/* * Shared Atheros AR9170 Header * * RX/TX meta descriptor format * * Copyright 2008, Johannes Berg * Copyright 2009, 2010, Christian Lamparter * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, see * http://www.gnu.org/licenses/. * * This file incorporates work covered by the following copyright and * permission notice: * Copyright (c) 2007-2008 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __CARL9170_SHARED_WLAN_H #define __CARL9170_SHARED_WLAN_H #include "fwcmd.h" #define AR9170_RX_PHY_RATE_CCK_1M 0x0a #define AR9170_RX_PHY_RATE_CCK_2M 0x14 #define AR9170_RX_PHY_RATE_CCK_5M 0x37 #define AR9170_RX_PHY_RATE_CCK_11M 0x6e #define AR9170_ENC_ALG_NONE 0x0 #define AR9170_ENC_ALG_WEP64 0x1 #define AR9170_ENC_ALG_TKIP 0x2 #define AR9170_ENC_ALG_AESCCMP 0x4 #define AR9170_ENC_ALG_WEP128 0x5 #define AR9170_ENC_ALG_WEP256 0x6 #define AR9170_ENC_ALG_CENC 0x7 #define AR9170_RX_ENC_SOFTWARE 0x8 #define AR9170_RX_STATUS_MODULATION 0x03 #define AR9170_RX_STATUS_MODULATION_S 0 #define AR9170_RX_STATUS_MODULATION_CCK 0x00 #define AR9170_RX_STATUS_MODULATION_OFDM 0x01 #define AR9170_RX_STATUS_MODULATION_HT 0x02 #define AR9170_RX_STATUS_MODULATION_DUPOFDM 0x03 /* depends on modulation */ #define AR9170_RX_STATUS_SHORT_PREAMBLE 0x08 #define AR9170_RX_STATUS_GREENFIELD 0x08 #define AR9170_RX_STATUS_MPDU 0x30 #define AR9170_RX_STATUS_MPDU_S 4 #define AR9170_RX_STATUS_MPDU_SINGLE 0x00 #define AR9170_RX_STATUS_MPDU_FIRST 0x20 #define AR9170_RX_STATUS_MPDU_MIDDLE 0x30 #define AR9170_RX_STATUS_MPDU_LAST 0x10 #define AR9170_RX_STATUS_CONT_AGGR 0x40 #define AR9170_RX_STATUS_TOTAL_ERROR 0x80 #define AR9170_RX_ERROR_RXTO 0x01 #define AR9170_RX_ERROR_OVERRUN 0x02 #define AR9170_RX_ERROR_DECRYPT 0x04 #define AR9170_RX_ERROR_FCS 0x08 #define AR9170_RX_ERROR_WRONG_RA 0x10 #define AR9170_RX_ERROR_PLCP 0x20 #define AR9170_RX_ERROR_MMIC 0x40 /* these are either-or */ #define AR9170_TX_MAC_PROT_RTS 0x0001 #define AR9170_TX_MAC_PROT_CTS 0x0002 #define AR9170_TX_MAC_PROT 0x0003 #define AR9170_TX_MAC_NO_ACK 0x0004 /* if unset, MAC will only do SIFS space before frame */ #define AR9170_TX_MAC_BACKOFF 0x0008 #define AR9170_TX_MAC_BURST 0x0010 #define AR9170_TX_MAC_AGGR 0x0020 /* encryption is a two-bit field */ #define AR9170_TX_MAC_ENCR_NONE 0x0000 #define AR9170_TX_MAC_ENCR_RC4 0x0040 #define AR9170_TX_MAC_ENCR_CENC 0x0080 #define AR9170_TX_MAC_ENCR_AES 0x00c0 #define AR9170_TX_MAC_MMIC 0x0100 #define AR9170_TX_MAC_HW_DURATION 0x0200 #define AR9170_TX_MAC_QOS_S 10 #define AR9170_TX_MAC_QOS 0x0c00 #define AR9170_TX_MAC_DISABLE_TXOP 0x1000 #define AR9170_TX_MAC_TXOP_RIFS 0x2000 #define AR9170_TX_MAC_IMM_BA 0x4000 /* either-or */ #define AR9170_TX_PHY_MOD_CCK 0x00000000 #define AR9170_TX_PHY_MOD_OFDM 0x00000001 #define AR9170_TX_PHY_MOD_HT 0x00000002 /* depends on modulation */ #define AR9170_TX_PHY_SHORT_PREAMBLE 0x00000004 #define AR9170_TX_PHY_GREENFIELD 0x00000004 #define AR9170_TX_PHY_BW_S 3 #define AR9170_TX_PHY_BW (3 << AR9170_TX_PHY_BW_SHIFT) #define AR9170_TX_PHY_BW_20MHZ 0 #define AR9170_TX_PHY_BW_40MHZ 2 #define AR9170_TX_PHY_BW_40MHZ_DUP 3 #define AR9170_TX_PHY_TX_HEAVY_CLIP_S 6 #define AR9170_TX_PHY_TX_HEAVY_CLIP (7 << \ AR9170_TX_PHY_TX_HEAVY_CLIP_S) #define AR9170_TX_PHY_TX_PWR_S 9 #define AR9170_TX_PHY_TX_PWR (0x3f << \ AR9170_TX_PHY_TX_PWR_S) #define AR9170_TX_PHY_TXCHAIN_S 15 #define AR9170_TX_PHY_TXCHAIN (7 << \ AR9170_TX_PHY_TXCHAIN_S) #define AR9170_TX_PHY_TXCHAIN_1 1 /* use for cck, ofdm 6/9/12/18/24 and HT if capable */ #define AR9170_TX_PHY_TXCHAIN_2 5 #define AR9170_TX_PHY_MCS_S 18 #define AR9170_TX_PHY_MCS (0x7f << \ AR9170_TX_PHY_MCS_S) #define AR9170_TX_PHY_RATE_CCK_1M 0x0 #define AR9170_TX_PHY_RATE_CCK_2M 0x1 #define AR9170_TX_PHY_RATE_CCK_5M 0x2 #define AR9170_TX_PHY_RATE_CCK_11M 0x3 /* same as AR9170_RX_PHY_RATE */ #define AR9170_TXRX_PHY_RATE_OFDM_6M 0xb #define AR9170_TXRX_PHY_RATE_OFDM_9M 0xf #define AR9170_TXRX_PHY_RATE_OFDM_12M 0xa #define AR9170_TXRX_PHY_RATE_OFDM_18M 0xe #define AR9170_TXRX_PHY_RATE_OFDM_24M 0x9 #define AR9170_TXRX_PHY_RATE_OFDM_36M 0xd #define AR9170_TXRX_PHY_RATE_OFDM_48M 0x8 #define AR9170_TXRX_PHY_RATE_OFDM_54M 0xc #define AR9170_TXRX_PHY_RATE_HT_MCS0 0x0 #define AR9170_TXRX_PHY_RATE_HT_MCS1 0x1 #define AR9170_TXRX_PHY_RATE_HT_MCS2 0x2 #define AR9170_TXRX_PHY_RATE_HT_MCS3 0x3 #define AR9170_TXRX_PHY_RATE_HT_MCS4 0x4 #define AR9170_TXRX_PHY_RATE_HT_MCS5 0x5 #define AR9170_TXRX_PHY_RATE_HT_MCS6 0x6 #define AR9170_TXRX_PHY_RATE_HT_MCS7 0x7 #define AR9170_TXRX_PHY_RATE_HT_MCS8 0x8 #define AR9170_TXRX_PHY_RATE_HT_MCS9 0x9 #define AR9170_TXRX_PHY_RATE_HT_MCS10 0xa #define AR9170_TXRX_PHY_RATE_HT_MCS11 0xb #define AR9170_TXRX_PHY_RATE_HT_MCS12 0xc #define AR9170_TXRX_PHY_RATE_HT_MCS13 0xd #define AR9170_TXRX_PHY_RATE_HT_MCS14 0xe #define AR9170_TXRX_PHY_RATE_HT_MCS15 0xf #define AR9170_TX_PHY_SHORT_GI 0x80000000 #ifdef __CARL9170FW__ struct ar9170_tx_hw_mac_control { union { struct { /* * Beware of compiler bugs in all gcc pre 4.4! */ u8 erp_prot:2; u8 no_ack:1; u8 backoff:1; u8 burst:1; u8 ampdu:1; u8 enc_mode:2; u8 hw_mmic:1; u8 hw_duration:1; u8 qos_queue:2; u8 disable_txop:1; u8 txop_rifs:1; u8 ba_end:1; u8 probe:1; } __packed; __le16 set; } __packed; } __packed; struct ar9170_tx_hw_phy_control { union { struct { /* * Beware of compiler bugs in all gcc pre 4.4! */ u8 modulation:2; u8 preamble:1; u8 bandwidth:2; u8:1; u8 heavy_clip:3; u8 tx_power:6; u8 chains:3; u8 mcs:7; u8:6; u8 short_gi:1; } __packed; __le32 set; } __packed; } __packed; struct ar9170_tx_rate_info { u8 tries:3; u8 erp_prot:2; u8 ampdu:1; u8 free:2; /* free for use (e.g.:RIFS/TXOP/AMPDU) */ } __packed; struct carl9170_tx_superdesc { __le16 len; u8 rix; u8 cnt; u8 cookie; u8 ampdu_density:3; u8 ampdu_factor:2; u8 ampdu_commit_density:1; u8 ampdu_commit_factor:1; u8 ampdu_unused_bit:1; u8 queue:2; u8 assign_seq:1; u8 vif_id:3; u8 fill_in_tsf:1; u8 cab:1; u8 padding2; struct ar9170_tx_rate_info ri[CARL9170_TX_MAX_RATES]; struct ar9170_tx_hw_phy_control rr[CARL9170_TX_MAX_RETRY_RATES]; } __packed; struct ar9170_tx_hwdesc { __le16 length; struct ar9170_tx_hw_mac_control mac; struct ar9170_tx_hw_phy_control phy; } __packed; struct ar9170_tx_frame { struct ar9170_tx_hwdesc hdr; union { struct ieee80211_hdr i3e; u8 payload[0]; } data; } __packed; struct carl9170_tx_superframe { struct carl9170_tx_superdesc s; struct ar9170_tx_frame f; } __packed; #endif /* __CARL9170FW__ */ struct _ar9170_tx_hwdesc { __le16 length; __le16 mac_control; __le32 phy_control; } __packed; #define CARL9170_TX_SUPER_AMPDU_DENSITY_S 0 #define CARL9170_TX_SUPER_AMPDU_DENSITY 0x7 #define CARL9170_TX_SUPER_AMPDU_FACTOR 0x18 #define CARL9170_TX_SUPER_AMPDU_FACTOR_S 3 #define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY 0x20 #define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY_S 5 #define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR 0x40 #define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR_S 6 #define CARL9170_TX_SUPER_MISC_QUEUE 0x3 #define CARL9170_TX_SUPER_MISC_QUEUE_S 0 #define CARL9170_TX_SUPER_MISC_ASSIGN_SEQ 0x4 #define CARL9170_TX_SUPER_MISC_VIF_ID 0x38 #define CARL9170_TX_SUPER_MISC_VIF_ID_S 3 #define CARL9170_TX_SUPER_MISC_FILL_IN_TSF 0x40 #define CARL9170_TX_SUPER_MISC_CAB 0x80 #define CARL9170_TX_SUPER_RI_TRIES 0x7 #define CARL9170_TX_SUPER_RI_TRIES_S 0 #define CARL9170_TX_SUPER_RI_ERP_PROT 0x18 #define CARL9170_TX_SUPER_RI_ERP_PROT_S 3 #define CARL9170_TX_SUPER_RI_AMPDU 0x20 #define CARL9170_TX_SUPER_RI_AMPDU_S 5 struct _carl9170_tx_superdesc { __le16 len; u8 rix; u8 cnt; u8 cookie; u8 ampdu_settings; u8 misc; u8 padding; u8 ri[CARL9170_TX_MAX_RATES]; __le32 rr[CARL9170_TX_MAX_RETRY_RATES]; } __packed; struct _carl9170_tx_superframe { struct _carl9170_tx_superdesc s; struct _ar9170_tx_hwdesc f; u8 frame_data[0]; } __packed; #define CARL9170_TX_SUPERDESC_LEN 24 #define AR9170_TX_HWDESC_LEN 8 #define CARL9170_TX_SUPERFRAME_LEN (CARL9170_TX_SUPERDESC_LEN + \ AR9170_TX_HWDESC_LEN) struct ar9170_rx_head { u8 plcp[12]; } __packed; #define AR9170_RX_HEAD_LEN 12 struct ar9170_rx_phystatus { union { struct { u8 rssi_ant0, rssi_ant1, rssi_ant2, rssi_ant0x, rssi_ant1x, rssi_ant2x, rssi_combined; } __packed; u8 rssi[7]; } __packed; u8 evm_stream0[6], evm_stream1[6]; u8 phy_err; } __packed; #define AR9170_RX_PHYSTATUS_LEN 20 struct ar9170_rx_macstatus { u8 SAidx, DAidx; u8 error; u8 status; } __packed; #define AR9170_RX_MACSTATUS_LEN 4 struct ar9170_rx_frame_single { struct ar9170_rx_head phy_head; struct ieee80211_hdr i3e; struct ar9170_rx_phystatus phy_tail; struct ar9170_rx_macstatus macstatus; } __packed; struct ar9170_rx_frame_head { struct ar9170_rx_head phy_head; struct ieee80211_hdr i3e; struct ar9170_rx_macstatus macstatus; } __packed; struct ar9170_rx_frame_middle { struct ieee80211_hdr i3e; struct ar9170_rx_macstatus macstatus; } __packed; struct ar9170_rx_frame_tail { struct ieee80211_hdr i3e; struct ar9170_rx_phystatus phy_tail; struct ar9170_rx_macstatus macstatus; } __packed; struct ar9170_rx_frame { union { struct ar9170_rx_frame_single single; struct ar9170_rx_frame_head head; struct ar9170_rx_frame_middle middle; struct ar9170_rx_frame_tail tail; } __packed; } __packed; static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t) { return (t->SAidx & 0xc0) >> 4 | (t->DAidx & 0xc0) >> 6; } enum ar9170_txq { AR9170_TXQ_BE, AR9170_TXQ_VI, AR9170_TXQ_VO, AR9170_TXQ_BK, __AR9170_NUM_TXQ, }; /* * This is an workaround for several undocumented bugs. * Don't mess with the QoS/AC <-> HW Queue map, if you don't * know what you are doing. * * Known problems [hardware]: * * The MAC does not aggregate frames on anything other * than the first HW queue. * * when an AMPDU is placed [in the first hw queue] and * additional frames are already queued on a different * hw queue, the MAC will ALWAYS freeze. * * In a nutshell: The hardware can either do QoS or * Aggregation but not both at the same time. As a * result, this makes the device pretty much useless * for any serious 802.11n setup. */ static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 }; #define AR9170_TXQ_DEPTH 32 #endif /* __CARL9170_SHARED_WLAN_H */