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path: root/drivers/net/wireless/mwifiex/cfp.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/cfp.c')
-rw-r--r--drivers/net/wireless/mwifiex/cfp.c537
1 files changed, 0 insertions, 537 deletions
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
deleted file mode 100644
index 3ddb8ec67..000000000
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ /dev/null
@@ -1,537 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: Channel, Frequence and Power
- *
- * Copyright (C) 2011-2014, 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * 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.
- */
-
-#include "decl.h"
-#include "ioctl.h"
-#include "util.h"
-#include "fw.h"
-#include "main.h"
-#include "cfg80211.h"
-
-/* 100mW */
-#define MWIFIEX_TX_PWR_DEFAULT 20
-/* 100mW */
-#define MWIFIEX_TX_PWR_US_DEFAULT 20
-/* 50mW */
-#define MWIFIEX_TX_PWR_JP_DEFAULT 16
-/* 100mW */
-#define MWIFIEX_TX_PWR_FR_100MW 20
-/* 10mW */
-#define MWIFIEX_TX_PWR_FR_10MW 10
-/* 100mW */
-#define MWIFIEX_TX_PWR_EMEA_DEFAULT 20
-
-static u8 adhoc_rates_b[B_SUPPORTED_RATES] = { 0x82, 0x84, 0x8b, 0x96, 0 };
-
-static u8 adhoc_rates_g[G_SUPPORTED_RATES] = { 0x8c, 0x12, 0x98, 0x24,
- 0xb0, 0x48, 0x60, 0x6c, 0 };
-
-static u8 adhoc_rates_bg[BG_SUPPORTED_RATES] = { 0x82, 0x84, 0x8b, 0x96,
- 0x0c, 0x12, 0x18, 0x24,
- 0x30, 0x48, 0x60, 0x6c, 0 };
-
-static u8 adhoc_rates_a[A_SUPPORTED_RATES] = { 0x8c, 0x12, 0x98, 0x24,
- 0xb0, 0x48, 0x60, 0x6c, 0 };
-static u8 supported_rates_a[A_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24,
- 0xb0, 0x48, 0x60, 0x6c, 0 };
-static u16 mwifiex_data_rates[MWIFIEX_SUPPORTED_RATES_EXT] = { 0x02, 0x04,
- 0x0B, 0x16, 0x00, 0x0C, 0x12, 0x18,
- 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90,
- 0x0D, 0x1A, 0x27, 0x34, 0x4E, 0x68,
- 0x75, 0x82, 0x0C, 0x1B, 0x36, 0x51,
- 0x6C, 0xA2, 0xD8, 0xF3, 0x10E, 0x00 };
-
-static u8 supported_rates_b[B_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x16, 0 };
-
-static u8 supported_rates_g[G_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24,
- 0x30, 0x48, 0x60, 0x6c, 0 };
-
-static u8 supported_rates_bg[BG_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x0c,
- 0x12, 0x16, 0x18, 0x24, 0x30, 0x48,
- 0x60, 0x6c, 0 };
-
-u16 region_code_index[MWIFIEX_MAX_REGION_CODE] = { 0x10, 0x20, 0x30,
- 0x32, 0x40, 0x41, 0xff };
-
-static u8 supported_rates_n[N_SUPPORTED_RATES] = { 0x02, 0x04, 0 };
-
-/* For every mcs_rate line, the first 8 bytes are for stream 1x1,
- * and all 16 bytes are for stream 2x2.
- */
-static const u16 mcs_rate[4][16] = {
- /* LGI 40M */
- { 0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e,
- 0x36, 0x6c, 0xa2, 0xd8, 0x144, 0x1b0, 0x1e6, 0x21c },
-
- /* SGI 40M */
- { 0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c,
- 0x3c, 0x78, 0xb4, 0xf0, 0x168, 0x1e0, 0x21c, 0x258 },
-
- /* LGI 20M */
- { 0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82,
- 0x1a, 0x34, 0x4e, 0x68, 0x9c, 0xd0, 0xea, 0x104 },
-
- /* SGI 20M */
- { 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90,
- 0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 }
-};
-
-/* AC rates */
-static const u16 ac_mcs_rate_nss1[8][10] = {
- /* LG 160M */
- { 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
- 0x492, 0x57C, 0x618 },
-
- /* SG 160M */
- { 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
- 0x514, 0x618, 0x6C6 },
-
- /* LG 80M */
- { 0x3B, 0x75, 0xB0, 0xEA, 0x15F, 0x1D4, 0x20F,
- 0x249, 0x2BE, 0x30C },
-
- /* SG 80M */
- { 0x41, 0x82, 0xC3, 0x104, 0x186, 0x208, 0x249,
- 0x28A, 0x30C, 0x363 },
-
- /* LG 40M */
- { 0x1B, 0x36, 0x51, 0x6C, 0xA2, 0xD8, 0xF3,
- 0x10E, 0x144, 0x168 },
-
- /* SG 40M */
- { 0x1E, 0x3C, 0x5A, 0x78, 0xB4, 0xF0, 0x10E,
- 0x12C, 0x168, 0x190 },
-
- /* LG 20M */
- { 0xD, 0x1A, 0x27, 0x34, 0x4E, 0x68, 0x75, 0x82, 0x9C, 0x00 },
-
- /* SG 20M */
- { 0xF, 0x1D, 0x2C, 0x3A, 0x57, 0x74, 0x82, 0x91, 0xAE, 0x00 },
-};
-
-/* NSS2 note: the value in the table is 2 multiplier of the actual rate */
-static const u16 ac_mcs_rate_nss2[8][10] = {
- /* LG 160M */
- { 0xEA, 0x1D4, 0x2BE, 0x3A8, 0x57C, 0x750, 0x83A,
- 0x924, 0xAF8, 0xC30 },
-
- /* SG 160M */
- { 0x104, 0x208, 0x30C, 0x410, 0x618, 0x820, 0x924,
- 0xA28, 0xC30, 0xD8B },
-
- /* LG 80M */
- { 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
- 0x492, 0x57C, 0x618 },
-
- /* SG 80M */
- { 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
- 0x514, 0x618, 0x6C6 },
-
- /* LG 40M */
- { 0x36, 0x6C, 0xA2, 0xD8, 0x144, 0x1B0, 0x1E6,
- 0x21C, 0x288, 0x2D0 },
-
- /* SG 40M */
- { 0x3C, 0x78, 0xB4, 0xF0, 0x168, 0x1E0, 0x21C,
- 0x258, 0x2D0, 0x320 },
-
- /* LG 20M */
- { 0x1A, 0x34, 0x4A, 0x68, 0x9C, 0xD0, 0xEA, 0x104,
- 0x138, 0x00 },
-
- /* SG 20M */
- { 0x1D, 0x3A, 0x57, 0x74, 0xAE, 0xE6, 0x104, 0x121,
- 0x15B, 0x00 },
-};
-
-struct region_code_mapping {
- u8 code;
- u8 region[IEEE80211_COUNTRY_STRING_LEN];
-};
-
-static struct region_code_mapping region_code_mapping_t[] = {
- { 0x10, "US " }, /* US FCC */
- { 0x20, "CA " }, /* IC Canada */
- { 0x30, "EU " }, /* ETSI */
- { 0x31, "ES " }, /* Spain */
- { 0x32, "FR " }, /* France */
- { 0x40, "JP " }, /* Japan */
- { 0x41, "JP " }, /* Japan */
- { 0x50, "CN " }, /* China */
-};
-
-/* This function converts integer code to region string */
-u8 *mwifiex_11d_code_2_region(u8 code)
-{
- u8 i;
- u8 size = sizeof(region_code_mapping_t)/
- sizeof(struct region_code_mapping);
-
- /* Look for code in mapping table */
- for (i = 0; i < size; i++)
- if (region_code_mapping_t[i].code == code)
- return region_code_mapping_t[i].region;
-
- return NULL;
-}
-
-/*
- * This function maps an index in supported rates table into
- * the corresponding data rate.
- */
-u32 mwifiex_index_to_acs_data_rate(struct mwifiex_private *priv,
- u8 index, u8 ht_info)
-{
- u32 rate = 0;
- u8 mcs_index = 0;
- u8 bw = 0;
- u8 gi = 0;
-
- if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_VHT) {
- mcs_index = min(index & 0xF, 9);
-
- /* 20M: bw=0, 40M: bw=1, 80M: bw=2, 160M: bw=3 */
- bw = (ht_info & 0xC) >> 2;
-
- /* LGI: gi =0, SGI: gi = 1 */
- gi = (ht_info & 0x10) >> 4;
-
- if ((index >> 4) == 1) /* NSS = 2 */
- rate = ac_mcs_rate_nss2[2 * (3 - bw) + gi][mcs_index];
- else /* NSS = 1 */
- rate = ac_mcs_rate_nss1[2 * (3 - bw) + gi][mcs_index];
- } else if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_HT) {
- /* 20M: bw=0, 40M: bw=1 */
- bw = (ht_info & 0xC) >> 2;
-
- /* LGI: gi =0, SGI: gi = 1 */
- gi = (ht_info & 0x10) >> 4;
-
- if (index == MWIFIEX_RATE_BITMAP_MCS0) {
- if (gi == 1)
- rate = 0x0D; /* MCS 32 SGI rate */
- else
- rate = 0x0C; /* MCS 32 LGI rate */
- } else if (index < 16) {
- if ((bw == 1) || (bw == 0))
- rate = mcs_rate[2 * (1 - bw) + gi][index];
- else
- rate = mwifiex_data_rates[0];
- } else {
- rate = mwifiex_data_rates[0];
- }
- } else {
- /* 11n non-HT rates */
- if (index >= MWIFIEX_SUPPORTED_RATES_EXT)
- index = 0;
- rate = mwifiex_data_rates[index];
- }
-
- return rate;
-}
-
-/* This function maps an index in supported rates table into
- * the corresponding data rate.
- */
-u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv,
- u8 index, u8 ht_info)
-{
- u32 mcs_num_supp =
- (priv->adapter->user_dev_mcs_support == HT_STREAM_2X2) ? 16 : 8;
- u32 rate;
-
- if (priv->adapter->is_hw_11ac_capable)
- return mwifiex_index_to_acs_data_rate(priv, index, ht_info);
-
- if (ht_info & BIT(0)) {
- if (index == MWIFIEX_RATE_BITMAP_MCS0) {
- if (ht_info & BIT(2))
- rate = 0x0D; /* MCS 32 SGI rate */
- else
- rate = 0x0C; /* MCS 32 LGI rate */
- } else if (index < mcs_num_supp) {
- if (ht_info & BIT(1)) {
- if (ht_info & BIT(2))
- /* SGI, 40M */
- rate = mcs_rate[1][index];
- else
- /* LGI, 40M */
- rate = mcs_rate[0][index];
- } else {
- if (ht_info & BIT(2))
- /* SGI, 20M */
- rate = mcs_rate[3][index];
- else
- /* LGI, 20M */
- rate = mcs_rate[2][index];
- }
- } else
- rate = mwifiex_data_rates[0];
- } else {
- if (index >= MWIFIEX_SUPPORTED_RATES_EXT)
- index = 0;
- rate = mwifiex_data_rates[index];
- }
- return rate;
-}
-
-/*
- * This function returns the current active data rates.
- *
- * The result may vary depending upon connection status.
- */
-u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv, u8 *rates)
-{
- if (!priv->media_connected)
- return mwifiex_get_supported_rates(priv, rates);
- else
- return mwifiex_copy_rates(rates, 0,
- priv->curr_bss_params.data_rates,
- priv->curr_bss_params.num_of_rates);
-}
-
-/*
- * This function locates the Channel-Frequency-Power triplet based upon
- * band and channel/frequency parameters.
- */
-struct mwifiex_chan_freq_power *
-mwifiex_get_cfp(struct mwifiex_private *priv, u8 band, u16 channel, u32 freq)
-{
- struct mwifiex_chan_freq_power *cfp = NULL;
- struct ieee80211_supported_band *sband;
- struct ieee80211_channel *ch = NULL;
- int i;
-
- if (!channel && !freq)
- return cfp;
-
- if (mwifiex_band_to_radio_type(band) == HostCmd_SCAN_RADIO_TYPE_BG)
- sband = priv->wdev.wiphy->bands[IEEE80211_BAND_2GHZ];
- else
- sband = priv->wdev.wiphy->bands[IEEE80211_BAND_5GHZ];
-
- if (!sband) {
- mwifiex_dbg(priv->adapter, ERROR,
- "%s: cannot find cfp by band %d\n",
- __func__, band);
- return cfp;
- }
-
- for (i = 0; i < sband->n_channels; i++) {
- ch = &sband->channels[i];
-
- if (ch->flags & IEEE80211_CHAN_DISABLED)
- continue;
-
- if (freq) {
- if (ch->center_freq == freq)
- break;
- } else {
- /* find by valid channel*/
- if (ch->hw_value == channel ||
- channel == FIRST_VALID_CHANNEL)
- break;
- }
- }
- if (i == sband->n_channels) {
- mwifiex_dbg(priv->adapter, ERROR,
- "%s: cannot find cfp by band %d\t"
- "& channel=%d freq=%d\n",
- __func__, band, channel, freq);
- } else {
- if (!ch)
- return cfp;
-
- priv->cfp.channel = ch->hw_value;
- priv->cfp.freq = ch->center_freq;
- priv->cfp.max_tx_power = ch->max_power;
- cfp = &priv->cfp;
- }
-
- return cfp;
-}
-
-/*
- * This function checks if the data rate is set to auto.
- */
-u8
-mwifiex_is_rate_auto(struct mwifiex_private *priv)
-{
- u32 i;
- int rate_num = 0;
-
- for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates); i++)
- if (priv->bitmap_rates[i])
- rate_num++;
-
- if (rate_num > 1)
- return true;
- else
- return false;
-}
-
-/* This function gets the supported data rates from bitmask inside
- * cfg80211_scan_request.
- */
-u32 mwifiex_get_rates_from_cfg80211(struct mwifiex_private *priv,
- u8 *rates, u8 radio_type)
-{
- struct wiphy *wiphy = priv->adapter->wiphy;
- struct cfg80211_scan_request *request = priv->scan_request;
- u32 num_rates, rate_mask;
- struct ieee80211_supported_band *sband;
- int i;
-
- if (radio_type) {
- sband = wiphy->bands[IEEE80211_BAND_5GHZ];
- if (WARN_ON_ONCE(!sband))
- return 0;
- rate_mask = request->rates[IEEE80211_BAND_5GHZ];
- } else {
- sband = wiphy->bands[IEEE80211_BAND_2GHZ];
- if (WARN_ON_ONCE(!sband))
- return 0;
- rate_mask = request->rates[IEEE80211_BAND_2GHZ];
- }
-
- num_rates = 0;
- for (i = 0; i < sband->n_bitrates; i++) {
- if ((BIT(i) & rate_mask) == 0)
- continue; /* skip rate */
- rates[num_rates++] = (u8)(sband->bitrates[i].bitrate / 5);
- }
-
- return num_rates;
-}
-
-/* This function gets the supported data rates. The function works in
- * both Ad-Hoc and infra mode by printing the band and returning the
- * data rates.
- */
-u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
-{
- u32 k = 0;
- struct mwifiex_adapter *adapter = priv->adapter;
-
- if (priv->bss_mode == NL80211_IFTYPE_STATION ||
- priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
- switch (adapter->config_bands) {
- case BAND_B:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_b\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_b,
- sizeof(supported_rates_b));
- break;
- case BAND_G:
- case BAND_G | BAND_GN:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_g\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_g,
- sizeof(supported_rates_g));
- break;
- case BAND_B | BAND_G:
- case BAND_A | BAND_B | BAND_G:
- case BAND_A | BAND_B:
- case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN:
- case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN | BAND_AAC:
- case BAND_B | BAND_G | BAND_GN:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_bg\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_bg,
- sizeof(supported_rates_bg));
- break;
- case BAND_A:
- case BAND_A | BAND_G:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_a\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_a,
- sizeof(supported_rates_a));
- break;
- case BAND_AN:
- case BAND_A | BAND_AN:
- case BAND_A | BAND_AN | BAND_AAC:
- case BAND_A | BAND_G | BAND_AN | BAND_GN:
- case BAND_A | BAND_G | BAND_AN | BAND_GN | BAND_AAC:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_a\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_a,
- sizeof(supported_rates_a));
- break;
- case BAND_GN:
- mwifiex_dbg(adapter, INFO, "info: infra band=%d\t"
- "supported_rates_n\n",
- adapter->config_bands);
- k = mwifiex_copy_rates(rates, k, supported_rates_n,
- sizeof(supported_rates_n));
- break;
- }
- } else {
- /* Ad-hoc mode */
- switch (adapter->adhoc_start_band) {
- case BAND_B:
- mwifiex_dbg(adapter, INFO, "info: adhoc B\n");
- k = mwifiex_copy_rates(rates, k, adhoc_rates_b,
- sizeof(adhoc_rates_b));
- break;
- case BAND_G:
- case BAND_G | BAND_GN:
- mwifiex_dbg(adapter, INFO, "info: adhoc G only\n");
- k = mwifiex_copy_rates(rates, k, adhoc_rates_g,
- sizeof(adhoc_rates_g));
- break;
- case BAND_B | BAND_G:
- case BAND_B | BAND_G | BAND_GN:
- mwifiex_dbg(adapter, INFO, "info: adhoc BG\n");
- k = mwifiex_copy_rates(rates, k, adhoc_rates_bg,
- sizeof(adhoc_rates_bg));
- break;
- case BAND_A:
- case BAND_A | BAND_AN:
- mwifiex_dbg(adapter, INFO, "info: adhoc A\n");
- k = mwifiex_copy_rates(rates, k, adhoc_rates_a,
- sizeof(adhoc_rates_a));
- break;
- }
- }
-
- return k;
-}
-
-u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv,
- u8 rx_rate, u8 rate_info)
-{
- u8 rate_index = 0;
-
- /* HT40 */
- if ((rate_info & BIT(0)) && (rate_info & BIT(1)))
- rate_index = MWIFIEX_RATE_INDEX_MCS0 +
- MWIFIEX_BW20_MCS_NUM + rx_rate;
- else if (rate_info & BIT(0)) /* HT20 */
- rate_index = MWIFIEX_RATE_INDEX_MCS0 + rx_rate;
- else
- rate_index = (rx_rate > MWIFIEX_RATE_INDEX_OFDM0) ?
- rx_rate - 1 : rx_rate;
-
- return rate_index;
-}
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