1 /* 2 * Copyright (c) 2010 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef _BRCM_PUB_H_ 18 #define _BRCM_PUB_H_ 19 20 #include <linux/bcma/bcma.h> 21 #include <brcmu_wifi.h> 22 #include "types.h" 23 #include "defs.h" 24 25 #define BRCMS_NUMRATES 16 /* max # of rates in a rateset */ 26 27 /* phy types */ 28 #define PHY_TYPE_A 0 /* Phy type A */ 29 #define PHY_TYPE_G 2 /* Phy type G */ 30 #define PHY_TYPE_N 4 /* Phy type N */ 31 #define PHY_TYPE_LP 5 /* Phy type Low Power A/B/G */ 32 #define PHY_TYPE_SSN 6 /* Phy type Single Stream N */ 33 #define PHY_TYPE_LCN 8 /* Phy type Single Stream N */ 34 #define PHY_TYPE_LCNXN 9 /* Phy type 2-stream N */ 35 #define PHY_TYPE_HT 7 /* Phy type 3-Stream N */ 36 37 /* bw */ 38 #define BRCMS_10_MHZ 10 /* 10Mhz nphy channel bandwidth */ 39 #define BRCMS_20_MHZ 20 /* 20Mhz nphy channel bandwidth */ 40 #define BRCMS_40_MHZ 40 /* 40Mhz nphy channel bandwidth */ 41 42 #define BRCMS_RSSI_MINVAL -200 /* Low value, e.g. for forcing roam */ 43 #define BRCMS_RSSI_NO_SIGNAL -91 /* NDIS RSSI link quality cutoffs */ 44 #define BRCMS_RSSI_VERY_LOW -80 /* Very low quality cutoffs */ 45 #define BRCMS_RSSI_LOW -70 /* Low quality cutoffs */ 46 #define BRCMS_RSSI_GOOD -68 /* Good quality cutoffs */ 47 #define BRCMS_RSSI_VERY_GOOD -58 /* Very good quality cutoffs */ 48 #define BRCMS_RSSI_EXCELLENT -57 /* Excellent quality cutoffs */ 49 50 /* a large TX Power as an init value to factor out of min() calculations, 51 * keep low enough to fit in an s8, units are .25 dBm 52 */ 53 #define BRCMS_TXPWR_MAX (127) /* ~32 dBm = 1,500 mW */ 54 55 /* rate related definitions */ 56 #define BRCMS_RATE_FLAG 0x80 /* Flag to indicate it is a basic rate */ 57 #define BRCMS_RATE_MASK 0x7f /* Rate value mask w/o basic rate flag */ 58 59 /* legacy rx Antenna diversity for SISO rates */ 60 #define ANT_RX_DIV_FORCE_0 0 /* Use antenna 0 */ 61 #define ANT_RX_DIV_FORCE_1 1 /* Use antenna 1 */ 62 #define ANT_RX_DIV_START_1 2 /* Choose starting with 1 */ 63 #define ANT_RX_DIV_START_0 3 /* Choose starting with 0 */ 64 #define ANT_RX_DIV_ENABLE 3 /* APHY bbConfig Enable RX Diversity */ 65 /* default antdiv setting */ 66 #define ANT_RX_DIV_DEF ANT_RX_DIV_START_0 67 68 /* legacy rx Antenna diversity for SISO rates */ 69 /* Tx on antenna 0, "legacy term Main" */ 70 #define ANT_TX_FORCE_0 0 71 /* Tx on antenna 1, "legacy term Aux" */ 72 #define ANT_TX_FORCE_1 1 73 /* Tx on phy's last good Rx antenna */ 74 #define ANT_TX_LAST_RX 3 75 /* driver's default tx antenna setting */ 76 #define ANT_TX_DEF 3 77 78 /* Tx Chain values */ 79 /* def bitmap of txchain */ 80 #define TXCHAIN_DEF 0x1 81 /* default bitmap of tx chains for nphy */ 82 #define TXCHAIN_DEF_NPHY 0x3 83 /* default bitmap of tx chains for nphy */ 84 #define TXCHAIN_DEF_HTPHY 0x7 85 /* def bitmap of rxchain */ 86 #define RXCHAIN_DEF 0x1 87 /* default bitmap of rx chains for nphy */ 88 #define RXCHAIN_DEF_NPHY 0x3 89 /* default bitmap of rx chains for nphy */ 90 #define RXCHAIN_DEF_HTPHY 0x7 91 /* no antenna switch */ 92 #define ANTSWITCH_NONE 0 93 /* antenna switch on 4321CB2, 2of3 */ 94 #define ANTSWITCH_TYPE_1 1 95 /* antenna switch on 4321MPCI, 2of3 */ 96 #define ANTSWITCH_TYPE_2 2 97 /* antenna switch on 4322, 2of3 */ 98 #define ANTSWITCH_TYPE_3 3 99 100 #define RXBUFSZ PKTBUFSZ 101 102 #define MAX_STREAMS_SUPPORTED 4 /* max number of streams supported */ 103 104 struct brcm_rateset { 105 /* # rates in this set */ 106 u32 count; 107 /* rates in 500kbps units w/hi bit set if basic */ 108 u8 rates[WL_NUMRATES]; 109 }; 110 111 struct brcms_c_rateset { 112 uint count; /* number of rates in rates[] */ 113 /* rates in 500kbps units w/hi bit set if basic */ 114 u8 rates[BRCMS_NUMRATES]; 115 u8 htphy_membership; /* HT PHY Membership */ 116 u8 mcs[MCSSET_LEN]; /* supported mcs index bit map */ 117 }; 118 119 /* All the HT-specific default advertised capabilities (including AMPDU) 120 * should be grouped here at one place 121 */ 122 #define AMPDU_DEF_MPDU_DENSITY 6 /* default mpdu density (110 ==> 4us) */ 123 124 /* wlc internal bss_info */ 125 struct brcms_bss_info { 126 u8 BSSID[ETH_ALEN]; /* network BSSID */ 127 u16 flags; /* flags for internal attributes */ 128 u8 SSID_len; /* the length of SSID */ 129 u8 SSID[32]; /* SSID string */ 130 s16 RSSI; /* receive signal strength (in dBm) */ 131 s16 SNR; /* receive signal SNR in dB */ 132 u16 beacon_period; /* units are Kusec */ 133 u16 chanspec; /* Channel num, bw, ctrl_sb and band */ 134 struct brcms_c_rateset rateset; /* supported rates */ 135 }; 136 137 #define MAC80211_PROMISC_BCNS (1 << 0) 138 #define MAC80211_SCAN (1 << 1) 139 140 /* 141 * Public portion of common driver state structure. 142 * The wlc handle points at this. 143 */ 144 struct brcms_pub { 145 struct brcms_c_info *wlc; 146 struct ieee80211_hw *ieee_hw; 147 struct scb_ampdu *global_ampdu; 148 uint mac80211_state; 149 uint unit; /* device instance number */ 150 uint corerev; /* core revision */ 151 struct si_pub *sih; /* SI handle (cookie for siutils calls) */ 152 bool up; /* interface up and running */ 153 bool hw_off; /* HW is off */ 154 bool hw_up; /* one time hw up/down */ 155 bool _piomode; /* true if pio mode */ 156 uint _nbands; /* # bands supported */ 157 uint now; /* # elapsed seconds */ 158 159 bool delayed_down; /* down delayed */ 160 bool associated; /* true:part of [I]BSS, false: not */ 161 /* (union of stas_associated, aps_associated) */ 162 bool _ampdu; /* ampdu enabled or not */ 163 u8 _n_enab; /* bitmap of 11N + HT support */ 164 165 u8 cur_etheraddr[ETH_ALEN]; /* our local ethernet address */ 166 167 u32 radio_disabled; /* bit vector for radio disabled reasons */ 168 169 u16 boardrev; /* version # of particular board */ 170 u8 sromrev; /* version # of the srom */ 171 char srom_ccode[BRCM_CNTRY_BUF_SZ]; /* Country Code in SROM */ 172 u32 boardflags; /* Board specific flags from srom */ 173 u32 boardflags2; /* More board flags if sromrev >= 4 */ 174 bool phy_11ncapable; /* the PHY/HW is capable of 802.11N */ 175 176 struct wl_cnt *_cnt; /* low-level counters in driver */ 177 struct dentry *dbgfs_dir; 178 }; 179 180 enum wlc_par_id { 181 IOV_MPC = 1, 182 IOV_RTSTHRESH, 183 IOV_QTXPOWER, 184 IOV_BCN_LI_BCN /* Beacon listen interval in # of beacons */ 185 }; 186 187 /*********************************************** 188 * Feature-related macros to optimize out code * 189 * ********************************************* 190 */ 191 192 #define ENAB_1x1 0x01 193 #define ENAB_2x2 0x02 194 #define ENAB_3x3 0x04 195 #define ENAB_4x4 0x08 196 #define SUPPORT_11N (ENAB_1x1|ENAB_2x2) 197 #define SUPPORT_HT (ENAB_1x1|ENAB_2x2|ENAB_3x3) 198 199 /* WL11N Support */ 200 #define AMPDU_AGG_HOST 1 201 202 /* network protection config */ 203 #define BRCMS_PROT_G_SPEC 1 /* SPEC g protection */ 204 #define BRCMS_PROT_G_OVR 2 /* SPEC g prot override */ 205 #define BRCMS_PROT_G_USER 3 /* gmode specified by user */ 206 #define BRCMS_PROT_OVERLAP 4 /* overlap */ 207 #define BRCMS_PROT_N_USER 10 /* nmode specified by user */ 208 #define BRCMS_PROT_N_CFG 11 /* n protection */ 209 #define BRCMS_PROT_N_CFG_OVR 12 /* n protection override */ 210 #define BRCMS_PROT_N_NONGF 13 /* non-GF protection */ 211 #define BRCMS_PROT_N_NONGF_OVR 14 /* non-GF protection override */ 212 #define BRCMS_PROT_N_PAM_OVR 15 /* n preamble override */ 213 #define BRCMS_PROT_N_OBSS 16 /* non-HT OBSS present */ 214 215 /* 216 * 54g modes (basic bits may still be overridden) 217 * 218 * GMODE_LEGACY_B 219 * Rateset: 1b, 2b, 5.5, 11 220 * Preamble: Long 221 * Shortslot: Off 222 * GMODE_AUTO 223 * Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54 224 * Extended Rateset: 6, 9, 12, 48 225 * Preamble: Long 226 * Shortslot: Auto 227 * GMODE_ONLY 228 * Rateset: 1b, 2b, 5.5b, 11b, 18, 24b, 36, 54 229 * Extended Rateset: 6b, 9, 12b, 48 230 * Preamble: Short required 231 * Shortslot: Auto 232 * GMODE_B_DEFERRED 233 * Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54 234 * Extended Rateset: 6, 9, 12, 48 235 * Preamble: Long 236 * Shortslot: On 237 * GMODE_PERFORMANCE 238 * Rateset: 1b, 2b, 5.5b, 6b, 9, 11b, 12b, 18, 24b, 36, 48, 54 239 * Preamble: Short required 240 * Shortslot: On and required 241 * GMODE_LRS 242 * Rateset: 1b, 2b, 5.5b, 11b 243 * Extended Rateset: 6, 9, 12, 18, 24, 36, 48, 54 244 * Preamble: Long 245 * Shortslot: Auto 246 */ 247 #define GMODE_LEGACY_B 0 248 #define GMODE_AUTO 1 249 #define GMODE_ONLY 2 250 #define GMODE_B_DEFERRED 3 251 #define GMODE_PERFORMANCE 4 252 #define GMODE_LRS 5 253 #define GMODE_MAX 6 254 255 /* MCS values greater than this enable multiple streams */ 256 #define HIGHEST_SINGLE_STREAM_MCS 7 257 258 #define MAXBANDS 2 /* Maximum #of bands */ 259 260 /* max number of antenna configurations */ 261 #define ANT_SELCFG_MAX 4 262 263 struct brcms_antselcfg { 264 u8 ant_config[ANT_SELCFG_MAX]; /* antenna configuration */ 265 u8 num_antcfg; /* number of available antenna configurations */ 266 }; 267 268 /* common functions for every port */ 269 struct brcms_c_info *brcms_c_attach(struct brcms_info *wl, 270 struct bcma_device *core, uint unit, 271 bool piomode, uint *perr); 272 uint brcms_c_detach(struct brcms_c_info *wlc); 273 int brcms_c_up(struct brcms_c_info *wlc); 274 uint brcms_c_down(struct brcms_c_info *wlc); 275 276 bool brcms_c_chipmatch(struct bcma_device *core); 277 void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx); 278 void brcms_c_reset(struct brcms_c_info *wlc); 279 280 void brcms_c_intrson(struct brcms_c_info *wlc); 281 u32 brcms_c_intrsoff(struct brcms_c_info *wlc); 282 void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask); 283 bool brcms_c_intrsupd(struct brcms_c_info *wlc); 284 bool brcms_c_isr(struct brcms_c_info *wlc); 285 bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded); 286 bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu, 287 struct ieee80211_hw *hw); 288 bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid); 289 void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val); 290 int brcms_c_get_header_len(void); 291 void brcms_c_set_addrmatch(struct brcms_c_info *wlc, int match_reg_offset, 292 const u8 *addr); 293 void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, 294 const struct ieee80211_tx_queue_params *arg, 295 bool suspend); 296 struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc); 297 void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta, 298 u16 tid); 299 void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid, 300 uint max_rx_ampdu_bytes); 301 int brcms_c_module_register(struct brcms_pub *pub, const char *name, 302 struct brcms_info *hdl, 303 int (*down_fn)(void *handle)); 304 int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, 305 struct brcms_info *hdl); 306 void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc); 307 void brcms_c_enable_mac(struct brcms_c_info *wlc); 308 void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state); 309 void brcms_c_scan_start(struct brcms_c_info *wlc); 310 void brcms_c_scan_stop(struct brcms_c_info *wlc); 311 int brcms_c_get_curband(struct brcms_c_info *wlc); 312 int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel); 313 int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl); 314 void brcms_c_get_current_rateset(struct brcms_c_info *wlc, 315 struct brcm_rateset *currs); 316 int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs); 317 int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period); 318 u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx); 319 void brcms_c_set_shortslot_override(struct brcms_c_info *wlc, 320 s8 sslot_override); 321 void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval); 322 u64 brcms_c_tsf_get(struct brcms_c_info *wlc); 323 void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf); 324 int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr); 325 int brcms_c_get_tx_power(struct brcms_c_info *wlc); 326 bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc); 327 void brcms_c_mute(struct brcms_c_info *wlc, bool on); 328 bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc); 329 void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr); 330 void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid, 331 u8 *ssid, size_t ssid_len); 332 void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr); 333 void brcms_c_update_beacon(struct brcms_c_info *wlc); 334 void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon, 335 u16 tim_offset, u16 dtim_period); 336 void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc, 337 struct sk_buff *probe_resp); 338 void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable); 339 void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len); 340 341 #endif /* _BRCM_PUB_H_ */ 342