From: Shahar S Matityahu <[email protected]> Allows to configure a periodic data collection
Signed-off-by: Shahar S Matityahu <[email protected]> Signed-off-by: Luca Coelho <[email protected]> --- 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
