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Second batch of iwlwifi fixes intended for 4.16:

Browse Source 
* Fix CSA issues with count 0 and 1;
 * Some firmware debugging fixes;
 * Removed a wrong error message when removing keys;
 * Fix a firmware sysassert most usually triggered in IBSS;
 * A couple of fixes on multicast queues;
 * A fix with CCMP 256;
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Merge tag 'iwlwifi-for-kalle-2018-03-02' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

Second batch of iwlwifi fixes intended for 4.16:

* Fix CSA issues with count 0 and 1;
* Some firmware debugging fixes;
* Removed a wrong error message when removing keys;
* Fix a firmware sysassert most usually triggered in IBSS;
* A couple of fixes on multicast queues;
* A fix with CCMP 256;
This commit is contained in:
Kalle Valo 2018-03-06 17:13:22 +02:00
commit f0ab68d21b
14 changed files with 125 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/Kconfig
View File

@ -91,7 +91,6 @@ config IWLWIFI_BCAST_FILTERING
config IWLWIFI_PCIE_RTPM
bool "Enable runtime power management mode for PCIe devices"
depends on IWLMVM && PM && EXPERT
default false
help
Say Y here to enable runtime power management for PCIe
devices. If enabled, the device will go into low power mode

4
drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h
View File

@ -211,7 +211,7 @@ enum {
* @TE_V2_NOTIF_HOST_FRAG_END:request/receive notification on frag end
* @TE_V2_NOTIF_INTERNAL_FRAG_START: internal FW use.
* @TE_V2_NOTIF_INTERNAL_FRAG_END: internal FW use.
* @T2_V2_START_IMMEDIATELY: start time event immediately
* @TE_V2_START_IMMEDIATELY: start time event immediately
* @TE_V2_DEP_OTHER: depends on another time event
* @TE_V2_DEP_TSF: depends on a specific time
* @TE_V2_EVENT_SOCIOPATHIC: can't co-exist with other events of tha same MAC
@ -230,7 +230,7 @@ enum iwl_time_event_policy {
TE_V2_NOTIF_HOST_FRAG_END = BIT(5),
TE_V2_NOTIF_INTERNAL_FRAG_START = BIT(6),
TE_V2_NOTIF_INTERNAL_FRAG_END = BIT(7),
T2_V2_START_IMMEDIATELY = BIT(11),
TE_V2_START_IMMEDIATELY = BIT(11),
/* placement characteristics */
TE_V2_DEP_OTHER = BIT(TE_V2_PLACEMENT_POS),

13
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -8,6 +8,7 @@
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -33,6 +34,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -942,7 +944,6 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
out:
iwl_fw_free_dump_desc(fwrt);
fwrt->dump.trig = NULL;
clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status);
IWL_DEBUG_INFO(fwrt, "WRT dump done\n");
}
@ -1112,6 +1113,14 @@ void iwl_fw_error_dump_wk(struct work_struct *work)
fwrt->ops->dump_start(fwrt->ops_ctx))
return;
if (fwrt->ops && fwrt->ops->fw_running &&
!fwrt->ops->fw_running(fwrt->ops_ctx)) {
IWL_ERR(fwrt, "Firmware not running - cannot dump error\n");
iwl_fw_free_dump_desc(fwrt);
clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status);
goto out;
}
if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
/* stop recording */
iwl_fw_dbg_stop_recording(fwrt);
@ -1145,7 +1154,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work)
iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, out_ctrl);
}
}
out:
if (fwrt->ops && fwrt->ops->dump_end)
fwrt->ops->dump_end(fwrt->ops_ctx);
}

3
drivers/net/wireless/intel/iwlwifi/fw/dbg.h
View File

@ -8,6 +8,7 @@
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -33,6 +34,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -91,6 +93,7 @@ static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
if (fwrt->dump.desc != &iwl_dump_desc_assert)
kfree(fwrt->dump.desc);
fwrt->dump.desc = NULL;
fwrt->dump.trig = NULL;
}
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);

18
drivers/net/wireless/intel/iwlwifi/fw/debugfs.h
View File

@ -75,6 +75,20 @@ static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt)
cancel_delayed_work_sync(&fwrt->timestamp.wk);
}
static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt)
{
cancel_delayed_work_sync(&fwrt->timestamp.wk);
}
static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt)
{
if (!fwrt->timestamp.delay)
return;
schedule_delayed_work(&fwrt->timestamp.wk,
round_jiffies_relative(fwrt->timestamp.delay));
}
#else
static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir)
@ -84,4 +98,8 @@ static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {}
static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {}
static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {}
#endif /* CONFIG_IWLWIFI_DEBUGFS */

12
drivers/net/wireless/intel/iwlwifi/fw/init.c
View File

@ -76,3 +76,15 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_init);
void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt)
{
iwl_fw_suspend_timestamp(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend);
void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt)
{
iwl_fw_resume_timestamp(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume);

7
drivers/net/wireless/intel/iwlwifi/fw/runtime.h
View File

@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -26,6 +27,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -68,6 +70,7 @@
struct iwl_fw_runtime_ops {
int (*dump_start)(void *ctx);
void (*dump_end)(void *ctx);
bool (*fw_running)(void *ctx);
};
#define MAX_NUM_LMAC 2
@ -150,6 +153,10 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt);
void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt);
void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt);
static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt,
enum iwl_ucode_type cur_fw_img)
{

8
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
View File

@ -1098,6 +1098,8 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
/* make sure the d0i3 exit work is not pending */
flush_work(&mvm->d0i3_exit_work);
iwl_fw_runtime_suspend(&mvm->fwrt);
ret = iwl_trans_suspend(trans);
if (ret)
return ret;
@ -2012,6 +2014,8 @@ int iwl_mvm_resume(struct ieee80211_hw *hw)
mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;
iwl_fw_runtime_resume(&mvm->fwrt);
return ret;
}
@ -2038,6 +2042,8 @@ static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file)
mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3;
iwl_fw_runtime_suspend(&mvm->fwrt);
/* start pseudo D3 */
rtnl_lock();
err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true);
@ -2098,6 +2104,8 @@ static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file)
__iwl_mvm_resume(mvm, true);
rtnl_unlock();
iwl_fw_runtime_resume(&mvm->fwrt);
mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;
iwl_abort_notification_waits(&mvm->notif_wait);

5
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -1281,9 +1283,6 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
{
int ret;
if (!iwl_mvm_firmware_running(mvm))
return -EIO;
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
if (ret)
return ret;

45
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -2106,15 +2107,40 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
if (ret)
goto out_remove;
ret = iwl_mvm_add_mcast_sta(mvm, vif);
if (ret)
goto out_unbind;
/* Send the bcast station. At this stage the TBTT and DTIM time events
* are added and applied to the scheduler */
ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
if (ret)
goto out_rm_mcast;
/*
* This is not very nice, but the simplest:
* For older FWs adding the mcast sta before the bcast station may
* cause assert 0x2b00.
* This is fixed in later FW so make the order of removal depend on
* the TLV
*/
if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) {
ret = iwl_mvm_add_mcast_sta(mvm, vif);
if (ret)
goto out_unbind;
/*
* Send the bcast station. At this stage the TBTT and DTIM time
* events are added and applied to the scheduler
*/
ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
if (ret) {
iwl_mvm_rm_mcast_sta(mvm, vif);
goto out_unbind;
}
} else {
/*
* Send the bcast station. At this stage the TBTT and DTIM time
* events are added and applied to the scheduler
*/
iwl_mvm_send_add_bcast_sta(mvm, vif);
if (ret)
goto out_unbind;
iwl_mvm_add_mcast_sta(mvm, vif);
if (ret) {
iwl_mvm_send_rm_bcast_sta(mvm, vif);
goto out_unbind;
}
}
/* must be set before quota calculations */
mvmvif->ap_ibss_active = true;
@ -2144,7 +2170,6 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
iwl_mvm_power_update_mac(mvm);
mvmvif->ap_ibss_active = false;
iwl_mvm_send_rm_bcast_sta(mvm, vif);
out_rm_mcast:
iwl_mvm_rm_mcast_sta(mvm, vif);
out_unbind:
iwl_mvm_binding_remove_vif(mvm, vif);

8
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 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
@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -552,9 +554,15 @@ static void iwl_mvm_fwrt_dump_end(void *ctx)
iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
}
static bool iwl_mvm_fwrt_fw_running(void *ctx)
{
return iwl_mvm_firmware_running(ctx);
}
static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
.dump_start = iwl_mvm_fwrt_dump_start,
.dump_end = iwl_mvm_fwrt_dump_end,
.fw_running = iwl_mvm_fwrt_fw_running,
};
static struct iwl_op_mode *

9
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
View File

@ -2039,7 +2039,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = IWL_MVM_TX_FIFO_MCAST,
.sta_id = msta->sta_id,
.tid = IWL_MAX_TID_COUNT,
.tid = 0,
.aggregate = false,
.frame_limit = IWL_FRAME_LIMIT,
};
@ -2090,7 +2090,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
if (iwl_mvm_has_new_tx_api(mvm)) {
int queue = iwl_mvm_tvqm_enable_txq(mvm, vif->cab_queue,
msta->sta_id,
IWL_MAX_TID_COUNT,
0,
timeout);
mvmvif->cab_queue = queue;
} else if (!fw_has_api(&mvm->fw->ucode_capa,
@ -2115,7 +2115,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0);
iwl_mvm_disable_txq(mvm, mvmvif->cab_queue, vif->cab_queue,
IWL_MAX_TID_COUNT, 0);
0, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id);
if (ret)
@ -3170,8 +3170,9 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id,
int ret, size;
u32 status;
/* This is a valid situation for GTK removal */
if (sta_id == IWL_MVM_INVALID_STA)
return -EINVAL;
return 0;
key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) &
STA_KEY_FLG_KEYID_MSK);

6
drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
View File

@ -616,7 +616,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm,
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_NOTIF_HOST_EVENT_END |
T2_V2_START_IMMEDIATELY);
TE_V2_START_IMMEDIATELY);
if (!wait_for_notif) {
iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
@ -803,7 +803,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_NOTIF_HOST_EVENT_END |
T2_V2_START_IMMEDIATELY);
TE_V2_START_IMMEDIATELY);
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}
@ -913,6 +913,8 @@ int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
time_cmd.interval = cpu_to_le32(1);
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_ABSENCE);
if (!apply_time)
time_cmd.policy |= cpu_to_le16(TE_V2_START_IMMEDIATELY);
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}

13
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View File

@ -419,11 +419,11 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
{
struct ieee80211_key_conf *keyconf = info->control.hw_key;
u8 *crypto_hdr = skb_frag->data + hdrlen;
enum iwl_tx_cmd_sec_ctrl type = TX_CMD_SEC_CCM;
u64 pn;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd);
iwl_mvm_set_tx_cmd_pn(info, crypto_hdr);
break;
@ -447,13 +447,16 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
break;
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
type = TX_CMD_SEC_GCMP;
/* Fall through */
case WLAN_CIPHER_SUITE_CCMP_256:
/* TODO: Taking the key from the table might introduce a race
* when PTK rekeying is done, having an old packets with a PN
* based on the old key but the message encrypted with a new
* one.
* Need to handle this.
*/
tx_cmd->sec_ctl |= TX_CMD_SEC_GCMP | TX_CMD_SEC_KEY_FROM_TABLE;
tx_cmd->sec_ctl |= type | TX_CMD_SEC_KEY_FROM_TABLE;
tx_cmd->key[0] = keyconf->hw_key_idx;
iwl_mvm_set_tx_cmd_pn(info, crypto_hdr);
break;
@ -645,7 +648,11 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
info.control.vif->type == NL80211_IFTYPE_AP ||
info.control.vif->type == NL80211_IFTYPE_ADHOC) {
sta_id = mvmvif->bcast_sta.sta_id;
if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE)
sta_id = mvmvif->bcast_sta.sta_id;
else
sta_id = mvmvif->mcast_sta.sta_id;
queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info,
hdr->frame_control);
if (queue < 0)