| #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; |
| __le16 phy_status2; /* PHY RX Status 2 */ |
| __le16 phy_status3; /* PHY RX Status 3 */ |
| __le32 mac_status; /* MAC RX status */ |
| __le16 mac_time; |
| __le16 channel; |
| } __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_ */ |