/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ZD1211 USB-WLAN driver for Linux * * Copyright (C) 2005-2007 Ulrich Kunitz <[email protected]> * Copyright (C) 2006-2007 Daniel Drake <[email protected]> */ #ifndef _ZD_MAC_H #define _ZD_MAC_H #include <linux/kernel.h> #include <net/mac80211.h> #include "zd_chip.h" struct zd_ctrlset { … } __packed; #define ZD_CS_RESERVED_SIZE … /* The field modulation of struct zd_ctrlset controls the bit rate, the use * of short or long preambles in 802.11b (CCK mode) or the use of 802.11a or * 802.11g in OFDM mode. * * The term zd-rate is used for the combination of the modulation type flag * and the "pure" rate value. */ #define ZD_PURE_RATE_MASK … #define ZD_MODULATION_TYPE_MASK … #define ZD_RATE_MASK … #define ZD_PURE_RATE(modulation) … #define ZD_MODULATION_TYPE(modulation) … #define ZD_RATE(modulation) … /* The two possible modulation types. Notify that 802.11b doesn't use the CCK * codeing for the 1 and 2 MBit/s rate. We stay with the term here to remain * consistent with uses the term at other places. */ #define ZD_CCK … #define ZD_OFDM … /* The ZD1211 firmware uses proprietary encodings of the 802.11b (CCK) rates. * For OFDM the PLCP rate encodings are used. We combine these "pure" rates * with the modulation type flag and call the resulting values zd-rates. */ #define ZD_CCK_RATE_1M … #define ZD_CCK_RATE_2M … #define ZD_CCK_RATE_5_5M … #define ZD_CCK_RATE_11M … #define ZD_OFDM_RATE_6M … #define ZD_OFDM_RATE_9M … #define ZD_OFDM_RATE_12M … #define ZD_OFDM_RATE_18M … #define ZD_OFDM_RATE_24M … #define ZD_OFDM_RATE_36M … #define ZD_OFDM_RATE_48M … #define ZD_OFDM_RATE_54M … /* The bit 5 of the zd_ctrlset modulation field controls the preamble in CCK * mode or the 802.11a/802.11g selection in OFDM mode. */ #define ZD_CCK_PREA_LONG … #define ZD_CCK_PREA_SHORT … #define ZD_OFDM_MODE_11G … #define ZD_OFDM_MODE_11A … /* zd_ctrlset control field */ #define ZD_CS_NEED_RANDOM_BACKOFF … #define ZD_CS_NO_ACK … #define ZD_CS_FRAME_TYPE_MASK … #define ZD_CS_DATA_FRAME … #define ZD_CS_PS_POLL_FRAME … #define ZD_CS_MANAGEMENT_FRAME … #define ZD_CS_NO_SEQUENCE_CTL_FRAME … #define ZD_CS_WAKE_DESTINATION … #define ZD_CS_RTS … #define ZD_CS_ENCRYPT … #define ZD_CS_SELF_CTS … /* Incoming frames are prepended by a PLCP header */ #define ZD_PLCP_HEADER_SIZE … struct rx_length_info { … } __packed; #define RX_LENGTH_INFO_TAG … struct rx_status { … } __packed; /* rx_status field decryption_type */ #define ZD_RX_NO_WEP … #define ZD_RX_WEP64 … #define ZD_RX_TKIP … #define ZD_RX_AES … #define ZD_RX_WEP128 … #define ZD_RX_WEP256 … /* rx_status field frame_status */ #define ZD_RX_FRAME_MODULATION_MASK … #define ZD_RX_CCK … #define ZD_RX_OFDM … #define ZD_RX_TIMEOUT_ERROR … #define ZD_RX_FIFO_OVERRUN_ERROR … #define ZD_RX_DECRYPTION_ERROR … #define ZD_RX_CRC32_ERROR … #define ZD_RX_NO_ADDR1_MATCH_ERROR … #define ZD_RX_CRC16_ERROR … #define ZD_RX_ERROR … struct tx_retry_rate { … }; struct tx_status { … } __packed; enum mac_flags { … }; struct housekeeping { … }; struct beacon { … }; enum zd_device_flags { … }; #define ZD_MAC_STATS_BUFFER_SIZE … #define ZD_MAC_MAX_ACK_WAITERS … struct zd_mac { … }; #define ZD_REGDOMAIN_FCC … #define ZD_REGDOMAIN_IC … #define ZD_REGDOMAIN_ETSI … #define ZD_REGDOMAIN_SPAIN … #define ZD_REGDOMAIN_FRANCE … #define ZD_REGDOMAIN_JAPAN_2 … #define ZD_REGDOMAIN_JAPAN … #define ZD_REGDOMAIN_JAPAN_3 … enum { … }; #define ZD_PLCP_SERVICE_LENGTH_EXTENSION … struct ofdm_plcp_header { … } __packed; static inline u8 zd_ofdm_plcp_header_rate(const struct ofdm_plcp_header *header) { … } /* The following defines give the encoding of the 4-bit rate field in the * OFDM (802.11a/802.11g) PLCP header. Notify that these values are used to * define the zd-rate values for OFDM. * * See the struct zd_ctrlset definition in zd_mac.h. */ #define ZD_OFDM_PLCP_RATE_6M … #define ZD_OFDM_PLCP_RATE_9M … #define ZD_OFDM_PLCP_RATE_12M … #define ZD_OFDM_PLCP_RATE_18M … #define ZD_OFDM_PLCP_RATE_24M … #define ZD_OFDM_PLCP_RATE_36M … #define ZD_OFDM_PLCP_RATE_48M … #define ZD_OFDM_PLCP_RATE_54M … struct cck_plcp_header { … } __packed; static inline u8 zd_cck_plcp_header_signal(const struct cck_plcp_header *header) { … } /* These defines give the encodings of the signal field in the 802.11b PLCP * header. The signal field gives the bit rate of the following packet. Even * if technically wrong we use CCK here also for the 1 MBit/s and 2 MBit/s * rate to stay consistent with Zydas and our use of the term. * * Notify that these values are *not* used in the zd-rates. */ #define ZD_CCK_PLCP_SIGNAL_1M … #define ZD_CCK_PLCP_SIGNAL_2M … #define ZD_CCK_PLCP_SIGNAL_5M5 … #define ZD_CCK_PLCP_SIGNAL_11M … static inline struct zd_mac *zd_hw_mac(struct ieee80211_hw *hw) { … } static inline struct zd_mac *zd_chip_to_mac(struct zd_chip *chip) { … } static inline struct zd_mac *zd_usb_to_mac(struct zd_usb *usb) { … } static inline u8 *zd_mac_get_perm_addr(struct zd_mac *mac) { … } #define zd_mac_dev(mac) … struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf); void zd_mac_clear(struct zd_mac *mac); int zd_mac_preinit_hw(struct ieee80211_hw *hw); int zd_mac_init_hw(struct ieee80211_hw *hw); int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length); void zd_mac_tx_failed(struct urb *urb); void zd_mac_tx_to_dev(struct sk_buff *skb, int error); int zd_op_start(struct ieee80211_hw *hw); void zd_op_stop(struct ieee80211_hw *hw, bool suspend); int zd_restore_settings(struct zd_mac *mac); #ifdef DEBUG void zd_dump_rx_status(const struct rx_status *status); #else #define zd_dump_rx_status … #endif /* DEBUG */ #endif /* _ZD_MAC_H */
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