diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/desc.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/desc.h | 308 | 
1 files changed, 142 insertions, 166 deletions
diff --git a/drivers/net/wireless/ath/ath5k/desc.h b/drivers/net/wireless/ath/ath5k/desc.h index 64538fbe416..b2adb2a281c 100644 --- a/drivers/net/wireless/ath/ath5k/desc.h +++ b/drivers/net/wireless/ath/ath5k/desc.h @@ -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 */ @@ -47,81 +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 */ +#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 - -/* - * common hardware RX error descriptor - */ -struct ath5k_hw_rx_error { -	u32	rx_error_0; /* RX status word 0 */ -	u32	rx_error_1; /* RX status word 1 */ -} __packed; - -/* RX error word 0 fields/flags */ -#define AR5K_RX_DESC_ERROR0			0x00000000 - -/* RX error word 1 fields/flags */ -#define AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE	0x0000ff00 -#define AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE_S	8 +#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 */ @@ -148,112 +132,111 @@ 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_5211		0x00800000 /* [5211] virtual end-of-list */ +#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_5211		0x00800000 /* [5211] no ACK */ +#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 -#define AR5K_AR5210_TX_DESC_FRAME_TYPE_ATIM     0x04 -#define AR5K_AR5210_TX_DESC_FRAME_TYPE_PSPOLL   0x08 -#define AR5K_AR5210_TX_DESC_FRAME_TYPE_NO_DELAY 0x0c -#define AR5K_AR5210_TX_DESC_FRAME_TYPE_PIFS     0x10 +#define AR5K_AR5210_TX_DESC_FRAME_TYPE_NORMAL	0 +#define AR5K_AR5210_TX_DESC_FRAME_TYPE_ATIM	1 +#define AR5K_AR5210_TX_DESC_FRAME_TYPE_PSPOLL	2 +#define AR5K_AR5210_TX_DESC_FRAME_TYPE_NO_DELAY	3 +#define AR5K_AR5211_TX_DESC_FRAME_TYPE_BEACON	3 +#define AR5K_AR5210_TX_DESC_FRAME_TYPE_PIFS	4 +#define AR5K_AR5211_TX_DESC_FRAME_TYPE_PRESP	4  /*   * 5212 hardware 4-word TX control descriptor   */  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 */ +/* 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 /* series 1 max attempts */ +#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1_S	20 +#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 /* series 3 max attempts */ +#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3_S	28 -#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 -#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_S		20 -#define AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2		0x0f000000 -#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_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 @@ -264,37 +247,34 @@ 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 @@ -313,18 +293,15 @@ 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; -	union { -		struct ath5k_hw_rx_status	rx_stat; -		struct ath5k_hw_rx_error	rx_err; -	} u; +	struct ath5k_hw_rx_ctl		rx_ctl; +	struct ath5k_hw_rx_status	rx_stat;  } __packed;  /* - * Atheros hardware descriptor + * Atheros hardware DMA descriptor   * This is read and written to by the hardware   */  struct ath5k_desc { @@ -346,4 +323,3 @@ struct ath5k_desc {  #define AR5K_TXDESC_CTSENA	0x0008  #define AR5K_TXDESC_INTREQ	0x0010  #define AR5K_TXDESC_VEOL	0x0020	/*[5211+]*/ -  |