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 <dev/usb/usbdi_util.h>
  56 #include "usbdevs.h"
  57
  58 #include "rt2870_txwi.h"
  59 #include "rt2870_amrr.h"
  60
  61 #define RT2870_SOFTC_LOCK(sc)                                                           mtx_lock(&Giant)
  62 #define RT2870_SOFTC_UNLOCK(sc)                                                         mtx_unlock(&Giant)
  63
  64 #define RT2870_SOFTC_FLAGS_VALID                                                        (1 << 0)
  65 #define RT2870_SOFTC_FLAGS_UCODE_LOADED                                         (1 << 1)
  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_RSSI_DBM_COUNT                                                     3
  82
  83 #define RT2870_SOFTC_STAID_COUNT                                                        64
  84
  85 #define RT2870_SOFTC_TX_RING_COUNT                                                      6
  86
  87 #define RT2870_SOFTC_RX_RING_DATA_COUNT                                         1
  88
  89 #define RT2870_SOFTC_TX_RING_DATA_COUNT                                         256
  90
  91 #define RT2870_SOFTC_CMD_DATA_LEN                                                       256
  92 #define RT2870_SOFTC_CMD_RING_CMD_COUNT                                         64
  93
  94 #define RT2870_SOFTC_RX_RADIOTAP_PRESENT                                        \
  95         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
  96          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
  97          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                              \
  98          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |                               \
  99          (1 << IEEE80211_RADIOTAP_ANTENNA) |                                    \
 100          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                               \
 101          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 102
 103 #define RT2870_SOFTC_TX_RADIOTAP_PRESENT                                        \
 104         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
 105          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
 106          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 107
 108
 109 struct rt2870_softc_rx_data
 110 {
 111         STAILQ_ENTRY(rt2870_softc_rx_data) next;
 112         usbd_xfer_handle xfer;
 113         uint8_t *buf;
 114         uint16_t len;
 115 };
 116
 117 typedef STAILQ_HEAD(, rt2870_softc_rx_data) rt2870_softc_rx_data_queue;
 118
 119 struct rt2870_softc_rx_ring
 120 {
 121         int usb_ep;
 122         usbd_pipe_handle usb_pipe;
 123         struct rt2870_softc_rx_data data[RT2870_SOFTC_RX_RING_DATA_COUNT];
 124         rt2870_softc_rx_data_queue active;
 125         rt2870_softc_rx_data_queue done;
 126 };
 127
 128 struct rt2870_softc_tx_data
 129 {
 130         STAILQ_ENTRY(rt2870_softc_tx_data) next;
 131         struct ieee80211_node *ni;
 132         usbd_xfer_handle xfer;
 133         uint8_t *buf;
 134         struct mbuf *m;
 135 };
 136
 137 typedef STAILQ_HEAD(, rt2870_softc_tx_data) rt2870_softc_tx_data_queue;
 138
 139 struct rt2870_softc_tx_ring
 140 {
 141         int usb_ep;
 142         usbd_pipe_handle usb_pipe;
 143         struct rt2870_softc *sc;
 144         struct rt2870_softc_tx_data data[RT2870_SOFTC_TX_RING_DATA_COUNT];
 145         rt2870_softc_tx_data_queue inactive;
 146         rt2870_softc_tx_data_queue active;
 147         rt2870_softc_tx_data_queue done;
 148         int queued;
 149         int qid;
 150 };
 151
 152 struct rt2870_softc_cmd
 153 {
 154         STAILQ_ENTRY(rt2870_softc_cmd) next;
 155         void (*cb)(struct rt2870_softc *sc, void *arg);
 156         uint8_t data[RT2870_SOFTC_CMD_DATA_LEN];
 157 };
 158
 159 typedef STAILQ_HEAD(, rt2870_softc_cmd) rt2870_softc_cmd_queue;
 160
 161 struct rt2870_softc_cmd_ring
 162 {
 163         struct rt2870_softc_cmd cmd[RT2870_SOFTC_CMD_RING_CMD_COUNT];
 164         rt2870_softc_cmd_queue inactive;
 165         rt2870_softc_cmd_queue active;
 166         int     queued;
 167 };
 168
 169 struct rt2870_softc_node
 170 {
 171         struct ieee80211_node ni;
 172
 173         uint8_t staid;
 174
 175         int8_t last_rssi_dbm[RT2870_SOFTC_RSSI_DBM_COUNT];
 176 };
 177
 178 struct rt2870_softc_rx_radiotap_header
 179 {
 180         struct ieee80211_radiotap_header ihdr;
 181         uint8_t flags;
 182         uint8_t rate;
 183         int8_t dbm_antsignal;
 184         int8_t dbm_antnoise;
 185         uint8_t antenna;
 186         uint8_t antsignal;
 187         uint32_t chan_flags;
 188         uint16_t chan_freq;
 189         uint8_t chan_ieee;
 190         int8_t chan_maxpow;
 191 };
 192
 193 struct rt2870_softc_tx_radiotap_header
 194 {
 195         struct ieee80211_radiotap_header ihdr;
 196         uint8_t flags;
 197         uint8_t rate;
 198         uint32_t chan_flags;
 199         uint16_t chan_freq;
 200         uint8_t chan_ieee;
 201         int8_t chan_maxpow;
 202 };
 203
 204 struct rt2870_softc
 205 {
 206         uint32_t flags;
 207
 208         device_t dev;
 209
 210         int usb_endpoints;
 211         usbd_device_handle usb_dev;
 212         usbd_interface_handle usb_iface;
 213
 214         struct ifnet *ifp;
 215         int if_flags;
 216
 217         struct ieee80211com ic;
 218
 219         struct ieee80211_beacon_offsets beacon_offsets;
 220         struct mbuf *beacon_mbuf;
 221         struct rt2870_txwi beacon_txwi;
 222
 223         struct rt2870_amrr amrr;
 224         struct rt2870_amrr_node amrr_node[RT2870_SOFTC_STAID_COUNT];
 225
 226         int (*newstate)(struct ieee80211com *ic,
 227                 enum ieee80211_state nstate, int arg);
 228
 229         void (*node_cleanup)(struct ieee80211_node *ni);
 230
 231         void (*recv_action)(struct ieee80211_node *ni,
 232                 const uint8_t *frm, const uint8_t *efrm);
 233
 234         int (*send_action)(struct ieee80211_node *ni,
 235                 int category, int action, uint16_t args[4]);
 236
 237         int (*addba_response)(struct ieee80211_node *ni,
 238                 struct ieee80211_tx_ampdu *tap,
 239                 int status, int baparamset, int batimeout);
 240
 241         void (*addba_stop)(struct ieee80211_node *ni,
 242                 struct ieee80211_tx_ampdu *tap);
 243
 244         uint32_t mac_rev;
 245         uint16_t eeprom_rev;
 246         uint8_t rf_rev;
 247
 248         uint8_t mac_addr[IEEE80211_ADDR_LEN];
 249
 250         uint8_t ntxpath;
 251         uint8_t nrxpath;
 252
 253         int hw_radio_cntl;
 254         int tx_agc_cntl;
 255         int ext_lna_2ghz;
 256         int ext_lna_5ghz;
 257
 258         uint8_t country_2ghz;
 259         uint8_t country_5ghz;
 260
 261         uint8_t rf_freq_off;
 262
 263         uint8_t led_cntl;
 264         uint16_t led_off[RT2870_SOFTC_LED_OFF_COUNT];
 265
 266         int8_t rssi_off_2ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 267         int8_t rssi_off_5ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 268
 269         int8_t lna_gain[RT2870_SOFTC_LNA_GAIN_COUNT];
 270
 271         int8_t txpow1[RT2870_SOFTC_TXPOW_COUNT];
 272         int8_t txpow2[RT2870_SOFTC_TXPOW_COUNT];
 273
 274         int8_t txpow_rate_delta_2ghz;
 275         int8_t txpow_rate_delta_5ghz;
 276         uint32_t txpow_rate_20mhz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 277         uint32_t txpow_rate_40mhz_2ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 278         uint32_t txpow_rate_40mhz_5ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 279
 280         int tx_agc_cntl_2ghz;
 281         int tx_agc_cntl_5ghz;
 282
 283         uint8_t tssi_2ghz[RT2870_SOFTC_TSSI_COUNT];
 284         uint8_t tssi_step_2ghz;
 285         uint8_t tssi_5ghz[RT2870_SOFTC_TSSI_COUNT];
 286         uint8_t tssi_step_5ghz;
 287
 288         struct
 289         {
 290                 uint8_t val;
 291                 uint8_t reg;
 292         } __packed bbp_eeprom[RT2870_SOFTC_BBP_EEPROM_COUNT];
 293
 294         int sifs;
 295
 296         uint8_t staid_mask[RT2870_SOFTC_STAID_COUNT / NBBY];
 297
 298         struct task rx_done_task;
 299         int rx_process_limit;
 300
 301         struct task tx_done_task;
 302         uint32_t tx_qid_pending_mask;
 303
 304         struct task periodic_task;
 305         struct callout periodic_ch;
 306         unsigned long periodic_round;
 307
 308         struct task cmd_task;
 309
 310         struct taskqueue *taskqueue;
 311
 312         struct rt2870_softc_rx_ring rx_ring;
 313
 314         struct rt2870_softc_tx_ring tx_ring[RT2870_SOFTC_TX_RING_COUNT];
 315         int tx_ring_mgtqid;
 316
 317         struct callout tx_watchdog_ch;
 318         int tx_timer;
 319
 320         struct rt2870_softc_cmd_ring cmd_ring;
 321
 322         struct bpf_if *drvbpf;
 323
 324         union
 325         {
 326                 struct rt2870_softc_rx_radiotap_header th;
 327                 uint8_t pad[64];
 328         } rxtapu;
 329
 330 #define rxtap   rxtapu.th
 331
 332         int     rxtap_len;
 333
 334         union
 335         {
 336                 struct rt2870_softc_tx_radiotap_header th;
 337                 uint8_t pad[64];
 338         } txtapu;
 339
 340 #define txtap   txtapu.th
 341
 342         int     txtap_len;
 343
 344         /* statistic counters */
 345
 346         unsigned long interrupts;
 347         unsigned long rx_interrupts;
 348         unsigned long tx_interrupts[RT2870_SOFTC_TX_RING_COUNT];
 349
 350         unsigned long tx_data_queue_full[RT2870_SOFTC_TX_RING_COUNT];
 351
 352         unsigned long tx_watchdog_timeouts;
 353
 354         unsigned long rx_mbuf_alloc_errors;
 355
 356         unsigned long tx_queue_not_empty[2];
 357
 358         unsigned long tx_beacons;
 359         unsigned long tx_noretryok;
 360         unsigned long tx_retryok;
 361         unsigned long tx_failed;
 362         unsigned long tx_underflows;
 363         unsigned long tx_zerolen;
 364         unsigned long tx_nonagg;
 365         unsigned long tx_agg;
 366         unsigned long tx_ampdu;
 367         unsigned long tx_mpdu_zero_density;
 368         unsigned long tx_ampdu_sessions;
 369
 370         unsigned long rx_packets;
 371         unsigned long rx_ampdu;
 372         unsigned long rx_mpdu_zero_density;
 373         unsigned long rx_ampdu_sessions;
 374         unsigned long rx_amsdu;
 375         unsigned long rx_crc_errors;
 376         unsigned long rx_phy_errors;
 377         unsigned long rx_false_ccas;
 378         unsigned long rx_plcp_errors;
 379         unsigned long rx_dup_packets;
 380         unsigned long rx_fifo_overflows;
 381         unsigned long rx_cipher_no_errors;
 382         unsigned long rx_cipher_icv_errors;
 383         unsigned long rx_cipher_mic_errors;
 384         unsigned long rx_cipher_invalid_key_errors;
 385
 386 #ifdef RT2870_DEBUG
 387         int debug;
 388 #endif
 389 };
 390
 391 #endif /* #ifndef _RT2870_SOFTC_H_ */