| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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); |
| } |
| 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; |
| } |
| 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; |
| } |
| |
| #endif /* B43legacy_XMIT_H_ */ |
