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linux_dsm_epyc7002/drivers/net/wireless/b43/xmit.h
Rafał Miłecki 73d51f38c7 b43: HT-PHY: report signal to mac80211 
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-07 13:19:12 -05:00

413 lines
14 KiB
C
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#ifndef B43_XMIT_H_
#define B43_XMIT_H_
#include "main.h"
#include <net/mac80211.h>
#define _b43_declare_plcp_hdr(size) \
struct b43_plcp_hdr##size { \
union { \
__le32 data; \
__u8 raw[size]; \
} __packed; \
} __packed
/* struct b43_plcp_hdr4 */
_b43_declare_plcp_hdr(4);
/* struct b43_plcp_hdr6 */
_b43_declare_plcp_hdr(6);
#undef _b43_declare_plcp_hdr
/* TX header for v4 firmware */
struct b43_txhdr {
__le32 mac_ctl; /* MAC TX control */
__le16 mac_frame_ctl; /* Copy of the FrameControl field */
__le16 tx_fes_time_norm; /* TX FES Time Normal */
__le16 phy_ctl; /* PHY TX control */
__le16 phy_ctl1; /* PHY TX control word 1 */
__le16 phy_ctl1_fb; /* PHY TX control word 1 for fallback rates */
__le16 phy_ctl1_rts; /* PHY TX control word 1 RTS */
__le16 phy_ctl1_rts_fb; /* PHY TX control word 1 RTS for fallback rates */
__u8 phy_rate; /* PHY rate */
__u8 phy_rate_rts; /* PHY rate for RTS/CTS */
__u8 extra_ft; /* Extra Frame Types */
__u8 chan_radio_code; /* Channel Radio Code */
__u8 iv[16]; /* Encryption IV */
__u8 tx_receiver[6]; /* TX Frame Receiver address */
__le16 tx_fes_time_fb; /* TX FES Time Fallback */
struct b43_plcp_hdr6 rts_plcp_fb; /* RTS fallback PLCP header */
__le16 rts_dur_fb; /* RTS fallback duration */
struct b43_plcp_hdr6 plcp_fb; /* Fallback PLCP header */
__le16 dur_fb; /* Fallback duration */
__le16 mimo_modelen; /* MIMO mode length */
__le16 mimo_ratelen_fb; /* MIMO fallback rate length */
__le32 timeout; /* Timeout */
union {
/* Tested with 598.314, 644.1001 and 666.2 */
struct {
__le16 mimo_antenna; /* MIMO antenna select */
__le16 preload_size; /* Preload size */
PAD_BYTES(2);
__le16 cookie; /* TX frame cookie */
__le16 tx_status; /* TX status */
__le16 max_n_mpdus;
__le16 max_a_bytes_mrt;
__le16 max_a_bytes_fbr;
__le16 min_m_bytes;
struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
__u8 rts_frame[16]; /* The RTS frame (if used) */
PAD_BYTES(2);
struct b43_plcp_hdr6 plcp; /* Main PLCP header */
} format_598 __packed;
/* Tested with 410.2160, 478.104 and 508.* */
struct {
__le16 mimo_antenna; /* MIMO antenna select */
__le16 preload_size; /* Preload size */
PAD_BYTES(2);
__le16 cookie; /* TX frame cookie */
__le16 tx_status; /* TX status */
struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
__u8 rts_frame[16]; /* The RTS frame (if used) */
PAD_BYTES(2);
struct b43_plcp_hdr6 plcp; /* Main PLCP header */
} format_410 __packed;
/* Tested with 351.126 */
struct {
PAD_BYTES(2);
__le16 cookie; /* TX frame cookie */
__le16 tx_status; /* TX status */
struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
__u8 rts_frame[16]; /* The RTS frame (if used) */
PAD_BYTES(2);
struct b43_plcp_hdr6 plcp; /* Main PLCP header */
} format_351 __packed;
} __packed;
} __packed;
struct b43_tx_legacy_rate_phy_ctl_entry {
u8 bitrate;
u16 coding_rate;
u16 modulation;
};
/* MAC TX control */
#define B43_TXH_MAC_USEFBR 0x10000000 /* Use fallback rate for this AMPDU */
#define B43_TXH_MAC_KEYIDX 0x0FF00000 /* Security key index */
#define B43_TXH_MAC_KEYIDX_SHIFT 20
#define B43_TXH_MAC_KEYALG 0x00070000 /* Security key algorithm */
#define B43_TXH_MAC_KEYALG_SHIFT 16
#define B43_TXH_MAC_AMIC 0x00008000 /* AMIC */
#define B43_TXH_MAC_RIFS 0x00004000 /* Use RIFS */
#define B43_TXH_MAC_LIFETIME 0x00002000 /* Lifetime */
#define B43_TXH_MAC_FRAMEBURST 0x00001000 /* Frameburst */
#define B43_TXH_MAC_SENDCTS 0x00000800 /* Send CTS-to-self */
#define B43_TXH_MAC_AMPDU 0x00000600 /* AMPDU status */
#define B43_TXH_MAC_AMPDU_MPDU 0x00000000 /* Regular MPDU, not an AMPDU */
#define B43_TXH_MAC_AMPDU_FIRST 0x00000200 /* First MPDU or AMPDU */
#define B43_TXH_MAC_AMPDU_INTER 0x00000400 /* Intermediate MPDU or AMPDU */
#define B43_TXH_MAC_AMPDU_LAST 0x00000600 /* Last (or only) MPDU of AMPDU */
#define B43_TXH_MAC_40MHZ 0x00000100 /* Use 40 MHz bandwidth */
#define B43_TXH_MAC_5GHZ 0x00000080 /* 5GHz band */
#define B43_TXH_MAC_DFCS 0x00000040 /* DFCS */
#define B43_TXH_MAC_IGNPMQ 0x00000020 /* Ignore PMQ */
#define B43_TXH_MAC_HWSEQ 0x00000010 /* Use Hardware Sequence Number */
#define B43_TXH_MAC_STMSDU 0x00000008 /* Start MSDU */
#define B43_TXH_MAC_SENDRTS 0x00000004 /* Send RTS */
#define B43_TXH_MAC_LONGFRAME 0x00000002 /* Long frame */
#define B43_TXH_MAC_ACK 0x00000001 /* Immediate ACK */
/* Extra Frame Types */
#define B43_TXH_EFT_FB 0x03 /* Data frame fallback encoding */
#define B43_TXH_EFT_FB_CCK 0x00 /* CCK */
#define B43_TXH_EFT_FB_OFDM 0x01 /* OFDM */
#define B43_TXH_EFT_FB_EWC 0x02 /* EWC */
#define B43_TXH_EFT_FB_N 0x03 /* N */
#define B43_TXH_EFT_RTS 0x0C /* RTS/CTS encoding */
#define B43_TXH_EFT_RTS_CCK 0x00 /* CCK */
#define B43_TXH_EFT_RTS_OFDM 0x04 /* OFDM */
#define B43_TXH_EFT_RTS_EWC 0x08 /* EWC */
#define B43_TXH_EFT_RTS_N 0x0C /* N */
#define B43_TXH_EFT_RTSFB 0x30 /* RTS/CTS fallback encoding */
#define B43_TXH_EFT_RTSFB_CCK 0x00 /* CCK */
#define B43_TXH_EFT_RTSFB_OFDM 0x10 /* OFDM */
#define B43_TXH_EFT_RTSFB_EWC 0x20 /* EWC */
#define B43_TXH_EFT_RTSFB_N 0x30 /* N */
/* PHY TX control word */
#define B43_TXH_PHY_ENC 0x0003 /* Data frame encoding */
#define B43_TXH_PHY_ENC_CCK 0x0000 /* CCK */
#define B43_TXH_PHY_ENC_OFDM 0x0001 /* OFDM */
#define B43_TXH_PHY_ENC_EWC 0x0002 /* EWC */
#define B43_TXH_PHY_ENC_N 0x0003 /* N */
#define B43_TXH_PHY_SHORTPRMBL 0x0010 /* Use short preamble */
#define B43_TXH_PHY_ANT 0x03C0 /* Antenna selection */
#define B43_TXH_PHY_ANT0 0x0000 /* Use antenna 0 */
#define B43_TXH_PHY_ANT1 0x0040 /* Use antenna 1 */
#define B43_TXH_PHY_ANT01AUTO 0x00C0 /* Use antenna 0/1 auto */
#define B43_TXH_PHY_ANT2 0x0100 /* Use antenna 2 */
#define B43_TXH_PHY_ANT3 0x0200 /* Use antenna 3 */
#define B43_TXH_PHY_TXPWR 0xFC00 /* TX power */
#define B43_TXH_PHY_TXPWR_SHIFT 10
/* PHY TX control word 1 */
#define B43_TXH_PHY1_BW 0x0007 /* Bandwidth */
#define B43_TXH_PHY1_BW_10 0x0000 /* 10 MHz */
#define B43_TXH_PHY1_BW_10U 0x0001 /* 10 MHz upper */
#define B43_TXH_PHY1_BW_20 0x0002 /* 20 MHz */
#define B43_TXH_PHY1_BW_20U 0x0003 /* 20 MHz upper */
#define B43_TXH_PHY1_BW_40 0x0004 /* 40 MHz */
#define B43_TXH_PHY1_BW_40DUP 0x0005 /* 50 MHz duplicate */
#define B43_TXH_PHY1_MODE 0x0038 /* Mode */
#define B43_TXH_PHY1_MODE_SISO 0x0000 /* SISO */
#define B43_TXH_PHY1_MODE_CDD 0x0008 /* CDD */
#define B43_TXH_PHY1_MODE_STBC 0x0010 /* STBC */
#define B43_TXH_PHY1_MODE_SDM 0x0018 /* SDM */
#define B43_TXH_PHY1_CRATE 0x0700 /* Coding rate */
#define B43_TXH_PHY1_CRATE_1_2 0x0000 /* 1/2 */
#define B43_TXH_PHY1_CRATE_2_3 0x0100 /* 2/3 */
#define B43_TXH_PHY1_CRATE_3_4 0x0200 /* 3/4 */
#define B43_TXH_PHY1_CRATE_4_5 0x0300 /* 4/5 */
#define B43_TXH_PHY1_CRATE_5_6 0x0400 /* 5/6 */
#define B43_TXH_PHY1_CRATE_7_8 0x0600 /* 7/8 */
#define B43_TXH_PHY1_MODUL 0x3800 /* Modulation scheme */
#define B43_TXH_PHY1_MODUL_BPSK 0x0000 /* BPSK */
#define B43_TXH_PHY1_MODUL_QPSK 0x0800 /* QPSK */
#define B43_TXH_PHY1_MODUL_QAM16 0x1000 /* QAM16 */
#define B43_TXH_PHY1_MODUL_QAM64 0x1800 /* QAM64 */
#define B43_TXH_PHY1_MODUL_QAM256 0x2000 /* QAM256 */
static inline
size_t b43_txhdr_size(struct b43_wldev *dev)
{
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
return 112 + sizeof(struct b43_plcp_hdr6);
case B43_FW_HDR_410:
return 104 + sizeof(struct b43_plcp_hdr6);
case B43_FW_HDR_351:
return 100 + sizeof(struct b43_plcp_hdr6);
}
return 0;
}
int b43_generate_txhdr(struct b43_wldev *dev,
u8 * txhdr,
struct sk_buff *skb_frag,
struct ieee80211_tx_info *txctl, u16 cookie);
/* Transmit Status */
struct b43_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 (not final) */
u8 for_ampdu; /* Status is for an AMPDU (afterburner) */
u8 acked; /* Wireless ACK received */
};
/* txstatus supp_reason values */
enum {
B43_TXST_SUPP_NONE, /* Not suppressed */
B43_TXST_SUPP_PMQ, /* Suppressed due to PMQ entry */
B43_TXST_SUPP_FLUSH, /* Suppressed due to flush request */
B43_TXST_SUPP_PREV, /* Previous fragment failed */
B43_TXST_SUPP_CHAN, /* Channel mismatch */
B43_TXST_SUPP_LIFE, /* Lifetime expired */
B43_TXST_SUPP_UNDER, /* Buffer underflow */
B43_TXST_SUPP_ABNACK, /* Afterburner NACK */
};
/* Receive header for v4 firmware. */
struct b43_rxhdr_fw4 {
__le16 frame_len; /* Frame length */
PAD_BYTES(2);
__le16 phy_status0; /* PHY RX Status 0 */
union {
/* RSSI for A/B/G-PHYs */
struct {
__u8 jssi; /* PHY RX Status 1: JSSI */
__u8 sig_qual; /* PHY RX Status 1: Signal Quality */
} __packed;
/* RSSI for N-PHYs */
struct {
__s8 power0; /* PHY RX Status 1: Power 0 */
__s8 power1; /* PHY RX Status 1: Power 1 */
} __packed;
} __packed;
union {
/* HT-PHY */
struct {
PAD_BYTES(1);
__s8 phy_ht_power0;
} __packed;
/* RSSI for N-PHYs */
struct {
__s8 power2;
PAD_BYTES(1);
} __packed;
__le16 phy_status2; /* PHY RX Status 2 */
} __packed;
union {
/* HT-PHY */
struct {
__s8 phy_ht_power1;
__s8 phy_ht_power2;
} __packed;
__le16 phy_status3; /* PHY RX Status 3 */
} __packed;
union {
/* Tested with 598.314, 644.1001 and 666.2 */
struct {
__le16 phy_status4; /* PHY RX Status 4 */
__le16 phy_status5; /* PHY RX Status 5 */
__le32 mac_status; /* MAC RX status */
__le16 mac_time;
__le16 channel;
} format_598 __packed;
/* Tested with 351.126, 410.2160, 478.104 and 508.* */
struct {
__le32 mac_status; /* MAC RX status */
__le16 mac_time;
__le16 channel;
} format_351 __packed;
} __packed;
} __packed;
/* PHY RX Status 0 */
#define B43_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */
#define B43_RX_PHYST0_PLCPHCF 0x0200
#define B43_RX_PHYST0_PLCPFV 0x0100
#define B43_RX_PHYST0_SHORTPRMBL 0x0080 /* Received with Short Preamble */
#define B43_RX_PHYST0_LCRS 0x0040
#define B43_RX_PHYST0_ANT 0x0020 /* Antenna */
#define B43_RX_PHYST0_UNSRATE 0x0010
#define B43_RX_PHYST0_CLIP 0x000C
#define B43_RX_PHYST0_CLIP_SHIFT 2
#define B43_RX_PHYST0_FTYPE 0x0003 /* Frame type */
#define B43_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */
#define B43_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */
#define B43_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */
#define B43_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */
/* PHY RX Status 2 */
#define B43_RX_PHYST2_LNAG 0xC000 /* LNA Gain */
#define B43_RX_PHYST2_LNAG_SHIFT 14
#define B43_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */
#define B43_RX_PHYST2_PNAG_SHIFT 10
#define B43_RX_PHYST2_FOFF 0x03FF /* F offset */
/* PHY RX Status 3 */
#define B43_RX_PHYST3_DIGG 0x1800 /* DIG Gain */
#define B43_RX_PHYST3_DIGG_SHIFT 11
#define B43_RX_PHYST3_TRSTATE 0x0400 /* TR state */
/* MAC RX Status */
#define B43_RX_MAC_RXST_VALID 0x01000000 /* PHY RXST valid */
#define B43_RX_MAC_TKIP_MICERR 0x00100000 /* TKIP MIC error */
#define B43_RX_MAC_TKIP_MICATT 0x00080000 /* TKIP MIC attempted */
#define B43_RX_MAC_AGGTYPE 0x00060000 /* Aggregation type */
#define B43_RX_MAC_AGGTYPE_SHIFT 17
#define B43_RX_MAC_AMSDU 0x00010000 /* A-MSDU mask */
#define B43_RX_MAC_BEACONSENT 0x00008000 /* Beacon sent flag */
#define B43_RX_MAC_KEYIDX 0x000007E0 /* Key index */
#define B43_RX_MAC_KEYIDX_SHIFT 5
#define B43_RX_MAC_DECERR 0x00000010 /* Decrypt error */
#define B43_RX_MAC_DEC 0x00000008 /* Decryption attempted */
#define B43_RX_MAC_PADDING 0x00000004 /* Pad bytes present */
#define B43_RX_MAC_RESP 0x00000002 /* Response frame transmitted */
#define B43_RX_MAC_FCSERR 0x00000001 /* FCS error */
/* RX channel */
#define B43_RX_CHAN_40MHZ 0x1000 /* 40 Mhz channel width */
#define B43_RX_CHAN_5GHZ 0x0800 /* 5 Ghz band */
#define B43_RX_CHAN_ID 0x07F8 /* Channel ID */
#define B43_RX_CHAN_ID_SHIFT 3
#define B43_RX_CHAN_PHYTYPE 0x0007 /* PHY type */
u8 b43_plcp_get_ratecode_cck(const u8 bitrate);
u8 b43_plcp_get_ratecode_ofdm(const u8 bitrate);
void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
const u16 octets, const u8 bitrate);
void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr);
void b43_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);
bool b43_fill_txstatus_report(struct b43_wldev *dev,
struct ieee80211_tx_info *report,
const struct b43_txstatus *status);
void b43_tx_suspend(struct b43_wldev *dev);
void b43_tx_resume(struct b43_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 b43_new_kidx_api(struct b43_wldev *dev)
{
/* FIXME: Not sure the change was at rev 351 */
return (dev->fw.rev >= 351);
}
static inline u8 b43_kidx_to_fw(struct b43_wldev *dev, u8 raw_kidx)
{
u8 firmware_kidx;
if (b43_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;
}
static inline u8 b43_kidx_to_raw(struct b43_wldev *dev, u8 firmware_kidx)
{
u8 raw_kidx;
if (b43_new_kidx_api(dev))
raw_kidx = firmware_kidx;
else
raw_kidx = firmware_kidx + 4; /* RX default keys or per STA keys */
return raw_kidx;
}
/* struct b43_private_tx_info - TX info private to b43.
* The structure is placed in (struct ieee80211_tx_info *)->rate_driver_data
*
* @bouncebuffer: DMA Bouncebuffer (if used)
*/
struct b43_private_tx_info {
void *bouncebuffer;
};
static inline struct b43_private_tx_info *
b43_get_priv_tx_info(struct ieee80211_tx_info *info)
{
BUILD_BUG_ON(sizeof(struct b43_private_tx_info) >
sizeof(info->rate_driver_data));
return (struct b43_private_tx_info *)info->rate_driver_data;
}
#endif /* B43_XMIT_H_ */
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