_hdr.timestamp = vos_timer_get_system_ticks(); |
| 478 | rx_tx_stats.ps_hdr.missed_cnt = 0; |
| 479 | rx_tx_stats.ps_hdr.size = sizeof(tx_rx_pkt_stats) - |
| 480 | sizeof(pkt_stats_hdr) + pktstats->data_len - IP_PLUS_80211_HDR_LEN; |
| 481 | |
| 482 | rx_tx_stats.stats.flags |= PER_PACKET_ENTRY_FLAGS_TX_SUCCESS; |
| 483 | rx_tx_stats.stats.flags |= PER_PACKET_ENTRY_FLAGS_80211_HEADER; |
| 484 | if (pktstats->is_rx) |
| 485 | rx_tx_stats.stats.flags |= PER_PACKET_ENTRY_FLAGS_DIRECTION_TX; |
| 486 | |
| 487 | hdr = (tpSirMacMgmtHdr)pktstats->data; |
| 488 | if (hdr->fc.wep) |
| 489 | rx_tx_stats.stats.flags |= PER_PACKET_ENTRY_FLAGS_PROTECTED; |
| 490 | |
| 491 | rx_tx_stats.stats.tid = pktstats->tid; |
| 492 | rx_tx_stats.stats.dxe_timestamp = pktstats->dxe_timestamp; |
| 493 | |
| 494 | if (!pktstats->is_rx) |
| 495 | { |
| 496 | rx_tx_stats.stats.rssi = gwlan_logging.txPktStatsInfo.avgRssi; |
| 497 | rx_tx_stats.stats.num_retries = gwlan_logging.txPktStatsInfo.txAvgRetry; |
| 498 | rateIdx = gwlan_logging.txPktStatsInfo.lastTxRate; |
| 499 | } |
| 500 | else |
| 501 | { |
| 502 | rx_tx_stats.stats.rssi = pktstats->rssi; |
| 503 | rx_tx_stats.stats.num_retries = pktstats->num_retries; |
| 504 | rateIdx = pktstats->rate_idx; |
| 505 | |
| 506 | } |
| 507 | rx_tx_stats.stats.link_layer_transmit_sequence = pktstats->seq_num; |
| 508 | |
| 509 | /* Calculate rate and MCS from rate index */ |
| 510 | if( rateIdx >= 210 && rateIdx <= 217) |
| 511 | rateIdx-=202; |
| 512 | if( rateIdx >= 218 && rateIdx <= 225 ) |
| 513 | rateIdx-=210; |
| 514 | get_rate_and_MCS(&rx_tx_stats.stats, rateIdx); |
| 515 | |
| 516 | vos_mem_copy(rx_tx_stats.stats.data,pktstats->data, pktstats->data_len); |
| 517 | |
| 518 | /* 1+1 indicate '\n'+'\0' */ |
| 519 | total_log_len = sizeof(tx_rx_pkt_stats) + pktstats->data_len - IP_PLUS_80211_HDR_LEN; |
| 520 | spin_lock_irqsave(&gwlan_logging.pkt_stats_lock, flags); |
| 521 | // wlan logging svc resources are not yet initialized |
| 522 | if (!gwlan_logging.pkt_stats_pcur_node) { |
| 523 | pr_err("%s, logging svc not initialized", __func__); |
| 524 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, flags); |
| 525 | return -EIO; |
| 526 | } |
| 527 | |
| 528 | ; |
| 529 | |
| 530 | /* Check if we can accomodate more log into current node/buffer */ |
| 531 | if (total_log_len + sizeof(vos_log_pktlog_info) + sizeof(tAniNlHdr) >= |
| 532 | skb_tailroom(gwlan_logging.pkt_stats_pcur_node->skb)) { |
| 533 | wake_up_thread = true; |
| 534 | wlan_queue_pkt_stats_for_app(); |
| 535 | } |
| 536 | ptr = gwlan_logging.pkt_stats_pcur_node->skb; |
| 537 | |
| 538 | |
| 539 | vos_mem_copy(skb_put(ptr, total_log_len), &rx_tx_stats, total_log_len); |
| 540 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, flags); |
| 541 | /* Wakeup logger thread */ |
| 542 | if ((true == wake_up_thread)) { |
| 543 | /* If there is logger app registered wakeup the logging |
| 544 | * thread |
| 545 | */ |
| 546 | set_bit(HOST_PKT_STATS_POST_MASK, &gwlan_logging.event_flag); |
| 547 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 548 | } |
| 549 | } |
| 550 | return 0; |
| 551 | } |
| 552 | |
| 553 | void wlan_disable_and_flush_pkt_stats() |
| 554 | { |
| 555 | unsigned long flags; |
| 556 | spin_lock_irqsave(&gwlan_logging.pkt_stats_lock, flags); |
| 557 | if(gwlan_logging.pkt_stats_pcur_node->skb->len){ |
| 558 | wlan_queue_pkt_stats_for_app(); |
| 559 | } |
| 560 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, flags); |
| 561 | set_bit(HOST_PKT_STATS_POST_MASK, &gwlan_logging.event_flag); |
| 562 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 563 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 564 | |
| 565 | int wlan_log_to_user(VOS_TRACE_LEVEL log_level, char *to_be_sent, int length) |
| 566 | { |
| 567 | /* Add the current time stamp */ |
| 568 | char *ptr; |
Ratnam Rachuri | c798dbe | 2015-07-17 11:19:44 +0530 | [diff] [blame] | 569 | char tbuf[100]; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 570 | int tlen; |
| 571 | int total_log_len; |
| 572 | unsigned int *pfilled_length; |
| 573 | bool wake_up_thread = false; |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 574 | unsigned long flags; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 575 | |
Ratnam Rachuri | 3119f8a | 2015-07-23 14:55:21 +0530 | [diff] [blame] | 576 | struct timeval tv; |
| 577 | struct rtc_time tm; |
Vinay Krishna Eranna | 2c0ac30 | 2014-12-17 15:21:40 +0530 | [diff] [blame] | 578 | unsigned long local_time; |
Ratnam Rachuri | c798dbe | 2015-07-17 11:19:44 +0530 | [diff] [blame] | 579 | u64 qtimer_ticks; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 580 | |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 581 | if (!vos_is_multicast_logging()) { |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 582 | /* |
| 583 | * This is to make sure that we print the logs to kmsg console |
| 584 | * when no logger app is running. This is also needed to |
| 585 | * log the initial messages during loading of driver where even |
| 586 | * if app is running it will not be able to |
| 587 | * register with driver immediately and start logging all the |
| 588 | * messages. |
| 589 | */ |
Vinay Krishna Eranna | 8233736 | 2014-09-06 18:19:03 +0530 | [diff] [blame] | 590 | pr_err("%s\n", to_be_sent); |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 591 | } else { |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 592 | |
Vinay Krishna Eranna | 2c0ac30 | 2014-12-17 15:21:40 +0530 | [diff] [blame] | 593 | /* Format the Log time [hr:min:sec.microsec] */ |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 594 | do_gettimeofday(&tv); |
Vinay Krishna Eranna | 2c0ac30 | 2014-12-17 15:21:40 +0530 | [diff] [blame] | 595 | |
| 596 | /* Convert rtc to local time */ |
| 597 | local_time = (u32)(tv.tv_sec - (sys_tz.tz_minuteswest * 60)); |
| 598 | rtc_time_to_tm(local_time, &tm); |
Ratnam Rachuri | c798dbe | 2015-07-17 11:19:44 +0530 | [diff] [blame] | 599 | /* Firmware Time Stamp */ |
| 600 | qtimer_ticks = arch_counter_get_cntpct(); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 601 | |
Ratnam Rachuri | 3119f8a | 2015-07-23 14:55:21 +0530 | [diff] [blame] | 602 | tlen = snprintf(tbuf, sizeof(tbuf), "[%02d:%02d:%02d.%06lu] [%016llX]" |
Sushant Kaushik | 96e6694 | 2015-09-21 12:43:15 +0530 | [diff] [blame] | 603 | " [%.5s] ", tm.tm_hour, tm.tm_min, tm.tm_sec, tv.tv_usec, |
Ratnam Rachuri | 3119f8a | 2015-07-23 14:55:21 +0530 | [diff] [blame] | 604 | qtimer_ticks, current->comm); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 605 | /* 1+1 indicate '\n'+'\0' */ |
| 606 | total_log_len = length + tlen + 1 + 1; |
| 607 | |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 608 | spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 609 | |
c_hpothu | 1418175 | 2014-12-10 11:52:09 +0530 | [diff] [blame] | 610 | // wlan logging svc resources are not yet initialized |
| 611 | if (!gwlan_logging.pcur_node) { |
| 612 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
| 613 | return -EIO; |
| 614 | } |
| 615 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 616 | pfilled_length = &gwlan_logging.pcur_node->filled_length; |
| 617 | |
| 618 | /* Check if we can accomodate more log into current node/buffer */ |
Sushant Kaushik | a20112f | 2015-09-08 15:07:33 +0530 | [diff] [blame] | 619 | if (MAX_LOGMSG_LENGTH < (*pfilled_length + sizeof(tAniNlHdr) + |
| 620 | total_log_len)) { |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 621 | wake_up_thread = true; |
| 622 | wlan_queue_logmsg_for_app(); |
| 623 | pfilled_length = &gwlan_logging.pcur_node->filled_length; |
| 624 | } |
| 625 | |
| 626 | ptr = &gwlan_logging.pcur_node->logbuf[sizeof(tAniHdr)]; |
| 627 | |
| 628 | /* Assumption here is that we receive logs which is always less than |
| 629 | * MAX_LOGMSG_LENGTH, where we can accomodate the |
| 630 | * tAniNlHdr + [context][timestamp] + log |
| 631 | * VOS_ASSERT if we cannot accomodate the the complete log into |
| 632 | * the available buffer. |
| 633 | * |
| 634 | * Continue and copy logs to the available length and discard the rest. |
| 635 | */ |
| 636 | if (MAX_LOGMSG_LENGTH < (sizeof(tAniNlHdr) + total_log_len)) { |
| 637 | VOS_ASSERT(0); |
| 638 | total_log_len = MAX_LOGMSG_LENGTH - sizeof(tAniNlHdr) - 2; |
| 639 | } |
| 640 | |
Rajesh Babu Prathipati | 71e9c44 | 2014-07-01 22:08:29 +0530 | [diff] [blame] | 641 | vos_mem_copy(&ptr[*pfilled_length], tbuf, tlen); |
| 642 | vos_mem_copy(&ptr[*pfilled_length + tlen], to_be_sent, |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 643 | min(length, (total_log_len - tlen))); |
| 644 | *pfilled_length += tlen + min(length, total_log_len - tlen); |
| 645 | ptr[*pfilled_length] = '\n'; |
| 646 | *pfilled_length += 1; |
| 647 | |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 648 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 649 | |
| 650 | /* Wakeup logger thread */ |
Vinay Krishna Eranna | 8382e0e | 2014-06-18 19:19:58 +0530 | [diff] [blame] | 651 | if ((true == wake_up_thread)) { |
| 652 | /* If there is logger app registered wakeup the logging |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 653 | * thread |
Vinay Krishna Eranna | 8382e0e | 2014-06-18 19:19:58 +0530 | [diff] [blame] | 654 | */ |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 655 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 656 | set_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
Vinay Krishna Eranna | 8382e0e | 2014-06-18 19:19:58 +0530 | [diff] [blame] | 657 | wake_up_interruptible(&gwlan_logging.wait_queue); |
Vinay Krishna Eranna | 8382e0e | 2014-06-18 19:19:58 +0530 | [diff] [blame] | 658 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 659 | |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 660 | if (gwlan_logging.log_fe_to_console |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 661 | && ((VOS_TRACE_LEVEL_FATAL == log_level) |
| 662 | || (VOS_TRACE_LEVEL_ERROR == log_level))) { |
Sushant Kaushik | 7050ac4 | 2015-09-23 11:21:12 +0530 | [diff] [blame] | 663 | pr_err("%s %s\n",tbuf, to_be_sent); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 664 | } |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 665 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 666 | |
| 667 | return 0; |
| 668 | } |
| 669 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 670 | static int send_fw_log_pkt_to_user(void) |
| 671 | { |
| 672 | int ret = -1; |
| 673 | int extra_header_len, nl_payload_len; |
| 674 | struct sk_buff *skb = NULL; |
| 675 | static int nlmsg_seq; |
| 676 | vos_pkt_t *current_pkt; |
| 677 | vos_pkt_t *next_pkt; |
| 678 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 679 | unsigned long flags; |
| 680 | |
| 681 | tAniNlHdr msg_header; |
| 682 | |
| 683 | do { |
| 684 | spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| 685 | |
| 686 | if (!gwlan_logging.fw_log_pkt_queue) { |
| 687 | spin_unlock_irqrestore( |
| 688 | &gwlan_logging.fw_log_pkt_lock, flags); |
| 689 | return -EIO; |
| 690 | } |
| 691 | |
| 692 | /* pick first pkt from queued chain */ |
| 693 | current_pkt = gwlan_logging.fw_log_pkt_queue; |
| 694 | |
| 695 | /* get the pointer to the next packet in the chain */ |
| 696 | status = vos_pkt_walk_packet_chain(current_pkt, &next_pkt, |
| 697 | TRUE); |
| 698 | |
| 699 | /* both "success" and "empty" are acceptable results */ |
| 700 | if (!((status == VOS_STATUS_SUCCESS) || |
| 701 | (status == VOS_STATUS_E_EMPTY))) { |
| 702 | ++gwlan_logging.fw_log_pkt_drop_cnt; |
| 703 | spin_unlock_irqrestore( |
| 704 | &gwlan_logging.fw_log_pkt_lock, flags); |
| 705 | pr_err("%s: Failure walking packet chain", __func__); |
| 706 | return -EIO; |
| 707 | } |
| 708 | |
| 709 | /* update queue head with next pkt ptr which could be NULL */ |
| 710 | gwlan_logging.fw_log_pkt_queue = next_pkt; |
| 711 | --gwlan_logging.fw_log_pkt_qcnt; |
| 712 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, flags); |
| 713 | |
| 714 | status = vos_pkt_get_os_packet(current_pkt, (v_VOID_t **)&skb, |
| 715 | TRUE); |
| 716 | if (!VOS_IS_STATUS_SUCCESS(status)) { |
| 717 | ++gwlan_logging.fw_log_pkt_drop_cnt; |
| 718 | pr_err("%s: Failure extracting skb from vos pkt", |
| 719 | __func__); |
| 720 | return -EIO; |
| 721 | } |
| 722 | |
| 723 | /*return vos pkt since skb is already detached */ |
| 724 | vos_pkt_return_packet(current_pkt); |
| 725 | |
| 726 | extra_header_len = sizeof(msg_header.radio) + sizeof(tAniHdr); |
| 727 | nl_payload_len = NLMSG_ALIGN(extra_header_len + skb->len); |
| 728 | |
| 729 | msg_header.nlh.nlmsg_type = ANI_NL_MSG_LOG; |
| 730 | msg_header.nlh.nlmsg_len = nl_payload_len; |
| 731 | msg_header.nlh.nlmsg_flags = NLM_F_REQUEST; |
| 732 | msg_header.nlh.nlmsg_pid = gapp_pid; |
| 733 | msg_header.nlh.nlmsg_seq = nlmsg_seq++; |
| 734 | |
| 735 | msg_header.radio = 0; |
| 736 | |
| 737 | msg_header.wmsg.type = ANI_NL_MSG_FW_LOG_PKT_TYPE; |
| 738 | msg_header.wmsg.length = skb->len; |
| 739 | |
| 740 | if (unlikely(skb_headroom(skb) < sizeof(msg_header))) { |
| 741 | pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| 742 | " data[%p], req[%zu]", __LINE__, skb->head, |
| 743 | skb->data, sizeof(msg_header)); |
| 744 | return -EIO; |
| 745 | } |
| 746 | |
| 747 | vos_mem_copy(skb_push(skb, sizeof(msg_header)), &msg_header, |
| 748 | sizeof(msg_header)); |
| 749 | |
| 750 | ret = nl_srv_bcast(skb); |
| 751 | if (ret < 0) { |
| 752 | pr_info("%s: Send Failed %d drop_count = %u\n", |
| 753 | __func__, ret, ++gwlan_logging.fw_log_pkt_drop_cnt); |
| 754 | } else { |
| 755 | ret = 0; |
| 756 | } |
| 757 | |
| 758 | } while (next_pkt); |
| 759 | |
| 760 | return ret; |
| 761 | } |
| 762 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 763 | static int send_data_mgmt_log_pkt_to_user(void) |
| 764 | { |
| 765 | int ret = -1; |
| 766 | int extra_header_len, nl_payload_len; |
| 767 | struct sk_buff *skb = NULL; |
| 768 | static int nlmsg_seq; |
| 769 | vos_pkt_t *current_pkt; |
| 770 | vos_pkt_t *next_pkt; |
| 771 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 772 | unsigned long flags; |
| 773 | |
| 774 | tAniNlLogHdr msg_header; |
| 775 | |
| 776 | do { |
| 777 | spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| 778 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 779 | if (!gwlan_logging.data_mgmt_pkt_queue) { |
| 780 | spin_unlock_irqrestore( |
| 781 | &gwlan_logging.data_mgmt_pkt_lock, flags); |
| 782 | return -EIO; |
| 783 | } |
| 784 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 785 | /* pick first pkt from queued chain */ |
| 786 | current_pkt = gwlan_logging.data_mgmt_pkt_queue; |
| 787 | |
| 788 | /* get the pointer to the next packet in the chain */ |
| 789 | status = vos_pkt_walk_packet_chain(current_pkt, &next_pkt, |
| 790 | TRUE); |
| 791 | |
| 792 | /* both "success" and "empty" are acceptable results */ |
| 793 | if (!((status == VOS_STATUS_SUCCESS) || |
| 794 | (status == VOS_STATUS_E_EMPTY))) { |
| 795 | ++gwlan_logging.pkt_drop_cnt; |
| 796 | spin_unlock_irqrestore( |
| 797 | &gwlan_logging.data_mgmt_pkt_lock, flags); |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 798 | pr_err("%s: Failure walking packet chain", __func__); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 799 | return -EIO; |
| 800 | } |
| 801 | |
| 802 | /* update queue head with next pkt ptr which could be NULL */ |
| 803 | gwlan_logging.data_mgmt_pkt_queue = next_pkt; |
| 804 | --gwlan_logging.data_mgmt_pkt_qcnt; |
| 805 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| 806 | |
| 807 | status = vos_pkt_get_os_packet(current_pkt, (v_VOID_t **)&skb, |
| 808 | TRUE); |
| 809 | if (!VOS_IS_STATUS_SUCCESS(status)) { |
| 810 | ++gwlan_logging.pkt_drop_cnt; |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 811 | pr_err("%s: Failure extracting skb from vos pkt", |
| 812 | __func__); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 813 | return -EIO; |
| 814 | } |
| 815 | |
| 816 | /*return vos pkt since skb is already detached */ |
| 817 | vos_pkt_return_packet(current_pkt); |
| 818 | |
| 819 | extra_header_len = sizeof(msg_header.radio) + sizeof(tAniHdr) + |
| 820 | sizeof(msg_header.frameSize); |
| 821 | nl_payload_len = NLMSG_ALIGN(extra_header_len + skb->len); |
| 822 | |
| 823 | msg_header.nlh.nlmsg_type = ANI_NL_MSG_LOG; |
| 824 | msg_header.nlh.nlmsg_len = nl_payload_len; |
| 825 | msg_header.nlh.nlmsg_flags = NLM_F_REQUEST; |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 826 | msg_header.nlh.nlmsg_pid = 0; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 827 | msg_header.nlh.nlmsg_seq = nlmsg_seq++; |
| 828 | |
| 829 | msg_header.radio = 0; |
| 830 | |
| 831 | msg_header.wmsg.type = ANI_NL_MSG_LOG_PKT_TYPE; |
| 832 | msg_header.wmsg.length = skb->len + sizeof(uint32); |
| 833 | |
| 834 | msg_header.frameSize = WLAN_MGMT_LOGGING_FRAMESIZE_128BYTES; |
| 835 | |
| 836 | if (unlikely(skb_headroom(skb) < sizeof(msg_header))) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 837 | pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 838 | " data[%p], req[%zu]", __LINE__, skb->head, |
| 839 | skb->data, sizeof(msg_header)); |
| 840 | return -EIO; |
| 841 | } |
| 842 | |
| 843 | vos_mem_copy(skb_push(skb, sizeof(msg_header)), &msg_header, |
| 844 | sizeof(msg_header)); |
| 845 | |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 846 | ret = nl_srv_bcast(skb); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 847 | if (ret < 0) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 848 | pr_info("%s: Send Failed %d drop_count = %u\n", |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 849 | __func__, ret, ++gwlan_logging.pkt_drop_cnt); |
| 850 | } else { |
| 851 | ret = 0; |
| 852 | } |
| 853 | |
| 854 | } while (next_pkt); |
| 855 | |
| 856 | return ret; |
| 857 | } |
| 858 | |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 859 | static int fill_fw_mem_dump_buffer(void) |
| 860 | { |
| 861 | struct sk_buff *skb = NULL; |
| 862 | vos_pkt_t *current_pkt; |
| 863 | vos_pkt_t *next_pkt; |
| 864 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 865 | unsigned long flags; |
| 866 | int byte_left = 0; |
| 867 | |
| 868 | do { |
| 869 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 870 | |
| 871 | if (!gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue) { |
| 872 | spin_unlock_irqrestore( |
| 873 | &gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 874 | return -EIO; |
| 875 | } |
| 876 | |
| 877 | /* pick first pkt from queued chain */ |
| 878 | current_pkt = gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue; |
| 879 | |
| 880 | /* get the pointer to the next packet in the chain */ |
| 881 | status = vos_pkt_walk_packet_chain(current_pkt, &next_pkt, |
| 882 | TRUE); |
| 883 | |
| 884 | /* both "success" and "empty" are acceptable results */ |
| 885 | if (!((status == VOS_STATUS_SUCCESS) || |
| 886 | (status == VOS_STATUS_E_EMPTY))) { |
| 887 | spin_unlock_irqrestore( |
| 888 | &gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 889 | pr_err("%s: Failure walking packet chain", __func__); |
| 890 | return -EIO; |
| 891 | } |
| 892 | |
| 893 | /* update queue head with next pkt ptr which could be NULL */ |
| 894 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue = next_pkt; |
| 895 | --gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_qcnt; |
| 896 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 897 | |
| 898 | status = vos_pkt_get_os_packet(current_pkt, (v_VOID_t **)&skb, |
| 899 | VOS_FALSE); |
| 900 | if (!VOS_IS_STATUS_SUCCESS(status)) { |
| 901 | pr_err("%s: Failure extracting skb from vos pkt", |
| 902 | __func__); |
| 903 | return -EIO; |
| 904 | } |
| 905 | |
| 906 | //Copy data from SKB to mem dump buffer |
| 907 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 908 | if((skb) && (skb->len != 0)) |
| 909 | { |
| 910 | // Prevent buffer overflow |
| 911 | byte_left = ((int)gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size - |
| 912 | (int)(gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc - gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc)); |
| 913 | if(skb->len > byte_left) |
| 914 | { |
| 915 | vos_mem_copy(gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc, &skb->data, byte_left); |
| 916 | //Update the current location ptr |
| 917 | gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc += byte_left; |
| 918 | } |
| 919 | else |
| 920 | { |
| 921 | vos_mem_copy(gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc, &skb->data, skb->len); |
| 922 | //Update the current location ptr |
| 923 | gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc += skb->len; |
| 924 | } |
| 925 | } |
| 926 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 927 | //if(skb) |
| 928 | // pr_err("Mem dump buffer overflow byte_left %d skb->len %d", byte_left, skb->len); |
| 929 | /*return vos pkt since skb is already detached */ |
| 930 | vos_pkt_return_packet(current_pkt); |
| 931 | } while (next_pkt); |
| 932 | |
| 933 | return 0; |
| 934 | } |
| 935 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 936 | static int send_filled_buffers_to_user(void) |
| 937 | { |
| 938 | int ret = -1; |
| 939 | struct log_msg *plog_msg; |
| 940 | int payload_len; |
| 941 | int tot_msg_len; |
| 942 | tAniNlHdr *wnl; |
| 943 | struct sk_buff *skb = NULL; |
| 944 | struct nlmsghdr *nlh; |
| 945 | static int nlmsg_seq; |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 946 | unsigned long flags; |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 947 | static int rate_limit; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 948 | |
| 949 | while (!list_empty(&gwlan_logging.filled_list) |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 950 | && !gwlan_logging.exit) { |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 951 | |
| 952 | skb = dev_alloc_skb(MAX_LOGMSG_LENGTH); |
| 953 | if (skb == NULL) { |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 954 | if (!rate_limit) { |
| 955 | pr_err("%s: dev_alloc_skb() failed for msg size[%d] drop count = %u\n", |
| 956 | __func__, MAX_LOGMSG_LENGTH, |
| 957 | gwlan_logging.drop_count); |
| 958 | } |
| 959 | rate_limit = 1; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 960 | ret = -ENOMEM; |
| 961 | break; |
| 962 | } |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 963 | rate_limit = 0; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 964 | |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 965 | spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 966 | |
| 967 | plog_msg = (struct log_msg *) |
| 968 | (gwlan_logging.filled_list.next); |
| 969 | list_del_init(gwlan_logging.filled_list.next); |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 970 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 971 | /* 4 extra bytes for the radio idx */ |
| 972 | payload_len = plog_msg->filled_length + |
| 973 | sizeof(wnl->radio) + sizeof(tAniHdr); |
| 974 | |
| 975 | tot_msg_len = NLMSG_SPACE(payload_len); |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 976 | nlh = nlmsg_put(skb, 0, nlmsg_seq++, |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 977 | ANI_NL_MSG_LOG, payload_len, |
| 978 | NLM_F_REQUEST); |
| 979 | if (NULL == nlh) { |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 980 | spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 981 | list_add_tail(&plog_msg->node, |
| 982 | &gwlan_logging.free_list); |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 983 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, |
| 984 | flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 985 | pr_err("%s: drop_count = %u\n", __func__, |
| 986 | ++gwlan_logging.drop_count); |
| 987 | pr_err("%s: nlmsg_put() failed for msg size[%d]\n", |
| 988 | __func__, tot_msg_len); |
| 989 | dev_kfree_skb(skb); |
| 990 | skb = NULL; |
| 991 | ret = -EINVAL; |
| 992 | continue; |
| 993 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 994 | |
| 995 | wnl = (tAniNlHdr *) nlh; |
| 996 | wnl->radio = plog_msg->radio; |
Rajesh Babu Prathipati | 71e9c44 | 2014-07-01 22:08:29 +0530 | [diff] [blame] | 997 | vos_mem_copy(&wnl->wmsg, plog_msg->logbuf, |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 998 | plog_msg->filled_length + |
| 999 | sizeof(tAniHdr)); |
| 1000 | |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 1001 | spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1002 | list_add_tail(&plog_msg->node, |
| 1003 | &gwlan_logging.free_list); |
Pradeep Kumar Goudagunta | 8526f83 | 2014-04-17 14:56:09 +0530 | [diff] [blame] | 1004 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1005 | |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 1006 | ret = nl_srv_bcast(skb); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1007 | if (ret < 0) { |
Sushant Kaushik | 8ddaa38 | 2015-06-23 12:17:25 +0530 | [diff] [blame] | 1008 | if (__ratelimit(&errCnt)) |
| 1009 | { |
| 1010 | pr_info("%s: Send Failed %d drop_count = %u\n", |
| 1011 | __func__, ret, gwlan_logging.drop_count); |
| 1012 | } |
| 1013 | gwlan_logging.drop_count++; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1014 | skb = NULL; |
c_hpothu | 0424d04 | 2014-11-19 19:37:14 +0530 | [diff] [blame] | 1015 | break; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1016 | } else { |
| 1017 | skb = NULL; |
| 1018 | ret = 0; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | return ret; |
| 1023 | } |
| 1024 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1025 | |
| 1026 | static int send_per_pkt_stats_to_user(void) |
| 1027 | { |
| 1028 | int ret = -1; |
| 1029 | struct pkt_stats_msg *plog_msg; |
| 1030 | unsigned long flags; |
| 1031 | struct sk_buff *skb_new = NULL; |
| 1032 | vos_log_pktlog_info pktlog; |
| 1033 | tAniNlHdr msg_header; |
| 1034 | int extra_header_len, nl_payload_len; |
| 1035 | static int nlmsg_seq; |
| 1036 | static int rate_limit; |
| 1037 | int diag_type; |
| 1038 | |
| 1039 | while (!list_empty(&gwlan_logging.pkt_stat_filled_list) |
| 1040 | && !gwlan_logging.exit) { |
| 1041 | skb_new= dev_alloc_skb(MAX_PKTSTATS_LOG_LENGTH); |
| 1042 | if (skb_new == NULL) { |
| 1043 | if (!rate_limit) { |
| 1044 | pr_err("%s: dev_alloc_skb() failed for msg size[%d] drop count = %u\n", |
| 1045 | __func__, MAX_LOGMSG_LENGTH, |
| 1046 | gwlan_logging.drop_count); |
| 1047 | } |
| 1048 | rate_limit = 1; |
| 1049 | ret = -ENOMEM; |
| 1050 | break; |
| 1051 | } |
| 1052 | |
| 1053 | spin_lock_irqsave(&gwlan_logging.pkt_stats_lock, flags); |
| 1054 | |
| 1055 | plog_msg = (struct pkt_stats_msg *) |
| 1056 | (gwlan_logging.pkt_stat_filled_list.next); |
| 1057 | list_del_init(gwlan_logging.pkt_stat_filled_list.next); |
| 1058 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, flags); |
| 1059 | |
| 1060 | vos_mem_zero(&pktlog, sizeof(vos_log_pktlog_info)); |
| 1061 | vos_log_set_code(&pktlog, LOG_WLAN_PKT_LOG_INFO_C); |
| 1062 | |
| 1063 | pktlog.version = VERSION_LOG_WLAN_PKT_LOG_INFO_C; |
| 1064 | pktlog.buf_len = plog_msg->skb->len; |
| 1065 | vos_log_set_length(&pktlog.log_hdr, plog_msg->skb->len + |
| 1066 | sizeof(vos_log_pktlog_info)); |
| 1067 | pktlog.seq_no = gwlan_logging.pkt_stats_msg_idx++; |
| 1068 | |
| 1069 | if (unlikely(skb_headroom(plog_msg->skb) < sizeof(vos_log_pktlog_info))) { |
| 1070 | pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| 1071 | " data[%p], req[%zu]", __LINE__, plog_msg->skb->head, |
| 1072 | plog_msg->skb->data, sizeof(msg_header)); |
| 1073 | ret = -EIO; |
| 1074 | goto err; |
| 1075 | } |
| 1076 | vos_mem_copy(skb_push(plog_msg->skb, sizeof(vos_log_pktlog_info)), &pktlog, |
| 1077 | sizeof(vos_log_pktlog_info)); |
| 1078 | |
| 1079 | if (unlikely(skb_headroom(plog_msg->skb) < sizeof(int))) { |
| 1080 | pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| 1081 | " data[%p], req[%zu]", __LINE__, plog_msg->skb->head, |
| 1082 | plog_msg->skb->data, sizeof(int)); |
| 1083 | ret = -EIO; |
| 1084 | goto err; |
| 1085 | } |
| 1086 | |
| 1087 | diag_type = DIAG_TYPE_LOGS; |
| 1088 | vos_mem_copy(skb_push(plog_msg->skb, sizeof(int)), &diag_type, |
| 1089 | sizeof(int)); |
| 1090 | |
| 1091 | extra_header_len = sizeof(msg_header.radio) + sizeof(tAniHdr); |
| 1092 | nl_payload_len = NLMSG_ALIGN(extra_header_len + plog_msg->skb->len); |
| 1093 | |
| 1094 | msg_header.nlh.nlmsg_type = ANI_NL_MSG_PUMAC; |
| 1095 | msg_header.nlh.nlmsg_len = nl_payload_len; |
| 1096 | msg_header.nlh.nlmsg_flags = NLM_F_REQUEST; |
| 1097 | msg_header.nlh.nlmsg_pid = 0; |
| 1098 | msg_header.nlh.nlmsg_seq = nlmsg_seq++; |
| 1099 | |
| 1100 | msg_header.radio = 0; |
| 1101 | |
| 1102 | msg_header.wmsg.type = PTT_MSG_DIAG_CMDS_TYPE; |
| 1103 | msg_header.wmsg.length = plog_msg->skb->len; |
| 1104 | |
| 1105 | if (unlikely(skb_headroom(plog_msg->skb) < sizeof(msg_header))) { |
| 1106 | pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| 1107 | " data[%p], req[%zu]", __LINE__, plog_msg->skb->head, |
| 1108 | plog_msg->skb->data, sizeof(msg_header)); |
| 1109 | ret = -EIO; |
| 1110 | goto err; |
| 1111 | } |
| 1112 | |
| 1113 | vos_mem_copy(skb_push(plog_msg->skb, sizeof(msg_header)), &msg_header, |
| 1114 | sizeof(msg_header)); |
| 1115 | |
| 1116 | ret = nl_srv_bcast(plog_msg->skb); |
| 1117 | if (ret < 0) { |
| 1118 | pr_info("%s: Send Failed %d drop_count = %u\n", |
| 1119 | __func__, ret, ++gwlan_logging.fw_log_pkt_drop_cnt); |
| 1120 | } else { |
| 1121 | ret = 0; |
| 1122 | } |
| 1123 | err: |
| 1124 | spin_lock_irqsave(&gwlan_logging.pkt_stats_lock, flags); |
| 1125 | plog_msg->skb = skb_new; |
| 1126 | list_add_tail(&plog_msg->node, |
| 1127 | &gwlan_logging.pkt_stat_free_list); |
| 1128 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, flags); |
| 1129 | ret = 0; |
| 1130 | } |
| 1131 | |
| 1132 | return ret; |
| 1133 | } |
| 1134 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1135 | /** |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 1136 | * wlan_logging_detect_thread_stuck_cb()- Call back of the |
| 1137 | * thread stuck timer to detect thread stuck |
| 1138 | * by probing the MC, TX, RX threads and take action if |
| 1139 | * Thread doesnt respond. |
| 1140 | * @priv: timer data. |
| 1141 | * This function is called when the thread stuck timer expire |
| 1142 | * to detect thread stuck |
| 1143 | * and probe threads. |
| 1144 | * |
| 1145 | * Return: void |
| 1146 | */ |
| 1147 | static void wlan_logging_detect_thread_stuck_cb(void *priv) |
| 1148 | { |
| 1149 | unsigned long flags; |
| 1150 | |
| 1151 | spin_lock_irqsave(&gwlan_logging.thread_stuck_lock, flags); |
| 1152 | |
| 1153 | if ((gwlan_logging.mcThreadStuckCount == THREAD_STUCK_COUNT) || |
| 1154 | (gwlan_logging.txThreadStuckCount == THREAD_STUCK_COUNT) || |
| 1155 | (gwlan_logging.rxThreadStuckCount == THREAD_STUCK_COUNT)) { |
| 1156 | spin_unlock_irqrestore(&gwlan_logging.thread_stuck_lock, flags); |
| 1157 | pr_err("%s: %s Thread Stuck !!!\n", __func__, |
| 1158 | ((gwlan_logging.mcThreadStuckCount == THREAD_STUCK_COUNT)? |
| 1159 | "MC" : (gwlan_logging.mcThreadStuckCount == |
| 1160 | THREAD_STUCK_COUNT)? "TX" : "RX")); |
| 1161 | VOS_BUG(0); |
| 1162 | return; |
| 1163 | } |
| 1164 | |
| 1165 | /* Increment the thread stuck count for all threads */ |
| 1166 | gwlan_logging.mcThreadStuckCount++; |
| 1167 | gwlan_logging.txThreadStuckCount++; |
| 1168 | gwlan_logging.rxThreadStuckCount++; |
| 1169 | |
| 1170 | spin_unlock_irqrestore(&gwlan_logging.thread_stuck_lock, flags); |
| 1171 | vos_probe_threads(); |
| 1172 | |
| 1173 | /* Restart the timer */ |
| 1174 | if (VOS_STATUS_SUCCESS != |
| 1175 | vos_timer_start(&gwlan_logging.threadStuckTimer, |
| 1176 | THREAD_STUCK_TIMER_VAL)) |
| 1177 | pr_err("%s: Unable to start thread stuck timer\n", __func__); |
| 1178 | } |
| 1179 | |
| 1180 | /** |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1181 | * wlan_logging_thread() - The WLAN Logger thread |
| 1182 | * @Arg - pointer to the HDD context |
| 1183 | * |
| 1184 | * This thread logs log message to App registered for the logs. |
| 1185 | */ |
| 1186 | static int wlan_logging_thread(void *Arg) |
| 1187 | { |
| 1188 | int ret_wait_status = 0; |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 1189 | int ret = 0; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1190 | |
| 1191 | set_user_nice(current, -2); |
| 1192 | |
| 1193 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0)) |
| 1194 | daemonize("wlan_logging_thread"); |
| 1195 | #endif |
| 1196 | |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 1197 | /* Initialize the timer to detect thread stuck issues */ |
| 1198 | if (vos_timer_init(&gwlan_logging.threadStuckTimer, VOS_TIMER_TYPE_SW, |
| 1199 | wlan_logging_detect_thread_stuck_cb, NULL)) { |
| 1200 | pr_err("%s: Unable to initialize thread stuck timer\n", __func__); |
| 1201 | } else { |
| 1202 | if (VOS_STATUS_SUCCESS != |
| 1203 | vos_timer_start(&gwlan_logging.threadStuckTimer, |
| 1204 | THREAD_STUCK_TIMER_VAL)) |
| 1205 | pr_err("%s: Unable to start thread stuck timer\n", |
| 1206 | __func__); |
| 1207 | else |
| 1208 | pr_info("%s: Successfully started thread stuck timer\n", |
| 1209 | __func__); |
| 1210 | } |
| 1211 | |
| 1212 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1213 | while (!gwlan_logging.exit) { |
| 1214 | ret_wait_status = wait_event_interruptible( |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1215 | gwlan_logging.wait_queue, |
| 1216 | (test_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag) || |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1217 | gwlan_logging.exit || |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 1218 | test_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, |
| 1219 | &gwlan_logging.event_flag) || |
| 1220 | test_bit(LOGGER_FW_LOG_PKT_POST_MASK, |
| 1221 | &gwlan_logging.event_flag) || |
| 1222 | test_bit(LOGGER_FATAL_EVENT_POST_MASK, |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1223 | &gwlan_logging.event_flag) || |
| 1224 | test_bit(LOGGER_FW_MEM_DUMP_PKT_POST_MASK,&gwlan_logging.event_flag) || |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1225 | test_bit(LOGGER_FW_MEM_DUMP_PKT_POST_DONE_MASK, &gwlan_logging.event_flag)|| |
| 1226 | test_bit(HOST_PKT_STATS_POST_MASK, |
| 1227 | &gwlan_logging.event_flag))); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1228 | |
| 1229 | if (ret_wait_status == -ERESTARTSYS) { |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1230 | pr_err("%s: wait_event return -ERESTARTSYS", __func__); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1231 | break; |
| 1232 | } |
| 1233 | |
| 1234 | if (gwlan_logging.exit) { |
c_hpothu | 0424d04 | 2014-11-19 19:37:14 +0530 | [diff] [blame] | 1235 | break; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1236 | } |
| 1237 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1238 | if (test_and_clear_bit(HOST_LOG_POST_MASK, |
| 1239 | &gwlan_logging.event_flag)) { |
| 1240 | ret = send_filled_buffers_to_user(); |
| 1241 | if (-ENOMEM == ret) { |
| 1242 | msleep(200); |
| 1243 | } |
| 1244 | } |
| 1245 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1246 | if (test_and_clear_bit(LOGGER_FW_LOG_PKT_POST_MASK, |
| 1247 | &gwlan_logging.event_flag)) { |
| 1248 | send_fw_log_pkt_to_user(); |
| 1249 | } |
| 1250 | |
| 1251 | if (test_and_clear_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1252 | &gwlan_logging.event_flag)) { |
| 1253 | send_data_mgmt_log_pkt_to_user(); |
Vinay Krishna Eranna | c253297 | 2014-06-26 22:25:19 +0530 | [diff] [blame] | 1254 | } |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1255 | |
| 1256 | if (test_and_clear_bit(LOGGER_FATAL_EVENT_POST_MASK, |
| 1257 | &gwlan_logging.event_flag)) { |
| 1258 | if (gwlan_logging.log_complete.is_flush_complete == true) { |
| 1259 | gwlan_logging.log_complete.is_flush_complete = false; |
| 1260 | vos_send_fatal_event_done(); |
| 1261 | } |
| 1262 | else { |
| 1263 | gwlan_logging.log_complete.is_flush_complete = true; |
| 1264 | set_bit(HOST_LOG_POST_MASK,&gwlan_logging.event_flag); |
| 1265 | set_bit(LOGGER_FW_LOG_PKT_POST_MASK,&gwlan_logging.event_flag); |
| 1266 | set_bit(LOGGER_FATAL_EVENT_POST_MASK,&gwlan_logging.event_flag); |
| 1267 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1268 | } |
| 1269 | } |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1270 | |
| 1271 | if (test_and_clear_bit(LOGGER_FW_MEM_DUMP_PKT_POST_MASK, |
| 1272 | &gwlan_logging.event_flag)) { |
| 1273 | fill_fw_mem_dump_buffer(); |
| 1274 | } |
| 1275 | if(test_and_clear_bit(LOGGER_FW_MEM_DUMP_PKT_POST_DONE_MASK,&gwlan_logging.event_flag)){ |
| 1276 | /*indicate to user space that mem dump is complete */ |
| 1277 | fill_fw_mem_dump_buffer(); |
| 1278 | wlan_indicate_mem_dump_complete(true); |
| 1279 | } |
| 1280 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1281 | if (test_and_clear_bit(HOST_PKT_STATS_POST_MASK, |
| 1282 | &gwlan_logging.event_flag)) { |
| 1283 | send_per_pkt_stats_to_user(); |
| 1284 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1285 | } |
| 1286 | |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 1287 | vos_timer_destroy(&gwlan_logging.threadStuckTimer); |
| 1288 | |
Vinay Krishna Eranna | d1d284f | 2014-10-28 20:09:55 +0530 | [diff] [blame] | 1289 | complete_and_exit(&gwlan_logging.shutdown_comp, 0); |
| 1290 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1291 | return 0; |
| 1292 | } |
| 1293 | |
| 1294 | /* |
| 1295 | * Process all the Netlink messages from Logger Socket app in user space |
| 1296 | */ |
| 1297 | static int wlan_logging_proc_sock_rx_msg(struct sk_buff *skb) |
| 1298 | { |
| 1299 | tAniNlHdr *wnl; |
| 1300 | int radio; |
| 1301 | int type; |
| 1302 | int ret; |
| 1303 | |
Hanumantha Reddy Pothula | 05b0b55 | 2015-06-18 14:26:10 +0530 | [diff] [blame] | 1304 | if (TRUE == vos_isUnloadInProgress()) |
| 1305 | { |
| 1306 | pr_info("%s: unload in progress\n",__func__); |
| 1307 | return -ENODEV; |
| 1308 | } |
| 1309 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1310 | wnl = (tAniNlHdr *) skb->data; |
| 1311 | radio = wnl->radio; |
| 1312 | type = wnl->nlh.nlmsg_type; |
| 1313 | |
| 1314 | if (radio < 0 || radio > ANI_MAX_RADIOS) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1315 | pr_err("%s: invalid radio id [%d]\n", |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1316 | __func__, radio); |
| 1317 | return -EINVAL; |
| 1318 | } |
| 1319 | |
| 1320 | if (gapp_pid != INVALID_PID) { |
| 1321 | if (wnl->nlh.nlmsg_pid > gapp_pid) { |
| 1322 | gapp_pid = wnl->nlh.nlmsg_pid; |
| 1323 | } |
| 1324 | |
| 1325 | spin_lock_bh(&gwlan_logging.spin_lock); |
| 1326 | if (gwlan_logging.pcur_node->filled_length) { |
| 1327 | wlan_queue_logmsg_for_app(); |
| 1328 | } |
| 1329 | spin_unlock_bh(&gwlan_logging.spin_lock); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1330 | set_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1331 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1332 | } else { |
| 1333 | /* This is to set the default levels (WLAN logging |
| 1334 | * default values not the VOS trace default) when |
| 1335 | * logger app is registered for the first time. |
| 1336 | */ |
| 1337 | gapp_pid = wnl->nlh.nlmsg_pid; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1338 | } |
| 1339 | |
| 1340 | ret = wlan_send_sock_msg_to_app(&wnl->wmsg, 0, |
| 1341 | ANI_NL_MSG_LOG, wnl->nlh.nlmsg_pid); |
| 1342 | if (ret < 0) { |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1343 | pr_err("wlan_send_sock_msg_to_app: failed"); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1344 | } |
| 1345 | |
| 1346 | return ret; |
| 1347 | } |
| 1348 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1349 | void wlan_init_log_completion(void) |
| 1350 | { |
| 1351 | gwlan_logging.log_complete.indicator = WLAN_LOG_TYPE_NON_FATAL; |
| 1352 | gwlan_logging.log_complete.is_fatal = WLAN_LOG_INDICATOR_UNUSED; |
| 1353 | gwlan_logging.log_complete.is_report_in_progress = false; |
| 1354 | gwlan_logging.log_complete.reason_code = WLAN_LOG_REASON_CODE_UNUSED; |
| 1355 | |
| 1356 | spin_lock_init(&gwlan_logging.bug_report_lock); |
| 1357 | } |
| 1358 | |
| 1359 | int wlan_set_log_completion(uint32 is_fatal, |
| 1360 | uint32 indicator, |
| 1361 | uint32 reason_code) |
| 1362 | { |
| 1363 | unsigned long flags; |
| 1364 | |
| 1365 | spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| 1366 | gwlan_logging.log_complete.indicator = indicator; |
| 1367 | gwlan_logging.log_complete.is_fatal = is_fatal; |
| 1368 | gwlan_logging.log_complete.is_report_in_progress = true; |
| 1369 | gwlan_logging.log_complete.reason_code = reason_code; |
| 1370 | spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1371 | return 0; |
| 1372 | } |
| 1373 | void wlan_get_log_completion(uint32 *is_fatal, |
| 1374 | uint32 *indicator, |
| 1375 | uint32 *reason_code) |
| 1376 | { |
| 1377 | unsigned long flags; |
| 1378 | |
| 1379 | spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| 1380 | *indicator = gwlan_logging.log_complete.indicator; |
| 1381 | *is_fatal = gwlan_logging.log_complete.is_fatal; |
| 1382 | *reason_code = gwlan_logging.log_complete.reason_code; |
| 1383 | gwlan_logging.log_complete.is_report_in_progress = false; |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1384 | spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1385 | } |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 1386 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1387 | bool wlan_is_log_report_in_progress(void) |
| 1388 | { |
| 1389 | return gwlan_logging.log_complete.is_report_in_progress; |
| 1390 | } |
| 1391 | |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 1392 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1393 | void wlan_reset_log_report_in_progress(void) |
| 1394 | { |
| 1395 | unsigned long flags; |
| 1396 | |
| 1397 | spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| 1398 | gwlan_logging.log_complete.is_report_in_progress = false; |
| 1399 | spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
| 1400 | } |
| 1401 | |
| 1402 | |
| 1403 | void wlan_deinit_log_completion(void) |
| 1404 | { |
| 1405 | return; |
| 1406 | } |
| 1407 | |
| 1408 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1409 | int wlan_logging_sock_activate_svc(int log_fe_to_console, int num_buf, |
| 1410 | int pkt_stats_enabled, int pkt_stats_buff) |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1411 | { |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1412 | int i, j = 0; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1413 | unsigned long irq_flag; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1414 | bool failure = FALSE; |
| 1415 | |
| 1416 | pr_info("%s: Initalizing FEConsoleLog = %d NumBuff = %d\n", |
| 1417 | __func__, log_fe_to_console, num_buf); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1418 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1419 | gapp_pid = INVALID_PID; |
| 1420 | |
Vinay Krishna Eranna | 0b11262 | 2014-04-21 20:17:57 +0530 | [diff] [blame] | 1421 | gplog_msg = (struct log_msg *) vmalloc( |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1422 | num_buf * sizeof(struct log_msg)); |
| 1423 | if (!gplog_msg) { |
| 1424 | pr_err("%s: Could not allocate memory\n", __func__); |
| 1425 | return -ENOMEM; |
| 1426 | } |
| 1427 | |
| 1428 | vos_mem_zero(gplog_msg, (num_buf * sizeof(struct log_msg))); |
| 1429 | |
| 1430 | gwlan_logging.log_fe_to_console = !!log_fe_to_console; |
| 1431 | gwlan_logging.num_buf = num_buf; |
| 1432 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1433 | spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
| 1434 | INIT_LIST_HEAD(&gwlan_logging.free_list); |
| 1435 | INIT_LIST_HEAD(&gwlan_logging.filled_list); |
| 1436 | |
| 1437 | for (i = 0; i < num_buf; i++) { |
| 1438 | list_add(&gplog_msg[i].node, &gwlan_logging.free_list); |
| 1439 | gplog_msg[i].index = i; |
| 1440 | } |
| 1441 | gwlan_logging.pcur_node = (struct log_msg *) |
| 1442 | (gwlan_logging.free_list.next); |
| 1443 | list_del_init(gwlan_logging.free_list.next); |
| 1444 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1445 | if(pkt_stats_enabled) |
| 1446 | { |
| 1447 | pr_info("%s: Initalizing Pkt stats pkt_stats_buff = %d\n", |
| 1448 | __func__, pkt_stats_buff); |
| 1449 | pkt_stats_buffers = (struct pkt_stats_msg *) kzalloc( |
| 1450 | pkt_stats_buff * sizeof(struct pkt_stats_msg), GFP_KERNEL); |
| 1451 | if (!pkt_stats_buffers) { |
| 1452 | pr_err("%s: Could not allocate memory for Pkt stats\n", __func__); |
| 1453 | failure = TRUE; |
| 1454 | goto err; |
| 1455 | } |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1456 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1457 | gwlan_logging.pkt_stat_num_buf = pkt_stats_buff; |
| 1458 | |
| 1459 | gwlan_logging.pkt_stats_msg_idx = 0; |
| 1460 | INIT_LIST_HEAD(&gwlan_logging.pkt_stat_free_list); |
| 1461 | INIT_LIST_HEAD(&gwlan_logging.pkt_stat_filled_list); |
| 1462 | |
| 1463 | for (i = 0; i < pkt_stats_buff; i++) { |
| 1464 | pkt_stats_buffers[i].skb= dev_alloc_skb(MAX_PKTSTATS_LOG_LENGTH); |
| 1465 | if (pkt_stats_buffers[i].skb == NULL) |
| 1466 | { |
| 1467 | pr_err("%s: Memory alloc failed for skb",__func__); |
| 1468 | /* free previously allocated skb and return;*/ |
| 1469 | for (j = 0; j<i ; j++) |
| 1470 | { |
| 1471 | dev_kfree_skb(pkt_stats_buffers[j].skb); |
| 1472 | } |
| 1473 | spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
| 1474 | vos_mem_free(pkt_stats_buffers); |
| 1475 | pkt_stats_buffers = NULL; |
| 1476 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
| 1477 | failure = TRUE; |
| 1478 | goto err; |
| 1479 | } |
| 1480 | list_add(&pkt_stats_buffers[i].node, |
| 1481 | &gwlan_logging.pkt_stat_free_list); |
| 1482 | |
| 1483 | } |
| 1484 | gwlan_logging.pkt_stats_pcur_node = (struct pkt_stats_msg *) |
| 1485 | (gwlan_logging.pkt_stat_free_list.next); |
| 1486 | list_del_init(gwlan_logging.pkt_stat_free_list.next); |
| 1487 | gwlan_logging.pkt_stats_enabled = TRUE; |
| 1488 | } |
| 1489 | err: |
| 1490 | if (failure) |
| 1491 | gwlan_logging.pkt_stats_enabled = false; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1492 | init_waitqueue_head(&gwlan_logging.wait_queue); |
| 1493 | gwlan_logging.exit = false; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1494 | clear_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1495 | clear_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, &gwlan_logging.event_flag); |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1496 | clear_bit(LOGGER_FW_LOG_PKT_POST_MASK, &gwlan_logging.event_flag); |
| 1497 | clear_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1498 | clear_bit(HOST_PKT_STATS_POST_MASK, &gwlan_logging.event_flag); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1499 | init_completion(&gwlan_logging.shutdown_comp); |
| 1500 | gwlan_logging.thread = kthread_create(wlan_logging_thread, NULL, |
| 1501 | "wlan_logging_thread"); |
| 1502 | if (IS_ERR(gwlan_logging.thread)) { |
| 1503 | pr_err("%s: Could not Create LogMsg Thread Controller", |
| 1504 | __func__); |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1505 | spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
Vinay Krishna Eranna | 6c158fa | 2014-05-13 00:42:41 +0530 | [diff] [blame] | 1506 | vfree(gplog_msg); |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1507 | gplog_msg = NULL; |
| 1508 | gwlan_logging.pcur_node = NULL; |
| 1509 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1510 | return -ENOMEM; |
| 1511 | } |
| 1512 | wake_up_process(gwlan_logging.thread); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1513 | gwlan_logging.is_active = true; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1514 | |
| 1515 | nl_srv_register(ANI_NL_MSG_LOG, wlan_logging_proc_sock_rx_msg); |
| 1516 | |
Sushant Kaushik | 9cb1c9c | 2015-06-23 11:57:10 +0530 | [diff] [blame] | 1517 | //Broadcast SVC ready message to logging app/s running |
| 1518 | wlan_logging_srv_nl_ready_indication(); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1519 | return 0; |
| 1520 | } |
| 1521 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1522 | int wlan_logging_flush_pkt_queue(void) |
| 1523 | { |
| 1524 | vos_pkt_t *pkt_queue_head; |
| 1525 | unsigned long flags; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1526 | spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| 1527 | if (NULL != gwlan_logging.data_mgmt_pkt_queue) { |
| 1528 | pkt_queue_head = gwlan_logging.data_mgmt_pkt_queue; |
| 1529 | gwlan_logging.data_mgmt_pkt_queue = NULL; |
| 1530 | gwlan_logging.pkt_drop_cnt = 0; |
| 1531 | gwlan_logging.data_mgmt_pkt_qcnt = 0; |
| 1532 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| 1533 | flags); |
| 1534 | vos_pkt_return_packet(pkt_queue_head); |
| 1535 | } else { |
| 1536 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| 1537 | flags); |
| 1538 | } |
| 1539 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1540 | spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| 1541 | if (NULL != gwlan_logging.fw_log_pkt_queue) { |
| 1542 | pkt_queue_head = gwlan_logging.fw_log_pkt_queue; |
| 1543 | gwlan_logging.fw_log_pkt_queue = NULL; |
| 1544 | gwlan_logging.fw_log_pkt_drop_cnt = 0; |
| 1545 | gwlan_logging.fw_log_pkt_qcnt = 0; |
| 1546 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| 1547 | flags); |
| 1548 | vos_pkt_return_packet(pkt_queue_head); |
| 1549 | } else { |
| 1550 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| 1551 | flags); |
| 1552 | } |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1553 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1554 | if (NULL != gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue) { |
| 1555 | pkt_queue_head = gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue; |
| 1556 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, |
| 1557 | flags); |
| 1558 | vos_pkt_return_packet(pkt_queue_head); |
| 1559 | wlan_free_fwr_mem_dump_buffer(); |
| 1560 | } else { |
| 1561 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, |
| 1562 | flags); |
| 1563 | } |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1564 | return 0; |
| 1565 | } |
| 1566 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1567 | int wlan_logging_sock_deactivate_svc(void) |
| 1568 | { |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1569 | unsigned long irq_flag; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1570 | int i; |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1571 | |
| 1572 | if (!gplog_msg) |
| 1573 | return 0; |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1574 | |
| 1575 | nl_srv_unregister(ANI_NL_MSG_LOG, wlan_logging_proc_sock_rx_msg); |
| 1576 | clear_default_logtoapp_log_level(); |
| 1577 | gapp_pid = INVALID_PID; |
| 1578 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1579 | INIT_COMPLETION(gwlan_logging.shutdown_comp); |
Vinay Krishna Eranna | d1d284f | 2014-10-28 20:09:55 +0530 | [diff] [blame] | 1580 | gwlan_logging.exit = true; |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1581 | gwlan_logging.is_active = false; |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 1582 | vos_set_multicast_logging(0); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1583 | wake_up_interruptible(&gwlan_logging.wait_queue); |
Vinay Krishna Eranna | d1d284f | 2014-10-28 20:09:55 +0530 | [diff] [blame] | 1584 | wait_for_completion(&gwlan_logging.shutdown_comp); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1585 | |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1586 | spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
Vinay Krishna Eranna | 0b11262 | 2014-04-21 20:17:57 +0530 | [diff] [blame] | 1587 | vfree(gplog_msg); |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 1588 | gplog_msg = NULL; |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1589 | gwlan_logging.pcur_node = NULL; |
| 1590 | spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1591 | |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1592 | spin_lock_irqsave(&gwlan_logging.pkt_stats_lock, irq_flag); |
| 1593 | /* free allocated skb */ |
| 1594 | for (i = 0; i < gwlan_logging.pkt_stat_num_buf; i++) |
| 1595 | { |
| 1596 | if (pkt_stats_buffers[i].skb) |
| 1597 | dev_kfree_skb(pkt_stats_buffers[i].skb); |
| 1598 | } |
| 1599 | if(pkt_stats_buffers) |
| 1600 | vos_mem_free(pkt_stats_buffers); |
| 1601 | pkt_stats_buffers = NULL; |
| 1602 | gwlan_logging.pkt_stats_pcur_node = NULL; |
| 1603 | gwlan_logging.pkt_stats_enabled = false; |
| 1604 | spin_unlock_irqrestore(&gwlan_logging.pkt_stats_lock, irq_flag); |
| 1605 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1606 | wlan_logging_flush_pkt_queue(); |
| 1607 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 1608 | return 0; |
| 1609 | } |
| 1610 | |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1611 | int wlan_logging_sock_init_svc(void) |
| 1612 | { |
| 1613 | spin_lock_init(&gwlan_logging.spin_lock); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1614 | spin_lock_init(&gwlan_logging.data_mgmt_pkt_lock); |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1615 | spin_lock_init(&gwlan_logging.fw_log_pkt_lock); |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1616 | spin_lock_init(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock); |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1617 | spin_lock_init(&gwlan_logging.pkt_stats_lock); |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1618 | gapp_pid = INVALID_PID; |
| 1619 | gwlan_logging.pcur_node = NULL; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1620 | gwlan_logging.pkt_stats_pcur_node= NULL; |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1621 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1622 | wlan_init_log_completion(); |
| 1623 | |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | int wlan_logging_sock_deinit_svc(void) |
| 1628 | { |
| 1629 | gwlan_logging.pcur_node = NULL; |
Sushant Kaushik | 3320057 | 2015-08-05 16:46:20 +0530 | [diff] [blame] | 1630 | gwlan_logging.pkt_stats_pcur_node = NULL; |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1631 | gapp_pid = INVALID_PID; |
| 1632 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1633 | wlan_deinit_log_completion(); |
| 1634 | return 0; |
Vinay Krishna Eranna | 273ec5a | 2014-05-10 18:05:25 +0530 | [diff] [blame] | 1635 | } |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1636 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1637 | int wlan_queue_data_mgmt_pkt_for_app(vos_pkt_t *pPacket) |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1638 | { |
| 1639 | unsigned long flags; |
| 1640 | vos_pkt_t *next_pkt; |
| 1641 | vos_pkt_t *free_pkt; |
| 1642 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1643 | |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1644 | spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1645 | if (gwlan_logging.data_mgmt_pkt_qcnt >= LOGGER_MAX_DATA_MGMT_PKT_Q_LEN) { |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1646 | status = vos_pkt_walk_packet_chain( |
| 1647 | gwlan_logging.data_mgmt_pkt_queue, &next_pkt, TRUE); |
| 1648 | /*both "success" and "empty" are acceptable results*/ |
| 1649 | if (!((status == VOS_STATUS_SUCCESS) || |
| 1650 | (status == VOS_STATUS_E_EMPTY))) { |
| 1651 | ++gwlan_logging.pkt_drop_cnt; |
| 1652 | spin_unlock_irqrestore( |
| 1653 | &gwlan_logging.data_mgmt_pkt_lock, flags); |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1654 | pr_err("%s: Failure walking packet chain", __func__); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1655 | /*keep returning pkts to avoid low resource cond*/ |
| 1656 | vos_pkt_return_packet(pPacket); |
| 1657 | return VOS_STATUS_E_FAILURE; |
| 1658 | } |
| 1659 | |
| 1660 | free_pkt = gwlan_logging.data_mgmt_pkt_queue; |
| 1661 | gwlan_logging.data_mgmt_pkt_queue = next_pkt; |
| 1662 | /*returning head of pkt queue. latest pkts are important*/ |
| 1663 | --gwlan_logging.data_mgmt_pkt_qcnt; |
| 1664 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| 1665 | flags); |
| 1666 | vos_pkt_return_packet(free_pkt); |
| 1667 | } else { |
| 1668 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| 1669 | flags); |
| 1670 | } |
| 1671 | |
| 1672 | spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| 1673 | |
| 1674 | if (gwlan_logging.data_mgmt_pkt_queue) { |
| 1675 | vos_pkt_chain_packet(gwlan_logging.data_mgmt_pkt_queue, |
| 1676 | pPacket, TRUE); |
| 1677 | } else { |
| 1678 | gwlan_logging.data_mgmt_pkt_queue = pPacket; |
| 1679 | } |
| 1680 | ++gwlan_logging.data_mgmt_pkt_qcnt; |
| 1681 | |
| 1682 | spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| 1683 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1684 | set_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, &gwlan_logging.event_flag); |
Siddharth Bhal | 7bd1993 | 2015-03-03 16:54:36 +0530 | [diff] [blame] | 1685 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1686 | |
| 1687 | return VOS_STATUS_SUCCESS; |
| 1688 | } |
| 1689 | |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 1690 | /** |
| 1691 | * wlan_logging_set_log_level() - Set the logging level |
| 1692 | * |
| 1693 | * This function is used to set the logging level of host debug messages |
| 1694 | * |
| 1695 | * Return: None |
| 1696 | */ |
| 1697 | void wlan_logging_set_log_level(void) |
| 1698 | { |
| 1699 | set_default_logtoapp_log_level(); |
| 1700 | } |
| 1701 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1702 | int wlan_queue_fw_log_pkt_for_app(vos_pkt_t *pPacket) |
| 1703 | { |
| 1704 | unsigned long flags; |
| 1705 | vos_pkt_t *next_pkt; |
| 1706 | vos_pkt_t *free_pkt; |
| 1707 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1708 | |
| 1709 | spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| 1710 | if (gwlan_logging.fw_log_pkt_qcnt >= LOGGER_MAX_FW_LOG_PKT_Q_LEN) { |
| 1711 | status = vos_pkt_walk_packet_chain( |
| 1712 | gwlan_logging.fw_log_pkt_queue, &next_pkt, TRUE); |
| 1713 | /*both "success" and "empty" are acceptable results*/ |
| 1714 | if (!((status == VOS_STATUS_SUCCESS) || |
| 1715 | (status == VOS_STATUS_E_EMPTY))) { |
| 1716 | ++gwlan_logging.fw_log_pkt_drop_cnt; |
| 1717 | spin_unlock_irqrestore( |
| 1718 | &gwlan_logging.fw_log_pkt_lock, flags); |
| 1719 | pr_err("%s: Failure walking packet chain", __func__); |
| 1720 | /*keep returning pkts to avoid low resource cond*/ |
| 1721 | vos_pkt_return_packet(pPacket); |
| 1722 | return VOS_STATUS_E_FAILURE; |
| 1723 | } |
| 1724 | |
| 1725 | free_pkt = gwlan_logging.fw_log_pkt_queue; |
| 1726 | gwlan_logging.fw_log_pkt_queue = next_pkt; |
| 1727 | /*returning head of pkt queue. latest pkts are important*/ |
| 1728 | --gwlan_logging.fw_log_pkt_qcnt; |
| 1729 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| 1730 | flags); |
| 1731 | vos_pkt_return_packet(free_pkt); |
| 1732 | } else { |
| 1733 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| 1734 | flags); |
| 1735 | } |
| 1736 | |
| 1737 | spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| 1738 | |
| 1739 | if (gwlan_logging.fw_log_pkt_queue) { |
| 1740 | vos_pkt_chain_packet(gwlan_logging.fw_log_pkt_queue, |
| 1741 | pPacket, TRUE); |
| 1742 | } else { |
| 1743 | gwlan_logging.fw_log_pkt_queue = pPacket; |
| 1744 | } |
| 1745 | ++gwlan_logging.fw_log_pkt_qcnt; |
| 1746 | |
| 1747 | spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, flags); |
| 1748 | |
| 1749 | set_bit(LOGGER_FW_LOG_PKT_POST_MASK, &gwlan_logging.event_flag); |
| 1750 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1751 | |
| 1752 | return VOS_STATUS_SUCCESS; |
| 1753 | } |
| 1754 | |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1755 | int wlan_queue_fw_mem_dump_for_app(vos_pkt_t *pPacket) |
| 1756 | { |
| 1757 | unsigned long flags; |
| 1758 | vos_pkt_t *next_pkt; |
| 1759 | vos_pkt_t *free_pkt; |
| 1760 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1761 | |
| 1762 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1763 | if (gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_qcnt >= LOGGER_MAX_FW_MEM_DUMP_PKT_Q_LEN) { |
| 1764 | status = vos_pkt_walk_packet_chain( |
| 1765 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue, &next_pkt, TRUE); |
| 1766 | /*both "success" and "empty" are acceptable results*/ |
| 1767 | if (!((status == VOS_STATUS_SUCCESS) || |
| 1768 | (status == VOS_STATUS_E_EMPTY))) { |
| 1769 | spin_unlock_irqrestore( |
| 1770 | &gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1771 | pr_err("%s: Failure walking packet chain", __func__); |
| 1772 | /*keep returning pkts to avoid low resource cond*/ |
| 1773 | vos_pkt_return_packet(pPacket); |
| 1774 | return VOS_STATUS_E_FAILURE; |
| 1775 | } |
| 1776 | |
| 1777 | free_pkt = gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue; |
| 1778 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue = next_pkt; |
| 1779 | /*returning head of pkt queue. latest pkts are important*/ |
| 1780 | --gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_qcnt; |
| 1781 | ++gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_drop_cnt ; |
| 1782 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, |
| 1783 | flags); |
| 1784 | pr_info("%s : fw mem_dump pkt cnt --> %d\n" ,__func__, gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_drop_cnt); |
| 1785 | vos_pkt_return_packet(free_pkt); |
| 1786 | } else { |
| 1787 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, |
| 1788 | flags); |
| 1789 | } |
| 1790 | |
| 1791 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1792 | |
| 1793 | if (gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue) { |
| 1794 | vos_pkt_chain_packet(gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue, |
| 1795 | pPacket, TRUE); |
| 1796 | } else { |
| 1797 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_queue = pPacket; |
| 1798 | } |
| 1799 | ++gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_qcnt; |
| 1800 | |
| 1801 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1802 | |
| 1803 | set_bit(LOGGER_FW_MEM_DUMP_PKT_POST_MASK, &gwlan_logging.event_flag); |
| 1804 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1805 | |
| 1806 | return VOS_STATUS_SUCCESS; |
| 1807 | } |
| 1808 | |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1809 | int wlan_queue_logpkt_for_app(vos_pkt_t *pPacket, uint32 pkt_type) |
| 1810 | { |
| 1811 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1812 | |
| 1813 | if (pPacket == NULL) { |
| 1814 | pr_err("%s: Null param", __func__); |
| 1815 | VOS_ASSERT(0); |
| 1816 | return VOS_STATUS_E_FAILURE; |
| 1817 | } |
| 1818 | |
| 1819 | if (gwlan_logging.is_active == false) { |
| 1820 | /*return all packets queued*/ |
| 1821 | wlan_logging_flush_pkt_queue(); |
| 1822 | |
| 1823 | /*return currently received pkt*/ |
| 1824 | vos_pkt_return_packet(pPacket); |
| 1825 | return VOS_STATUS_E_FAILURE; |
| 1826 | } |
| 1827 | |
| 1828 | switch (pkt_type) { |
Hanumantha Reddy Pothula | e00a7e2 | 2015-09-15 20:11:30 +0530 | [diff] [blame] | 1829 | case WLAN_MGMT_FRAME_LOGS: |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1830 | status = wlan_queue_data_mgmt_pkt_for_app(pPacket); |
| 1831 | break; |
| 1832 | |
Hanumantha Reddy Pothula | e00a7e2 | 2015-09-15 20:11:30 +0530 | [diff] [blame] | 1833 | case WLAN_FW_LOGS: |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1834 | status = wlan_queue_fw_log_pkt_for_app(pPacket); |
| 1835 | break; |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1836 | case WLAN_FW_MEMORY_DUMP: |
| 1837 | status = wlan_queue_fw_mem_dump_for_app(pPacket); |
| 1838 | break; |
Siddharth Bhal | ec0b72c | 2015-05-12 21:35:54 +0530 | [diff] [blame] | 1839 | |
| 1840 | default: |
| 1841 | pr_info("%s: Unknown pkt received %d", __func__, pkt_type); |
| 1842 | status = VOS_STATUS_E_INVAL; |
| 1843 | break; |
| 1844 | }; |
| 1845 | |
| 1846 | return status; |
| 1847 | } |
Sushant Kaushik | 215778f | 2015-05-21 14:05:36 +0530 | [diff] [blame] | 1848 | |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1849 | void wlan_process_done_indication(uint8 type, uint32 reason_code) |
| 1850 | { |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 1851 | <<<<<<< HEAD |
Hanumantha Reddy Pothula | e00a7e2 | 2015-09-15 20:11:30 +0530 | [diff] [blame] | 1852 | if ((type == WLAN_FW_LOGS) && (wlan_is_log_report_in_progress() == TRUE)) |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1853 | { |
| 1854 | pr_info("%s: Setting LOGGER_FATAL_EVENT\n", __func__); |
| 1855 | set_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1856 | wake_up_interruptible(&gwlan_logging.wait_queue); |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1857 | } |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1858 | if(type == WLAN_FW_MEMORY_DUMP) |
| 1859 | { |
| 1860 | pr_info("%s: Setting FW MEM DUMP LOGGER event\n", __func__); |
| 1861 | set_bit(LOGGER_FW_MEM_DUMP_PKT_POST_DONE_MASK, &gwlan_logging.event_flag); |
| 1862 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1863 | } |
| 1864 | |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 1865 | ======= |
| 1866 | if ((type == WLAN_FW_LOGS) && reason_code) |
| 1867 | { |
| 1868 | if(wlan_is_log_report_in_progress() == TRUE) |
| 1869 | { |
| 1870 | pr_info("%s : Setting LOGGER_FATAL_EVENT\n", __func__); |
| 1871 | set_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
| 1872 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1873 | } |
| 1874 | else |
| 1875 | { |
| 1876 | /*Firmware Initiated*/ |
| 1877 | pr_info("%s : FW triggered Fatal Event, reason_code : %d\n", __func__, |
| 1878 | reason_code); |
| 1879 | wlan_set_log_completion(WLAN_LOG_TYPE_FATAL, |
| 1880 | WLAN_LOG_INDICATOR_FIRMWARE, |
| 1881 | reason_code); |
| 1882 | set_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
| 1883 | wake_up_interruptible(&gwlan_logging.wait_queue); |
| 1884 | } |
| 1885 | } |
| 1886 | >>>>>>> 6ea54f9... wlan: Handle fatal event triggered from framework and FW |
Sachin Ahuja | 715aafc | 2015-07-21 23:35:10 +0530 | [diff] [blame] | 1887 | } |
| 1888 | |
Abhishek Singh | 880d712 | 2015-08-26 16:23:04 +0530 | [diff] [blame] | 1889 | /** |
| 1890 | * wlan_is_logger_thread()- Check if threadid is |
| 1891 | * of logger thread |
| 1892 | * |
| 1893 | * @threadId: passed threadid |
| 1894 | * |
| 1895 | * This function is called to check if threadid is |
| 1896 | * of logger thread. |
| 1897 | * |
| 1898 | * Return: true if threadid is of logger thread. |
| 1899 | */ |
| 1900 | bool wlan_is_logger_thread(int threadId) |
| 1901 | { |
| 1902 | return ((gwlan_logging.thread) && |
| 1903 | (threadId == gwlan_logging.thread->pid)); |
| 1904 | } |
| 1905 | |
| 1906 | /** |
| 1907 | * wlan_logging_reset_thread_stuck_count()- Callback to |
| 1908 | * probe msg sent to Threads. |
| 1909 | * |
| 1910 | * @threadId: passed threadid |
| 1911 | * |
| 1912 | * This function is called to by the thread after |
| 1913 | * processing the probe msg, with their own thread id. |
| 1914 | * |
| 1915 | * Return: void. |
| 1916 | */ |
| 1917 | void wlan_logging_reset_thread_stuck_count(int threadId) |
| 1918 | { |
| 1919 | unsigned long flags; |
| 1920 | |
| 1921 | spin_lock_irqsave(&gwlan_logging.thread_stuck_lock, flags); |
| 1922 | if (vos_sched_is_mc_thread(threadId)) |
| 1923 | gwlan_logging.mcThreadStuckCount = 0; |
| 1924 | else if (vos_sched_is_tx_thread(threadId)) |
| 1925 | gwlan_logging.txThreadStuckCount = 0; |
| 1926 | else if (vos_sched_is_rx_thread(threadId)) |
| 1927 | gwlan_logging.rxThreadStuckCount = 0; |
| 1928 | |
| 1929 | spin_unlock_irqrestore(&gwlan_logging.thread_stuck_lock, flags); |
| 1930 | } |
| 1931 | |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 1932 | <<<<<<< HEAD |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 1933 | int wlan_fwr_mem_dump_buffer_allocation(void) |
| 1934 | { |
| 1935 | /*Allocate the dump memory as reported by fw. |
| 1936 | or if feature not supported just report to the user */ |
| 1937 | if(gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size <= 0) |
| 1938 | { |
| 1939 | pr_err("%s: fw_mem_dump_req not supported by firmware", __func__); |
| 1940 | return -EFAULT; |
| 1941 | } |
| 1942 | gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc = |
| 1943 | (uint8 *)vos_mem_vmalloc(gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size); |
| 1944 | gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc = gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc; |
| 1945 | if(NULL == gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc) |
| 1946 | { |
| 1947 | pr_err("%s: fw_mem_dump_req alloc failed for size %d bytes", __func__,gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size); |
| 1948 | return -ENOMEM; |
| 1949 | } |
| 1950 | return 0; |
| 1951 | } |
| 1952 | |
| 1953 | /*set the current fw mem dump state*/ |
| 1954 | void wlan_set_fwr_mem_dump_state(enum FW_MEM_DUMP_STATE fw_mem_dump_state) |
| 1955 | { |
| 1956 | unsigned long flags; |
| 1957 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1958 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status = fw_mem_dump_state; |
| 1959 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1960 | } |
| 1961 | /*check for new request validity and free memory if present from previous request */ |
| 1962 | bool wlan_fwr_mem_dump_test_and_set_write_allowed_bit(){ |
| 1963 | unsigned long flags; |
| 1964 | bool ret = false; |
| 1965 | bool write_done = false; |
| 1966 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1967 | |
| 1968 | if(gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status == FW_MEM_DUMP_IDLE){ |
| 1969 | ret = true; |
| 1970 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status = FW_MEM_DUMP_WRITE_IN_PROGRESS; |
| 1971 | } |
| 1972 | else if(gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status == FW_MEM_DUMP_WRITE_DONE){ |
| 1973 | ret = true; |
| 1974 | write_done = true; |
| 1975 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status = FW_MEM_DUMP_WRITE_IN_PROGRESS; |
| 1976 | } |
| 1977 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1978 | pr_info("%s:fw mem dump state --> %d ", __func__,gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status); |
| 1979 | |
| 1980 | if(write_done) |
| 1981 | wlan_free_fwr_mem_dump_buffer(); |
| 1982 | return ret; |
| 1983 | } |
| 1984 | |
| 1985 | bool wlan_fwr_mem_dump_test_and_set_read_allowed_bit(){ |
| 1986 | unsigned long flags; |
| 1987 | bool ret=false; |
| 1988 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1989 | if(gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status == FW_MEM_DUMP_WRITE_DONE || |
| 1990 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status == FW_MEM_DUMP_READ_IN_PROGRESS ){ |
| 1991 | ret = true; |
| 1992 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status = FW_MEM_DUMP_READ_IN_PROGRESS; |
| 1993 | } |
| 1994 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 1995 | pr_info("%s:fw mem dump state --> %d ", __func__,gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status); |
| 1996 | |
| 1997 | return ret; |
| 1998 | } |
| 1999 | size_t wlan_fwr_mem_dump_fsread_handler(char __user *buf, |
| 2000 | size_t count, loff_t *pos) |
| 2001 | { |
| 2002 | if (buf == NULL || gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc == NULL) |
| 2003 | { |
| 2004 | pr_err("%s : start loc : %p buf : %p ",__func__,gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc,buf); |
| 2005 | return 0; |
| 2006 | } |
| 2007 | |
| 2008 | if (*pos < 0) { |
| 2009 | pr_err("Invalid start offset for memdump read"); |
| 2010 | return 0; |
| 2011 | } else if (*pos >= gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size || !count) { |
| 2012 | pr_err("No more data to copy"); |
| 2013 | return 0; |
| 2014 | } else if (count > gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size - *pos) { |
| 2015 | count = gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size - *pos; |
| 2016 | } |
| 2017 | if (copy_to_user(buf, gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc, count)) { |
| 2018 | pr_err("copy to user space failed"); |
| 2019 | return 0; |
| 2020 | } |
| 2021 | |
| 2022 | /* offset(pos) should be updated here based on the copy done*/ |
| 2023 | *pos += count; |
| 2024 | |
| 2025 | return count; |
| 2026 | } |
| 2027 | |
| 2028 | void wlan_free_fwr_mem_dump_buffer (void ) |
| 2029 | { |
| 2030 | unsigned long flags; |
| 2031 | void * tmp = NULL; |
| 2032 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2033 | tmp = gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc; |
| 2034 | gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc = NULL; |
| 2035 | gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc = NULL; |
| 2036 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2037 | // Don't set fw_dump_max_size to 0, only free the buffera |
| 2038 | if(tmp != NULL) |
| 2039 | vos_mem_vfree((void *)tmp); |
| 2040 | } |
| 2041 | |
| 2042 | void wlan_store_fwr_mem_dump_size(uint32 dump_size) |
| 2043 | { |
| 2044 | unsigned long flags; |
| 2045 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2046 | //Store the dump size |
| 2047 | gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size = dump_size; |
| 2048 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2049 | } |
| 2050 | /** |
| 2051 | * wlan_indicate_mem_dump_complete() - When H2H for mem |
| 2052 | * dump finish invoke the handler. |
| 2053 | * |
| 2054 | * This is a handler used to indicate user space about the |
| 2055 | * availability for firmware memory dump via vendor event. |
| 2056 | * |
| 2057 | * Return: None |
| 2058 | */ |
| 2059 | void wlan_indicate_mem_dump_complete(bool status ) |
| 2060 | { |
| 2061 | hdd_context_t *hdd_ctx; |
| 2062 | void *vos_ctx; |
| 2063 | int ret; |
| 2064 | struct sk_buff *skb = NULL; |
| 2065 | unsigned long flags; |
| 2066 | |
| 2067 | vos_ctx = vos_get_global_context(VOS_MODULE_ID_SYS, NULL); |
| 2068 | if (!vos_ctx) { |
| 2069 | pr_err("Invalid VOS context"); |
| 2070 | return; |
| 2071 | } |
| 2072 | |
| 2073 | hdd_ctx = vos_get_context(VOS_MODULE_ID_HDD, vos_ctx); |
| 2074 | if(!hdd_ctx) { |
| 2075 | pr_err("Invalid HDD context"); |
| 2076 | return; |
| 2077 | } |
| 2078 | |
| 2079 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 2080 | if (0 != ret) { |
| 2081 | pr_err("HDD context is not valid"); |
| 2082 | return; |
| 2083 | } |
| 2084 | |
| 2085 | spin_lock_irqsave(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2086 | /*Chnage fw memory dump to indicate write done*/ |
| 2087 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_status = FW_MEM_DUMP_WRITE_DONE; |
| 2088 | /*reset dropped packet count upon completion of this request*/ |
| 2089 | gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_pkt_drop_cnt = 0; |
| 2090 | spin_unlock_irqrestore(&gwlan_logging.fw_mem_dump_ctx.fw_mem_dump_lock, flags); |
| 2091 | |
| 2092 | skb = cfg80211_vendor_event_alloc(hdd_ctx->wiphy, |
| 2093 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) |
| 2094 | NULL, |
| 2095 | #endif |
| 2096 | sizeof(uint32_t) + NLA_HDRLEN + NLMSG_HDRLEN, |
| 2097 | QCA_NL80211_VENDOR_SUBCMD_WIFI_LOGGER_MEMORY_DUMP_INDEX, |
| 2098 | GFP_KERNEL); |
| 2099 | |
| 2100 | if (!skb) { |
| 2101 | pr_err("cfg80211_vendor_event_alloc failed"); |
| 2102 | return; |
| 2103 | } |
| 2104 | if(status) |
| 2105 | { |
| 2106 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_MEMDUMP_SIZE, |
| 2107 | gwlan_logging.fw_mem_dump_ctx.fw_dump_max_size)) { |
| 2108 | pr_err("nla put fail"); |
| 2109 | goto nla_put_failure; |
| 2110 | } |
| 2111 | } |
| 2112 | else |
| 2113 | { |
| 2114 | pr_err("memdump failed.Returning size 0 to user"); |
| 2115 | if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_MEMDUMP_SIZE, |
| 2116 | 0)) { |
| 2117 | pr_err("nla put fail"); |
| 2118 | goto nla_put_failure; |
| 2119 | } |
| 2120 | } |
| 2121 | |
| 2122 | cfg80211_vendor_event(skb, GFP_KERNEL); |
| 2123 | pr_info("Memdump event sent successfully to user space : recvd size %d",(int)(gwlan_logging.fw_mem_dump_ctx.fw_dump_current_loc - gwlan_logging.fw_mem_dump_ctx.fw_dump_start_loc)); |
| 2124 | return; |
| 2125 | |
| 2126 | nla_put_failure: |
| 2127 | kfree_skb(skb); |
| 2128 | return; |
| 2129 | } |
Sachin Ahuja | c08f72a | 2015-09-22 15:25:47 +0530 | [diff] [blame^] | 2130 | ======= |
| 2131 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 2132 | /** |
| 2133 | * wlan_report_log_completion() - Report bug report completion to userspace |
| 2134 | * @is_fatal: Type of event, fatal or not |
| 2135 | * @indicator: Source of bug report, framework/host/firmware |
| 2136 | * @reason_code: Reason for triggering bug report |
| 2137 | * |
| 2138 | * This function is used to report the bug report completion to userspace |
| 2139 | * |
| 2140 | * Return: None |
| 2141 | */ |
| 2142 | void wlan_report_log_completion(uint32_t is_fatal, |
| 2143 | uint32_t indicator, |
| 2144 | uint32_t reason_code) |
| 2145 | { |
| 2146 | WLAN_VOS_DIAG_EVENT_DEF(wlan_diag_event, |
| 2147 | struct vos_event_wlan_log_complete); |
| 2148 | |
| 2149 | wlan_diag_event.is_fatal = is_fatal; |
| 2150 | wlan_diag_event.indicator = indicator; |
| 2151 | wlan_diag_event.reason_code = reason_code; |
| 2152 | wlan_diag_event.reserved = 0; |
| 2153 | |
| 2154 | WLAN_VOS_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_LOG_COMPLETE); |
| 2155 | } |
| 2156 | #endif |
| 2157 | >>>>>>> 6ea54f9... wlan: Handle fatal event triggered from framework and FW |
c_manjee | cfd1efb | 2015-09-25 19:32:34 +0530 | [diff] [blame] | 2158 | |
Vinay Krishna Eranna | d938c42 | 2014-03-10 17:14:21 +0530 | [diff] [blame] | 2159 | #endif /* WLAN_LOGGING_SOCK_SVC_ENABLE */ |