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core.c
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core.c
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/*
* Copyright (C) 2006-2018, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*/
/* Description: This file implements core layer related functions. */
#include <linux/etherdevice.h>
#include "sysadpt.h"
#include "core.h"
#include "vendor_cmd.h"
#include "thermal.h"
#include "debugfs.h"
#include "hif/fwcmd.h"
#include "hif/hif-ops.h"
#define CMD_BUF_SIZE 0x4000
#define INVALID_WATCHDOG 0xAA
static const struct ieee80211_channel mwl_channels_24[] = {
{ .band = NL80211_BAND_2GHZ, .center_freq = 2412, .hw_value = 1, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2417, .hw_value = 2, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2422, .hw_value = 3, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2427, .hw_value = 4, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2432, .hw_value = 5, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2437, .hw_value = 6, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2442, .hw_value = 7, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2447, .hw_value = 8, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2452, .hw_value = 9, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2457, .hw_value = 10, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2462, .hw_value = 11, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2467, .hw_value = 12, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2472, .hw_value = 13, },
{ .band = NL80211_BAND_2GHZ, .center_freq = 2484, .hw_value = 14, },
};
static const struct ieee80211_rate mwl_rates_24[] = {
{ .bitrate = 10, .hw_value = 2, },
{ .bitrate = 20, .hw_value = 4, },
{ .bitrate = 55, .hw_value = 11, },
{ .bitrate = 110, .hw_value = 22, },
{ .bitrate = 220, .hw_value = 44, },
{ .bitrate = 60, .hw_value = 12, },
{ .bitrate = 90, .hw_value = 18, },
{ .bitrate = 120, .hw_value = 24, },
{ .bitrate = 180, .hw_value = 36, },
{ .bitrate = 240, .hw_value = 48, },
{ .bitrate = 360, .hw_value = 72, },
{ .bitrate = 480, .hw_value = 96, },
{ .bitrate = 540, .hw_value = 108, },
};
static const struct ieee80211_channel mwl_channels_50[] = {
{ .band = NL80211_BAND_5GHZ, .center_freq = 5180, .hw_value = 36, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5200, .hw_value = 40, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5220, .hw_value = 44, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5240, .hw_value = 48, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5260, .hw_value = 52, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5280, .hw_value = 56, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5300, .hw_value = 60, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5320, .hw_value = 64, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5500, .hw_value = 100, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5520, .hw_value = 104, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5540, .hw_value = 108, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5560, .hw_value = 112, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5580, .hw_value = 116, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5600, .hw_value = 120, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5620, .hw_value = 124, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5640, .hw_value = 128, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5660, .hw_value = 132, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5680, .hw_value = 136, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5700, .hw_value = 140, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5720, .hw_value = 144, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5745, .hw_value = 149, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5765, .hw_value = 153, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5785, .hw_value = 157, },
{ .band = NL80211_BAND_5GHZ, .center_freq = 5805, .hw_value = 161, },
};
static const struct ieee80211_rate mwl_rates_50[] = {
{ .bitrate = 60, .hw_value = 12, },
{ .bitrate = 90, .hw_value = 18, },
{ .bitrate = 120, .hw_value = 24, },
{ .bitrate = 180, .hw_value = 36, },
{ .bitrate = 240, .hw_value = 48, },
{ .bitrate = 360, .hw_value = 72, },
{ .bitrate = 480, .hw_value = 96, },
{ .bitrate = 540, .hw_value = 108, },
};
static const u32 cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
/* Do not add hardware supported ciphers before this line.
* Allow software encryption for all chips. Don't forget to
* update n_cipher_suites below.
*/
WLAN_CIPHER_SUITE_AES_CMAC,
};
static const struct ieee80211_iface_limit ap_if_limits[] = {
{ .max = SYSADPT_NUM_OF_AP, .types = BIT(NL80211_IFTYPE_AP) },
#if defined(CPTCFG_MAC80211_MESH) || defined(CONFIG_MAC80211_MESH)
{ .max = SYSADPT_NUM_OF_MESH, .types = BIT(NL80211_IFTYPE_MESH_POINT) },
#endif
{ .max = SYSADPT_NUM_OF_CLIENT, .types = BIT(NL80211_IFTYPE_STATION) },
};
static const struct ieee80211_iface_combination ap_if_comb = {
.limits = ap_if_limits,
.n_limits = ARRAY_SIZE(ap_if_limits),
.max_interfaces = SYSADPT_NUM_OF_AP,
.num_different_channels = 1,
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
BIT(NL80211_CHAN_WIDTH_80) |
BIT(NL80211_CHAN_WIDTH_160),
};
struct region_code_mapping {
const char *alpha2;
u32 region_code;
};
static const struct region_code_mapping regmap[] = {
{"US", 0x10}, /* US FCC */
{"CA", 0x20}, /* Canada */
{"FR", 0x30}, /* France */
{"ES", 0x31}, /* Spain */
{"FR", 0x32}, /* France */
{"JP", 0x40}, /* Japan */
{"TW", 0x80}, /* Taiwan */
{"AU", 0x81}, /* Australia */
{"CN", 0x90}, /* China (Asia) */
};
static int mwl_prepare_cmd_buf(struct mwl_priv *priv)
{
priv->pcmd_buf =
(unsigned short *)dmam_alloc_coherent(priv->dev,
CMD_BUF_SIZE,
&priv->pphys_cmd_buf,
GFP_KERNEL);
if (!priv->pcmd_buf) {
wiphy_err(priv->hw->wiphy,
"cannot alloc memory for command buffer\n");
goto err;
}
wiphy_debug(priv->hw->wiphy,
"priv->pcmd_buf = %p priv->pphys_cmd_buf = %p\n",
priv->pcmd_buf,
(void *)priv->pphys_cmd_buf);
memset(priv->pcmd_buf, 0x00, CMD_BUF_SIZE);
return 0;
err:
wiphy_err(priv->hw->wiphy, "command buffer alloc fail\n");
return -EIO;
}
static int mwl_init_firmware(struct mwl_priv *priv, const char *fw_name,
const char *cal_name, const char *txpwrlmt_name)
{
int rc = 0;
rc = request_firmware((const struct firmware **)&priv->fw_ucode,
fw_name, priv->dev);
if (rc) {
wiphy_err(priv->hw->wiphy,
"cannot find firmware image <%s>\n", fw_name);
goto err_load_fw;
}
rc = mwl_hif_download_firmware(priv->hw);
if (rc) {
wiphy_err(priv->hw->wiphy,
"cannot download firmware image <%s>\n", fw_name);
goto err_download_fw;
}
if (cal_name) {
if ((request_firmware((const struct firmware **)&priv->cal_data,
cal_name, priv->dev)) < 0)
wiphy_debug(priv->hw->wiphy,
"cannot find calibtration data\n");
}
if (txpwrlmt_name) {
if ((request_firmware(
(const struct firmware **)&priv->txpwrlmt_file,
txpwrlmt_name, priv->dev)) < 0)
wiphy_debug(priv->hw->wiphy,
"cannot find tx power limit data\n");
}
return rc;
err_download_fw:
release_firmware(priv->fw_ucode);
err_load_fw:
wiphy_err(priv->hw->wiphy, "firmware init fail\n");
return rc;
}
static void mwl_process_of_dts(struct mwl_priv *priv)
{
#ifdef CONFIG_OF
struct property *prop;
u32 prop_value;
priv->dt_node =
of_find_node_by_name(mwl_hif_device_node(priv->hw),
"mwlwifi");
if (!priv->dt_node)
return;
/* look for all matching property names */
for_each_property_of_node(priv->dt_node, prop) {
if (strcmp(prop->name, "marvell,2ghz") == 0)
priv->disable_2g = true;
if (strcmp(prop->name, "marvell,5ghz") == 0)
priv->disable_5g = true;
if (strcmp(prop->name, "marvell,chainmask") == 0) {
prop_value = be32_to_cpu(*((__be32 *)prop->value));
if (prop_value == 2)
priv->antenna_tx = ANTENNA_TX_2;
else if (prop_value == 3)
priv->antenna_tx = ANTENNA_TX_3;
prop_value = be32_to_cpu(*((__be32 *)
(prop->value + 4)));
if (prop_value == 2)
priv->antenna_rx = ANTENNA_RX_2;
else if (prop_value == 3)
priv->antenna_rx = ANTENNA_RX_3;
}
}
priv->pwr_node = of_find_node_by_name(priv->dt_node,
"marvell,powertable");
#endif
}
static void mwl_reg_notifier(struct wiphy *wiphy,
struct regulatory_request *request)
{
struct ieee80211_hw *hw;
struct mwl_priv *priv;
#ifdef CONFIG_OF
struct property *prop;
struct property *fcc_prop = NULL;
struct property *etsi_prop = NULL;
struct property *specific_prop = NULL;
u32 prop_value;
int i, j, k;
#endif
hw = wiphy_to_ieee80211_hw(wiphy);
priv = hw->priv;
if (priv->forbidden_setting) {
if (!priv->regulatory_set) {
regulatory_hint(wiphy, priv->fw_alpha2);
priv->regulatory_set = true;
} else {
if (memcmp(priv->fw_alpha2, request->alpha2, 2))
regulatory_hint(wiphy, priv->fw_alpha2);
}
return;
}
priv->dfs_region = request->dfs_region;
#ifdef CONFIG_OF
if ((priv->chip_type != MWL8997) && (priv->pwr_node)) {
for_each_property_of_node(priv->pwr_node, prop) {
if (strcmp(prop->name, "FCC") == 0)
fcc_prop = prop;
if (strcmp(prop->name, "ETSI") == 0)
etsi_prop = prop;
if ((prop->name[0] == request->alpha2[0]) &&
(prop->name[1] == request->alpha2[1]))
specific_prop = prop;
}
prop = NULL;
if (specific_prop) {
prop = specific_prop;
} else {
if (priv->dfs_region == NL80211_DFS_ETSI)
prop = etsi_prop;
else
prop = fcc_prop;
}
if (prop) {
/* Reset the whole table */
for (i = 0; i < SYSADPT_MAX_NUM_CHANNELS; i++)
memset(&priv->tx_pwr_tbl[i], 0,
sizeof(struct mwl_tx_pwr_tbl));
/* Load related power table */
i = 0;
j = 0;
while (i < prop->length) {
prop_value =
be32_to_cpu(*(__be32 *)
(prop->value + i));
priv->tx_pwr_tbl[j].channel = prop_value;
i += 4;
prop_value =
be32_to_cpu(*(__be32 *)
(prop->value + i));
priv->tx_pwr_tbl[j].setcap = prop_value;
i += 4;
for (k = 0; k < SYSADPT_TX_POWER_LEVEL_TOTAL;
k++) {
prop_value =
be32_to_cpu(*(__be32 *)
(prop->value + i));
priv->tx_pwr_tbl[j].tx_power[k] =
prop_value;
i += 4;
}
prop_value =
be32_to_cpu(*(__be32 *)
(prop->value + i));
priv->tx_pwr_tbl[j].cdd =
(prop_value == 0) ? false : true;
i += 4;
prop_value =
be32_to_cpu(*(__be32 *)
(prop->value + i));
priv->tx_pwr_tbl[j].txantenna2 = prop_value;
i += 4;
j++;
}
/* Dump loaded power tabel */
wiphy_debug(hw->wiphy, "regdomain: %s\n", prop->name);
for (i = 0; i < SYSADPT_MAX_NUM_CHANNELS; i++) {
struct mwl_tx_pwr_tbl *pwr_tbl;
char disp_buf[64];
char *disp_ptr;
pwr_tbl = &priv->tx_pwr_tbl[i];
if (pwr_tbl->channel == 0)
break;
wiphy_debug(hw->wiphy,
"Channel: %d: 0x%x 0x%x 0x%x\n",
pwr_tbl->channel,
pwr_tbl->setcap,
pwr_tbl->cdd,
pwr_tbl->txantenna2);
disp_ptr = disp_buf;
for (j = 0; j < SYSADPT_TX_POWER_LEVEL_TOTAL;
j++) {
disp_ptr +=
sprintf(disp_ptr, "%x ",
pwr_tbl->tx_power[j]);
}
wiphy_debug(hw->wiphy, "%s\n", disp_buf);
}
}
}
#endif
}
static void mwl_regd_init(struct mwl_priv *priv)
{
u8 region_code;
int rc;
int i;
/* hook regulatory domain change notification */
priv->hw->wiphy->reg_notifier = mwl_reg_notifier;
if (priv->chip_type == MWL8964)
rc = mwl_fwcmd_get_pwr_tbl_sc4(priv->hw,
&priv->device_pwr_tbl[0],
®ion_code,
&priv->number_of_channels,
0);
else
rc = mwl_fwcmd_get_device_pwr_tbl(priv->hw,
&priv->device_pwr_tbl[0],
®ion_code,
&priv->number_of_channels,
0);
if (rc)
return;
priv->forbidden_setting = true;
for (i = 1; i < priv->number_of_channels; i++) {
if (priv->chip_type == MWL8964)
mwl_fwcmd_get_pwr_tbl_sc4(priv->hw,
&priv->device_pwr_tbl[i],
®ion_code,
&priv->number_of_channels,
i);
else
mwl_fwcmd_get_device_pwr_tbl(priv->hw,
&priv->device_pwr_tbl[i],
®ion_code,
&priv->number_of_channels,
i);
}
for (i = 0; i < ARRAY_SIZE(regmap); i++)
if (regmap[i].region_code == priv->fw_region_code) {
memcpy(priv->fw_alpha2, regmap[i].alpha2, 2);
break;
}
}
static void mwl_set_ht_caps(struct mwl_priv *priv,
struct ieee80211_supported_band *band)
{
struct ieee80211_hw *hw;
const u8 ant_rx_no[ANTENNA_RX_MAX] = { 3, 1, 2, 3};
int i;
hw = priv->hw;
band->ht_cap.ht_supported = 1;
if (priv->chip_type == MWL8964)
band->ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
band->ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
band->ht_cap.cap |= IEEE80211_HT_CAP_SM_PS;
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
if ((priv->chip_type == MWL8997) &&
(priv->antenna_tx != ANTENNA_TX_1)) {
band->ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
band->ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
}
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
for (i = 0; i < ant_rx_no[priv->antenna_rx]; i++)
band->ht_cap.mcs.rx_mask[i] = 0xff;
band->ht_cap.mcs.rx_mask[4] = 0x01;
band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
if (priv->antenna_tx == ANTENNA_TX_1)
band->ht_cap.mcs.rx_highest = cpu_to_le16(150);
if (priv->antenna_tx == ANTENNA_TX_2)
band->ht_cap.mcs.rx_highest = cpu_to_le16(300);
if (priv->antenna_tx == ANTENNA_TX_4_AUTO)
band->ht_cap.mcs.rx_highest = cpu_to_le16(450);
}
static void mwl_set_vht_caps(struct mwl_priv *priv,
struct ieee80211_supported_band *band)
{
u32 antenna_num = 4;
__le16 highest;
band->vht_cap.vht_supported = 1;
if (priv->chip_type == MWL8964) {
band->vht_cap.cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
} else
band->vht_cap.cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895;
band->vht_cap.cap |= IEEE80211_VHT_CAP_RXLDPC;
band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
band->vht_cap.cap |= IEEE80211_VHT_CAP_RXSTBC_1;
if (priv->antenna_tx != ANTENNA_TX_1) {
band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
if (priv->chip_type == MWL8964)
band->vht_cap.cap |=
IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
}
band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
if (priv->chip_type == MWL8964)
band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
band->vht_cap.cap |= IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
band->vht_cap.cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN;
band->vht_cap.cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
if (priv->chip_type == MWL8997) {
if (priv->antenna_tx != ANTENNA_TX_1)
band->vht_cap.cap |= IEEE80211_VHT_CAP_TXSTBC;
}
if (priv->antenna_rx == ANTENNA_RX_1)
band->vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(0xfffe);
else if (priv->antenna_rx == ANTENNA_RX_2)
band->vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(0xfffa);
else
band->vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(0xffea);
if (priv->antenna_tx == ANTENNA_TX_1) {
band->vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(0xfffe);
antenna_num = 1;
highest = cpu_to_le16(390);
} else if (priv->antenna_tx == ANTENNA_TX_2) {
band->vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(0xfffa);
antenna_num = 2;
highest = cpu_to_le16(780);
} else {
band->vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(0xffea);
highest = cpu_to_le16(1170);
}
band->vht_cap.vht_mcs.rx_highest = highest;
band->vht_cap.vht_mcs.tx_highest = highest;
if (band->vht_cap.cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
band->vht_cap.cap |=
((antenna_num - 1) <<
IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) &
IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
}
if (band->vht_cap.cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
band->vht_cap.cap |=
((antenna_num - 1) <<
IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) &
IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
}
}
static void mwl_set_caps(struct mwl_priv *priv)
{
struct ieee80211_hw *hw;
hw = priv->hw;
/* set up band information for 2.4G */
if (!priv->disable_2g) {
BUILD_BUG_ON(sizeof(priv->channels_24) !=
sizeof(mwl_channels_24));
memcpy(priv->channels_24, mwl_channels_24,
sizeof(mwl_channels_24));
BUILD_BUG_ON(sizeof(priv->rates_24) != sizeof(mwl_rates_24));
memcpy(priv->rates_24, mwl_rates_24, sizeof(mwl_rates_24));
priv->band_24.band = NL80211_BAND_2GHZ;
priv->band_24.channels = priv->channels_24;
priv->band_24.n_channels = ARRAY_SIZE(mwl_channels_24);
priv->band_24.bitrates = priv->rates_24;
priv->band_24.n_bitrates = ARRAY_SIZE(mwl_rates_24);
mwl_set_ht_caps(priv, &priv->band_24);
mwl_set_vht_caps(priv, &priv->band_24);
hw->wiphy->bands[NL80211_BAND_2GHZ] = &priv->band_24;
}
/* set up band information for 5G */
if (!priv->disable_5g) {
BUILD_BUG_ON(sizeof(priv->channels_50) !=
sizeof(mwl_channels_50));
memcpy(priv->channels_50, mwl_channels_50,
sizeof(mwl_channels_50));
BUILD_BUG_ON(sizeof(priv->rates_50) != sizeof(mwl_rates_50));
memcpy(priv->rates_50, mwl_rates_50, sizeof(mwl_rates_50));
priv->band_50.band = NL80211_BAND_5GHZ;
priv->band_50.channels = priv->channels_50;
priv->band_50.n_channels = ARRAY_SIZE(mwl_channels_50);
priv->band_50.bitrates = priv->rates_50;
priv->band_50.n_bitrates = ARRAY_SIZE(mwl_rates_50);
mwl_set_ht_caps(priv, &priv->band_50);
mwl_set_vht_caps(priv, &priv->band_50);
hw->wiphy->bands[NL80211_BAND_5GHZ] = &priv->band_50;
}
}
static void mwl_heartbeat_handle(struct work_struct *work)
{
struct mwl_priv *priv =
container_of(work, struct mwl_priv, heartbeat_handle);
u32 val;
mwl_fwcmd_get_addr_value(priv->hw, 0, 1, &val, 0);
priv->heartbeating = false;
}
static void mwl_watchdog_ba_events(struct work_struct *work)
{
int rc;
u8 bitmap = 0, stream_index;
struct mwl_ampdu_stream *streams;
struct mwl_priv *priv =
container_of(work, struct mwl_priv, watchdog_ba_handle);
rc = mwl_fwcmd_get_watchdog_bitmap(priv->hw, &bitmap);
if (rc)
return;
spin_lock_bh(&priv->stream_lock);
/* the bitmap is the hw queue number. Map it to the ampdu queue. */
if (bitmap != INVALID_WATCHDOG) {
if (bitmap == priv->ampdu_num)
stream_index = 0;
else if (bitmap > priv->ampdu_num)
stream_index = bitmap - priv->ampdu_num;
else
stream_index = bitmap + 3; /** queue 0 is stream 3*/
if (bitmap != 0xFF) {
/* Check if the stream is in use before disabling it */
streams = &priv->ampdu[stream_index];
if (streams->state == AMPDU_STREAM_ACTIVE)
ieee80211_stop_tx_ba_session(streams->sta,
streams->tid);
} else {
for (stream_index = 0;
stream_index < priv->ampdu_num;
stream_index++) {
streams = &priv->ampdu[stream_index];
if (streams->state != AMPDU_STREAM_ACTIVE)
continue;
ieee80211_stop_tx_ba_session(streams->sta,
streams->tid);
}
}
}
spin_unlock_bh(&priv->stream_lock);
}
static void mwl_account_handle(struct work_struct *work)
{
struct mwl_priv *priv =
container_of(work, struct mwl_priv, account_handle);
mwl_hif_process_account(priv->hw);
}
static void mwl_wds_check_handle(struct work_struct *work)
{
struct mwl_priv *priv =
container_of(work, struct mwl_priv, wds_check_handle);
struct mwl_sta *sta_info;
struct ieee80211_sta *sta;
bool wds_sta = false;
spin_lock_bh(&priv->sta_lock);
list_for_each_entry(sta_info, &priv->sta_list, list) {
if (sta_info->wds)
continue;
sta = container_of((void *)sta_info, struct ieee80211_sta,
drv_priv);
if (ether_addr_equal(sta->addr, priv->wds_check_sta)) {
wds_sta = true;
break;
}
}
spin_unlock_bh(&priv->sta_lock);
if (wds_sta) {
mwl_fwcmd_set_new_stn_wds_sc4(priv->hw, sta->addr);
sta_info->wds = true;
}
priv->wds_check = false;
}
static void mwl_chnl_switch_event(struct work_struct *work)
{
struct mwl_priv *priv =
container_of(work, struct mwl_priv, chnl_switch_handle);
struct mwl_vif *mwl_vif;
struct ieee80211_vif *vif;
if (!priv->csa_active) {
wiphy_err(priv->hw->wiphy,
"csa is not active (got channel switch event)\n");
return;
}
spin_lock_bh(&priv->vif_lock);
list_for_each_entry(mwl_vif, &priv->vif_list, list) {
vif = container_of((void *)mwl_vif, struct ieee80211_vif,
drv_priv);
if (vif->csa_active)
ieee80211_csa_finish(vif);
}
spin_unlock_bh(&priv->vif_lock);
wiphy_info(priv->hw->wiphy, "channel switch is done\n");
priv->csa_active = false;
}
static irqreturn_t mwl_isr(int irq, void *dev_id)
{
struct ieee80211_hw *hw = dev_id;
return mwl_hif_irq_handler(hw);
}
#ifdef timer_setup
static void timer_routine(struct timer_list *t)
{
struct mwl_priv *priv = from_timer(priv, t, period_timer);
struct ieee80211_hw *hw = priv->hw;
#else
static void timer_routine(unsigned long data)
{
struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
struct mwl_priv *priv = hw->priv;
#endif
if (priv->heartbeat) {
if ((jiffies - priv->pre_jiffies) >=
msecs_to_jiffies(priv->heartbeat * 1000)) {
if (!priv->heartbeating) {
priv->heartbeating = true;
ieee80211_queue_work(hw,
&priv->heartbeat_handle);
}
priv->pre_jiffies = jiffies;
}
}
mwl_hif_timer_routine(hw);
mod_timer(&priv->period_timer, jiffies +
msecs_to_jiffies(SYSADPT_TIMER_WAKEUP_TIME));
}
static int mwl_wl_init(struct mwl_priv *priv)
{
struct ieee80211_hw *hw = priv->hw;
int rc;
u16 addr_num;
struct mac_address *mac_addr;
u8 last_nibble;
hw->extra_tx_headroom = mwl_hif_get_tx_head_room(hw);
hw->queues = SYSADPT_TX_WMM_QUEUES;
/* Set rssi values to dBm */
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
/* Ask mac80211 not to trigger PS mode
* based on PM bit of incoming frames.
*/
ieee80211_hw_set(hw, AP_LINK_PS);
ieee80211_hw_set(hw, SUPPORTS_PER_STA_GTK);
ieee80211_hw_set(hw, MFP_CAPABLE);
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
hw->wiphy->cipher_suites = cipher_suites;
hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
hw->vif_data_size = sizeof(struct mwl_vif);
hw->sta_data_size = sizeof(struct mwl_sta);
priv->ap_macids_supported = 0x0000ffff;
priv->sta_macids_supported = 0x00010000;
priv->macids_used = 0;
INIT_LIST_HEAD(&priv->vif_list);
INIT_LIST_HEAD(&priv->sta_list);
/* Set default radio state, preamble and wmm */
priv->noise = -104;
priv->radio_on = false;
priv->radio_short_preamble = false;
priv->wmm_enabled = false;
priv->powinited = 0;
priv->wds_check = false;
if (priv->chip_type == MWL8997)
priv->pwr_level = SYSADPT_TX_GRP_PWR_LEVEL_TOTAL;
else
priv->pwr_level = SYSADPT_TX_POWER_LEVEL_TOTAL;
priv->dfs_test = false;
priv->csa_active = false;
priv->dfs_chirp_count_min = 5;
priv->dfs_chirp_time_interval = 1000;
priv->dfs_pw_filter = 0;
priv->dfs_min_num_radar = 5;
priv->dfs_min_pri_count = 4;
priv->bf_type = TXBF_MODE_AUTO;
/* Handle watchdog ba events */
INIT_WORK(&priv->heartbeat_handle, mwl_heartbeat_handle);
INIT_WORK(&priv->watchdog_ba_handle, mwl_watchdog_ba_events);
INIT_WORK(&priv->account_handle, mwl_account_handle);
INIT_WORK(&priv->wds_check_handle, mwl_wds_check_handle);
INIT_WORK(&priv->chnl_switch_handle, mwl_chnl_switch_event);
mutex_init(&priv->fwcmd_mutex);
spin_lock_init(&priv->vif_lock);
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->stream_lock);
spin_lock_init(&priv->stnid_lock);
rc = mwl_thermal_register(priv);
if (rc) {
wiphy_err(hw->wiphy, "fail to register thermal framework\n");
goto err_thermal_register;
}
rc = mwl_hif_init(hw);
if (rc) {
wiphy_err(hw->wiphy, "fail to initialize host interface\n");
goto err_hif_init;
}
SET_IEEE80211_PERM_ADDR(hw, priv->hw_data.mac_addr);
if (priv->chip_type == MWL8964) {
addr_num = SYSADPT_NUM_OF_AP + SYSADPT_NUM_OF_CLIENT;
hw->wiphy->n_addresses = addr_num;
hw->wiphy->addresses =
kzalloc(addr_num * sizeof(*mac_addr), GFP_KERNEL);
mac_addr = &hw->wiphy->addresses[0];
ether_addr_copy(mac_addr->addr, priv->hw_data.mac_addr);
last_nibble = mac_addr->addr[5] & 0x0F;
for (addr_num = 0; addr_num < SYSADPT_NUM_OF_AP; addr_num++) {
mac_addr = &hw->wiphy->addresses[addr_num + 1];
ether_addr_copy(mac_addr->addr, priv->hw_data.mac_addr);
if (!strcmp(wiphy_name(hw->wiphy), "phy0")) {
last_nibble++;
if (last_nibble == 0x10)
last_nibble = 0;
} else {
last_nibble--;
if (last_nibble == 0xFF)
last_nibble = 0x0F;
}
mac_addr->addr[5] =
(mac_addr->addr[5] & 0xF0) | last_nibble;
mac_addr->addr[0] |= 0x2;
}
}
wiphy_info(hw->wiphy,
"firmware version: 0x%x\n", priv->hw_data.fw_release_num);
if (priv->chip_type == MWL8997) {
mwl_fwcmd_set_cfg_data(hw, 2);
mwl_fwcmd_set_txpwrlmt_cfg_data(hw);
mwl_fwcmd_get_txpwrlmt_cfg_data(hw);
}
if (priv->chip_type == MWL8964)
rc = mwl_fwcmd_get_fw_region_code_sc4(hw,
&priv->fw_region_code);
else
rc = mwl_fwcmd_get_fw_region_code(hw, &priv->fw_region_code);
if (!rc) {
priv->fw_device_pwrtbl = true;
mwl_regd_init(priv);
wiphy_info(hw->wiphy,
"firmware region code: %x\n", priv->fw_region_code);
}
if (priv->chip_type == MWL8997)
mwl_fwcmd_dump_otp_data(hw);
mwl_fwcmd_radio_disable(hw);
mwl_fwcmd_rf_antenna(hw, WL_ANTENNATYPE_TX, priv->antenna_tx);
mwl_fwcmd_rf_antenna(hw, WL_ANTENNATYPE_RX, priv->antenna_rx);
hw->wiphy->interface_modes = 0;
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP);
#if defined(CPTCFG_MAC80211_MESH) || defined(CONFIG_MAC80211_MESH)
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MESH_POINT);
#endif
hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION);
hw->wiphy->iface_combinations = &ap_if_comb;
hw->wiphy->n_iface_combinations = 1;
if (priv->antenna_tx == ANTENNA_TX_1) {
hw->wiphy->available_antennas_rx = 0x1;
hw->wiphy->available_antennas_tx = 0x1;
} else if (priv->antenna_tx == ANTENNA_TX_2) {
hw->wiphy->available_antennas_rx = 0x2;
hw->wiphy->available_antennas_tx = 0x2;
} else {
hw->wiphy->available_antennas_rx = 0x4;
hw->wiphy->available_antennas_tx = 0x4;
}
mwl_set_caps(priv);
priv->led_blink_enable = 1;
priv->led_blink_rate = LED_BLINK_RATE_MID;
mwl_fwcmd_led_ctrl(hw, priv->led_blink_enable, priv->led_blink_rate);
vendor_cmd_register(hw->wiphy);
rc = ieee80211_register_hw(hw);
if (rc) {
wiphy_err(hw->wiphy, "fail to register device\n");
goto err_register_hw;
}
priv->irq = mwl_hif_get_irq_num(hw);
rc = request_irq(priv->irq, mwl_isr, IRQF_SHARED,
mwl_hif_get_driver_name(hw), hw);
if (rc) {
priv->irq = -1;
wiphy_err(hw->wiphy, "fail to register IRQ handler\n");
goto err_register_irq;
}
#ifdef timer_setup
timer_setup(&priv->period_timer, timer_routine, 0);
#else
setup_timer(&priv->period_timer, timer_routine, (unsigned long)hw);
#endif
mod_timer(&priv->period_timer, jiffies +
msecs_to_jiffies(SYSADPT_TIMER_WAKEUP_TIME));
priv->jiffies_ampdu = jiffies;
return rc;
err_register_hw:
err_register_irq:
mwl_hif_deinit(hw);
err_hif_init:
err_thermal_register:
wiphy_err(hw->wiphy, "init fail\n");
return rc;
}
static void mwl_wl_deinit(struct mwl_priv *priv)
{
struct ieee80211_hw *hw = priv->hw;
del_timer_sync(&priv->period_timer);
if (priv->irq != -1) {
free_irq(priv->irq, hw);
priv->irq = -1;
}
if (priv->chip_type == MWL8964)
kfree(hw->wiphy->addresses);
ieee80211_unregister_hw(hw);
mwl_thermal_unregister(priv);
cancel_work_sync(&priv->chnl_switch_handle);
cancel_work_sync(&priv->account_handle);
cancel_work_sync(&priv->wds_check_handle);
cancel_work_sync(&priv->watchdog_ba_handle);
cancel_work_sync(&priv->heartbeat_handle);
mwl_hif_deinit(hw);
}
struct ieee80211_hw *mwl_alloc_hw(int bus_type,
int chip_type,
struct device *dev,
const struct mwl_hif_ops *ops,