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Commit 03417bc6 authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville
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ath5k: review and add comments for descriptors 

I carefully reviewed desh.h against the HAL sources. Added comments and made
differences between 5210, 5211 and 5212 more clear by adding _521x to the
defines which are specific to that chipset. Renamed some defines. No functional
changes.
Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Acked-by: default avatarBob Copeland <me@bobcopeland.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 62412a8f
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Showing with 144 additions and 154 deletions
drivers/net/wireless/ath/ath5k/desc.c
View file @ 03417bc6
......@@ -95,10 +95,10 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
* XXX: I only found that on 5210 code, does it work on 5211 ?
*/
if (ah->ah_version == AR5K_AR5210) {
if (hdr_len & ~AR5K_2W_TX_DESC_CTL0_HEADER_LEN)
if (hdr_len & ~AR5K_2W_TX_DESC_CTL0_HEADER_LEN_5210)
return -EINVAL;
tx_ctl->tx_control_0 |=
AR5K_REG_SM(hdr_len, AR5K_2W_TX_DESC_CTL0_HEADER_LEN);
AR5K_REG_SM(hdr_len, AR5K_2W_TX_DESC_CTL0_HEADER_LEN_5210);
}
/*Differences between 5210-5211*/
......@@ -114,7 +114,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
}
tx_ctl->tx_control_0 |=
AR5K_REG_SM(frame_type, AR5K_2W_TX_DESC_CTL0_FRAME_TYPE) |
AR5K_REG_SM(frame_type, AR5K_2W_TX_DESC_CTL0_FRAME_TYPE_5210) |
AR5K_REG_SM(tx_rate0, AR5K_2W_TX_DESC_CTL0_XMIT_RATE);
} else {
......@@ -123,7 +123,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
AR5K_REG_SM(antenna_mode,
AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT);
tx_ctl->tx_control_1 |=
AR5K_REG_SM(type, AR5K_2W_TX_DESC_CTL1_FRAME_TYPE);
AR5K_REG_SM(type, AR5K_2W_TX_DESC_CTL1_FRAME_TYPE_5211);
}
#define _TX_FLAGS(_c, _flag) \
if (flags & AR5K_TXDESC_##_flag) { \
......@@ -147,7 +147,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
AR5K_2W_TX_DESC_CTL0_ENCRYPT_KEY_VALID;
tx_ctl->tx_control_1 |=
AR5K_REG_SM(key_index,
AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX);
AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX);
}
/*
......@@ -156,7 +156,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
if ((ah->ah_version == AR5K_AR5210) &&
(flags & (AR5K_TXDESC_RTSENA | AR5K_TXDESC_CTSENA)))
tx_ctl->tx_control_1 |= rtscts_duration &
AR5K_2W_TX_DESC_CTL1_RTS_DURATION;
AR5K_2W_TX_DESC_CTL1_RTS_DURATION_5210;
return 0;
}
......@@ -255,7 +255,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
if (key_index != AR5K_TXKEYIX_INVALID) {
tx_ctl->tx_control_0 |= AR5K_4W_TX_DESC_CTL0_ENCRYPT_KEY_VALID;
tx_ctl->tx_control_1 |= AR5K_REG_SM(key_index,
AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX);
AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_IDX);
}
/*
......@@ -409,11 +409,11 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
ts->ts_rssi = AR5K_REG_MS(tx_status->tx_status_1,
AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH);
ts->ts_antenna = (tx_status->tx_status_1 &
AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1;
AR5K_DESC_TX_STATUS1_XMIT_ANTENNA_5212) ? 2 : 1;
ts->ts_status = 0;
ts->ts_final_idx = AR5K_REG_MS(tx_status->tx_status_1,
AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX);
AR5K_DESC_TX_STATUS1_FINAL_TS_IX_5212);
/* The longretry counter has the number of un-acked retries
* for the final rate. To get the total number of retries
......@@ -527,7 +527,7 @@ static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *ah,
rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0,
AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE);
rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0,
AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA);
AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANT_5211);
rs->rs_more = !!(rx_status->rx_status_0 &
AR5K_5210_RX_DESC_STATUS0_MORE);
/* TODO: this timestamp is 13 bit, later on we assume 15 bit */
......@@ -555,7 +555,7 @@ static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *ah,
rs->rs_status |= AR5K_RXERR_CRC;
if (rx_status->rx_status_1 &
AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN)
AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN_5210)
rs->rs_status |= AR5K_RXERR_FIFO;
if (rx_status->rx_status_1 &
......
drivers/net/wireless/ath/ath5k/desc.h
View file @ 03417bc6
......@@ -17,28 +17,24 @@
*/
/*
* Internal RX/TX descriptor structures
* (rX: reserved fields possibily used by future versions of the ar5k chipset)
* RX/TX descriptor structures
*/
/*
* common hardware RX control descriptor
* Common hardware RX control descriptor
*/
struct ath5k_hw_rx_ctl {
u32 rx_control_0; /* RX control word 0 */
u32 rx_control_1; /* RX control word 1 */
} __packed;
/* RX control word 0 field/sflags */
#define AR5K_DESC_RX_CTL0 0x00000000
/* RX control word 1 fields/flags */
#define AR5K_DESC_RX_CTL1_BUF_LEN 0x00000fff
#define AR5K_DESC_RX_CTL1_INTREQ 0x00002000
#define AR5K_DESC_RX_CTL1_BUF_LEN 0x00000fff /* data buffer length */
#define AR5K_DESC_RX_CTL1_INTREQ 0x00002000 /* RX interrupt request */
/*
* common hardware RX status descriptor
* 5210/11 and 5212 differ only in the flags defined below
* Common hardware RX status descriptor
* 5210, 5211 and 5212 differ only in the fields and flags defined below
*/
struct ath5k_hw_rx_status {
u32 rx_status_0; /* RX status word 0 */
......@@ -47,68 +43,69 @@ struct ath5k_hw_rx_status {
/* 5210/5211 */
/* RX status word 0 fields/flags */
#define AR5K_5210_RX_DESC_STATUS0_DATA_LEN 0x00000fff
#define AR5K_5210_RX_DESC_STATUS0_MORE 0x00001000
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE 0x00078000
#define AR5K_5210_RX_DESC_STATUS0_DATA_LEN 0x00000fff /* RX data length */
#define AR5K_5210_RX_DESC_STATUS0_MORE 0x00001000 /* more desc for this frame */
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANT_5210 0x00004000 /* [5210] receive on ant 1 TODO */
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE 0x00078000 /* reception rate */
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE_S 15
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x07f80000
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x07f80000 /* rssi */
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 19
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA 0x38000000
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 27
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANT_5211 0x38000000 /* [5211] receive antenna */
#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANT_5211_S 27
/* RX status word 1 fields/flags */
#define AR5K_5210_RX_DESC_STATUS1_DONE 0x00000001
#define AR5K_5210_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002
#define AR5K_5210_RX_DESC_STATUS1_CRC_ERROR 0x00000004
#define AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN 0x00000008
#define AR5K_5210_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000010
#define AR5K_5210_RX_DESC_STATUS1_PHY_ERROR 0x000000e0
#define AR5K_5210_RX_DESC_STATUS1_DONE 0x00000001 /* descriptor complete */
#define AR5K_5210_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 /* reception success */
#define AR5K_5210_RX_DESC_STATUS1_CRC_ERROR 0x00000004 /* CRC error */
#define AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN_5210 0x00000008 /* [5210] FIFO overrun */
#define AR5K_5210_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000010 /* decyption CRC failure */
#define AR5K_5210_RX_DESC_STATUS1_PHY_ERROR 0x000000e0 /* PHY error */
#define AR5K_5210_RX_DESC_STATUS1_PHY_ERROR_S 5
#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100
#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX 0x00007e00
#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 /* key index valid */
#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX 0x00007e00 /* decyption key index */
#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_S 9
#define AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x0fff8000
#define AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x0fff8000 /* 13 bit of TSF */
#define AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 15
#define AR5K_5210_RX_DESC_STATUS1_KEY_CACHE_MISS 0x10000000
#define AR5K_5210_RX_DESC_STATUS1_KEY_CACHE_MISS 0x10000000 /* key cache miss */
/* 5212 */
/* RX status word 0 fields/flags */
#define AR5K_5212_RX_DESC_STATUS0_DATA_LEN 0x00000fff
#define AR5K_5212_RX_DESC_STATUS0_MORE 0x00001000
#define AR5K_5212_RX_DESC_STATUS0_DECOMP_CRC_ERROR 0x00002000
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE 0x000f8000
#define AR5K_5212_RX_DESC_STATUS0_DATA_LEN 0x00000fff /* RX data length */
#define AR5K_5212_RX_DESC_STATUS0_MORE 0x00001000 /* more desc for this frame */
#define AR5K_5212_RX_DESC_STATUS0_DECOMP_CRC_ERROR 0x00002000 /* decompression CRC error */
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE 0x000f8000 /* reception rate */
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE_S 15
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x0ff00000
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x0ff00000 /* rssi */
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 20
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA 0xf0000000
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA 0xf0000000 /* receive antenna */
#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 28
/* RX status word 1 fields/flags */
#define AR5K_5212_RX_DESC_STATUS1_DONE 0x00000001
#define AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002
#define AR5K_5212_RX_DESC_STATUS1_CRC_ERROR 0x00000004
#define AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000008
#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR 0x00000010
#define AR5K_5212_RX_DESC_STATUS1_MIC_ERROR 0x00000020
#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100
#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX 0x0000fe00
#define AR5K_5212_RX_DESC_STATUS1_DONE 0x00000001 /* descriptor complete */
#define AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 /* frame reception success */
#define AR5K_5212_RX_DESC_STATUS1_CRC_ERROR 0x00000004 /* CRC error */
#define AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000008 /* decryption CRC failure */
#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR 0x00000010 /* PHY error */
#define AR5K_5212_RX_DESC_STATUS1_MIC_ERROR 0x00000020 /* MIC decrypt error */
#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 /* key index valid */
#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX 0x0000fe00 /* decryption key index */
#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_S 9
#define AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x7fff0000
#define AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x7fff0000 /* first 15bit of the TSF */
#define AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 16
#define AR5K_5212_RX_DESC_STATUS1_KEY_CACHE_MISS 0x80000000
#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR_CODE 0x0000ff00
#define AR5K_5212_RX_DESC_STATUS1_KEY_CACHE_MISS 0x80000000 /* key cache miss */
#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR_CODE 0x0000ff00 /* phy error code overlays key index and valid fields */
#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR_CODE_S 8
/**
* enum ath5k_phy_error_code - PHY Error codes
*/
enum ath5k_phy_error_code {
AR5K_RX_PHY_ERROR_UNDERRUN = 0, /* Transmit underrun */
AR5K_RX_PHY_ERROR_UNDERRUN = 0, /* Transmit underrun, [5210] No error */
AR5K_RX_PHY_ERROR_TIMING = 1, /* Timing error */
AR5K_RX_PHY_ERROR_PARITY = 2, /* Illegal parity */
AR5K_RX_PHY_ERROR_RATE = 3, /* Illegal rate */
AR5K_RX_PHY_ERROR_LENGTH = 4, /* Illegal length */
AR5K_RX_PHY_ERROR_RADAR = 5, /* Radar detect */
AR5K_RX_PHY_ERROR_RADAR = 5, /* Radar detect, [5210] 64 QAM rate */
AR5K_RX_PHY_ERROR_SERVICE = 6, /* Illegal service */
AR5K_RX_PHY_ERROR_TOR = 7, /* Transmit override receive */
/* these are specific to the 5212 */
......@@ -135,45 +132,41 @@ struct ath5k_hw_2w_tx_ctl {
} __packed;
/* TX control word 0 fields/flags */
#define AR5K_2W_TX_DESC_CTL0_FRAME_LEN 0x00000fff
#define AR5K_2W_TX_DESC_CTL0_HEADER_LEN 0x0003f000 /*[5210 ?]*/
#define AR5K_2W_TX_DESC_CTL0_HEADER_LEN_S 12
#define AR5K_2W_TX_DESC_CTL0_XMIT_RATE 0x003c0000
#define AR5K_2W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
#define AR5K_2W_TX_DESC_CTL0_HEADER_LEN_5210 0x0003f000 /* [5210] header length */
#define AR5K_2W_TX_DESC_CTL0_HEADER_LEN_5210_S 12
#define AR5K_2W_TX_DESC_CTL0_XMIT_RATE 0x003c0000 /* tx rate */
#define AR5K_2W_TX_DESC_CTL0_XMIT_RATE_S 18
#define AR5K_2W_TX_DESC_CTL0_RTSENA 0x00400000
#define AR5K_2W_TX_DESC_CTL0_CLRDMASK 0x01000000
#define AR5K_2W_TX_DESC_CTL0_LONG_PACKET 0x00800000 /*[5210]*/
#define AR5K_2W_TX_DESC_CTL0_VEOL 0x00800000 /*[5211]*/
#define AR5K_2W_TX_DESC_CTL0_FRAME_TYPE 0x1c000000 /*[5210]*/
#define AR5K_2W_TX_DESC_CTL0_FRAME_TYPE_S 26
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5210 0x02000000
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5211 0x1e000000
#define AR5K_2W_TX_DESC_CTL0_RTSENA 0x00400000 /* RTS/CTS enable */
#define AR5K_2W_TX_DESC_CTL0_LONG_PACKET_5210 0x00800000 /* [5210] long packet */
#define AR5K_2W_TX_DESC_CTL0_VEOL 0x00800000 /* [5211] virtual end-of-list TODO */
#define AR5K_2W_TX_DESC_CTL0_CLRDMASK 0x01000000 /* clear destination mask */
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5210 0x02000000 /* [5210] antenna selection */
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5211 0x1e000000 /* [5211] antenna selection */
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT \
(ah->ah_version == AR5K_AR5210 ? \
AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5210 : \
AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_5211)
#define AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT_S 25
#define AR5K_2W_TX_DESC_CTL0_INTREQ 0x20000000
#define AR5K_2W_TX_DESC_CTL0_ENCRYPT_KEY_VALID 0x40000000
#define AR5K_2W_TX_DESC_CTL0_FRAME_TYPE_5210 0x1c000000 /* [5210] frame type */
#define AR5K_2W_TX_DESC_CTL0_FRAME_TYPE_5210_S 26
#define AR5K_2W_TX_DESC_CTL0_INTREQ 0x20000000 /* TX interrupt request */
#define AR5K_2W_TX_DESC_CTL0_ENCRYPT_KEY_VALID 0x40000000 /* key is valid */
/* TX control word 1 fields/flags */
#define AR5K_2W_TX_DESC_CTL1_BUF_LEN 0x00000fff
#define AR5K_2W_TX_DESC_CTL1_MORE 0x00001000
#define AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_5210 0x0007e000
#define AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_5211 0x000fe000
#define AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX \
#define AR5K_2W_TX_DESC_CTL1_BUF_LEN 0x00000fff /* data buffer length */
#define AR5K_2W_TX_DESC_CTL1_MORE 0x00001000 /* more desc for this frame */
#define AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX_5210 0x0007e000 /* [5210] key table index */
#define AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX_5211 0x000fe000 /* [5211] key table index */
#define AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX \
(ah->ah_version == AR5K_AR5210 ? \
AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_5210 : \
AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_5211)
#define AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_S 13
#define AR5K_2W_TX_DESC_CTL1_FRAME_TYPE 0x00700000 /*[5211]*/
#define AR5K_2W_TX_DESC_CTL1_FRAME_TYPE_S 20
#define AR5K_2W_TX_DESC_CTL1_NOACK 0x00800000 /*[5211]*/
#define AR5K_2W_TX_DESC_CTL1_RTS_DURATION 0xfff80000 /*[5210 ?]*/
AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX_5210 : \
AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX_5211)
#define AR5K_2W_TX_DESC_CTL1_ENC_KEY_IDX_S 13
#define AR5K_2W_TX_DESC_CTL1_FRAME_TYPE_5211 0x00700000 /* [5211] frame type */
#define AR5K_2W_TX_DESC_CTL1_FRAME_TYPE_5211_S 20
#define AR5K_2W_TX_DESC_CTL1_NOACK 0x00800000 /* [5211] no ACK TODO */
#define AR5K_2W_TX_DESC_CTL1_RTS_DURATION_5210 0xfff80000 /* [5210] lower 13 bit of duration */
/* Frame types */
#define AR5K_AR5210_TX_DESC_FRAME_TYPE_NORMAL 0x00
......@@ -187,60 +180,61 @@ struct ath5k_hw_2w_tx_ctl {
*/
struct ath5k_hw_4w_tx_ctl {
u32 tx_control_0; /* TX control word 0 */
u32 tx_control_1; /* TX control word 1 */
u32 tx_control_2; /* TX control word 2 */
u32 tx_control_3; /* TX control word 3 */
} __packed;
#define AR5K_4W_TX_DESC_CTL0_FRAME_LEN 0x00000fff
#define AR5K_4W_TX_DESC_CTL0_XMIT_POWER 0x003f0000
/* TX control word 0 fields/flags */
#define AR5K_4W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
#define AR5K_4W_TX_DESC_CTL0_XMIT_POWER 0x003f0000 /* transmit power */
#define AR5K_4W_TX_DESC_CTL0_XMIT_POWER_S 16
#define AR5K_4W_TX_DESC_CTL0_RTSENA 0x00400000
#define AR5K_4W_TX_DESC_CTL0_VEOL 0x00800000
#define AR5K_4W_TX_DESC_CTL0_CLRDMASK 0x01000000
#define AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT 0x1e000000
#define AR5K_4W_TX_DESC_CTL0_RTSENA 0x00400000 /* RTS/CTS enable */
#define AR5K_4W_TX_DESC_CTL0_VEOL 0x00800000 /* virtual end-of-list */
#define AR5K_4W_TX_DESC_CTL0_CLRDMASK 0x01000000 /* clear destination mask */
#define AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT 0x1e000000 /* TX antenna selection */
#define AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT_S 25
#define AR5K_4W_TX_DESC_CTL0_INTREQ 0x20000000
#define AR5K_4W_TX_DESC_CTL0_ENCRYPT_KEY_VALID 0x40000000
#define AR5K_4W_TX_DESC_CTL0_CTSENA 0x80000000
#define AR5K_4W_TX_DESC_CTL0_INTREQ 0x20000000 /* TX interrupt request */
#define AR5K_4W_TX_DESC_CTL0_ENCRYPT_KEY_VALID 0x40000000 /* destination index valid */
#define AR5K_4W_TX_DESC_CTL0_CTSENA 0x80000000 /* precede frame with CTS */
u32 tx_control_1; /* TX control word 1 */
#define AR5K_4W_TX_DESC_CTL1_BUF_LEN 0x00000fff
#define AR5K_4W_TX_DESC_CTL1_MORE 0x00001000
#define AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX 0x000fe000
#define AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX_S 13
#define AR5K_4W_TX_DESC_CTL1_FRAME_TYPE 0x00f00000
/* TX control word 1 fields/flags */
#define AR5K_4W_TX_DESC_CTL1_BUF_LEN 0x00000fff /* data buffer length */
#define AR5K_4W_TX_DESC_CTL1_MORE 0x00001000 /* more desc for this frame */
#define AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_IDX 0x000fe000 /* destination table index */
#define AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_IDX_S 13
#define AR5K_4W_TX_DESC_CTL1_FRAME_TYPE 0x00f00000 /* frame type */
#define AR5K_4W_TX_DESC_CTL1_FRAME_TYPE_S 20
#define AR5K_4W_TX_DESC_CTL1_NOACK 0x01000000
#define AR5K_4W_TX_DESC_CTL1_COMP_PROC 0x06000000
#define AR5K_4W_TX_DESC_CTL1_NOACK 0x01000000 /* no ACK */
#define AR5K_4W_TX_DESC_CTL1_COMP_PROC 0x06000000 /* compression processing */
#define AR5K_4W_TX_DESC_CTL1_COMP_PROC_S 25
#define AR5K_4W_TX_DESC_CTL1_COMP_IV_LEN 0x18000000
#define AR5K_4W_TX_DESC_CTL1_COMP_IV_LEN 0x18000000 /* length of frame IV */
#define AR5K_4W_TX_DESC_CTL1_COMP_IV_LEN_S 27
#define AR5K_4W_TX_DESC_CTL1_COMP_ICV_LEN 0x60000000
#define AR5K_4W_TX_DESC_CTL1_COMP_ICV_LEN 0x60000000 /* length of frame ICV */
#define AR5K_4W_TX_DESC_CTL1_COMP_ICV_LEN_S 29
u32 tx_control_2; /* TX control word 2 */
#define AR5K_4W_TX_DESC_CTL2_RTS_DURATION 0x00007fff
#define AR5K_4W_TX_DESC_CTL2_DURATION_UPDATE_ENABLE 0x00008000
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES0 0x000f0000
/* TX control word 2 fields/flags */
#define AR5K_4W_TX_DESC_CTL2_RTS_DURATION 0x00007fff /* RTS/CTS duration */
#define AR5K_4W_TX_DESC_CTL2_DURATION_UPD_EN 0x00008000 /* frame duration update */
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES0 0x000f0000 /* series 0 max attempts */
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES0_S 16
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1 0x00f00000
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1 0x00f00000 /* series 1 max attempts */
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1_S 20
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2 0x0f000000
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2 0x0f000000 /* series 2 max attempts */
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2_S 24
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3 0xf0000000
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3 0xf0000000 /* series 3 max attempts */
#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3_S 28
u32 tx_control_3; /* TX control word 3 */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE0 0x0000001f
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE1 0x000003e0
/* TX control word 3 fields/flags */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE0 0x0000001f /* series 0 tx rate */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE1 0x000003e0 /* series 1 tx rate */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE1_S 5
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE2 0x00007c00
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE2 0x00007c00 /* series 2 tx rate */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE2_S 10
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE3 0x000f8000
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE3 0x000f8000 /* series 3 tx rate */
#define AR5K_4W_TX_DESC_CTL3_XMIT_RATE3_S 15
#define AR5K_4W_TX_DESC_CTL3_RTS_CTS_RATE 0x01f00000
#define AR5K_4W_TX_DESC_CTL3_RTS_CTS_RATE 0x01f00000 /* RTS or CTS rate */
#define AR5K_4W_TX_DESC_CTL3_RTS_CTS_RATE_S 20
} __packed;
/*
* Common TX status descriptor
......@@ -251,37 +245,34 @@ struct ath5k_hw_tx_status {
} __packed;
/* TX status word 0 fields/flags */
#define AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK 0x00000001
#define AR5K_DESC_TX_STATUS0_EXCESSIVE_RETRIES 0x00000002
#define AR5K_DESC_TX_STATUS0_FIFO_UNDERRUN 0x00000004
#define AR5K_DESC_TX_STATUS0_FILTERED 0x00000008
/*???
#define AR5K_DESC_TX_STATUS0_RTS_FAIL_COUNT 0x000000f0
#define AR5K_DESC_TX_STATUS0_RTS_FAIL_COUNT_S 4
*/
#define AR5K_DESC_TX_STATUS0_SHORT_RETRY_COUNT 0x000000f0
#define AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK 0x00000001 /* TX success */
#define AR5K_DESC_TX_STATUS0_EXCESSIVE_RETRIES 0x00000002 /* excessive retries */
#define AR5K_DESC_TX_STATUS0_FIFO_UNDERRUN 0x00000004 /* FIFO underrun */
#define AR5K_DESC_TX_STATUS0_FILTERED 0x00000008 /* TX filter indication */
/* according to the HAL sources the spec has short/long retry counts reversed.
* we have it reversed to the HAL sources as well, for 5210 and 5211.
* For 5212 these fields are defined as RTS_FAIL_COUNT and DATA_FAIL_COUNT,
* but used respectively as SHORT and LONG retry count in the code later. This
* is consistent with the definitions here... TODO: check */
#define AR5K_DESC_TX_STATUS0_SHORT_RETRY_COUNT 0x000000f0 /* short retry count */
#define AR5K_DESC_TX_STATUS0_SHORT_RETRY_COUNT_S 4
/*???
#define AR5K_DESC_TX_STATUS0_DATA_FAIL_COUNT 0x00000f00
#define AR5K_DESC_TX_STATUS0_DATA_FAIL_COUNT_S 8
*/
#define AR5K_DESC_TX_STATUS0_LONG_RETRY_COUNT 0x00000f00
#define AR5K_DESC_TX_STATUS0_LONG_RETRY_COUNT 0x00000f00 /* long retry count */
#define AR5K_DESC_TX_STATUS0_LONG_RETRY_COUNT_S 8
#define AR5K_DESC_TX_STATUS0_VIRT_COLL_COUNT 0x0000f000
#define AR5K_DESC_TX_STATUS0_VIRT_COLL_COUNT_S 12
#define AR5K_DESC_TX_STATUS0_SEND_TIMESTAMP 0xffff0000
#define AR5K_DESC_TX_STATUS0_VIRTCOLL_CT_5211 0x0000f000 /* [5211+] virtual collision count */
#define AR5K_DESC_TX_STATUS0_VIRTCOLL_CT_5212_S 12
#define AR5K_DESC_TX_STATUS0_SEND_TIMESTAMP 0xffff0000 /* TX timestamp */
#define AR5K_DESC_TX_STATUS0_SEND_TIMESTAMP_S 16
/* TX status word 1 fields/flags */
#define AR5K_DESC_TX_STATUS1_DONE 0x00000001
#define AR5K_DESC_TX_STATUS1_SEQ_NUM 0x00001ffe
#define AR5K_DESC_TX_STATUS1_DONE 0x00000001 /* descriptor complete */
#define AR5K_DESC_TX_STATUS1_SEQ_NUM 0x00001ffe /* TX sequence number */
#define AR5K_DESC_TX_STATUS1_SEQ_NUM_S 1
#define AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH 0x001fe000
#define AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH 0x001fe000 /* signal strength of ACK */
#define AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH_S 13
#define AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX 0x00600000
#define AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX_S 21
#define AR5K_DESC_TX_STATUS1_COMP_SUCCESS 0x00800000
#define AR5K_DESC_TX_STATUS1_XMIT_ANTENNA 0x01000000
#define AR5K_DESC_TX_STATUS1_FINAL_TS_IX_5212 0x00600000 /* [5212] final TX attempt series ix */
#define AR5K_DESC_TX_STATUS1_FINAL_TS_IX_5212_S 21
#define AR5K_DESC_TX_STATUS1_COMP_SUCCESS_5212 0x00800000 /* [5212] compression status */
#define AR5K_DESC_TX_STATUS1_XMIT_ANTENNA_5212 0x01000000 /* [5212] transmit antenna */
/*
* 5210/5211 hardware TX descriptor
......@@ -300,7 +291,7 @@ struct ath5k_hw_5212_tx_desc {
} __packed;
/*
* common hardware RX descriptor
* Common hardware RX descriptor
*/
struct ath5k_hw_all_rx_desc {
struct ath5k_hw_rx_ctl rx_ctl;
......@@ -308,7 +299,7 @@ struct ath5k_hw_all_rx_desc {
} __packed;
/*
* Atheros hardware descriptor
* Atheros hardware DMA descriptor
* This is read and written to by the hardware
*/
struct ath5k_desc {
......@@ -330,4 +321,3 @@ struct ath5k_desc {
#define AR5K_TXDESC_CTSENA 0x0008
#define AR5K_TXDESC_INTREQ 0x0010
#define AR5K_TXDESC_VEOL 0x0020 /*[5211+]*/
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