From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c | 379 +++++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 343 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index cd91bc4..3f081cd 100644
--- a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -85,7 +83,7 @@
{
lockdep_assert_held(&mvm->time_event_lock);
- if (!te_data->vif)
+ if (!te_data || !te_data->vif)
return;
list_del(&te_data->list);
@@ -100,16 +98,13 @@
struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, roc_done_wk);
/*
- * Clear the ROC_RUNNING /ROC_AUX_RUNNING status bit.
+ * Clear the ROC_RUNNING status bit.
* This will cause the TX path to drop offchannel transmissions.
* That would also be done by mac80211, but it is racy, in particular
* in the case that the time event actually completed in the firmware
* (which is handled in iwl_mvm_te_handle_notif).
*/
- if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
- iwl_mvm_unref(mvm, IWL_MVM_REF_ROC);
- if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
- iwl_mvm_unref(mvm, IWL_MVM_REF_ROC_AUX);
+ clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
synchronize_net();
@@ -118,14 +113,9 @@
* event finishes or is canceled, so that frames queued for it
* won't get stuck on the queue and be transmitted in the next
* time event.
- * We have to send the command asynchronously since this cannot
- * be under the mutex for locking reasons, but that's not an
- * issue as it will have to complete before the next command is
- * executed, and a new time event means a new command.
*/
- iwl_mvm_flush_sta(mvm, &mvm->aux_sta, true, CMD_ASYNC);
- /* Do the same for the P2P device queue (STA) */
+ mutex_lock(&mvm->mutex);
if (test_and_clear_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status)) {
struct iwl_mvm_vif *mvmvif;
@@ -138,10 +128,30 @@
if (!WARN_ON(!mvm->p2p_device_vif)) {
mvmvif = iwl_mvm_vif_from_mac80211(mvm->p2p_device_vif);
- iwl_mvm_flush_sta(mvm, &mvmvif->bcast_sta, true,
- CMD_ASYNC);
+ iwl_mvm_flush_sta(mvm, &mvmvif->bcast_sta, true);
}
}
+
+ /*
+ * Clear the ROC_AUX_RUNNING status bit.
+ * This will cause the TX path to drop offchannel transmissions.
+ * That would also be done by mac80211, but it is racy, in particular
+ * in the case that the time event actually completed in the firmware
+ * (which is handled in iwl_mvm_te_handle_notif).
+ */
+ if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) {
+ /* do the same in case of hot spot 2.0 */
+ iwl_mvm_flush_sta(mvm, &mvm->aux_sta, true);
+
+ /* In newer version of this command an aux station is added only
+ * in cases of dedicated tx queue and need to be removed in end
+ * of use */
+ if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
+ ADD_STA, 0) >= 12)
+ iwl_mvm_rm_aux_sta(mvm);
+ }
+
+ mutex_unlock(&mvm->mutex);
}
static void iwl_mvm_roc_finished(struct iwl_mvm *mvm)
@@ -174,7 +184,7 @@
* So we just do nothing here and the switch
* will be performed on the last TBTT.
*/
- if (!ieee80211_csa_is_complete(csa_vif)) {
+ if (!ieee80211_beacon_cntdwn_is_complete(csa_vif)) {
IWL_WARN(mvm, "CSA NOA started too early\n");
goto out_unlock;
}
@@ -234,6 +244,7 @@
break;
}
iwl_mvm_csa_client_absent(mvm, te_data->vif);
+ cancel_delayed_work(&mvmvif->csa_work);
ieee80211_chswitch_done(te_data->vif, true);
break;
default:
@@ -254,16 +265,13 @@
struct iwl_fw_dbg_trigger_time_event *te_trig;
int i;
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TIME_EVENT))
+ trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
+ ieee80211_vif_to_wdev(te_data->vif),
+ FW_DBG_TRIGGER_TIME_EVENT);
+ if (!trig)
return;
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TIME_EVENT);
te_trig = (void *)trig->data;
-
- if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
- ieee80211_vif_to_wdev(te_data->vif),
- trig))
- return;
for (i = 0; i < ARRAY_SIZE(te_trig->time_events); i++) {
u32 trig_te_id = le32_to_cpu(te_trig->time_events[i].id);
@@ -337,6 +345,7 @@
switch (te_data->vif->type) {
case NL80211_IFTYPE_P2P_DEVICE:
ieee80211_remain_on_channel_expired(mvm->hw);
+ set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status);
iwl_mvm_roc_finished(mvm);
break;
case NL80211_IFTYPE_STATION:
@@ -345,6 +354,8 @@
* and know the dtim period.
*/
iwl_mvm_te_check_disconnect(mvm, te_data->vif,
+ !te_data->vif->bss_conf.assoc ?
+ "Not associated and the time event is over already..." :
"No beacon heard and the time event is over already...");
break;
default:
@@ -358,7 +369,6 @@
if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) {
set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
- iwl_mvm_ref(mvm, IWL_MVM_REF_ROC);
ieee80211_ready_on_channel(mvm->hw);
} else if (te_data->id == TE_CHANNEL_SWITCH_PERIOD) {
iwl_mvm_te_handle_notify_csa(mvm, te_data, notif);
@@ -406,7 +416,6 @@
} else if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_START) {
set_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status);
te_data->running = true;
- iwl_mvm_ref(mvm, IWL_MVM_REF_ROC_AUX);
ieee80211_ready_on_channel(mvm->hw); /* Start TE */
} else {
IWL_DEBUG_TE(mvm,
@@ -643,11 +652,32 @@
}
}
+static void iwl_mvm_cancel_session_protection(struct iwl_mvm *mvm,
+ struct iwl_mvm_vif *mvmvif)
+{
+ struct iwl_mvm_session_prot_cmd cmd = {
+ .id_and_color =
+ cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
+ mvmvif->color)),
+ .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
+ .conf_id = cpu_to_le32(mvmvif->time_event_data.id),
+ };
+ int ret;
+
+ ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd);
+ if (ret)
+ IWL_ERR(mvm,
+ "Couldn't send the SESSION_PROTECTION_CMD: %d\n", ret);
+}
+
static bool __iwl_mvm_remove_time_event(struct iwl_mvm *mvm,
struct iwl_mvm_time_event_data *te_data,
u32 *uid)
{
u32 id;
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif);
/*
* It is possible that by the time we got to this point the time
@@ -665,14 +695,29 @@
iwl_mvm_te_clear_data(mvm, te_data);
spin_unlock_bh(&mvm->time_event_lock);
- /*
- * It is possible that by the time we try to remove it, the time event
- * has already ended and removed. In such a case there is no need to
- * send a removal command.
+ /* When session protection is supported, the te_data->id field
+ * is reused to save session protection's configuration.
*/
- if (id == TE_MAX) {
- IWL_DEBUG_TE(mvm, "TE 0x%x has already ended\n", *uid);
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) {
+ if (mvmvif && id < SESSION_PROTECT_CONF_MAX_ID) {
+ /* Session protection is still ongoing. Cancel it */
+ iwl_mvm_cancel_session_protection(mvm, mvmvif);
+ if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) {
+ set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status);
+ iwl_mvm_roc_finished(mvm);
+ }
+ }
return false;
+ } else {
+ /* It is possible that by the time we try to remove it, the
+ * time event has already ended and removed. In such a case
+ * there is no need to send a removal command.
+ */
+ if (id == TE_MAX) {
+ IWL_DEBUG_TE(mvm, "TE 0x%x has already ended\n", *uid);
+ return false;
+ }
}
return true;
@@ -689,6 +734,8 @@
struct iwl_mvm_time_event_data *te_data)
{
struct iwl_hs20_roc_req aux_cmd = {};
+ u16 len = sizeof(aux_cmd) - iwl_mvm_chan_info_padding(mvm);
+
u32 uid;
int ret;
@@ -702,7 +749,7 @@
IWL_DEBUG_TE(mvm, "Removing BSS AUX ROC TE 0x%x\n",
le32_to_cpu(aux_cmd.event_unique_id));
ret = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0,
- sizeof(aux_cmd), &aux_cmd);
+ len, &aux_cmd);
if (WARN_ON(ret))
return;
@@ -737,6 +784,11 @@
return;
}
+/*
+ * When the firmware supports the session protection API,
+ * this is not needed since it'll automatically remove the
+ * session protection after association + beacon reception.
+ */
void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
@@ -760,6 +812,117 @@
iwl_mvm_remove_time_event(mvm, mvmvif, te_data);
}
+void iwl_mvm_rx_session_protect_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_mvm_session_prot_notif *notif = (void *)pkt->data;
+ struct ieee80211_vif *vif;
+ struct iwl_mvm_vif *mvmvif;
+
+ rcu_read_lock();
+ vif = iwl_mvm_rcu_dereference_vif_id(mvm, le32_to_cpu(notif->mac_id),
+ true);
+
+ if (!vif)
+ goto out_unlock;
+
+ mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ /* The vif is not a P2P_DEVICE, maintain its time_event_data */
+ if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
+ struct iwl_mvm_time_event_data *te_data =
+ &mvmvif->time_event_data;
+
+ if (!le32_to_cpu(notif->status)) {
+ iwl_mvm_te_check_disconnect(mvm, vif,
+ "Session protection failure");
+ spin_lock_bh(&mvm->time_event_lock);
+ iwl_mvm_te_clear_data(mvm, te_data);
+ spin_unlock_bh(&mvm->time_event_lock);
+ }
+
+ if (le32_to_cpu(notif->start)) {
+ spin_lock_bh(&mvm->time_event_lock);
+ te_data->running = le32_to_cpu(notif->start);
+ te_data->end_jiffies =
+ TU_TO_EXP_TIME(te_data->duration);
+ spin_unlock_bh(&mvm->time_event_lock);
+ } else {
+ /*
+ * By now, we should have finished association
+ * and know the dtim period.
+ */
+ iwl_mvm_te_check_disconnect(mvm, vif,
+ !vif->bss_conf.assoc ?
+ "Not associated and the session protection is over already..." :
+ "No beacon heard and the session protection is over already...");
+ spin_lock_bh(&mvm->time_event_lock);
+ iwl_mvm_te_clear_data(mvm, te_data);
+ spin_unlock_bh(&mvm->time_event_lock);
+ }
+
+ goto out_unlock;
+ }
+
+ if (!le32_to_cpu(notif->status) || !le32_to_cpu(notif->start)) {
+ /* End TE, notify mac80211 */
+ mvmvif->time_event_data.id = SESSION_PROTECT_CONF_MAX_ID;
+ ieee80211_remain_on_channel_expired(mvm->hw);
+ set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status);
+ iwl_mvm_roc_finished(mvm);
+ } else if (le32_to_cpu(notif->start)) {
+ if (WARN_ON(mvmvif->time_event_data.id !=
+ le32_to_cpu(notif->conf_id)))
+ goto out_unlock;
+ set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
+ ieee80211_ready_on_channel(mvm->hw); /* Start TE */
+ }
+
+ out_unlock:
+ rcu_read_unlock();
+}
+
+static int
+iwl_mvm_start_p2p_roc_session_protection(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ int duration,
+ enum ieee80211_roc_type type)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_session_prot_cmd cmd = {
+ .id_and_color =
+ cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
+ mvmvif->color)),
+ .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
+ .duration_tu = cpu_to_le32(MSEC_TO_TU(duration)),
+ };
+
+ lockdep_assert_held(&mvm->mutex);
+
+ /* The time_event_data.id field is reused to save session
+ * protection's configuration.
+ */
+ switch (type) {
+ case IEEE80211_ROC_TYPE_NORMAL:
+ mvmvif->time_event_data.id =
+ SESSION_PROTECT_CONF_P2P_DEVICE_DISCOV;
+ break;
+ case IEEE80211_ROC_TYPE_MGMT_TX:
+ mvmvif->time_event_data.id =
+ SESSION_PROTECT_CONF_P2P_GO_NEGOTIATION;
+ break;
+ default:
+ WARN_ONCE(1, "Got an invalid ROC type\n");
+ return -EINVAL;
+ }
+
+ cmd.conf_id = cpu_to_le32(mvmvif->time_event_data.id);
+ return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd);
+}
+
int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int duration, enum ieee80211_roc_type type)
{
@@ -772,6 +935,12 @@
IWL_WARN(mvm, "P2P_DEVICE remain on channel already running\n");
return -EBUSY;
}
+
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
+ return iwl_mvm_start_p2p_roc_session_protection(mvm, vif,
+ duration,
+ type);
time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD);
time_cmd.id_and_color =
@@ -850,10 +1019,27 @@
__iwl_mvm_remove_time_event(mvm, te_data, &uid);
}
-void iwl_mvm_stop_roc(struct iwl_mvm *mvm)
+void iwl_mvm_stop_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif;
struct iwl_mvm_time_event_data *te_data;
+
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) {
+ mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
+ iwl_mvm_cancel_session_protection(mvm, mvmvif);
+ set_bit(IWL_MVM_STATUS_NEED_FLUSH_P2P, &mvm->status);
+ } else {
+ iwl_mvm_remove_aux_roc_te(mvm, mvmvif,
+ &mvmvif->time_event_data);
+ }
+
+ iwl_mvm_roc_finished(mvm);
+
+ return;
+ }
te_data = iwl_mvm_get_roc_te(mvm);
if (!te_data) {
@@ -871,6 +1057,25 @@
}
iwl_mvm_roc_finished(mvm);
+}
+
+void iwl_mvm_remove_csa_period(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
+ u32 id;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ spin_lock_bh(&mvm->time_event_lock);
+ id = te_data->id;
+ spin_unlock_bh(&mvm->time_event_lock);
+
+ if (id != TE_CHANNEL_SWITCH_PERIOD)
+ return;
+
+ iwl_mvm_remove_time_event(mvm, mvmvif, te_data);
}
int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
@@ -919,3 +1124,105 @@
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}
+
+static bool iwl_mvm_session_prot_notif(struct iwl_notif_wait_data *notif_wait,
+ struct iwl_rx_packet *pkt, void *data)
+{
+ struct iwl_mvm *mvm =
+ container_of(notif_wait, struct iwl_mvm, notif_wait);
+ struct iwl_mvm_session_prot_notif *resp;
+ int resp_len = iwl_rx_packet_payload_len(pkt);
+
+ if (WARN_ON(pkt->hdr.cmd != SESSION_PROTECTION_NOTIF ||
+ pkt->hdr.group_id != MAC_CONF_GROUP))
+ return true;
+
+ if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
+ IWL_ERR(mvm, "Invalid SESSION_PROTECTION_NOTIF response\n");
+ return true;
+ }
+
+ resp = (void *)pkt->data;
+
+ if (!resp->status)
+ IWL_ERR(mvm,
+ "TIME_EVENT_NOTIFICATION received but not executed\n");
+
+ return true;
+}
+
+void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ u32 duration, u32 min_duration,
+ bool wait_for_notif)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
+ const u16 notif[] = { iwl_cmd_id(SESSION_PROTECTION_NOTIF,
+ MAC_CONF_GROUP, 0) };
+ struct iwl_notification_wait wait_notif;
+ struct iwl_mvm_session_prot_cmd cmd = {
+ .id_and_color =
+ cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
+ mvmvif->color)),
+ .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
+ .conf_id = cpu_to_le32(SESSION_PROTECT_CONF_ASSOC),
+ .duration_tu = cpu_to_le32(MSEC_TO_TU(duration)),
+ };
+
+ lockdep_assert_held(&mvm->mutex);
+
+ spin_lock_bh(&mvm->time_event_lock);
+ if (te_data->running &&
+ time_after(te_data->end_jiffies, TU_TO_EXP_TIME(min_duration))) {
+ IWL_DEBUG_TE(mvm, "We have enough time in the current TE: %u\n",
+ jiffies_to_msecs(te_data->end_jiffies - jiffies));
+ spin_unlock_bh(&mvm->time_event_lock);
+
+ return;
+ }
+
+ iwl_mvm_te_clear_data(mvm, te_data);
+ /*
+ * The time_event_data.id field is reused to save session
+ * protection's configuration.
+ */
+ te_data->id = le32_to_cpu(cmd.conf_id);
+ te_data->duration = le32_to_cpu(cmd.duration_tu);
+ spin_unlock_bh(&mvm->time_event_lock);
+
+ IWL_DEBUG_TE(mvm, "Add new session protection, duration %d TU\n",
+ le32_to_cpu(cmd.duration_tu));
+
+ if (!wait_for_notif) {
+ if (iwl_mvm_send_cmd_pdu(mvm,
+ iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd)) {
+ IWL_ERR(mvm,
+ "Couldn't send the SESSION_PROTECTION_CMD\n");
+ spin_lock_bh(&mvm->time_event_lock);
+ iwl_mvm_te_clear_data(mvm, te_data);
+ spin_unlock_bh(&mvm->time_event_lock);
+ }
+
+ return;
+ }
+
+ iwl_init_notification_wait(&mvm->notif_wait, &wait_notif,
+ notif, ARRAY_SIZE(notif),
+ iwl_mvm_session_prot_notif, NULL);
+
+ if (iwl_mvm_send_cmd_pdu(mvm,
+ iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd)) {
+ IWL_ERR(mvm,
+ "Couldn't send the SESSION_PROTECTION_CMD\n");
+ iwl_remove_notification(&mvm->notif_wait, &wait_notif);
+ } else if (iwl_wait_notification(&mvm->notif_wait, &wait_notif,
+ TU_TO_JIFFIES(100))) {
+ IWL_ERR(mvm,
+ "Failed to protect session until session protection\n");
+ }
+}
--
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