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;
gwlan_logging.exit = true;
INIT_COMPLETION(gwlan_logging.shutdown_comp);
wake_up_interruptible(&gwlan_logging.wait_queue);
wait_for_completion_interruptible(&gwlan_logging.shutdown_comp);
spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag);
vfree(gplog_msg);
gwlan_logging.pcur_node = NULL;
spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag);
pr_info("%s: Deactivate wlan_logging svc\n", __func__);
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_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);
gwlan_logging.is_flush_complete = false;
clear_bit(HOST_LOG_DRIVER_MSG, &gwlan_logging.eventFlag);
clear_bit(HOST_LOG_PER_PKT_STATS, &gwlan_logging.eventFlag);
clear_bit(HOST_LOG_FW_FLUSH_COMPLETE, &gwlan_logging.eventFlag);
wake_up_interruptible(&gwlan_logging.wait_queue);
wait_for_completion(&gwlan_logging.shutdown_comp);
spin_lock_irqsave(&gwlan_logging.spin_lock, irq_flag);
gwlan_logging.pcur_node = NULL;
spin_unlock_irqrestore(&gwlan_logging.spin_lock, irq_flag);
vfree(gplog_msg);
gplog_msg = NULL;
pr_info("%s: Deactivate wlan_logging svc\n", __func__);
return 0;
}
int wlan_logging_sock_deactivate_svc(void)
{
nl_srv_unregister(ANI_NL_MSG_LOG, wlan_logging_proc_sock_rx_msg);
clear_default_logtoapp_log_level();
gapp_pid = INVALID_PID;
gwlan_logging.exit = true;
INIT_COMPLETION(gwlan_logging.shutdown_comp);
wake_up_interruptible(&gwlan_logging.wait_queue);
wait_for_completion_interruptible(&gwlan_logging.shutdown_comp);
vfree(gplog_msg);
pr_info("%s: Deactivate wlan_logging svc\n", __func__);
return 0;
}
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, gapp_pid, 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_ucast(skb, gapp_pid, 0);
if (ret < 0) {
pr_err("%s: Send Failed %d drop_count = %u\n",
__func__, ret, ++gwlan_logging.drop_count);
skb = NULL;
gapp_pid = INVALID_PID;
clear_default_logtoapp_log_level();
wlan_logging_srv_nl_ready_indication();
} else {
skb = NULL;
ret = 0;
}
}
return ret;
}
