rt2870_softc.h

   1
   2 /*-
   3  * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
   4  * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef _RT2870_SOFTC_H_
  20 #define _RT2870_SOFTC_H_
  21
  22 #include <sys/param.h>
  23 #include <sys/sysctl.h>
  24 #include <sys/sockio.h>
  25 #include <sys/mbuf.h>
  26 #include <sys/kernel.h>
  27 #include <sys/socket.h>
  28 #include <sys/systm.h>
  29 #include <sys/malloc.h>
  30 #include <sys/taskqueue.h>
  31 #include <sys/queue.h>
  32 #include <sys/module.h>
  33 #include <sys/bus.h>
  34 #include <sys/endian.h>
  35
  36 #include <machine/bus.h>
  37 #include <machine/resource.h>
  38 #include <sys/rman.h>
  39
  40 #include <net/bpf.h>
  41 #include <net/if.h>
  42 #include <net/if_arp.h>
  43 #include <net/ethernet.h>
  44 #include <net/if_dl.h>
  45 #include <net/if_media.h>
  46 #include <net/if_types.h>
  47
  48 #include <net80211/ieee80211_var.h>
  49 #include <net80211/ieee80211_input.h>
  50 #include <net80211/ieee80211_radiotap.h>
  51 #include <net80211/ieee80211_regdomain.h>
  52
  53 #include <dev/usb/usb.h>
  54 #include <dev/usb/usbdi.h>
  55 #include "usbdevs.h"
  56
  57 #include "rt2870_amrr.h"
  58
  59 #define RT2870_SOFTC_LOCK(sc)                                                           mtx_lock(&(sc)->lock)
  60 #define RT2870_SOFTC_UNLOCK(sc)                                                         mtx_unlock(&(sc)->lock)
  61 #define RT2870_SOFTC_ASSERT_LOCKED(sc)                                          mtx_assert(&(sc)->lock, MA_OWNED)
  62
  63 #define RT2870_SOFTC_FLAGS_UCODE_LOADED                                         (1 << 0)
  64
  65 #define RT2870_SOFTC_USB_XFER_COUNT                                                     (1 + RT2870_SOFTC_TX_RING_COUNT)
  66
  67 #define RT2870_SOFTC_LED_OFF_COUNT                                                      3
  68
  69 #define RT2870_SOFTC_RSSI_OFF_COUNT                                                     3
  70
  71 #define RT2870_SOFTC_LNA_GAIN_COUNT                                                     4
  72
  73 #define RT2870_SOFTC_TXPOW_COUNT                                                        50
  74
  75 #define RT2870_SOFTC_TXPOW_RATE_COUNT                                           5
  76
  77 #define RT2870_SOFTC_TSSI_COUNT                                                         9
  78
  79 #define RT2870_SOFTC_BBP_EEPROM_COUNT                                           8
  80
  81 #define RT2870_SOFTC_AMRR_NODE_COUNT                                            256
  82
  83 #define RT2870_SOFTC_TX_RING_COUNT                                                      6
  84
  85 #define RT2870_SOFTC_RX_RING_DATA_COUNT                                         128
  86
  87 #define RT2870_SOFTC_TX_RING_DATA_COUNT                                         256
  88
  89 #define RT2870_SOFTC_CMD_DATA_LEN                                                       256
  90 #define RT2870_SOFTC_CMD_RING_CMD_COUNT                                         64
  91
  92 #define RT2870_SOFTC_RX_RADIOTAP_PRESENT                                        \
  93         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
  94          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
  95          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                              \
  96          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |                               \
  97          (1 << IEEE80211_RADIOTAP_ANTENNA) |                                    \
  98          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                               \
  99          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 100
 101 #define RT2870_SOFTC_TX_RADIOTAP_PRESENT                                        \
 102         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
 103          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
 104          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 105
 106 struct rt2870_softc;
 107
 108 struct rt2870_softc_rx_data
 109 {
 110         STAILQ_ENTRY(rt2870_softc_rx_data) next;
 111         uint8_t *buf;
 112         uint16_t len;
 113 };
 114
 115 typedef STAILQ_HEAD(, rt2870_softc_rx_data) rt2870_softc_rx_data_queue;
 116
 117 struct rt2870_softc_rx_ring
 118 {
 119         struct rt2870_softc_rx_data data[RT2870_SOFTC_RX_RING_DATA_COUNT];
 120         rt2870_softc_rx_data_queue inactive;
 121         rt2870_softc_rx_data_queue active;
 122         rt2870_softc_rx_data_queue done;
 123 };
 124
 125 struct rt2870_softc_tx_data
 126 {
 127         STAILQ_ENTRY(rt2870_softc_tx_data) next;
 128         struct ieee80211_node *ni;
 129         uint8_t *buf;
 130         uint16_t len;
 131         struct mbuf *m;
 132 };
 133
 134 typedef STAILQ_HEAD(, rt2870_softc_tx_data) rt2870_softc_tx_data_queue;
 135
 136 struct rt2870_softc_tx_ring
 137 {
 138         struct rt2870_softc_tx_data data[RT2870_SOFTC_TX_RING_DATA_COUNT];
 139         rt2870_softc_tx_data_queue inactive;
 140         rt2870_softc_tx_data_queue pending;
 141         rt2870_softc_tx_data_queue active;
 142         rt2870_softc_tx_data_queue done;
 143         int queued;
 144         int qid;
 145 };
 146
 147 struct rt2870_softc_cmd
 148 {
 149         STAILQ_ENTRY(rt2870_softc_cmd) next;
 150         void (*cb)(struct rt2870_softc *sc, void *arg);
 151         uint8_t data[RT2870_SOFTC_CMD_DATA_LEN];
 152 };
 153
 154 typedef STAILQ_HEAD(, rt2870_softc_cmd) rt2870_softc_cmd_queue;
 155
 156 struct rt2870_softc_cmd_ring
 157 {
 158         struct rt2870_softc_cmd cmd[RT2870_SOFTC_CMD_RING_CMD_COUNT];
 159         rt2870_softc_cmd_queue inactive;
 160         rt2870_softc_cmd_queue active;
 161         int     queued;
 162 };
 163
 164 struct rt2870_softc_node
 165 {
 166         struct ieee80211_node ni;
 167 };
 168
 169 struct rt2870_softc_vap
 170 {
 171         struct ieee80211vap     vap;
 172         struct ieee80211_beacon_offsets beacon_offsets;
 173         struct rt2870_amrr amrr;
 174
 175         int     (*newstate)(struct ieee80211vap *vap,
 176                 enum ieee80211_state nstate, int arg);
 177 };
 178
 179 struct rt2870_softc_rx_radiotap_header
 180 {
 181         struct ieee80211_radiotap_header ihdr;
 182         uint8_t flags;
 183         uint8_t rate;
 184         int8_t dbm_antsignal;
 185         int8_t dbm_antnoise;
 186         uint8_t antenna;
 187         uint8_t antsignal;
 188         uint8_t pad[2];
 189         uint32_t chan_flags;
 190         uint16_t chan_freq;
 191         uint8_t chan_ieee;
 192         int8_t chan_maxpow;
 193 } __packed;
 194
 195 struct rt2870_softc_tx_radiotap_header
 196 {
 197         struct ieee80211_radiotap_header ihdr;
 198         uint8_t flags;
 199         uint8_t rate;
 200         uint8_t pad[2];
 201         uint32_t chan_flags;
 202         uint16_t chan_freq;
 203         uint8_t chan_ieee;
 204         int8_t chan_maxpow;
 205 } __packed;
 206
 207 struct rt2870_softc
 208 {
 209         struct mtx lock;
 210
 211         uint32_t flags;
 212
 213         device_t dev;
 214
 215         int usb_endpoints;
 216         struct usb_device *usb_dev;
 217         struct usb_xfer *usb_xfer[1 + RT2870_SOFTC_TX_RING_COUNT];
 218
 219         struct ifnet *ifp;
 220         int if_flags;
 221
 222         int tx_ampdu_sessions;
 223
 224         int (*recv_action)(struct ieee80211_node *ni,
 225                 const struct ieee80211_frame *wh,
 226                 const uint8_t *frm, const uint8_t *efrm);
 227
 228         int (*send_action)(struct ieee80211_node *ni,
 229                 int cat, int act, void *sa);
 230
 231         struct rt2870_amrr_node amrr_node[RT2870_SOFTC_AMRR_NODE_COUNT];
 232
 233         uint32_t mac_rev;
 234         uint16_t eeprom_rev;
 235         uint8_t rf_rev;
 236
 237         uint8_t mac_addr[IEEE80211_ADDR_LEN];
 238
 239         uint8_t ntxpath;
 240         uint8_t nrxpath;
 241
 242         int hw_radio_cntl;
 243         int tx_agc_cntl;
 244         int ext_lna_2ghz;
 245         int ext_lna_5ghz;
 246
 247         uint8_t country_2ghz;
 248         uint8_t country_5ghz;
 249
 250         uint8_t rf_freq_off;
 251
 252         uint8_t led_cntl;
 253         uint16_t led_off[RT2870_SOFTC_LED_OFF_COUNT];
 254
 255         int8_t rssi_off_2ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 256         int8_t rssi_off_5ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 257
 258         int8_t lna_gain[RT2870_SOFTC_LNA_GAIN_COUNT];
 259
 260         int8_t txpow1[RT2870_SOFTC_TXPOW_COUNT];
 261         int8_t txpow2[RT2870_SOFTC_TXPOW_COUNT];
 262
 263         int8_t txpow_rate_delta_2ghz;
 264         int8_t txpow_rate_delta_5ghz;
 265         uint32_t txpow_rate_20mhz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 266         uint32_t txpow_rate_40mhz_2ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 267         uint32_t txpow_rate_40mhz_5ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 268
 269         int tx_agc_cntl_2ghz;
 270         int tx_agc_cntl_5ghz;
 271
 272         uint8_t tssi_2ghz[RT2870_SOFTC_TSSI_COUNT];
 273         uint8_t tssi_step_2ghz;
 274         uint8_t tssi_5ghz[RT2870_SOFTC_TSSI_COUNT];
 275         uint8_t tssi_step_5ghz;
 276
 277         struct
 278         {
 279                 uint8_t val;
 280                 uint8_t reg;
 281         } __packed bbp_eeprom[RT2870_SOFTC_BBP_EEPROM_COUNT];
 282
 283         struct task rx_done_task;
 284         int rx_process_limit;
 285
 286         struct task tx_done_task;
 287         uint32_t tx_qid_pending_mask;
 288
 289         struct task periodic_task;
 290         struct callout periodic_ch;
 291         unsigned long periodic_round;
 292
 293         struct task cmd_task;
 294
 295         struct taskqueue *taskqueue;
 296
 297         struct rt2870_softc_rx_ring rx_ring;
 298
 299         struct rt2870_softc_tx_ring tx_ring[RT2870_SOFTC_TX_RING_COUNT];
 300         int tx_ring_mgtqid;
 301
 302         struct callout tx_watchdog_ch;
 303         int tx_timer;
 304
 305         struct rt2870_softc_cmd_ring cmd_ring;
 306
 307         struct rt2870_softc_rx_radiotap_header rxtap;
 308         struct rt2870_softc_tx_radiotap_header txtap;
 309
 310         /* statistic counters */
 311
 312         unsigned long interrupts;
 313         unsigned long rx_interrupts;
 314         unsigned long tx_interrupts[RT2870_SOFTC_TX_RING_COUNT];
 315
 316         unsigned long tx_data_queue_full[RT2870_SOFTC_TX_RING_COUNT];
 317
 318         unsigned long tx_watchdog_timeouts;
 319
 320         unsigned long rx_mbuf_alloc_errors;
 321
 322         unsigned long tx_queue_not_empty[2];
 323
 324         unsigned long tx_beacons;
 325         unsigned long tx_noretryok;
 326         unsigned long tx_retryok;
 327         unsigned long tx_failed;
 328         unsigned long tx_nonagg;
 329         unsigned long tx_agg;
 330         unsigned long tx_ampdu;
 331
 332         unsigned long rx_packets;
 333         unsigned long rx_ampdu;
 334         unsigned long rx_amsdu;
 335         unsigned long rx_crc_errors;
 336         unsigned long rx_phy_errors;
 337         unsigned long rx_false_ccas;
 338         unsigned long rx_plcp_errors;
 339         unsigned long rx_dup_packets;
 340         unsigned long rx_fifo_overflows;
 341
 342 #ifdef RT2870_DEBUG
 343         int debug;
 344 #endif
 345 };
 346
 347 #endif /* #ifndef _RT2870_SOFTC_H_ */