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 <linux/workqueue.h>
24 #include <net/ieee80211.h>
25 #include <net/ieee80211softmac.h>
28 #include "zd_netdev.h"
34 /* stores only the difference to tx_length on ZD1211B */
36 __le16 current_length;
38 __le16 next_frame_length;
39 } __attribute__((packed));
41 #define ZD_CS_RESERVED_SIZE 25
43 /* zd_crtlset field modulation */
44 #define ZD_CS_RATE_MASK 0x0f
45 #define ZD_CS_TYPE_MASK 0x10
46 #define ZD_CS_RATE(modulation) ((modulation) & ZD_CS_RATE_MASK)
47 #define ZD_CS_TYPE(modulation) ((modulation) & ZD_CS_TYPE_MASK)
49 #define ZD_CS_CCK 0x00
50 #define ZD_CS_OFDM 0x10
52 /* These are referred to as zd_rates */
53 #define ZD_CCK_RATE_1M 0x00
54 #define ZD_CCK_RATE_2M 0x01
55 #define ZD_CCK_RATE_5_5M 0x02
56 #define ZD_CCK_RATE_11M 0x03
57 /* The rates for OFDM are encoded as in the PLCP header. Use ZD_OFDM_RATE_*.
60 /* bit 5 is preamble (when in CCK mode), or a/g selection (when in OFDM mode) */
61 #define ZD_CS_CCK_PREA_LONG 0x00
62 #define ZD_CS_CCK_PREA_SHORT 0x20
63 #define ZD_CS_OFDM_MODE_11G 0x00
64 #define ZD_CS_OFDM_MODE_11A 0x20
66 /* zd_ctrlset control field */
67 #define ZD_CS_NEED_RANDOM_BACKOFF 0x01
68 #define ZD_CS_MULTICAST 0x02
70 #define ZD_CS_FRAME_TYPE_MASK 0x0c
71 #define ZD_CS_DATA_FRAME 0x00
72 #define ZD_CS_PS_POLL_FRAME 0x04
73 #define ZD_CS_MANAGEMENT_FRAME 0x08
74 #define ZD_CS_NO_SEQUENCE_CTL_FRAME 0x0c
76 #define ZD_CS_WAKE_DESTINATION 0x10
77 #define ZD_CS_RTS 0x20
78 #define ZD_CS_ENCRYPT 0x40
79 #define ZD_CS_SELF_CTS 0x80
81 /* Incoming frames are prepended by a PLCP header */
82 #define ZD_PLCP_HEADER_SIZE 5
84 struct rx_length_info {
87 } __attribute__((packed));
89 #define RX_LENGTH_INFO_TAG 0x697e
92 u8 signal_quality_cck;
95 u8 signal_quality_ofdm;
98 } __attribute__((packed));
100 /* rx_status field decryption_type */
101 #define ZD_RX_NO_WEP 0
102 #define ZD_RX_WEP64 1
105 #define ZD_RX_WEP128 5
106 #define ZD_RX_WEP256 6
108 /* rx_status field frame_status */
109 #define ZD_RX_FRAME_MODULATION_MASK 0x01
110 #define ZD_RX_CCK 0x00
111 #define ZD_RX_OFDM 0x01
113 #define ZD_RX_TIMEOUT_ERROR 0x02
114 #define ZD_RX_FIFO_OVERRUN_ERROR 0x04
115 #define ZD_RX_DECRYPTION_ERROR 0x08
116 #define ZD_RX_CRC32_ERROR 0x10
117 #define ZD_RX_NO_ADDR1_MATCH_ERROR 0x20
118 #define ZD_RX_CRC16_ERROR 0x40
119 #define ZD_RX_ERROR 0x80
121 struct housekeeping {
122 struct delayed_work link_led_work;
125 #define ZD_MAC_STATS_BUFFER_SIZE 16
130 struct net_device *netdev;
132 /* Unlocked reading possible */
133 struct iw_statistics iw_stats;
135 struct housekeeping housekeeping;
136 struct work_struct set_multicast_hash_work;
137 struct zd_mc_hash multicast_hash;
138 struct delayed_work set_rts_cts_work;
139 struct delayed_work set_basic_rates_work;
141 unsigned int stats_count;
142 u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE];
143 u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE];
145 u8 default_regdomain;
146 u8 requested_channel;
148 /* A bitpattern of cr_rates */
154 /* Short preamble (used for RTS/CTS) */
155 unsigned int short_preamble:1;
157 /* flags to indicate update in progress */
158 unsigned int updating_rts_rate:1;
159 unsigned int updating_basic_rates:1;
162 static inline struct ieee80211_device *zd_mac_to_ieee80211(struct zd_mac *mac)
164 return zd_netdev_ieee80211(mac->netdev);
167 static inline struct zd_mac *zd_netdev_mac(struct net_device *netdev)
169 return ieee80211softmac_priv(netdev);
172 static inline struct zd_mac *zd_chip_to_mac(struct zd_chip *chip)
174 return container_of(chip, struct zd_mac, chip);
177 static inline struct zd_mac *zd_usb_to_mac(struct zd_usb *usb)
179 return zd_chip_to_mac(zd_usb_to_chip(usb));
182 #define zd_mac_dev(mac) (zd_chip_dev(&(mac)->chip))
184 int zd_mac_init(struct zd_mac *mac,
185 struct net_device *netdev,
186 struct usb_interface *intf);
187 void zd_mac_clear(struct zd_mac *mac);
189 int zd_mac_init_hw(struct zd_mac *mac, u8 device_type);
191 int zd_mac_open(struct net_device *netdev);
192 int zd_mac_stop(struct net_device *netdev);
193 int zd_mac_set_mac_address(struct net_device *dev, void *p);
194 void zd_mac_set_multicast_list(struct net_device *netdev);
196 int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length);
198 int zd_mac_set_regdomain(struct zd_mac *zd_mac, u8 regdomain);
199 u8 zd_mac_get_regdomain(struct zd_mac *zd_mac);
201 int zd_mac_request_channel(struct zd_mac *mac, u8 channel);
202 u8 zd_mac_get_channel(struct zd_mac *mac);
204 int zd_mac_set_mode(struct zd_mac *mac, u32 mode);
205 int zd_mac_get_mode(struct zd_mac *mac, u32 *mode);
207 int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range);
209 struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev);
212 void zd_dump_rx_status(const struct rx_status *status);
214 #define zd_dump_rx_status(status)
217 #endif /* _ZD_MAC_H */