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author | Felix Fietkau <nbd@nbd.name> | 2021-03-15 00:05:42 +0100 |
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committer | Felix Fietkau <nbd@nbd.name> | 2021-04-04 11:39:51 +0200 |
commit | 69794908b632c89d4b99c74424cde76fc6b3f245 (patch) | |
tree | b3d39ddaae35ed3957d65944f926d467bc862d51 /package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch | |
parent | 95b838f75bd96705d5192acc56af34801ed6854d (diff) | |
download | upstream-69794908b632c89d4b99c74424cde76fc6b3f245.tar.gz upstream-69794908b632c89d4b99c74424cde76fc6b3f245.tar.bz2 upstream-69794908b632c89d4b99c74424cde76fc6b3f245.zip |
mac80211: backport upstream patches for driver disconnect
Needed for an mt76 update
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 5dc501507222b38d731b89c3311d8253b73dd0e7)
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch b/package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch new file mode 100644 index 0000000000..8f948c140e --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/301-mac80211-support-driver-based-disconnect-with-reconn.patch @@ -0,0 +1,271 @@ +From: Johannes Berg <johannes.berg@intel.com> +Date: Sun, 6 Dec 2020 14:54:43 +0200 +Subject: [PATCH] mac80211: support driver-based disconnect with reconnect hint + +Support the driver indicating that a disconnection needs +to be performed, and pass through the reconnect hint in +this case. + +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +Signed-off-by: Luca Coelho <luciano.coelho@intel.com> +Link: https://lore.kernel.org/r/iwlwifi.20201206145305.5c8dab7a22a0.I58459fdf6968b16c90cab9c574f0f04ca22b0c79@changeid +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -5885,6 +5885,17 @@ void ieee80211_beacon_loss(struct ieee80 + void ieee80211_connection_loss(struct ieee80211_vif *vif); + + /** ++ * ieee80211_disconnect - request disconnection ++ * ++ * @vif: &struct ieee80211_vif pointer from the add_interface callback. ++ * @reconnect: immediate reconnect is desired ++ * ++ * Request disconnection from the current network and, if enabled, send a ++ * hint to the higher layers that immediate reconnect is desired. ++ */ ++void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect); ++ ++/** + * ieee80211_resume_disconnect - disconnect from AP after resume + * + * @vif: &struct ieee80211_vif pointer from the add_interface callback. +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -461,7 +461,9 @@ struct ieee80211_if_managed { + unsigned long probe_timeout; + int probe_send_count; + bool nullfunc_failed; +- bool connection_loss; ++ u8 connection_loss:1, ++ driver_disconnect:1, ++ reconnect:1; + + struct cfg80211_bss *associated; + struct ieee80211_mgd_auth_data *auth_data; +--- a/net/mac80211/mlme.c ++++ b/net/mac80211/mlme.c +@@ -2720,7 +2720,7 @@ EXPORT_SYMBOL(ieee80211_ap_probereq_get) + + static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata, + const u8 *buf, size_t len, bool tx, +- u16 reason) ++ u16 reason, bool reconnect) + { + struct ieee80211_event event = { + .type = MLME_EVENT, +@@ -2729,7 +2729,7 @@ static void ieee80211_report_disconnect( + }; + + if (tx) +- cfg80211_tx_mlme_mgmt(sdata->dev, buf, len, false); ++ cfg80211_tx_mlme_mgmt(sdata->dev, buf, len, reconnect); + else + cfg80211_rx_mlme_mgmt(sdata->dev, buf, len); + +@@ -2751,13 +2751,18 @@ static void __ieee80211_disconnect(struc + + tx = !sdata->csa_block_tx; + +- /* AP is probably out of range (or not reachable for another reason) so +- * remove the bss struct for that AP. +- */ +- cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated); ++ if (!ifmgd->driver_disconnect) { ++ /* ++ * AP is probably out of range (or not reachable for another ++ * reason) so remove the bss struct for that AP. ++ */ ++ cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated); ++ } + + ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, +- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, ++ ifmgd->driver_disconnect ? ++ WLAN_REASON_DEAUTH_LEAVING : ++ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, + tx, frame_buf); + mutex_lock(&local->mtx); + sdata->vif.csa_active = false; +@@ -2770,7 +2775,9 @@ static void __ieee80211_disconnect(struc + mutex_unlock(&local->mtx); + + ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), tx, +- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); ++ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, ++ ifmgd->reconnect); ++ ifmgd->reconnect = false; + + sdata_unlock(sdata); + } +@@ -2789,6 +2796,13 @@ static void ieee80211_beacon_connection_ + sdata_info(sdata, "Connection to AP %pM lost\n", + ifmgd->bssid); + __ieee80211_disconnect(sdata); ++ ifmgd->connection_loss = false; ++ } else if (ifmgd->driver_disconnect) { ++ sdata_info(sdata, ++ "Driver requested disconnection from AP %pM\n", ++ ifmgd->bssid); ++ __ieee80211_disconnect(sdata); ++ ifmgd->driver_disconnect = false; + } else { + ieee80211_mgd_probe_ap(sdata, true); + } +@@ -2827,6 +2841,21 @@ void ieee80211_connection_loss(struct ie + } + EXPORT_SYMBOL(ieee80211_connection_loss); + ++void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect) ++{ ++ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); ++ struct ieee80211_hw *hw = &sdata->local->hw; ++ ++ trace_api_disconnect(sdata, reconnect); ++ ++ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION)) ++ return; ++ ++ sdata->u.mgd.driver_disconnect = true; ++ sdata->u.mgd.reconnect = reconnect; ++ ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work); ++} ++EXPORT_SYMBOL(ieee80211_disconnect); + + static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata, + bool assoc) +@@ -3130,7 +3159,7 @@ static void ieee80211_rx_mgmt_deauth(str + ieee80211_set_disassoc(sdata, 0, 0, false, NULL); + + ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, +- reason_code); ++ reason_code, false); + return; + } + +@@ -3179,7 +3208,8 @@ static void ieee80211_rx_mgmt_disassoc(s + + ieee80211_set_disassoc(sdata, 0, 0, false, NULL); + +- ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code); ++ ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code, ++ false); + } + + static void ieee80211_get_rates(struct ieee80211_supported_band *sband, +@@ -4199,7 +4229,8 @@ static void ieee80211_rx_mgmt_beacon(str + true, deauth_buf); + ieee80211_report_disconnect(sdata, deauth_buf, + sizeof(deauth_buf), true, +- WLAN_REASON_DEAUTH_LEAVING); ++ WLAN_REASON_DEAUTH_LEAVING, ++ false); + return; + } + +@@ -4344,7 +4375,7 @@ static void ieee80211_sta_connection_los + tx, frame_buf); + + ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true, +- reason); ++ reason, false); + } + + static int ieee80211_auth(struct ieee80211_sub_if_data *sdata) +@@ -5431,7 +5462,8 @@ int ieee80211_mgd_auth(struct ieee80211_ + + ieee80211_report_disconnect(sdata, frame_buf, + sizeof(frame_buf), true, +- WLAN_REASON_UNSPECIFIED); ++ WLAN_REASON_UNSPECIFIED, ++ false); + } + + sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid); +@@ -5503,7 +5535,8 @@ int ieee80211_mgd_assoc(struct ieee80211 + + ieee80211_report_disconnect(sdata, frame_buf, + sizeof(frame_buf), true, +- WLAN_REASON_UNSPECIFIED); ++ WLAN_REASON_UNSPECIFIED, ++ false); + } + + if (ifmgd->auth_data && !ifmgd->auth_data->done) { +@@ -5802,7 +5835,7 @@ int ieee80211_mgd_deauth(struct ieee8021 + ieee80211_destroy_auth_data(sdata, false); + ieee80211_report_disconnect(sdata, frame_buf, + sizeof(frame_buf), true, +- req->reason_code); ++ req->reason_code, false); + + return 0; + } +@@ -5822,7 +5855,7 @@ int ieee80211_mgd_deauth(struct ieee8021 + ieee80211_destroy_assoc_data(sdata, false, true); + ieee80211_report_disconnect(sdata, frame_buf, + sizeof(frame_buf), true, +- req->reason_code); ++ req->reason_code, false); + return 0; + } + +@@ -5837,7 +5870,7 @@ int ieee80211_mgd_deauth(struct ieee8021 + req->reason_code, tx, frame_buf); + ieee80211_report_disconnect(sdata, frame_buf, + sizeof(frame_buf), true, +- req->reason_code); ++ req->reason_code, false); + return 0; + } + +@@ -5870,7 +5903,7 @@ int ieee80211_mgd_disassoc(struct ieee80 + frame_buf); + + ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true, +- req->reason_code); ++ req->reason_code, false); + + return 0; + } +--- a/net/mac80211/trace.h ++++ b/net/mac80211/trace.h +@@ -2,7 +2,7 @@ + /* + * Portions of this file + * Copyright(c) 2016-2017 Intel Deutschland GmbH +-* Copyright (C) 2018 - 2019 Intel Corporation ++* Copyright (C) 2018 - 2020 Intel Corporation + */ + + #if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ) +@@ -2086,6 +2086,27 @@ TRACE_EVENT(api_connection_loss, + ) + ); + ++TRACE_EVENT(api_disconnect, ++ TP_PROTO(struct ieee80211_sub_if_data *sdata, bool reconnect), ++ ++ TP_ARGS(sdata, reconnect), ++ ++ TP_STRUCT__entry( ++ VIF_ENTRY ++ __field(int, reconnect) ++ ), ++ ++ TP_fast_assign( ++ VIF_ASSIGN; ++ __entry->reconnect = reconnect; ++ ), ++ ++ TP_printk( ++ VIF_PR_FMT " reconnect:%d", ++ VIF_PR_ARG, __entry->reconnect ++ ) ++); ++ + TRACE_EVENT(api_cqm_rssi_notify, + TP_PROTO(struct ieee80211_sub_if_data *sdata, + enum nl80211_cqm_rssi_threshold_event rssi_event, |