96 lines
4.0 KiB
Diff
96 lines
4.0 KiB
Diff
From ad3187dfd4f741e291a1ca0d3ce5b714eacbd279 Mon Sep 17 00:00:00 2001
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From: Zachary Michaels <mikezackles@gmail.com>
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Date: Thu, 7 Jan 2021 08:13:11 -0800
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Subject: [PATCH] iwlwifi: Make missed beacon timeout configurable
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Makes the beacon timeout a module parameter, allowing the original default (16
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missed beacons) to be kept while also enabling users that experience problems to
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increase the timeout.
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See https://bugzilla.kernel.org/show_bug.cgi?id=203709
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---
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drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 4 ++++
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drivers/net/wireless/intel/iwlwifi/iwl-modparams.h | 2 ++
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drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 3 ++-
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drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 -
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4 files changed, 8 insertions(+), 2 deletions(-)
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diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
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index 9dcd2e990c9c..ec01f922b2e7 100644
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--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
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+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
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@@ -1732,6 +1732,7 @@ struct iwl_mod_params iwlwifi_mod_params = {
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.power_level = IWL_POWER_INDEX_1,
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.uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
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.enable_ini = true,
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+ .beacon_timeout = 16,
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/* the rest are 0 by default */
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};
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IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
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@@ -1849,6 +1850,9 @@ module_param_named(enable_ini, iwlwifi_mod_params.enable_ini,
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bool, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(enable_ini,
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"Enable debug INI TLV FW debug infrastructure (default: true");
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+module_param_named(beacon_timeout, iwlwifi_mod_params.beacon_timeout, uint, 0644);
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+MODULE_PARM_DESC(beacon_timeout,
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+ "Number of missed beacons before disconnecting (default: 16)");
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/*
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* set bt_coex_active to true, uCode will do kill/defer
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diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
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index e8ce3a300857..801d12a27354 100644
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--- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
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+++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
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@@ -115,6 +115,7 @@ enum iwl_uapsd_disable {
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* @disable_11ac: disable VHT capabilities, default = false.
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* @remove_when_gone: remove an inaccessible device from the PCIe bus.
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* @enable_ini: enable new FW debug infratructure (INI TLVs)
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+ * @beacon_timeout: number of missed beacons before disconnect, default = 16
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*/
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struct iwl_mod_params {
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int swcrypto;
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@@ -137,6 +138,7 @@ struct iwl_mod_params {
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bool disable_11ax;
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bool remove_when_gone;
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bool enable_ini;
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+ u32 beacon_timeout;
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};
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static inline bool iwl_enable_rx_ampdu(void)
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diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
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index cbdebefb854a..07fc82398373 100644
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--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
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+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
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@@ -63,6 +63,7 @@
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#include <linux/etherdevice.h>
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#include <net/mac80211.h>
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#include "iwl-io.h"
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+#include "iwl-modparams.h"
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#include "iwl-prph.h"
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#include "fw-api.h"
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#include "mvm.h"
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@@ -1428,7 +1429,7 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
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* TODO: the threshold should be adjusted based on latency conditions,
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* and/or in case of a CS flow on one of the other AP vifs.
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*/
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- if (rx_missed_bcon > IWL_MVM_MISSED_BEACONS_THRESHOLD_LONG)
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+ if (rx_missed_bcon > iwlwifi_mod_params.beacon_timeout)
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iwl_mvm_connection_loss(mvm, vif, "missed beacons");
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else if (rx_missed_bcon_since_rx > IWL_MVM_MISSED_BEACONS_THRESHOLD)
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ieee80211_beacon_loss(vif);
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diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
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index 7159d1da3e77..ce960d7d6a00 100644
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--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
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+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
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@@ -92,7 +92,6 @@
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/* RSSI offset for WkP */
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#define IWL_RSSI_OFFSET 50
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#define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
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-#define IWL_MVM_MISSED_BEACONS_THRESHOLD_LONG 16
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/* A TimeUnit is 1024 microsecond */
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#define MSEC_TO_TU(_msec) (_msec*1000/1024)
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--
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2.29.2
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