/* * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * * File: channel.c * * Purpose: Channel number mapping * * Author: Lucas Lin * * Date: Dec 24, 2004 * * * * Revision History: * 01-18-2005 RobertYu: remove the for loop searching in ChannelValid, * change ChannelRuleTab to lookup-type, reorder table items. * * */ #include #include "device.h" #include "channel.h" #include "rf.h" static SChannelTblElement sChannelTbl[CB_MAX_CHANNEL+1] = { {0, 0, false}, {1, 2412, true}, {2, 2417, true}, {3, 2422, true}, {4, 2427, true}, {5, 2432, true}, {6, 2437, true}, {7, 2442, true}, {8, 2447, true}, {9, 2452, true}, {10, 2457, true}, {11, 2462, true}, {12, 2467, true}, {13, 2472, true}, {14, 2484, true}, {183, 4915, true}, //15 {184, 4920, true}, //16 {185, 4925, true}, //17 {187, 4935, true}, //18 {188, 4940, true}, //19 {189, 4945, true}, //20 {192, 4960, true}, //21 {196, 4980, true}, //22 {7, 5035, true}, //23 {8, 5040, true}, //24 {9, 5045, true}, //25 {11, 5055, true}, //26 {12, 5060, true}, //27 {16, 5080, true}, //28 {34, 5170, true}, //29 {36, 5180, true}, //30 {38, 5190, true}, //31 {40, 5200, true}, //32 {42, 5210, true}, //33 {44, 5220, true}, //34 {46, 5230, true}, //35 {48, 5240, true}, //36 {52, 5260, true}, //37 {56, 5280, true}, //38 {60, 5300, true}, //39 {64, 5320, true}, //40 {100, 5500, true}, //41 {104, 5520, true}, //42 {108, 5540, true}, //43 {112, 5560, true}, //44 {116, 5580, true}, //45 {120, 5600, true}, //46 {124, 5620, true}, //47 {128, 5640, true}, //48 {132, 5660, true}, //49 {136, 5680, true}, //50 {140, 5700, true}, //51 {149, 5745, true}, //52 {153, 5765, true}, //53 {157, 5785, true}, //54 {161, 5805, true}, //55 {165, 5825, true} //56 }; /************************************************************************ * Country Channel Valid * Input: CountryCode, ChannelNum * ChanneIndex is defined as VT3253 MAC channel: * 1 = 2.4G channel 1 * 2 = 2.4G channel 2 * ... * 14 = 2.4G channel 14 * 15 = 4.9G channel 183 * 16 = 4.9G channel 184 * ..... * Output: true if the specified 5GHz band is allowed to be used. False otherwise. // 4.9G => Ch 183, 184, 185, 187, 188, 189, 192, 196 (Value:15 ~ 22) // 5G => Ch 7, 8, 9, 11, 12, 16, 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64, // 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165 (Value 23 ~ 56) ************************************************************************/ bool ChannelValid(unsigned int CountryCode, unsigned int ChannelIndex) { bool bValid; bValid = false; /* * If Channel Index is invalid, return invalid */ if ((ChannelIndex > CB_MAX_CHANNEL) || (ChannelIndex == 0)) { bValid = false; goto exit; } bValid = sChannelTbl[ChannelIndex].bValid; exit: return (bValid); } /* end ChannelValid */ void CHvInitChannelTable(struct vnt_private *pDevice) { bool bMultiBand = false; int ii; for (ii = 1; ii <= CB_MAX_CHANNEL; ii++) sChannelTbl[ii].bValid = false; switch (pDevice->byRFType) { case RF_AL2230: case RF_AL2230S: case RF_VT3226: case RF_VT3226D0: bMultiBand = false; break; case RF_AIROHA7230: case RF_VT3342A0: default : bMultiBand = true; break; } if (bMultiBand == true) { for (ii = 0; ii < CB_MAX_CHANNEL; ii++) { sChannelTbl[ii+1].bValid = true; } } else { for (ii = 0; ii < CB_MAX_CHANNEL_24G; ii++) { sChannelTbl[ii+1].bValid = true; } } } static struct ieee80211_rate vnt_rates_bg[] = { { .bitrate = 10, .hw_value = RATE_1M }, { .bitrate = 20, .hw_value = RATE_2M }, { .bitrate = 55, .hw_value = RATE_5M }, { .bitrate = 110, .hw_value = RATE_11M }, { .bitrate = 60, .hw_value = RATE_6M }, { .bitrate = 90, .hw_value = RATE_9M }, { .bitrate = 120, .hw_value = RATE_12M }, { .bitrate = 180, .hw_value = RATE_18M }, { .bitrate = 240, .hw_value = RATE_24M }, { .bitrate = 360, .hw_value = RATE_36M }, { .bitrate = 480, .hw_value = RATE_48M }, { .bitrate = 540, .hw_value = RATE_54M }, }; static struct ieee80211_rate vnt_rates_a[] = { { .bitrate = 60, .hw_value = RATE_6M }, { .bitrate = 90, .hw_value = RATE_9M }, { .bitrate = 120, .hw_value = RATE_12M }, { .bitrate = 180, .hw_value = RATE_18M }, { .bitrate = 240, .hw_value = RATE_24M }, { .bitrate = 360, .hw_value = RATE_36M }, { .bitrate = 480, .hw_value = RATE_48M }, { .bitrate = 540, .hw_value = RATE_54M }, }; static struct ieee80211_channel vnt_channels_2ghz[] = { { .center_freq = 2412, .hw_value = 1 }, { .center_freq = 2417, .hw_value = 2 }, { .center_freq = 2422, .hw_value = 3 }, { .center_freq = 2427, .hw_value = 4 }, { .center_freq = 2432, .hw_value = 5 }, { .center_freq = 2437, .hw_value = 6 }, { .center_freq = 2442, .hw_value = 7 }, { .center_freq = 2447, .hw_value = 8 }, { .center_freq = 2452, .hw_value = 9 }, { .center_freq = 2457, .hw_value = 10 }, { .center_freq = 2462, .hw_value = 11 }, { .center_freq = 2467, .hw_value = 12 }, { .center_freq = 2472, .hw_value = 13 }, { .center_freq = 2484, .hw_value = 14 } }; static struct ieee80211_channel vnt_channels_5ghz[] = { { .center_freq = 4915, .hw_value = 15 }, { .center_freq = 4920, .hw_value = 16 }, { .center_freq = 4925, .hw_value = 17 }, { .center_freq = 4935, .hw_value = 18 }, { .center_freq = 4940, .hw_value = 19 }, { .center_freq = 4945, .hw_value = 20 }, { .center_freq = 4960, .hw_value = 21 }, { .center_freq = 4980, .hw_value = 22 }, { .center_freq = 5035, .hw_value = 23 }, { .center_freq = 5040, .hw_value = 24 }, { .center_freq = 5045, .hw_value = 25 }, { .center_freq = 5055, .hw_value = 26 }, { .center_freq = 5060, .hw_value = 27 }, { .center_freq = 5080, .hw_value = 28 }, { .center_freq = 5170, .hw_value = 29 }, { .center_freq = 5180, .hw_value = 30 }, { .center_freq = 5190, .hw_value = 31 }, { .center_freq = 5200, .hw_value = 32 }, { .center_freq = 5210, .hw_value = 33 }, { .center_freq = 5220, .hw_value = 34 }, { .center_freq = 5230, .hw_value = 35 }, { .center_freq = 5240, .hw_value = 36 }, { .center_freq = 5260, .hw_value = 37 }, { .center_freq = 5280, .hw_value = 38 }, { .center_freq = 5300, .hw_value = 39 }, { .center_freq = 5320, .hw_value = 40 }, { .center_freq = 5500, .hw_value = 41 }, { .center_freq = 5520, .hw_value = 42 }, { .center_freq = 5540, .hw_value = 43 }, { .center_freq = 5560, .hw_value = 44 }, { .center_freq = 5580, .hw_value = 45 }, { .center_freq = 5600, .hw_value = 46 }, { .center_freq = 5620, .hw_value = 47 }, { .center_freq = 5640, .hw_value = 48 }, { .center_freq = 5660, .hw_value = 49 }, { .center_freq = 5680, .hw_value = 50 }, { .center_freq = 5700, .hw_value = 51 }, { .center_freq = 5745, .hw_value = 52 }, { .center_freq = 5765, .hw_value = 53 }, { .center_freq = 5785, .hw_value = 54 }, { .center_freq = 5805, .hw_value = 55 }, { .center_freq = 5825, .hw_value = 56 } }; static struct ieee80211_supported_band vnt_supported_2ghz_band = { .channels = vnt_channels_2ghz, .n_channels = ARRAY_SIZE(vnt_channels_2ghz), .bitrates = vnt_rates_bg, .n_bitrates = ARRAY_SIZE(vnt_rates_bg), }; static struct ieee80211_supported_band vnt_supported_5ghz_band = { .channels = vnt_channels_5ghz, .n_channels = ARRAY_SIZE(vnt_channels_5ghz), .bitrates = vnt_rates_a, .n_bitrates = ARRAY_SIZE(vnt_rates_a), }; void vnt_init_bands(struct vnt_private *priv) { struct ieee80211_channel *ch; int i; switch (priv->byRFType) { case RF_AIROHA7230: case RF_VT3342A0: ch = vnt_channels_5ghz; for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) { ch[i].max_power = VNT_RF_MAX_POWER; ch[i].flags = IEEE80211_CHAN_NO_HT40; } priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &vnt_supported_5ghz_band; /* fallthrough */ case RF_AL2230: case RF_AL2230S: case RF_VT3226: case RF_VT3226D0: ch = vnt_channels_2ghz; for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) { ch[i].max_power = VNT_RF_MAX_POWER; ch[i].flags = IEEE80211_CHAN_NO_HT40; } priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &vnt_supported_2ghz_band; break; } }