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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef B43legacy_XMIT_H_3#define B43legacy_XMIT_H_4 5#include "main.h"6 7 8#define _b43legacy_declare_plcp_hdr(size) \9 struct b43legacy_plcp_hdr##size { \10 union { \11 __le32 data; \12 __u8 raw[size]; \13 } __packed; \14 } __packed15 16/* struct b43legacy_plcp_hdr4 */17_b43legacy_declare_plcp_hdr(4);18/* struct b43legacy_plcp_hdr6 */19_b43legacy_declare_plcp_hdr(6);20 21#undef _b43legacy_declare_plcp_hdr22 23 24/* TX header for v3 firmware */25struct b43legacy_txhdr_fw3 {26 __le32 mac_ctl; /* MAC TX control */27 __le16 mac_frame_ctl; /* Copy of the FrameControl */28 __le16 tx_fes_time_norm; /* TX FES Time Normal */29 __le16 phy_ctl; /* PHY TX control */30 __u8 iv[16]; /* Encryption IV */31 __u8 tx_receiver[6]; /* TX Frame Receiver address */32 __le16 tx_fes_time_fb; /* TX FES Time Fallback */33 struct b43legacy_plcp_hdr4 rts_plcp_fb; /* RTS fallback PLCP */34 __le16 rts_dur_fb; /* RTS fallback duration */35 struct b43legacy_plcp_hdr4 plcp_fb; /* Fallback PLCP */36 __le16 dur_fb; /* Fallback duration */37 PAD_BYTES(2);38 __le16 cookie;39 __le16 unknown_scb_stuff;40 struct b43legacy_plcp_hdr6 rts_plcp; /* RTS PLCP */41 __u8 rts_frame[18]; /* The RTS frame (if used) */42 struct b43legacy_plcp_hdr6 plcp;43} __packed;44 45/* MAC TX control */46#define B43legacy_TX4_MAC_KEYIDX 0x0FF00000 /* Security key index */47#define B43legacy_TX4_MAC_KEYIDX_SHIFT 2048#define B43legacy_TX4_MAC_KEYALG 0x00070000 /* Security key algorithm */49#define B43legacy_TX4_MAC_KEYALG_SHIFT 1650#define B43legacy_TX4_MAC_LIFETIME 0x0000100051#define B43legacy_TX4_MAC_FRAMEBURST 0x0000080052#define B43legacy_TX4_MAC_SENDCTS 0x0000040053#define B43legacy_TX4_MAC_AMPDU 0x0000030054#define B43legacy_TX4_MAC_AMPDU_SHIFT 855#define B43legacy_TX4_MAC_CTSFALLBACKOFDM 0x0000020056#define B43legacy_TX4_MAC_FALLBACKOFDM 0x0000010057#define B43legacy_TX4_MAC_5GHZ 0x0000008058#define B43legacy_TX4_MAC_IGNPMQ 0x0000002059#define B43legacy_TX4_MAC_HWSEQ 0x00000010 /* Use Hardware Seq No */60#define B43legacy_TX4_MAC_STMSDU 0x00000008 /* Start MSDU */61#define B43legacy_TX4_MAC_SENDRTS 0x0000000462#define B43legacy_TX4_MAC_LONGFRAME 0x0000000263#define B43legacy_TX4_MAC_ACK 0x0000000164 65/* Extra Frame Types */66#define B43legacy_TX4_EFT_FBOFDM 0x0001 /* Data frame fb rate type */67#define B43legacy_TX4_EFT_RTSOFDM 0x0004 /* RTS/CTS rate type */68#define B43legacy_TX4_EFT_RTSFBOFDM 0x0010 /* RTS/CTS fallback rate type */69 70/* PHY TX control word */71#define B43legacy_TX4_PHY_ENC 0x0003 /* Data frame encoding */72#define B43legacy_TX4_PHY_ENC_CCK 0x0000 /* CCK */73#define B43legacy_TX4_PHY_ENC_OFDM 0x0001 /* Data frame rate type */74#define B43legacy_TX4_PHY_SHORTPRMBL 0x0010 /* Use short preamble */75#define B43legacy_TX4_PHY_ANT 0x03C0 /* Antenna selection */76#define B43legacy_TX4_PHY_ANT0 0x0000 /* Use antenna 0 */77#define B43legacy_TX4_PHY_ANT1 0x0100 /* Use antenna 1 */78#define B43legacy_TX4_PHY_ANTLAST 0x0300 /* Use last used antenna */79 80 81 82int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,83 u8 *txhdr,84 const unsigned char *fragment_data,85 unsigned int fragment_len,86 struct ieee80211_tx_info *info,87 u16 cookie);88 89 90/* Transmit Status */91struct b43legacy_txstatus {92 u16 cookie; /* The cookie from the txhdr */93 u16 seq; /* Sequence number */94 u8 phy_stat; /* PHY TX status */95 u8 frame_count; /* Frame transmit count */96 u8 rts_count; /* RTS transmit count */97 u8 supp_reason; /* Suppression reason */98 /* flags */99 u8 pm_indicated;/* PM mode indicated to AP */100 u8 intermediate;/* Intermediate status notification */101 u8 for_ampdu; /* Status is for an AMPDU (afterburner) */102 u8 acked; /* Wireless ACK received */103};104 105/* txstatus supp_reason values */106enum {107 B43legacy_TXST_SUPP_NONE, /* Not suppressed */108 B43legacy_TXST_SUPP_PMQ, /* Suppressed due to PMQ entry */109 B43legacy_TXST_SUPP_FLUSH, /* Suppressed due to flush request */110 B43legacy_TXST_SUPP_PREV, /* Previous fragment failed */111 B43legacy_TXST_SUPP_CHAN, /* Channel mismatch */112 B43legacy_TXST_SUPP_LIFE, /* Lifetime expired */113 B43legacy_TXST_SUPP_UNDER, /* Buffer underflow */114 B43legacy_TXST_SUPP_ABNACK, /* Afterburner NACK */115};116 117/* Transmit Status as received through DMA/PIO on old chips */118struct b43legacy_hwtxstatus {119 PAD_BYTES(4);120 __le16 cookie;121 u8 flags;122 u8 count;123 PAD_BYTES(2);124 __le16 seq;125 u8 phy_stat;126 PAD_BYTES(1);127} __packed;128 129 130/* Receive header for v3 firmware. */131struct b43legacy_rxhdr_fw3 {132 __le16 frame_len; /* Frame length */133 PAD_BYTES(2);134 __le16 phy_status0; /* PHY RX Status 0 */135 __u8 jssi; /* PHY RX Status 1: JSSI */136 __u8 sig_qual; /* PHY RX Status 1: Signal Quality */137 PAD_BYTES(2); /* PHY RX Status 2 */138 __le16 phy_status3; /* PHY RX Status 3 */139 __le16 mac_status; /* MAC RX status */140 __le16 mac_time;141 __le16 channel;142} __packed;143 144 145/* PHY RX Status 0 */146#define B43legacy_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */147#define B43legacy_RX_PHYST0_PLCPHCF 0x0200148#define B43legacy_RX_PHYST0_PLCPFV 0x0100149#define B43legacy_RX_PHYST0_SHORTPRMBL 0x0080 /* Recvd with Short Preamble */150#define B43legacy_RX_PHYST0_LCRS 0x0040151#define B43legacy_RX_PHYST0_ANT 0x0020 /* Antenna */152#define B43legacy_RX_PHYST0_UNSRATE 0x0010153#define B43legacy_RX_PHYST0_CLIP 0x000C154#define B43legacy_RX_PHYST0_CLIP_SHIFT 2155#define B43legacy_RX_PHYST0_FTYPE 0x0003 /* Frame type */156#define B43legacy_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */157#define B43legacy_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */158#define B43legacy_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */159#define B43legacy_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */160 161/* PHY RX Status 2 */162#define B43legacy_RX_PHYST2_LNAG 0xC000 /* LNA Gain */163#define B43legacy_RX_PHYST2_LNAG_SHIFT 14164#define B43legacy_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */165#define B43legacy_RX_PHYST2_PNAG_SHIFT 10166#define B43legacy_RX_PHYST2_FOFF 0x03FF /* F offset */167 168/* PHY RX Status 3 */169#define B43legacy_RX_PHYST3_DIGG 0x1800 /* DIG Gain */170#define B43legacy_RX_PHYST3_DIGG_SHIFT 11171#define B43legacy_RX_PHYST3_TRSTATE 0x0400 /* TR state */172 173/* MAC RX Status */174#define B43legacy_RX_MAC_BEACONSENT 0x00008000 /* Beacon send flag */175#define B43legacy_RX_MAC_KEYIDX 0x000007E0 /* Key index */176#define B43legacy_RX_MAC_KEYIDX_SHIFT 5177#define B43legacy_RX_MAC_DECERR 0x00000010 /* Decrypt error */178#define B43legacy_RX_MAC_DEC 0x00000008 /* Decryption attempted */179#define B43legacy_RX_MAC_PADDING 0x00000004 /* Pad bytes present */180#define B43legacy_RX_MAC_RESP 0x00000002 /* Response frame xmitted */181#define B43legacy_RX_MAC_FCSERR 0x00000001 /* FCS error */182 183/* RX channel */184#define B43legacy_RX_CHAN_GAIN 0xFC00 /* Gain */185#define B43legacy_RX_CHAN_GAIN_SHIFT 10186#define B43legacy_RX_CHAN_ID 0x03FC /* Channel ID */187#define B43legacy_RX_CHAN_ID_SHIFT 2188#define B43legacy_RX_CHAN_PHYTYPE 0x0003 /* PHY type */189 190 191 192u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate);193u8 b43legacy_plcp_get_ratecode_ofdm(const u8 bitrate);194 195void b43legacy_generate_plcp_hdr(struct b43legacy_plcp_hdr4 *plcp,196 const u16 octets, const u8 bitrate);197 198void b43legacy_rx(struct b43legacy_wldev *dev,199 struct sk_buff *skb,200 const void *_rxhdr);201 202void b43legacy_handle_txstatus(struct b43legacy_wldev *dev,203 const struct b43legacy_txstatus *status);204 205void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev,206 const struct b43legacy_hwtxstatus *hw);207 208void b43legacy_tx_suspend(struct b43legacy_wldev *dev);209void b43legacy_tx_resume(struct b43legacy_wldev *dev);210 211 212#define B43legacy_NR_QOSPARMS 22213enum {214 B43legacy_QOSPARM_TXOP = 0,215 B43legacy_QOSPARM_CWMIN,216 B43legacy_QOSPARM_CWMAX,217 B43legacy_QOSPARM_CWCUR,218 B43legacy_QOSPARM_AIFS,219 B43legacy_QOSPARM_BSLOTS,220 B43legacy_QOSPARM_REGGAP,221 B43legacy_QOSPARM_STATUS,222};223 224void b43legacy_qos_init(struct b43legacy_wldev *dev);225 226 227/* Helper functions for converting the key-table index from "firmware-format"228 * to "raw-format" and back. The firmware API changed for this at some revision.229 * We need to account for that here. */230static inline231int b43legacy_new_kidx_api(struct b43legacy_wldev *dev)232{233 /* FIXME: Not sure the change was at rev 351 */234 return (dev->fw.rev >= 351);235}236static inline237u8 b43legacy_kidx_to_fw(struct b43legacy_wldev *dev, u8 raw_kidx)238{239 u8 firmware_kidx;240 if (b43legacy_new_kidx_api(dev))241 firmware_kidx = raw_kidx;242 else {243 if (raw_kidx >= 4) /* Is per STA key? */244 firmware_kidx = raw_kidx - 4;245 else246 firmware_kidx = raw_kidx; /* TX default key */247 }248 return firmware_kidx;249}250static inline251u8 b43legacy_kidx_to_raw(struct b43legacy_wldev *dev, u8 firmware_kidx)252{253 u8 raw_kidx;254 if (b43legacy_new_kidx_api(dev))255 raw_kidx = firmware_kidx;256 else257 /* RX default keys or per STA keys */258 raw_kidx = firmware_kidx + 4;259 return raw_kidx;260}261 262#endif /* B43legacy_XMIT_H_ */263