3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/wireless.h>
22 #include <linux/kernel.h>
23 #include <net/ieee80211.h>
24 #include <net/ieee80211softmac.h>
27 #include "zd_netdev.h"
33 /* stores only the difference to tx_length on ZD1211B */
35 __le16 current_length;
37 __le16 next_frame_length;
38 } __attribute__((packed));
40 #define ZD_CS_RESERVED_SIZE 25
42 /* zd_crtlset field modulation */
43 #define ZD_CS_RATE_MASK 0x0f
44 #define ZD_CS_TYPE_MASK 0x10
45 #define ZD_CS_RATE(modulation) ((modulation) & ZD_CS_RATE_MASK)
46 #define ZD_CS_TYPE(modulation) ((modulation) & ZD_CS_TYPE_MASK)
48 #define ZD_CS_CCK 0x00
49 #define ZD_CS_OFDM 0x10
51 /* These are referred to as zd_rates */
52 #define ZD_CCK_RATE_1M 0x00
53 #define ZD_CCK_RATE_2M 0x01
54 #define ZD_CCK_RATE_5_5M 0x02
55 #define ZD_CCK_RATE_11M 0x03
56 /* The rates for OFDM are encoded as in the PLCP header. Use ZD_OFDM_RATE_*.
59 /* bit 5 is preamble (when in CCK mode), or a/g selection (when in OFDM mode) */
60 #define ZD_CS_CCK_PREA_LONG 0x00
61 #define ZD_CS_CCK_PREA_SHORT 0x20
62 #define ZD_CS_OFDM_MODE_11G 0x00
63 #define ZD_CS_OFDM_MODE_11A 0x20
65 /* zd_ctrlset control field */
66 #define ZD_CS_NEED_RANDOM_BACKOFF 0x01
67 #define ZD_CS_MULTICAST 0x02
69 #define ZD_CS_FRAME_TYPE_MASK 0x0c
70 #define ZD_CS_DATA_FRAME 0x00
71 #define ZD_CS_PS_POLL_FRAME 0x04
72 #define ZD_CS_MANAGEMENT_FRAME 0x08
73 #define ZD_CS_NO_SEQUENCE_CTL_FRAME 0x0c
75 #define ZD_CS_WAKE_DESTINATION 0x10
76 #define ZD_CS_RTS 0x20
77 #define ZD_CS_ENCRYPT 0x40
78 #define ZD_CS_SELF_CTS 0x80
80 /* Incoming frames are prepended by a PLCP header */
81 #define ZD_PLCP_HEADER_SIZE 5
83 struct rx_length_info {
86 } __attribute__((packed));
88 #define RX_LENGTH_INFO_TAG 0x697e
91 u8 signal_quality_cck;
94 u8 signal_quality_ofdm;
97 } __attribute__((packed));
99 /* rx_status field decryption_type */
100 #define ZD_RX_NO_WEP 0
101 #define ZD_RX_WEP64 1
104 #define ZD_RX_WEP128 5
105 #define ZD_RX_WEP256 6
107 /* rx_status field frame_status */
108 #define ZD_RX_FRAME_MODULATION_MASK 0x01
109 #define ZD_RX_CCK 0x00
110 #define ZD_RX_OFDM 0x01
112 #define ZD_RX_TIMEOUT_ERROR 0x02
113 #define ZD_RX_FIFO_OVERRUN_ERROR 0x04
114 #define ZD_RX_DECRYPTION_ERROR 0x08
115 #define ZD_RX_CRC32_ERROR 0x10
116 #define ZD_RX_NO_ADDR1_MATCH_ERROR 0x20
117 #define ZD_RX_CRC16_ERROR 0x40
118 #define ZD_RX_ERROR 0x80
120 struct housekeeping {
121 struct work_struct link_led_work;
124 #define ZD_MAC_STATS_BUFFER_SIZE 16
129 struct net_device *netdev;
130 /* Unlocked reading possible */
131 struct iw_statistics iw_stats;
132 struct housekeeping housekeeping;
133 unsigned int stats_count;
134 u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE];
135 u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE];
137 u8 default_regdomain;
138 u8 requested_channel;
141 static inline struct ieee80211_device *zd_mac_to_ieee80211(struct zd_mac *mac)
143 return zd_netdev_ieee80211(mac->netdev);
146 static inline struct zd_mac *zd_netdev_mac(struct net_device *netdev)
148 return ieee80211softmac_priv(netdev);
151 static inline struct zd_mac *zd_chip_to_mac(struct zd_chip *chip)
153 return container_of(chip, struct zd_mac, chip);
156 static inline struct zd_mac *zd_usb_to_mac(struct zd_usb *usb)
158 return zd_chip_to_mac(zd_usb_to_chip(usb));
161 #define zd_mac_dev(mac) (zd_chip_dev(&(mac)->chip))
163 int zd_mac_init(struct zd_mac *mac,
164 struct net_device *netdev,
165 struct usb_interface *intf);
166 void zd_mac_clear(struct zd_mac *mac);
168 int zd_mac_init_hw(struct zd_mac *mac, u8 device_type);
170 int zd_mac_open(struct net_device *netdev);
171 int zd_mac_stop(struct net_device *netdev);
172 int zd_mac_set_mac_address(struct net_device *dev, void *p);
174 int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length);
176 int zd_mac_set_regdomain(struct zd_mac *zd_mac, u8 regdomain);
177 u8 zd_mac_get_regdomain(struct zd_mac *zd_mac);
179 int zd_mac_request_channel(struct zd_mac *mac, u8 channel);
180 u8 zd_mac_get_channel(struct zd_mac *mac);
182 int zd_mac_set_mode(struct zd_mac *mac, u32 mode);
183 int zd_mac_get_mode(struct zd_mac *mac, u32 *mode);
185 int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range);
187 struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev);
190 void zd_dump_rx_status(const struct rx_status *status);
192 #define zd_dump_rx_status(status)
195 #endif /* _ZD_MAC_H */