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* more clean-ups towards multiple RX queues; 

* some rate scaling fixes and improvements;
 * some time-of-flight fixes;
 * other generic improvements and clean-ups;
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Merge tag 'iwlwifi-next-for-kalle-2015-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* more clean-ups towards multiple RX queues;
* some rate scaling fixes and improvements;
* some time-of-flight fixes;
* other generic improvements and clean-ups;
This commit is contained in:
Kalle Valo 2015-10-07 12:14:23 +03:00
parent f79683ded6 0316d30ea3
commit 7e64e5e66a
32 changed files with 644 additions and 245 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
View File

@ -5541,7 +5541,7 @@ F: drivers/net/wireless/iwlegacy/
INTEL WIRELESS WIFI LINK (iwlwifi)
M: Johannes Berg <johannes.berg@intel.com>
M: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
M: Intel Linux Wireless <ilw@linux.intel.com>
M: Intel Linux Wireless <linuxwifi@intel.com>
L: linux-wireless@vger.kernel.org
W: http://intellinuxwireless.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git

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

@ -142,6 +142,7 @@ config IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
config IWLWIFI_DEVICE_TRACING
bool "iwlwifi device access tracing"
depends on EVENT_TRACING
default y
help
Say Y here to trace all commands, including TX frames and IO
accesses, sent to the device. If you say yes, iwlwifi will

7
drivers/net/wireless/iwlwifi/iwl-7000.c
View File

@ -73,11 +73,9 @@
/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK 13
#define IWL3165_UCODE_API_OK 13
/* Lowest firmware API version supported */
#define IWL7260_UCODE_API_MIN 13
#define IWL3165_UCODE_API_MIN 13
/* NVM versions */
#define IWL7260_NVM_VERSION 0x0a1d
@ -269,11 +267,6 @@ const struct iwl_cfg iwl3165_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 3165",
.fw_name_pre = IWL7265D_FW_PRE,
IWL_DEVICE_7000,
/* sparse doens't like the re-assignment but it is safe */
#ifndef __CHECKER__
.ucode_api_ok = IWL3165_UCODE_API_OK,
.ucode_api_min = IWL3165_UCODE_API_MIN,
#endif
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3165_NVM_VERSION,
.nvm_calib_ver = IWL3165_TX_POWER_VERSION,

12
drivers/net/wireless/iwlwifi/iwl-config.h
View File

@ -223,13 +223,13 @@ struct iwl_tt_tx_backoff {
* @support_tx_backoff: Support tx-backoff?
*/
struct iwl_tt_params {
s32 ct_kill_entry;
s32 ct_kill_exit;
u32 ct_kill_entry;
u32 ct_kill_exit;
u32 ct_kill_duration;
s32 dynamic_smps_entry;
s32 dynamic_smps_exit;
s32 tx_protection_entry;
s32 tx_protection_exit;
u32 dynamic_smps_entry;
u32 dynamic_smps_exit;
u32 tx_protection_entry;
u32 tx_protection_exit;
struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
bool support_ct_kill;
bool support_dynamic_smps;

4
drivers/net/wireless/iwlwifi/iwl-drv.c
View File

@ -450,7 +450,7 @@ static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
u32 api_flags = le32_to_cpu(ucode_api->api_flags);
int i;
if (api_index >= IWL_API_MAX_BITS / 32) {
if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
IWL_ERR(drv, "api_index larger than supported by driver\n");
/* don't return an error so we can load FW that has more bits */
return 0;
@ -472,7 +472,7 @@ static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
int i;
if (api_index >= IWL_CAPABILITIES_MAX_BITS / 32) {
if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
IWL_ERR(drv, "api_index larger than supported by driver\n");
/* don't return an error so we can load FW that has more bits */
return 0;

19
drivers/net/wireless/iwlwifi/iwl-fw-file.h
View File

@ -254,6 +254,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_api_t;
* instead of 3.
* @IWL_UCODE_TLV_API_TX_POWER_CHAIN: TX power API has larger command size
* (command version 3) that supports per-chain limits
*
* @NUM_IWL_UCODE_TLV_API: number of bits used
*/
enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_BT_COEX_SPLIT = (__force iwl_ucode_tlv_api_t)3,
@ -264,6 +266,12 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_NEW_VERSION = (__force iwl_ucode_tlv_api_t)20,
IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY = (__force iwl_ucode_tlv_api_t)24,
IWL_UCODE_TLV_API_TX_POWER_CHAIN = (__force iwl_ucode_tlv_api_t)27,
NUM_IWL_UCODE_TLV_API
#ifdef __CHECKER__
/* sparse says it cannot increment the previous enum member */
= 128
#endif
};
typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t;
@ -298,6 +306,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t;
* is supported.
* @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
* @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = (__force iwl_ucode_tlv_capa_t)0,
@ -320,6 +330,12 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC = (__force iwl_ucode_tlv_capa_t)29,
IWL_UCODE_TLV_CAPA_BT_COEX_RRC = (__force iwl_ucode_tlv_capa_t)30,
IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT = (__force iwl_ucode_tlv_capa_t)31,
NUM_IWL_UCODE_TLV_CAPA
#ifdef __CHECKER__
/* sparse says it cannot increment the previous enum member */
= 128
#endif
};
/* The default calibrate table size if not specified by firmware file */
@ -330,9 +346,6 @@ enum iwl_ucode_tlv_capa {
/* The default max probe length if not specified by the firmware file */
#define IWL_DEFAULT_MAX_PROBE_LENGTH 200
#define IWL_API_MAX_BITS 64
#define IWL_CAPABILITIES_MAX_BITS 64
/*
* For 16.0 uCode and above, there is no differentiation between sections,
* just an offset to the HW address.

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

@ -105,8 +105,8 @@ struct iwl_ucode_capabilities {
u32 n_scan_channels;
u32 standard_phy_calibration_size;
u32 flags;
unsigned long _api[BITS_TO_LONGS(IWL_API_MAX_BITS)];
unsigned long _capa[BITS_TO_LONGS(IWL_CAPABILITIES_MAX_BITS)];
unsigned long _api[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_API)];
unsigned long _capa[BITS_TO_LONGS(NUM_IWL_UCODE_TLV_CAPA)];
};
static inline bool

15
drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
View File

@ -580,13 +580,15 @@ static void iwl_set_hw_address_family_8000(struct device *dev,
IWL_ERR_DEV(dev, "mac address is not found\n");
}
#define IWL_4165_DEVICE_ID 0x5501
struct iwl_nvm_data *
iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
const __le16 *nvm_hw, const __le16 *nvm_sw,
const __le16 *nvm_calib, const __le16 *regulatory,
const __le16 *mac_override, const __le16 *phy_sku,
u8 tx_chains, u8 rx_chains, bool lar_fw_supported,
u32 mac_addr0, u32 mac_addr1)
u32 mac_addr0, u32 mac_addr1, u32 hw_id)
{
struct iwl_nvm_data *data;
u32 sku;
@ -625,6 +627,17 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
(sku & NVM_SKU_CAP_11AC_ENABLE);
data->sku_cap_mimo_disabled = sku & NVM_SKU_CAP_MIMO_DISABLE;
/*
* OTP 0x52 bug work around
* define antenna 1x1 according to MIMO disabled
*/
if (hw_id == IWL_4165_DEVICE_ID && data->sku_cap_mimo_disabled) {
data->valid_tx_ant = ANT_B;
data->valid_rx_ant = ANT_B;
tx_chains = ANT_B;
rx_chains = ANT_B;
}
data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {

2
drivers/net/wireless/iwlwifi/iwl-nvm-parse.h
View File

@ -79,7 +79,7 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
const __le16 *nvm_calib, const __le16 *regulatory,
const __le16 *mac_override, const __le16 *phy_sku,
u8 tx_chains, u8 rx_chains, bool lar_fw_supported,
u32 mac_addr0, u32 mac_addr1);
u32 mac_addr0, u32 mac_addr1, u32 hw_id);
/**
* iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW

19
drivers/net/wireless/iwlwifi/iwl-op-mode.h
View File

@ -7,6 +7,7 @@
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 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
@ -33,6 +34,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -108,7 +110,8 @@ struct iwl_cfg;
* interact with it. The driver layer typically calls the start and stop
* handlers, the transport layer calls the others.
*
* All the handlers MUST be implemented
* All the handlers MUST be implemented, except @rx_rss which can be left
* out *iff* the opmode will never run on hardware with multi-queue capability.
*
* @start: start the op_mode. The transport layer is already allocated.
* May sleep
@ -116,6 +119,10 @@ struct iwl_cfg;
* May sleep
* @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
* HCMD this Rx responds to. Can't sleep.
* @rx_rss: data queue RX notification to the op_mode, for (data) notifications
* received on the RSS queue(s). The queue parameter indicates which of the
* RSS queues received this frame; it will always be non-zero.
* This method must not sleep.
* @queue_full: notifies that a HW queue is full.
* Must be atomic and called with BH disabled.
* @queue_not_full: notifies that a HW queue is not full any more.
@ -146,6 +153,8 @@ struct iwl_op_mode_ops {
void (*stop)(struct iwl_op_mode *op_mode);
void (*rx)(struct iwl_op_mode *op_mode, struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb);
void (*rx_rss)(struct iwl_op_mode *op_mode, struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb, unsigned int queue);
void (*queue_full)(struct iwl_op_mode *op_mode, int queue);
void (*queue_not_full)(struct iwl_op_mode *op_mode, int queue);
bool (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state);
@ -186,6 +195,14 @@ static inline void iwl_op_mode_rx(struct iwl_op_mode *op_mode,
return op_mode->ops->rx(op_mode, napi, rxb);
}
static inline void iwl_op_mode_rx_rss(struct iwl_op_mode *op_mode,
struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb,
unsigned int queue)
{
op_mode->ops->rx_rss(op_mode, napi, rxb, queue);
}
static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode,
int queue)
{

1
drivers/net/wireless/iwlwifi/iwl-trans.c
View File

@ -87,6 +87,7 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
trans->cfg = cfg;
trans->ops = ops;
trans->dev_cmd_headroom = dev_cmd_headroom;
trans->num_rx_queues = 1;
snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name),
"iwl_cmd_pool:%s", dev_name(trans->dev));

5
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -386,6 +386,7 @@ static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r)
#define IWL_MAX_HW_QUEUES 32
#define IWL_MAX_TID_COUNT 8
#define IWL_FRAME_LIMIT 64
#define IWL_MAX_RX_HW_QUEUES 16
/**
* enum iwl_wowlan_status - WoWLAN image/device status
@ -654,6 +655,8 @@ enum iwl_d0i3_mode {
* @hw_id_str: a string with info about HW ID. Set during transport allocation.
* @pm_support: set to true in start_hw if link pm is supported
* @ltr_enabled: set to true if the LTR is enabled
* @num_rx_queues: number of RX queues allocated by the transport;
* the transport must set this before calling iwl_drv_start()
* @dev_cmd_pool: pool for Tx cmd allocation - for internal use only.
* The user should use iwl_trans_{alloc,free}_tx_cmd.
* @dev_cmd_headroom: room needed for the transport's private use before the
@ -693,6 +696,8 @@ struct iwl_trans {
bool pm_support;
bool ltr_enabled;
u8 num_rx_queues;
/* The following fields are internal only */
struct kmem_cache *dev_cmd_pool;
size_t dev_cmd_headroom;

1
drivers/net/wireless/iwlwifi/mvm/constants.h
View File

@ -102,6 +102,7 @@
#define IWL_MVM_QUOTA_THRESHOLD 4
#define IWL_MVM_RS_RSSI_BASED_INIT_RATE 0
#define IWL_MVM_RS_DISABLE_P2P_MIMO 0
#define IWL_MVM_RS_80_20_FAR_RANGE_TWEAK 1
#define IWL_MVM_TOF_IS_RESPONDER 0
#define IWL_MVM_RS_NUM_TRY_BEFORE_ANT_TOGGLE 1
#define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE 2

72
drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
View File

@ -511,7 +511,8 @@ static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
int value, ret = -EINVAL;
u32 value;
int ret = -EINVAL;
char *data;
mutex_lock(&mvm->mutex);
@ -599,7 +600,8 @@ static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
int value, ret = 0;
u32 value;
int ret = 0;
char *data;
mutex_lock(&mvm->mutex);
@ -822,7 +824,8 @@ static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
int value, ret = 0;
u32 value;
int ret = 0;
char *data;
mutex_lock(&mvm->mutex);
@ -892,6 +895,7 @@ static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
goto out;
}
memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN);
goto out;
}
data = iwl_dbgfs_is_match("macaddr_mask=", buf);
@ -903,21 +907,22 @@ static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
goto out;
}
memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN);
goto out;
}
data = iwl_dbgfs_is_match("ap=", buf);
if (data) {
struct iwl_tof_range_req_ap_entry ap;
struct iwl_tof_range_req_ap_entry ap = {};
int size = sizeof(struct iwl_tof_range_req_ap_entry);
u16 burst_period;
u8 *mac = ap.bssid;
unsigned int i;
if (sscanf(data, "%u %hhd %hhx %hhx"
if (sscanf(data, "%u %hhd %hhd %hhd"
"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"
"%hhx %hhx %hx"
"%hhx %hhx %x"
"%hhx %hhx %hhx %hhx",
"%hhd %hhd %hd"
"%hhd %hhd %d"
"%hhx %hhd %hhd %hhd",
&i, &ap.channel_num, &ap.bandwidth,
&ap.ctrl_ch_position,
mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5,
@ -944,12 +949,12 @@ static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif,
data = iwl_dbgfs_is_match("send_range_request=", buf);
if (data) {
ret = kstrtou32(data, 10, &value);
if (ret == 0 && value) {
if (ret == 0 && value)
ret = iwl_mvm_tof_range_request_cmd(mvm, vif);
goto out;
}
goto out;
}
ret = -EINVAL;
out:
mutex_unlock(&mvm->mutex);
return ret ?: count;
@ -994,16 +999,18 @@ static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file,
struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i];
pos += scnprintf(buf + pos, bufsz - pos,
"ap %.2d: channel_num=%hhx bw=%hhx"
" control=%hhx bssid=%pM type=%hhx"
" num_of_bursts=%hhx burst_period=%hx ftm=%hhx"
" retries=%hhx tsf_delta=%x location_req=%hhx "
" asap=%hhx enable=%hhx rssi=%hhx\n",
"ap %.2d: channel_num=%hhd bw=%hhd"
" control=%hhd bssid=%pM type=%hhd"
" num_of_bursts=%hhd burst_period=%hd ftm=%hhd"
" retries=%hhd tsf_delta=%d"
" tsf_delta_direction=%hhd location_req=0x%hhx "
" asap=%hhd enable=%hhd rssi=%hhd\n",
i, ap->channel_num, ap->bandwidth,
ap->ctrl_ch_position, ap->bssid,
ap->measure_type, ap->num_of_bursts,
ap->burst_period, ap->samples_per_burst,
ap->retries_per_sample, ap->tsf_delta,
ap->tsf_delta_direction,
ap->location_req, ap->asap_mode,
ap->enable_dyn_ack, ap->rssi);
}
@ -1019,7 +1026,8 @@ static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
int value, ret = 0;
u32 value;
int ret = 0;
char *data;
mutex_lock(&mvm->mutex);
@ -1071,12 +1079,12 @@ static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif,
data = iwl_dbgfs_is_match("send_range_req_ext=", buf);
if (data) {
ret = kstrtou32(data, 10, &value);
if (ret == 0 && value) {
if (ret == 0 && value)
ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif);
goto out;
}
goto out;
}
ret = -EINVAL;
out:
mutex_unlock(&mvm->mutex);
return ret ?: count;
@ -1099,18 +1107,18 @@ static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file,
mutex_lock(&mvm->mutex);
pos += scnprintf(buf + pos, bufsz - pos,
"tsf_timer_offset_msec = %hx\n",
"tsf_timer_offset_msec = %hd\n",
cmd->tsf_timer_offset_msec);
pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhx\n",
pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n",
cmd->min_delta_ftm);
pos += scnprintf(buf + pos, bufsz - pos,
"ftm_format_and_bw20M = %hhx\n",
"ftm_format_and_bw20M = %hhd\n",
cmd->ftm_format_and_bw20M);
pos += scnprintf(buf + pos, bufsz - pos,
"ftm_format_and_bw40M = %hhx\n",
"ftm_format_and_bw40M = %hhd\n",
cmd->ftm_format_and_bw40M);
pos += scnprintf(buf + pos, bufsz - pos,
"ftm_format_and_bw80M = %hhx\n",
"ftm_format_and_bw80M = %hhd\n",
cmd->ftm_format_and_bw80M);
mutex_unlock(&mvm->mutex);
@ -1123,8 +1131,8 @@ static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif,
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
int value, ret = 0;
int abort_id;
u32 value;
int abort_id, ret = 0;
char *data;
mutex_lock(&mvm->mutex);
@ -1205,11 +1213,11 @@ static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file,
struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i];
pos += scnprintf(buf + pos, bufsz - pos,
"ap %.2d: bssid=%pM status=%hhx bw=%hhx"
" rtt=%x rtt_var=%x rtt_spread=%x"
" rssi=%hhx rssi_spread=%hhx"
" range=%x range_var=%x"
" time_stamp=%x\n",
"ap %.2d: bssid=%pM status=%hhd bw=%hhd"
" rtt=%d rtt_var=%d rtt_spread=%d"
" rssi=%hhd rssi_spread=%hhd"
" range=%d range_var=%d"
" time_stamp=%d\n",
i, ap->bssid, ap->measure_status,
ap->measure_bw,
ap->rtt, ap->rtt_variance, ap->rtt_spread,

3
drivers/net/wireless/iwlwifi/mvm/debugfs.c
View File

@ -1495,6 +1495,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
if (!debugfs_create_blob("nvm_prod", S_IRUSR,
mvm->debugfs_dir, &mvm->nvm_prod_blob))
goto err;
if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
goto err;
/*
* Create a symlink with mac80211. It will be removed when mac80211

8
drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
View File

@ -192,16 +192,10 @@ struct iwl_powertable_cmd {
/**
* enum iwl_device_power_flags - masks for device power command flags
* @DEVIC_POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
* receiver and transmitter. '0' - does not allow. This flag should be
* always set to '1' unless one need to disable actual power down for debug
* purposes.
* @DEVICE_POWER_FLAGS_CAM_MSK: '1' CAM (Continuous Active Mode) is set, meaning
* that power management is disabled. '0' Power management is enabled, one
* of power schemes is applied.
* receiver and transmitter. '0' - does not allow.
*/
enum iwl_device_power_flags {
DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK = BIT(0),
DEVICE_POWER_FLAGS_CAM_MSK = BIT(13),
};
/**

10
drivers/net/wireless/iwlwifi/mvm/fw-api.h
View File

@ -268,6 +268,16 @@ enum {
REPLY_MAX = 0xff,
};
enum iwl_phy_ops_subcmd_ids {
CMD_DTS_MEASUREMENT_TRIGGER_WIDE = 0x0,
DTS_MEASUREMENT_NOTIF_WIDE = 0xFF,
};
/* command groups */
enum {
PHY_OPS_GROUP = 0x4,
};
/**
* struct iwl_cmd_response - generic response struct for most commands
* @status: status of the command asked, changes for each one

8
drivers/net/wireless/iwlwifi/mvm/fw.c
View File

@ -616,12 +616,8 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
* will be empty.
*/
for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE)
mvm->queue_to_mac80211[i] = i;
else
mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
}
memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1;
for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
atomic_set(&mvm->mac80211_queue_stop_count[i], 0);

27
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
View File

@ -486,16 +486,18 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
switch (vif->type) {
case NL80211_IFTYPE_P2P_DEVICE:
iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_TX_FIFO_VO, wdg_timeout);
IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_TX_FIFO_VO, 0, wdg_timeout);
break;
case NL80211_IFTYPE_AP:
iwl_mvm_enable_ac_txq(mvm, vif->cab_queue,
IWL_MVM_TX_FIFO_MCAST, wdg_timeout);
iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, vif->cab_queue,
IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout);
/* fall through */
default:
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac],
iwl_mvm_ac_to_tx_fifo[ac],
vif->hw_queue[ac],
iwl_mvm_ac_to_tx_fifo[ac], 0,
wdg_timeout);
break;
}
@ -511,14 +513,19 @@ void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
switch (vif->type) {
case NL80211_IFTYPE_P2P_DEVICE:
iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE, 0);
iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
IWL_MVM_OFFCHANNEL_QUEUE, IWL_MAX_TID_COUNT,
0);
break;
case NL80211_IFTYPE_AP:
iwl_mvm_disable_txq(mvm, vif->cab_queue, 0);
iwl_mvm_disable_txq(mvm, vif->cab_queue, vif->cab_queue,
IWL_MAX_TID_COUNT, 0);
/* fall through */
default:
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
iwl_mvm_disable_txq(mvm, vif->hw_queue[ac], 0);
iwl_mvm_disable_txq(mvm, vif->hw_queue[ac],
vif->hw_queue[ac],
IWL_MAX_TID_COUNT, 0);
}
}
@ -1126,9 +1133,9 @@ static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm,
ctxt_ap->beacon_template = cpu_to_le32(mvmvif->id);
}
int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
u32 action)
static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
u32 action)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mac_ctx_cmd cmd = {};

2
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -2616,7 +2616,7 @@ static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
if (mvm_sta->vif->type == NL80211_IFTYPE_AP) {
mvmvif->ap_assoc_sta_count--;
iwl_mvm_mac_ctxt_cmd_ap(mvm, vif, FW_CTXT_ACTION_MODIFY);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
mutex_unlock(&mvm->mutex);

53
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -82,7 +82,6 @@
#include "constants.h"
#include "tof.h"
#define IWL_INVALID_MAC80211_QUEUE 0xff
#define IWL_MVM_MAX_ADDRESSES 5
/* RSSI offset for WkP */
#define IWL_RSSI_OFFSET 50
@ -605,7 +604,14 @@ struct iwl_mvm {
u64 on_time_scan;
} radio_stats, accu_radio_stats;
u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
struct {
/* Map to HW queue */
u32 hw_queue_to_mac80211;
u8 hw_queue_refcount;
bool setup_reserved;
u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
} queue_info[IWL_MAX_HW_QUEUES];
spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
const char *nvm_file_name;
@ -682,6 +688,7 @@ struct iwl_mvm {
struct debugfs_blob_wrapper nvm_sw_blob;
struct debugfs_blob_wrapper nvm_calib_blob;
struct debugfs_blob_wrapper nvm_prod_blob;
struct debugfs_blob_wrapper nvm_phy_sku_blob;
struct iwl_mvm_frame_stats drv_rx_stats;
spinlock_t drv_stats_lock;
@ -910,6 +917,12 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
}
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);
}
static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
{
bool nvm_lar = mvm->nvm_data->lar_enabled;
@ -957,6 +970,12 @@ static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
}
static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
{
/* firmware flag isn't defined yet */
return false;
}
extern const u8 iwl_mvm_ac_to_tx_fifo[];
struct iwl_rate_info {
@ -1129,10 +1148,6 @@ 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,
struct ieee80211_vif *exclude_vif);
int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
u32 action);
/* Bindings */
int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
@ -1345,14 +1360,20 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
}
/* hw scheduler queue config */
void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
const struct iwl_trans_txq_scd_cfg *cfg,
void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
unsigned int wdg_timeout);
void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
/*
* Disable a TXQ.
* Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
*/
void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
u8 tid, u8 flags);
int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
static inline
void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
u8 fifo, unsigned int wdg_timeout)
void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
u8 fifo, u16 ssn, unsigned int wdg_timeout)
{
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = fifo,
@ -1361,13 +1382,13 @@ void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
.frame_limit = IWL_FRAME_LIMIT,
};
iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
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 fifo, int sta_id, int tid,
int frame_limit, u16 ssn,
unsigned int wdg_timeout)
int mac80211_queue, int fifo,
int sta_id, int tid, int frame_limit,
u16 ssn, unsigned int wdg_timeout)
{
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = fifo,
@ -1377,7 +1398,7 @@ static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
.aggregate = true,
};
iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
}
/* Thermal management and CT-kill */

7
drivers/net/wireless/iwlwifi/mvm/nvm.c
View File

@ -316,7 +316,8 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
return iwl_parse_nvm_data(mvm->trans->dev, 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, mac_addr0, mac_addr1,
mvm->trans->hw_id);
}
#define MAX_NVM_FILE_LEN 16384
@ -563,6 +564,10 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
mvm->nvm_prod_blob.data = temp;
mvm->nvm_prod_blob.size = ret;
break;
case NVM_SECTION_TYPE_PHY_SKU:
mvm->nvm_phy_sku_blob.data = temp;
mvm->nvm_phy_sku_blob.size = ret;
break;
default:
if (section == mvm->cfg->nvm_hw_section_num) {
mvm->nvm_hw_blob.data = temp;

155
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -89,6 +89,7 @@ MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
static const struct iwl_op_mode_ops iwl_mvm_ops;
static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
struct iwl_mvm_mod_params iwlmvm_mod_params = {
.power_scheme = IWL_POWER_SCHEME_BPS,
@ -222,7 +223,6 @@ struct iwl_rx_handlers {
* called from a worker with mvm->mutex held.
*/
static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false),
RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
@ -257,6 +257,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
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),
RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
iwl_mvm_temp_notif, true),
RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
true),
@ -423,7 +425,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
op_mode = hw->priv;
op_mode->ops = &iwl_mvm_ops;
mvm = IWL_OP_MODE_GET_MVM(op_mode);
mvm->dev = trans->dev;
@ -432,6 +433,15 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
mvm->fw = fw;
mvm->hw = hw;
if (iwl_mvm_has_new_rx_api(mvm)) {
op_mode->ops = &iwl_mvm_ops_mq;
} else {
op_mode->ops = &iwl_mvm_ops;
if (WARN_ON(trans->num_rx_queues > 1))
goto out_free;
}
mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0;
mvm->aux_queue = 15;
@ -452,6 +462,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
INIT_LIST_HEAD(&mvm->aux_roc_te_list);
INIT_LIST_HEAD(&mvm->async_handlers_list);
spin_lock_init(&mvm->time_event_lock);
spin_lock_init(&mvm->queue_info_lock);
INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
@ -717,18 +728,11 @@ static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
}
}
static void iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb)
static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_rx_packet *pkt)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
u8 i;
if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) {
iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
return;
}
int i;
iwl_mvm_rx_check_trigger(mvm, pkt);
@ -768,40 +772,84 @@ static void iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
}
}
static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD)
iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
else
iwl_mvm_rx_common(mvm, rxb, pkt);
}
static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD)
iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
else
iwl_mvm_rx_common(mvm, rxb, pkt);
}
static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
int mq = mvm->queue_to_mac80211[queue];
unsigned long mq;
int q;
if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
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;
if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) {
IWL_DEBUG_TX_QUEUES(mvm,
"queue %d (mac80211 %d) already stopped\n",
queue, 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);
continue;
}
ieee80211_stop_queue(mvm->hw, q);
}
ieee80211_stop_queue(mvm->hw, mq);
}
static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
int mq = mvm->queue_to_mac80211[queue];
unsigned long mq;
int q;
if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
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;
if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) {
IWL_DEBUG_TX_QUEUES(mvm,
"queue %d (mac80211 %d) still stopped\n",
queue, 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);
continue;
}
ieee80211_wake_queue(mvm->hw, q);
}
ieee80211_wake_queue(mvm->hw, mq);
}
void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
@ -1347,17 +1395,38 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
return _iwl_mvm_exit_d0i3(mvm);
}
#define IWL_MVM_COMMON_OPS \
/* these could be differentiated */ \
.queue_full = iwl_mvm_stop_sw_queue, \
.queue_not_full = iwl_mvm_wake_sw_queue, \
.hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
.free_skb = iwl_mvm_free_skb, \
.nic_error = iwl_mvm_nic_error, \
.cmd_queue_full = iwl_mvm_cmd_queue_full, \
.nic_config = iwl_mvm_nic_config, \
.enter_d0i3 = iwl_mvm_enter_d0i3, \
.exit_d0i3 = iwl_mvm_exit_d0i3, \
/* as we only register one, these MUST be common! */ \
.start = iwl_op_mode_mvm_start, \
.stop = iwl_op_mode_mvm_stop
static const struct iwl_op_mode_ops iwl_mvm_ops = {
.start = iwl_op_mode_mvm_start,
.stop = iwl_op_mode_mvm_stop,
.rx = iwl_mvm_rx_dispatch,
.queue_full = iwl_mvm_stop_sw_queue,
.queue_not_full = iwl_mvm_wake_sw_queue,
.hw_rf_kill = iwl_mvm_set_hw_rfkill_state,
.free_skb = iwl_mvm_free_skb,
.nic_error = iwl_mvm_nic_error,
.cmd_queue_full = iwl_mvm_cmd_queue_full,
.nic_config = iwl_mvm_nic_config,
.enter_d0i3 = iwl_mvm_enter_d0i3,
.exit_d0i3 = iwl_mvm_exit_d0i3,
IWL_MVM_COMMON_OPS,
.rx = iwl_mvm_rx,
};
static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb,
unsigned int queue)
{
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
}
static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
IWL_MVM_COMMON_OPS,
.rx = iwl_mvm_rx_mq,
.rx_rss = iwl_mvm_rx_mq_rss,
};

78
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -7,6 +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
*
* 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) 2015 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -306,13 +308,50 @@ static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
return radar_detect;
}
static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct iwl_mac_power_cmd *cmd,
bool host_awake)
{
int dtimper = vif->bss_conf.dtim_period ?: 1;
int skip;
/* disable, in case we're supposed to override */
cmd->skip_dtim_periods = 0;
cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
if (iwl_mvm_power_is_radar(vif))
return;
if (dtimper >= 10)
return;
/* TODO: check that multicast wake lock is off */
if (host_awake) {
if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
return;
skip = 2;
} else {
int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
if (WARN_ON(!dtimper_tu))
return;
/* configure skip over dtim up to 306TU - 314 msec */
skip = max_t(u8, 1, 306 / dtimper_tu);
}
/* the firmware really expects "look at every X DTIMs", so add 1 */
cmd->skip_dtim_periods = 1 + skip;
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct iwl_mac_power_cmd *cmd)
{
int dtimper, bi;
int keep_alive;
bool radar_detect = false;
struct iwl_mvm_vif *mvmvif __maybe_unused =
iwl_mvm_vif_from_mac80211(vif);
@ -350,16 +389,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
}
/* Check if radar detection is required on current channel */
radar_detect = iwl_mvm_power_is_radar(vif);
/* Check skip over DTIM conditions */
if (!radar_detect && (dtimper < 10) &&
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
cmd->skip_dtim_periods = 3;
}
iwl_mvm_power_config_skip_dtim(mvm, vif, cmd,
mvm->cur_ucode != IWL_UCODE_WOWLAN);
if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
cmd->rx_data_timeout =
@ -440,14 +471,14 @@ static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
{
struct iwl_device_power_cmd cmd = {
.flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
.flags = 0,
};
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
mvm->ps_disabled = true;
if (mvm->ps_disabled)
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
if (!mvm->ps_disabled)
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
#ifdef CONFIG_IWLWIFI_DEBUGFS
if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
@ -964,24 +995,11 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
return 0;
iwl_mvm_power_build_cmd(mvm, vif, &cmd);
if (enable) {
/* configure skip over dtim up to 306TU - 314 msec */
int dtimper = vif->bss_conf.dtim_period ?: 1;
int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
bool radar_detect = iwl_mvm_power_is_radar(vif);
if (WARN_ON(!dtimper_tu))
return 0;
/* when enabling D0i3, override the skip-over-dtim configuration */
if (enable)
iwl_mvm_power_config_skip_dtim(mvm, vif, &cmd, false);
/* Check skip over DTIM conditions */
/* TODO: check that multicast wake lock is off */
if (!radar_detect && (dtimper < 10)) {
cmd.skip_dtim_periods = 306 / dtimper_tu;
if (cmd.skip_dtim_periods)
cmd.flags |= cpu_to_le16(
POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
}
iwl_mvm_power_log(mvm, &cmd);
#ifdef CONFIG_IWLWIFI_DEBUGFS
memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));

116
drivers/net/wireless/iwlwifi/mvm/rs.c
View File

@ -524,14 +524,56 @@ static const char *rs_pretty_lq_type(enum iwl_table_type type)
return lq_types[type];
}
static char *rs_pretty_rate(const struct rs_rate *rate)
{
static char buf[40];
static const char * const legacy_rates[] = {
[IWL_RATE_1M_INDEX] = "1M",
[IWL_RATE_2M_INDEX] = "2M",
[IWL_RATE_5M_INDEX] = "5.5M",
[IWL_RATE_11M_INDEX] = "11M",
[IWL_RATE_6M_INDEX] = "6M",
[IWL_RATE_9M_INDEX] = "9M",
[IWL_RATE_12M_INDEX] = "12M",
[IWL_RATE_18M_INDEX] = "18M",
[IWL_RATE_24M_INDEX] = "24M",
[IWL_RATE_36M_INDEX] = "36M",
[IWL_RATE_48M_INDEX] = "48M",
[IWL_RATE_54M_INDEX] = "54M",
};
static const char *const ht_vht_rates[] = {
[IWL_RATE_MCS_0_INDEX] = "MCS0",
[IWL_RATE_MCS_1_INDEX] = "MCS1",
[IWL_RATE_MCS_2_INDEX] = "MCS2",
[IWL_RATE_MCS_3_INDEX] = "MCS3",
[IWL_RATE_MCS_4_INDEX] = "MCS4",
[IWL_RATE_MCS_5_INDEX] = "MCS5",
[IWL_RATE_MCS_6_INDEX] = "MCS6",
[IWL_RATE_MCS_7_INDEX] = "MCS7",
[IWL_RATE_MCS_8_INDEX] = "MCS8",
[IWL_RATE_MCS_9_INDEX] = "MCS9",
};
const char *rate_str;
if (is_type_legacy(rate->type))
rate_str = legacy_rates[rate->index];
else if (is_type_ht(rate->type) || is_type_vht(rate->type))
rate_str = ht_vht_rates[rate->index];
else
rate_str = "BAD_RATE";
sprintf(buf, "(%s|%s|%s)", rs_pretty_lq_type(rate->type),
rs_pretty_ant(rate->ant), rate_str);
return buf;
}
static inline void rs_dump_rate(struct iwl_mvm *mvm, const struct rs_rate *rate,
const char *prefix)
{
IWL_DEBUG_RATE(mvm,
"%s: (%s: %d) ANT: %s BW: %d SGI: %d LDPC: %d STBC: %d\n",
prefix, rs_pretty_lq_type(rate->type),
rate->index, rs_pretty_ant(rate->ant),
rate->bw, rate->sgi, rate->ldpc, rate->stbc);
"%s: %s BW: %d SGI: %d LDPC: %d STBC: %d\n",
prefix, rs_pretty_rate(rate), rate->bw,
rate->sgi, rate->ldpc, rate->stbc);
}
static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window)
@ -562,8 +604,8 @@ static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type)
}
static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm,
struct iwl_lq_sta *lq_data, u8 tid,
struct ieee80211_sta *sta)
struct iwl_lq_sta *lq_data, u8 tid,
struct ieee80211_sta *sta)
{
int ret = -EAGAIN;
@ -1485,7 +1527,7 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm,
u32 target_tpt;
int rate_idx;
if (success_ratio > IWL_MVM_RS_SR_NO_DECREASE) {
if (success_ratio >= RS_PERCENT(IWL_MVM_RS_SR_NO_DECREASE)) {
target_tpt = 100 * expected_current_tpt;
IWL_DEBUG_RATE(mvm,
"SR %d high. Find rate exceeding EXPECTED_CURRENT %d\n",
@ -1493,7 +1535,7 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm,
} else {
target_tpt = lq_sta->last_tpt;
IWL_DEBUG_RATE(mvm,
"SR %d not thag good. Find rate exceeding ACTUAL_TPT %d\n",
"SR %d not that good. Find rate exceeding ACTUAL_TPT %d\n",
success_ratio, target_tpt);
}
@ -1622,6 +1664,51 @@ static void rs_update_rate_tbl(struct iwl_mvm *mvm,
iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, false);
}
static bool rs_tweak_rate_tbl(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct iwl_lq_sta *lq_sta,
struct iwl_scale_tbl_info *tbl,
enum rs_action scale_action)
{
if (sta->bandwidth != IEEE80211_STA_RX_BW_80)
return false;
if (!is_vht_siso(&tbl->rate))
return false;
if ((tbl->rate.bw == RATE_MCS_CHAN_WIDTH_80) &&
(tbl->rate.index == IWL_RATE_MCS_0_INDEX) &&
(scale_action == RS_ACTION_DOWNSCALE)) {
tbl->rate.bw = RATE_MCS_CHAN_WIDTH_20;
tbl->rate.index = IWL_RATE_MCS_4_INDEX;
IWL_DEBUG_RATE(mvm, "Switch 80Mhz SISO MCS0 -> 20Mhz MCS4\n");
goto tweaked;
}
/* Go back to 80Mhz MCS1 only if we've established that 20Mhz MCS5 is
* sustainable, i.e. we're past the test window. We can't go back
* if MCS5 is just tested as this will happen always after switching
* to 20Mhz MCS4 because the rate stats are cleared.
*/
if ((tbl->rate.bw == RATE_MCS_CHAN_WIDTH_20) &&
(((tbl->rate.index == IWL_RATE_MCS_5_INDEX) &&
(scale_action == RS_ACTION_STAY)) ||
((tbl->rate.index > IWL_RATE_MCS_5_INDEX) &&
(scale_action == RS_ACTION_UPSCALE)))) {
tbl->rate.bw = RATE_MCS_CHAN_WIDTH_80;
tbl->rate.index = IWL_RATE_MCS_1_INDEX;
IWL_DEBUG_RATE(mvm, "Switch 20Mhz SISO MCS5 -> 80Mhz MCS1\n");
goto tweaked;
}
return false;
tweaked:
rs_set_expected_tpt_table(lq_sta, tbl);
rs_rate_scale_clear_tbl_windows(mvm, tbl);
return true;
}
static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
struct iwl_lq_sta *lq_sta,
struct ieee80211_sta *sta,
@ -2174,9 +2261,9 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
if ((fail_count < IWL_MVM_RS_RATE_MIN_FAILURE_TH) &&
(window->success_counter < IWL_MVM_RS_RATE_MIN_SUCCESS_TH)) {
IWL_DEBUG_RATE(mvm,
"(%s: %d): Test Window: succ %d total %d\n",
rs_pretty_lq_type(rate->type),
index, window->success_counter, window->counter);
"%s: Test Window: succ %d total %d\n",
rs_pretty_rate(rate),
window->success_counter, window->counter);
/* Can't calculate this yet; not enough history */
window->average_tpt = IWL_INVALID_VALUE;
@ -2253,8 +2340,8 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
high_tpt = tbl->win[high].average_tpt;
IWL_DEBUG_RATE(mvm,
"(%s: %d): cur_tpt %d SR %d low %d high %d low_tpt %d high_tpt %d\n",
rs_pretty_lq_type(rate->type), index, current_tpt, sr,
"%s: cur_tpt %d SR %d low %d high %d low_tpt %d high_tpt %d\n",
rs_pretty_rate(rate), current_tpt, sr,
low, high, low_tpt, high_tpt);
scale_action = rs_get_rate_action(mvm, tbl, sr, low, high,
@ -2305,6 +2392,8 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
/* Replace uCode's rate table for the destination station. */
if (update_lq) {
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_update_rate_tbl(mvm, sta, lq_sta, tbl);
}
@ -2542,7 +2631,6 @@ static struct rs_rate *rs_get_optimal_rate(struct iwl_mvm *mvm,
}
}
rs_dump_rate(mvm, rate, "OPTIMAL RATE");
return rate;
}

4
drivers/net/wireless/iwlwifi/mvm/rx.c
View File

@ -346,8 +346,8 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
/* This is fine since we don't support multiple AP interfaces */
sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
if (sta) {
struct iwl_mvm_sta *mvmsta;
mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&

80
drivers/net/wireless/iwlwifi/mvm/sta.c
View File

@ -234,7 +234,9 @@ static int iwl_mvm_tdls_sta_init(struct iwl_mvm *mvm,
/* Found a place for all queues - enable them */
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
iwl_mvm_enable_ac_txq(mvm, mvmsta->hw_queue[ac],
iwl_mvm_ac_to_tx_fifo[ac], wdg_timeout);
mvmsta->hw_queue[ac],
iwl_mvm_ac_to_tx_fifo[ac], 0,
wdg_timeout);
mvmsta->tfd_queue_msk |= BIT(mvmsta->hw_queue[ac]);
}
@ -253,7 +255,7 @@ static void iwl_mvm_tdls_sta_deinit(struct iwl_mvm *mvm,
/* disable the TDLS STA-specific queues */
sta_msk = mvmsta->tfd_queue_msk;
for_each_set_bit(i, &sta_msk, sizeof(sta_msk) * BITS_PER_BYTE)
iwl_mvm_disable_txq(mvm, i, 0);
iwl_mvm_disable_txq(mvm, i, i, 0, 0);
}
int iwl_mvm_add_sta(struct iwl_mvm *mvm,
@ -277,7 +279,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
if (vif->type == NL80211_IFTYPE_AP) {
mvmvif->ap_assoc_sta_count++;
iwl_mvm_mac_ctxt_cmd_ap(mvm, vif, FW_CTXT_ACTION_MODIFY);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
spin_lock_init(&mvm_sta->lock);
@ -292,7 +294,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
/* HW restart, don't assume the memory has been zeroed */
atomic_set(&mvm->pending_frames[sta_id], 0);
mvm_sta->tid_disable_agg = 0;
mvm_sta->tid_disable_agg = 0xffff; /* No aggs at first */
mvm_sta->tfd_queue_msk = 0;
/* allocate new queues for a TDLS station */
@ -472,7 +474,7 @@ void iwl_mvm_sta_drained_wk(struct work_struct *wk)
unsigned long i, msk = mvm->tfd_drained[sta_id];
for_each_set_bit(i, &msk, sizeof(msk) * BITS_PER_BYTE)
iwl_mvm_disable_txq(mvm, i, 0);
iwl_mvm_disable_txq(mvm, i, i, 0, 0);
mvm->tfd_drained[sta_id] = 0;
IWL_DEBUG_TDLS(mvm, "Drained sta %d, with queues %ld\n",
@ -651,8 +653,8 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm)
lockdep_assert_held(&mvm->mutex);
/* Map Aux queue to fifo - needs to happen before adding Aux station */
iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue,
IWL_MVM_TX_FIFO_MCAST, wdg_timeout);
iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, mvm->aux_queue,
IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout);
/* Allocate aux station and assign to it the aux queue */
ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, BIT(mvm->aux_queue),
@ -923,6 +925,7 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_mvm_tid_data *tid_data;
int txq_id;
int ret;
if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT))
return -EINVAL;
@ -935,17 +938,6 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
lockdep_assert_held(&mvm->mutex);
for (txq_id = mvm->first_agg_queue;
txq_id <= mvm->last_agg_queue; txq_id++)
if (mvm->queue_to_mac80211[txq_id] ==
IWL_INVALID_MAC80211_QUEUE)
break;
if (txq_id > mvm->last_agg_queue) {
IWL_ERR(mvm, "Failed to allocate agg queue\n");
return -EIO;
}
spin_lock_bh(&mvmsta->lock);
/* possible race condition - we entered D0i3 while starting agg */
@ -955,8 +947,18 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return -EIO;
}
/* the new tx queue is still connected to the same mac80211 queue */
mvm->queue_to_mac80211[txq_id] = vif->hw_queue[tid_to_mac80211_ac[tid]];
spin_lock_bh(&mvm->queue_info_lock);
txq_id = iwl_mvm_find_free_queue(mvm, mvm->first_agg_queue,
mvm->last_agg_queue);
if (txq_id < 0) {
ret = txq_id;
spin_unlock_bh(&mvm->queue_info_lock);
IWL_ERR(mvm, "Failed to allocate agg queue\n");
goto release_locks;
}
mvm->queue_info[txq_id].setup_reserved = true;
spin_unlock_bh(&mvm->queue_info_lock);
tid_data = &mvmsta->tid_data[tid];
tid_data->ssn = IEEE80211_SEQ_TO_SN(tid_data->seq_number);
@ -975,9 +977,12 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
tid_data->state = IWL_EMPTYING_HW_QUEUE_ADDBA;
}
ret = 0;
release_locks:
spin_unlock_bh(&mvmsta->lock);
return 0;
return ret;
}
int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
@ -1005,13 +1010,19 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
fifo = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
iwl_mvm_enable_agg_txq(mvm, queue, fifo, mvmsta->sta_id, tid,
buf_size, ssn, wdg_timeout);
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);
ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true);
if (ret)
return -EIO;
/* No need to mark as reserved */
spin_lock_bh(&mvm->queue_info_lock);
mvm->queue_info[queue].setup_reserved = false;
spin_unlock_bh(&mvm->queue_info_lock);
/*
* Even though in theory the peer could have different
* aggregation reorder buffer sizes for different sessions,
@ -1056,6 +1067,11 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvmsta->agg_tids &= ~BIT(tid);
/* No need to mark as reserved anymore */
spin_lock_bh(&mvm->queue_info_lock);
mvm->queue_info[txq_id].setup_reserved = false;
spin_unlock_bh(&mvm->queue_info_lock);
switch (tid_data->state) {
case IWL_AGG_ON:
tid_data->ssn = IEEE80211_SEQ_TO_SN(tid_data->seq_number);
@ -1073,14 +1089,15 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
tid_data->ssn = 0xffff;
tid_data->state = IWL_AGG_OFF;
mvm->queue_to_mac80211[txq_id] = IWL_INVALID_MAC80211_QUEUE;
spin_unlock_bh(&mvmsta->lock);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false);
iwl_mvm_disable_txq(mvm, txq_id, 0);
iwl_mvm_disable_txq(mvm, txq_id,
vif->hw_queue[tid_to_mac80211_ac[tid]], tid,
0);
return 0;
case IWL_AGG_STARTING:
case IWL_EMPTYING_HW_QUEUE_ADDBA:
@ -1091,7 +1108,6 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
/* No barriers since we are under mutex */
lockdep_assert_held(&mvm->mutex);
mvm->queue_to_mac80211[txq_id] = IWL_INVALID_MAC80211_QUEUE;
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
tid_data->state = IWL_AGG_OFF;
@ -1132,6 +1148,11 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvmsta->agg_tids &= ~BIT(tid);
spin_unlock_bh(&mvmsta->lock);
/* No need to mark as reserved */
spin_lock_bh(&mvm->queue_info_lock);
mvm->queue_info[txq_id].setup_reserved = false;
spin_unlock_bh(&mvm->queue_info_lock);
if (old_state >= IWL_AGG_ON) {
iwl_mvm_drain_sta(mvm, mvmsta, true);
if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true))
@ -1142,12 +1163,11 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false);
iwl_mvm_disable_txq(mvm, tid_data->txq_id, 0);
iwl_mvm_disable_txq(mvm, tid_data->txq_id,
vif->hw_queue[tid_to_mac80211_ac[tid]], tid,
0);
}
mvm->queue_to_mac80211[tid_data->txq_id] =
IWL_INVALID_MAC80211_QUEUE;
return 0;
}

1
drivers/net/wireless/iwlwifi/mvm/tof.c
View File

@ -185,6 +185,7 @@ int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm,
}
cmd->sta_id = mvmvif->bcast_sta.sta_id;
memcpy(cmd->bssid, vif->addr, ETH_ALEN);
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
0, sizeof(*cmd), cmd);

2
drivers/net/wireless/iwlwifi/mvm/tof.h
View File

@ -60,7 +60,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __tof
#ifndef __tof_h__
#define __tof_h__
#include "fw-api-tof.h"

14
drivers/net/wireless/iwlwifi/mvm/tt.c
View File

@ -176,17 +176,27 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
struct iwl_dts_measurement_cmd cmd = {
.flags = cpu_to_le32(DTS_TRIGGER_CMD_FLAGS_TEMP),
};
u32 cmdid;
return iwl_mvm_send_cmd_pdu(mvm, CMD_DTS_MEASUREMENT_TRIGGER, 0,
if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR))
cmdid = iwl_cmd_id(CMD_DTS_MEASUREMENT_TRIGGER_WIDE,
PHY_OPS_GROUP, 0);
else
cmdid = CMD_DTS_MEASUREMENT_TRIGGER;
return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0,
sizeof(cmd), &cmd);
}
int iwl_mvm_get_temp(struct iwl_mvm *mvm)
{
struct iwl_notification_wait wait_temp_notif;
static const u16 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION };
static u16 temp_notif[] = { WIDE_ID(PHY_OPS_GROUP,
DTS_MEASUREMENT_NOTIF_WIDE) };
int ret, temp;
if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR))
temp_notif[0] = DTS_MEASUREMENT_NOTIFICATION;
lockdep_assert_held(&mvm->mutex);
iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,

11
drivers/net/wireless/iwlwifi/mvm/tx.c
View File

@ -560,15 +560,10 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
IWL_DEBUG_TX_QUEUES(mvm,
"Can continue DELBA flow ssn = next_recl = %d\n",
tid_data->next_reclaimed);
iwl_mvm_disable_txq(mvm, tid_data->txq_id, CMD_ASYNC);
iwl_mvm_disable_txq(mvm, tid_data->txq_id,
vif->hw_queue[tid_to_mac80211_ac[tid]], tid,
CMD_ASYNC);
tid_data->state = IWL_AGG_OFF;
/*
* we can't hold the mutex - but since we are after a sequence
* point (call to iwl_mvm_disable_txq(), so we don't even need
* a memory barrier.
*/
mvm->queue_to_mac80211[tid_data->txq_id] =
IWL_INVALID_MAC80211_QUEUE;
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;

146
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@ -7,6 +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
*
* 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
@ -657,34 +658,143 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
if (mvm->support_umac_log)
iwl_mvm_dump_umac_error_log(mvm);
}
void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
const struct iwl_trans_txq_scd_cfg *cfg,
unsigned int wdg_timeout)
{
struct iwl_scd_txq_cfg_cmd cmd = {
.scd_queue = queue,
.enable = 1,
.window = cfg->frame_limit,
.sta_id = cfg->sta_id,
.ssn = cpu_to_le16(ssn),
.tx_fifo = cfg->fifo,
.aggregate = cfg->aggregate,
.tid = cfg->tid,
};
iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL, wdg_timeout);
WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), &cmd),
"Failed to configure queue %d on FIFO %d\n", queue, cfg->fifo);
int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq)
{
int i;
lockdep_assert_held(&mvm->queue_info_lock);
for (i = minq; i <= maxq; i++)
if (mvm->queue_info[i].hw_queue_refcount == 0 &&
!mvm->queue_info[i].setup_reserved)
return i;
return -ENOSPC;
}
void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags)
void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
unsigned int wdg_timeout)
{
bool enable_queue = true;
spin_lock_bh(&mvm->queue_info_lock);
/* Make sure this TID isn't already enabled */
if (mvm->queue_info[queue].tid_bitmap & BIT(cfg->tid)) {
spin_unlock_bh(&mvm->queue_info_lock);
IWL_ERR(mvm, "Trying to enable TXQ with existing TID %d\n",
cfg->tid);
return;
}
/* Update mappings and refcounts */
mvm->queue_info[queue].hw_queue_to_mac80211 |= BIT(mac80211_queue);
mvm->queue_info[queue].hw_queue_refcount++;
if (mvm->queue_info[queue].hw_queue_refcount > 1)
enable_queue = false;
mvm->queue_info[queue].tid_bitmap |= BIT(cfg->tid);
IWL_DEBUG_TX_QUEUES(mvm,
"Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
queue, mvm->queue_info[queue].hw_queue_refcount,
mvm->queue_info[queue].hw_queue_to_mac80211);
spin_unlock_bh(&mvm->queue_info_lock);
/* Send the enabling command if we need to */
if (enable_queue) {
struct iwl_scd_txq_cfg_cmd cmd = {
.scd_queue = queue,
.enable = 1,
.window = cfg->frame_limit,
.sta_id = cfg->sta_id,
.ssn = cpu_to_le16(ssn),
.tx_fifo = cfg->fifo,
.aggregate = cfg->aggregate,
.tid = cfg->tid,
};
iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL,
wdg_timeout);
WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd),
&cmd),
"Failed to configure queue %d on FIFO %d\n", queue,
cfg->fifo);
}
}
void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
u8 tid, u8 flags)
{
struct iwl_scd_txq_cfg_cmd cmd = {
.scd_queue = queue,
.enable = 0,
};
bool remove_mac_queue = true;
int ret;
spin_lock_bh(&mvm->queue_info_lock);
if (WARN_ON(mvm->queue_info[queue].hw_queue_refcount == 0)) {
spin_unlock_bh(&mvm->queue_info_lock);
return;
}
mvm->queue_info[queue].tid_bitmap &= ~BIT(tid);
/*
* If there is another TID with the same AC - don't remove the MAC queue
* from the mapping
*/
if (tid < IWL_MAX_TID_COUNT) {
unsigned long tid_bitmap =
mvm->queue_info[queue].tid_bitmap;
int ac = tid_to_mac80211_ac[tid];
int i;
for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT) {
if (tid_to_mac80211_ac[i] == ac)
remove_mac_queue = false;
}
}
if (remove_mac_queue)
mvm->queue_info[queue].hw_queue_to_mac80211 &=
~BIT(mac80211_queue);
mvm->queue_info[queue].hw_queue_refcount--;
cmd.enable = mvm->queue_info[queue].hw_queue_refcount ? 1 : 0;
IWL_DEBUG_TX_QUEUES(mvm,
"Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
queue,
mvm->queue_info[queue].hw_queue_refcount,
mvm->queue_info[queue].hw_queue_to_mac80211);
/* If the queue is still enabled - nothing left to do in this func */
if (cmd.enable) {
spin_unlock_bh(&mvm->queue_info_lock);
return;
}
/* Make sure queue info is correct even though we overwrite it */
WARN(mvm->queue_info[queue].hw_queue_refcount ||
mvm->queue_info[queue].tid_bitmap ||
mvm->queue_info[queue].hw_queue_to_mac80211,
"TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n",
queue, mvm->queue_info[queue].hw_queue_refcount,
mvm->queue_info[queue].hw_queue_to_mac80211,
mvm->queue_info[queue].tid_bitmap);
/* If we are here - the queue is freed and we can zero out these vals */
mvm->queue_info[queue].hw_queue_refcount = 0;
mvm->queue_info[queue].tid_bitmap = 0;
mvm->queue_info[queue].hw_queue_to_mac80211 = 0;
spin_unlock_bh(&mvm->queue_info_lock);
iwl_trans_txq_disable(mvm->trans, queue, false);
ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, flags,
sizeof(cmd), &cmd);