mirror of
https://github.com/torvalds/linux.git
synced 2024-11-17 09:31:50 +00:00
f398f02d12
Signed-off-by: Michael Buesch <mbuesch@freenet.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
#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_ */
|