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_RSSI_DBM_COUNT                                                     3
  84
  85 #define RT2870_SOFTC_TX_RING_COUNT                                                      6
  86
  87 #define RT2870_SOFTC_RX_RING_DATA_COUNT                                         128
  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 struct rt2870_softc;
 109
 110 struct rt2870_softc_rx_data
 111 {
 112         STAILQ_ENTRY(rt2870_softc_rx_data) next;
 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         struct rt2870_softc_rx_data data[RT2870_SOFTC_RX_RING_DATA_COUNT];
 122         rt2870_softc_rx_data_queue inactive;
 123         rt2870_softc_rx_data_queue active;
 124         rt2870_softc_rx_data_queue done;
 125 };
 126
 127 struct rt2870_softc_tx_data
 128 {
 129         STAILQ_ENTRY(rt2870_softc_tx_data) next;
 130         struct ieee80211_node *ni;
 131         uint8_t *buf;
 132         uint16_t len;
 133         struct mbuf *m;
 134 };
 135
 136 typedef STAILQ_HEAD(, rt2870_softc_tx_data) rt2870_softc_tx_data_queue;
 137
 138 struct rt2870_softc_tx_ring
 139 {
 140         struct rt2870_softc_tx_data data[RT2870_SOFTC_TX_RING_DATA_COUNT];
 141         rt2870_softc_tx_data_queue inactive;
 142         rt2870_softc_tx_data_queue pending;
 143         rt2870_softc_tx_data_queue active;
 144         rt2870_softc_tx_data_queue done;
 145         int queued;
 146         int qid;
 147 };
 148
 149 struct rt2870_softc_cmd
 150 {
 151         STAILQ_ENTRY(rt2870_softc_cmd) next;
 152         void (*cb)(struct rt2870_softc *sc, void *arg);
 153         uint8_t data[RT2870_SOFTC_CMD_DATA_LEN];
 154 };
 155
 156 typedef STAILQ_HEAD(, rt2870_softc_cmd) rt2870_softc_cmd_queue;
 157
 158 struct rt2870_softc_cmd_ring
 159 {
 160         struct rt2870_softc_cmd cmd[RT2870_SOFTC_CMD_RING_CMD_COUNT];
 161         rt2870_softc_cmd_queue inactive;
 162         rt2870_softc_cmd_queue active;
 163         int     queued;
 164 };
 165
 166 struct rt2870_softc_node
 167 {
 168         struct ieee80211_node ni;
 169
 170         int8_t last_rssi_dbm[RT2870_SOFTC_RSSI_DBM_COUNT];
 171 };
 172
 173 struct rt2870_softc_vap
 174 {
 175         struct ieee80211vap     vap;
 176         struct ieee80211_beacon_offsets beacon_offsets;
 177         struct rt2870_amrr amrr;
 178
 179         int     (*newstate)(struct ieee80211vap *vap,
 180                 enum ieee80211_state nstate, int arg);
 181 };
 182
 183 struct rt2870_softc_rx_radiotap_header
 184 {
 185         struct ieee80211_radiotap_header ihdr;
 186         uint8_t flags;
 187         uint8_t rate;
 188         int8_t dbm_antsignal;
 189         int8_t dbm_antnoise;
 190         uint8_t antenna;
 191         uint8_t antsignal;
 192         uint8_t pad[2];
 193         uint32_t chan_flags;
 194         uint16_t chan_freq;
 195         uint8_t chan_ieee;
 196         int8_t chan_maxpow;
 197 } __packed;
 198
 199 struct rt2870_softc_tx_radiotap_header
 200 {
 201         struct ieee80211_radiotap_header ihdr;
 202         uint8_t flags;
 203         uint8_t rate;
 204         uint8_t pad[2];
 205         uint32_t chan_flags;
 206         uint16_t chan_freq;
 207         uint8_t chan_ieee;
 208         int8_t chan_maxpow;
 209 } __packed;
 210
 211 struct rt2870_softc
 212 {
 213         struct mtx lock;
 214
 215         uint32_t flags;
 216
 217         device_t dev;
 218
 219         int usb_endpoints;
 220         struct usb_device *usb_dev;
 221         struct usb_xfer *usb_xfer[1 + RT2870_SOFTC_TX_RING_COUNT];
 222
 223         struct ifnet *ifp;
 224         int if_flags;
 225
 226         int tx_ampdu_sessions;
 227
 228         int (*recv_action)(struct ieee80211_node *ni,
 229                 const struct ieee80211_frame *wh,
 230                 const uint8_t *frm, const uint8_t *efrm);
 231
 232         int (*send_action)(struct ieee80211_node *ni,
 233                 int cat, int act, void *sa);
 234
 235         struct rt2870_amrr_node amrr_node[RT2870_SOFTC_AMRR_NODE_COUNT];
 236
 237         uint32_t mac_rev;
 238         uint16_t eeprom_rev;
 239         uint8_t rf_rev;
 240
 241         uint8_t mac_addr[IEEE80211_ADDR_LEN];
 242
 243         uint8_t ntxpath;
 244         uint8_t nrxpath;
 245
 246         int hw_radio_cntl;
 247         int tx_agc_cntl;
 248         int ext_lna_2ghz;
 249         int ext_lna_5ghz;
 250
 251         uint8_t country_2ghz;
 252         uint8_t country_5ghz;
 253
 254         uint8_t rf_freq_off;
 255
 256         uint8_t led_cntl;
 257         uint16_t led_off[RT2870_SOFTC_LED_OFF_COUNT];
 258
 259         int8_t rssi_off_2ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 260         int8_t rssi_off_5ghz[RT2870_SOFTC_RSSI_OFF_COUNT];
 261
 262         int8_t lna_gain[RT2870_SOFTC_LNA_GAIN_COUNT];
 263
 264         int8_t txpow1[RT2870_SOFTC_TXPOW_COUNT];
 265         int8_t txpow2[RT2870_SOFTC_TXPOW_COUNT];
 266
 267         int8_t txpow_rate_delta_2ghz;
 268         int8_t txpow_rate_delta_5ghz;
 269         uint32_t txpow_rate_20mhz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 270         uint32_t txpow_rate_40mhz_2ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 271         uint32_t txpow_rate_40mhz_5ghz[RT2870_SOFTC_TXPOW_RATE_COUNT];
 272
 273         int tx_agc_cntl_2ghz;
 274         int tx_agc_cntl_5ghz;
 275
 276         uint8_t tssi_2ghz[RT2870_SOFTC_TSSI_COUNT];
 277         uint8_t tssi_step_2ghz;
 278         uint8_t tssi_5ghz[RT2870_SOFTC_TSSI_COUNT];
 279         uint8_t tssi_step_5ghz;
 280
 281         struct
 282         {
 283                 uint8_t val;
 284                 uint8_t reg;
 285         } __packed bbp_eeprom[RT2870_SOFTC_BBP_EEPROM_COUNT];
 286
 287         struct task rx_done_task;
 288         int rx_process_limit;
 289
 290         struct task tx_done_task;
 291         uint32_t tx_qid_pending_mask;
 292
 293         struct task periodic_task;
 294         struct callout periodic_ch;
 295         unsigned long periodic_round;
 296
 297         struct task cmd_task;
 298
 299         struct taskqueue *taskqueue;
 300
 301         struct rt2870_softc_rx_ring rx_ring;
 302
 303         struct rt2870_softc_tx_ring tx_ring[RT2870_SOFTC_TX_RING_COUNT];
 304         int tx_ring_mgtqid;
 305
 306         struct callout tx_watchdog_ch;
 307         int tx_timer;
 308
 309         struct rt2870_softc_cmd_ring cmd_ring;
 310
 311         struct rt2870_softc_rx_radiotap_header rxtap;
 312         struct rt2870_softc_tx_radiotap_header txtap;
 313
 314         /* statistic counters */
 315
 316         unsigned long interrupts;
 317         unsigned long rx_interrupts;
 318         unsigned long tx_interrupts[RT2870_SOFTC_TX_RING_COUNT];
 319
 320         unsigned long tx_data_queue_full[RT2870_SOFTC_TX_RING_COUNT];
 321
 322         unsigned long tx_watchdog_timeouts;
 323
 324         unsigned long rx_mbuf_alloc_errors;
 325
 326         unsigned long tx_queue_not_empty[2];
 327
 328         unsigned long tx_beacons;
 329         unsigned long tx_noretryok;
 330         unsigned long tx_retryok;
 331         unsigned long tx_failed;
 332         unsigned long tx_underflows;
 333         unsigned long tx_zerolen;
 334         unsigned long tx_nonagg;
 335         unsigned long tx_agg;
 336         unsigned long tx_ampdu;
 337         unsigned long tx_mpdu_zero_density;
 338
 339         unsigned long rx_packets;
 340         unsigned long rx_ampdu;
 341         unsigned long rx_mpdu_zero_density;
 342         unsigned long rx_amsdu;
 343         unsigned long rx_crc_errors;
 344         unsigned long rx_phy_errors;
 345         unsigned long rx_false_ccas;
 346         unsigned long rx_plcp_errors;
 347         unsigned long rx_dup_packets;
 348         unsigned long rx_fifo_overflows;
 349
 350 #ifdef RT2870_DEBUG
 351         int debug;
 352 #endif
 353 };
 354
 355 #endif /* #ifndef _RT2870_SOFTC_H_ */