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#ifndef BCM43xx_XMIT_H_
#define BCM43xx_XMIT_H_
#include "bcm43xx_main.h"
#define _bcm43xx_declare_plcp_hdr(size) \
struct bcm43xx_plcp_hdr##size { \
union { \
__le32 data; \
__u8 raw[size]; \
} __attribute__((__packed__)); \
} __attribute__((__packed__))
/* struct bcm43xx_plcp_hdr4 */
_bcm43xx_declare_plcp_hdr(4);
/* struct bcm43xx_plcp_hdr6 */
_bcm43xx_declare_plcp_hdr(6);
#undef _bcm43xx_declare_plcp_hdr
/* Device specific TX header. To be prepended to TX frames. */
struct bcm43xx_txhdr {
union {
struct {
__le16 flags;
__le16 wsec_rate;
__le16 frame_control;
u16 unknown_zeroed_0;
__le16 control;
u8 wep_iv[10];
u8 unknown_wsec_tkip_data[3]; //FIXME
PAD_BYTES(3);
u8 mac1[6];
u16 unknown_zeroed_1;
struct bcm43xx_plcp_hdr4 rts_cts_fallback_plcp;
__le16 rts_cts_dur_fallback;
struct bcm43xx_plcp_hdr4 fallback_plcp;
__le16 fallback_dur_id;
PAD_BYTES(2);
__le16 cookie;
__le16 unknown_scb_stuff; //FIXME
struct bcm43xx_plcp_hdr6 rts_cts_plcp;
__le16 rts_cts_frame_control;
__le16 rts_cts_dur;
u8 rts_cts_mac1[6];
u8 rts_cts_mac2[6];
PAD_BYTES(2);
struct bcm43xx_plcp_hdr6 plcp;
} __attribute__((__packed__));
u8 raw[82];
} __attribute__((__packed__));
} __attribute__((__packed__));
/* Values/Masks for the device TX header */
#define BCM43xx_TXHDRFLAG_EXPECTACK 0x0001
#define BCM43xx_TXHDRFLAG_RTSCTS 0x0002
#define BCM43xx_TXHDRFLAG_RTS 0x0004
#define BCM43xx_TXHDRFLAG_FIRSTFRAGMENT 0x0008
#define BCM43xx_TXHDRFLAG_DESTPSMODE 0x0020
#define BCM43xx_TXHDRFLAG_RTSCTS_OFDM 0x0080
#define BCM43xx_TXHDRFLAG_FALLBACKOFDM 0x0100
#define BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM 0x0200
#define BCM43xx_TXHDRFLAG_CTS 0x0400
#define BCM43xx_TXHDRFLAG_FRAMEBURST 0x0800
#define BCM43xx_TXHDRCTL_OFDM 0x0001
#define BCM43xx_TXHDRCTL_SHORT_PREAMBLE 0x0010
#define BCM43xx_TXHDRCTL_ANTENNADIV_MASK 0x0030
#define BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT 8
#define BCM43xx_TXHDR_RATE_MASK 0x0F00
#define BCM43xx_TXHDR_RATE_SHIFT 8
#define BCM43xx_TXHDR_RTSRATE_MASK 0xF000
#define BCM43xx_TXHDR_RTSRATE_SHIFT 12
#define BCM43xx_TXHDR_WSEC_KEYINDEX_MASK 0x00F0
#define BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT 4
#define BCM43xx_TXHDR_WSEC_ALGO_MASK 0x0003
#define BCM43xx_TXHDR_WSEC_ALGO_SHIFT 0
void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm,
struct bcm43xx_txhdr *txhdr,
const unsigned char *fragment_data,
const unsigned int fragment_len,
const int is_first_fragment,
const u16 cookie);
/* RX header as received from the hardware. */
struct bcm43xx_rxhdr {
/* Frame Length. Must be generated explicitely in PIO mode. */
__le16 frame_length;
PAD_BYTES(2);
/* Flags field 1 */
__le16 flags1;
u8 rssi;
u8 signal_quality;
PAD_BYTES(2);
/* Flags field 3 */
__le16 flags3;
/* Flags field 2 */
__le16 flags2;
/* Lower 16bits of the TSF at the time the frame started. */
__le16 mactime;
PAD_BYTES(14);
} __attribute__((__packed__));
#define BCM43xx_RXHDR_FLAGS1_OFDM (1 << 0)
/*#define BCM43xx_RXHDR_FLAGS1_SIGNAL??? (1 << 3) FIXME */
#define BCM43xx_RXHDR_FLAGS1_SHORTPREAMBLE (1 << 7)
#define BCM43xx_RXHDR_FLAGS1_2053RSSIADJ (1 << 14)
#define BCM43xx_RXHDR_FLAGS2_INVALIDFRAME (1 << 0)
#define BCM43xx_RXHDR_FLAGS2_TYPE2FRAME (1 << 2)
/*FIXME: WEP related flags */
#define BCM43xx_RXHDR_FLAGS3_2050RSSIADJ (1 << 10)
/* Transmit Status as received from the hardware. */
struct bcm43xx_hwxmitstatus {
PAD_BYTES(4);
__le16 cookie;
u8 flags;
u8 cnt1:4,
cnt2:4;
PAD_BYTES(2);
__le16 seq;
__le16 unknown; //FIXME
} __attribute__((__packed__));
/* Transmit Status in CPU byteorder. */
struct bcm43xx_xmitstatus {
u16 cookie;
u8 flags;
u8 cnt1:4,
cnt2:4;
u16 seq;
u16 unknown; //FIXME
};
#define BCM43xx_TXSTAT_FLAG_ACK 0x01
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x02
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x04
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x08
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x10
#define BCM43xx_TXSTAT_FLAG_IGNORE 0x20
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x40
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x80
u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate);
u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate);
int bcm43xx_rx(struct bcm43xx_private *bcm,
struct sk_buff *skb,
struct bcm43xx_rxhdr *rxhdr);
#endif /* BCM43xx_XMIT_H_ */
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