Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2009 Atheros Communications Inc. |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include <net/mac80211.h> |
| 18 | |
| 19 | #include "../ath.h" |
Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 20 | |
| 21 | #include "hw.h" |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 22 | #include "hw-ops.h" |
Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 23 | |
| 24 | /* Common header for Atheros 802.11n base driver cores */ |
| 25 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 26 | #define IEEE80211_WEP_NKID 4 |
| 27 | |
Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 28 | #define WME_NUM_TID 16 |
| 29 | #define WME_BA_BMP_SIZE 64 |
| 30 | #define WME_MAX_BA WME_BA_BMP_SIZE |
| 31 | #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) |
| 32 | |
Felix Fietkau | 066dae9 | 2010-11-07 14:59:39 +0100 | [diff] [blame] | 33 | /* These must match mac80211 skb queue mapping numbers */ |
| 34 | #define WME_AC_VO 0 |
| 35 | #define WME_AC_VI 1 |
| 36 | #define WME_AC_BE 2 |
| 37 | #define WME_AC_BK 3 |
Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 38 | #define WME_NUM_AC 4 |
| 39 | |
| 40 | #define ATH_RSSI_DUMMY_MARKER 0x127 |
| 41 | #define ATH_RSSI_LPF_LEN 10 |
| 42 | #define RSSI_LPF_THRESHOLD -20 |
| 43 | #define ATH_RSSI_EP_MULTIPLIER (1<<7) |
| 44 | #define ATH_EP_MUL(x, mul) ((x) * (mul)) |
| 45 | #define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER)) |
| 46 | #define ATH_LPF_RSSI(x, y, len) \ |
| 47 | ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) |
| 48 | #define ATH_RSSI_LPF(x, y) do { \ |
| 49 | if ((y) >= RSSI_LPF_THRESHOLD) \ |
| 50 | x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \ |
| 51 | } while (0) |
| 52 | #define ATH_EP_RND(x, mul) \ |
| 53 | ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) |
| 54 | |
Vivek Natarajan | d99eeb8 | 2010-08-18 19:57:48 +0530 | [diff] [blame] | 55 | /* Defines the BT AR_BT_COEX_WGHT used */ |
| 56 | enum ath_stomp_type { |
| 57 | ATH_BTCOEX_NO_STOMP, |
| 58 | ATH_BTCOEX_STOMP_ALL, |
| 59 | ATH_BTCOEX_STOMP_LOW, |
| 60 | ATH_BTCOEX_STOMP_NONE |
| 61 | }; |
| 62 | |
Benoit Papillault | 1bc1488 | 2009-11-24 15:49:18 +0100 | [diff] [blame] | 63 | int ath9k_cmn_padpos(__le16 frame_control); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 64 | int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb); |
Felix Fietkau | babcbc2 | 2010-10-20 02:09:46 +0200 | [diff] [blame] | 65 | void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan, |
| 66 | struct ieee80211_channel *chan, |
| 67 | enum nl80211_channel_type channel_type); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 68 | struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw, |
| 69 | struct ath_hw *ah); |
Sujith | 61389f3 | 2010-06-02 15:53:37 +0530 | [diff] [blame] | 70 | int ath9k_cmn_count_streams(unsigned int chainmask, int max); |
Vivek Natarajan | d99eeb8 | 2010-08-18 19:57:48 +0530 | [diff] [blame] | 71 | void ath9k_cmn_btcoex_bt_stomp(struct ath_common *common, |
| 72 | enum ath_stomp_type stomp_type); |