| /* |
| * Copyright (c) 2014-2015 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| /****************************************************************************** |
| * wlan_logging_sock_svc.c |
| * |
| ******************************************************************************/ |
| #ifdef WLAN_LOGGING_SOCK_SVC_ENABLE |
| #include <linux/rtc.h> |
| #include <vmalloc.h> |
| #include <wlan_nlink_srv.h> |
| #include <vos_status.h> |
| #include <vos_trace.h> |
| #include <wlan_nlink_common.h> |
| #include <wlan_logging_sock_svc.h> |
| #include <vos_types.h> |
| #include <kthread.h> |
| #include "vos_memory.h" |
| #include <linux/ratelimit.h> |
| #include <asm/arch_timer.h> |
| |
| #define LOGGING_TRACE(level, args...) \ |
| VOS_TRACE(VOS_MODULE_ID_SVC, level, ## args) |
| |
| /* Global variables */ |
| |
| #define ANI_NL_MSG_LOG_TYPE 89 |
| #define ANI_NL_MSG_READY_IND_TYPE 90 |
| #define ANI_NL_MSG_LOG_PKT_TYPE 91 |
| #define ANI_NL_MSG_FW_LOG_PKT_TYPE 92 |
| #define INVALID_PID -1 |
| |
| #define MAX_LOGMSG_LENGTH 4096 |
| #define LOGGER_MGMT_DATA_PKT_POST_MASK 0x001 |
| #define HOST_LOG_POST_MASK 0x002 |
| #define LOGGER_FW_LOG_PKT_POST_MASK 0x003 |
| #define LOGGER_FATAL_EVENT_POST_MASK 0x004 |
| |
| #define LOGGER_MAX_DATA_MGMT_PKT_Q_LEN (8) |
| #define LOGGER_MAX_FW_LOG_PKT_Q_LEN (16) |
| |
| #define NL_BDCAST_RATELIMIT_INTERVAL (5*HZ) |
| #define NL_BDCAST_RATELIMIT_BURST 1 |
| |
| /* Qtimer Frequency */ |
| #define QTIMER_FREQ 19200000 |
| |
| static DEFINE_RATELIMIT_STATE(errCnt, \ |
| NL_BDCAST_RATELIMIT_INTERVAL, \ |
| NL_BDCAST_RATELIMIT_BURST); |
| |
| struct log_msg { |
| struct list_head node; |
| unsigned int radio; |
| unsigned int index; |
| /* indicates the current filled log length in logbuf */ |
| unsigned int filled_length; |
| /* |
| * Buf to hold the log msg |
| * tAniHdr + log |
| */ |
| char logbuf[MAX_LOGMSG_LENGTH]; |
| }; |
| |
| struct logger_log_complete { |
| uint32_t is_fatal; |
| uint32_t indicator; |
| uint32_t reason_code; |
| bool is_report_in_progress; |
| bool is_flush_complete; |
| }; |
| |
| struct wlan_logging { |
| /* Log Fatal and ERROR to console */ |
| bool log_fe_to_console; |
| /* Number of buffers to be used for logging */ |
| int num_buf; |
| /* Lock to synchronize access to shared logging resource */ |
| spinlock_t spin_lock; |
| /* Holds the free node which can be used for filling logs */ |
| struct list_head free_list; |
| /* Holds the filled nodes which needs to be indicated to APP */ |
| struct list_head filled_list; |
| /* Points to head of logger pkt queue */ |
| vos_pkt_t *data_mgmt_pkt_queue; |
| /* Holds number of pkts in vos pkt queue */ |
| unsigned int data_mgmt_pkt_qcnt; |
| /* Lock to synchronize of queue/dequeue of pkts in logger pkt queue */ |
| spinlock_t data_mgmt_pkt_lock; |
| /* Points to head of logger fw log pkt queue */ |
| vos_pkt_t *fw_log_pkt_queue; |
| /* Holds number of pkts in fw log vos pkt queue */ |
| unsigned int fw_log_pkt_qcnt; |
| /* Lock to synchronize of queue/dequeue of pkts in fw log pkt queue */ |
| spinlock_t fw_log_pkt_lock; |
| /* Wait queue for Logger thread */ |
| wait_queue_head_t wait_queue; |
| /* Logger thread */ |
| struct task_struct *thread; |
| /* Logging thread sets this variable on exit */ |
| struct completion shutdown_comp; |
| /* Indicates to logger thread to exit */ |
| bool exit; |
| /* Holds number of dropped logs*/ |
| unsigned int drop_count; |
| /* Holds number of dropped vos pkts*/ |
| unsigned int pkt_drop_cnt; |
| /* Holds number of dropped fw log vos pkts*/ |
| unsigned int fw_log_pkt_drop_cnt; |
| /* current logbuf to which the log will be filled to */ |
| struct log_msg *pcur_node; |
| /* Event flag used for wakeup and post indication*/ |
| unsigned long event_flag; |
| /* Indicates logger thread is activated */ |
| bool is_active; |
| /* data structure for log complete event*/ |
| struct logger_log_complete log_complete; |
| spinlock_t bug_report_lock; |
| }; |
| |
| static struct wlan_logging gwlan_logging; |
| static struct log_msg *gplog_msg; |
| |
| /* PID of the APP to log the message */ |
| static int gapp_pid = INVALID_PID; |
| static char wlan_logging_ready[] = "WLAN LOGGING READY"; |
| |
| /* |
| * Broadcast Logging service ready indication to any Logging application |
| * Each netlink message will have a message of type tAniMsgHdr inside. |
| */ |
| void wlan_logging_srv_nl_ready_indication(void) |
| { |
| struct sk_buff *skb = NULL; |
| struct nlmsghdr *nlh; |
| tAniNlHdr *wnl = NULL; |
| int payload_len; |
| int err; |
| static int rate_limit; |
| |
| payload_len = sizeof(tAniHdr) + sizeof(wlan_logging_ready) + |
| sizeof(wnl->radio); |
| skb = dev_alloc_skb(NLMSG_SPACE(payload_len)); |
| if (NULL == skb) { |
| if (!rate_limit) { |
| LOGGING_TRACE(VOS_TRACE_LEVEL_ERROR, |
| "NLINK: skb alloc fail %s", __func__); |
| } |
| rate_limit = 1; |
| return; |
| } |
| rate_limit = 0; |
| |
| nlh = nlmsg_put(skb, 0, 0, ANI_NL_MSG_LOG, payload_len, |
| NLM_F_REQUEST); |
| if (NULL == nlh) { |
| LOGGING_TRACE(VOS_TRACE_LEVEL_ERROR, |
| "%s: nlmsg_put() failed for msg size[%d]", |
| __func__, payload_len); |
| kfree_skb(skb); |
| return; |
| } |
| |
| wnl = (tAniNlHdr *) nlh; |
| wnl->radio = 0; |
| wnl->wmsg.type = ANI_NL_MSG_READY_IND_TYPE; |
| wnl->wmsg.length = sizeof(wlan_logging_ready); |
| memcpy((char*)&wnl->wmsg + sizeof(tAniHdr), |
| wlan_logging_ready, |
| sizeof(wlan_logging_ready)); |
| |
| /* sender is in group 1<<0 */ |
| NETLINK_CB(skb).dst_group = WLAN_NLINK_MCAST_GRP_ID; |
| |
| /*multicast the message to all listening processes*/ |
| err = nl_srv_bcast(skb); |
| if (err) { |
| LOGGING_TRACE(VOS_TRACE_LEVEL_INFO_LOW, |
| "NLINK: Ready Indication Send Fail %s, err %d", |
| __func__, err); |
| } |
| return; |
| } |
| |
| /* Utility function to send a netlink message to an application |
| * in user space |
| */ |
| static int wlan_send_sock_msg_to_app(tAniHdr *wmsg, int radio, |
| int src_mod, int pid) |
| { |
| int err = -1; |
| int payload_len; |
| int tot_msg_len; |
| tAniNlHdr *wnl = NULL; |
| struct sk_buff *skb; |
| struct nlmsghdr *nlh; |
| int wmsg_length = wmsg->length; |
| static int nlmsg_seq; |
| |
| if (radio < 0 || radio > ANI_MAX_RADIOS) { |
| pr_err("%s: invalid radio id [%d]", |
| __func__, radio); |
| return -EINVAL; |
| } |
| |
| payload_len = wmsg_length + sizeof(wnl->radio); |
| tot_msg_len = NLMSG_SPACE(payload_len); |
| skb = dev_alloc_skb(tot_msg_len); |
| if (skb == NULL) { |
| pr_err("%s: dev_alloc_skb() failed for msg size[%d]", |
| __func__, tot_msg_len); |
| return -ENOMEM; |
| } |
| nlh = nlmsg_put(skb, pid, nlmsg_seq++, src_mod, payload_len, |
| NLM_F_REQUEST); |
| if (NULL == nlh) { |
| pr_err("%s: nlmsg_put() failed for msg size[%d]", |
| __func__, tot_msg_len); |
| kfree_skb(skb); |
| return -ENOMEM; |
| } |
| |
| wnl = (tAniNlHdr *) nlh; |
| wnl->radio = radio; |
| vos_mem_copy(&wnl->wmsg, wmsg, wmsg_length); |
| |
| err = nl_srv_ucast(skb, pid, MSG_DONTWAIT); |
| |
| return err; |
| } |
| |
| static void set_default_logtoapp_log_level(void) |
| { |
| vos_trace_setValue(VOS_MODULE_ID_WDI, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ALL, |
| VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_PMC, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| vos_trace_setValue(VOS_MODULE_ID_SVC, VOS_TRACE_LEVEL_ALL, VOS_TRUE); |
| } |
| |
| static void clear_default_logtoapp_log_level(void) |
| { |
| int module; |
| |
| for (module = 0; module < VOS_MODULE_ID_MAX; module++) { |
| vos_trace_setValue(module, VOS_TRACE_LEVEL_NONE, |
| VOS_FALSE); |
| vos_trace_setValue(module, VOS_TRACE_LEVEL_FATAL, |
| VOS_TRUE); |
| vos_trace_setValue(module, VOS_TRACE_LEVEL_ERROR, |
| VOS_TRUE); |
| } |
| |
| vos_trace_setValue(VOS_MODULE_ID_RSV4, VOS_TRACE_LEVEL_NONE, |
| VOS_FALSE); |
| } |
| |
| /* Need to call this with spin_lock acquired */ |
| static int wlan_queue_logmsg_for_app(void) |
| { |
| char *ptr; |
| int ret = 0; |
| ptr = &gwlan_logging.pcur_node->logbuf[sizeof(tAniHdr)]; |
| ptr[gwlan_logging.pcur_node->filled_length] = '\0'; |
| |
| *(unsigned short *)(gwlan_logging.pcur_node->logbuf) = |
| ANI_NL_MSG_LOG_TYPE; |
| *(unsigned short *)(gwlan_logging.pcur_node->logbuf + 2) = |
| gwlan_logging.pcur_node->filled_length; |
| list_add_tail(&gwlan_logging.pcur_node->node, |
| &gwlan_logging.filled_list); |
| |
| if (!list_empty(&gwlan_logging.free_list)) { |
| /* Get buffer from free list */ |
| gwlan_logging.pcur_node = |
| (struct log_msg *)(gwlan_logging.free_list.next); |
| list_del_init(gwlan_logging.free_list.next); |
| } else if (!list_empty(&gwlan_logging.filled_list)) { |
| /* Get buffer from filled list */ |
| /* This condition will drop the packet from being |
| * indicated to app |
| */ |
| gwlan_logging.pcur_node = |
| (struct log_msg *)(gwlan_logging.filled_list.next); |
| ++gwlan_logging.drop_count; |
| /* print every 64th drop count */ |
| if (vos_is_multicast_logging() && |
| (!(gwlan_logging.drop_count % 0x40))) { |
| pr_err("%s: drop_count = %u index = %d filled_length = %d\n", |
| __func__, gwlan_logging.drop_count, |
| gwlan_logging.pcur_node->index, |
| gwlan_logging.pcur_node->filled_length); |
| } |
| list_del_init(gwlan_logging.filled_list.next); |
| ret = 1; |
| } |
| |
| /* Reset the current node values */ |
| gwlan_logging.pcur_node->filled_length = 0; |
| return ret; |
| } |
| |
| |
| int wlan_log_to_user(VOS_TRACE_LEVEL log_level, char *to_be_sent, int length) |
| { |
| /* Add the current time stamp */ |
| char *ptr; |
| char tbuf[100]; |
| int tlen; |
| int total_log_len; |
| unsigned int *pfilled_length; |
| bool wake_up_thread = false; |
| unsigned long flags; |
| |
| struct timeval tv; |
| struct rtc_time tm; |
| unsigned long local_time; |
| u64 qtimer_ticks; |
| |
| if (!vos_is_multicast_logging()) { |
| /* |
| * This is to make sure that we print the logs to kmsg console |
| * when no logger app is running. This is also needed to |
| * log the initial messages during loading of driver where even |
| * if app is running it will not be able to |
| * register with driver immediately and start logging all the |
| * messages. |
| */ |
| pr_err("%s\n", to_be_sent); |
| } else { |
| |
| /* Format the Log time [hr:min:sec.microsec] */ |
| do_gettimeofday(&tv); |
| |
| /* Convert rtc to local time */ |
| local_time = (u32)(tv.tv_sec - (sys_tz.tz_minuteswest * 60)); |
| rtc_time_to_tm(local_time, &tm); |
| /* Firmware Time Stamp */ |
| qtimer_ticks = arch_counter_get_cntpct(); |
| |
| tlen = snprintf(tbuf, sizeof(tbuf), "[%02d:%02d:%02d.%06lu] [%016llX]" |
| " [%s] ", tm.tm_hour, tm.tm_min, tm.tm_sec, tv.tv_usec, |
| qtimer_ticks, current->comm); |
| /* 1+1 indicate '\n'+'\0' */ |
| total_log_len = length + tlen + 1 + 1; |
| |
| spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
| |
| // wlan logging svc resources are not yet initialized |
| if (!gwlan_logging.pcur_node) { |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
| return -EIO; |
| } |
| |
| pfilled_length = &gwlan_logging.pcur_node->filled_length; |
| |
| /* Check if we can accomodate more log into current node/buffer */ |
| if ((MAX_LOGMSG_LENGTH - (*pfilled_length + sizeof(tAniNlHdr))) < |
| total_log_len) { |
| wake_up_thread = true; |
| wlan_queue_logmsg_for_app(); |
| pfilled_length = &gwlan_logging.pcur_node->filled_length; |
| } |
| |
| ptr = &gwlan_logging.pcur_node->logbuf[sizeof(tAniHdr)]; |
| |
| /* Assumption here is that we receive logs which is always less than |
| * MAX_LOGMSG_LENGTH, where we can accomodate the |
| * tAniNlHdr + [context][timestamp] + log |
| * VOS_ASSERT if we cannot accomodate the the complete log into |
| * the available buffer. |
| * |
| * Continue and copy logs to the available length and discard the rest. |
| */ |
| if (MAX_LOGMSG_LENGTH < (sizeof(tAniNlHdr) + total_log_len)) { |
| VOS_ASSERT(0); |
| total_log_len = MAX_LOGMSG_LENGTH - sizeof(tAniNlHdr) - 2; |
| } |
| |
| vos_mem_copy(&ptr[*pfilled_length], tbuf, tlen); |
| vos_mem_copy(&ptr[*pfilled_length + tlen], to_be_sent, |
| min(length, (total_log_len - tlen))); |
| *pfilled_length += tlen + min(length, total_log_len - tlen); |
| ptr[*pfilled_length] = '\n'; |
| *pfilled_length += 1; |
| |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
| |
| /* Wakeup logger thread */ |
| if ((true == wake_up_thread)) { |
| /* If there is logger app registered wakeup the logging |
| * thread |
| */ |
| |
| set_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| } |
| |
| if (gwlan_logging.log_fe_to_console |
| && ((VOS_TRACE_LEVEL_FATAL == log_level) |
| || (VOS_TRACE_LEVEL_ERROR == log_level))) { |
| pr_err("%s\n", to_be_sent); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int send_fw_log_pkt_to_user(void) |
| { |
| int ret = -1; |
| int extra_header_len, nl_payload_len; |
| struct sk_buff *skb = NULL; |
| static int nlmsg_seq; |
| vos_pkt_t *current_pkt; |
| vos_pkt_t *next_pkt; |
| VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| unsigned long flags; |
| |
| tAniNlHdr msg_header; |
| |
| do { |
| spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| |
| if (!gwlan_logging.fw_log_pkt_queue) { |
| spin_unlock_irqrestore( |
| &gwlan_logging.fw_log_pkt_lock, flags); |
| return -EIO; |
| } |
| |
| /* pick first pkt from queued chain */ |
| current_pkt = gwlan_logging.fw_log_pkt_queue; |
| |
| /* get the pointer to the next packet in the chain */ |
| status = vos_pkt_walk_packet_chain(current_pkt, &next_pkt, |
| TRUE); |
| |
| /* both "success" and "empty" are acceptable results */ |
| if (!((status == VOS_STATUS_SUCCESS) || |
| (status == VOS_STATUS_E_EMPTY))) { |
| ++gwlan_logging.fw_log_pkt_drop_cnt; |
| spin_unlock_irqrestore( |
| &gwlan_logging.fw_log_pkt_lock, flags); |
| pr_err("%s: Failure walking packet chain", __func__); |
| return -EIO; |
| } |
| |
| /* update queue head with next pkt ptr which could be NULL */ |
| gwlan_logging.fw_log_pkt_queue = next_pkt; |
| --gwlan_logging.fw_log_pkt_qcnt; |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, flags); |
| |
| status = vos_pkt_get_os_packet(current_pkt, (v_VOID_t **)&skb, |
| TRUE); |
| if (!VOS_IS_STATUS_SUCCESS(status)) { |
| ++gwlan_logging.fw_log_pkt_drop_cnt; |
| pr_err("%s: Failure extracting skb from vos pkt", |
| __func__); |
| return -EIO; |
| } |
| |
| /*return vos pkt since skb is already detached */ |
| vos_pkt_return_packet(current_pkt); |
| |
| extra_header_len = sizeof(msg_header.radio) + sizeof(tAniHdr); |
| nl_payload_len = NLMSG_ALIGN(extra_header_len + skb->len); |
| |
| msg_header.nlh.nlmsg_type = ANI_NL_MSG_LOG; |
| msg_header.nlh.nlmsg_len = nl_payload_len; |
| msg_header.nlh.nlmsg_flags = NLM_F_REQUEST; |
| msg_header.nlh.nlmsg_pid = gapp_pid; |
| msg_header.nlh.nlmsg_seq = nlmsg_seq++; |
| |
| msg_header.radio = 0; |
| |
| msg_header.wmsg.type = ANI_NL_MSG_FW_LOG_PKT_TYPE; |
| msg_header.wmsg.length = skb->len; |
| |
| if (unlikely(skb_headroom(skb) < sizeof(msg_header))) { |
| pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| " data[%p], req[%zu]", __LINE__, skb->head, |
| skb->data, sizeof(msg_header)); |
| return -EIO; |
| } |
| |
| vos_mem_copy(skb_push(skb, sizeof(msg_header)), &msg_header, |
| sizeof(msg_header)); |
| |
| ret = nl_srv_bcast(skb); |
| if (ret < 0) { |
| pr_info("%s: Send Failed %d drop_count = %u\n", |
| __func__, ret, ++gwlan_logging.fw_log_pkt_drop_cnt); |
| } else { |
| ret = 0; |
| } |
| |
| } while (next_pkt); |
| |
| return ret; |
| } |
| |
| static int send_data_mgmt_log_pkt_to_user(void) |
| { |
| int ret = -1; |
| int extra_header_len, nl_payload_len; |
| struct sk_buff *skb = NULL; |
| static int nlmsg_seq; |
| vos_pkt_t *current_pkt; |
| vos_pkt_t *next_pkt; |
| VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| unsigned long flags; |
| |
| tAniNlLogHdr msg_header; |
| |
| do { |
| spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| |
| if (!gwlan_logging.data_mgmt_pkt_queue) { |
| spin_unlock_irqrestore( |
| &gwlan_logging.data_mgmt_pkt_lock, flags); |
| return -EIO; |
| } |
| |
| /* pick first pkt from queued chain */ |
| current_pkt = gwlan_logging.data_mgmt_pkt_queue; |
| |
| /* get the pointer to the next packet in the chain */ |
| status = vos_pkt_walk_packet_chain(current_pkt, &next_pkt, |
| TRUE); |
| |
| /* both "success" and "empty" are acceptable results */ |
| if (!((status == VOS_STATUS_SUCCESS) || |
| (status == VOS_STATUS_E_EMPTY))) { |
| ++gwlan_logging.pkt_drop_cnt; |
| spin_unlock_irqrestore( |
| &gwlan_logging.data_mgmt_pkt_lock, flags); |
| pr_err("%s: Failure walking packet chain", __func__); |
| return -EIO; |
| } |
| |
| /* update queue head with next pkt ptr which could be NULL */ |
| gwlan_logging.data_mgmt_pkt_queue = next_pkt; |
| --gwlan_logging.data_mgmt_pkt_qcnt; |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| |
| status = vos_pkt_get_os_packet(current_pkt, (v_VOID_t **)&skb, |
| TRUE); |
| if (!VOS_IS_STATUS_SUCCESS(status)) { |
| ++gwlan_logging.pkt_drop_cnt; |
| pr_err("%s: Failure extracting skb from vos pkt", |
| __func__); |
| return -EIO; |
| } |
| |
| /*return vos pkt since skb is already detached */ |
| vos_pkt_return_packet(current_pkt); |
| |
| extra_header_len = sizeof(msg_header.radio) + sizeof(tAniHdr) + |
| sizeof(msg_header.frameSize); |
| nl_payload_len = NLMSG_ALIGN(extra_header_len + skb->len); |
| |
| msg_header.nlh.nlmsg_type = ANI_NL_MSG_LOG; |
| msg_header.nlh.nlmsg_len = nl_payload_len; |
| msg_header.nlh.nlmsg_flags = NLM_F_REQUEST; |
| msg_header.nlh.nlmsg_pid = 0; |
| msg_header.nlh.nlmsg_seq = nlmsg_seq++; |
| |
| msg_header.radio = 0; |
| |
| msg_header.wmsg.type = ANI_NL_MSG_LOG_PKT_TYPE; |
| msg_header.wmsg.length = skb->len + sizeof(uint32); |
| |
| msg_header.frameSize = WLAN_MGMT_LOGGING_FRAMESIZE_128BYTES; |
| |
| if (unlikely(skb_headroom(skb) < sizeof(msg_header))) { |
| pr_err("VPKT [%d]: Insufficient headroom, head[%p]," |
| " data[%p], req[%zu]", __LINE__, skb->head, |
| skb->data, sizeof(msg_header)); |
| return -EIO; |
| } |
| |
| vos_mem_copy(skb_push(skb, sizeof(msg_header)), &msg_header, |
| sizeof(msg_header)); |
| |
| ret = nl_srv_bcast(skb); |
| if (ret < 0) { |
| pr_info("%s: Send Failed %d drop_count = %u\n", |
| __func__, ret, ++gwlan_logging.pkt_drop_cnt); |
| } else { |
| ret = 0; |
| } |
| |
| } while (next_pkt); |
| |
| return ret; |
| } |
| |
| static int send_filled_buffers_to_user(void) |
| { |
| int ret = -1; |
| struct log_msg *plog_msg; |
| int payload_len; |
| int tot_msg_len; |
| tAniNlHdr *wnl; |
| struct sk_buff *skb = NULL; |
| struct nlmsghdr *nlh; |
| static int nlmsg_seq; |
| unsigned long flags; |
| static int rate_limit; |
| |
| while (!list_empty(&gwlan_logging.filled_list) |
| && !gwlan_logging.exit) { |
| |
| skb = dev_alloc_skb(MAX_LOGMSG_LENGTH); |
| if (skb == NULL) { |
| if (!rate_limit) { |
| pr_err("%s: dev_alloc_skb() failed for msg size[%d] drop count = %u\n", |
| __func__, MAX_LOGMSG_LENGTH, |
| gwlan_logging.drop_count); |
| } |
| rate_limit = 1; |
| ret = -ENOMEM; |
| break; |
| } |
| rate_limit = 0; |
| |
| spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
| |
| plog_msg = (struct log_msg *) |
| (gwlan_logging.filled_list.next); |
| list_del_init(gwlan_logging.filled_list.next); |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
| /* 4 extra bytes for the radio idx */ |
| payload_len = plog_msg->filled_length + |
| sizeof(wnl->radio) + sizeof(tAniHdr); |
| |
| tot_msg_len = NLMSG_SPACE(payload_len); |
| nlh = nlmsg_put(skb, 0, nlmsg_seq++, |
| ANI_NL_MSG_LOG, payload_len, |
| NLM_F_REQUEST); |
| if (NULL == nlh) { |
| spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
| list_add_tail(&plog_msg->node, |
| &gwlan_logging.free_list); |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, |
| flags); |
| pr_err("%s: drop_count = %u\n", __func__, |
| ++gwlan_logging.drop_count); |
| pr_err("%s: nlmsg_put() failed for msg size[%d]\n", |
| __func__, tot_msg_len); |
| dev_kfree_skb(skb); |
| skb = NULL; |
| ret = -EINVAL; |
| continue; |
| } |
| |
| wnl = (tAniNlHdr *) nlh; |
| wnl->radio = plog_msg->radio; |
| vos_mem_copy(&wnl->wmsg, plog_msg->logbuf, |
| plog_msg->filled_length + |
| sizeof(tAniHdr)); |
| |
| spin_lock_irqsave(&gwlan_logging.spin_lock, flags); |
| list_add_tail(&plog_msg->node, |
| &gwlan_logging.free_list); |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, flags); |
| |
| ret = nl_srv_bcast(skb); |
| if (ret < 0) { |
| if (__ratelimit(&errCnt)) |
| { |
| pr_info("%s: Send Failed %d drop_count = %u\n", |
| __func__, ret, gwlan_logging.drop_count); |
| } |
| gwlan_logging.drop_count++; |
| skb = NULL; |
| break; |
| } else { |
| skb = NULL; |
| ret = 0; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * wlan_logging_thread() - The WLAN Logger thread |
| * @Arg - pointer to the HDD context |
| * |
| * This thread logs log message to App registered for the logs. |
| */ |
| static int wlan_logging_thread(void *Arg) |
| { |
| int ret_wait_status = 0; |
| int ret = 0; |
| |
| set_user_nice(current, -2); |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0)) |
| daemonize("wlan_logging_thread"); |
| #endif |
| |
| while (!gwlan_logging.exit) { |
| ret_wait_status = wait_event_interruptible( |
| gwlan_logging.wait_queue, |
| (test_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag) || |
| gwlan_logging.exit || |
| test_bit(LOGGER_MGMT_DATA_PKT_POST_MASK,&gwlan_logging.event_flag) || |
| test_bit(LOGGER_FW_LOG_PKT_POST_MASK, &gwlan_logging.event_flag) || |
| test_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag))); |
| |
| if (ret_wait_status == -ERESTARTSYS) { |
| pr_err("%s: wait_event return -ERESTARTSYS", __func__); |
| break; |
| } |
| |
| if (gwlan_logging.exit) { |
| break; |
| } |
| |
| if (test_and_clear_bit(HOST_LOG_POST_MASK, |
| &gwlan_logging.event_flag)) { |
| ret = send_filled_buffers_to_user(); |
| if (-ENOMEM == ret) { |
| msleep(200); |
| } |
| } |
| |
| if (test_and_clear_bit(LOGGER_FW_LOG_PKT_POST_MASK, |
| &gwlan_logging.event_flag)) { |
| send_fw_log_pkt_to_user(); |
| } |
| |
| if (test_and_clear_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, |
| &gwlan_logging.event_flag)) { |
| send_data_mgmt_log_pkt_to_user(); |
| } |
| |
| if (test_and_clear_bit(LOGGER_FATAL_EVENT_POST_MASK, |
| &gwlan_logging.event_flag)) { |
| if (gwlan_logging.log_complete.is_flush_complete == true) { |
| gwlan_logging.log_complete.is_flush_complete = false; |
| vos_send_fatal_event_done(); |
| } |
| else { |
| gwlan_logging.log_complete.is_flush_complete = true; |
| set_bit(HOST_LOG_POST_MASK,&gwlan_logging.event_flag); |
| set_bit(LOGGER_FW_LOG_PKT_POST_MASK,&gwlan_logging.event_flag); |
| set_bit(LOGGER_FATAL_EVENT_POST_MASK,&gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| } |
| } |
| } |
| |
| complete_and_exit(&gwlan_logging.shutdown_comp, 0); |
| |
| return 0; |
| } |
| |
| /* |
| * Process all the Netlink messages from Logger Socket app in user space |
| */ |
| static int wlan_logging_proc_sock_rx_msg(struct sk_buff *skb) |
| { |
| tAniNlHdr *wnl; |
| int radio; |
| int type; |
| int ret; |
| |
| if (TRUE == vos_isUnloadInProgress()) |
| { |
| pr_info("%s: unload in progress\n",__func__); |
| return -ENODEV; |
| } |
| |
| wnl = (tAniNlHdr *) skb->data; |
| radio = wnl->radio; |
| type = wnl->nlh.nlmsg_type; |
| |
| if (radio < 0 || radio > ANI_MAX_RADIOS) { |
| pr_err("%s: invalid radio id [%d]\n", |
| __func__, radio); |
| return -EINVAL; |
| } |
| |
| if (gapp_pid != INVALID_PID) { |
| if (wnl->nlh.nlmsg_pid > gapp_pid) { |
| gapp_pid = wnl->nlh.nlmsg_pid; |
| } |
| |
| spin_lock_bh(&gwlan_logging.spin_lock); |
| if (gwlan_logging.pcur_node->filled_length) { |
| wlan_queue_logmsg_for_app(); |
| } |
| spin_unlock_bh(&gwlan_logging.spin_lock); |
| set_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| } else { |
| /* This is to set the default levels (WLAN logging |
| * default values not the VOS trace default) when |
| * logger app is registered for the first time. |
| */ |
| gapp_pid = wnl->nlh.nlmsg_pid; |
| } |
| |
| ret = wlan_send_sock_msg_to_app(&wnl->wmsg, 0, |
| ANI_NL_MSG_LOG, wnl->nlh.nlmsg_pid); |
| if (ret < 0) { |
| pr_err("wlan_send_sock_msg_to_app: failed"); |
| } |
| |
| return ret; |
| } |
| |
| void wlan_init_log_completion(void) |
| { |
| gwlan_logging.log_complete.indicator = WLAN_LOG_TYPE_NON_FATAL; |
| gwlan_logging.log_complete.is_fatal = WLAN_LOG_INDICATOR_UNUSED; |
| gwlan_logging.log_complete.is_report_in_progress = false; |
| gwlan_logging.log_complete.reason_code = WLAN_LOG_REASON_CODE_UNUSED; |
| |
| spin_lock_init(&gwlan_logging.bug_report_lock); |
| } |
| |
| int wlan_set_log_completion(uint32 is_fatal, |
| uint32 indicator, |
| uint32 reason_code) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| gwlan_logging.log_complete.indicator = indicator; |
| gwlan_logging.log_complete.is_fatal = is_fatal; |
| gwlan_logging.log_complete.is_report_in_progress = true; |
| gwlan_logging.log_complete.reason_code = reason_code; |
| spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
| |
| return 0; |
| } |
| void wlan_get_log_completion(uint32 *is_fatal, |
| uint32 *indicator, |
| uint32 *reason_code) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| *indicator = gwlan_logging.log_complete.indicator; |
| *is_fatal = gwlan_logging.log_complete.is_fatal; |
| *reason_code = gwlan_logging.log_complete.reason_code; |
| gwlan_logging.log_complete.is_report_in_progress = false; |
| |
| spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
| |
| } |
| bool wlan_is_log_report_in_progress(void) |
| { |
| return gwlan_logging.log_complete.is_report_in_progress; |
| } |
| |
| void wlan_reset_log_report_in_progress(void) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&gwlan_logging.bug_report_lock, flags); |
| gwlan_logging.log_complete.is_report_in_progress = false; |
| spin_unlock_irqrestore(&gwlan_logging.bug_report_lock, flags); |
| } |
| |
| |
| void wlan_deinit_log_completion(void) |
| { |
| return; |
| } |
| |
| |
| int wlan_logging_sock_activate_svc(int log_fe_to_console, int num_buf) |
| { |
| int i = 0; |
| unsigned long irq_flag; |
| |
| gapp_pid = INVALID_PID; |
| |
| gplog_msg = (struct log_msg *) vmalloc( |
| num_buf * sizeof(struct log_msg)); |
| if (!gplog_msg) { |
| pr_err("%s: Could not allocate memory\n", __func__); |
| return -ENOMEM; |
| } |
| |
| vos_mem_zero(gplog_msg, (num_buf * sizeof(struct log_msg))); |
| |
| gwlan_logging.log_fe_to_console = !!log_fe_to_console; |
| gwlan_logging.num_buf = num_buf; |
| |
| spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
| INIT_LIST_HEAD(&gwlan_logging.free_list); |
| INIT_LIST_HEAD(&gwlan_logging.filled_list); |
| |
| for (i = 0; i < num_buf; i++) { |
| list_add(&gplog_msg[i].node, &gwlan_logging.free_list); |
| gplog_msg[i].index = i; |
| } |
| gwlan_logging.pcur_node = (struct log_msg *) |
| (gwlan_logging.free_list.next); |
| list_del_init(gwlan_logging.free_list.next); |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
| |
| init_waitqueue_head(&gwlan_logging.wait_queue); |
| gwlan_logging.exit = false; |
| clear_bit(HOST_LOG_POST_MASK, &gwlan_logging.event_flag); |
| clear_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, &gwlan_logging.event_flag); |
| clear_bit(LOGGER_FW_LOG_PKT_POST_MASK, &gwlan_logging.event_flag); |
| clear_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
| init_completion(&gwlan_logging.shutdown_comp); |
| gwlan_logging.thread = kthread_create(wlan_logging_thread, NULL, |
| "wlan_logging_thread"); |
| if (IS_ERR(gwlan_logging.thread)) { |
| pr_err("%s: Could not Create LogMsg Thread Controller", |
| __func__); |
| spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
| vfree(gplog_msg); |
| gplog_msg = NULL; |
| gwlan_logging.pcur_node = NULL; |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
| return -ENOMEM; |
| } |
| wake_up_process(gwlan_logging.thread); |
| gwlan_logging.is_active = true; |
| |
| nl_srv_register(ANI_NL_MSG_LOG, wlan_logging_proc_sock_rx_msg); |
| |
| //Broadcast SVC ready message to logging app/s running |
| wlan_logging_srv_nl_ready_indication(); |
| return 0; |
| } |
| |
| int wlan_logging_flush_pkt_queue(void) |
| { |
| vos_pkt_t *pkt_queue_head; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| if (NULL != gwlan_logging.data_mgmt_pkt_queue) { |
| pkt_queue_head = gwlan_logging.data_mgmt_pkt_queue; |
| gwlan_logging.data_mgmt_pkt_queue = NULL; |
| gwlan_logging.pkt_drop_cnt = 0; |
| gwlan_logging.data_mgmt_pkt_qcnt = 0; |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| flags); |
| vos_pkt_return_packet(pkt_queue_head); |
| } else { |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| flags); |
| } |
| |
| spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| if (NULL != gwlan_logging.fw_log_pkt_queue) { |
| pkt_queue_head = gwlan_logging.fw_log_pkt_queue; |
| gwlan_logging.fw_log_pkt_queue = NULL; |
| gwlan_logging.fw_log_pkt_drop_cnt = 0; |
| gwlan_logging.fw_log_pkt_qcnt = 0; |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| flags); |
| vos_pkt_return_packet(pkt_queue_head); |
| } else { |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| flags); |
| } |
| |
| return 0; |
| } |
| |
| int wlan_logging_sock_deactivate_svc(void) |
| { |
| unsigned long irq_flag; |
| |
| if (!gplog_msg) |
| return 0; |
| |
| nl_srv_unregister(ANI_NL_MSG_LOG, wlan_logging_proc_sock_rx_msg); |
| clear_default_logtoapp_log_level(); |
| gapp_pid = INVALID_PID; |
| |
| INIT_COMPLETION(gwlan_logging.shutdown_comp); |
| gwlan_logging.exit = true; |
| gwlan_logging.is_active = false; |
| vos_set_multicast_logging(0); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| wait_for_completion(&gwlan_logging.shutdown_comp); |
| |
| spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag); |
| vfree(gplog_msg); |
| gplog_msg = NULL; |
| gwlan_logging.pcur_node = NULL; |
| spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag); |
| |
| wlan_logging_flush_pkt_queue(); |
| |
| return 0; |
| } |
| |
| int wlan_logging_sock_init_svc(void) |
| { |
| spin_lock_init(&gwlan_logging.spin_lock); |
| spin_lock_init(&gwlan_logging.data_mgmt_pkt_lock); |
| spin_lock_init(&gwlan_logging.fw_log_pkt_lock); |
| gapp_pid = INVALID_PID; |
| gwlan_logging.pcur_node = NULL; |
| |
| wlan_init_log_completion(); |
| |
| return 0; |
| } |
| |
| int wlan_logging_sock_deinit_svc(void) |
| { |
| gwlan_logging.pcur_node = NULL; |
| gapp_pid = INVALID_PID; |
| |
| wlan_deinit_log_completion(); |
| return 0; |
| } |
| |
| int wlan_queue_data_mgmt_pkt_for_app(vos_pkt_t *pPacket) |
| { |
| unsigned long flags; |
| vos_pkt_t *next_pkt; |
| vos_pkt_t *free_pkt; |
| VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| |
| spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| if (gwlan_logging.data_mgmt_pkt_qcnt >= LOGGER_MAX_DATA_MGMT_PKT_Q_LEN) { |
| status = vos_pkt_walk_packet_chain( |
| gwlan_logging.data_mgmt_pkt_queue, &next_pkt, TRUE); |
| /*both "success" and "empty" are acceptable results*/ |
| if (!((status == VOS_STATUS_SUCCESS) || |
| (status == VOS_STATUS_E_EMPTY))) { |
| ++gwlan_logging.pkt_drop_cnt; |
| spin_unlock_irqrestore( |
| &gwlan_logging.data_mgmt_pkt_lock, flags); |
| pr_err("%s: Failure walking packet chain", __func__); |
| /*keep returning pkts to avoid low resource cond*/ |
| vos_pkt_return_packet(pPacket); |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| free_pkt = gwlan_logging.data_mgmt_pkt_queue; |
| gwlan_logging.data_mgmt_pkt_queue = next_pkt; |
| /*returning head of pkt queue. latest pkts are important*/ |
| --gwlan_logging.data_mgmt_pkt_qcnt; |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| flags); |
| vos_pkt_return_packet(free_pkt); |
| } else { |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, |
| flags); |
| } |
| |
| spin_lock_irqsave(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| |
| if (gwlan_logging.data_mgmt_pkt_queue) { |
| vos_pkt_chain_packet(gwlan_logging.data_mgmt_pkt_queue, |
| pPacket, TRUE); |
| } else { |
| gwlan_logging.data_mgmt_pkt_queue = pPacket; |
| } |
| ++gwlan_logging.data_mgmt_pkt_qcnt; |
| |
| spin_unlock_irqrestore(&gwlan_logging.data_mgmt_pkt_lock, flags); |
| |
| set_bit(LOGGER_MGMT_DATA_PKT_POST_MASK, &gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_logging_set_log_level() - Set the logging level |
| * |
| * This function is used to set the logging level of host debug messages |
| * |
| * Return: None |
| */ |
| void wlan_logging_set_log_level(void) |
| { |
| set_default_logtoapp_log_level(); |
| } |
| |
| int wlan_queue_fw_log_pkt_for_app(vos_pkt_t *pPacket) |
| { |
| unsigned long flags; |
| vos_pkt_t *next_pkt; |
| vos_pkt_t *free_pkt; |
| VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| |
| spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| if (gwlan_logging.fw_log_pkt_qcnt >= LOGGER_MAX_FW_LOG_PKT_Q_LEN) { |
| status = vos_pkt_walk_packet_chain( |
| gwlan_logging.fw_log_pkt_queue, &next_pkt, TRUE); |
| /*both "success" and "empty" are acceptable results*/ |
| if (!((status == VOS_STATUS_SUCCESS) || |
| (status == VOS_STATUS_E_EMPTY))) { |
| ++gwlan_logging.fw_log_pkt_drop_cnt; |
| spin_unlock_irqrestore( |
| &gwlan_logging.fw_log_pkt_lock, flags); |
| pr_err("%s: Failure walking packet chain", __func__); |
| /*keep returning pkts to avoid low resource cond*/ |
| vos_pkt_return_packet(pPacket); |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| free_pkt = gwlan_logging.fw_log_pkt_queue; |
| gwlan_logging.fw_log_pkt_queue = next_pkt; |
| /*returning head of pkt queue. latest pkts are important*/ |
| --gwlan_logging.fw_log_pkt_qcnt; |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| flags); |
| vos_pkt_return_packet(free_pkt); |
| } else { |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, |
| flags); |
| } |
| |
| spin_lock_irqsave(&gwlan_logging.fw_log_pkt_lock, flags); |
| |
| if (gwlan_logging.fw_log_pkt_queue) { |
| vos_pkt_chain_packet(gwlan_logging.fw_log_pkt_queue, |
| pPacket, TRUE); |
| } else { |
| gwlan_logging.fw_log_pkt_queue = pPacket; |
| } |
| ++gwlan_logging.fw_log_pkt_qcnt; |
| |
| spin_unlock_irqrestore(&gwlan_logging.fw_log_pkt_lock, flags); |
| |
| set_bit(LOGGER_FW_LOG_PKT_POST_MASK, &gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| int wlan_queue_logpkt_for_app(vos_pkt_t *pPacket, uint32 pkt_type) |
| { |
| VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| |
| if (pPacket == NULL) { |
| pr_err("%s: Null param", __func__); |
| VOS_ASSERT(0); |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| if (gwlan_logging.is_active == false) { |
| /*return all packets queued*/ |
| wlan_logging_flush_pkt_queue(); |
| |
| /*return currently received pkt*/ |
| vos_pkt_return_packet(pPacket); |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| switch (pkt_type) { |
| case LOG_PKT_TYPE_DATA_MGMT: |
| status = wlan_queue_data_mgmt_pkt_for_app(pPacket); |
| break; |
| |
| case LOG_PKT_TYPE_FW_LOG: |
| status = wlan_queue_fw_log_pkt_for_app(pPacket); |
| break; |
| |
| default: |
| pr_info("%s: Unknown pkt received %d", __func__, pkt_type); |
| status = VOS_STATUS_E_INVAL; |
| break; |
| }; |
| |
| return status; |
| } |
| |
| |
| void wlan_process_done_indication(uint8 type, uint32 reason_code) |
| { |
| if ((type == WLAN_QXDM_LOGGING) && (wlan_is_log_report_in_progress() == TRUE)) |
| { |
| pr_info("%s: Setting LOGGER_FATAL_EVENT\n", __func__); |
| set_bit(LOGGER_FATAL_EVENT_POST_MASK, &gwlan_logging.event_flag); |
| wake_up_interruptible(&gwlan_logging.wait_queue); |
| } |
| } |
| |
| #endif /* WLAN_LOGGING_SOCK_SVC_ENABLE */ |