/* * Attach/setup the common net80211 state. Called by * the driver on attach to prior to creating any vap's. */ void ieee80211_ifattach(struct ieee80211com *ic, const uint8_t macaddr[IEEE80211_ADDR_LEN]) { struct ifnet *ifp = ic->ic_ifp; struct sockaddr_dl *sdl; struct ifaddr *ifa; KASSERT(ifp->if_type == IFT_IEEE80211, ("if_type %d", ifp->if_type)); TAILQ_INIT(&ic->ic_vaps); /* Create a taskqueue for all state changes */ ic->ic_tq = taskqueue_create("ic_taskq", M_WAITOK | M_ZERO, taskqueue_thread_enqueue, &ic->ic_tq); taskqueue_start_threads(&ic->ic_tq, 1, TDPRI_KERN_DAEMON, -1, "%s taskq", ifp->if_xname); /* * Fill in 802.11 available channel set, mark all * available channels as active, and pick a default * channel if not already specified. */ ieee80211_media_init(ic); ic->ic_update_mcast = null_update_mcast; ic->ic_update_promisc = null_update_promisc; ic->ic_hash_key = karc4random(); ic->ic_bintval = IEEE80211_BINTVAL_DEFAULT; ic->ic_lintval = ic->ic_bintval; ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX; ieee80211_crypto_attach(ic); ieee80211_node_attach(ic); ieee80211_power_attach(ic); ieee80211_proto_attach(ic); #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_attach(ic); #endif ieee80211_ht_attach(ic); ieee80211_scan_attach(ic); ieee80211_regdomain_attach(ic); ieee80211_dfs_attach(ic); ieee80211_sysctl_attach(ic); ifp->if_addrlen = IEEE80211_ADDR_LEN; ifp->if_hdrlen = 0; if_attach(ifp, NULL); ifp->if_mtu = IEEE80211_MTU_MAX; ifp->if_broadcastaddr = ieee80211broadcastaddr; ifp->if_output = null_output; ifp->if_input = null_input; /* just in case */ ifp->if_resolvemulti = NULL; /* NB: callers check */ ifa = ifaddr_byindex(ifp->if_index); KASSERT(ifa != NULL, ("%s: no lladdr!", __func__)); sdl = (struct sockaddr_dl *)ifa->ifa_addr; sdl->sdl_type = IFT_ETHER; /* XXX IFT_IEEE80211? */ sdl->sdl_alen = IEEE80211_ADDR_LEN; IEEE80211_ADDR_COPY(LLADDR(sdl), macaddr); // IFAFREE(ifa); }
int ieee80211_ifattach(struct ieee80211com *ic, IEEE80211_REG_PARAMETERS *ieee80211_reg_parm) { u_int8_t bcast[IEEE80211_ADDR_LEN] = {0xff,0xff,0xff,0xff,0xff,0xff}; int error = 0; ic->ic_reg_parm = *ieee80211_reg_parm; /* set up broadcast address */ IEEE80211_ADDR_COPY(ic->ic_broadcast, bcast); /* initialize channel list */ ieee80211_update_channellist(ic, 0); /* initialize rate set */ ieee80211_init_rateset(ic); /* validate ic->ic_curmode */ if (!IEEE80211_SUPPORT_PHY_MODE(ic, ic->ic_curmode)) ic->ic_curmode = IEEE80211_MODE_AUTO; /* setup initial channel settings */ ic->ic_curchan = ieee80211_get_channel(ic, 0); /* arbitrarily pick the first channel */ /* Enable marking of dfs by default */ ic->ic_flags_ext |= IEEE80211_FEXT_MARKDFS; if (ic->ic_reg_parm.htEnableWepTkip) { ieee80211_ic_wep_tkip_htrate_set(ic); } else { ieee80211_ic_wep_tkip_htrate_clear(ic); } if (ic->ic_reg_parm.htVendorIeEnable) IEEE80211_ENABLE_HTVIE(ic); /* whether to ignore 11d beacon */ if (ic->ic_reg_parm.ignore11dBeacon) IEEE80211_ENABLE_IGNORE_11D_BEACON(ic); if (ic->ic_reg_parm.disallowAutoCCchange) { ieee80211_ic_disallowAutoCCchange_set(ic); } else { ieee80211_ic_disallowAutoCCchange_clear(ic); } (void) ieee80211_setmode(ic, ic->ic_curmode, ic->ic_opmode); ic->ic_intval = IEEE80211_BINTVAL_DEFAULT; /* beacon interval */ ic->ic_set_beacon_interval(ic); ic->ic_lintval = 1; /* listen interval */ ic->ic_lintval_assoc = IEEE80211_LINTVAL_MAX; /* listen interval to use in association */ ic->ic_bmisstimeout = IEEE80211_BMISS_LIMIT * ic->ic_intval; TAILQ_INIT(&ic->ic_vaps); ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX; /* Intialize WDS Auto Detect mode */ ic->ic_flags_ext |= IEEE80211_FEXT_WDS_AUTODETECT; /* ** Enable the 11d country code IE by default */ ic->ic_flags_ext |= IEEE80211_FEXT_COUNTRYIE; /* setup CWM configuration */ ic->ic_cwm_set_mode(ic, ic->ic_reg_parm.cwmMode); ic->ic_cwm_set_extoffset(ic, ic->ic_reg_parm.cwmExtOffset); ic->ic_cwm_set_extprotmode(ic, ic->ic_reg_parm.cwmExtProtMode); ic->ic_cwm_set_extprotspacing(ic, ic->ic_reg_parm.cwmExtProtSpacing); #if tbd /* XXX - TODO - move these into ath layer */ #else ic->ic_cwm_set_enable(ic, ic->ic_reg_parm.cwmEnable); ic->ic_cwm_set_extbusythreshold(ic, ic->ic_reg_parm.cwmExtBusyThreshold); #endif ic->ic_enable2GHzHt40Cap = ic->ic_reg_parm.enable2GHzHt40Cap; #ifdef ATH_COALESCING ic->ic_tx_coalescing = ic->ic_reg_parm.txCoalescingEnable; #endif ic->ic_ignoreDynamicHalt = ic->ic_reg_parm.ignoreDynamicHalt; /* default to auto ADDBA mode */ ic->ic_addba_mode = ADDBA_MODE_AUTO; if (ic->ic_reg_parm.ht20AdhocEnable) { /* * Support HT rates in Ad hoc connections. */ if (IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT20) || IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT20)) { ieee80211_ic_ht20Adhoc_set(ic); if (ic->ic_reg_parm.htAdhocAggrEnable) { ieee80211_ic_htAdhocAggr_set(ic); } } } if (ic->ic_reg_parm.ht40AdhocEnable) { /* * Support HT rates in Ad hoc connections. */ if (IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT40PLUS) || IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NA_HT40MINUS) || IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT40PLUS) || IEEE80211_SUPPORT_PHY_MODE(ic, IEEE80211_MODE_11NG_HT40MINUS)) { ieee80211_ic_ht40Adhoc_set(ic); if (ic->ic_reg_parm.htAdhocAggrEnable) { ieee80211_ic_htAdhocAggr_set(ic); } } } OS_INIT_TIMER(ic->ic_osdev, &(ic->ic_inact_timer), ieee80211_inact_timeout, (void *) (ic)); #if UMAC_SUPPORT_WNM OS_INIT_TIMER(ic->ic_osdev, &(ic->ic_bssload_timer), ieee80211_bssload_timeout, (void *) (ic)); #endif if (ic->ic_reg_parm.disable2040Coexist) { ic->ic_flags |= IEEE80211_F_COEXT_DISABLE; } else { ic->ic_flags &= ~IEEE80211_F_COEXT_DISABLE; } /* setup other modules */ /* The TSF Timer module is required when P2P or Off-channel support are required */ ic->ic_tsf_timer = ieee80211_tsf_timer_attach(ic); #if UMAC_SUPPORT_TDLS_CHAN_SWITCH /* TDLS off-channel support requires TSF timer */ if (ic->ic_tsf_timer) { ieee80211_ic_off_channel_support_set(ic); } else { ieee80211_ic_off_channel_support_clear(ic); } #else ieee80211_ic_off_channel_support_clear(ic); #endif ieee80211_p2p_attach(ic); ieee80211_crypto_attach(ic); ieee80211_node_attach(ic); ieee80211_proto_attach(ic); ieee80211_power_attach(ic); ieee80211_mlme_attach(ic); #if ATH_SUPPORT_DFS ieee80211_dfs_attach(ic); #endif /* ATH_SUPPORT_DFS */ if (IEEE80211_ENAB_AOW(ic)) ieee80211_aow_attach(ic); error = ieee80211_scan_table_attach(ic, &(ic->ic_scan_table), ic->ic_osdev); if (error) { ieee80211_node_detach(ic); return error; } /* * By default overwrite probe response with beacon IE in scan entry. */ ieee80211_ic_override_proberesp_ie_set(ic); error = ieee80211_scan_attach(&(ic->ic_scanner), ic, ic->ic_osdev, ieee80211_is_connected, ieee80211_is_txq_empty, ieee80211_is_sw_txq_empty); if (error) { /* detach and free already allocated memory for scan */ ieee80211_scan_table_detach(&(ic->ic_scan_table)); ieee80211_node_detach(ic); return error; } ic->ic_resmgr = ieee80211_resmgr_create(ic, IEEE80211_RESMGR_MODE_SINGLE_CHANNEL); error = ieee80211_acs_attach(&(ic->ic_acs), ic, ic->ic_osdev); if (error) { /* detach and free already allocated memory for scan */ ieee80211_scan_table_detach(&(ic->ic_scan_table)); ieee80211_scan_detach(&(ic->ic_scanner)); ieee80211_node_detach(ic); return error; } ic->ic_notify_tx_bcn_mgr = ieee80211_notify_tx_bcn_attach(ic); ieee80211_rptplacement_attach(ic); IEEE80211_TDLS_ATTACH(ic); #if UMAC_SUPPORT_VI_DBG ieee80211_vi_dbg_attach(ic); #endif ieee80211_quiet_attach(ic); ieee80211_admctl_attach(ic); /* * Perform steps that require multiple objects to be initialized. * For example, cross references between objects such as ResMgr and Scanner. */ ieee80211_scan_attach_complete(ic->ic_scanner); ieee80211_resmgr_create_complete(ic->ic_resmgr); ieee80211_smartantenna_attach(ic); ieee80211_prdperfstats_attach(ic); ic->ic_get_ext_chan_info = ieee80211_get_extchan_info; /* initialization complete */ ic->ic_initialized = 1; return 0; }