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Release 4.11 drivers/net/wireless/broadcom/b43legacy/xmit.h

Directory: drivers/net/wireless/broadcom/b43legacy
#ifndef B43legacy_XMIT_H_

#define B43legacy_XMIT_H_

#include "main.h"



#define _b43legacy_declare_plcp_hdr(size)	\
	struct b43legacy_plcp_hdr##size {       \
                union {                         \
                        __le32 data;            \
                        __u8 raw[size];         \
                } __packed;     \
        } __packed

/* struct b43legacy_plcp_hdr4 */
_b43legacy_declare_plcp_hdr(4);
/* struct b43legacy_plcp_hdr6 */
_b43legacy_declare_plcp_hdr(6);


#undef _b43legacy_declare_plcp_hdr


/* TX header for v3 firmware */

struct b43legacy_txhdr_fw3 {
	
__le32 mac_ctl;				/* MAC TX control */
	
__le16 mac_frame_ctl;			/* Copy of the FrameControl */
	
__le16 tx_fes_time_norm;		/* TX FES Time Normal */
	
__le16 phy_ctl;				/* PHY TX control */
	
__u8 iv[16];				/* Encryption IV */
	
__u8 tx_receiver[6];			/* TX Frame Receiver address */
	
__le16 tx_fes_time_fb;			/* TX FES Time Fallback */
	
struct b43legacy_plcp_hdr4 rts_plcp_fb;	/* RTS fallback PLCP */
	
__le16 rts_dur_fb;			/* RTS fallback duration */
	
struct b43legacy_plcp_hdr4 plcp_fb;	/* Fallback PLCP */
	
__le16 dur_fb;				/* Fallback duration */
	PAD_BYTES(2);
	
__le16 cookie;
	
__le16 unknown_scb_stuff;
	
struct b43legacy_plcp_hdr6 rts_plcp;	/* RTS PLCP */
	
__u8 rts_frame[18];			/* The RTS frame (if used) */
	
struct b43legacy_plcp_hdr6 plcp;
} 
__packed;

/* MAC TX control */

#define B43legacy_TX4_MAC_KEYIDX	0x0FF00000 
/* Security key index */

#define B43legacy_TX4_MAC_KEYIDX_SHIFT	20

#define B43legacy_TX4_MAC_KEYALG	0x00070000 
/* Security key algorithm */

#define B43legacy_TX4_MAC_KEYALG_SHIFT	16

#define B43legacy_TX4_MAC_LIFETIME	0x00001000

#define B43legacy_TX4_MAC_FRAMEBURST	0x00000800

#define B43legacy_TX4_MAC_SENDCTS	0x00000400

#define B43legacy_TX4_MAC_AMPDU		0x00000300

#define B43legacy_TX4_MAC_AMPDU_SHIFT	8

#define B43legacy_TX4_MAC_CTSFALLBACKOFDM	0x00000200

#define B43legacy_TX4_MAC_FALLBACKOFDM	0x00000100

#define B43legacy_TX4_MAC_5GHZ		0x00000080

#define B43legacy_TX4_MAC_IGNPMQ	0x00000020

#define B43legacy_TX4_MAC_HWSEQ		0x00000010 
/* Use Hardware Seq No */

#define B43legacy_TX4_MAC_STMSDU	0x00000008 
/* Start MSDU */

#define B43legacy_TX4_MAC_SENDRTS	0x00000004

#define B43legacy_TX4_MAC_LONGFRAME	0x00000002

#define B43legacy_TX4_MAC_ACK		0x00000001

/* Extra Frame Types */

#define B43legacy_TX4_EFT_FBOFDM	0x0001 
/* Data frame fb rate type */

#define B43legacy_TX4_EFT_RTSOFDM	0x0004 
/* RTS/CTS rate type */

#define B43legacy_TX4_EFT_RTSFBOFDM	0x0010 
/* RTS/CTS fallback rate type */

/* PHY TX control word */

#define B43legacy_TX4_PHY_ENC		0x0003 
/* Data frame encoding */

#define B43legacy_TX4_PHY_ENC_CCK	0x0000 
/* CCK */

#define B43legacy_TX4_PHY_ENC_OFDM	0x0001 
/* Data frame rate type */

#define B43legacy_TX4_PHY_SHORTPRMBL	0x0010 
/* Use short preamble */

#define B43legacy_TX4_PHY_ANT		0x03C0 
/* Antenna selection */

#define  B43legacy_TX4_PHY_ANT0		0x0000 
/* Use antenna 0 */

#define  B43legacy_TX4_PHY_ANT1		0x0100 
/* Use antenna 1 */

#define  B43legacy_TX4_PHY_ANTLAST	0x0300 
/* Use last used antenna */



int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
			      u8 *txhdr,
			      const unsigned char *fragment_data,
			      unsigned int fragment_len,
			      struct ieee80211_tx_info *info,
			      u16 cookie);


/* Transmit Status */

struct b43legacy_txstatus {
	
u16 cookie;	/* The cookie from the txhdr */
	
u16 seq;	/* Sequence number */
	
u8 phy_stat;	/* PHY TX status */
	
u8 frame_count;	/* Frame transmit count */
	
u8 rts_count;	/* RTS transmit count */
	
u8 supp_reason;	/* Suppression reason */
	/* flags */
	
u8 pm_indicated;/* PM mode indicated to AP */
	
u8 intermediate;/* Intermediate status notification */
	
u8 for_ampdu;	/* Status is for an AMPDU (afterburner) */
	
u8 acked;	/* Wireless ACK received */
};

/* txstatus supp_reason values */
enum {
	
B43legacy_TXST_SUPP_NONE,	/* Not suppressed */
	
B43legacy_TXST_SUPP_PMQ,	/* Suppressed due to PMQ entry */
	
B43legacy_TXST_SUPP_FLUSH,	/* Suppressed due to flush request */
	
B43legacy_TXST_SUPP_PREV,	/* Previous fragment failed */
	
B43legacy_TXST_SUPP_CHAN,	/* Channel mismatch */
	
B43legacy_TXST_SUPP_LIFE,	/* Lifetime expired */
	
B43legacy_TXST_SUPP_UNDER,	/* Buffer underflow */
	
B43legacy_TXST_SUPP_ABNACK,	/* Afterburner NACK */
};

/* Transmit Status as received through DMA/PIO on old chips */

struct b43legacy_hwtxstatus {
	PAD_BYTES(4);
	
__le16 cookie;
	
u8 flags;
	
u8 count;
	PAD_BYTES(2);
	
__le16 seq;
	
u8 phy_stat;
	PAD_BYTES(1);
} 
__packed;


/* Receive header for v3 firmware. */

struct b43legacy_rxhdr_fw3 {
	
__le16 frame_len;	/* Frame length */
	PAD_BYTES(2);
	
__le16 phy_status0;	/* PHY RX Status 0 */
	
__u8 jssi;		/* PHY RX Status 1: JSSI */
	
__u8 sig_qual;		/* PHY RX Status 1: Signal Quality */
	PAD_BYTES(2);		/* PHY RX Status 2 */
	
__le16 phy_status3;	/* PHY RX Status 3 */
	
__le16 mac_status;	/* MAC RX status */
	
__le16 mac_time;
	
__le16 channel;
} 
__packed;


/* PHY RX Status 0 */

#define B43legacy_RX_PHYST0_GAINCTL	0x4000 
/* Gain Control */

#define B43legacy_RX_PHYST0_PLCPHCF	0x0200

#define B43legacy_RX_PHYST0_PLCPFV	0x0100

#define B43legacy_RX_PHYST0_SHORTPRMBL	0x0080 
/* Recvd with Short Preamble */

#define B43legacy_RX_PHYST0_LCRS	0x0040

#define B43legacy_RX_PHYST0_ANT		0x0020 
/* Antenna */

#define B43legacy_RX_PHYST0_UNSRATE	0x0010

#define B43legacy_RX_PHYST0_CLIP	0x000C

#define B43legacy_RX_PHYST0_CLIP_SHIFT	2

#define B43legacy_RX_PHYST0_FTYPE	0x0003 
/* Frame type */

#define  B43legacy_RX_PHYST0_CCK	0x0000 
/* Frame type: CCK */

#define  B43legacy_RX_PHYST0_OFDM	0x0001 
/* Frame type: OFDM */

#define  B43legacy_RX_PHYST0_PRE_N	0x0002 
/* Pre-standard N-PHY frame */

#define  B43legacy_RX_PHYST0_STD_N	0x0003 
/* Standard N-PHY frame */

/* PHY RX Status 2 */

#define B43legacy_RX_PHYST2_LNAG	0xC000 
/* LNA Gain */

#define B43legacy_RX_PHYST2_LNAG_SHIFT	14

#define B43legacy_RX_PHYST2_PNAG	0x3C00 
/* PNA Gain */

#define B43legacy_RX_PHYST2_PNAG_SHIFT	10

#define B43legacy_RX_PHYST2_FOFF	0x03FF 
/* F offset */

/* PHY RX Status 3 */

#define B43legacy_RX_PHYST3_DIGG	0x1800 
/* DIG Gain */

#define B43legacy_RX_PHYST3_DIGG_SHIFT	11

#define B43legacy_RX_PHYST3_TRSTATE	0x0400 
/* TR state */

/* MAC RX Status */

#define B43legacy_RX_MAC_BEACONSENT	0x00008000 
/* Beacon send flag */

#define B43legacy_RX_MAC_KEYIDX		0x000007E0 
/* Key index */

#define B43legacy_RX_MAC_KEYIDX_SHIFT	5

#define B43legacy_RX_MAC_DECERR		0x00000010 
/* Decrypt error */

#define B43legacy_RX_MAC_DEC		0x00000008 
/* Decryption attempted */

#define B43legacy_RX_MAC_PADDING	0x00000004 
/* Pad bytes present */

#define B43legacy_RX_MAC_RESP		0x00000002 
/* Response frame xmitted */

#define B43legacy_RX_MAC_FCSERR		0x00000001 
/* FCS error */

/* RX channel */

#define B43legacy_RX_CHAN_GAIN		0xFC00 
/* Gain */

#define B43legacy_RX_CHAN_GAIN_SHIFT	10

#define B43legacy_RX_CHAN_ID		0x03FC 
/* Channel ID */

#define B43legacy_RX_CHAN_ID_SHIFT	2

#define B43legacy_RX_CHAN_PHYTYPE	0x0003 
/* PHY type */



u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate);
u8 b43legacy_plcp_get_ratecode_ofdm(const u8 bitrate);

void b43legacy_generate_plcp_hdr(struct b43legacy_plcp_hdr4 *plcp,
			       const u16 octets, const u8 bitrate);

void b43legacy_rx(struct b43legacy_wldev *dev,
		struct sk_buff *skb,
		const void *_rxhdr);

void b43legacy_handle_txstatus(struct b43legacy_wldev *dev,
			       const struct b43legacy_txstatus *status);

void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev,
				 const struct b43legacy_hwtxstatus *hw);

void b43legacy_tx_suspend(struct b43legacy_wldev *dev);
void b43legacy_tx_resume(struct b43legacy_wldev *dev);



#define B43legacy_NR_QOSPARMS	22
enum {
	
B43legacy_QOSPARM_TXOP = 0,
	
B43legacy_QOSPARM_CWMIN,
	
B43legacy_QOSPARM_CWMAX,
	
B43legacy_QOSPARM_CWCUR,
	
B43legacy_QOSPARM_AIFS,
	
B43legacy_QOSPARM_BSLOTS,
	
B43legacy_QOSPARM_REGGAP,
	
B43legacy_QOSPARM_STATUS,
};

void b43legacy_qos_init(struct b43legacy_wldev *dev);


/* Helper functions for converting the key-table index from "firmware-format"
 * to "raw-format" and back. The firmware API changed for this at some revision.
 * We need to account for that here. */


static inline

int b43legacy_new_kidx_api(struct b43legacy_wldev *dev)
{
	/* FIXME: Not sure the change was at rev 351 */
	return (dev->fw.rev >= 351);
}

Contributors
PersonTokensPropCommitsCommitProp
Larry Finger24100.00%1100.00%


Total24100.00%1100.00%





static inline

u8 b43legacy_kidx_to_fw(struct b43legacy_wldev *dev, u8 raw_kidx)
{
	u8 firmware_kidx;
	if (b43legacy_new_kidx_api(dev))
		firmware_kidx = raw_kidx;
	else {
		if (raw_kidx >= 4) /* Is per STA key? */
			firmware_kidx = raw_kidx - 4;
		else
			firmware_kidx = raw_kidx; /* TX default key */
	}
	return firmware_kidx;
}

Contributors
PersonTokensPropCommitsCommitProp
Larry Finger54100.00%1100.00%


Total54100.00%1100.00%





static inline

u8 b43legacy_kidx_to_raw(struct b43legacy_wldev *dev, u8 firmware_kidx)
{
	u8 raw_kidx;
	if (b43legacy_new_kidx_api(dev))
		raw_kidx = firmware_kidx;
	else
		/* RX default keys or per STA keys */
		raw_kidx = firmware_kidx + 4;
	return raw_kidx;
}


Contributors
PersonTokensPropCommitsCommitProp
Larry Finger40100.00%1100.00%


Total40100.00%1100.00%



#endif /* B43legacy_XMIT_H_ */

Overall Contributors
PersonTokensPropCommitsCommitProp
Larry Finger86199.19%240.00%


Eric Dumazet40.46%120.00%


Johannes Berg20.23%120.00%


Stefano Brivio10.12%120.00%


Total868100.00%5100.00%


Directory: drivers/net/wireless/broadcom/b43legacy



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