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wifi: iwlwifi: mvm: fix RFKILL report when driver is going down

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When CSME takes ownership, the driver sets RFKILL on, and this
triggers driver unload and sending the confirmation SAP message.
However, when IWL_MVM_MEI_REPORT_RFKILL is set, RFKILL was not
reported and as a result, the driver did not confirm the ownership
transition. Fix it.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.29ac3cd3df73.I96b32bc274bfe1e3871e54d3fa29c7ac4f40446f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Avraham Stern 2023-04-18 12:28:14 +03:00 committed by Johannes Berg
parent 06ce23ad57
commit 22b68fc6d6
3 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/intel/iwlwifi/mei/iwl-mei.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2021 Intel Corporation
* Copyright (C) 2021 - 2022 Intel Corporation
*/
#ifndef __iwl_mei_h__
@ -301,7 +301,7 @@ struct iwl_mei_colloc_info {
struct iwl_mei_ops {
void (*me_conn_status)(void *priv,
const struct iwl_mei_conn_info *conn_info);
void (*rfkill)(void *priv, bool blocked);
void (*rfkill)(void *priv, bool blocked, bool csme_taking_ownership);
void (*roaming_forbidden)(void *priv, bool forbidden);
void (*sap_connected)(void *priv);
void (*nic_stolen)(void *priv);

13
drivers/net/wireless/intel/iwlwifi/mei/main.c
View File

@ -724,7 +724,7 @@ iwl_mei_handle_conn_status(struct mei_cl_device *cldev,
status->link_prot_state);
else
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv,
status->link_prot_state);
status->link_prot_state, false);
}
static void iwl_mei_set_init_conf(struct iwl_mei *mei)
@ -796,7 +796,7 @@ static void iwl_mei_handle_amt_state(struct mei_cl_device *cldev,
if (mei->amt_enabled)
iwl_mei_set_init_conf(mei);
else if (iwl_mei_cache.ops)
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false);
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false, false);
schedule_work(&mei->netdev_work);
@ -837,7 +837,7 @@ static void iwl_mei_handle_csme_taking_ownership(struct mei_cl_device *cldev,
*/
mei->csme_taking_ownership = true;
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, true);
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, true, true);
} else {
iwl_mei_send_sap_msg(cldev,
SAP_MSG_NOTIF_CSME_OWNERSHIP_CONFIRMED);
@ -892,7 +892,7 @@ static void iwl_mei_handle_rx_host_own_req(struct mei_cl_device *cldev,
/* We can now start the connection, unblock rfkill */
if (iwl_mei_cache.ops)
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false);
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false, false);
}
static void iwl_mei_handle_pldr_ack(struct mei_cl_device *cldev,
@ -1791,7 +1791,8 @@ int iwl_mei_register(void *priv, const struct iwl_mei_ops *ops)
if (iwl_mei_is_connected()) {
if (mei->amt_enabled)
iwl_mei_send_sap_msg(mei->cldev,
SAP_MSG_NOTIF_WIFIDR_UP);
SAP_MSG_NOTIF_WIFIDR_UP,
false);
ops->rfkill(priv, mei->link_prot_state);
}
}
@ -2111,7 +2112,7 @@ static void iwl_mei_remove(struct mei_cl_device *cldev)
spin_unlock_bh(&mei->data_q_lock);
if (iwl_mei_cache.ops)
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false);
iwl_mei_cache.ops->rfkill(iwl_mei_cache.priv, false, false);
/*
* mei_cldev_disable will return only after all the MEI Rx is done.

6
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -1020,10 +1020,14 @@ static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *c
kfree_rcu(prev_conn_info, rcu_head);
}
static void iwl_mvm_mei_rfkill(void *priv, bool blocked)
static void iwl_mvm_mei_rfkill(void *priv, bool blocked,
bool csme_taking_ownership)
{
struct iwl_mvm *mvm = priv;
if (blocked && !csme_taking_ownership)
return;
mvm->mei_rfkill_blocked = blocked;
if (!mvm->hw_registered)
return;