diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/net/wireless/zd1211rw/zd_mac.h | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.h')
-rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.h | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h deleted file mode 100644 index 5a4842353..000000000 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ /dev/null @@ -1,327 +0,0 @@ -/* ZD1211 USB-WLAN driver for Linux - * - * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> - * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef _ZD_MAC_H -#define _ZD_MAC_H - -#include <linux/kernel.h> -#include <net/mac80211.h> - -#include "zd_chip.h" - -struct zd_ctrlset { - u8 modulation; - __le16 tx_length; - u8 control; - /* stores only the difference to tx_length on ZD1211B */ - __le16 packet_length; - __le16 current_length; - u8 service; - __le16 next_frame_length; -} __packed; - -#define ZD_CS_RESERVED_SIZE 25 - -/* 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 0x0f -#define ZD_MODULATION_TYPE_MASK 0x10 -#define ZD_RATE_MASK (ZD_PURE_RATE_MASK|ZD_MODULATION_TYPE_MASK) -#define ZD_PURE_RATE(modulation) ((modulation) & ZD_PURE_RATE_MASK) -#define ZD_MODULATION_TYPE(modulation) ((modulation) & ZD_MODULATION_TYPE_MASK) -#define ZD_RATE(modulation) ((modulation) & ZD_RATE_MASK) - -/* 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 0x00 -#define ZD_OFDM 0x10 - -/* 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 (ZD_CCK|0x00) -#define ZD_CCK_RATE_2M (ZD_CCK|0x01) -#define ZD_CCK_RATE_5_5M (ZD_CCK|0x02) -#define ZD_CCK_RATE_11M (ZD_CCK|0x03) -#define ZD_OFDM_RATE_6M (ZD_OFDM|ZD_OFDM_PLCP_RATE_6M) -#define ZD_OFDM_RATE_9M (ZD_OFDM|ZD_OFDM_PLCP_RATE_9M) -#define ZD_OFDM_RATE_12M (ZD_OFDM|ZD_OFDM_PLCP_RATE_12M) -#define ZD_OFDM_RATE_18M (ZD_OFDM|ZD_OFDM_PLCP_RATE_18M) -#define ZD_OFDM_RATE_24M (ZD_OFDM|ZD_OFDM_PLCP_RATE_24M) -#define ZD_OFDM_RATE_36M (ZD_OFDM|ZD_OFDM_PLCP_RATE_36M) -#define ZD_OFDM_RATE_48M (ZD_OFDM|ZD_OFDM_PLCP_RATE_48M) -#define ZD_OFDM_RATE_54M (ZD_OFDM|ZD_OFDM_PLCP_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 0x00 -#define ZD_CCK_PREA_SHORT 0x20 -#define ZD_OFDM_MODE_11G 0x00 -#define ZD_OFDM_MODE_11A 0x20 - -/* zd_ctrlset control field */ -#define ZD_CS_NEED_RANDOM_BACKOFF 0x01 -#define ZD_CS_NO_ACK 0x02 - -#define ZD_CS_FRAME_TYPE_MASK 0x0c -#define ZD_CS_DATA_FRAME 0x00 -#define ZD_CS_PS_POLL_FRAME 0x04 -#define ZD_CS_MANAGEMENT_FRAME 0x08 -#define ZD_CS_NO_SEQUENCE_CTL_FRAME 0x0c - -#define ZD_CS_WAKE_DESTINATION 0x10 -#define ZD_CS_RTS 0x20 -#define ZD_CS_ENCRYPT 0x40 -#define ZD_CS_SELF_CTS 0x80 - -/* Incoming frames are prepended by a PLCP header */ -#define ZD_PLCP_HEADER_SIZE 5 - -struct rx_length_info { - __le16 length[3]; - __le16 tag; -} __packed; - -#define RX_LENGTH_INFO_TAG 0x697e - -struct rx_status { - u8 signal_quality_cck; - /* rssi */ - u8 signal_strength; - u8 signal_quality_ofdm; - u8 decryption_type; - u8 frame_status; -} __packed; - -/* rx_status field decryption_type */ -#define ZD_RX_NO_WEP 0 -#define ZD_RX_WEP64 1 -#define ZD_RX_TKIP 2 -#define ZD_RX_AES 4 -#define ZD_RX_WEP128 5 -#define ZD_RX_WEP256 6 - -/* rx_status field frame_status */ -#define ZD_RX_FRAME_MODULATION_MASK 0x01 -#define ZD_RX_CCK 0x00 -#define ZD_RX_OFDM 0x01 - -#define ZD_RX_TIMEOUT_ERROR 0x02 -#define ZD_RX_FIFO_OVERRUN_ERROR 0x04 -#define ZD_RX_DECRYPTION_ERROR 0x08 -#define ZD_RX_CRC32_ERROR 0x10 -#define ZD_RX_NO_ADDR1_MATCH_ERROR 0x20 -#define ZD_RX_CRC16_ERROR 0x40 -#define ZD_RX_ERROR 0x80 - -struct tx_retry_rate { - int count; /* number of valid element in rate[] array */ - int rate[10]; /* retry rates, described by an index in zd_rates[] */ -}; - -struct tx_status { - u8 type; /* must always be 0x01 : USB_INT_TYPE */ - u8 id; /* must always be 0xa0 : USB_INT_ID_RETRY_FAILED */ - u8 rate; - u8 pad; - u8 mac[ETH_ALEN]; - u8 retry; - u8 failure; -} __packed; - -enum mac_flags { - MAC_FIXED_CHANNEL = 0x01, -}; - -struct housekeeping { - struct delayed_work link_led_work; -}; - -struct beacon { - struct delayed_work watchdog_work; - struct sk_buff *cur_beacon; - unsigned long last_update; - u16 interval; - u8 period; -}; - -enum zd_device_flags { - ZD_DEVICE_RUNNING, -}; - -#define ZD_MAC_STATS_BUFFER_SIZE 16 - -#define ZD_MAC_MAX_ACK_WAITERS 50 - -struct zd_mac { - struct zd_chip chip; - spinlock_t lock; - spinlock_t intr_lock; - struct ieee80211_hw *hw; - struct ieee80211_vif *vif; - struct housekeeping housekeeping; - struct beacon beacon; - struct work_struct set_rts_cts_work; - struct work_struct process_intr; - struct zd_mc_hash multicast_hash; - u8 intr_buffer[USB_MAX_EP_INT_BUFFER]; - u8 regdomain; - u8 default_regdomain; - u8 channel; - int type; - int associated; - unsigned long flags; - struct sk_buff_head ack_wait_queue; - struct ieee80211_channel channels[14]; - struct ieee80211_rate rates[12]; - struct ieee80211_supported_band band; - - /* Short preamble (used for RTS/CTS) */ - unsigned int short_preamble:1; - - /* whether to pass frames with CRC errors to stack */ - unsigned int pass_failed_fcs:1; - - /* whether to pass control frames to stack */ - unsigned int pass_ctrl:1; - - /* whether we have received a 802.11 ACK that is pending */ - unsigned int ack_pending:1; - - /* signal strength of the last 802.11 ACK received */ - int ack_signal; -}; - -#define ZD_REGDOMAIN_FCC 0x10 -#define ZD_REGDOMAIN_IC 0x20 -#define ZD_REGDOMAIN_ETSI 0x30 -#define ZD_REGDOMAIN_SPAIN 0x31 -#define ZD_REGDOMAIN_FRANCE 0x32 -#define ZD_REGDOMAIN_JAPAN_2 0x40 -#define ZD_REGDOMAIN_JAPAN 0x41 -#define ZD_REGDOMAIN_JAPAN_3 0x49 - -enum { - MIN_CHANNEL24 = 1, - MAX_CHANNEL24 = 14, -}; - -#define ZD_PLCP_SERVICE_LENGTH_EXTENSION 0x80 - -struct ofdm_plcp_header { - u8 prefix[3]; - __le16 service; -} __packed; - -static inline u8 zd_ofdm_plcp_header_rate(const struct ofdm_plcp_header *header) -{ - return header->prefix[0] & 0xf; -} - -/* 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 0xb -#define ZD_OFDM_PLCP_RATE_9M 0xf -#define ZD_OFDM_PLCP_RATE_12M 0xa -#define ZD_OFDM_PLCP_RATE_18M 0xe -#define ZD_OFDM_PLCP_RATE_24M 0x9 -#define ZD_OFDM_PLCP_RATE_36M 0xd -#define ZD_OFDM_PLCP_RATE_48M 0x8 -#define ZD_OFDM_PLCP_RATE_54M 0xc - -struct cck_plcp_header { - u8 signal; - u8 service; - __le16 length; - __le16 crc16; -} __packed; - -static inline u8 zd_cck_plcp_header_signal(const struct cck_plcp_header *header) -{ - return header->signal; -} - -/* 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 0x0a -#define ZD_CCK_PLCP_SIGNAL_2M 0x14 -#define ZD_CCK_PLCP_SIGNAL_5M5 0x37 -#define ZD_CCK_PLCP_SIGNAL_11M 0x6e - -static inline struct zd_mac *zd_hw_mac(struct ieee80211_hw *hw) -{ - return hw->priv; -} - -static inline struct zd_mac *zd_chip_to_mac(struct zd_chip *chip) -{ - return container_of(chip, struct zd_mac, chip); -} - -static inline struct zd_mac *zd_usb_to_mac(struct zd_usb *usb) -{ - return zd_chip_to_mac(zd_usb_to_chip(usb)); -} - -static inline u8 *zd_mac_get_perm_addr(struct zd_mac *mac) -{ - return mac->hw->wiphy->perm_addr; -} - -#define zd_mac_dev(mac) (zd_chip_dev(&(mac)->chip)) - -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); -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(status) -#endif /* DEBUG */ - -#endif /* _ZD_MAC_H */ |