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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/net/wireless/intel/iwlwifi/mvm
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/constants.h8
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c88
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c75
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c120
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h99
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h69
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h157
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c12
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c57
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c45
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c109
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h139
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c9
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c228
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/power.c131
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/quota.c16
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.c28
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rx.c63
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c171
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c45
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c84
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.h25
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/time-event.c15
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/time-event.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tt.c495
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c315
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/utils.c34
28 files changed, 2269 insertions, 371 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
index b00c03fcd..4b560e441 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
@@ -6,7 +6,8 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
*
* 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
@@ -32,7 +33,8 @@
* BSD LICENSE
*
* Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -73,6 +75,7 @@
#define IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT (10 * USEC_PER_MSEC)
#define IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT (2 * 1024) /* defined in TU */
#define IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT (40 * 1024) /* defined in TU */
+#define IWL_MVM_P2P_UAPSD_STANDALONE 0
#define IWL_MVM_P2P_LOWLATENCY_PS_ENABLE 0
#define IWL_MVM_UAPSD_RX_DATA_TIMEOUT (50 * USEC_PER_MSEC)
#define IWL_MVM_UAPSD_TX_DATA_TIMEOUT (50 * USEC_PER_MSEC)
@@ -107,6 +110,7 @@
#define IWL_MVM_RS_80_20_FAR_RANGE_TWEAK 1
#define IWL_MVM_TOF_IS_RESPONDER 0
#define IWL_MVM_SW_TX_CSUM_OFFLOAD 0
+#define IWL_MVM_COLLECT_FW_ERR_DUMP 1
#define IWL_MVM_RS_NUM_TRY_BEFORE_ANT_TOGGLE 1
#define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE 2
#define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE_TW 1
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index d3e21d95c..c1a313149 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -249,16 +251,19 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw,
return;
case WLAN_CIPHER_SUITE_TKIP:
if (sta) {
+ u64 pn64;
+
tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc;
tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc;
rx_p1ks = data->tkip->rx_uni;
- ieee80211_get_key_tx_seq(key, &seq);
- tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16);
- tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32);
+ pn64 = atomic64_read(&key->tx_pn);
+ tkip_tx_sc->iv16 = cpu_to_le16(TKIP_PN_TO_IV16(pn64));
+ tkip_tx_sc->iv32 = cpu_to_le32(TKIP_PN_TO_IV32(pn64));
- ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k);
+ ieee80211_get_tkip_p1k_iv(key, TKIP_PN_TO_IV32(pn64),
+ p1k);
iwl_mvm_convert_p1k(p1k, data->tkip->tx.p1k);
memcpy(data->tkip->mic_keys.tx,
@@ -811,8 +816,7 @@ static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm)
{
iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
- iwl_trans_stop_device(mvm->trans);
-
+ iwl_mvm_stop_device(mvm);
/*
* Set the HW restart bit -- this is mostly true as we're
* going to load new firmware and reprogram that, though
@@ -1023,14 +1027,18 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
struct ieee80211_sta *ap_sta)
{
int ret;
+ bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
- ret = iwl_mvm_switch_to_d3(mvm);
- if (ret)
- return ret;
+ if (!unified_image) {
+ ret = iwl_mvm_switch_to_d3(mvm);
+ if (ret)
+ return ret;
- ret = iwl_mvm_d3_reprogram(mvm, vif, ap_sta);
- if (ret)
- return ret;
+ ret = iwl_mvm_d3_reprogram(mvm, vif, ap_sta);
+ if (ret)
+ return ret;
+ }
if (!iwlwifi_mod_params.sw_crypto) {
/*
@@ -1072,10 +1080,14 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm,
{
struct iwl_wowlan_config_cmd wowlan_config_cmd = {};
int ret;
+ bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
- ret = iwl_mvm_switch_to_d3(mvm);
- if (ret)
- return ret;
+ if (!unified_image) {
+ ret = iwl_mvm_switch_to_d3(mvm);
+ if (ret)
+ return ret;
+ }
/* rfkill release can be either for wowlan or netdetect */
if (wowlan->rfkill_release)
@@ -1151,6 +1163,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
};
int ret;
int len __maybe_unused;
+ bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
if (!wowlan) {
/*
@@ -1236,7 +1250,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
- iwl_trans_d3_suspend(mvm->trans, test);
+ iwl_trans_d3_suspend(mvm->trans, test, !unified_image);
out:
if (ret < 0) {
iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
@@ -1299,7 +1313,7 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
__set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
mutex_unlock(&mvm->d0i3_suspend_mutex);
- iwl_trans_d3_suspend(trans, false);
+ iwl_trans_d3_suspend(trans, false, false);
return 0;
}
@@ -1601,7 +1615,9 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw,
case WLAN_CIPHER_SUITE_TKIP:
iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq);
iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key);
- ieee80211_set_key_tx_seq(key, &seq);
+ atomic64_set(&key->tx_pn,
+ (u64)seq.tkip.iv16 |
+ ((u64)seq.tkip.iv32 << 16));
break;
}
@@ -2041,9 +2057,14 @@ static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac,
static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
{
struct ieee80211_vif *vif = NULL;
- int ret;
+ int ret = 1;
enum iwl_d3_status d3_status;
bool keep = false;
+ bool unified_image = fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
+
+ u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
+ CMD_WAKE_UP_TRANS;
mutex_lock(&mvm->mutex);
@@ -2052,7 +2073,7 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
if (IS_ERR_OR_NULL(vif))
goto err;
- ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test);
+ ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image);
if (ret)
goto err;
@@ -2095,17 +2116,28 @@ out_iterate:
iwl_mvm_d3_disconnect_iter, keep ? vif : NULL);
out:
- /* return 1 to reconfigure the device */
+ if (unified_image && !ret) {
+ ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
+ if (!ret) /* D3 ended successfully - no need to reset device */
+ return 0;
+ }
+
+ /*
+ * Reconfigure the device in one of the following cases:
+ * 1. We are not using a unified image
+ * 2. We are using a unified image but had an error while exiting D3
+ */
set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
set_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status);
-
- /* We always return 1, which causes mac80211 to do a reconfig
- * with IEEE80211_RECONFIG_TYPE_RESTART. This type of
- * reconfig calls iwl_mvm_restart_complete(), where we unref
- * the IWL_MVM_REF_UCODE_DOWN, so we need to take the
- * reference here.
+ /*
+ * When switching images we return 1, which causes mac80211
+ * to do a reconfig with IEEE80211_RECONFIG_TYPE_RESTART.
+ * This type of reconfig calls iwl_mvm_restart_complete(),
+ * where we unref the IWL_MVM_REF_UCODE_DOWN, so we need
+ * to take the reference here.
*/
iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
+
return 1;
}
@@ -2122,7 +2154,7 @@ static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm)
enum iwl_d3_status d3_status;
struct iwl_trans *trans = mvm->trans;
- iwl_trans_d3_resume(trans, &d3_status, false);
+ iwl_trans_d3_resume(trans, &d3_status, false, false);
/*
* make sure to clear D0I3_DEFER_WAKEUP before
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 9e0d46368..14004456b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -1255,6 +1257,7 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
+ bool prev;
u8 value;
int ret;
@@ -1265,7 +1268,9 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf,
return -EINVAL;
mutex_lock(&mvm->mutex);
- iwl_mvm_update_low_latency(mvm, vif, value);
+ prev = iwl_mvm_vif_low_latency(mvmvif);
+ mvmvif->low_latency_dbgfs = value;
+ iwl_mvm_update_low_latency(mvm, vif, prev);
mutex_unlock(&mvm->mutex);
return count;
@@ -1277,11 +1282,15 @@ static ssize_t iwl_dbgfs_low_latency_read(struct file *file,
{
struct ieee80211_vif *vif = file->private_data;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[2];
+ char buf[30] = {};
+ int len;
- buf[0] = mvmvif->low_latency ? '1' : '0';
- buf[1] = '\n';
- return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
+ len = snprintf(buf, sizeof(buf) - 1,
+ "traffic=%d\ndbgfs=%d\nvcmd=%d\n",
+ mvmvif->low_latency_traffic,
+ mvmvif->low_latency_dbgfs,
+ mvmvif->low_latency_vcmd);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t iwl_dbgfs_uapsd_misbehaving_read(struct file *file,
@@ -1363,6 +1372,59 @@ static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
}
+static void iwl_dbgfs_quota_check(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ int *ret = data;
+
+ if (mvmvif->dbgfs_quota_min)
+ *ret = -EINVAL;
+}
+
+static ssize_t iwl_dbgfs_quota_min_write(struct ieee80211_vif *vif, char *buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm *mvm = mvmvif->mvm;
+ u16 value;
+ int ret;
+
+ ret = kstrtou16(buf, 0, &value);
+ if (ret)
+ return ret;
+
+ if (value > 95)
+ return -EINVAL;
+
+ mutex_lock(&mvm->mutex);
+
+ mvmvif->dbgfs_quota_min = 0;
+ ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+ iwl_dbgfs_quota_check, &ret);
+ if (ret == 0) {
+ mvmvif->dbgfs_quota_min = value;
+ iwl_mvm_update_quotas(mvm, false, NULL);
+ }
+ mutex_unlock(&mvm->mutex);
+
+ return ret ?: count;
+}
+
+static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_vif *vif = file->private_data;
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ char buf[10];
+ int len;
+
+ len = snprintf(buf, sizeof(buf), "%d\n", mvmvif->dbgfs_quota_min);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@@ -1386,6 +1448,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32);
MVM_DEBUGFS_READ_FILE_OPS(tof_range_response);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
@@ -1423,6 +1486,8 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir,
S_IRUSR | S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir,
+ S_IRUSR | S_IWUSR);
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
mvmvif == mvm->bf_allowed_vif)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 90500e2d1..a43b3921c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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
@@ -63,6 +64,7 @@
*
*****************************************************************************/
#include <linux/vmalloc.h>
+#include <linux/ieee80211.h>
#include "mvm.h"
#include "fw-dbg.h"
@@ -71,6 +73,44 @@
#include "debugfs.h"
#include "iwl-fw-error-dump.h"
+static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ char buf[16];
+ int pos, budget;
+
+ if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
+ return -EIO;
+
+ mutex_lock(&mvm->mutex);
+ budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
+ mutex_unlock(&mvm->mutex);
+
+ if (budget < 0)
+ return budget;
+
+ pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
+ size_t count, loff_t *ppos)
+{
+ int ret;
+
+ if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
+ return -EIO;
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
+ mutex_unlock(&mvm->mutex);
+
+ return ret ?: count;
+}
+
static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
size_t count, loff_t *ppos)
{
@@ -261,17 +301,18 @@ static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
{
struct iwl_mvm *mvm = file->private_data;
char buf[16];
- int pos, temp;
+ int pos, ret;
+ s32 temp;
if (!mvm->ucode_loaded)
return -EIO;
mutex_lock(&mvm->mutex);
- temp = iwl_mvm_get_temp(mvm);
+ ret = iwl_mvm_get_temp(mvm, &temp);
mutex_unlock(&mvm->mutex);
- if (temp < 0)
- return temp;
+ if (ret)
+ return -EIO;
pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
@@ -942,6 +983,47 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
return count;
}
+static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
+ char *buf, size_t count,
+ loff_t *ppos)
+{
+ struct iwl_rss_config_cmd cmd = {
+ .flags = cpu_to_le32(IWL_RSS_ENABLE),
+ .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
+ IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
+ IWL_RSS_HASH_TYPE_IPV6_TCP |
+ IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
+ };
+ int ret, i, num_repeats, nbytes = count / 2;
+
+ ret = hex2bin(cmd.indirection_table, buf, nbytes);
+ if (ret)
+ return ret;
+
+ /*
+ * The input is the redirection table, partial or full.
+ * Repeat the pattern if needed.
+ * For example, input of 01020F will be repeated 42 times,
+ * indirecting RSS hash results to queues 1, 2, 15 (skipping
+ * queues 3 - 14).
+ */
+ num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
+ for (i = 1; i < num_repeats; i++)
+ memcpy(&cmd.indirection_table[i * nbytes],
+ cmd.indirection_table, nbytes);
+ /* handle cut in the middle pattern for the last places */
+ memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
+ ARRAY_SIZE(cmd.indirection_table) % nbytes);
+
+ memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
+ mutex_unlock(&mvm->mutex);
+
+ return ret ?: count;
+}
+
static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -983,7 +1065,7 @@ static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
return -EOPNOTSUPP;
- ret = kstrtouint(buf, 0, &rec_mode);
+ ret = kstrtoint(buf, 0, &rec_mode);
if (ret)
return ret;
@@ -1037,6 +1119,22 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
return count;
}
+static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm,
+ char *buf, size_t count,
+ loff_t *ppos)
+{
+ unsigned int max_amsdu_len;
+ int ret;
+
+ ret = kstrtouint(buf, 0, &max_amsdu_len);
+
+ if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454)
+ return -EINVAL;
+ mvm->max_amsdu_len = max_amsdu_len;
+
+ return count;
+}
+
#define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
@@ -1433,6 +1531,8 @@ iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
/* Device wide debugfs entries */
+MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
+MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
@@ -1454,6 +1554,9 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
+MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8);
+MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
+ (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
@@ -1479,6 +1582,8 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
S_IWUSR | S_IRUSR);
MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
+ MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR);
+ MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
@@ -1496,13 +1601,18 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR);
if (!debugfs_create_bool("enable_scan_iteration_notif",
S_IRUSR | S_IWUSR,
mvm->debugfs_dir,
&mvm->scan_iter_notif_enabled))
goto err;
+ if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR,
+ mvm->debugfs_dir, &mvm->drop_bcn_ap_mode))
+ goto err;
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
index 62b9a0a96..eec52c57f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h
@@ -251,6 +251,7 @@ enum iwl_wowlan_flags {
ENABLE_L3_FILTERING = BIT(1),
ENABLE_NBNS_FILTERING = BIT(2),
ENABLE_DHCP_FILTERING = BIT(3),
+ ENABLE_STORE_BEACON = BIT(4),
};
struct iwl_wowlan_config_cmd {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
index fb6d341d6..7a16e55df 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
@@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* 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
@@ -34,7 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -264,9 +264,8 @@ enum iwl_rx_mpdu_mac_flags2 {
};
enum iwl_rx_mpdu_amsdu_info {
- IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK = 0x3f,
- IWL_RX_MPDU_AMSDU_LAST_SUBFRAME = 0x40,
- /* 0x80 bit reserved for now */
+ IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK = 0x7f,
+ IWL_RX_MPDU_AMSDU_LAST_SUBFRAME = 0x80,
};
enum iwl_rx_l3l4_flags {
@@ -287,16 +286,13 @@ enum iwl_rx_mpdu_status {
IWL_RX_MPDU_STATUS_KEY_ERROR = BIT(4),
IWL_RX_MPDU_STATUS_ICV_OK = BIT(5),
IWL_RX_MPDU_STATUS_MIC_OK = BIT(6),
- /* TODO - verify this is the correct value */
IWL_RX_MPDU_RES_STATUS_TTAK_OK = BIT(7),
IWL_RX_MPDU_STATUS_SEC_MASK = 0x7 << 8,
IWL_RX_MPDU_STATUS_SEC_NONE = 0x0 << 8,
IWL_RX_MPDU_STATUS_SEC_WEP = 0x1 << 8,
IWL_RX_MPDU_STATUS_SEC_CCM = 0x2 << 8,
IWL_RX_MPDU_STATUS_SEC_TKIP = 0x3 << 8,
- /* TODO - define IWL_RX_MPDU_STATUS_SEC_EXT_ENC - this is a stub */
IWL_RX_MPDU_STATUS_SEC_EXT_ENC = 0x4 << 8,
- /* TODO - define IWL_RX_MPDU_STATUS_SEC_GCM - this is a stub */
IWL_RX_MPDU_STATUS_SEC_GCM = 0x5 << 8,
IWL_RX_MPDU_STATUS_DECRYPTED = BIT(11),
IWL_RX_MPDU_STATUS_WEP_MATCH = BIT(12),
@@ -350,11 +346,11 @@ struct iwl_rx_mpdu_desc {
/* DW8 */
__le32 filter_match;
/* DW9 */
- __le32 gp2_on_air_rise;
- /* DW10 */
__le32 rate_n_flags;
+ /* DW10 */
+ u8 energy_a, energy_b, channel, reserved;
/* DW11 */
- u8 energy_a, energy_b, energy_c, channel;
+ __le32 gp2_on_air_rise;
/* DW12 & DW13 */
__le64 tsf_on_air_rise;
} __packed;
@@ -365,4 +361,85 @@ struct iwl_frame_release {
__le16 nssn;
};
+enum iwl_rss_hash_func_en {
+ IWL_RSS_HASH_TYPE_IPV4_TCP,
+ IWL_RSS_HASH_TYPE_IPV4_UDP,
+ IWL_RSS_HASH_TYPE_IPV4_PAYLOAD,
+ IWL_RSS_HASH_TYPE_IPV6_TCP,
+ IWL_RSS_HASH_TYPE_IPV6_UDP,
+ IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
+};
+
+#define IWL_RSS_HASH_KEY_CNT 10
+#define IWL_RSS_INDIRECTION_TABLE_SIZE 128
+#define IWL_RSS_ENABLE 1
+
+/**
+ * struct iwl_rss_config_cmd - RSS (Receive Side Scaling) configuration
+ *
+ * @flags: 1 - enable, 0 - disable
+ * @hash_mask: Type of RSS to use. Values are from %iwl_rss_hash_func_en
+ * @secret_key: 320 bit input of random key configuration from driver
+ * @indirection_table: indirection table
+ */
+struct iwl_rss_config_cmd {
+ __le32 flags;
+ u8 hash_mask;
+ u8 reserved[3];
+ __le32 secret_key[IWL_RSS_HASH_KEY_CNT];
+ u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE];
+} __packed; /* RSS_CONFIG_CMD_API_S_VER_1 */
+
+#define IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE 128
+#define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0
+#define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf
+
+/**
+ * struct iwl_rxq_sync_cmd - RXQ notification trigger
+ *
+ * @flags: flags of the notification. bit 0:3 are the sender queue
+ * @rxq_mask: rx queues to send the notification on
+ * @count: number of bytes in payload, should be DWORD aligned
+ * @payload: data to send to rx queues
+ */
+struct iwl_rxq_sync_cmd {
+ __le32 flags;
+ __le32 rxq_mask;
+ __le32 count;
+ u8 payload[];
+} __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
+
+/**
+ * struct iwl_rxq_sync_notification - Notification triggered by RXQ
+ * sync command
+ *
+ * @count: number of bytes in payload
+ * @payload: data to send to rx queues
+ */
+struct iwl_rxq_sync_notification {
+ __le32 count;
+ u8 payload[];
+} __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
+
+/**
+* Internal message identifier
+*
+* @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA
+*/
+enum iwl_mvm_rxq_notif_type {
+ IWL_MVM_RXQ_NOTIF_DEL_BA,
+};
+
+/**
+* struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent
+* in &iwl_rxq_sync_cmd. Should be DWORD aligned.
+*
+* @type: value from &iwl_mvm_rxq_notif_type
+* @data: payload
+*/
+struct iwl_mvm_internal_rxq_notif {
+ u32 type;
+ u8 data[];
+} __packed;
+
#endif /* __fw_api_rx_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h
index 6fca4fb1d..90d911394 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -253,6 +255,68 @@ struct iwl_mvm_keyinfo {
__le64 hw_tkip_mic_tx_key;
} __packed;
+#define IWL_ADD_STA_STATUS_MASK 0xFF
+#define IWL_ADD_STA_BAID_MASK 0xFF00
+
+/**
+ * struct iwl_mvm_add_sta_cmd_v7 - Add/modify a station in the fw's sta table.
+ * ( REPLY_ADD_STA = 0x18 )
+ * @add_modify: 1: modify existing, 0: add new station
+ * @awake_acs:
+ * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
+ * AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
+ * @mac_id_n_color: the Mac context this station belongs to
+ * @addr[ETH_ALEN]: station's MAC address
+ * @sta_id: index of station in uCode's station table
+ * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
+ * alone. 1 - modify, 0 - don't change.
+ * @station_flags: look at %iwl_sta_flags
+ * @station_flags_msk: what of %station_flags have changed
+ * @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
+ * Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
+ * add_immediate_ba_ssn.
+ * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
+ * Set %STA_MODIFY_REMOVE_BA_TID to use this field
+ * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
+ * add_immediate_ba_tid.
+ * @sleep_tx_count: number of packets to transmit to station even though it is
+ * asleep. Used to synchronise PS-poll and u-APSD responses while ucode
+ * keeps track of STA sleep state.
+ * @sleep_state_flags: Look at %iwl_sta_sleep_flag.
+ * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
+ * mac-addr.
+ * @beamform_flags: beam forming controls
+ * @tfd_queue_msk: tfd queues used by this station
+ *
+ * The device contains an internal table of per-station information, with info
+ * on security keys, aggregation parameters, and Tx rates for initial Tx
+ * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
+ *
+ * ADD_STA sets up the table entry for one station, either creating a new
+ * entry, or modifying a pre-existing one.
+ */
+struct iwl_mvm_add_sta_cmd_v7 {
+ u8 add_modify;
+ u8 awake_acs;
+ __le16 tid_disable_tx;
+ __le32 mac_id_n_color;
+ u8 addr[ETH_ALEN]; /* _STA_ID_MODIFY_INFO_API_S_VER_1 */
+ __le16 reserved2;
+ u8 sta_id;
+ u8 modify_mask;
+ __le16 reserved3;
+ __le32 station_flags;
+ __le32 station_flags_msk;
+ u8 add_immediate_ba_tid;
+ u8 remove_immediate_ba_tid;
+ __le16 add_immediate_ba_ssn;
+ __le16 sleep_tx_count;
+ __le16 sleep_state_flags;
+ __le16 assoc_id;
+ __le16 beamform_flags;
+ __le32 tfd_queue_msk;
+} __packed; /* ADD_STA_CMD_API_S_VER_7 */
+
/**
* struct iwl_mvm_add_sta_cmd - Add/modify a station in the fw's sta table.
* ( REPLY_ADD_STA = 0x18 )
@@ -282,6 +346,7 @@ struct iwl_mvm_keyinfo {
* mac-addr.
* @beamform_flags: beam forming controls
* @tfd_queue_msk: tfd queues used by this station
+ * @rx_ba_window: aggregation window size
*
* The device contains an internal table of per-station information, with info
* on security keys, aggregation parameters, and Tx rates for initial Tx
@@ -310,7 +375,9 @@ struct iwl_mvm_add_sta_cmd {
__le16 assoc_id;
__le16 beamform_flags;
__le32 tfd_queue_msk;
-} __packed; /* ADD_STA_CMD_API_S_VER_7 */
+ __le16 rx_ba_window;
+ __le16 reserved;
+} __packed; /* ADD_STA_CMD_API_S_VER_8 */
/**
* struct iwl_mvm_add_sta_key_cmd - add/modify sta key
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 82049bb13..4a0fc47c8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -119,6 +119,8 @@ enum {
SCAN_ABORT_UMAC = 0xe,
SCAN_COMPLETE_UMAC = 0xf,
+ BA_WINDOW_STATUS_NOTIFICATION_ID = 0x13,
+
/* station table */
ADD_STA_KEY = 0x17,
ADD_STA = 0x18,
@@ -213,6 +215,8 @@ enum {
MFUART_LOAD_NOTIFICATION = 0xb1,
+ RSS_CONFIG_CMD = 0xb3,
+
REPLY_RX_PHY_CMD = 0xc0,
REPLY_RX_MPDU_CMD = 0xc1,
FRAME_RELEASE = 0xc3,
@@ -277,14 +281,30 @@ enum {
*/
enum iwl_phy_ops_subcmd_ids {
CMD_DTS_MEASUREMENT_TRIGGER_WIDE = 0x0,
+ CTDP_CONFIG_CMD = 0x03,
+ TEMP_REPORTING_THRESHOLDS_CMD = 0x04,
+ CT_KILL_NOTIFICATION = 0xFE,
DTS_MEASUREMENT_NOTIF_WIDE = 0xFF,
};
+enum iwl_data_path_subcmd_ids {
+ UPDATE_MU_GROUPS_CMD = 0x1,
+ TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2,
+ MU_GROUP_MGMT_NOTIF = 0xFE,
+ RX_QUEUES_NOTIFICATION = 0xFF,
+};
+
+enum iwl_prot_offload_subcmd_ids {
+ STORED_BEACON_NTF = 0xFF,
+};
+
/* command groups */
enum {
LEGACY_GROUP = 0x0,
LONG_GROUP = 0x1,
PHY_OPS_GROUP = 0x4,
+ DATA_PATH_GROUP = 0x5,
+ PROT_OFFLOAD_GROUP = 0xb,
};
/**
@@ -1271,6 +1291,26 @@ struct iwl_fw_bcast_filter {
struct iwl_fw_bcast_filter_attr attrs[MAX_BCAST_FILTER_ATTRS];
} __packed; /* BCAST_FILTER_S_VER_1 */
+#define BA_WINDOW_STREAMS_MAX 16
+#define BA_WINDOW_STATUS_TID_MSK 0x000F
+#define BA_WINDOW_STATUS_STA_ID_POS 4
+#define BA_WINDOW_STATUS_STA_ID_MSK 0x01F0
+#define BA_WINDOW_STATUS_VALID_MSK BIT(9)
+
+/**
+ * struct iwl_ba_window_status_notif - reordering window's status notification
+ * @bitmap: bitmap of received frames [start_seq_num + 0]..[start_seq_num + 63]
+ * @ra_tid: bit 3:0 - TID, bit 8:4 - STA_ID, bit 9 - valid
+ * @start_seq_num: the start sequence number of the bitmap
+ * @mpdu_rx_count: the number of received MPDUs since entering D0i3
+ */
+struct iwl_ba_window_status_notif {
+ __le64 bitmap[BA_WINDOW_STREAMS_MAX];
+ __le16 ra_tid[BA_WINDOW_STREAMS_MAX];
+ __le32 start_seq_num[BA_WINDOW_STREAMS_MAX];
+ __le16 mpdu_rx_count[BA_WINDOW_STREAMS_MAX];
+} __packed; /* BA_WINDOW_STATUS_NTFY_API_S_VER_1 */
+
/**
* struct iwl_fw_bcast_mac - per-mac broadcast filtering configuration.
* @default_discard: default action for this mac (discard (1) / pass (0)).
@@ -1668,15 +1708,77 @@ struct iwl_ext_dts_measurement_cmd {
} __packed; /* XVT_FW_DTS_CONTROL_MEASUREMENT_REQUEST_API_S */
/**
- * iwl_dts_measurement_notif - notification received with the measurements
+ * struct iwl_dts_measurement_notif_v1 - measurements notification
*
* @temp: the measured temperature
* @voltage: the measured voltage
*/
-struct iwl_dts_measurement_notif {
+struct iwl_dts_measurement_notif_v1 {
__le32 temp;
__le32 voltage;
-} __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S */
+} __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S_VER_1*/
+
+/**
+ * struct iwl_dts_measurement_notif_v2 - measurements notification
+ *
+ * @temp: the measured temperature
+ * @voltage: the measured voltage
+ * @threshold_idx: the trip index that was crossed
+ */
+struct iwl_dts_measurement_notif_v2 {
+ __le32 temp;
+ __le32 voltage;
+ __le32 threshold_idx;
+} __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S_VER_2 */
+
+/**
+ * struct ct_kill_notif - CT-kill entry notification
+ *
+ * @temperature: the current temperature in celsius
+ * @reserved: reserved
+ */
+struct ct_kill_notif {
+ __le16 temperature;
+ __le16 reserved;
+} __packed; /* GRP_PHY_CT_KILL_NTF */
+
+/**
+* enum ctdp_cmd_operation - CTDP command operations
+* @CTDP_CMD_OPERATION_START: update the current budget
+* @CTDP_CMD_OPERATION_STOP: stop ctdp
+* @CTDP_CMD_OPERATION_REPORT: get the avgerage budget
+*/
+enum iwl_mvm_ctdp_cmd_operation {
+ CTDP_CMD_OPERATION_START = 0x1,
+ CTDP_CMD_OPERATION_STOP = 0x2,
+ CTDP_CMD_OPERATION_REPORT = 0x4,
+};/* CTDP_CMD_OPERATION_TYPE_E */
+
+/**
+ * struct iwl_mvm_ctdp_cmd - track and manage the FW power consumption budget
+ *
+ * @operation: see &enum iwl_mvm_ctdp_cmd_operation
+ * @budget: the budget in milliwatt
+ * @window_size: defined in API but not used
+ */
+struct iwl_mvm_ctdp_cmd {
+ __le32 operation;
+ __le32 budget;
+ __le32 window_size;
+} __packed;
+
+#define IWL_MAX_DTS_TRIPS 8
+
+/**
+ * struct iwl_temp_report_ths_cmd - set temperature thresholds
+ *
+ * @num_temps: number of temperature thresholds passed
+ * @thresholds: array with the thresholds to be configured
+ */
+struct temp_report_ths_cmd {
+ __le32 num_temps;
+ __le16 thresholds[IWL_MAX_DTS_TRIPS];
+} __packed; /* GRP_PHY_TEMP_REPORTING_THRESHOLDS_CMD */
/***********************************
* TDLS API
@@ -1851,4 +1953,53 @@ struct iwl_shared_mem_cfg {
__le32 page_buff_size;
} __packed; /* SHARED_MEM_ALLOC_API_S_VER_1 */
+/**
+ * VHT MU-MIMO group configuration
+ *
+ * @membership_status: a bitmap of MU groups
+ * @user_position:the position of station in a group. If the station is in the
+ * group then bits (group * 2) is the position -1
+ */
+struct iwl_mu_group_mgmt_cmd {
+ __le32 reserved;
+ __le32 membership_status[2];
+ __le32 user_position[4];
+} __packed; /* MU_GROUP_ID_MNG_TABLE_API_S_VER_1 */
+
+/**
+ * struct iwl_mu_group_mgmt_notif - VHT MU-MIMO group id notification
+ *
+ * @membership_status: a bitmap of MU groups
+ * @user_position: the position of station in a group. If the station is in the
+ * group then bits (group * 2) is the position -1
+ */
+struct iwl_mu_group_mgmt_notif {
+ __le32 membership_status[2];
+ __le32 user_position[4];
+} __packed; /* MU_GROUP_MNG_NTFY_API_S_VER_1 */
+
+#define MAX_STORED_BEACON_SIZE 600
+
+/**
+ * Stored beacon notification
+ *
+ * @system_time: system time on air rise
+ * @tsf: TSF on air rise
+ * @beacon_timestamp: beacon on air rise
+ * @phy_flags: general phy flags: band, modulation, etc.
+ * @channel: channel this beacon was received on
+ * @rates: rate in ucode internal format
+ * @byte_count: frame's byte count
+ */
+struct iwl_stored_beacon_notif {
+ __le32 system_time;
+ __le64 tsf;
+ __le32 beacon_timestamp;
+ __le16 phy_flags;
+ __le16 channel;
+ __le32 rates;
+ __le32 byte_count;
+ u8 data[MAX_STORED_BEACON_SIZE];
+} __packed; /* WOWLAN_STROED_BEACON_INFO_S_VER_1 */
+
#endif /* __fw_api_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
index 0813f8184..6938cd37b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -435,6 +435,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
bool monitor_dump_only = false;
int i;
+ if (!IWL_MVM_COLLECT_FW_ERR_DUMP &&
+ !mvm->trans->dbg_dest_tlv)
+ return;
+
lockdep_assert_held(&mvm->mutex);
/* there's no point in fw dump if the bus is dead */
@@ -522,7 +526,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
/* Make room for fw's virtual image pages, if it exists */
- if (mvm->fw->img[mvm->cur_ucode].paging_mem_size)
+ if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+ mvm->fw_paging_db[0].fw_paging_block)
file_len += mvm->num_of_paging_blk *
(sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_paging) +
@@ -639,9 +644,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
}
/* Dump fw's virtual image */
- if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) {
- u32 i;
-
+ if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+ mvm->fw_paging_db[0].fw_paging_block) {
for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
struct iwl_fw_error_dump_paging *paging;
struct page *pages =
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 0ccc697fe..09d895faf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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
@@ -107,6 +108,24 @@ static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
sizeof(tx_ant_cmd), &tx_ant_cmd);
}
+static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
+{
+ int i;
+ struct iwl_rss_config_cmd cmd = {
+ .flags = cpu_to_le32(IWL_RSS_ENABLE),
+ .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
+ IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
+ IWL_RSS_HASH_TYPE_IPV6_TCP |
+ IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
+ };
+
+ for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
+ cmd.indirection_table[i] = i % mvm->trans->num_rx_queues;
+ memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
+
+ return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
+}
+
void iwl_free_fw_paging(struct iwl_mvm *mvm)
{
int i;
@@ -125,9 +144,11 @@ void iwl_free_fw_paging(struct iwl_mvm *mvm)
__free_pages(mvm->fw_paging_db[i].fw_paging_block,
get_order(mvm->fw_paging_db[i].fw_paging_size));
+ mvm->fw_paging_db[i].fw_paging_block = NULL;
}
kfree(mvm->trans->paging_download_buf);
mvm->trans->paging_download_buf = NULL;
+ mvm->trans->paging_db = NULL;
memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
}
@@ -520,7 +541,9 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
struct iwl_sf_region st_fwrd_space;
if (ucode_type == IWL_UCODE_REGULAR &&
- iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE))
+ iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
+ !(fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
else
fw = iwl_get_ucode_image(mvm, ucode_type);
@@ -896,6 +919,16 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (ret)
goto error;
+ /* Init RSS configuration */
+ if (iwl_mvm_has_new_rx_api(mvm)) {
+ ret = iwl_send_rss_cfg_cmd(mvm);
+ if (ret) {
+ IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
+ ret);
+ goto error;
+ }
+ }
+
/* init the fw <-> mac80211 STA mapping */
for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
@@ -925,8 +958,26 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
goto error;
}
+#ifdef CONFIG_THERMAL
+ if (iwl_mvm_is_tt_in_fw(mvm)) {
+ /* in order to give the responsibility of ct-kill and
+ * TX backoff to FW we need to send empty temperature reporting
+ * cmd during init time
+ */
+ iwl_mvm_send_temp_report_ths_cmd(mvm);
+ } else {
+ /* Initialize tx backoffs to the minimal possible */
+ iwl_mvm_tt_tx_backoff(mvm, 0);
+ }
+
+ /* TODO: read the budget from BIOS / Platform NVM */
+ if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0)
+ ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
+ mvm->cooling_dev.cur_state);
+#else
/* Initialize tx backoffs to the minimal possible */
iwl_mvm_tt_tx_backoff(mvm, 0);
+#endif
WARN_ON(iwl_mvm_config_ltr(mvm));
@@ -962,7 +1013,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
return 0;
error:
- iwl_trans_stop_device(mvm->trans);
+ iwl_mvm_stop_device(mvm);
return ret;
}
@@ -1006,7 +1057,7 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
return 0;
error:
- iwl_trans_stop_device(mvm->trans);
+ iwl_mvm_stop_device(mvm);
return ret;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index bf1e5eb5d..e885db346 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* 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
@@ -34,7 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -744,7 +744,7 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
* wake-ups.
*/
cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);
- if (mvmvif->ap_assoc_sta_count) {
+ if (mvmvif->ap_assoc_sta_count || !mvm->drop_bcn_ap_mode) {
cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON);
IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n");
} else {
@@ -1462,3 +1462,42 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
iwl_mvm_beacon_loss_iterator,
mb);
}
+
+void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_stored_beacon_notif *sb = (void *)pkt->data;
+ struct ieee80211_rx_status rx_status;
+ struct sk_buff *skb;
+ u32 size = le32_to_cpu(sb->byte_count);
+
+ if (size == 0)
+ return;
+
+ skb = alloc_skb(size, GFP_ATOMIC);
+ if (!skb) {
+ IWL_ERR(mvm, "alloc_skb failed\n");
+ return;
+ }
+
+ /* update rx_status according to the notification's metadata */
+ memset(&rx_status, 0, sizeof(rx_status));
+ rx_status.mactime = le64_to_cpu(sb->tsf);
+ /* TSF as indicated by the firmware is at INA time */
+ rx_status.flag |= RX_FLAG_MACTIME_PLCP_START;
+ rx_status.device_timestamp = le32_to_cpu(sb->system_time);
+ rx_status.band =
+ (sb->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ?
+ IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+ rx_status.freq =
+ ieee80211_channel_to_frequency(le16_to_cpu(sb->channel),
+ rx_status.band);
+
+ /* copy the data */
+ memcpy(skb_put(skb, size), sb->data, size);
+ memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
+
+ /* pass it as regular rx to mac80211 */
+ ieee80211_rx_napi(mvm->hw, skb, NULL);
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 1486f33a7..a50f4df7e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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
@@ -69,7 +70,6 @@
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/if_arp.h>
-#include <linux/devcoredump.h>
#include <linux/time.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
@@ -85,7 +85,6 @@
#include "testmode.h"
#include "iwl-fw-error-dump.h"
#include "iwl-prph.h"
-#include "iwl-csr.h"
#include "iwl-nvm-parse.h"
#include "fw-dbg.h"
@@ -837,13 +836,17 @@ iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid,
- u16 *ssn, u8 buf_size, bool amsdu)
+ struct ieee80211_ampdu_params *params)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
bool tx_agg_ref = false;
+ struct ieee80211_sta *sta = params->sta;
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ u16 tid = params->tid;
+ u16 *ssn = &params->ssn;
+ u8 buf_size = params->buf_size;
+ bool amsdu = params->amsdu;
IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
sta->addr, tid, action);
@@ -884,10 +887,10 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
ret = -EINVAL;
break;
}
- ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
+ ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size);
break;
case IEEE80211_AMPDU_RX_STOP:
- ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
+ ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size);
break;
case IEEE80211_AMPDU_TX_START:
if (!iwl_enable_tx_ampdu(mvm->cfg)) {
@@ -904,7 +907,8 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
- ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
+ ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
+ buf_size, amsdu);
break;
default:
WARN_ON_ONCE(1);
@@ -966,7 +970,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
*/
iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
- iwl_trans_stop_device(mvm->trans);
+ iwl_mvm_stop_device(mvm);
mvm->scan_status = 0;
mvm->ps_disabled = false;
@@ -1135,7 +1139,7 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
*/
flush_work(&mvm->roc_done_wk);
- iwl_trans_stop_device(mvm->trans);
+ iwl_mvm_stop_device(mvm);
iwl_mvm_async_handlers_purge(mvm);
/* async_handlers_list is empty and will stay empty: HW is stopped */
@@ -1168,8 +1172,6 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
mvm->scan_uid_status[i] = 0;
}
}
-
- mvm->ucode_loaded = false;
}
static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
@@ -1761,6 +1763,50 @@ static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
}
#endif
+static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mu_group_mgmt_cmd cmd = {};
+
+ memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
+ WLAN_MEMBERSHIP_LEN);
+ memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
+ WLAN_USER_POSITION_LEN);
+
+ return iwl_mvm_send_cmd_pdu(mvm,
+ WIDE_ID(DATA_PATH_GROUP,
+ UPDATE_MU_GROUPS_CMD),
+ 0, sizeof(cmd), &cmd);
+}
+
+static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ if (vif->mu_mimo_owner) {
+ struct iwl_mu_group_mgmt_notif *notif = _data;
+
+ /*
+ * MU-MIMO Group Id action frame is little endian. We treat
+ * the data received from firmware as if it came from the
+ * action frame, so no conversion is needed.
+ */
+ ieee80211_update_mu_groups(vif,
+ (u8 *)&notif->membership_status,
+ (u8 *)&notif->user_position);
+ }
+}
+
+void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
+
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_mu_mimo_iface_iterator, notif);
+}
+
static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
@@ -1869,6 +1915,18 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
vif->addr);
}
+ /*
+ * The firmware tracks the MU-MIMO group on its own.
+ * However, on HW restart we should restore this data.
+ */
+ if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
+ (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) {
+ ret = iwl_mvm_update_mu_groups(mvm, vif);
+ if (ret)
+ IWL_ERR(mvm,
+ "failed to update VHT MU_MIMO groups\n");
+ }
+
iwl_mvm_recalc_multicast(mvm);
iwl_mvm_configure_bcast_filter(mvm);
@@ -1895,7 +1953,12 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
}
- if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
+ if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS |
+ /*
+ * Send power command on every beacon change,
+ * because we may have not enabled beacon abort yet.
+ */
+ BSS_CHANGED_BEACON_INFO)) {
ret = iwl_mvm_power_update_mac(mvm);
if (ret)
IWL_ERR(mvm, "failed to update power mode\n");
@@ -2082,7 +2145,6 @@ iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
bss_conf->txpower);
iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
}
-
}
static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
@@ -2275,6 +2337,11 @@ static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
return;
+ if (vif->p2p && !iwl_mvm_is_p2p_standalone_uapsd_supported(mvm)) {
+ vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
+ return;
+ }
+
if (iwlwifi_mod_params.uapsd_disable) {
vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
return;
@@ -2489,10 +2556,8 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
- u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
- 200 + vif->bss_conf.beacon_int);
- u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
- 100 + vif->bss_conf.beacon_int);
+ u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
+ u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS;
if (WARN_ON_ONCE(vif->bss_conf.assoc))
return;
@@ -2584,7 +2649,7 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
break;
case WLAN_CIPHER_SUITE_CCMP:
key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
@@ -2623,8 +2688,12 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
* GTK on AP interface is a TX-only key, return 0;
* on IBSS they're per-station and because we're lazy
* we don't support them for RX, so do the same.
+ * CMAC in AP/IBSS modes must be done in software.
*/
- ret = 0;
+ if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
+ ret = -EOPNOTSUPP;
+ else
+ ret = 0;
key->hw_key_idx = STA_KEY_IDX_INVALID;
break;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index ff7c6df9f..9abbc93e3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -71,6 +73,10 @@
#include <linux/leds.h>
#include <linux/in6.h>
+#ifdef CONFIG_THERMAL
+#include <linux/thermal.h>
+#endif
+
#include "iwl-op-mode.h"
#include "iwl-trans.h"
#include "iwl-notif-wait.h"
@@ -346,8 +352,9 @@ struct iwl_mvm_vif_bf_data {
* @pm_enabled - Indicate if MAC power management is allowed
* @monitor_active: indicates that monitor context is configured, and that the
* interface should get quota etc.
- * @low_latency: indicates that this interface is in low-latency mode
- * (VMACLowLatencyMode)
+ * @low_latency_traffic: indicates low latency traffic was detected
+ * @low_latency_dbgfs: low latency mode set from debugfs
+ * @low_latency_vcmd: low latency mode set from vendor command
* @ps_disabled: indicates that this interface requires PS to be disabled
* @queue_params: QoS params for this MAC
* @bcast_sta: station used for broadcast packets. Used by the following
@@ -375,7 +382,7 @@ struct iwl_mvm_vif {
bool ap_ibss_active;
bool pm_enabled;
bool monitor_active;
- bool low_latency;
+ bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
bool ps_disabled;
struct iwl_mvm_vif_bf_data bf_data;
@@ -432,6 +439,7 @@ struct iwl_mvm_vif {
struct iwl_dbgfs_pm dbgfs_pm;
struct iwl_dbgfs_bf dbgfs_bf;
struct iwl_mac_power_cmd mac_pwr_cmd;
+ int dbgfs_quota_min;
#endif
enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
@@ -485,6 +493,12 @@ enum iwl_mvm_scan_type {
IWL_SCAN_TYPE_FRAGMENTED,
};
+enum iwl_mvm_sched_scan_pass_all_states {
+ SCHED_SCAN_PASS_ALL_DISABLED,
+ SCHED_SCAN_PASS_ALL_ENABLED,
+ SCHED_SCAN_PASS_ALL_FOUND,
+};
+
/**
* struct iwl_nvm_section - describes an NVM section in memory.
*
@@ -515,6 +529,30 @@ struct iwl_mvm_tt_mgmt {
bool throttle;
};
+#ifdef CONFIG_THERMAL
+/**
+ *struct iwl_mvm_thermal_device - thermal zone related data
+ * @temp_trips: temperature thresholds for report
+ * @fw_trips_index: keep indexes to original array - temp_trips
+ * @tzone: thermal zone device data
+*/
+struct iwl_mvm_thermal_device {
+ s16 temp_trips[IWL_MAX_DTS_TRIPS];
+ u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
+ struct thermal_zone_device *tzone;
+};
+
+/*
+ * struct iwl_mvm_cooling_device
+ * @cur_state: current state
+ * @cdev: struct thermal cooling device
+ */
+struct iwl_mvm_cooling_device {
+ u32 cur_state;
+ struct thermal_cooling_device *cdev;
+};
+#endif
+
#define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
struct iwl_mvm_frame_stats {
@@ -645,6 +683,7 @@ struct iwl_mvm {
atomic_t pending_frames[IWL_MVM_STATION_COUNT];
u32 tfd_drained[IWL_MVM_STATION_COUNT];
u8 rx_ba_sessions;
+ u32 secret_key[IWL_RSS_HASH_KEY_CNT];
/* configured by mac80211 */
u32 rts_threshold;
@@ -654,6 +693,7 @@ struct iwl_mvm {
void *scan_cmd;
struct iwl_mcast_filter_cmd *mcast_filter_cmd;
enum iwl_mvm_scan_type scan_type;
+ enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
/* max number of simultaneous scans the FW supports */
unsigned int max_scans;
@@ -794,6 +834,11 @@ struct iwl_mvm {
/* Thermal Throttling and CTkill */
struct iwl_mvm_tt_mgmt thermal_throttle;
+#ifdef CONFIG_THERMAL
+ struct iwl_mvm_thermal_device tz_device;
+ struct iwl_mvm_cooling_device cooling_dev;
+#endif
+
s32 temperature; /* Celsius */
/*
* Debug option to set the NIC temperature. This option makes the
@@ -816,6 +861,7 @@ struct iwl_mvm {
/* Indicate if device power save is allowed */
u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
+ unsigned int max_amsdu_len; /* used for debugfs only */
struct ieee80211_vif __rcu *csa_vif;
struct ieee80211_vif __rcu *csa_tx_blocked_vif;
@@ -856,6 +902,12 @@ struct iwl_mvm {
u32 ciphers[6];
struct iwl_mvm_tof_data tof_data;
+
+ /*
+ * Drop beacons from other APs in AP mode when there are no connected
+ * clients.
+ */
+ bool drop_bcn_ap_mode;
};
/* Extract MVM priv from op_mode and _hw */
@@ -934,8 +986,9 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
{
- return fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
+ /* Make sure DQA isn't allowed in driver until feature is complete */
+ return false && fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
}
static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
@@ -1005,10 +1058,40 @@ static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
IWL_MVM_BT_COEX_MPLUT;
}
+static inline
+bool iwl_mvm_is_p2p_standalone_uapsd_supported(struct iwl_mvm *mvm)
+{
+ return fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD) &&
+ IWL_MVM_P2P_UAPSD_STANDALONE;
+}
+
static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
{
- /* firmware flag isn't defined yet */
+ return fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
+}
+
+static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
+{
+#ifdef CONFIG_THERMAL
+ /* these two TLV are redundant since the responsibility to CT-kill by
+ * FW happens only after we send at least one command of
+ * temperature THs report.
+ */
+ return fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
+ fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
+#else /* CONFIG_THERMAL */
return false;
+#endif /* CONFIG_THERMAL */
+}
+
+static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
+{
+ return fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
}
extern const u8 iwl_mvm_ac_to_tx_fifo[];
@@ -1143,6 +1226,10 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb, int queue);
void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb, int queue);
+int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
+ const u8 *data, u32 count);
+void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
+ int queue);
void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
@@ -1184,6 +1271,12 @@ void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
+void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
+void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
+void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
struct ieee80211_vif *vif);
unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
@@ -1420,8 +1513,9 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
* binding, so this has no real impact. For now, just return
* the current desired low-latency state.
*/
-
- return mvmvif->low_latency;
+ return mvmvif->low_latency_dbgfs ||
+ mvmvif->low_latency_traffic ||
+ mvmvif->low_latency_vcmd;
}
/* hw scheduler queue config */
@@ -1459,32 +1553,29 @@ void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
}
-static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
- int mac80211_queue, int fifo,
- int sta_id, int tid, int frame_limit,
- u16 ssn, unsigned int wdg_timeout)
+static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
{
- struct iwl_trans_txq_scd_cfg cfg = {
- .fifo = fifo,
- .sta_id = sta_id,
- .tid = tid,
- .frame_limit = frame_limit,
- .aggregate = true,
- };
-
- iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
+ mvm->ucode_loaded = false;
+ iwl_trans_stop_device(mvm->trans);
}
+/* Stop/start all mac queues in a given bitmap */
+void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
+void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
+
/* Thermal management and CT-kill */
void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
-void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
-void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
+void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
+void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
-int iwl_mvm_get_temp(struct iwl_mvm *mvm);
+int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
+void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
+int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
+int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
/* Location Aware Regulatory */
struct iwl_mcc_update_resp *
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index a891598c8..9a8cf2f41 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -300,7 +300,6 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
struct iwl_nvm_section *sections = mvm->nvm_sections;
const __le16 *hw, *sw, *calib, *regulatory, *mac_override, *phy_sku;
bool lar_enabled;
- u32 mac_addr0, mac_addr1;
/* Checking for required sections */
if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
@@ -336,10 +335,6 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
if (WARN_ON(!mvm->cfg))
return NULL;
- /* read the mac address from WFMP registers */
- mac_addr0 = iwl_trans_read_prph(mvm->trans, WFMP_MAC_ADDR_0);
- mac_addr1 = iwl_trans_read_prph(mvm->trans, WFMP_MAC_ADDR_1);
-
hw = (const __le16 *)sections[mvm->cfg->nvm_hw_section_num].data;
sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
@@ -352,10 +347,10 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
- return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib,
+ return iwl_parse_nvm_data(mvm->trans, mvm->cfg, hw, sw, calib,
regulatory, mac_override, phy_sku,
mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant,
- lar_enabled, mac_addr0, mac_addr1);
+ lar_enabled);
}
#define MAX_NVM_FILE_LEN 16384
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 89ea70dee..d27839909 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -33,6 +33,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -204,70 +205,107 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
}
+/**
+ * enum iwl_rx_handler_context context for Rx handler
+ * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
+ * which can't acquire mvm->mutex.
+ * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
+ * (and only in this case!), it should be set as ASYNC. In that case,
+ * it will be called from a worker with mvm->mutex held.
+ * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
+ * mutex itself, it will be called from a worker without mvm->mutex held.
+ */
+enum iwl_rx_handler_context {
+ RX_HANDLER_SYNC,
+ RX_HANDLER_ASYNC_LOCKED,
+ RX_HANDLER_ASYNC_UNLOCKED,
+};
+
+/**
+ * struct iwl_rx_handlers handler for FW notification
+ * @cmd_id: command id
+ * @context: see &iwl_rx_handler_context
+ * @fn: the function is called when notification is received
+ */
struct iwl_rx_handlers {
u16 cmd_id;
- bool async;
+ enum iwl_rx_handler_context context;
void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
};
-#define RX_HANDLER(_cmd_id, _fn, _async) \
- { .cmd_id = _cmd_id , .fn = _fn , .async = _async }
-#define RX_HANDLER_GRP(_grp, _cmd, _fn, _async) \
- { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async }
+#define RX_HANDLER(_cmd_id, _fn, _context) \
+ { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
+#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
+ { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
/*
* Handlers for fw notifications
* Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
* This list should be in order of frequency for performance purposes.
*
- * The handler can be SYNC - this means that it will be called in the Rx path
- * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and
- * only in this case!), it should be set as ASYNC. In that case, it will be
- * called from a worker with mvm->mutex held.
+ * The handler can be one from three contexts, see &iwl_rx_handler_context
*/
static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
- RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
- RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
-
- RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true),
- RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true),
- RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true),
+ RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
+ RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
+
+ RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
+ RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
+ RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
+ RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION,
- iwl_mvm_rx_ant_coupling_notif, true),
+ iwl_mvm_rx_ant_coupling_notif, RX_HANDLER_ASYNC_LOCKED),
+
+ RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
+ iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
- RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false),
- RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, true),
+ RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
+ RX_HANDLER_SYNC),
+ RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
+ RX_HANDLER_ASYNC_LOCKED),
- RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false),
+ RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
RX_HANDLER(SCAN_ITERATION_COMPLETE,
- iwl_mvm_rx_lmac_scan_iter_complete_notif, false),
+ iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
- iwl_mvm_rx_lmac_scan_complete_notif, true),
+ iwl_mvm_rx_lmac_scan_complete_notif,
+ RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
- false),
+ RX_HANDLER_SYNC),
RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
- true),
+ RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
- iwl_mvm_rx_umac_scan_iter_complete_notif, false),
+ iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
- RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false),
+ RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
+ RX_HANDLER_SYNC),
RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
- false),
+ RX_HANDLER_SYNC),
- RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false),
+ RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
- iwl_mvm_power_uapsd_misbehaving_ap_notif, false),
- RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true),
+ iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
+ RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
+ RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
- iwl_mvm_temp_notif, true),
+ iwl_mvm_temp_notif, RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
+ iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
- true),
- RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false),
- RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true),
-
+ RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
+ RX_HANDLER_SYNC),
+ RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler,
+ RX_HANDLER_ASYNC_LOCKED),
+ RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
+ iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
+ RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
+ iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
};
#undef RX_HANDLER
#undef RX_HANDLER_GRP
@@ -289,6 +327,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
HCMD_NAME(SCAN_COMPLETE_UMAC),
HCMD_NAME(TOF_CMD),
HCMD_NAME(TOF_NOTIFICATION),
+ HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
HCMD_NAME(ADD_STA_KEY),
HCMD_NAME(ADD_STA),
HCMD_NAME(REMOVE_STA),
@@ -344,6 +383,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
HCMD_NAME(MAC_PM_POWER_TABLE),
HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
HCMD_NAME(MFUART_LOAD_NOTIFICATION),
+ HCMD_NAME(RSS_CONFIG_CMD),
HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
HCMD_NAME(REPLY_RX_PHY_CMD),
HCMD_NAME(REPLY_RX_MPDU_CMD),
@@ -383,16 +423,37 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
*/
static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
+ HCMD_NAME(CTDP_CONFIG_CMD),
+ HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
+ HCMD_NAME(CT_KILL_NOTIFICATION),
HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
};
+/* Please keep this array *SORTED* by hex value.
+ * Access is done through binary search
+ */
+static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
+ HCMD_NAME(UPDATE_MU_GROUPS_CMD),
+ HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
+ HCMD_NAME(MU_GROUP_MGMT_NOTIF),
+ HCMD_NAME(RX_QUEUES_NOTIFICATION),
+};
+
+/* Please keep this array *SORTED* by hex value.
+ * Access is done through binary search
+ */
+static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
+ HCMD_NAME(STORED_BEACON_NTF),
+};
+
static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
[LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
[LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
[PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
+ [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
+ [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
};
-
/* this forward declaration can avoid to export the function */
static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
@@ -463,8 +524,11 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (iwl_mvm_has_new_rx_api(mvm)) {
op_mode->ops = &iwl_mvm_ops_mq;
+ trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_desc);
} else {
op_mode->ops = &iwl_mvm_ops;
+ trans->rx_mpdu_cmd_hdr_size =
+ sizeof(struct iwl_rx_mpdu_res_start);
if (WARN_ON(trans->num_rx_queues > 1))
goto out_free;
@@ -481,6 +545,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
}
mvm->sf_state = SF_UNINIT;
mvm->cur_ucode = IWL_UCODE_INIT;
+ mvm->drop_bcn_ap_mode = true;
mutex_init(&mvm->mutex);
mutex_init(&mvm->d0i3_suspend_mutex);
@@ -555,7 +620,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
iwl_trans_configure(mvm->trans, &trans_cfg);
trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
- trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv;
trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
@@ -575,9 +639,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
mvm->cfg->name, mvm->trans->hw_rev);
- min_backoff = calc_min_backoff(trans, cfg);
- iwl_mvm_tt_initialize(mvm, min_backoff);
-
if (iwlwifi_mod_params.nvm_file)
mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
else
@@ -607,7 +668,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
err = iwl_run_init_mvm_ucode(mvm, true);
if (!err || !iwlmvm_mod_params.init_dbg)
- iwl_trans_stop_device(trans);
+ iwl_mvm_stop_device(mvm);
iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
mutex_unlock(&mvm->mutex);
/* returns 0 if successful, 1 if success but in rfkill */
@@ -630,22 +691,31 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (err)
goto out_free;
+ min_backoff = calc_min_backoff(trans, cfg);
+ iwl_mvm_thermal_initialize(mvm, min_backoff);
+
err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
if (err)
goto out_unregister;
memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
- /* rpm starts with a taken reference, we can release it now */
- iwl_trans_unref(mvm->trans);
+ /* The transport always starts with a taken reference, we can
+ * release it now if d0i3 is supported */
+ if (iwl_mvm_is_d0i3_supported(mvm))
+ iwl_trans_unref(mvm->trans);
iwl_mvm_tof_init(mvm);
+ /* init RSS hash key */
+ get_random_bytes(mvm->secret_key, sizeof(mvm->secret_key));
+
return op_mode;
out_unregister:
ieee80211_unregister_hw(mvm->hw);
iwl_mvm_leds_exit(mvm);
+ iwl_mvm_thermal_exit(mvm);
out_free:
flush_delayed_work(&mvm->fw_dump_wk);
iwl_phy_db_free(mvm->phy_db);
@@ -661,9 +731,16 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
int i;
+ /* If d0i3 is supported, we have released the reference that
+ * the transport started with, so we should take it back now
+ * that we are leaving.
+ */
+ if (iwl_mvm_is_d0i3_supported(mvm))
+ iwl_trans_ref(mvm->trans);
+
iwl_mvm_leds_exit(mvm);
- iwl_mvm_tt_exit(mvm);
+ iwl_mvm_thermal_exit(mvm);
ieee80211_unregister_hw(mvm->hw);
@@ -692,6 +769,7 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
struct iwl_async_handler_entry {
struct list_head list;
struct iwl_rx_cmd_buffer rxb;
+ enum iwl_rx_handler_context context;
void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
};
@@ -718,7 +796,6 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
INIT_LIST_HEAD(&local_list);
/* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
- mutex_lock(&mvm->mutex);
/*
* Sync with Rx path with a lock. Remove all the entries from this list,
@@ -729,12 +806,15 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
spin_unlock_bh(&mvm->async_handlers_lock);
list_for_each_entry_safe(entry, tmp, &local_list, list) {
+ if (entry->context == RX_HANDLER_ASYNC_LOCKED)
+ mutex_lock(&mvm->mutex);
entry->fn(mvm, &entry->rxb);
iwl_free_rxb(&entry->rxb);
list_del(&entry->list);
+ if (entry->context == RX_HANDLER_ASYNC_LOCKED)
+ mutex_unlock(&mvm->mutex);
kfree(entry);
}
- mutex_unlock(&mvm->mutex);
}
static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
@@ -791,7 +871,7 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
continue;
- if (!rx_h->async) {
+ if (rx_h->context == RX_HANDLER_SYNC) {
rx_h->fn(mvm, rxb);
return;
}
@@ -805,6 +885,7 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
entry->rxb._offset = rxb->_offset;
entry->rxb._rx_page_order = rxb->_rx_page_order;
entry->fn = rx_h->fn;
+ entry->context = rx_h->context;
spin_lock(&mvm->async_handlers_lock);
list_add_tail(&entry->list, &mvm->async_handlers_list);
spin_unlock(&mvm->async_handlers_lock);
@@ -841,28 +922,24 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD)
iwl_mvm_rx_phy_cmd_mq(mvm, rxb);
+ else if (unlikely(pkt->hdr.group_id == DATA_PATH_GROUP &&
+ pkt->hdr.cmd == RX_QUEUES_NOTIFICATION))
+ iwl_mvm_rx_queue_notif(mvm, rxb, 0);
else
iwl_mvm_rx_common(mvm, rxb, pkt);
}
-static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
+void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
{
- struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
- unsigned long mq;
int q;
- spin_lock_bh(&mvm->queue_info_lock);
- mq = mvm->queue_info[queue].hw_queue_to_mac80211;
- spin_unlock_bh(&mvm->queue_info_lock);
-
if (WARN_ON_ONCE(!mq))
return;
for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) {
IWL_DEBUG_TX_QUEUES(mvm,
- "queue %d (mac80211 %d) already stopped\n",
- queue, q);
+ "mac80211 %d already stopped\n", q);
continue;
}
@@ -882,24 +959,29 @@ static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
iwl_trans_block_txq_ptrs(mvm->trans, false);
}
-static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
+static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
unsigned long mq;
- int q;
spin_lock_bh(&mvm->queue_info_lock);
- mq = mvm->queue_info[queue].hw_queue_to_mac80211;
+ mq = mvm->queue_info[hw_queue].hw_queue_to_mac80211;
spin_unlock_bh(&mvm->queue_info_lock);
+ iwl_mvm_stop_mac_queues(mvm, mq);
+}
+
+void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq)
+{
+ int q;
+
if (WARN_ON_ONCE(!mq))
return;
for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) {
IWL_DEBUG_TX_QUEUES(mvm,
- "queue %d (mac80211 %d) still stopped\n",
- queue, q);
+ "mac80211 %d still stopped\n", q);
continue;
}
@@ -907,6 +989,18 @@ static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
}
}
+static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
+{
+ struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
+ unsigned long mq;
+
+ spin_lock_bh(&mvm->queue_info_lock);
+ mq = mvm->queue_info[hw_queue].hw_queue_to_mac80211;
+ spin_unlock_bh(&mvm->queue_info_lock);
+
+ iwl_mvm_start_mac_queues(mvm, mq);
+}
+
void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
{
if (state)
@@ -1196,7 +1290,7 @@ static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
cmd->offloading_tid = iter_data->offloading_tid;
cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING |
- ENABLE_DHCP_FILTERING;
+ ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON;
/*
* The d0i3 uCode takes care of the nonqos counters,
* so configure only the qos seq ones.
@@ -1217,8 +1311,7 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
struct iwl_wowlan_config_cmd wowlan_config_cmd = {
.wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
IWL_WOWLAN_WAKEUP_BEACON_MISS |
- IWL_WOWLAN_WAKEUP_LINK_CHANGE |
- IWL_WOWLAN_WAKEUP_BCN_FILTERING),
+ IWL_WOWLAN_WAKEUP_LINK_CHANGE),
};
struct iwl_d3_manager_config d3_cfg_cmd = {
.min_sleep_time = cpu_to_le32(1000),
@@ -1268,6 +1361,12 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
/* configure wowlan configuration only if needed */
if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) {
+ /* wake on beacons only if beacon storing isn't supported */
+ if (!fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_BEACON_STORING))
+ wowlan_config_cmd.wakeup_filter |=
+ cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING);
+
iwl_mvm_wowlan_config_key_params(mvm,
d0i3_iter_data.connected_vif,
true, flags);
@@ -1508,6 +1607,9 @@ static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
if (unlikely(pkt->hdr.cmd == FRAME_RELEASE))
iwl_mvm_rx_frame_release(mvm, rxb, queue);
+ else if (unlikely(pkt->hdr.cmd == RX_QUEUES_NOTIFICATION &&
+ pkt->hdr.group_id == DATA_PATH_GROUP))
+ iwl_mvm_rx_queue_notif(mvm, rxb, queue);
else
iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c
index 9de159f1e..f313910cd 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c
@@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* 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
@@ -34,7 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -259,6 +259,26 @@ static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
}
+static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ bool *is_p2p_standalone = _data;
+
+ switch (ieee80211_vif_type_p2p(vif)) {
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_AP:
+ *is_p2p_standalone = false;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (vif->bss_conf.assoc)
+ *is_p2p_standalone = false;
+ break;
+
+ default:
+ break;
+ }
+}
+
static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
@@ -268,9 +288,6 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
ETH_ALEN))
return false;
- if (vif->p2p &&
- !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
- return false;
/*
* Avoid using uAPSD if P2P client is associated to GO that uses
* opportunistic power save. This is due to current FW limitation.
@@ -287,6 +304,22 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
if (iwl_mvm_phy_ctx_count(mvm) >= 2)
return false;
+ if (vif->p2p) {
+ /* Allow U-APSD only if p2p is stand alone */
+ bool is_p2p_standalone = true;
+
+ if (!iwl_mvm_is_p2p_standalone_uapsd_supported(mvm))
+ return false;
+
+ ieee80211_iterate_active_interfaces_atomic(mvm->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_p2p_standalone_iterator,
+ &is_p2p_standalone);
+
+ if (!is_p2p_standalone)
+ return false;
+ }
+
return true;
}
@@ -544,7 +577,6 @@ void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
struct iwl_power_vifs {
struct iwl_mvm *mvm;
- struct ieee80211_vif *bf_vif;
struct ieee80211_vif *bss_vif;
struct ieee80211_vif *p2p_vif;
struct ieee80211_vif *ap_vif;
@@ -617,11 +649,6 @@ static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
if (mvmvif->phy_ctxt)
if (mvmvif->phy_ctxt->id < MAX_PHYS)
power_iterator->bss_active = true;
-
- if (mvmvif->bf_data.bf_enabled &&
- !WARN_ON(power_iterator->bf_vif))
- power_iterator->bf_vif = vif;
-
break;
default:
@@ -850,29 +877,9 @@ int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
}
-static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- bool enable)
-{
- struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_beacon_filter_cmd cmd = {
- IWL_BF_CMD_CONFIG_DEFAULTS,
- .bf_enable_beacon_filter = cpu_to_le32(1),
- };
-
- if (!mvmvif->bf_data.bf_enabled)
- return 0;
-
- if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
- cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
-
- mvmvif->bf_data.ba_enabled = enable;
- return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
-}
-
-int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif,
- u32 flags)
+static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ u32 flags, bool d0i3)
{
struct iwl_beacon_filter_cmd cmd = {};
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
@@ -883,12 +890,20 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
- if (!ret)
+ /* don't change bf_enabled in case of temporary d0i3 configuration */
+ if (!ret && !d0i3)
mvmvif->bf_data.bf_enabled = false;
return ret;
}
+int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ u32 flags)
+{
+ return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false);
+}
+
static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
{
bool disable_ps;
@@ -918,21 +933,26 @@ static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
}
static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
- struct iwl_power_vifs *vifs)
+ struct ieee80211_vif *vif)
{
- struct iwl_mvm_vif *mvmvif;
- bool ba_enable;
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_beacon_filter_cmd cmd = {
+ IWL_BF_CMD_CONFIG_DEFAULTS,
+ .bf_enable_beacon_filter = cpu_to_le32(1),
+ };
- if (!vifs->bf_vif)
+ if (!mvmvif->bf_data.bf_enabled)
return 0;
- mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
+ if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
+ cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
- ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
- !vifs->bf_vif->bss_conf.ps ||
- iwl_mvm_vif_low_latency(mvmvif));
+ mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
+ mvm->ps_disabled ||
+ !vif->bss_conf.ps ||
+ iwl_mvm_vif_low_latency(mvmvif));
- return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
+ return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
}
int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
@@ -953,7 +973,10 @@ int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
if (ret)
return ret;
- return iwl_mvm_power_set_ba(mvm, &vifs);
+ if (vifs.bss_vif)
+ return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
+
+ return 0;
}
int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
@@ -988,7 +1011,10 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
return ret;
}
- return iwl_mvm_power_set_ba(mvm, &vifs);
+ if (vifs.bss_vif)
+ return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
+
+ return 0;
}
int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
@@ -1025,8 +1051,17 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
IWL_BF_CMD_CONFIG_D0I3,
.bf_enable_beacon_filter = cpu_to_le32(1),
};
- ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
- flags, true);
+ /*
+ * When beacon storing is supported - disable beacon filtering
+ * altogether - the latest beacon will be sent when exiting d0i3
+ */
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_BEACON_STORING))
+ ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags,
+ true);
+ else
+ ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
+ flags, true);
} else {
if (mvmvif->bf_data.bf_enabled)
ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
index 0b762b4f8..2141db5bf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -74,6 +76,9 @@ struct iwl_mvm_quota_iterator_data {
int n_interfaces[MAX_BINDINGS];
int colors[MAX_BINDINGS];
int low_latency[MAX_BINDINGS];
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ int dbgfs_min[MAX_BINDINGS];
+#endif
int n_low_latency_bindings;
struct ieee80211_vif *disabled_vif;
};
@@ -129,6 +134,12 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac,
data->n_interfaces[id]++;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (mvmvif->dbgfs_quota_min)
+ data->dbgfs_min[id] = max(data->dbgfs_min[id],
+ mvmvif->dbgfs_quota_min);
+#endif
+
if (iwl_mvm_vif_low_latency(mvmvif) && !data->low_latency[id]) {
data->n_low_latency_bindings++;
data->low_latency[id] = true;
@@ -259,6 +270,11 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
if (data.n_interfaces[i] <= 0)
cmd.quotas[idx].quota = cpu_to_le32(0);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ else if (data.dbgfs_min[i])
+ cmd.quotas[idx].quota =
+ cpu_to_le32(data.dbgfs_min[i] * QUOTA_100 / 100);
+#endif
else if (data.n_low_latency_bindings == 1 && n_non_lowlat &&
data.low_latency[i])
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 94caa88df..61d0a8cd1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -556,6 +556,7 @@ static char *rs_pretty_rate(const struct rs_rate *rate)
if (is_type_legacy(rate->type) && (rate->index <= IWL_RATE_54M_INDEX))
rate_str = legacy_rates[rate->index];
else if ((is_type_ht(rate->type) || is_type_vht(rate->type)) &&
+ (rate->index >= IWL_RATE_MCS_0_INDEX) &&
(rate->index <= IWL_RATE_MCS_9_INDEX))
rate_str = ht_vht_rates[rate->index];
else
@@ -1672,6 +1673,20 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
}
}
+static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ struct iwl_scale_tbl_info *tbl,
+ enum rs_action scale_action)
+{
+ struct iwl_mvm_sta *sta_priv = iwl_mvm_sta_from_mac80211(sta);
+
+ if ((!is_vht(&tbl->rate) && !is_ht(&tbl->rate)) ||
+ tbl->rate.index < IWL_RATE_MCS_5_INDEX ||
+ scale_action == RS_ACTION_DOWNSCALE)
+ sta_priv->tlc_amsdu = false;
+ else
+ sta_priv->tlc_amsdu = true;
+}
+
/*
* setup rate table in uCode
*/
@@ -2062,7 +2077,8 @@ static enum tpc_action rs_get_tpc_action(struct iwl_mvm *mvm,
}
/* try decreasing first if applicable */
- if (weak != TPC_INVALID) {
+ if (sr >= RS_PERCENT(IWL_MVM_RS_TPC_SR_NO_INCREASE) &&
+ weak != TPC_INVALID) {
if (weak_tpt == IWL_INVALID_VALUE &&
(strong_tpt == IWL_INVALID_VALUE ||
current_tpt >= strong_tpt)) {
@@ -2414,6 +2430,7 @@ lq_update:
tbl->rate.index = index;
if (IWL_MVM_RS_80_20_FAR_RANGE_TWEAK)
rs_tweak_rate_tbl(mvm, sta, lq_sta, tbl, scale_action);
+ rs_set_amsdu_len(mvm, sta, tbl, scale_action);
rs_update_rate_tbl(mvm, sta, lq_sta, tbl);
}
@@ -3097,6 +3114,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
sband = hw->wiphy->bands[band];
lq_sta->lq.sta_id = sta_priv->sta_id;
+ sta_priv->tlc_amsdu = false;
for (j = 0; j < LQ_SIZE; j++)
rs_rate_scale_clear_tbl_windows(mvm, &lq_sta->lq_info[j]);
@@ -3656,10 +3674,13 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
ssize_t ret;
struct iwl_lq_sta *lq_sta = file->private_data;
+ struct iwl_mvm_sta *mvmsta =
+ container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
struct iwl_mvm *mvm;
struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
struct rs_rate *rate = &tbl->rate;
u32 ss_params;
+
mvm = lq_sta->pers.drv;
buff = kmalloc(2048, GFP_KERNEL);
if (!buff)
@@ -3685,10 +3706,11 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
(is_ht20(rate)) ? "20MHz" :
(is_ht40(rate)) ? "40MHz" :
(is_ht80(rate)) ? "80Mhz" : "BAD BW");
- desc += sprintf(buff + desc, " %s %s %s\n",
+ desc += sprintf(buff + desc, " %s %s %s %s\n",
(rate->sgi) ? "SGI" : "NGI",
(rate->ldpc) ? "LDPC" : "BCC",
- (lq_sta->is_agg) ? "AGG on" : "");
+ (lq_sta->is_agg) ? "AGG on" : "",
+ (mvmsta->tlc_amsdu) ? "AMSDU on" : "");
}
desc += sprintf(buff+desc, "last tx rate=0x%X\n",
lq_sta->last_rate_n_flags);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 145ec68ce..485cfc1a4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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
@@ -322,11 +323,9 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->freq =
ieee80211_channel_to_frequency(le16_to_cpu(phy_info->channel),
rx_status->band);
- /*
- * TSF as indicated by the fw is at INA time, but mac80211 expects the
- * TSF at the beginning of the MPDU.
- */
- /*rx_status->flag |= RX_FLAG_MACTIME_MPDU;*/
+
+ /* TSF as indicated by the firmware is at INA time */
+ rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
iwl_mvm_get_signal_strength(mvm, phy_info, rx_status);
@@ -448,6 +447,12 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
iwl_mvm_update_frame_stats(mvm, rate_n_flags,
rx_status->flag & RX_FLAG_AMPDU_DETAILS);
#endif
+
+ if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
+ ieee80211_is_probe_resp(hdr->frame_control)) &&
+ mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED))
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
+
iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, hdr, len, ampdu_status,
crypt_len, rxb);
}
@@ -622,3 +627,51 @@ void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
{
iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb));
}
+
+void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_ba_window_status_notif *notif = (void *)pkt->data;
+ int i;
+ u32 pkt_len = iwl_rx_packet_payload_len(pkt);
+
+ if (WARN_ONCE(pkt_len != sizeof(*notif),
+ "Received window status notification of wrong size (%u)\n",
+ pkt_len))
+ return;
+
+ rcu_read_lock();
+ for (i = 0; i < BA_WINDOW_STREAMS_MAX; i++) {
+ struct ieee80211_sta *sta;
+ u8 sta_id, tid;
+ u64 bitmap;
+ u32 ssn;
+ u16 ratid;
+ u16 received_mpdu;
+
+ ratid = le16_to_cpu(notif->ra_tid[i]);
+ /* check that this TID is valid */
+ if (!(ratid & BA_WINDOW_STATUS_VALID_MSK))
+ continue;
+
+ received_mpdu = le16_to_cpu(notif->mpdu_rx_count[i]);
+ if (received_mpdu == 0)
+ continue;
+
+ tid = ratid & BA_WINDOW_STATUS_TID_MSK;
+ /* get the station */
+ sta_id = (ratid & BA_WINDOW_STATUS_STA_ID_MSK)
+ >> BA_WINDOW_STATUS_STA_ID_POS;
+ sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
+ if (IS_ERR_OR_NULL(sta))
+ continue;
+ bitmap = le64_to_cpu(notif->bitmap[i]);
+ ssn = le32_to_cpu(notif->start_seq_num[i]);
+
+ /* update mac80211 with the bitmap for the reordering buffer */
+ ieee80211_mark_rx_ba_filtered_frames(sta, tid, ssn, bitmap,
+ received_mpdu);
+ }
+ rcu_read_unlock();
+}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 0c073e02f..9a54f2d2a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* 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
@@ -29,7 +29,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -156,7 +156,14 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
u16 len, u8 crypt_len,
struct iwl_rx_cmd_buffer *rxb)
{
- unsigned int hdrlen, fraglen;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
+ unsigned int headlen, fraglen, pad_len = 0;
+ unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
+
+ if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD)
+ pad_len = 2;
+ len -= pad_len;
/* If frame is small enough to fit in skb->head, pull it completely.
* If not, only pull ieee80211_hdr (including crypto if present, and
@@ -170,14 +177,23 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
* If the latter changes (there are efforts in the standards group
* to do so) we should revisit this and ieee80211_data_to_8023().
*/
- hdrlen = (len <= skb_tailroom(skb)) ? len :
- sizeof(*hdr) + crypt_len + 8;
+ headlen = (len <= skb_tailroom(skb)) ? len :
+ hdrlen + crypt_len + 8;
+ /* The firmware may align the packet to DWORD.
+ * The padding is inserted after the IV.
+ * After copying the header + IV skip the padding if
+ * present before copying packet data.
+ */
+ hdrlen += crypt_len;
memcpy(skb_put(skb, hdrlen), hdr, hdrlen);
- fraglen = len - hdrlen;
+ memcpy(skb_put(skb, headlen - hdrlen), (u8 *)hdr + hdrlen + pad_len,
+ headlen - hdrlen);
+
+ fraglen = len - headlen;
if (fraglen) {
- int offset = (void *)hdr + hdrlen -
+ int offset = (void *)hdr + headlen + pad_len -
rxb_addr(rxb) + rxb_offset(rxb);
skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
@@ -201,25 +217,22 @@ static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
struct iwl_rx_mpdu_desc *desc,
struct ieee80211_rx_status *rx_status)
{
- int energy_a, energy_b, energy_c, max_energy;
+ int energy_a, energy_b, max_energy;
energy_a = desc->energy_a;
energy_a = energy_a ? -energy_a : S8_MIN;
energy_b = desc->energy_b;
energy_b = energy_b ? -energy_b : S8_MIN;
- energy_c = desc->energy_c;
- energy_c = energy_c ? -energy_c : S8_MIN;
max_energy = max(energy_a, energy_b);
- max_energy = max(max_energy, energy_c);
- IWL_DEBUG_STATS(mvm, "energy In A %d B %d C %d , and max %d\n",
- energy_a, energy_b, energy_c, max_energy);
+ IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n",
+ energy_a, energy_b, max_energy);
rx_status->signal = max_energy;
rx_status->chains = 0; /* TODO: phy info */
rx_status->chain_signal[0] = energy_a;
rx_status->chain_signal[1] = energy_b;
- rx_status->chain_signal[2] = energy_c;
+ rx_status->chain_signal[2] = S8_MIN;
}
static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
@@ -288,13 +301,121 @@ static void iwl_mvm_rx_csum(struct ieee80211_sta *sta,
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
+/*
+ * returns true if a packet outside BA session is a duplicate and
+ * should be dropped
+ */
+static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_hdr *hdr,
+ struct iwl_rx_mpdu_desc *desc)
+{
+ struct iwl_mvm_sta *mvm_sta;
+ struct iwl_mvm_rxq_dup_data *dup_data;
+ u8 baid, tid, sub_frame_idx;
+
+ if (WARN_ON(IS_ERR_OR_NULL(sta)))
+ return false;
+
+ baid = (le32_to_cpu(desc->reorder_data) &
+ IWL_RX_MPDU_REORDER_BAID_MASK) >>
+ IWL_RX_MPDU_REORDER_BAID_SHIFT;
+
+ if (baid != IWL_RX_REORDER_DATA_INVALID_BAID)
+ return false;
+
+ mvm_sta = iwl_mvm_sta_from_mac80211(sta);
+ dup_data = &mvm_sta->dup_data[queue];
+
+ /*
+ * Drop duplicate 802.11 retransmissions
+ * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
+ */
+ if (ieee80211_is_ctl(hdr->frame_control) ||
+ ieee80211_is_qos_nullfunc(hdr->frame_control) ||
+ is_multicast_ether_addr(hdr->addr1)) {
+ rx_status->flag |= RX_FLAG_DUP_VALIDATED;
+ return false;
+ }
+
+ if (ieee80211_is_data_qos(hdr->frame_control))
+ /* frame has qos control */
+ tid = *ieee80211_get_qos_ctl(hdr) &
+ IEEE80211_QOS_CTL_TID_MASK;
+ else
+ tid = IWL_MAX_TID_COUNT;
+
+ /* If this wasn't a part of an A-MSDU the sub-frame index will be 0 */
+ sub_frame_idx = desc->amsdu_info & IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK;
+
+ if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
+ dup_data->last_seq[tid] == hdr->seq_ctrl &&
+ dup_data->last_sub_frame[tid] >= sub_frame_idx))
+ return true;
+
+ dup_data->last_seq[tid] = hdr->seq_ctrl;
+ dup_data->last_sub_frame[tid] = sub_frame_idx;
+
+ rx_status->flag |= RX_FLAG_DUP_VALIDATED;
+
+ return false;
+}
+
+int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
+ const u8 *data, u32 count)
+{
+ struct iwl_rxq_sync_cmd *cmd;
+ u32 data_size = sizeof(*cmd) + count;
+ int ret;
+
+ /* should be DWORD aligned */
+ if (WARN_ON(count & 3 || count > IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE))
+ return -EINVAL;
+
+ cmd = kzalloc(data_size, GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->rxq_mask = cpu_to_le32(rxq_mask);
+ cmd->count = cpu_to_le32(count);
+ cmd->flags = 0;
+ memcpy(cmd->payload, data, count);
+
+ ret = iwl_mvm_send_cmd_pdu(mvm,
+ WIDE_ID(DATA_PATH_GROUP,
+ TRIGGER_RX_QUEUES_NOTIF_CMD),
+ 0, data_size, cmd);
+
+ kfree(cmd);
+ return ret;
+}
+
+void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
+ int queue)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_rxq_sync_notification *notif;
+ struct iwl_mvm_internal_rxq_notif *internal_notif;
+
+ notif = (void *)pkt->data;
+ internal_notif = (void *)notif->payload;
+
+ switch (internal_notif->type) {
+ case IWL_MVM_RXQ_NOTIF_DEL_BA:
+ /* TODO */
+ break;
+ default:
+ WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
+ }
+}
+
void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb, int queue)
{
struct ieee80211_rx_status *rx_status;
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
- struct ieee80211_hdr *hdr = (void *)(desc + 1);
+ struct ieee80211_hdr *hdr = (void *)(pkt->data + sizeof(*desc));
u32 len = le16_to_cpu(desc->mpdu_len);
u32 rate_n_flags = le32_to_cpu(desc->rate_n_flags);
struct ieee80211_sta *sta = NULL;
@@ -335,6 +456,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->freq = ieee80211_channel_to_frequency(desc->channel,
rx_status->band);
iwl_mvm_get_signal_strength(mvm, desc, rx_status);
+ /* TSF as indicated by the firmware is at INA time */
+ rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
rcu_read_lock();
@@ -390,6 +513,24 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
if (ieee80211_is_data(hdr->frame_control))
iwl_mvm_rx_csum(sta, skb, desc);
+
+ if (iwl_mvm_is_nonagg_dup(sta, queue, rx_status, hdr, desc)) {
+ kfree_skb(skb);
+ rcu_read_unlock();
+ return;
+ }
+
+ /*
+ * Our hardware de-aggregates AMSDUs but copies the mac header
+ * as it to the de-aggregated MPDUs. We need to turn off the
+ * AMSDU bit in the QoS control ourselves.
+ */
+ if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
+ !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
+
+ *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
+ }
}
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index ea1e177c2..09eb72c4a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -297,6 +299,12 @@ void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_dump_channel_list(notif->results,
notif->scanned_channels, buf,
sizeof(buf)));
+
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) {
+ IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n");
+ ieee80211_sched_scan_results(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
+ }
}
void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
@@ -380,6 +388,7 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
mvm->scan_status &= ~IWL_MVM_SCAN_SCHED;
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
} else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) {
IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n",
aborted ? "aborted" : "completed",
@@ -533,10 +542,13 @@ static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm,
IWL_DEBUG_SCAN(mvm,
"Sending scheduled scan with filtering, n_match_sets %d\n",
req->n_match_sets);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
return false;
}
IWL_DEBUG_SCAN(mvm, "Sending Scheduled scan without filtering\n");
+
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
return true;
}
@@ -788,6 +800,9 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm,
flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
#endif
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)
+ flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
+
if (iwl_mvm_is_regular_scan(params) &&
vif->type != NL80211_IFTYPE_P2P_DEVICE &&
params->type != IWL_SCAN_TYPE_FRAGMENTED)
@@ -930,8 +945,11 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm)
if (WARN_ON(num_channels > mvm->fw->ucode_capa.n_scan_channels))
return -ENOBUFS;
- if (type == mvm->scan_type)
+ if (type == mvm->scan_type) {
+ IWL_DEBUG_SCAN(mvm,
+ "Ignoring UMAC scan config of the same type\n");
return 0;
+ }
cmd_size = sizeof(*scan_config) + mvm->fw->ucode_capa.n_scan_channels;
@@ -1071,6 +1089,9 @@ static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
#endif
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)
+ flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
+
if (iwl_mvm_is_regular_scan(params) &&
vif->type != NL80211_IFTYPE_P2P_DEVICE &&
params->type != IWL_SCAN_TYPE_FRAGMENTED)
@@ -1109,7 +1130,7 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params,
vif));
- if (type == IWL_MVM_SCAN_SCHED)
+ if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT)
cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE);
if (iwl_mvm_scan_use_ebs(mvm, vif))
@@ -1298,10 +1319,6 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
return -EBUSY;
}
- /* we don't support "match all" in the firmware */
- if (!req->n_match_sets)
- return -EOPNOTSUPP;
-
ret = iwl_mvm_check_running_scans(mvm, type);
if (ret)
return ret;
@@ -1355,7 +1372,7 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0);
- ret = iwl_mvm_scan_umac(mvm, vif, &params, IWL_MVM_SCAN_SCHED);
+ ret = iwl_mvm_scan_umac(mvm, vif, &params, type);
} else {
hcmd.id = SCAN_OFFLOAD_REQUEST_CMD;
ret = iwl_mvm_scan_lmac(mvm, vif, &params);
@@ -1397,6 +1414,7 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
} else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
}
mvm->scan_status &= ~mvm->scan_uid_status[uid];
@@ -1431,6 +1449,12 @@ void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_dump_channel_list(notif->results,
notif->scanned_channels, buf,
sizeof(buf)));
+
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) {
+ IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n");
+ ieee80211_sched_scan_results(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
+ }
}
static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type)
@@ -1525,6 +1549,7 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED);
if (uid >= 0 && !mvm->restart_fw) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
mvm->scan_uid_status[uid] = 0;
}
@@ -1546,8 +1571,11 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
* restart_hw, so do not report if FW is about to be
* restarted.
*/
- if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) && !mvm->restart_fw)
+ if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) &&
+ !mvm->restart_fw) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
+ }
}
}
@@ -1583,6 +1611,7 @@ out:
ieee80211_scan_completed(mvm->hw, true);
} else if (notify) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
}
return ret;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index b556e3365..ef99942d7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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) 2012 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -68,6 +70,18 @@
#include "sta.h"
#include "rs.h"
+/*
+ * New version of ADD_STA_sta command added new fields at the end of the
+ * structure, so sending the size of the relevant API's structure is enough to
+ * support both API versions.
+ */
+static inline int iwl_mvm_add_sta_cmd_size(struct iwl_mvm *mvm)
+{
+ return iwl_mvm_has_new_rx_api(mvm) ?
+ sizeof(struct iwl_mvm_add_sta_cmd) :
+ sizeof(struct iwl_mvm_add_sta_cmd_v7);
+}
+
static int iwl_mvm_find_free_sta_id(struct iwl_mvm *mvm,
enum nl80211_iftype iftype)
{
@@ -187,12 +201,13 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
cpu_to_le32(mpdu_dens << STA_FLG_AGG_MPDU_DENS_SHIFT);
status = ADD_STA_SUCCESS;
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(add_sta_cmd),
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
+ iwl_mvm_add_sta_cmd_size(mvm),
&add_sta_cmd, &status);
if (ret)
return ret;
- switch (status) {
+ switch (status & IWL_ADD_STA_STATUS_MASK) {
case ADD_STA_SUCCESS:
IWL_DEBUG_ASSOC(mvm, "ADD_STA PASSED\n");
break;
@@ -265,6 +280,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
+ struct iwl_mvm_rxq_dup_data *dup_data;
int i, ret, sta_id;
lockdep_assert_held(&mvm->mutex);
@@ -312,6 +328,16 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
}
mvm_sta->agg_tids = 0;
+ if (iwl_mvm_has_new_rx_api(mvm) &&
+ !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ dup_data = kcalloc(mvm->trans->num_rx_queues,
+ sizeof(*dup_data),
+ GFP_KERNEL);
+ if (!dup_data)
+ return -ENOMEM;
+ mvm_sta->dup_data = dup_data;
+ }
+
ret = iwl_mvm_sta_send_to_fw(mvm, sta, false);
if (ret)
goto err;
@@ -357,12 +383,13 @@ int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
cmd.station_flags_msk = cpu_to_le32(STA_FLG_DRAIN_FLOW);
status = ADD_STA_SUCCESS;
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd),
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
+ iwl_mvm_add_sta_cmd_size(mvm),
&cmd, &status);
if (ret)
return ret;
- switch (status) {
+ switch (status & IWL_ADD_STA_STATUS_MASK) {
case ADD_STA_SUCCESS:
IWL_DEBUG_INFO(mvm, "Frames for staid %d will drained in fw\n",
mvmsta->sta_id);
@@ -492,6 +519,9 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
+ if (iwl_mvm_has_new_rx_api(mvm))
+ kfree(mvm_sta->dup_data);
+
if (vif->type == NL80211_IFTYPE_STATION &&
mvmvif->ap_sta_id == mvm_sta->sta_id) {
ret = iwl_mvm_drain_sta(mvm, mvm_sta, true);
@@ -623,12 +653,13 @@ static int iwl_mvm_add_int_sta_common(struct iwl_mvm *mvm,
if (addr)
memcpy(cmd.addr, addr, ETH_ALEN);
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd),
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
+ iwl_mvm_add_sta_cmd_size(mvm),
&cmd, &status);
if (ret)
return ret;
- switch (status) {
+ switch (status & IWL_ADD_STA_STATUS_MASK) {
case ADD_STA_SUCCESS:
IWL_DEBUG_INFO(mvm, "Internal station added.\n");
return 0;
@@ -819,7 +850,7 @@ int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
#define IWL_MAX_RX_BA_SESSIONS 16
int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- int tid, u16 ssn, bool start)
+ int tid, u16 ssn, bool start, u8 buf_size)
{
struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_add_sta_cmd cmd = {};
@@ -839,6 +870,7 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
if (start) {
cmd.add_immediate_ba_tid = (u8) tid;
cmd.add_immediate_ba_ssn = cpu_to_le16(ssn);
+ cmd.rx_ba_window = cpu_to_le16((u16)buf_size);
} else {
cmd.remove_immediate_ba_tid = (u8) tid;
}
@@ -846,12 +878,13 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
STA_MODIFY_REMOVE_BA_TID;
status = ADD_STA_SUCCESS;
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd),
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
+ iwl_mvm_add_sta_cmd_size(mvm),
&cmd, &status);
if (ret)
return ret;
- switch (status) {
+ switch (status & IWL_ADD_STA_STATUS_MASK) {
case ADD_STA_SUCCESS:
IWL_DEBUG_INFO(mvm, "RX BA Session %sed in fw\n",
start ? "start" : "stopp");
@@ -904,12 +937,13 @@ static int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
cmd.tid_disable_tx = cpu_to_le16(mvm_sta->tid_disable_agg);
status = ADD_STA_SUCCESS;
- ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd),
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA,
+ iwl_mvm_add_sta_cmd_size(mvm),
&cmd, &status);
if (ret)
return ret;
- switch (status) {
+ switch (status & IWL_ADD_STA_STATUS_MASK) {
case ADD_STA_SUCCESS:
break;
default:
@@ -1011,15 +1045,23 @@ release_locks:
}
int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta, u16 tid, u8 buf_size)
+ struct ieee80211_sta *sta, u16 tid, u8 buf_size,
+ bool amsdu)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
unsigned int wdg_timeout =
iwl_mvm_get_wd_timeout(mvm, vif, sta->tdls, false);
- int queue, fifo, ret;
+ int queue, ret;
u16 ssn;
+ struct iwl_trans_txq_scd_cfg cfg = {
+ .sta_id = mvmsta->sta_id,
+ .tid = tid,
+ .frame_limit = buf_size,
+ .aggregate = true,
+ };
+
BUILD_BUG_ON((sizeof(mvmsta->agg_tids) * BITS_PER_BYTE)
!= IWL_MAX_TID_COUNT);
@@ -1031,13 +1073,13 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
tid_data->state = IWL_AGG_ON;
mvmsta->agg_tids |= BIT(tid);
tid_data->ssn = 0xffff;
+ tid_data->amsdu_in_ampdu_allowed = amsdu;
spin_unlock_bh(&mvmsta->lock);
- fifo = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
+ cfg.fifo = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
- iwl_mvm_enable_agg_txq(mvm, queue,
- vif->hw_queue[tid_to_mac80211_ac[tid]], fifo,
- mvmsta->sta_id, tid, buf_size, ssn, wdg_timeout);
+ iwl_mvm_enable_txq(mvm, queue, vif->hw_queue[tid_to_mac80211_ac[tid]],
+ ssn, &cfg, wdg_timeout);
ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true);
if (ret)
@@ -1640,7 +1682,8 @@ void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm,
};
int ret;
- ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC,
+ iwl_mvm_add_sta_cmd_size(mvm), &cmd);
if (ret)
IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret);
}
@@ -1731,7 +1774,7 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm,
ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA,
CMD_ASYNC | CMD_WANT_ASYNC_CALLBACK,
- sizeof(cmd), &cmd);
+ iwl_mvm_add_sta_cmd_size(mvm), &cmd);
if (ret)
IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret);
}
@@ -1766,7 +1809,8 @@ void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm,
};
int ret;
- ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd);
+ ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC,
+ iwl_mvm_add_sta_cmd_size(mvm), &cmd);
if (ret)
IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index 39fdf5224..1a8f69a41 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -258,8 +258,7 @@ enum iwl_mvm_agg_state {
* This is basically (last acked packet++).
* @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
* Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA).
- * @reduced_tpc: Reduced tx power. Holds the data between the
- * Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA).
+ * @amsdu_in_ampdu_allowed: true if A-MSDU in A-MPDU is allowed.
* @state: state of the BA agreement establishment / tear down.
* @txq_id: Tx queue used by the BA session
* @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
@@ -273,7 +272,7 @@ struct iwl_mvm_tid_data {
u16 next_reclaimed;
/* The rest is Tx AGG related */
u32 rate_n_flags;
- u8 reduced_tpc;
+ bool amsdu_in_ampdu_allowed;
enum iwl_mvm_agg_state state;
u16 txq_id;
u16 ssn;
@@ -294,6 +293,16 @@ struct iwl_mvm_key_pn {
};
/**
+ * struct iwl_mvm_rxq_dup_data - per station per rx queue data
+ * @last_seq: last sequence per tid for duplicate packet detection
+ * @last_sub_frame: last subframe packet
+ */
+struct iwl_mvm_rxq_dup_data {
+ __le16 last_seq[IWL_MAX_TID_COUNT + 1];
+ u8 last_sub_frame[IWL_MAX_TID_COUNT + 1];
+} ____cacheline_aligned_in_smp;
+
+/**
* struct iwl_mvm_sta - representation of a station in the driver
* @sta_id: the index of the station in the fw (will be replaced by id_n_color)
* @tfd_queue_msk: the tfd queues used by the station
@@ -311,6 +320,7 @@ struct iwl_mvm_key_pn {
* @tx_protection: reference counter for controlling the Tx protection.
* @tt_tx_protection: is thermal throttling enable Tx protection?
* @disable_tx: is tx to this STA disabled?
+ * @tlc_amsdu: true if A-MSDU is allowed
* @agg_tids: bitmap of tids whose status is operational aggregated (IWL_AGG_ON)
* @sleep_tx_count: the number of frames that we told the firmware to let out
* even when that station is asleep. This is useful in case the queue
@@ -318,6 +328,7 @@ struct iwl_mvm_key_pn {
* we are sending frames from an AMPDU queue and there was a hole in
* the BA window. To be used for UAPSD only.
* @ptk_pn: per-queue PTK PN data structures
+ * @dup_data: per queue duplicate packet detection data
*
* When mac80211 creates a station it reserves some space (hw->sta_data_size)
* in the structure for use by driver. This structure is placed in that
@@ -337,14 +348,15 @@ struct iwl_mvm_sta {
struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT];
struct iwl_lq_sta lq_sta;
struct ieee80211_vif *vif;
-
struct iwl_mvm_key_pn __rcu *ptk_pn[4];
+ struct iwl_mvm_rxq_dup_data *dup_data;
/* Temporary, until the new TLC will control the Tx protection */
s8 tx_protection;
bool tt_tx_protection;
bool disable_tx;
+ bool tlc_amsdu;
u8 agg_tids;
u8 sleep_tx_count;
};
@@ -401,11 +413,12 @@ void iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm,
/* AMPDU */
int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- int tid, u16 ssn, bool start);
+ int tid, u16 ssn, bool start, u8 buf_size);
int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta, u16 tid, u8 buf_size);
+ struct ieee80211_sta *sta, u16 tid, u8 buf_size,
+ bool amsdu);
int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid);
int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index 924dd6a41..2c12789e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -371,20 +371,13 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm,
iwl_mvm_te_check_trigger(mvm, notif, te_data);
- if (!le32_to_cpu(notif->status)) {
- IWL_DEBUG_TE(mvm,
- "ERROR: Aux ROC Time Event %s notification failure\n",
- (le32_to_cpu(notif->action) &
- TE_V2_NOTIF_HOST_EVENT_START) ? "start" : "end");
- return -EINVAL;
- }
-
IWL_DEBUG_TE(mvm,
- "Aux ROC time event notification - UID = 0x%x action %d\n",
+ "Aux ROC time event notification - UID = 0x%x action %d (error = %d)\n",
le32_to_cpu(notif->unique_id),
- le32_to_cpu(notif->action));
+ le32_to_cpu(notif->action), le32_to_cpu(notif->status));
- if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_END) {
+ if (!le32_to_cpu(notif->status) ||
+ le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_END) {
/* End TE, notify mac80211 */
ieee80211_remain_on_channel_expired(mvm->hw);
iwl_mvm_roc_finished(mvm); /* flush aux queue */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
index 99d9a35ad..3d2e8b615 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
@@ -115,7 +115,7 @@
* needed by the driver.
*/
-#define IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS 500
+#define IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS 600
#define IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS 400
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
index fb76004ee..f1f28255a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
*
* 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
@@ -33,7 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -64,6 +65,8 @@
*
*****************************************************************************/
+#include <linux/sort.h>
+
#include "mvm.h"
#define IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT HZ
@@ -79,8 +82,10 @@ static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)
IWL_ERR(mvm, "Enter CT Kill\n");
iwl_mvm_set_hw_ctkill_state(mvm, true);
- tt->throttle = false;
- tt->dynamic_smps = false;
+ if (!iwl_mvm_is_tt_in_fw(mvm)) {
+ tt->throttle = false;
+ tt->dynamic_smps = false;
+ }
/* Don't schedule an exit work if we're in test mode, since
* the temperature will not change unless we manually set it
@@ -116,18 +121,21 @@ void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)
static int iwl_mvm_temp_notif_parse(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
- struct iwl_dts_measurement_notif *notif;
+ struct iwl_dts_measurement_notif_v1 *notif_v1;
int len = iwl_rx_packet_payload_len(pkt);
int temp;
- if (WARN_ON_ONCE(len < sizeof(*notif))) {
+ /* we can use notif_v1 only, because v2 only adds an additional
+ * parameter, which is not used in this function.
+ */
+ if (WARN_ON_ONCE(len < sizeof(*notif_v1))) {
IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");
return -EINVAL;
}
- notif = (void *)pkt->data;
+ notif_v1 = (void *)pkt->data;
- temp = le32_to_cpu(notif->temp);
+ temp = le32_to_cpu(notif_v1->temp);
/* shouldn't be negative, but since it's s32, make sure it isn't */
if (WARN_ON_ONCE(temp < 0))
@@ -158,17 +166,78 @@ static bool iwl_mvm_temp_notif_wait(struct iwl_notif_wait_data *notif_wait,
void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_dts_measurement_notif_v2 *notif_v2;
+ int len = iwl_rx_packet_payload_len(pkt);
int temp;
+ u32 ths_crossed;
/* the notification is handled synchronously in ctkill, so skip here */
if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
return;
temp = iwl_mvm_temp_notif_parse(mvm, pkt);
- if (temp < 0)
+
+ if (!iwl_mvm_is_tt_in_fw(mvm)) {
+ if (temp >= 0)
+ iwl_mvm_tt_temp_changed(mvm, temp);
return;
+ }
+
+ if (WARN_ON_ONCE(len < sizeof(*notif_v2))) {
+ IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");
+ return;
+ }
+
+ notif_v2 = (void *)pkt->data;
+ ths_crossed = le32_to_cpu(notif_v2->threshold_idx);
- iwl_mvm_tt_temp_changed(mvm, temp);
+ /* 0xFF in ths_crossed means the notification is not related
+ * to a trip, so we can ignore it here.
+ */
+ if (ths_crossed == 0xFF)
+ return;
+
+ IWL_DEBUG_TEMP(mvm, "Temp = %d Threshold crossed = %d\n",
+ temp, ths_crossed);
+
+#ifdef CONFIG_THERMAL
+ if (WARN_ON(ths_crossed >= IWL_MAX_DTS_TRIPS))
+ return;
+
+ /*
+ * We are now handling a temperature notification from the firmware
+ * in ASYNC and hold the mutex. thermal_notify_framework will call
+ * us back through get_temp() which ought to send a SYNC command to
+ * the firmware and hence to take the mutex.
+ * Avoid the deadlock by unlocking the mutex here.
+ */
+ if (mvm->tz_device.tzone) {
+ struct iwl_mvm_thermal_device *tz_dev = &mvm->tz_device;
+
+ mutex_unlock(&mvm->mutex);
+ thermal_notify_framework(tz_dev->tzone,
+ tz_dev->fw_trips_index[ths_crossed]);
+ mutex_lock(&mvm->mutex);
+ }
+#endif /* CONFIG_THERMAL */
+}
+
+void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct ct_kill_notif *notif;
+ int len = iwl_rx_packet_payload_len(pkt);
+
+ if (WARN_ON_ONCE(len != sizeof(*notif))) {
+ IWL_ERR(mvm, "Invalid CT_KILL_NOTIFICATION\n");
+ return;
+ }
+
+ notif = (struct ct_kill_notif *)pkt->data;
+ IWL_DEBUG_TEMP(mvm, "CT Kill notification temperature = %d\n",
+ notif->temperature);
+
+ iwl_mvm_enter_ctkill(mvm);
}
static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
@@ -194,12 +263,12 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(extcmd), &extcmd);
}
-int iwl_mvm_get_temp(struct iwl_mvm *mvm)
+int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp)
{
struct iwl_notification_wait wait_temp_notif;
static u16 temp_notif[] = { WIDE_ID(PHY_OPS_GROUP,
DTS_MEASUREMENT_NOTIF_WIDE) };
- int ret, temp;
+ int ret;
if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR))
temp_notif[0] = DTS_MEASUREMENT_NOTIFICATION;
@@ -208,7 +277,7 @@ int iwl_mvm_get_temp(struct iwl_mvm *mvm)
iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,
temp_notif, ARRAY_SIZE(temp_notif),
- iwl_mvm_temp_notif_wait, &temp);
+ iwl_mvm_temp_notif_wait, temp);
ret = iwl_mvm_get_temp_cmd(mvm);
if (ret) {
@@ -219,12 +288,10 @@ int iwl_mvm_get_temp(struct iwl_mvm *mvm)
ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,
IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT);
- if (ret) {
+ if (ret)
IWL_ERR(mvm, "Getting the temperature timed out\n");
- return ret;
- }
- return temp;
+ return ret;
}
static void check_exit_ctkill(struct work_struct *work)
@@ -233,10 +300,17 @@ static void check_exit_ctkill(struct work_struct *work)
struct iwl_mvm *mvm;
u32 duration;
s32 temp;
+ int ret;
tt = container_of(work, struct iwl_mvm_tt_mgmt, ct_kill_exit.work);
mvm = container_of(tt, struct iwl_mvm, thermal_throttle);
+ if (iwl_mvm_is_tt_in_fw(mvm)) {
+ iwl_mvm_exit_ctkill(mvm);
+
+ return;
+ }
+
duration = tt->params.ct_kill_duration;
mutex_lock(&mvm->mutex);
@@ -250,13 +324,13 @@ static void check_exit_ctkill(struct work_struct *work)
goto reschedule;
}
- temp = iwl_mvm_get_temp(mvm);
+ ret = iwl_mvm_get_temp(mvm, &temp);
iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL);
__iwl_mvm_mac_stop(mvm);
- if (temp < 0)
+ if (ret)
goto reschedule;
IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);
@@ -436,7 +510,378 @@ static const struct iwl_tt_params iwl_mvm_default_tt_params = {
.support_tx_backoff = true,
};
-void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff)
+/* budget in mWatt */
+static const u32 iwl_mvm_cdev_budgets[] = {
+ 2000, /* cooling state 0 */
+ 1800, /* cooling state 1 */
+ 1600, /* cooling state 2 */
+ 1400, /* cooling state 3 */
+ 1200, /* cooling state 4 */
+ 1000, /* cooling state 5 */
+ 900, /* cooling state 6 */
+ 800, /* cooling state 7 */
+ 700, /* cooling state 8 */
+ 650, /* cooling state 9 */
+ 600, /* cooling state 10 */
+ 550, /* cooling state 11 */
+ 500, /* cooling state 12 */
+ 450, /* cooling state 13 */
+ 400, /* cooling state 14 */
+ 350, /* cooling state 15 */
+ 300, /* cooling state 16 */
+ 250, /* cooling state 17 */
+ 200, /* cooling state 18 */
+ 150, /* cooling state 19 */
+};
+
+int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 state)
+{
+ struct iwl_mvm_ctdp_cmd cmd = {
+ .operation = cpu_to_le32(op),
+ .budget = cpu_to_le32(iwl_mvm_cdev_budgets[state]),
+ .window_size = 0,
+ };
+ int ret;
+ u32 status;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, WIDE_ID(PHY_OPS_GROUP,
+ CTDP_CONFIG_CMD),
+ sizeof(cmd), &cmd, &status);
+
+ if (ret) {
+ IWL_ERR(mvm, "cTDP command failed (err=%d)\n", ret);
+ return ret;
+ }
+
+ switch (op) {
+ case CTDP_CMD_OPERATION_START:
+#ifdef CONFIG_THERMAL
+ mvm->cooling_dev.cur_state = state;
+#endif /* CONFIG_THERMAL */
+ break;
+ case CTDP_CMD_OPERATION_REPORT:
+ IWL_DEBUG_TEMP(mvm, "cTDP avg energy in mWatt = %d\n", status);
+ /* when the function is called with CTDP_CMD_OPERATION_REPORT
+ * option the function should return the average budget value
+ * that is received from the FW.
+ * The budget can't be less or equal to 0, so it's possible
+ * to distinguish between error values and budgets.
+ */
+ return status;
+ case CTDP_CMD_OPERATION_STOP:
+ IWL_DEBUG_TEMP(mvm, "cTDP stopped successfully\n");
+ break;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_THERMAL
+static int compare_temps(const void *a, const void *b)
+{
+ return ((s16)le16_to_cpu(*(__le16 *)a) -
+ (s16)le16_to_cpu(*(__le16 *)b));
+}
+
+int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm)
+{
+ struct temp_report_ths_cmd cmd = {0};
+ int ret, i, j, idx = 0;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (!mvm->tz_device.tzone)
+ return -EINVAL;
+
+ /* The driver holds array of temperature trips that are unsorted
+ * and uncompressed, the FW should get it compressed and sorted
+ */
+
+ /* compress temp_trips to cmd array, remove uninitialized values*/
+ for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) {
+ if (mvm->tz_device.temp_trips[i] != S16_MIN) {
+ cmd.thresholds[idx++] =
+ cpu_to_le16(mvm->tz_device.temp_trips[i]);
+ }
+ }
+ cmd.num_temps = cpu_to_le32(idx);
+
+ if (!idx)
+ goto send;
+
+ /*sort cmd array*/
+ sort(cmd.thresholds, idx, sizeof(s16), compare_temps, NULL);
+
+ /* we should save the indexes of trips because we sort
+ * and compress the orginal array
+ */
+ for (i = 0; i < idx; i++) {
+ for (j = 0; j < IWL_MAX_DTS_TRIPS; j++) {
+ if (le16_to_cpu(cmd.thresholds[i]) ==
+ mvm->tz_device.temp_trips[j])
+ mvm->tz_device.fw_trips_index[i] = j;
+ }
+ }
+
+send:
+ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
+ TEMP_REPORTING_THRESHOLDS_CMD),
+ 0, sizeof(cmd), &cmd);
+ if (ret)
+ IWL_ERR(mvm, "TEMP_REPORT_THS_CMD command failed (err=%d)\n",
+ ret);
+
+ return ret;
+}
+
+static int iwl_mvm_tzone_get_temp(struct thermal_zone_device *device,
+ int *temperature)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;
+ int ret;
+ int temp;
+
+ mutex_lock(&mvm->mutex);
+
+ if (!mvm->ucode_loaded || !(mvm->cur_ucode == IWL_UCODE_REGULAR)) {
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = iwl_mvm_get_temp(mvm, &temp);
+ if (ret)
+ goto out;
+
+ *temperature = temp * 1000;
+
+out:
+ mutex_unlock(&mvm->mutex);
+ return ret;
+}
+
+static int iwl_mvm_tzone_get_trip_temp(struct thermal_zone_device *device,
+ int trip, int *temp)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;
+
+ if (trip < 0 || trip >= IWL_MAX_DTS_TRIPS)
+ return -EINVAL;
+
+ *temp = mvm->tz_device.temp_trips[trip] * 1000;
+
+ return 0;
+}
+
+static int iwl_mvm_tzone_get_trip_type(struct thermal_zone_device *device,
+ int trip, enum thermal_trip_type *type)
+{
+ if (trip < 0 || trip >= IWL_MAX_DTS_TRIPS)
+ return -EINVAL;
+
+ *type = THERMAL_TRIP_PASSIVE;
+
+ return 0;
+}
+
+static int iwl_mvm_tzone_set_trip_temp(struct thermal_zone_device *device,
+ int trip, int temp)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)device->devdata;
+ struct iwl_mvm_thermal_device *tzone;
+ int i, ret;
+ s16 temperature;
+
+ mutex_lock(&mvm->mutex);
+
+ if (!mvm->ucode_loaded || !(mvm->cur_ucode == IWL_UCODE_REGULAR)) {
+ ret = -EIO;
+ goto out;
+ }
+
+ if (trip < 0 || trip >= IWL_MAX_DTS_TRIPS) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if ((temp / 1000) > S16_MAX) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ temperature = (s16)(temp / 1000);
+ tzone = &mvm->tz_device;
+
+ if (!tzone) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* no updates*/
+ if (tzone->temp_trips[trip] == temperature) {
+ ret = 0;
+ goto out;
+ }
+
+ /* already existing temperature */
+ for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) {
+ if (tzone->temp_trips[i] == temperature) {
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+
+ tzone->temp_trips[trip] = temperature;
+
+ ret = iwl_mvm_send_temp_report_ths_cmd(mvm);
+out:
+ mutex_unlock(&mvm->mutex);
+ return ret;
+}
+
+static struct thermal_zone_device_ops tzone_ops = {
+ .get_temp = iwl_mvm_tzone_get_temp,
+ .get_trip_temp = iwl_mvm_tzone_get_trip_temp,
+ .get_trip_type = iwl_mvm_tzone_get_trip_type,
+ .set_trip_temp = iwl_mvm_tzone_set_trip_temp,
+};
+
+/* make all trips writable */
+#define IWL_WRITABLE_TRIPS_MSK (BIT(IWL_MAX_DTS_TRIPS) - 1)
+
+static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
+{
+ int i;
+ char name[] = "iwlwifi";
+
+ if (!iwl_mvm_is_tt_in_fw(mvm)) {
+ mvm->tz_device.tzone = NULL;
+
+ return;
+ }
+
+ BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH);
+
+ mvm->tz_device.tzone = thermal_zone_device_register(name,
+ IWL_MAX_DTS_TRIPS,
+ IWL_WRITABLE_TRIPS_MSK,
+ mvm, &tzone_ops,
+ NULL, 0, 0);
+ if (IS_ERR(mvm->tz_device.tzone)) {
+ IWL_DEBUG_TEMP(mvm,
+ "Failed to register to thermal zone (err = %ld)\n",
+ PTR_ERR(mvm->tz_device.tzone));
+ mvm->tz_device.tzone = NULL;
+ return;
+ }
+
+ /* 0 is a valid temperature,
+ * so initialize the array with S16_MIN which invalid temperature
+ */
+ for (i = 0 ; i < IWL_MAX_DTS_TRIPS; i++)
+ mvm->tz_device.temp_trips[i] = S16_MIN;
+}
+
+static int iwl_mvm_tcool_get_max_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
+{
+ *state = ARRAY_SIZE(iwl_mvm_cdev_budgets) - 1;
+
+ return 0;
+}
+
+static int iwl_mvm_tcool_get_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);
+
+ if (test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
+ return -EBUSY;
+
+ *state = mvm->cooling_dev.cur_state;
+
+ return 0;
+}
+
+static int iwl_mvm_tcool_set_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long new_state)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata);
+ int ret;
+
+ if (!mvm->ucode_loaded || !(mvm->cur_ucode == IWL_UCODE_REGULAR))
+ return -EIO;
+
+ if (test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
+ return -EBUSY;
+
+ mutex_lock(&mvm->mutex);
+
+ if (new_state >= ARRAY_SIZE(iwl_mvm_cdev_budgets)) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
+ new_state);
+
+unlock:
+ mutex_unlock(&mvm->mutex);
+ return ret;
+}
+
+static struct thermal_cooling_device_ops tcooling_ops = {
+ .get_max_state = iwl_mvm_tcool_get_max_state,
+ .get_cur_state = iwl_mvm_tcool_get_cur_state,
+ .set_cur_state = iwl_mvm_tcool_set_cur_state,
+};
+
+static void iwl_mvm_cooling_device_register(struct iwl_mvm *mvm)
+{
+ char name[] = "iwlwifi";
+
+ if (!iwl_mvm_is_ctdp_supported(mvm))
+ return;
+
+ BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH);
+
+ mvm->cooling_dev.cdev =
+ thermal_cooling_device_register(name,
+ mvm,
+ &tcooling_ops);
+
+ if (IS_ERR(mvm->cooling_dev.cdev)) {
+ IWL_DEBUG_TEMP(mvm,
+ "Failed to register to cooling device (err = %ld)\n",
+ PTR_ERR(mvm->cooling_dev.cdev));
+ mvm->cooling_dev.cdev = NULL;
+ return;
+ }
+}
+
+static void iwl_mvm_thermal_zone_unregister(struct iwl_mvm *mvm)
+{
+ if (!iwl_mvm_is_tt_in_fw(mvm) || !mvm->tz_device.tzone)
+ return;
+
+ IWL_DEBUG_TEMP(mvm, "Thermal zone device unregister\n");
+ thermal_zone_device_unregister(mvm->tz_device.tzone);
+ mvm->tz_device.tzone = NULL;
+}
+
+static void iwl_mvm_cooling_device_unregister(struct iwl_mvm *mvm)
+{
+ if (!iwl_mvm_is_ctdp_supported(mvm) || !mvm->cooling_dev.cdev)
+ return;
+
+ IWL_DEBUG_TEMP(mvm, "Cooling device unregister\n");
+ thermal_cooling_device_unregister(mvm->cooling_dev.cdev);
+ mvm->cooling_dev.cdev = NULL;
+}
+#endif /* CONFIG_THERMAL */
+
+void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff)
{
struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;
@@ -451,10 +896,20 @@ void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff)
tt->dynamic_smps = false;
tt->min_backoff = min_backoff;
INIT_DELAYED_WORK(&tt->ct_kill_exit, check_exit_ctkill);
+
+#ifdef CONFIG_THERMAL
+ iwl_mvm_cooling_device_register(mvm);
+ iwl_mvm_thermal_zone_register(mvm);
+#endif
}
-void iwl_mvm_tt_exit(struct iwl_mvm *mvm)
+void iwl_mvm_thermal_exit(struct iwl_mvm *mvm)
{
cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);
IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");
+
+#ifdef CONFIG_THERMAL
+ iwl_mvm_cooling_device_unregister(mvm);
+ iwl_mvm_thermal_zone_unregister(mvm);
+#endif
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index a040edc55..34731e29c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* 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
@@ -65,6 +66,7 @@
#include <linux/ieee80211.h>
#include <linux/etherdevice.h>
#include <linux/tcp.h>
+#include <net/ip.h>
#include "iwl-trans.h"
#include "iwl-eeprom-parse.h"
@@ -103,6 +105,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, u8 sta_id)
{
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (void *)skb->data;
__le16 fc = hdr->frame_control;
u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
@@ -182,7 +185,8 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
tx_cmd->tx_flags = cpu_to_le32(tx_flags);
/* Total # bytes to be transmitted */
- tx_cmd->len = cpu_to_le16((u16)skb->len);
+ tx_cmd->len = cpu_to_le16((u16)skb->len +
+ (uintptr_t)skb_info->driver_data[0]);
tx_cmd->next_frame_len = 0;
tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
tx_cmd->sta_id = sta_id;
@@ -299,6 +303,8 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
case WLAN_CIPHER_SUITE_TKIP:
tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
+ pn = atomic64_inc_return(&keyconf->tx_pn);
+ ieee80211_tkip_add_iv(crypto_hdr, keyconf, pn);
ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
break;
@@ -322,10 +328,11 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
*/
static struct iwl_device_cmd *
iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
- int hdrlen, struct ieee80211_sta *sta, u8 sta_id)
+ struct ieee80211_tx_info *info, int hdrlen,
+ struct ieee80211_sta *sta, u8 sta_id)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
struct iwl_device_cmd *dev_cmd;
struct iwl_tx_cmd *tx_cmd;
@@ -345,10 +352,10 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
iwl_mvm_set_tx_cmd_rate(mvm, tx_cmd, info, sta, hdr->frame_control);
- memset(&info->status, 0, sizeof(info->status));
- memset(info->driver_data, 0, sizeof(info->driver_data));
+ memset(&skb_info->status, 0, sizeof(skb_info->status));
+ memset(skb_info->driver_data, 0, sizeof(skb_info->driver_data));
- info->driver_data[1] = dev_cmd;
+ skb_info->driver_data[1] = dev_cmd;
return dev_cmd;
}
@@ -356,20 +363,26 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info info;
struct iwl_device_cmd *dev_cmd;
struct iwl_tx_cmd *tx_cmd;
u8 sta_id;
int hdrlen = ieee80211_hdrlen(hdr->frame_control);
- if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU))
+ memcpy(&info, skb->cb, sizeof(info));
+
+ if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_AMPDU))
return -1;
- if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM &&
- (!info->control.vif ||
- info->hw_queue != info->control.vif->cab_queue)))
+ if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM &&
+ (!info.control.vif ||
+ info.hw_queue != info.control.vif->cab_queue)))
return -1;
+ /* This holds the amsdu headers length */
+ skb_info->driver_data[0] = (void *)(uintptr_t)0;
+
/*
* IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used
* in 2 different types of vifs, P2P & STATION. P2P uses the offchannel
@@ -377,7 +390,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
* and hence needs to be sent on the aux queue
*/
if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
- info->control.vif->type == NL80211_IFTYPE_STATION)
+ info.control.vif->type == NL80211_IFTYPE_STATION)
IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue;
/*
@@ -390,14 +403,14 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
* AUX station.
*/
sta_id = mvm->aux_sta.sta_id;
- if (info->control.vif) {
+ if (info.control.vif) {
struct iwl_mvm_vif *mvmvif =
- iwl_mvm_vif_from_mac80211(info->control.vif);
+ iwl_mvm_vif_from_mac80211(info.control.vif);
- if (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
- info->control.vif->type == NL80211_IFTYPE_AP)
+ if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
+ info.control.vif->type == NL80211_IFTYPE_AP)
sta_id = mvmvif->bcast_sta.sta_id;
- else if (info->control.vif->type == NL80211_IFTYPE_STATION &&
+ else if (info.control.vif->type == NL80211_IFTYPE_STATION &&
is_multicast_ether_addr(hdr->addr1)) {
u8 ap_sta_id = ACCESS_ONCE(mvmvif->ap_sta_id);
@@ -406,19 +419,18 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
}
}
- IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info->hw_queue);
+ IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info.hw_queue);
- dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, NULL, sta_id);
+ dev_cmd = iwl_mvm_set_tx_params(mvm, skb, &info, hdrlen, NULL, sta_id);
if (!dev_cmd)
return -1;
- /* From now on, we cannot access info->control */
tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload;
/* Copy MAC header from skb into command buffer */
memcpy(tx_cmd->hdr, hdr, hdrlen);
- if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info->hw_queue)) {
+ if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info.hw_queue)) {
iwl_trans_free_tx_cmd(mvm->trans, dev_cmd);
return -1;
}
@@ -435,42 +447,208 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
return 0;
}
-static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb_gso,
+#ifdef CONFIG_INET
+static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff_head *mpdus_skb)
{
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ unsigned int mss = skb_shinfo(skb)->gso_size;
struct sk_buff *tmp, *next;
- char cb[sizeof(skb_gso->cb)];
+ char cb[sizeof(skb->cb)];
+ unsigned int num_subframes, tcp_payload_len, subf_len, max_amsdu_len;
+ bool ipv4 = (skb->protocol == htons(ETH_P_IP));
+ u16 ip_base_id = ipv4 ? ntohs(ip_hdr(skb)->id) : 0;
+ u16 amsdu_add, snap_ip_tcp, pad, i = 0;
+ unsigned int dbg_max_amsdu_len;
+ u8 *qc, tid, txf;
+
+ snap_ip_tcp = 8 + skb_transport_header(skb) - skb_network_header(skb) +
+ tcp_hdrlen(skb);
+
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+ if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT))
+ return -EINVAL;
+
+ if (!sta->max_amsdu_len ||
+ !ieee80211_is_data_qos(hdr->frame_control) ||
+ !mvmsta->tlc_amsdu) {
+ num_subframes = 1;
+ pad = 0;
+ goto segment;
+ }
+
+ /*
+ * No need to lock amsdu_in_ampdu_allowed since it can't be modified
+ * during an BA session.
+ */
+ if (info->flags & IEEE80211_TX_CTL_AMPDU &&
+ !mvmsta->tid_data[tid].amsdu_in_ampdu_allowed) {
+ num_subframes = 1;
+ pad = 0;
+ goto segment;
+ }
+
+ max_amsdu_len = sta->max_amsdu_len;
+ dbg_max_amsdu_len = ACCESS_ONCE(mvm->max_amsdu_len);
+
+ /* the Tx FIFO to which this A-MSDU will be routed */
+ txf = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
+
+ /*
+ * Don't send an AMSDU that will be longer than the TXF.
+ * Add a security margin of 256 for the TX command + headers.
+ * We also want to have the start of the next packet inside the
+ * fifo to be able to send bursts.
+ */
+ max_amsdu_len = min_t(unsigned int, max_amsdu_len,
+ mvm->shared_mem_cfg.txfifo_size[txf] - 256);
+
+ if (dbg_max_amsdu_len)
+ max_amsdu_len = min_t(unsigned int, max_amsdu_len,
+ dbg_max_amsdu_len);
- memcpy(cb, skb_gso->cb, sizeof(cb));
- next = skb_gso_segment(skb_gso, 0);
- if (IS_ERR(next))
+ /*
+ * Limit A-MSDU in A-MPDU to 4095 bytes when VHT is not
+ * supported. This is a spec requirement (IEEE 802.11-2015
+ * section 8.7.3 NOTE 3).
+ */
+ if (info->flags & IEEE80211_TX_CTL_AMPDU &&
+ !sta->vht_cap.vht_supported)
+ max_amsdu_len = min_t(unsigned int, max_amsdu_len, 4095);
+
+ /* Sub frame header + SNAP + IP header + TCP header + MSS */
+ subf_len = sizeof(struct ethhdr) + snap_ip_tcp + mss;
+ pad = (4 - subf_len) & 0x3;
+
+ /*
+ * If we have N subframes in the A-MSDU, then the A-MSDU's size is
+ * N * subf_len + (N - 1) * pad.
+ */
+ num_subframes = (max_amsdu_len + pad) / (subf_len + pad);
+ if (num_subframes > 1)
+ *qc |= IEEE80211_QOS_CTL_A_MSDU_PRESENT;
+
+ tcp_payload_len = skb_tail_pointer(skb) - skb_transport_header(skb) -
+ tcp_hdrlen(skb) + skb->data_len;
+
+ /*
+ * Make sure we have enough TBs for the A-MSDU:
+ * 2 for each subframe
+ * 1 more for each fragment
+ * 1 more for the potential data in the header
+ */
+ num_subframes =
+ min_t(unsigned int, num_subframes,
+ (mvm->trans->max_skb_frags - 1 -
+ skb_shinfo(skb)->nr_frags) / 2);
+
+ /* This skb fits in one single A-MSDU */
+ if (num_subframes * mss >= tcp_payload_len) {
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+
+ /*
+ * Compute the length of all the data added for the A-MSDU.
+ * This will be used to compute the length to write in the TX
+ * command. We have: SNAP + IP + TCP for n -1 subframes and
+ * ETH header for n subframes. Note that the original skb
+ * already had one set of SNAP / IP / TCP headers.
+ */
+ num_subframes = DIV_ROUND_UP(tcp_payload_len, mss);
+ amsdu_add = num_subframes * sizeof(struct ethhdr) +
+ (num_subframes - 1) * (snap_ip_tcp + pad);
+ /* This holds the amsdu headers length */
+ skb_info->driver_data[0] = (void *)(uintptr_t)amsdu_add;
+
+ __skb_queue_tail(mpdus_skb, skb);
+ return 0;
+ }
+
+ /*
+ * Trick the segmentation function to make it
+ * create SKBs that can fit into one A-MSDU.
+ */
+segment:
+ skb_shinfo(skb)->gso_size = num_subframes * mss;
+ memcpy(cb, skb->cb, sizeof(cb));
+
+ next = skb_gso_segment(skb, NETIF_F_CSUM_MASK | NETIF_F_SG);
+ skb_shinfo(skb)->gso_size = mss;
+ if (WARN_ON_ONCE(IS_ERR(next)))
return -EINVAL;
else if (next)
- consume_skb(skb_gso);
+ consume_skb(skb);
while (next) {
tmp = next;
next = tmp->next;
+
memcpy(tmp->cb, cb, sizeof(tmp->cb));
+ /*
+ * Compute the length of all the data added for the A-MSDU.
+ * This will be used to compute the length to write in the TX
+ * command. We have: SNAP + IP + TCP for n -1 subframes and
+ * ETH header for n subframes.
+ */
+ tcp_payload_len = skb_tail_pointer(tmp) -
+ skb_transport_header(tmp) -
+ tcp_hdrlen(tmp) + tmp->data_len;
+
+ if (ipv4)
+ ip_hdr(tmp)->id = htons(ip_base_id + i * num_subframes);
+
+ if (tcp_payload_len > mss) {
+ struct ieee80211_tx_info *skb_info =
+ IEEE80211_SKB_CB(tmp);
+
+ num_subframes = DIV_ROUND_UP(tcp_payload_len, mss);
+ amsdu_add = num_subframes * sizeof(struct ethhdr) +
+ (num_subframes - 1) * (snap_ip_tcp + pad);
+ skb_info->driver_data[0] =
+ (void *)(uintptr_t)amsdu_add;
+ skb_shinfo(tmp)->gso_size = mss;
+ } else {
+ qc = ieee80211_get_qos_ctl((void *)tmp->data);
+
+ if (ipv4)
+ ip_send_check(ip_hdr(tmp));
+ *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
+ skb_shinfo(tmp)->gso_size = 0;
+ }
tmp->prev = NULL;
tmp->next = NULL;
__skb_queue_tail(mpdus_skb, tmp);
+ i++;
}
return 0;
}
+#else /* CONFIG_INET */
+static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff_head *mpdus_skb)
+{
+ /* Impossible to get TSO with CONFIG_INET */
+ WARN_ON(1);
+
+ return -1;
+}
+#endif
/*
* Sets the fields in the Tx cmd that are crypto related
*/
static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
struct ieee80211_sta *sta)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_mvm_sta *mvmsta;
struct iwl_device_cmd *dev_cmd;
struct iwl_tx_cmd *tx_cmd;
@@ -491,7 +669,8 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
return -1;
- dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, sta, mvmsta->sta_id);
+ dev_cmd = iwl_mvm_set_tx_params(mvm, skb, info, hdrlen,
+ sta, mvmsta->sta_id);
if (!dev_cmd)
goto drop;
@@ -567,6 +746,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
struct ieee80211_sta *sta)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_info info;
struct sk_buff_head mpdus_skbs;
unsigned int payload_len;
int ret;
@@ -577,18 +758,23 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
return -1;
+ memcpy(&info, skb->cb, sizeof(info));
+
+ /* This holds the amsdu headers length */
+ skb_info->driver_data[0] = (void *)(uintptr_t)0;
+
if (!skb_is_gso(skb))
- return iwl_mvm_tx_mpdu(mvm, skb, sta);
+ return iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
payload_len = skb_tail_pointer(skb) - skb_transport_header(skb) -
tcp_hdrlen(skb) + skb->data_len;
if (payload_len <= skb_shinfo(skb)->gso_size)
- return iwl_mvm_tx_mpdu(mvm, skb, sta);
+ return iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
__skb_queue_head_init(&mpdus_skbs);
- ret = iwl_mvm_tx_tso(mvm, skb, sta, &mpdus_skbs);
+ ret = iwl_mvm_tx_tso(mvm, skb, &info, sta, &mpdus_skbs);
if (ret)
return ret;
@@ -596,9 +782,9 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
return ret;
while (!skb_queue_empty(&mpdus_skbs)) {
- struct sk_buff *skb = __skb_dequeue(&mpdus_skbs);
+ skb = __skb_dequeue(&mpdus_skbs);
- ret = iwl_mvm_tx_mpdu(mvm, skb, sta);
+ ret = iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
if (ret) {
__skb_queue_purge(&mpdus_skbs);
return ret;
@@ -745,6 +931,37 @@ static void iwl_mvm_hwrate_to_tx_status(u32 rate_n_flags,
iwl_mvm_hwrate_to_tx_rate(rate_n_flags, info->band, r);
}
+static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
+ u32 status)
+{
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_tx_status *status_trig;
+ int i;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TX_STATUS))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_STATUS);
+ status_trig = (void *)trig->data;
+
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(status_trig->statuses); i++) {
+ /* don't collect on status 0 */
+ if (!status_trig->statuses[i].status)
+ break;
+
+ if (status_trig->statuses[i].status != (status & TX_STATUS_MSK))
+ continue;
+
+ iwl_mvm_fw_dbg_collect_trig(mvm, trig,
+ "Tx status %d was received",
+ status & TX_STATUS_MSK);
+ break;
+ }
+}
+
static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
@@ -760,6 +977,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
struct sk_buff_head skbs;
u8 skb_freed = 0;
u16 next_reclaimed, seq_ctl;
+ bool is_ndp = false;
__skb_queue_head_init(&skbs);
@@ -793,6 +1011,8 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
break;
}
+ iwl_mvm_tx_status_check_trigger(mvm, status);
+
info->status.rates[0].count = tx_resp->failure_frame + 1;
iwl_mvm_hwrate_to_tx_status(le32_to_cpu(tx_resp->initial_rate),
info);
@@ -811,6 +1031,20 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
seq_ctl = le16_to_cpu(hdr->seq_ctrl);
}
+ if (unlikely(!seq_ctl)) {
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+
+ /*
+ * If it is an NDP, we can't update next_reclaim since
+ * its sequence control is 0. Note that for that same
+ * reason, NDPs are never sent to A-MPDU'able queues
+ * so that we can never have more than one freed frame
+ * for a single Tx resonse (see WARN_ON below).
+ */
+ if (ieee80211_is_qos_nullfunc(hdr->frame_control))
+ is_ndp = true;
+ }
+
/*
* TODO: this is not accurate if we are freeing more than one
* packet.
@@ -874,9 +1108,16 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
bool send_eosp_ndp = false;
spin_lock_bh(&mvmsta->lock);
- tid_data->next_reclaimed = next_reclaimed;
- IWL_DEBUG_TX_REPLY(mvm, "Next reclaimed packet:%d\n",
- next_reclaimed);
+ if (!is_ndp) {
+ tid_data->next_reclaimed = next_reclaimed;
+ IWL_DEBUG_TX_REPLY(mvm,
+ "Next reclaimed packet:%d\n",
+ next_reclaimed);
+ } else {
+ IWL_DEBUG_TX_REPLY(mvm,
+ "NDP - don't update next_reclaimed\n");
+ }
+
iwl_mvm_check_ratid_empty(mvm, sta, tid);
if (mvmsta->sleep_tx_count) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 3a989f5c2..53cdc5760 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -376,8 +376,8 @@ struct iwl_error_event_table_v1 {
struct iwl_error_event_table {
u32 valid; /* (nonzero) valid, (0) log is empty */
u32 error_id; /* type of error */
- u32 pc; /* program counter */
- u32 blink1; /* branch link */
+ u32 trm_hw_status0; /* TRM HW status */
+ u32 trm_hw_status1; /* TRM HW status */
u32 blink2; /* branch link */
u32 ilink1; /* interrupt link */
u32 ilink2; /* interrupt link */
@@ -389,7 +389,7 @@ struct iwl_error_event_table {
u32 tsf_hi; /* network timestamp function timer */
u32 gp1; /* GP1 timer register */
u32 gp2; /* GP2 timer register */
- u32 gp3; /* GP3 timer register */
+ u32 fw_rev_type; /* firmware revision type */
u32 major; /* uCode version major */
u32 minor; /* uCode version minor */
u32 hw_ver; /* HW Silicon version */
@@ -408,7 +408,7 @@ struct iwl_error_event_table {
* time_flag */
u32 isr4; /* isr status register LMPM_NIC_ISR4:
* wico interrupt */
- u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */
+ u32 last_cmd_id; /* last HCMD id handled by the firmware */
u32 wait_event; /* wait event() caller address */
u32 l2p_control; /* L2pControlField */
u32 l2p_duration; /* L2pDurationField */
@@ -419,7 +419,7 @@ struct iwl_error_event_table {
u32 u_timestamp; /* indicate when the date and time of the
* compilation */
u32 flow_handler; /* FH read/write pointers, RX credit */
-} __packed /* LOG_ERROR_TABLE_API_S_VER_2 */;
+} __packed /* LOG_ERROR_TABLE_API_S_VER_3 */;
/*
* UMAC error struct - relevant starting from family 8000 chip.
@@ -529,9 +529,9 @@ static void iwl_mvm_dump_nic_error_log_old(struct iwl_mvm *mvm)
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.data3,
- table.blink1, table.blink2, table.ilink1,
- table.ilink2, table.bcon_time, table.gp1,
- table.gp2, table.gp3, table.ucode_ver, 0,
+ table.blink2, table.ilink1, table.ilink2,
+ table.bcon_time, table.gp1, table.gp2,
+ table.gp3, table.ucode_ver, 0,
table.hw_ver, table.brd_ver);
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
@@ -615,14 +615,14 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.data3,
- table.blink1, table.blink2, table.ilink1,
+ table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
- table.gp2, table.gp3, table.major,
+ table.gp2, table.fw_rev_type, table.major,
table.minor, table.hw_ver, table.brd_ver);
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
- IWL_ERR(mvm, "0x%08X | uPc\n", table.pc);
- IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1);
+ IWL_ERR(mvm, "0x%08X | trm_hw_status0\n", table.trm_hw_status0);
+ IWL_ERR(mvm, "0x%08X | trm_hw_status1\n", table.trm_hw_status1);
IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2);
@@ -634,7 +634,7 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2);
- IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3);
+ IWL_ERR(mvm, "0x%08X | uCode revision type\n", table.fw_rev_type);
IWL_ERR(mvm, "0x%08X | uCode version major\n", table.major);
IWL_ERR(mvm, "0x%08X | uCode version minor\n", table.minor);
IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver);
@@ -645,7 +645,7 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2);
IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3);
IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4);
- IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref);
+ IWL_ERR(mvm, "0x%08X | last cmd Id\n", table.last_cmd_id);
IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event);
IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control);
IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration);
@@ -937,18 +937,16 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm)
}
int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- bool value)
+ bool prev)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int res;
lockdep_assert_held(&mvm->mutex);
- if (mvmvif->low_latency == value)
+ if (iwl_mvm_vif_low_latency(mvmvif) == prev)
return 0;
- mvmvif->low_latency = value;
-
res = iwl_mvm_update_quotas(mvm, false, NULL);
if (res)
return res;