/*
* Shared Atheros AR9170 Header
*
* RX / TX meta descriptor format
*
* Copyright 2008 , Johannes Berg < johannes @ sipsolutions . net >
* Copyright 2009 - 2011 Christian Lamparter < chunkeey @ googlemail . com >
*
* 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 0 x0a
#define AR9170_RX_PHY_RATE_CCK_2M 0 x14
#define AR9170_RX_PHY_RATE_CCK_5M 0 x37
#define AR9170_RX_PHY_RATE_CCK_11M 0 x6e
#define AR9170_ENC_ALG_NONE 0 x0
#define AR9170_ENC_ALG_WEP64 0 x1
#define AR9170_ENC_ALG_TKIP 0 x2
#define AR9170_ENC_ALG_AESCCMP 0 x4
#define AR9170_ENC_ALG_WEP128 0 x5
#define AR9170_ENC_ALG_WEP256 0 x6
#define AR9170_ENC_ALG_CENC 0 x7
#define AR9170_RX_ENC_SOFTWARE 0 x8
#define AR9170_RX_STATUS_MODULATION 0 x03
#define AR9170_RX_STATUS_MODULATION_S 0
#define AR9170_RX_STATUS_MODULATION_CCK 0 x00
#define AR9170_RX_STATUS_MODULATION_OFDM 0 x01
#define AR9170_RX_STATUS_MODULATION_HT 0 x02
#define AR9170_RX_STATUS_MODULATION_DUPOFDM 0 x03
/* depends on modulation */
#define AR9170_RX_STATUS_SHORT_PREAMBLE 0 x08
#define AR9170_RX_STATUS_GREENFIELD 0 x08
#define AR9170_RX_STATUS_MPDU 0 x30
#define AR9170_RX_STATUS_MPDU_S 4
#define AR9170_RX_STATUS_MPDU_SINGLE 0 x00
#define AR9170_RX_STATUS_MPDU_FIRST 0 x20
#define AR9170_RX_STATUS_MPDU_MIDDLE 0 x30
#define AR9170_RX_STATUS_MPDU_LAST 0 x10
#define AR9170_RX_STATUS_CONT_AGGR 0 x40
#define AR9170_RX_STATUS_TOTAL_ERROR 0 x80
#define AR9170_RX_ERROR_RXTO 0 x01
#define AR9170_RX_ERROR_OVERRUN 0 x02
#define AR9170_RX_ERROR_DECRYPT 0 x04
#define AR9170_RX_ERROR_FCS 0 x08
#define AR9170_RX_ERROR_WRONG_RA 0 x10
#define AR9170_RX_ERROR_PLCP 0 x20
#define AR9170_RX_ERROR_MMIC 0 x40
/* these are either-or */
#define AR9170_TX_MAC_PROT_RTS 0 x0001
#define AR9170_TX_MAC_PROT_CTS 0 x0002
#define AR9170_TX_MAC_PROT 0 x0003
#define AR9170_TX_MAC_NO_ACK 0 x0004
/* if unset, MAC will only do SIFS space before frame */
#define AR9170_TX_MAC_BACKOFF 0 x0008
#define AR9170_TX_MAC_BURST 0 x0010
#define AR9170_TX_MAC_AGGR 0 x0020
/* encryption is a two-bit field */
#define AR9170_TX_MAC_ENCR_NONE 0 x0000
#define AR9170_TX_MAC_ENCR_RC4 0 x0040
#define AR9170_TX_MAC_ENCR_CENC 0 x0080
#define AR9170_TX_MAC_ENCR_AES 0 x00c0
#define AR9170_TX_MAC_MMIC 0 x0100
#define AR9170_TX_MAC_HW_DURATION 0 x0200
#define AR9170_TX_MAC_QOS_S 10
#define AR9170_TX_MAC_QOS 0 x0c00
#define AR9170_TX_MAC_DISABLE_TXOP 0 x1000
#define AR9170_TX_MAC_TXOP_RIFS 0 x2000
#define AR9170_TX_MAC_IMM_BA 0 x4000
/* either-or */
#define AR9170_TX_PHY_MOD_CCK 0 x00000000
#define AR9170_TX_PHY_MOD_OFDM 0 x00000001
#define AR9170_TX_PHY_MOD_HT 0 x00000002
/* depends on modulation */
#define AR9170_TX_PHY_SHORT_PREAMBLE 0 x00000004
#define AR9170_TX_PHY_GREENFIELD 0 x00000004
#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 (0 x3f << \
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 (0 x7f << \
AR9170_TX_PHY_MCS_S)
#define AR9170_TX_PHY_RATE_CCK_1M 0 x0
#define AR9170_TX_PHY_RATE_CCK_2M 0 x1
#define AR9170_TX_PHY_RATE_CCK_5M 0 x2
#define AR9170_TX_PHY_RATE_CCK_11M 0 x3
/* same as AR9170_RX_PHY_RATE */
#define AR9170_TXRX_PHY_RATE_OFDM_6M 0 xb
#define AR9170_TXRX_PHY_RATE_OFDM_9M 0 xf
#define AR9170_TXRX_PHY_RATE_OFDM_12M 0 xa
#define AR9170_TXRX_PHY_RATE_OFDM_18M 0 xe
#define AR9170_TXRX_PHY_RATE_OFDM_24M 0 x9
#define AR9170_TXRX_PHY_RATE_OFDM_36M 0 xd
#define AR9170_TXRX_PHY_RATE_OFDM_48M 0 x8
#define AR9170_TXRX_PHY_RATE_OFDM_54M 0 xc
#define AR9170_TXRX_PHY_RATE_HT_MCS0 0 x0
#define AR9170_TXRX_PHY_RATE_HT_MCS1 0 x1
#define AR9170_TXRX_PHY_RATE_HT_MCS2 0 x2
#define AR9170_TXRX_PHY_RATE_HT_MCS3 0 x3
#define AR9170_TXRX_PHY_RATE_HT_MCS4 0 x4
#define AR9170_TXRX_PHY_RATE_HT_MCS5 0 x5
#define AR9170_TXRX_PHY_RATE_HT_MCS6 0 x6
#define AR9170_TXRX_PHY_RATE_HT_MCS7 0 x7
#define AR9170_TXRX_PHY_RATE_HT_MCS8 0 x8
#define AR9170_TXRX_PHY_RATE_HT_MCS9 0 x9
#define AR9170_TXRX_PHY_RATE_HT_MCS10 0 xa
#define AR9170_TXRX_PHY_RATE_HT_MCS11 0 xb
#define AR9170_TXRX_PHY_RATE_HT_MCS12 0 xc
#define AR9170_TXRX_PHY_RATE_HT_MCS13 0 xd
#define AR9170_TXRX_PHY_RATE_HT_MCS14 0 xe
#define AR9170_TXRX_PHY_RATE_HT_MCS15 0 xf
#define AR9170_TX_PHY_SHORT_GI 0 x80000000
#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;
DECLARE_FLEX_ARRAY(u8, payload);
} data;
} __packed;
struct carl9170_tx_superframe {
struct carl9170_tx_superdesc s;
struct ar9170_tx_frame f;
} __packed __aligned(4 );
#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 0 x7
#define CARL9170_TX_SUPER_AMPDU_FACTOR 0 x18
#define CARL9170_TX_SUPER_AMPDU_FACTOR_S 3
#define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY 0 x20
#define CARL9170_TX_SUPER_AMPDU_COMMIT_DENSITY_S 5
#define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR 0 x40
#define CARL9170_TX_SUPER_AMPDU_COMMIT_FACTOR_S 6
#define CARL9170_TX_SUPER_MISC_QUEUE 0 x3
#define CARL9170_TX_SUPER_MISC_QUEUE_S 0
#define CARL9170_TX_SUPER_MISC_ASSIGN_SEQ 0 x4
#define CARL9170_TX_SUPER_MISC_VIF_ID 0 x38
#define CARL9170_TX_SUPER_MISC_VIF_ID_S 3
#define CARL9170_TX_SUPER_MISC_FILL_IN_TSF 0 x40
#define CARL9170_TX_SUPER_MISC_CAB 0 x80
#define CARL9170_TX_SUPER_RI_TRIES 0 x7
#define CARL9170_TX_SUPER_RI_TRIES_S 0
#define CARL9170_TX_SUPER_RI_ERP_PROT 0 x18
#define CARL9170_TX_SUPER_RI_ERP_PROT_S 3
#define CARL9170_TX_SUPER_RI_AMPDU 0 x20
#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[];
} __packed __aligned(4 );
#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 __packed __aligned(2 );
struct ar9170_rx_phystatus phy_tail;
struct ar9170_rx_macstatus macstatus;
};
struct ar9170_rx_frame_head {
struct ar9170_rx_head phy_head;
struct ieee80211_hdr i3e __packed __aligned(2 );
struct ar9170_rx_macstatus macstatus;
};
struct ar9170_rx_frame_middle {
struct ieee80211_hdr i3e __packed __aligned(2 );
struct ar9170_rx_macstatus macstatus;
};
struct ar9170_rx_frame_tail {
struct ieee80211_hdr i3e __packed __aligned(2 );
struct ar9170_rx_phystatus phy_tail;
struct ar9170_rx_macstatus macstatus;
};
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;
};
};
static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
{
return (t->SAidx & 0 xc0) >> 4 |
(t->DAidx & 0 xc0) >> 6 ;
}
/*
* 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 . 11 n setup .
*/
enum ar9170_txq {
AR9170_TXQ_BK = 0 , /* TXQ0 */
AR9170_TXQ_BE, /* TXQ1 */
AR9170_TXQ_VI, /* TXQ2 */
AR9170_TXQ_VO, /* TXQ3 */
__AR9170_NUM_TXQ,
};
#define AR9170_TXQ_DEPTH 32
#endif /* __CARL9170_SHARED_WLAN_H */
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