rt2860_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 _RT2860_SOFTC_H_
  20 #define _RT2860_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/module.h>
  32 #include <sys/bus.h>
  33 #include <sys/endian.h>
  34
  35 #include <machine/bus.h>
  36 #include <machine/resource.h>
  37 #include <sys/rman.h>
  38
  39 #include <net/bpf.h>
  40 #include <net/if.h>
  41 #include <net/if_arp.h>
  42 #include <net/ethernet.h>
  43 #include <net/if_dl.h>
  44 #include <net/if_media.h>
  45 #include <net/if_types.h>
  46
  47 #include <net80211/ieee80211_var.h>
  48 #include <net80211/ieee80211_input.h>
  49 #include <net80211/ieee80211_radiotap.h>
  50 #include <net80211/ieee80211_regdomain.h>
  51
  52 #include <dev/pci/pcireg.h>
  53 #include <dev/pci/pcivar.h>
  54
  55 #include "rt2860_rxdesc.h"
  56 #include "rt2860_txdesc.h"
  57 #include "rt2860_amrr.h"
  58
  59 #define RT2860_SOFTC_LOCK(sc)                                                           mtx_lock(&(sc)->lock)
  60 #define RT2860_SOFTC_UNLOCK(sc)                                                         mtx_unlock(&(sc)->lock)
  61 #define RT2860_SOFTC_ASSERT_LOCKED(sc)                                          mtx_assert(&(sc)->lock, MA_OWNED)
  62
  63 #define RT2860_SOFTC_FLAGS_UCODE_LOADED                                         (1 << 0)
  64
  65 #define RT2860_SOFTC_LED_OFF_COUNT                                                      3
  66
  67 #define RT2860_SOFTC_RSSI_OFF_COUNT                                                     3
  68
  69 #define RT2860_SOFTC_LNA_GAIN_COUNT                                                     4
  70
  71 #define RT2860_SOFTC_TXPOW_COUNT                                                        50
  72
  73 #define RT2860_SOFTC_TXPOW_RATE_COUNT                                           5
  74
  75 #define RT2860_SOFTC_TSSI_COUNT                                                         9
  76
  77 #define RT2860_SOFTC_BBP_EEPROM_COUNT                                           8
  78
  79 #define RT2860_SOFTC_AMRR_NODE_COUNT                                            256
  80
  81 #define RT2860_SOFTC_RSSI_DBM_COUNT                                                     3
  82
  83 #define RT2860_SOFTC_TX_RING_COUNT                                                      6
  84
  85 #define RT2860_SOFTC_RX_RING_DATA_COUNT                                         128
  86
  87 #define RT2860_SOFTC_MAX_SCATTER                                                        10
  88
  89 #define RT2860_SOFTC_TX_RING_DATA_COUNT                                         256
  90 #define RT2860_SOFTC_TX_RING_DESC_COUNT                                         \
  91         (RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_SOFTC_MAX_SCATTER)
  92
  93 #define RT2860_SOFTC_RX_RADIOTAP_PRESENT                                        \
  94         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
  95          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
  96          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |                              \
  97          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |                               \
  98          (1 << IEEE80211_RADIOTAP_ANTENNA) |                                    \
  99          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                               \
 100          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 101
 102 #define RT2860_SOFTC_TX_RADIOTAP_PRESENT                                        \
 103         ((1 << IEEE80211_RADIOTAP_FLAGS) |                                              \
 104          (1 << IEEE80211_RADIOTAP_RATE) |                                               \
 105          (1 << IEEE80211_RADIOTAP_XCHANNEL))
 106
 107 struct rt2860_softc_rx_data
 108 {
 109         bus_dmamap_t dma_map;
 110         struct mbuf *m;
 111 };
 112
 113 struct rt2860_softc_rx_ring
 114 {
 115         bus_dma_tag_t desc_dma_tag;
 116         bus_dmamap_t desc_dma_map;
 117         bus_addr_t desc_phys_addr;
 118         struct rt2860_rxdesc *desc;
 119         bus_dma_tag_t data_dma_tag;
 120         bus_dmamap_t spare_dma_map;
 121         struct rt2860_softc_rx_data data[RT2860_SOFTC_RX_RING_DATA_COUNT];
 122         int cur;
 123 };
 124
 125 struct rt2860_softc_tx_data
 126 {
 127         bus_dmamap_t dma_map;
 128         struct ieee80211_node *ni;
 129         struct mbuf *m;
 130 };
 131
 132 struct rt2860_softc_tx_ring
 133 {
 134         bus_dma_tag_t desc_dma_tag;
 135         bus_dmamap_t desc_dma_map;
 136         bus_addr_t desc_phys_addr;
 137         struct rt2860_txdesc *desc;
 138         int desc_queued;
 139         int desc_cur;
 140         int desc_next;
 141         bus_dma_tag_t seg0_dma_tag;
 142         bus_dmamap_t seg0_dma_map;
 143         bus_addr_t seg0_phys_addr;
 144         uint8_t *seg0;
 145         bus_dma_tag_t data_dma_tag;
 146         struct rt2860_softc_tx_data data[RT2860_SOFTC_TX_RING_DATA_COUNT];
 147         int data_queued;
 148         int data_cur;
 149         int data_next;
 150         int qid;
 151 };
 152
 153 struct rt2860_softc_node
 154 {
 155         struct ieee80211_node ni;
 156
 157         int8_t last_rssi_dbm[RT2860_SOFTC_RSSI_DBM_COUNT];
 158 };
 159
 160 struct rt2860_softc_rx_radiotap_header
 161 {
 162         struct ieee80211_radiotap_header ihdr;
 163         uint8_t flags;
 164         uint8_t rate;
 165         int8_t dbm_antsignal;
 166         int8_t dbm_antnoise;
 167         uint8_t antenna;
 168         uint8_t antsignal;
 169         uint32_t chan_flags;
 170         uint16_t chan_freq;
 171         uint8_t chan_ieee;
 172         int8_t chan_maxpow;
 173 };
 174
 175 struct rt2860_softc_tx_radiotap_header
 176 {
 177         struct ieee80211_radiotap_header ihdr;
 178         uint8_t flags;
 179         uint8_t rate;
 180         uint32_t chan_flags;
 181         uint16_t chan_freq;
 182         uint8_t chan_ieee;
 183         int8_t chan_maxpow;
 184 };
 185
 186 struct rt2860_softc
 187 {
 188         struct mtx lock;
 189
 190         uint32_t flags;
 191
 192         device_t dev;
 193
 194         int     mem_rid;
 195         struct resource *mem;
 196
 197         int     irq_rid;
 198         struct resource *irq;
 199         void *irqh;
 200
 201         bus_space_tag_t bst;
 202         bus_space_handle_t bsh;
 203
 204         struct ifnet *ifp;
 205         int if_flags;
 206
 207         struct ieee80211com ic;
 208
 209         struct ieee80211_beacon_offsets beacon_offsets;
 210
 211         struct rt2860_amrr amrr;
 212         struct rt2860_amrr_node amrr_node[RT2860_SOFTC_AMRR_NODE_COUNT];
 213
 214         int (*newstate)(struct ieee80211com *ic,
 215                 enum ieee80211_state nstate, int arg);
 216
 217         int tx_ampdu_sessions;
 218
 219         void (*recv_action)(struct ieee80211_node *ni,
 220                 const uint8_t *frm, const uint8_t *efrm);
 221
 222         int (*send_action)(struct ieee80211_node *ni,
 223                 int category, int action, uint16_t args[4]);
 224
 225         uint32_t mac_rev;
 226         uint8_t eeprom_addr_num;
 227         uint16_t eeprom_rev;
 228         uint8_t rf_rev;
 229
 230         uint8_t mac_addr[IEEE80211_ADDR_LEN];
 231
 232         uint8_t ntxpath;
 233         uint8_t nrxpath;
 234
 235         int hw_radio_cntl;
 236         int tx_agc_cntl;
 237         int ext_lna_2ghz;
 238         int ext_lna_5ghz;
 239
 240         uint8_t country_2ghz;
 241         uint8_t country_5ghz;
 242
 243         uint8_t rf_freq_off;
 244
 245         uint8_t led_cntl;
 246         uint16_t led_off[RT2860_SOFTC_LED_OFF_COUNT];
 247
 248         int8_t rssi_off_2ghz[RT2860_SOFTC_RSSI_OFF_COUNT];
 249         int8_t rssi_off_5ghz[RT2860_SOFTC_RSSI_OFF_COUNT];
 250
 251         int8_t lna_gain[RT2860_SOFTC_LNA_GAIN_COUNT];
 252
 253         int8_t txpow1[RT2860_SOFTC_TXPOW_COUNT];
 254         int8_t txpow2[RT2860_SOFTC_TXPOW_COUNT];
 255
 256         int8_t txpow_rate_delta_2ghz;
 257         int8_t txpow_rate_delta_5ghz;
 258         uint32_t txpow_rate_20mhz[RT2860_SOFTC_TXPOW_RATE_COUNT];
 259         uint32_t txpow_rate_40mhz_2ghz[RT2860_SOFTC_TXPOW_RATE_COUNT];
 260         uint32_t txpow_rate_40mhz_5ghz[RT2860_SOFTC_TXPOW_RATE_COUNT];
 261
 262         int tx_agc_cntl_2ghz;
 263         int tx_agc_cntl_5ghz;
 264
 265         uint8_t tssi_2ghz[RT2860_SOFTC_TSSI_COUNT];
 266         uint8_t tssi_step_2ghz;
 267         uint8_t tssi_5ghz[RT2860_SOFTC_TSSI_COUNT];
 268         uint8_t tssi_step_5ghz;
 269
 270         struct
 271         {
 272                 uint8_t val;
 273                 uint8_t reg;
 274         } __packed bbp_eeprom[RT2860_SOFTC_BBP_EEPROM_COUNT];
 275
 276         uint16_t powersave_level;
 277
 278         int sifs;
 279
 280         uint32_t intr_enable_mask;
 281         uint32_t intr_disable_mask;
 282         uint32_t intr_pending_mask;
 283
 284         struct task rx_done_task;
 285         int rx_process_limit;
 286
 287         struct task tx_done_task;
 288
 289         struct task fifo_sta_full_task;
 290
 291         struct task periodic_task;
 292         struct callout periodic_ch;
 293         unsigned long periodic_round;
 294
 295         struct taskqueue *taskqueue;
 296
 297         struct rt2860_softc_rx_ring rx_ring;
 298
 299         struct rt2860_softc_tx_ring tx_ring[RT2860_SOFTC_TX_RING_COUNT];
 300         int tx_ring_mgtqid;
 301
 302         struct callout tx_watchdog_ch;
 303         int tx_timer;
 304
 305         struct bpf_if *drvbpf;
 306
 307         union
 308         {
 309                 struct rt2860_softc_rx_radiotap_header th;
 310                 uint8_t pad[64];
 311         } rxtapu;
 312
 313 #define rxtap   rxtapu.th
 314
 315         int     rxtap_len;
 316
 317         union
 318         {
 319                 struct rt2860_softc_tx_radiotap_header th;
 320                 uint8_t pad[64];
 321         } txtapu;
 322
 323 #define txtap   txtapu.th
 324
 325         int     txtap_len;
 326
 327         /* statistic counters */
 328
 329         unsigned long interrupts;
 330         unsigned long tx_coherent_interrupts;
 331         unsigned long rx_coherent_interrupts;
 332         unsigned long txrx_coherent_interrupts;
 333         unsigned long fifo_sta_full_interrupts;
 334         unsigned long rx_interrupts;
 335         unsigned long rx_delay_interrupts;
 336         unsigned long tx_interrupts[RT2860_SOFTC_TX_RING_COUNT];
 337         unsigned long tx_delay_interrupts;
 338         unsigned long pre_tbtt_interrupts;
 339         unsigned long tbtt_interrupts;
 340         unsigned long mcu_cmd_interrupts;
 341         unsigned long auto_wakeup_interrupts;
 342         unsigned long gp_timer_interrupts;
 343
 344         unsigned long tx_data_queue_full[RT2860_SOFTC_TX_RING_COUNT];
 345
 346         unsigned long tx_watchdog_timeouts;
 347
 348         unsigned long tx_defrag_packets;
 349
 350         unsigned long no_tx_desc_avail;
 351
 352         unsigned long rx_mbuf_alloc_errors;
 353         unsigned long rx_mbuf_dmamap_errors;
 354
 355         unsigned long tx_queue_not_empty[2];
 356
 357         unsigned long tx_beacons;
 358         unsigned long tx_noretryok;
 359         unsigned long tx_retryok;
 360         unsigned long tx_failed;
 361         unsigned long tx_underflows;
 362         unsigned long tx_zerolen;
 363         unsigned long tx_nonagg;
 364         unsigned long tx_agg;
 365         unsigned long tx_ampdu;
 366         unsigned long tx_mpdu_zero_density;
 367
 368         unsigned long rx_packets;
 369         unsigned long rx_ampdu;
 370         unsigned long rx_mpdu_zero_density;
 371         unsigned long rx_amsdu;
 372         unsigned long rx_crc_errors;
 373         unsigned long rx_phy_errors;
 374         unsigned long rx_false_ccas;
 375         unsigned long rx_plcp_errors;
 376         unsigned long rx_dup_packets;
 377         unsigned long rx_fifo_overflows;
 378
 379 #ifdef RT2860_DEBUG
 380         int debug;
 381 #endif
 382 };
 383
 384 #endif /* #ifndef _RT2860_SOFTC_H_ */