pcu.c revision 626ede6b1aafb3a8cadfdd04b512fd1d3dc2113e
1c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 2c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org> 3c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com> 4c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2007-2008 Matthew W. S. Bell <mentor@madwifi.org> 5c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2007-2008 Luis Rodriguez <mcgrof@winlab.rutgers.edu> 6c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2007-2008 Pavel Roskin <proski@gnu.org> 7c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com> 8c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 9c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Permission to use, copy, modify, and distribute this software for any 10c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * purpose with or without fee is hereby granted, provided that the above 11c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * copyright notice and this permission notice appear in all copies. 12c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 13c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 21c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 22c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 23c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/*********************************\ 24c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* Protocol Control Unit Functions * 25c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\*********************************/ 26c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 27bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez#include <asm/unaligned.h> 28bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez 29c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#include "ath5k.h" 30c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#include "reg.h" 31c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#include "debug.h" 32c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#include "base.h" 33c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 34c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/*******************\ 35c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* Generic functions * 36c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\*******************/ 37c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 38c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 39c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_opmode - Set PCU operating mode 40c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 41c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 42c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 43c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Initialize PCU for the various operating modes (AP/STA etc) 44c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 45c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * NOTE: ah->ah_op_mode must be set before calling this. 46c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 47c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_opmode(struct ath5k_hw *ah) 48c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 49954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez struct ath_common *common = ath5k_hw_common(ah); 50c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 pcu_reg, beacon_reg, low_id, high_id; 51c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 52f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 53f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Preserve rest settings */ 54f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000; 55f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg &= ~(AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_AP 56f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis | AR5K_STA_ID1_KEYSRCH_MODE 57f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis | (ah->ah_version == AR5K_AR5210 ? 58f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis (AR5K_STA_ID1_PWR_SV | AR5K_STA_ID1_NO_PSPOLL) : 0)); 59f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 60c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis beacon_reg = 0; 61c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 62c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 63c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 64c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis switch (ah->ah_op_mode) { 6505c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_ADHOC: 66f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_KEYSRCH_MODE; 67c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis beacon_reg |= AR5K_BCR_ADHOC; 68f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis if (ah->ah_version == AR5K_AR5210) 69f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_NO_PSPOLL; 70f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis else 714fb7404e0eaf574c00d01d2b1ce2615229b350cdSteve Brown AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS); 72c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis break; 73c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 7405c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_AP: 7505c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_MESH_POINT: 76f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_KEYSRCH_MODE; 77c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis beacon_reg |= AR5K_BCR_AP; 78f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis if (ah->ah_version == AR5K_AR5210) 79f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_NO_PSPOLL; 80f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis else 814fb7404e0eaf574c00d01d2b1ce2615229b350cdSteve Brown AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS); 82c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis break; 83c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 8405c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_STATION: 85f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE 86f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis | (ah->ah_version == AR5K_AR5210 ? 87c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_PWR_SV : 0); 8805c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_MONITOR: 89f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE 90f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis | (ah->ah_version == AR5K_AR5210 ? 91c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_NO_PSPOLL : 0); 92c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis break; 93c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 94c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis default: 95c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 96c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 97c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 98c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 99c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set PCU registers 100c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 101954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez low_id = get_unaligned_le32(common->macaddr); 102954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez high_id = get_unaligned_le16(common->macaddr + 4); 103c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0); 104c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1); 105c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 106c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 107c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set Beacon Control Register on 5210 108c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 109c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5210) 110c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, beacon_reg, AR5K_BCR); 111c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 112c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 113c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 114c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 115c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 116c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_update - Update mib counters (mac layer statistics) 117c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 118c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 119c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @stats: The &struct ieee80211_low_level_stats we use to track 120c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * statistics on the driver 121c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 122c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Reads MIB counters from PCU and updates sw statistics. Must be 123c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * called after a MIB interrupt. 124c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 125c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_update_mib_counters(struct ath5k_hw *ah, 126c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis struct ieee80211_low_level_stats *stats) 127c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 128c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 129c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 130c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Read-And-Clear */ 131c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis stats->dot11ACKFailureCount += ath5k_hw_reg_read(ah, AR5K_ACK_FAIL); 132c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis stats->dot11RTSFailureCount += ath5k_hw_reg_read(ah, AR5K_RTS_FAIL); 133c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis stats->dot11RTSSuccessCount += ath5k_hw_reg_read(ah, AR5K_RTS_OK); 134c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis stats->dot11FCSErrorCount += ath5k_hw_reg_read(ah, AR5K_FCS_FAIL); 135c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 136c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* XXX: Should we use this to track beacon count ? 137c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * -we read it anyway to clear the register */ 138c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_read(ah, AR5K_BEACON_CNT); 139c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 140c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Reset profile count registers on 5212*/ 141c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5212) { 142c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_TX); 143c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_RX); 144c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_RXCLR); 145c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_CYCLE); 146c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 147f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 148f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* TODO: Handle ANI stats */ 149c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 150c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 151c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 152c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_ack_bitrate - set bitrate for ACKs 153c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 154c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 155c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @high: Flag to determine if we want to use high transmition rate 156c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * for ACKs or not 157c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 158c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * If high flag is set, we tell hw to use a set of control rates based on 159c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * the current transmition rate (check out control_rates array inside reset.c). 160c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * If not hw just uses the lowest rate available for the current modulation 161c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * scheme being used (1Mbit for CCK and 6Mbits for OFDM). 162c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 163c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_set_ack_bitrate_high(struct ath5k_hw *ah, bool high) 164c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 165c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version != AR5K_AR5212) 166c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return; 167c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else { 168c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 val = AR5K_STA_ID1_BASE_RATE_11B | AR5K_STA_ID1_ACKCTS_6MB; 169c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (high) 170c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, val); 171c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else 172c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, val); 173c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 174c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 175c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 176c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 177c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/******************\ 178c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* ACK/CTS Timeouts * 179c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\******************/ 180c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 181626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#if 0 182c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 183c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_het_ack_timeout - Get ACK timeout from PCU in usec 184c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 185c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 186c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 187c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisunsigned int ath5k_hw_get_ack_timeout(struct ath5k_hw *ah) 188c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 189c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 190c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1913578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek return ath5k_hw_clocktoh(ah, AR5K_REG_MS(ath5k_hw_reg_read(ah, 1923578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek AR5K_TIME_OUT), AR5K_TIME_OUT_ACK)); 193c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 194626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#endif 195c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 196c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 197c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_ack_timeout - Set ACK timeout on PCU 198c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 199c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 200c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @timeout: Timeout in usec 201c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 202626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskinstatic int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout) 203c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 204c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 2053578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_ACK)) 2063578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek <= timeout) 207c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 208c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 209c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_WRITE_BITS(ah, AR5K_TIME_OUT, AR5K_TIME_OUT_ACK, 2103578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek ath5k_hw_htoclock(ah, timeout)); 211c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 212c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 213c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 214c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 215626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#if 0 216c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 217c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_get_cts_timeout - Get CTS timeout from PCU in usec 218c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 219c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 220c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 221c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisunsigned int ath5k_hw_get_cts_timeout(struct ath5k_hw *ah) 222c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 223c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 2243578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek return ath5k_hw_clocktoh(ah, AR5K_REG_MS(ath5k_hw_reg_read(ah, 2253578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek AR5K_TIME_OUT), AR5K_TIME_OUT_CTS)); 226c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 227626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#endif 228c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 229c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 230c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_cts_timeout - Set CTS timeout on PCU 231c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 232c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 233c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @timeout: Timeout in usec 234c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 235626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskinstatic int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout) 236c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 237c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 2383578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_CTS)) 2393578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek <= timeout) 240c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 241c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 242c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_WRITE_BITS(ah, AR5K_TIME_OUT, AR5K_TIME_OUT_CTS, 2433578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek ath5k_hw_htoclock(ah, timeout)); 244c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 245c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 246c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 247c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 248c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 2493578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * ath5k_hw_htoclock - Translate usec to hw clock units 2503578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * 2513578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * @ah: The &struct ath5k_hw 2523578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * @usec: value in microseconds 2533578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek */ 2543578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turekunsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec) 2553578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek{ 2563578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek return usec * ath5k_hw_get_clockrate(ah); 2573578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek} 2583578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2593578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek/** 2603578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * ath5k_hw_clocktoh - Translate hw clock units to usec 2613578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * @clock: value in hw clock units 2623578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek */ 2633578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turekunsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock) 2643578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek{ 2653578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek return clock / ath5k_hw_get_clockrate(ah); 2663578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek} 2673578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2683578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek/** 2693578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * ath5k_hw_get_clockrate - Get the clock rate for current mode 2703578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * 2713578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek * @ah: The &struct ath5k_hw 2723578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek */ 2733578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turekunsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah) 2743578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek{ 2753578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek struct ieee80211_channel *channel = ah->ah_current_channel; 2763578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek int clock; 2773578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2783578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek if (channel->hw_value & CHANNEL_5GHZ) 2793578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek clock = 40; /* 802.11a */ 2803578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek else if (channel->hw_value & CHANNEL_CCK) 2813578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek clock = 22; /* 802.11b */ 2823578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek else 2833578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek clock = 44; /* 802.11g */ 2843578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2853578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek /* Clock rate in turbo modes is twice the normal rate */ 2863578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek if (channel->hw_value & CHANNEL_TURBO) 2873578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek clock *= 2; 2883578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2893578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek return clock; 2903578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek} 2913578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek 2923578e6ebb305e6bf7519f6e86741772892f4d51aLukáš Turek/** 2936e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * ath5k_hw_get_default_slottime - Get the default slot time for current mode 2946e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * 2956e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * @ah: The &struct ath5k_hw 2966e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek */ 297626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskinstatic unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah) 2986e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek{ 2996e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek struct ieee80211_channel *channel = ah->ah_current_channel; 3006e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3016e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek if (channel->hw_value & CHANNEL_TURBO) 3026e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 6; /* both turbo modes */ 3036e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3046e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek if (channel->hw_value & CHANNEL_CCK) 3056e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 20; /* 802.11b */ 3066e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3076e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 9; /* 802.11 a/g */ 3086e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek} 3096e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3106e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek/** 3116e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * ath5k_hw_get_default_sifs - Get the default SIFS for current mode 3126e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * 3136e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * @ah: The &struct ath5k_hw 3146e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek */ 315626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskinstatic unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah) 3166e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek{ 3176e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek struct ieee80211_channel *channel = ah->ah_current_channel; 3186e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3196e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek if (channel->hw_value & CHANNEL_TURBO) 3206e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 8; /* both turbo modes */ 3216e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3226e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek if (channel->hw_value & CHANNEL_5GHZ) 3236e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 16; /* 802.11a */ 3246e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3256e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek return 10; /* 802.11 b/g */ 3266e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek} 3276e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 3286e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek/** 329c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_lladdr - Set station id 330c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 331c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 332c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @mac: The card's mac address 333c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 334c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set station id on hw using the provided mac address 335c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 336c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac) 337c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 338954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez struct ath_common *common = ath5k_hw_common(ah); 339c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 low_id, high_id; 340f6bac3ea5990653765700b2c3778b08782abebe5Bob Copeland u32 pcu_reg; 341c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 342c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 343c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Set new station ID */ 344954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez memcpy(common->macaddr, mac, ETH_ALEN); 345c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 346f6bac3ea5990653765700b2c3778b08782abebe5Bob Copeland pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000; 347f6bac3ea5990653765700b2c3778b08782abebe5Bob Copeland 348bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez low_id = get_unaligned_le32(mac); 349bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez high_id = get_unaligned_le16(mac + 4); 350c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 351c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0); 352f6bac3ea5990653765700b2c3778b08782abebe5Bob Copeland ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1); 353c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 354c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 355c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 356c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 357c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 358c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_associd - Set BSSID for association 359c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 360c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 361c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @bssid: BSSID 362c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @assoc_id: Assoc id 363c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 364c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Sets the BSSID which trigers the "SME Join" operation 365c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 366be5d6b75e0fb3f7e23ea5325109ef4195f2b282aLuis R. Rodriguezvoid ath5k_hw_set_associd(struct ath5k_hw *ah) 367c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 368954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez struct ath_common *common = ath5k_hw_common(ah); 369c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u16 tim_offset = 0; 370c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 371c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 372c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set simple BSSID mask on 5212 373c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 374a72d57a862f700edf85da81aae3cd8f923e989a1Luis R. Rodriguez if (ah->ah_version == AR5K_AR5212) 375a72d57a862f700edf85da81aae3cd8f923e989a1Luis R. Rodriguez ath_hw_setbssidmask(common); 376c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 377c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 378c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set BSSID which triggers the "SME Join" operation 379c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 380abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez ath5k_hw_reg_write(ah, 381abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez get_unaligned_le32(common->curbssid), 382a3f86bff1c056f47c2df4c58bfcf7bdda8eaf9d0Luis R. Rodriguez AR5K_BSS_ID0); 383abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez ath5k_hw_reg_write(ah, 384abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez get_unaligned_le16(common->curbssid + 4) | 385abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez ((common->curaid & 0x3fff) << AR5K_BSS_ID1_AID_S), 386a3f86bff1c056f47c2df4c58bfcf7bdda8eaf9d0Luis R. Rodriguez AR5K_BSS_ID1); 387c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 388be5d6b75e0fb3f7e23ea5325109ef4195f2b282aLuis R. Rodriguez if (common->curaid == 0) { 389c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_disable_pspoll(ah); 390c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return; 391c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 392c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 393c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_WRITE_BITS(ah, AR5K_BEACON, AR5K_BEACON_TIM, 394abba06869e2546484fa142528737d1a0622add54Luis R. Rodriguez tim_offset ? tim_offset + 4 : 0); 395c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 396c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_enable_pspoll(ah, NULL, 0); 397c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 398c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 39913b81559200b8e54473e5b140323cbb5f2bb21c0Luis R. Rodriguezvoid ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask) 400c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 401954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez struct ath_common *common = ath5k_hw_common(ah); 402c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 403c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 404f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Cache bssid mask so that we can restore it 405f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * on reset */ 406954fecea5d1df4d1dc7bf9a822a2fad308e8588eLuis R. Rodriguez memcpy(common->bssidmask, mask, ETH_ALEN); 40713b81559200b8e54473e5b140323cbb5f2bb21c0Luis R. Rodriguez if (ah->ah_version == AR5K_AR5212) 40813b81559200b8e54473e5b140323cbb5f2bb21c0Luis R. Rodriguez ath_hw_setbssidmask(common); 409c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 410c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 411c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/************\ 412c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* RX Control * 413c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\************/ 414c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 415c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 416c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_start_rx_pcu - Start RX engine 417c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 418c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 419c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 420c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Starts RX engine on PCU so that hw can process RXed frames 421c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * (ACK etc). 422c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 423c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * NOTE: RX DMA should be already enabled using ath5k_hw_start_rx_dma 424c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * TODO: Init ANI here 425c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 426c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_start_rx_pcu(struct ath5k_hw *ah) 427c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 428c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 429c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX); 430c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 431c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 432c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 433c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * at5k_hw_stop_rx_pcu - Stop RX engine 434c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 435c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 436c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 437c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Stops RX engine on PCU 438c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 439c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * TODO: Detach ANI here 440c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 441c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah) 442c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 443c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 444c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX); 445c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 446c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 447c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 448c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set multicast filter 449c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 450c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_set_mcast_filter(struct ath5k_hw *ah, u32 filter0, u32 filter1) 451c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 452c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 453c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Set the multicat filter */ 454c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, filter0, AR5K_MCAST_FILTER0); 455c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, filter1, AR5K_MCAST_FILTER1); 456c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 457c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 458626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#if 0 459c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 460c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set multicast filter by index 461c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 462c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_mcast_filter_idx(struct ath5k_hw *ah, u32 index) 463c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 464c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 465c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 466c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (index >= 64) 467c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 468c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else if (index >= 32) 469c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_MCAST_FILTER1, 470c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis (1 << (index - 32))); 471c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else 472c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_MCAST_FILTER0, (1 << index)); 473c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 474c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 475c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 476c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 477c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 478c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Clear Multicast filter by index 479c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 480c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_clear_mcast_filter_idx(struct ath5k_hw *ah, u32 index) 481c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 482c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 483c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 484c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (index >= 64) 485c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 486c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else if (index >= 32) 487c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_MCAST_FILTER1, 488c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis (1 << (index - 32))); 489c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else 490c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_MCAST_FILTER0, (1 << index)); 491c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 492c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 493c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 494626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#endif 495c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 496c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 497c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_get_rx_filter - Get current rx filter 498c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 499c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 500c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 501c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Returns the RX filter by reading rx filter and 502c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * phy error filter registers. RX filter is used 503c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * to set the allowed frame types that PCU will accept 504c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * and pass to the driver. For a list of frame types 505c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * check out reg.h. 506c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 507c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisu32 ath5k_hw_get_rx_filter(struct ath5k_hw *ah) 508c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 509c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 data, filter = 0; 510c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 511c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 512c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis filter = ath5k_hw_reg_read(ah, AR5K_RX_FILTER); 513c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 514c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /*Radar detection for 5212*/ 515c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5212) { 516c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis data = ath5k_hw_reg_read(ah, AR5K_PHY_ERR_FIL); 517c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 518c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (data & AR5K_PHY_ERR_FIL_RADAR) 519c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis filter |= AR5K_RX_FILTER_RADARERR; 520c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (data & (AR5K_PHY_ERR_FIL_OFDM | AR5K_PHY_ERR_FIL_CCK)) 521c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis filter |= AR5K_RX_FILTER_PHYERR; 522c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 523c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 524c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return filter; 525c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 526c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 527c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 528c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_set_rx_filter - Set rx filter 529c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 530c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 531c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @filter: RX filter mask (see reg.h) 532c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 533c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Sets RX filter register and also handles PHY error filter 534c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * register on 5212 and newer chips so that we have proper PHY 535c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * error reporting. 536c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 537c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter) 538c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 539c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 data = 0; 540c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 541c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 542c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 543c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Set PHY error filter register on 5212*/ 544c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5212) { 545c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (filter & AR5K_RX_FILTER_RADARERR) 546c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis data |= AR5K_PHY_ERR_FIL_RADAR; 547c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (filter & AR5K_RX_FILTER_PHYERR) 548c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis data |= AR5K_PHY_ERR_FIL_OFDM | AR5K_PHY_ERR_FIL_CCK; 549c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 550c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 551c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 552c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * The AR5210 uses promiscous mode to detect radar activity 553c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 554c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5210 && 555c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis (filter & AR5K_RX_FILTER_RADARERR)) { 556c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis filter &= ~AR5K_RX_FILTER_RADARERR; 557c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis filter |= AR5K_RX_FILTER_PROM; 558c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 559c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 560f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /*Zero length DMA (phy error reporting) */ 561c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (data) 562c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_RXCFG, AR5K_RXCFG_ZLFDMA); 563c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis else 564c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_RXCFG, AR5K_RXCFG_ZLFDMA); 565c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 566c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /*Write RX Filter register*/ 567c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, filter & 0xff, AR5K_RX_FILTER); 568c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 569c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /*Write PHY error filter register on 5212*/ 570c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5212) 571c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, data, AR5K_PHY_ERR_FIL); 572c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 573c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 574c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 575c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 576c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/****************\ 577c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* Beacon control * 578c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\****************/ 579c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 580c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 581c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_get_tsf64 - Get the full 64bit TSF 582c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 583c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 584c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 585c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Returns the current TSF 586c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 587c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisu64 ath5k_hw_get_tsf64(struct ath5k_hw *ah) 588c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 589c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u64 tsf = ath5k_hw_reg_read(ah, AR5K_TSF_U32); 590c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 591c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 592c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return ath5k_hw_reg_read(ah, AR5K_TSF_L32) | (tsf << 32); 593c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 594c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 595c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/** 5968cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * ath5k_hw_set_tsf64 - Set a new 64bit TSF 5978cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * 5988cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * @ah: The &struct ath5k_hw 5998cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * @tsf64: The new 64bit TSF 6008cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * 6018cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen * Sets the new TSF 6028cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen */ 6038cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsenvoid ath5k_hw_set_tsf64(struct ath5k_hw *ah, u64 tsf64) 6048cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen{ 6058cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen ATH5K_TRACE(ah->ah_sc); 6068cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen 6078cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen ath5k_hw_reg_write(ah, tsf64 & 0xffffffff, AR5K_TSF_L32); 6080ad65bd7e1b38dd2c86da5f07dbfa35fe1f03099Alina Friedrichsen ath5k_hw_reg_write(ah, (tsf64 >> 32) & 0xffffffff, AR5K_TSF_U32); 6098cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen} 6108cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen 6118cab7581dba90b0519e25784e08feb5dedde737fAlina Friedrichsen/** 612c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ath5k_hw_reset_tsf - Force a TSF reset 613c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 614c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * @ah: The &struct ath5k_hw 615c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 616c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Forces a TSF reset on PCU 617c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 618c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_reset_tsf(struct ath5k_hw *ah) 619c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 62014be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland u32 val; 62114be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland 622c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 62314be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland 62414be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland val = ath5k_hw_reg_read(ah, AR5K_BEACON) | AR5K_BEACON_RESET_TSF; 62514be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland 62614be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland /* 62714be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland * Each write to the RESET_TSF bit toggles a hardware internal 62814be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland * signal to reset TSF, but if left high it will cause a TSF reset 62914be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland * on the next chip reset as well. Thus we always write the value 63014be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland * twice to clear the signal. 63114be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland */ 63214be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland ath5k_hw_reg_write(ah, val, AR5K_BEACON); 63314be9947ef9843102b67d315c7483de112b5b2d7Bob Copeland ath5k_hw_reg_write(ah, val, AR5K_BEACON); 634c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 635c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 636c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 637c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Initialize beacon timers 638c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 639c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_init_beacon(struct ath5k_hw *ah, u32 next_beacon, u32 interval) 640c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 641c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 timer1, timer2, timer3; 642c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 643c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 644c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 645c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set the additional timers by mode 646c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 647c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis switch (ah->ah_op_mode) { 648f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis case NL80211_IFTYPE_MONITOR: 64905c914fe330fa8e1cc67870dc0d3809dfd96c107Johannes Berg case NL80211_IFTYPE_STATION: 650f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* In STA mode timer1 is used as next wakeup 651f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * timer and timer2 as next CFP duration start 652f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * timer. Both in 1/8TUs. */ 653f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* TODO: PCF handling */ 654c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5210) { 655c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer1 = 0xffffffff; 656c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer2 = 0xffffffff; 657c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } else { 658c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer1 = 0x0000ffff; 659c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer2 = 0x0007ffff; 660c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 661f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Mark associated AP as PCF incapable for now */ 662f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, AR5K_STA_ID1_PCF); 663c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis break; 664f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis case NL80211_IFTYPE_ADHOC: 665f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_TXCFG, AR5K_TXCFG_ADHOC_BCN_ATIM); 666c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis default: 667f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* On non-STA modes timer1 is used as next DMA 668f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * beacon alert (DBA) timer and timer2 as next 669f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * software beacon alert. Both in 1/8TUs. */ 670c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer1 = (next_beacon - AR5K_TUNE_DMA_BEACON_RESP) << 3; 671c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) << 3; 672f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis break; 673c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 674c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 675f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Timer3 marks the end of our ATIM window 676f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * a zero length window is not allowed because 677f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * we 'll get no beacons */ 678c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis timer3 = next_beacon + (ah->ah_atim_window ? ah->ah_atim_window : 1); 679c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 680c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 681c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set the beacon register and enable all timers. 682c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 68335edf8aae8f903b154d658b9a7eed0d5c1a4a814Nick Kossifidis /* When in AP or Mesh Point mode zero timer0 to start TSF */ 68435edf8aae8f903b154d658b9a7eed0d5c1a4a814Nick Kossifidis if (ah->ah_op_mode == NL80211_IFTYPE_AP || 68535edf8aae8f903b154d658b9a7eed0d5c1a4a814Nick Kossifidis ah->ah_op_mode == NL80211_IFTYPE_MESH_POINT) 686f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_TIMER0); 687428cbd4ff4d0f2423f49e499f499f04a636cb152Nick Kossifidis 688428cbd4ff4d0f2423f49e499f499f04a636cb152Nick Kossifidis ath5k_hw_reg_write(ah, next_beacon, AR5K_TIMER0); 689c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, timer1, AR5K_TIMER1); 690c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, timer2, AR5K_TIMER2); 691c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, timer3, AR5K_TIMER3); 692c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 693f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Force a TSF reset if requested and enable beacons */ 694f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis if (interval & AR5K_BEACON_RESET_TSF) 695f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis ath5k_hw_reset_tsf(ah); 696f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 697c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, interval & (AR5K_BEACON_PERIOD | 698f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis AR5K_BEACON_ENABLE), 699f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis AR5K_BEACON); 700f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 701f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Flush any pending BMISS interrupts on ISR by 702f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * performing a clear-on-write operation on PISR 703f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * register for the BMISS bit (writing a bit on 704f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * ISR togles a reset for that bit and leaves 705f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * the rest bits intact) */ 706f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis if (ah->ah_version == AR5K_AR5210) 707f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis ath5k_hw_reg_write(ah, AR5K_ISR_BMISS, AR5K_ISR); 708f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis else 709f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis ath5k_hw_reg_write(ah, AR5K_ISR_BMISS, AR5K_PISR); 710f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 711f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* TODO: Set enchanced sleep registers on AR5212 712f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * based on vif->bss_conf params, until then 713f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * disable power save reporting.*/ 714f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, AR5K_STA_ID1_PWR_SV); 715f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 716c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 717c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 718c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#if 0 719c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 720c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set beacon timers 721c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 722c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_beacon_timers(struct ath5k_hw *ah, 723c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis const struct ath5k_beacon_state *state) 724c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 725c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 cfp_period, next_cfp, dtim, interval, next_beacon; 726c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 727c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 728c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * TODO: should be changed through *state 729c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * review struct ath5k_beacon_state struct 730c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 731c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * XXX: These are used for cfp period bellow, are they 732c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * ok ? Is it O.K. for tsf here to be 0 or should we use 733c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * get_tsf ? 734c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 735c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 dtim_count = 0; /* XXX */ 736c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 cfp_count = 0; /* XXX */ 737c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 tsf = 0; /* XXX */ 738c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 739c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 740c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Return on an invalid beacon state */ 741c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (state->bs_interval < 1) 742c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 743c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 744c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis interval = state->bs_interval; 745c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis dtim = state->bs_dtim_period; 746c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 747c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 748c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * PCF support? 749c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 750c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (state->bs_cfp_period > 0) { 751c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 752c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Enable PCF mode and set the CFP 753c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * (Contention Free Period) and timer registers 754c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 755c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis cfp_period = state->bs_cfp_period * state->bs_dtim_period * 756c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_interval; 757c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis next_cfp = (cfp_count * state->bs_dtim_period + dtim_count) * 758c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_interval; 759c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 760c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, 761c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_DEFAULT_ANTENNA | 762c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_PCF); 763c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, cfp_period, AR5K_CFP_PERIOD); 764c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, state->bs_cfp_max_duration, 765c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_CFP_DUR); 766c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, (tsf + (next_cfp == 0 ? cfp_period : 767c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis next_cfp)) << 3, AR5K_TIMER2); 768c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } else { 769c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Disable PCF mode */ 770c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 771c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_DEFAULT_ANTENNA | 772c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_PCF); 773c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 774c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 775c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 776c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Enable the beacon timer register 777c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 778c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, state->bs_next_beacon, AR5K_TIMER0); 779c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 780c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 781c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Start the beacon timers 782c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 783c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, (ath5k_hw_reg_read(ah, AR5K_BEACON) & 784c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ~(AR5K_BEACON_PERIOD | AR5K_BEACON_TIM)) | 785c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM(state->bs_tim_offset ? state->bs_tim_offset + 4 : 0, 786c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_BEACON_TIM) | AR5K_REG_SM(state->bs_interval, 787c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_BEACON_PERIOD), AR5K_BEACON); 788c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 789c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 790c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Write new beacon miss threshold, if it appears to be valid 791c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * XXX: Figure out right values for min <= bs_bmiss_threshold <= max 792c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * and return if its not in range. We can test this by reading value and 793c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * setting value to a largest value and seeing which values register. 794c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 795c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 796c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_WRITE_BITS(ah, AR5K_RSSI_THR, AR5K_RSSI_THR_BMISS, 797c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_bmiss_threshold); 798c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 799c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 800c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set sleep control register 801c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * XXX: Didn't find this in 5210 code but since this register 802c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * exists also in ar5k's 5210 headers i leave it as common code. 803c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 804c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_WRITE_BITS(ah, AR5K_SLEEP_CTL, AR5K_SLEEP_CTL_SLDUR, 805c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis (state->bs_sleep_duration - 3) << 3); 806c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 807c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 808c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set enhanced sleep registers on 5212 809c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 810c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5212) { 811c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (state->bs_sleep_duration > state->bs_interval && 812c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis roundup(state->bs_sleep_duration, interval) == 813c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_sleep_duration) 814c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis interval = state->bs_sleep_duration; 815c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 816c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (state->bs_sleep_duration > dtim && (dtim == 0 || 817c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis roundup(state->bs_sleep_duration, dtim) == 818c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_sleep_duration)) 819c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis dtim = state->bs_sleep_duration; 820c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 821c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (interval > dtim) 822c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EINVAL; 823c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 824c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis next_beacon = interval == dtim ? state->bs_next_dtim : 825c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis state->bs_next_beacon; 826c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 827c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 828c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM((state->bs_next_dtim - 3) << 3, 829c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_SLEEP0_NEXT_DTIM) | 830c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM(10, AR5K_SLEEP0_CABTO) | 831c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_SLEEP0_ENH_SLEEP_EN | 832c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_SLEEP0_ASSUME_DTIM, AR5K_SLEEP0); 833c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 834c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, AR5K_REG_SM((next_beacon - 3) << 3, 835c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_SLEEP1_NEXT_TIM) | 836c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM(10, AR5K_SLEEP1_BEACON_TO), AR5K_SLEEP1); 837c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 838c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 839c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM(interval, AR5K_SLEEP2_TIM_PER) | 840c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_SM(dtim, AR5K_SLEEP2_DTIM_PER), AR5K_SLEEP2); 841c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 842c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 843c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 844c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 845c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 846c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 847c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Reset beacon timers 848c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 849c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisvoid ath5k_hw_reset_beacon(struct ath5k_hw *ah) 850c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 851c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 852c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 853c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Disable beacon timer 854c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 855c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_TIMER0); 856c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 857c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 858c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Disable some beacon register values 859c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 860c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 861c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_STA_ID1_DEFAULT_ANTENNA | AR5K_STA_ID1_PCF); 862c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, AR5K_BEACON_PERIOD, AR5K_BEACON); 863c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 864c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 865c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 866c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Wait for beacon queue to finish 867c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 868c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_beaconq_finish(struct ath5k_hw *ah, unsigned long phys_addr) 869c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 870c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis unsigned int i; 871c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis int ret; 872c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 873c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 874c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 875c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 5210 doesn't have QCU*/ 876c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (ah->ah_version == AR5K_AR5210) { 877c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 878c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Wait for beaconn queue to finish by checking 879c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Control Register and Beacon Status Register. 880c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 881c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis for (i = AR5K_TUNE_BEACON_INTERVAL / 2; i > 0; i--) { 882c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (!(ath5k_hw_reg_read(ah, AR5K_BSR) & AR5K_BSR_TXQ1F) 883c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis || 884c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis !(ath5k_hw_reg_read(ah, AR5K_CR) & AR5K_BSR_TXQ1F)) 885c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis break; 886c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis udelay(10); 887c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 888c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 889c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Timeout... */ 890c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (i <= 0) { 891c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 892c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Re-schedule the beacon queue 893c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 894c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, phys_addr, AR5K_NOQCU_TXDP1); 895c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, AR5K_BCR_TQ1V | AR5K_BCR_BDMAE, 896c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_BCR); 897c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 898c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EIO; 899c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 900c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ret = 0; 901c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } else { 902c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /*5211/5212*/ 903c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ret = ath5k_hw_register_timeout(ah, 904c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_QUEUE_STATUS(AR5K_TX_QUEUE_ID_BEACON), 905c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_QCU_STS_FRMPENDCNT, 0, false); 906c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 907c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis if (AR5K_REG_READ_Q(ah, AR5K_QCU_TXE, AR5K_TX_QUEUE_ID_BEACON)) 908c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EIO; 909c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 910c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 911c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return ret; 912c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 913c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis#endif 914c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 915c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 916c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/*********************\ 917c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis* Key table functions * 918c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis\*********************/ 919c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 920c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 921c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Reset a key entry on the table 922c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 923c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry) 924c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 925f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis unsigned int i, type; 92617683c65c8a5f3f29f5408334992986b996d8205Bob Copeland u16 micentry = entry + AR5K_KEYTABLE_MIC_OFFSET; 927c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 928c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 929c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE); 930c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 931f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis type = ath5k_hw_reg_read(ah, AR5K_KEYTABLE_TYPE(entry)); 932f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 933c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis for (i = 0; i < AR5K_KEYCACHE_SIZE; i++) 934c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_OFF(entry, i)); 935c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 936f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis /* Reset associated MIC entry if TKIP 937f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis * is enabled located at offset (entry + 64) */ 938f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis if (type == AR5K_KEYTABLE_TYPE_TKIP) { 93917683c65c8a5f3f29f5408334992986b996d8205Bob Copeland AR5K_ASSERT_ENTRY(micentry, AR5K_KEYTABLE_SIZE); 940f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis for (i = 0; i < AR5K_KEYCACHE_SIZE / 2 ; i++) 94117683c65c8a5f3f29f5408334992986b996d8205Bob Copeland ath5k_hw_reg_write(ah, 0, 94217683c65c8a5f3f29f5408334992986b996d8205Bob Copeland AR5K_KEYTABLE_OFF(micentry, i)); 943f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis } 944f07a6c495e88ae0143e3c20b1ed666314197277fNick Kossifidis 945c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* 946c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set NULL encryption on AR5212+ 947c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 948c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Note: AR5K_KEYTABLE_TYPE -> AR5K_KEYTABLE_OFF(entry, 5) 949c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * AR5K_KEYTABLE_TYPE_NULL -> 0x00000007 950c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 951c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Note2: Windows driver (ndiswrapper) sets this to 952c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * 0x00000714 instead of 0x00000007 953c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 954ded7a7eaab2a39b7b5c36a2ec3be46f6ebcedba5Jiri Slaby if (ah->ah_version >= AR5K_AR5211) { 955c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL, 956c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_KEYTABLE_TYPE(entry)); 957c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 95817683c65c8a5f3f29f5408334992986b996d8205Bob Copeland if (type == AR5K_KEYTABLE_TYPE_TKIP) { 95917683c65c8a5f3f29f5408334992986b996d8205Bob Copeland ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL, 96017683c65c8a5f3f29f5408334992986b996d8205Bob Copeland AR5K_KEYTABLE_TYPE(micentry)); 96117683c65c8a5f3f29f5408334992986b996d8205Bob Copeland } 96217683c65c8a5f3f29f5408334992986b996d8205Bob Copeland } 96317683c65c8a5f3f29f5408334992986b996d8205Bob Copeland 964c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 965c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 966c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 967626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#if 0 968c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 969c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Check if a table entry is valid 970c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 971c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_is_key_valid(struct ath5k_hw *ah, u16 entry) 972c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 973c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 974c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE); 975c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 976c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Check the validation flag at the end of the entry */ 977c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return ath5k_hw_reg_read(ah, AR5K_KEYTABLE_MAC1(entry)) & 978c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_KEYTABLE_VALID; 979c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 980626ede6b1aafb3a8cadfdd04b512fd1d3dc2113ePavel Roskin#endif 981c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 982671434904633876f89be70af415c35c89fb90115Bob Copelandstatic 983671434904633876f89be70af415c35c89fb90115Bob Copelandint ath5k_keycache_type(const struct ieee80211_key_conf *key) 984671434904633876f89be70af415c35c89fb90115Bob Copeland{ 985671434904633876f89be70af415c35c89fb90115Bob Copeland switch (key->alg) { 986671434904633876f89be70af415c35c89fb90115Bob Copeland case ALG_TKIP: 987671434904633876f89be70af415c35c89fb90115Bob Copeland return AR5K_KEYTABLE_TYPE_TKIP; 988671434904633876f89be70af415c35c89fb90115Bob Copeland case ALG_CCMP: 989671434904633876f89be70af415c35c89fb90115Bob Copeland return AR5K_KEYTABLE_TYPE_CCM; 990671434904633876f89be70af415c35c89fb90115Bob Copeland case ALG_WEP: 991e31a16d6f64ef0e324c6f54d5112703c3f13a9c4Zhu Yi if (key->keylen == WLAN_KEY_LEN_WEP40) 992671434904633876f89be70af415c35c89fb90115Bob Copeland return AR5K_KEYTABLE_TYPE_40; 993e31a16d6f64ef0e324c6f54d5112703c3f13a9c4Zhu Yi else if (key->keylen == WLAN_KEY_LEN_WEP104) 994671434904633876f89be70af415c35c89fb90115Bob Copeland return AR5K_KEYTABLE_TYPE_104; 9953cfcf6ac6d69dc290e96416731eea5c88ac7d426Jouni Malinen return -EINVAL; 9963cfcf6ac6d69dc290e96416731eea5c88ac7d426Jouni Malinen default: 9973cfcf6ac6d69dc290e96416731eea5c88ac7d426Jouni Malinen return -EINVAL; 998671434904633876f89be70af415c35c89fb90115Bob Copeland } 999671434904633876f89be70af415c35c89fb90115Bob Copeland return -EINVAL; 1000671434904633876f89be70af415c35c89fb90115Bob Copeland} 1001671434904633876f89be70af415c35c89fb90115Bob Copeland 1002c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis/* 1003c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis * Set a key entry on the table 1004c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis */ 1005c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_key(struct ath5k_hw *ah, u16 entry, 1006c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis const struct ieee80211_key_conf *key, const u8 *mac) 1007c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 1008c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis unsigned int i; 10093f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland int keylen; 1010c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis __le32 key_v[5] = {}; 10113f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland __le32 key0 = 0, key1 = 0; 10123f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland __le32 *rxmic, *txmic; 1013672cf3cefe5f686637dec72b9f3d21fe1cdc8c94Roel Kluin int keytype; 10143f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland u16 micentry = entry + AR5K_KEYTABLE_MIC_OFFSET; 10153f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland bool is_tkip; 1016671434904633876f89be70af415c35c89fb90115Bob Copeland const u8 *key_ptr; 1017c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1018c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 1019c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 10203f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland is_tkip = (key->alg == ALG_TKIP); 10213f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland 10223f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland /* 10233f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland * key->keylen comes in from mac80211 in bytes. 10243f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland * TKIP is 128 bit + 128 bit mic 10253f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland */ 10263f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland keylen = (is_tkip) ? (128 / 8) : key->keylen; 1027c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 10283f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland if (entry > AR5K_KEYTABLE_SIZE || 10293f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland (is_tkip && micentry > AR5K_KEYTABLE_SIZE)) 1030c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return -EOPNOTSUPP; 1031c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1032671434904633876f89be70af415c35c89fb90115Bob Copeland if (unlikely(keylen > 16)) 1033671434904633876f89be70af415c35c89fb90115Bob Copeland return -EOPNOTSUPP; 1034c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1035671434904633876f89be70af415c35c89fb90115Bob Copeland keytype = ath5k_keycache_type(key); 1036671434904633876f89be70af415c35c89fb90115Bob Copeland if (keytype < 0) 1037671434904633876f89be70af415c35c89fb90115Bob Copeland return keytype; 1038c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1039671434904633876f89be70af415c35c89fb90115Bob Copeland /* 1040671434904633876f89be70af415c35c89fb90115Bob Copeland * each key block is 6 bytes wide, written as pairs of 1041671434904633876f89be70af415c35c89fb90115Bob Copeland * alternating 32 and 16 bit le values. 1042671434904633876f89be70af415c35c89fb90115Bob Copeland */ 1043671434904633876f89be70af415c35c89fb90115Bob Copeland key_ptr = key->key; 1044671434904633876f89be70af415c35c89fb90115Bob Copeland for (i = 0; keylen >= 6; keylen -= 6) { 1045671434904633876f89be70af415c35c89fb90115Bob Copeland memcpy(&key_v[i], key_ptr, 6); 1046671434904633876f89be70af415c35c89fb90115Bob Copeland i += 2; 1047671434904633876f89be70af415c35c89fb90115Bob Copeland key_ptr += 6; 1048c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 1049671434904633876f89be70af415c35c89fb90115Bob Copeland if (keylen) 1050671434904633876f89be70af415c35c89fb90115Bob Copeland memcpy(&key_v[i], key_ptr, keylen); 1051c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 10523f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland /* intentionally corrupt key until mic is installed */ 10533f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland if (is_tkip) { 10543f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland key0 = key_v[0] = ~key_v[0]; 10553f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland key1 = key_v[1] = ~key_v[1]; 10563f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland } 10573f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland 1058c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis for (i = 0; i < ARRAY_SIZE(key_v); i++) 1059c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, le32_to_cpu(key_v[i]), 1060c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_KEYTABLE_OFF(entry, i)); 1061c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1062c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, keytype, AR5K_KEYTABLE_TYPE(entry)); 1063c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 10643f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland if (is_tkip) { 10653f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland /* Install rx/tx MIC */ 10663f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland rxmic = (__le32 *) &key->key[16]; 10673f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland txmic = (__le32 *) &key->key[24]; 1068f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland 1069f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland if (ah->ah_combined_mic) { 1070f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[0] = rxmic[0]; 1071388cdf31db6dfc3d175786a76989266380e12c26Bob Copeland key_v[1] = cpu_to_le32(le32_to_cpu(txmic[0]) >> 16); 1072f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[2] = rxmic[1]; 1073388cdf31db6dfc3d175786a76989266380e12c26Bob Copeland key_v[3] = cpu_to_le32(le32_to_cpu(txmic[0]) & 0xffff); 1074f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[4] = txmic[1]; 1075f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland } else { 1076f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[0] = rxmic[0]; 1077f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[1] = 0; 1078f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[2] = rxmic[1]; 1079f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[3] = 0; 1080f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland key_v[4] = 0; 1081f650470a8f506bc33a15778432ebb8cdcf89175bBob Copeland } 10823f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland for (i = 0; i < ARRAY_SIZE(key_v); i++) 10833f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, le32_to_cpu(key_v[i]), 10843f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland AR5K_KEYTABLE_OFF(micentry, i)); 10853f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland 10863f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, AR5K_KEYTABLE_TYPE_NULL, 10873f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland AR5K_KEYTABLE_TYPE(micentry)); 10883f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_MAC0(micentry)); 10893f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, 0, AR5K_KEYTABLE_MAC1(micentry)); 10903f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland 10913f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland /* restore first 2 words of key */ 10923f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, le32_to_cpu(~key0), 10933f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland AR5K_KEYTABLE_OFF(entry, 0)); 10943f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland ath5k_hw_reg_write(ah, le32_to_cpu(~key1), 10953f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland AR5K_KEYTABLE_OFF(entry, 1)); 10963f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland } 10973f64b435ab76e79bfb3b4d36f043e6f892093b71Bob Copeland 1098c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return ath5k_hw_set_key_lladdr(ah, entry, mac); 1099c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 1100c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1101c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidisint ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac) 1102c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis{ 1103c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis u32 low_id, high_id; 1104c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1105c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ATH5K_TRACE(ah->ah_sc); 1106c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis /* Invalid entry (key table overflow) */ 1107c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE); 1108c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1109bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez /* 1110bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez * MAC may be NULL if it's a broadcast key. In this case no need to 1111bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez * to compute get_unaligned_le32 and get_unaligned_le16 as we 1112bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez * already know it. 1113bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez */ 1114dc822b5db479dc0178d5c04cbb656dad0b6564fbJohannes Berg if (!mac) { 1115c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis low_id = 0xffffffff; 1116c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis high_id = 0xffff | AR5K_KEYTABLE_VALID; 1117c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } else { 1118bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez low_id = get_unaligned_le32(mac); 1119bcd8f54a84ce99ade91c250a9bc850a9fd3389c1Luis R. Rodriguez high_id = get_unaligned_le16(mac + 4) | AR5K_KEYTABLE_VALID; 1120c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis } 1121c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1122c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, low_id, AR5K_KEYTABLE_MAC0(entry)); 1123c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis ath5k_hw_reg_write(ah, high_id, AR5K_KEYTABLE_MAC1(entry)); 1124c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 1125c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis return 0; 1126c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis} 1127c6e387a214f4b2c4bd48020409e366c133385d98Nick Kossifidis 11286e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek/** 11296e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * ath5k_hw_set_coverage_class - Set IEEE 802.11 coverage class 11306e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * 11316e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * @ah: The &struct ath5k_hw 11326e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * @coverage_class: IEEE 802.11 coverage class number 11336e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * 11346e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek * Sets slot time, ACK timeout and CTS timeout for given coverage class. 11356e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek */ 11366e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turekvoid ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class) 11376e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek{ 11386e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek /* As defined by IEEE 802.11-2007 17.3.8.6 */ 11396e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek int slot_time = ath5k_hw_get_default_slottime(ah) + 3 * coverage_class; 11406e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek int ack_timeout = ath5k_hw_get_default_sifs(ah) + slot_time; 11416e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek int cts_timeout = ack_timeout; 11426e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 11436e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek ath5k_hw_set_slot_time(ah, slot_time); 11446e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek ath5k_hw_set_ack_timeout(ah, ack_timeout); 11456e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek ath5k_hw_set_cts_timeout(ah, cts_timeout); 11466e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek 11476e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek ah->ah_coverage_class = coverage_class; 11486e08d228b6d8e93d7b25b3573c6da7da179c2ae1Lukáš Turek} 1149