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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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537 lines
15 KiB
C
537 lines
15 KiB
C
/*
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* Marvell Wireless LAN device driver: Channel, Frequence and Power
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#include "decl.h"
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#include "ioctl.h"
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#include "util.h"
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#include "fw.h"
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#include "main.h"
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#include "cfg80211.h"
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/* 100mW */
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#define MWIFIEX_TX_PWR_DEFAULT 20
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/* 100mW */
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#define MWIFIEX_TX_PWR_US_DEFAULT 20
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/* 50mW */
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#define MWIFIEX_TX_PWR_JP_DEFAULT 16
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/* 100mW */
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#define MWIFIEX_TX_PWR_FR_100MW 20
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/* 10mW */
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#define MWIFIEX_TX_PWR_FR_10MW 10
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/* 100mW */
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#define MWIFIEX_TX_PWR_EMEA_DEFAULT 20
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static u8 adhoc_rates_b[B_SUPPORTED_RATES] = { 0x82, 0x84, 0x8b, 0x96, 0 };
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static u8 adhoc_rates_g[G_SUPPORTED_RATES] = { 0x8c, 0x12, 0x98, 0x24,
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0xb0, 0x48, 0x60, 0x6c, 0 };
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static u8 adhoc_rates_bg[BG_SUPPORTED_RATES] = { 0x82, 0x84, 0x8b, 0x96,
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0x0c, 0x12, 0x18, 0x24,
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0x30, 0x48, 0x60, 0x6c, 0 };
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static u8 adhoc_rates_a[A_SUPPORTED_RATES] = { 0x8c, 0x12, 0x98, 0x24,
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0xb0, 0x48, 0x60, 0x6c, 0 };
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static u8 supported_rates_a[A_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24,
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0xb0, 0x48, 0x60, 0x6c, 0 };
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static u16 mwifiex_data_rates[MWIFIEX_SUPPORTED_RATES_EXT] = { 0x02, 0x04,
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0x0B, 0x16, 0x00, 0x0C, 0x12, 0x18,
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0x24, 0x30, 0x48, 0x60, 0x6C, 0x90,
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0x0D, 0x1A, 0x27, 0x34, 0x4E, 0x68,
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0x75, 0x82, 0x0C, 0x1B, 0x36, 0x51,
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0x6C, 0xA2, 0xD8, 0xF3, 0x10E, 0x00 };
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static u8 supported_rates_b[B_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x16, 0 };
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static u8 supported_rates_g[G_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24,
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0x30, 0x48, 0x60, 0x6c, 0 };
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static u8 supported_rates_bg[BG_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x0c,
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0x12, 0x16, 0x18, 0x24, 0x30, 0x48,
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0x60, 0x6c, 0 };
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u16 region_code_index[MWIFIEX_MAX_REGION_CODE] = { 0x10, 0x20, 0x30,
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0x32, 0x40, 0x41, 0xff };
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static u8 supported_rates_n[N_SUPPORTED_RATES] = { 0x02, 0x04, 0 };
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struct region_code_mapping {
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u8 code;
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u8 region[IEEE80211_COUNTRY_STRING_LEN];
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};
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static struct region_code_mapping region_code_mapping_t[] = {
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{ 0x10, "US " }, /* US FCC */
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{ 0x20, "CA " }, /* IC Canada */
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{ 0x30, "EU " }, /* ETSI */
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{ 0x31, "ES " }, /* Spain */
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{ 0x32, "FR " }, /* France */
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{ 0x40, "JP " }, /* Japan */
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{ 0x41, "JP " }, /* Japan */
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{ 0x50, "CN " }, /* China */
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};
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/* This function converts integer code to region string */
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u8 *mwifiex_11d_code_2_region(u8 code)
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{
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u8 i;
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u8 size = sizeof(region_code_mapping_t)/
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sizeof(struct region_code_mapping);
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/* Look for code in mapping table */
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for (i = 0; i < size; i++)
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if (region_code_mapping_t[i].code == code)
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return region_code_mapping_t[i].region;
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return NULL;
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}
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/*
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* This function maps an index in supported rates table into
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* the corresponding data rate.
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*/
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u32 mwifiex_index_to_acs_data_rate(struct mwifiex_private *priv,
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u8 index, u8 ht_info)
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{
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/*
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* For every mcs_rate line, the first 8 bytes are for stream 1x1,
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* and all 16 bytes are for stream 2x2.
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*/
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u16 mcs_rate[4][16] = {
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/* LGI 40M */
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{ 0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e,
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0x36, 0x6c, 0xa2, 0xd8, 0x144, 0x1b0, 0x1e6, 0x21c },
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/* SGI 40M */
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{ 0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c,
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0x3c, 0x78, 0xb4, 0xf0, 0x168, 0x1e0, 0x21c, 0x258 },
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/* LGI 20M */
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{ 0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82,
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0x1a, 0x34, 0x4e, 0x68, 0x9c, 0xd0, 0xea, 0x104 },
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/* SGI 20M */
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{ 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90,
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0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 }
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};
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/* AC rates */
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u16 ac_mcs_rate_nss1[8][10] = {
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/* LG 160M */
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{ 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
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0x492, 0x57C, 0x618 },
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/* SG 160M */
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{ 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
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0x514, 0x618, 0x6C6 },
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/* LG 80M */
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{ 0x3B, 0x75, 0xB0, 0xEA, 0x15F, 0x1D4, 0x20F,
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0x249, 0x2BE, 0x30C },
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/* SG 80M */
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{ 0x41, 0x82, 0xC3, 0x104, 0x186, 0x208, 0x249,
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0x28A, 0x30C, 0x363 },
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/* LG 40M */
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{ 0x1B, 0x36, 0x51, 0x6C, 0xA2, 0xD8, 0xF3,
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0x10E, 0x144, 0x168 },
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/* SG 40M */
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{ 0x1E, 0x3C, 0x5A, 0x78, 0xB4, 0xF0, 0x10E,
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0x12C, 0x168, 0x190 },
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/* LG 20M */
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{ 0xD, 0x1A, 0x27, 0x34, 0x4E, 0x68, 0x75, 0x82, 0x9C, 0x00 },
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/* SG 20M */
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{ 0xF, 0x1D, 0x2C, 0x3A, 0x57, 0x74, 0x82, 0x91, 0xAE, 0x00 },
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};
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/* NSS2 note: the value in the table is 2 multiplier of the actual
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* rate
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*/
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u16 ac_mcs_rate_nss2[8][10] = {
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/* LG 160M */
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{ 0xEA, 0x1D4, 0x2BE, 0x3A8, 0x57C, 0x750, 0x83A,
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0x924, 0xAF8, 0xC30 },
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/* SG 160M */
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{ 0x104, 0x208, 0x30C, 0x410, 0x618, 0x820, 0x924,
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0xA28, 0xC30, 0xD8B },
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/* LG 80M */
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{ 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
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0x492, 0x57C, 0x618 },
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/* SG 80M */
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{ 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
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0x514, 0x618, 0x6C6 },
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/* LG 40M */
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{ 0x36, 0x6C, 0xA2, 0xD8, 0x144, 0x1B0, 0x1E6,
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0x21C, 0x288, 0x2D0 },
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/* SG 40M */
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{ 0x3C, 0x78, 0xB4, 0xF0, 0x168, 0x1E0, 0x21C,
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0x258, 0x2D0, 0x320 },
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/* LG 20M */
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{ 0x1A, 0x34, 0x4A, 0x68, 0x9C, 0xD0, 0xEA, 0x104,
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0x138, 0x00 },
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/* SG 20M */
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{ 0x1D, 0x3A, 0x57, 0x74, 0xAE, 0xE6, 0x104, 0x121,
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0x15B, 0x00 },
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};
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u32 rate = 0;
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u8 mcs_index = 0;
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u8 bw = 0;
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u8 gi = 0;
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if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_VHT) {
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mcs_index = min(index & 0xF, 9);
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/* 20M: bw=0, 40M: bw=1, 80M: bw=2, 160M: bw=3 */
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bw = (ht_info & 0xC) >> 2;
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/* LGI: gi =0, SGI: gi = 1 */
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gi = (ht_info & 0x10) >> 4;
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if ((index >> 4) == 1) /* NSS = 2 */
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rate = ac_mcs_rate_nss2[2 * (3 - bw) + gi][mcs_index];
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else /* NSS = 1 */
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rate = ac_mcs_rate_nss1[2 * (3 - bw) + gi][mcs_index];
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} else if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_HT) {
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/* 20M: bw=0, 40M: bw=1 */
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bw = (ht_info & 0xC) >> 2;
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/* LGI: gi =0, SGI: gi = 1 */
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gi = (ht_info & 0x10) >> 4;
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if (index == MWIFIEX_RATE_BITMAP_MCS0) {
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if (gi == 1)
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rate = 0x0D; /* MCS 32 SGI rate */
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else
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rate = 0x0C; /* MCS 32 LGI rate */
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} else if (index < 16) {
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if ((bw == 1) || (bw == 0))
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rate = mcs_rate[2 * (1 - bw) + gi][index];
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else
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rate = mwifiex_data_rates[0];
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} else {
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rate = mwifiex_data_rates[0];
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}
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} else {
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/* 11n non-HT rates */
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if (index >= MWIFIEX_SUPPORTED_RATES_EXT)
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index = 0;
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rate = mwifiex_data_rates[index];
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}
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return rate;
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}
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/* This function maps an index in supported rates table into
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* the corresponding data rate.
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*/
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u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv,
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u8 index, u8 ht_info)
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{
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/* For every mcs_rate line, the first 8 bytes are for stream 1x1,
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* and all 16 bytes are for stream 2x2.
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*/
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u16 mcs_rate[4][16] = {
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/* LGI 40M */
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{ 0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e,
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0x36, 0x6c, 0xa2, 0xd8, 0x144, 0x1b0, 0x1e6, 0x21c },
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/* SGI 40M */
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{ 0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c,
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0x3c, 0x78, 0xb4, 0xf0, 0x168, 0x1e0, 0x21c, 0x258 },
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/* LGI 20M */
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{ 0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82,
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0x1a, 0x34, 0x4e, 0x68, 0x9c, 0xd0, 0xea, 0x104 },
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/* SGI 20M */
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{ 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90,
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0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 }
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};
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u32 mcs_num_supp =
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(priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) ? 16 : 8;
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u32 rate;
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if (priv->adapter->is_hw_11ac_capable)
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return mwifiex_index_to_acs_data_rate(priv, index, ht_info);
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if (ht_info & BIT(0)) {
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if (index == MWIFIEX_RATE_BITMAP_MCS0) {
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if (ht_info & BIT(2))
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rate = 0x0D; /* MCS 32 SGI rate */
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else
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rate = 0x0C; /* MCS 32 LGI rate */
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} else if (index < mcs_num_supp) {
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if (ht_info & BIT(1)) {
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if (ht_info & BIT(2))
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/* SGI, 40M */
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rate = mcs_rate[1][index];
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else
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/* LGI, 40M */
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rate = mcs_rate[0][index];
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} else {
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if (ht_info & BIT(2))
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/* SGI, 20M */
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rate = mcs_rate[3][index];
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else
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/* LGI, 20M */
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rate = mcs_rate[2][index];
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}
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} else
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rate = mwifiex_data_rates[0];
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} else {
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if (index >= MWIFIEX_SUPPORTED_RATES_EXT)
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index = 0;
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rate = mwifiex_data_rates[index];
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}
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return rate;
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}
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/*
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* This function returns the current active data rates.
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*
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* The result may vary depending upon connection status.
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*/
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u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv, u8 *rates)
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{
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if (!priv->media_connected)
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return mwifiex_get_supported_rates(priv, rates);
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else
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return mwifiex_copy_rates(rates, 0,
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priv->curr_bss_params.data_rates,
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priv->curr_bss_params.num_of_rates);
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}
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/*
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* This function locates the Channel-Frequency-Power triplet based upon
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* band and channel/frequency parameters.
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*/
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struct mwifiex_chan_freq_power *
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mwifiex_get_cfp(struct mwifiex_private *priv, u8 band, u16 channel, u32 freq)
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{
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struct mwifiex_chan_freq_power *cfp = NULL;
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struct ieee80211_supported_band *sband;
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struct ieee80211_channel *ch = NULL;
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int i;
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if (!channel && !freq)
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return cfp;
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if (mwifiex_band_to_radio_type(band) == HostCmd_SCAN_RADIO_TYPE_BG)
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sband = priv->wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
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else
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sband = priv->wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
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if (!sband) {
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dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d\n",
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__func__, band);
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return cfp;
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}
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for (i = 0; i < sband->n_channels; i++) {
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ch = &sband->channels[i];
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if (ch->flags & IEEE80211_CHAN_DISABLED)
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continue;
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if (freq) {
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if (ch->center_freq == freq)
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break;
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} else {
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/* find by valid channel*/
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if (ch->hw_value == channel ||
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channel == FIRST_VALID_CHANNEL)
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break;
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}
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}
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if (i == sband->n_channels) {
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dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d"
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" & channel=%d freq=%d\n", __func__, band, channel,
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freq);
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} else {
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if (!ch)
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return cfp;
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priv->cfp.channel = ch->hw_value;
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priv->cfp.freq = ch->center_freq;
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priv->cfp.max_tx_power = ch->max_power;
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cfp = &priv->cfp;
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}
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return cfp;
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}
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/*
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* This function checks if the data rate is set to auto.
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*/
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u8
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mwifiex_is_rate_auto(struct mwifiex_private *priv)
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{
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u32 i;
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int rate_num = 0;
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for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates); i++)
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if (priv->bitmap_rates[i])
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rate_num++;
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if (rate_num > 1)
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return true;
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else
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return false;
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}
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/* This function gets the supported data rates from bitmask inside
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* cfg80211_scan_request.
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*/
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u32 mwifiex_get_rates_from_cfg80211(struct mwifiex_private *priv,
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u8 *rates, u8 radio_type)
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{
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struct wiphy *wiphy = priv->adapter->wiphy;
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struct cfg80211_scan_request *request = priv->scan_request;
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u32 num_rates, rate_mask;
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struct ieee80211_supported_band *sband;
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int i;
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if (radio_type) {
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sband = wiphy->bands[IEEE80211_BAND_5GHZ];
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if (WARN_ON_ONCE(!sband))
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return 0;
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rate_mask = request->rates[IEEE80211_BAND_5GHZ];
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} else {
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sband = wiphy->bands[IEEE80211_BAND_2GHZ];
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if (WARN_ON_ONCE(!sband))
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return 0;
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rate_mask = request->rates[IEEE80211_BAND_2GHZ];
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}
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num_rates = 0;
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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:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"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:
|
|
case BAND_G | BAND_GN | BAND_GAC:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"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_A | BAND_B | BAND_G | BAND_GN | BAND_AN |
|
|
BAND_AAC | BAND_GAC:
|
|
case BAND_B | BAND_G | BAND_GN:
|
|
case BAND_B | BAND_G | BAND_GN | BAND_GAC:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"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:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"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:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"supported_rates_a\n", adapter->config_bands);
|
|
k = mwifiex_copy_rates(rates, k, supported_rates_a,
|
|
sizeof(supported_rates_a));
|
|
break;
|
|
case BAND_GN:
|
|
case BAND_GN | BAND_GAC:
|
|
dev_dbg(adapter->dev, "info: infra band=%d "
|
|
"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:
|
|
dev_dbg(adapter->dev, "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:
|
|
dev_dbg(adapter->dev, "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:
|
|
dev_dbg(adapter->dev, "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:
|
|
dev_dbg(adapter->dev, "info: adhoc A\n");
|
|
k = mwifiex_copy_rates(rates, k, adhoc_rates_a,
|
|
sizeof(adhoc_rates_a));
|
|
break;
|
|
}
|
|
}
|
|
|
|
return k;
|
|
}
|