From: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx>
Allows to configure a periodic data collection
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 40 +++++++++++++++++++
drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 3 ++
drivers/net/wireless/intel/iwlwifi/fw/init.c | 2 +
.../net/wireless/intel/iwlwifi/fw/runtime.h | 1 +
drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 +
5 files changed, 47 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 035eeeabfc8c..d8c4fdb8d4a1 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2616,6 +2616,20 @@ static void iwl_fw_dbg_update_triggers(struct iwl_fw_runtime *fwrt,
active->trig->occurrences = cpu_to_le32(-1);
active->active = true;
+
+ if (id == IWL_FW_TRIGGER_ID_PERIODIC_TRIGGER) {
+ u32 collect_interval = le32_to_cpu(trig->trigger_data);
+
+ /* the minimum allowed interval is 50ms */
+ if (collect_interval < 50) {
+ collect_interval = 50;
+ trig->trigger_data =
+ cpu_to_le32(collect_interval);
+ }
+
+ mod_timer(&fwrt->dump.periodic_trig,
+ jiffies + msecs_to_jiffies(collect_interval));
+ }
next:
iter += sizeof(*trig) + trig_regs_size;
@@ -2696,8 +2710,34 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point);
void iwl_fwrt_stop_device(struct iwl_fw_runtime *fwrt)
{
+ del_timer(&fwrt->dump.periodic_trig);
iwl_fw_dbg_collect_sync(fwrt);
iwl_trans_stop_device(fwrt->trans);
}
IWL_EXPORT_SYMBOL(iwl_fwrt_stop_device);
+
+void iwl_fw_dbg_periodic_trig_handler(struct timer_list *t)
+{
+ struct iwl_fw_runtime *fwrt;
+ enum iwl_fw_ini_trigger_id id = IWL_FW_TRIGGER_ID_PERIODIC_TRIGGER;
+ int ret;
+ typeof(fwrt->dump) *dump_ptr = container_of(t, typeof(fwrt->dump),
+ periodic_trig);
+
+ fwrt = container_of(dump_ptr, typeof(*fwrt), dump);
+
+ ret = _iwl_fw_dbg_ini_collect(fwrt, id);
+ if (!ret || ret == -EBUSY) {
+ struct iwl_fw_ini_trigger *trig =
+ fwrt->dump.active_trigs[id].trig;
+ u32 occur = le32_to_cpu(trig->occurrences);
+ u32 collect_interval = le32_to_cpu(trig->trigger_data);
+
+ if (!occur)
+ return;
+
+ mod_timer(&fwrt->dump.periodic_trig,
+ jiffies + msecs_to_jiffies(collect_interval));
+ }
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
index cccf91db74c4..2a9e560a906b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
@@ -385,11 +385,13 @@ void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt);
static inline void iwl_fw_flush_dump(struct iwl_fw_runtime *fwrt)
{
+ del_timer(&fwrt->dump.periodic_trig);
flush_delayed_work(&fwrt->dump.wk);
}
static inline void iwl_fw_cancel_dump(struct iwl_fw_runtime *fwrt)
{
+ del_timer(&fwrt->dump.periodic_trig);
cancel_delayed_work_sync(&fwrt->dump.wk);
}
@@ -468,4 +470,5 @@ static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt)
}
}
+void iwl_fw_dbg_periodic_trig_handler(struct timer_list *t);
#endif /* __iwl_fw_dbg_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c
index 12310e3d2fc5..4435c0ce3013 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/init.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c
@@ -76,6 +76,8 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
fwrt->ops_ctx = ops_ctx;
INIT_DELAYED_WORK(&fwrt->dump.wk, iwl_fw_error_dump_wk);
iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir);
+ timer_setup(&fwrt->dump.periodic_trig,
+ iwl_fw_dbg_periodic_trig_handler, 0);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_init);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
index 88a558e082a3..a6402a0b3854 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
@@ -146,6 +146,7 @@ struct iwl_fw_runtime {
u32 umac_err_id;
void *fifo_iter;
enum iwl_fw_ini_trigger_id ini_trig_id;
+ struct timer_list periodic_trig;
} dump;
#ifdef CONFIG_IWLWIFI_DEBUGFS
struct {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 55d399899d1c..602ff50268f2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -1261,6 +1261,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk)
void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
{
iwl_abort_notification_waits(&mvm->notif_wait);
+ del_timer(&mvm->fwrt.dump.periodic_trig);
/*
* This is a bit racy, but worst case we tell mac80211 about
--
2.20.1
