11a1e1d21SSam Leffler /*- 2fe267a55SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3fe267a55SPedro F. Giffuni * 47535e66aSSam Leffler * Copyright (c) 2001 Atsushi Onoe 5b032f27cSSam Leffler * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 6d72d72d3SAndriy Voskoboinyk * Copyright (c) 2012 IEEE 71a1e1d21SSam Leffler * All rights reserved. 81a1e1d21SSam Leffler * 91a1e1d21SSam Leffler * Redistribution and use in source and binary forms, with or without 101a1e1d21SSam Leffler * modification, are permitted provided that the following conditions 111a1e1d21SSam Leffler * are met: 121a1e1d21SSam Leffler * 1. Redistributions of source code must retain the above copyright 137535e66aSSam Leffler * notice, this list of conditions and the following disclaimer. 147535e66aSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 157535e66aSSam Leffler * notice, this list of conditions and the following disclaimer in the 167535e66aSSam Leffler * documentation and/or other materials provided with the distribution. 171a1e1d21SSam Leffler * 187535e66aSSam Leffler * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 197535e66aSSam Leffler * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 207535e66aSSam Leffler * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 217535e66aSSam Leffler * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 227535e66aSSam Leffler * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 237535e66aSSam Leffler * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 247535e66aSSam Leffler * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 257535e66aSSam Leffler * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 267535e66aSSam Leffler * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 277535e66aSSam Leffler * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 281a1e1d21SSam Leffler */ 291a1e1d21SSam Leffler 301a1e1d21SSam Leffler #include <sys/cdefs.h> 311a1e1d21SSam Leffler __FBSDID("$FreeBSD$"); 321a1e1d21SSam Leffler 331a1e1d21SSam Leffler /* 341a1e1d21SSam Leffler * IEEE 802.11 protocol support. 351a1e1d21SSam Leffler */ 361a1e1d21SSam Leffler 371a1e1d21SSam Leffler #include "opt_inet.h" 38b032f27cSSam Leffler #include "opt_wlan.h" 391a1e1d21SSam Leffler 401a1e1d21SSam Leffler #include <sys/param.h> 418a1b9b6aSSam Leffler #include <sys/systm.h> 428ec07310SGleb Smirnoff #include <sys/kernel.h> 438ec07310SGleb Smirnoff #include <sys/malloc.h> 441a1e1d21SSam Leffler 458a1b9b6aSSam Leffler #include <sys/socket.h> 46b032f27cSSam Leffler #include <sys/sockio.h> 471a1e1d21SSam Leffler 481a1e1d21SSam Leffler #include <net/if.h> 4976039bc8SGleb Smirnoff #include <net/if_var.h> 501a1e1d21SSam Leffler #include <net/if_media.h> 518a1b9b6aSSam Leffler #include <net/ethernet.h> /* XXX for ether_sprintf */ 521a1e1d21SSam Leffler 531a1e1d21SSam Leffler #include <net80211/ieee80211_var.h> 54b032f27cSSam Leffler #include <net80211/ieee80211_adhoc.h> 55b032f27cSSam Leffler #include <net80211/ieee80211_sta.h> 56b032f27cSSam Leffler #include <net80211/ieee80211_hostap.h> 57b032f27cSSam Leffler #include <net80211/ieee80211_wds.h> 5859aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 5959aa14a9SRui Paulo #include <net80211/ieee80211_mesh.h> 6059aa14a9SRui Paulo #endif 61b032f27cSSam Leffler #include <net80211/ieee80211_monitor.h> 62b032f27cSSam Leffler #include <net80211/ieee80211_input.h> 631a1e1d21SSam Leffler 648a1b9b6aSSam Leffler /* XXX tunables */ 658a1b9b6aSSam Leffler #define AGGRESSIVE_MODE_SWITCH_HYSTERESIS 3 /* pkts / 100ms */ 668a1b9b6aSSam Leffler #define HIGH_PRI_SWITCH_THRESH 10 /* pkts / 100ms */ 671a1e1d21SSam Leffler 684357a5d1SAndriy Voskoboinyk const char *mgt_subtype_name[] = { 691a1e1d21SSam Leffler "assoc_req", "assoc_resp", "reassoc_req", "reassoc_resp", 70665d5ae9SAndriy Voskoboinyk "probe_req", "probe_resp", "timing_adv", "reserved#7", 711a1e1d21SSam Leffler "beacon", "atim", "disassoc", "auth", 7296283082SBernhard Schmidt "deauth", "action", "action_noack", "reserved#15" 731a1e1d21SSam Leffler }; 744357a5d1SAndriy Voskoboinyk const char *ctl_subtype_name[] = { 758a1b9b6aSSam Leffler "reserved#0", "reserved#1", "reserved#2", "reserved#3", 76665d5ae9SAndriy Voskoboinyk "reserved#4", "reserved#5", "reserved#6", "control_wrap", 77665d5ae9SAndriy Voskoboinyk "bar", "ba", "ps_poll", "rts", 788a1b9b6aSSam Leffler "cts", "ack", "cf_end", "cf_end_ack" 798a1b9b6aSSam Leffler }; 8049aa47d6SSam Leffler const char *ieee80211_opmode_name[IEEE80211_OPMODE_MAX] = { 8149aa47d6SSam Leffler "IBSS", /* IEEE80211_M_IBSS */ 8249aa47d6SSam Leffler "STA", /* IEEE80211_M_STA */ 83b032f27cSSam Leffler "WDS", /* IEEE80211_M_WDS */ 8449aa47d6SSam Leffler "AHDEMO", /* IEEE80211_M_AHDEMO */ 8549aa47d6SSam Leffler "HOSTAP", /* IEEE80211_M_HOSTAP */ 8659aa14a9SRui Paulo "MONITOR", /* IEEE80211_M_MONITOR */ 8759aa14a9SRui Paulo "MBSS" /* IEEE80211_M_MBSS */ 8849aa47d6SSam Leffler }; 89a11c9a5cSSam Leffler const char *ieee80211_state_name[IEEE80211_S_MAX] = { 90a11c9a5cSSam Leffler "INIT", /* IEEE80211_S_INIT */ 91a11c9a5cSSam Leffler "SCAN", /* IEEE80211_S_SCAN */ 92a11c9a5cSSam Leffler "AUTH", /* IEEE80211_S_AUTH */ 93a11c9a5cSSam Leffler "ASSOC", /* IEEE80211_S_ASSOC */ 9414fb6b8fSSam Leffler "CAC", /* IEEE80211_S_CAC */ 9514fb6b8fSSam Leffler "RUN", /* IEEE80211_S_RUN */ 9614fb6b8fSSam Leffler "CSA", /* IEEE80211_S_CSA */ 9714fb6b8fSSam Leffler "SLEEP", /* IEEE80211_S_SLEEP */ 98a11c9a5cSSam Leffler }; 998a1b9b6aSSam Leffler const char *ieee80211_wme_acnames[] = { 1008a1b9b6aSSam Leffler "WME_AC_BE", 1018a1b9b6aSSam Leffler "WME_AC_BK", 1028a1b9b6aSSam Leffler "WME_AC_VI", 1038a1b9b6aSSam Leffler "WME_AC_VO", 1048a1b9b6aSSam Leffler "WME_UPSD", 1058a1b9b6aSSam Leffler }; 106a11c9a5cSSam Leffler 107d72d72d3SAndriy Voskoboinyk 108d72d72d3SAndriy Voskoboinyk /* 109d72d72d3SAndriy Voskoboinyk * Reason code descriptions were (mostly) obtained from 110d72d72d3SAndriy Voskoboinyk * IEEE Std 802.11-2012, pp. 442-445 Table 8-36. 111d72d72d3SAndriy Voskoboinyk */ 112d72d72d3SAndriy Voskoboinyk const char * 113d72d72d3SAndriy Voskoboinyk ieee80211_reason_to_string(uint16_t reason) 114d72d72d3SAndriy Voskoboinyk { 115d72d72d3SAndriy Voskoboinyk switch (reason) { 116d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_UNSPECIFIED: 117d72d72d3SAndriy Voskoboinyk return ("unspecified"); 118d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_AUTH_EXPIRE: 119d72d72d3SAndriy Voskoboinyk return ("previous authentication is expired"); 120d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_AUTH_LEAVE: 121d72d72d3SAndriy Voskoboinyk return ("sending STA is leaving/has left IBSS or ESS"); 122d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_ASSOC_EXPIRE: 123d72d72d3SAndriy Voskoboinyk return ("disassociated due to inactivity"); 124d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_ASSOC_TOOMANY: 125d72d72d3SAndriy Voskoboinyk return ("too many associated STAs"); 126d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_NOT_AUTHED: 127d72d72d3SAndriy Voskoboinyk return ("class 2 frame received from nonauthenticated STA"); 128d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_NOT_ASSOCED: 129d72d72d3SAndriy Voskoboinyk return ("class 3 frame received from nonassociated STA"); 130d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_ASSOC_LEAVE: 131d72d72d3SAndriy Voskoboinyk return ("sending STA is leaving/has left BSS"); 132d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_ASSOC_NOT_AUTHED: 133d72d72d3SAndriy Voskoboinyk return ("STA requesting (re)association is not authenticated"); 134d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_DISASSOC_PWRCAP_BAD: 135d72d72d3SAndriy Voskoboinyk return ("information in the Power Capability element is " 136d72d72d3SAndriy Voskoboinyk "unacceptable"); 137d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_DISASSOC_SUPCHAN_BAD: 138d72d72d3SAndriy Voskoboinyk return ("information in the Supported Channels element is " 139d72d72d3SAndriy Voskoboinyk "unacceptable"); 140d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_IE_INVALID: 141d72d72d3SAndriy Voskoboinyk return ("invalid element"); 142d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MIC_FAILURE: 143d72d72d3SAndriy Voskoboinyk return ("MIC failure"); 144d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT: 145d72d72d3SAndriy Voskoboinyk return ("4-Way handshake timeout"); 146d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT: 147d72d72d3SAndriy Voskoboinyk return ("group key update timeout"); 148d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_IE_IN_4WAY_DIFFERS: 149d72d72d3SAndriy Voskoboinyk return ("element in 4-Way handshake different from " 150d72d72d3SAndriy Voskoboinyk "(re)association request/probe response/beacon frame"); 151d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_GROUP_CIPHER_INVALID: 152d72d72d3SAndriy Voskoboinyk return ("invalid group cipher"); 153d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_PAIRWISE_CIPHER_INVALID: 154d72d72d3SAndriy Voskoboinyk return ("invalid pairwise cipher"); 155d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_AKMP_INVALID: 156d72d72d3SAndriy Voskoboinyk return ("invalid AKMP"); 157d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_UNSUPP_RSN_IE_VERSION: 158d72d72d3SAndriy Voskoboinyk return ("unsupported version in RSN IE"); 159d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_INVALID_RSN_IE_CAP: 160d72d72d3SAndriy Voskoboinyk return ("invalid capabilities in RSN IE"); 161d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_802_1X_AUTH_FAILED: 162d72d72d3SAndriy Voskoboinyk return ("IEEE 802.1X authentication failed"); 163d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_CIPHER_SUITE_REJECTED: 164d72d72d3SAndriy Voskoboinyk return ("cipher suite rejected because of the security " 165d72d72d3SAndriy Voskoboinyk "policy"); 166d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_UNSPECIFIED_QOS: 167d72d72d3SAndriy Voskoboinyk return ("unspecified (QoS-related)"); 168d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_INSUFFICIENT_BW: 169d72d72d3SAndriy Voskoboinyk return ("QoS AP lacks sufficient bandwidth for this QoS STA"); 170d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_TOOMANY_FRAMES: 171d72d72d3SAndriy Voskoboinyk return ("too many frames need to be acknowledged"); 172d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_OUTSIDE_TXOP: 173d72d72d3SAndriy Voskoboinyk return ("STA is transmitting outside the limits of its TXOPs"); 174d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_LEAVING_QBSS: 175d72d72d3SAndriy Voskoboinyk return ("requested from peer STA (the STA is " 176d72d72d3SAndriy Voskoboinyk "resetting/leaving the BSS)"); 177d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_BAD_MECHANISM: 178d72d72d3SAndriy Voskoboinyk return ("requested from peer STA (it does not want to use " 179d72d72d3SAndriy Voskoboinyk "the mechanism)"); 180d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_SETUP_NEEDED: 181d72d72d3SAndriy Voskoboinyk return ("requested from peer STA (setup is required for the " 182d72d72d3SAndriy Voskoboinyk "used mechanism)"); 183d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_TIMEOUT: 184d72d72d3SAndriy Voskoboinyk return ("requested from peer STA (timeout)"); 185d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_PEER_LINK_CANCELED: 186d72d72d3SAndriy Voskoboinyk return ("SME cancels the mesh peering instance (not related " 187d72d72d3SAndriy Voskoboinyk "to the maximum number of peer mesh STAs)"); 188d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_MAX_PEERS: 189d72d72d3SAndriy Voskoboinyk return ("maximum number of peer mesh STAs was reached"); 190d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_CPVIOLATION: 191d72d72d3SAndriy Voskoboinyk return ("the received information violates the Mesh " 192d72d72d3SAndriy Voskoboinyk "Configuration policy configured in the mesh STA " 193d72d72d3SAndriy Voskoboinyk "profile"); 194d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_CLOSE_RCVD: 195d72d72d3SAndriy Voskoboinyk return ("the mesh STA has received a Mesh Peering Close " 196d72d72d3SAndriy Voskoboinyk "message requesting to close the mesh peering"); 197d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_MAX_RETRIES: 198d72d72d3SAndriy Voskoboinyk return ("the mesh STA has resent dot11MeshMaxRetries Mesh " 199d72d72d3SAndriy Voskoboinyk "Peering Open messages, without receiving a Mesh " 200d72d72d3SAndriy Voskoboinyk "Peering Confirm message"); 201d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_CONFIRM_TIMEOUT: 202d72d72d3SAndriy Voskoboinyk return ("the confirmTimer for the mesh peering instance times " 203d72d72d3SAndriy Voskoboinyk "out"); 204d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_INVALID_GTK: 205d72d72d3SAndriy Voskoboinyk return ("the mesh STA fails to unwrap the GTK or the values " 206d72d72d3SAndriy Voskoboinyk "in the wrapped contents do not match"); 207d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_INCONS_PARAMS: 208d72d72d3SAndriy Voskoboinyk return ("the mesh STA receives inconsistent information about " 209d72d72d3SAndriy Voskoboinyk "the mesh parameters between Mesh Peering Management " 210d72d72d3SAndriy Voskoboinyk "frames"); 211d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_INVALID_SECURITY: 212d72d72d3SAndriy Voskoboinyk return ("the mesh STA fails the authenticated mesh peering " 213d72d72d3SAndriy Voskoboinyk "exchange because due to failure in selecting " 214d72d72d3SAndriy Voskoboinyk "pairwise/group ciphersuite"); 215d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_PERR_NO_PROXY: 216d72d72d3SAndriy Voskoboinyk return ("the mesh STA does not have proxy information for " 217d72d72d3SAndriy Voskoboinyk "this external destination"); 218d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_PERR_NO_FI: 219d72d72d3SAndriy Voskoboinyk return ("the mesh STA does not have forwarding information " 220d72d72d3SAndriy Voskoboinyk "for this destination"); 221d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_PERR_DEST_UNREACH: 222d72d72d3SAndriy Voskoboinyk return ("the mesh STA determines that the link to the next " 223d72d72d3SAndriy Voskoboinyk "hop of an active path in its forwarding information " 224d72d72d3SAndriy Voskoboinyk "is no longer usable"); 225d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS: 226d72d72d3SAndriy Voskoboinyk return ("the MAC address of the STA already exists in the " 227d72d72d3SAndriy Voskoboinyk "mesh BSS"); 228d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_CHAN_SWITCH_REG: 229d72d72d3SAndriy Voskoboinyk return ("the mesh STA performs channel switch to meet " 230d72d72d3SAndriy Voskoboinyk "regulatory requirements"); 231d72d72d3SAndriy Voskoboinyk case IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC: 232d72d72d3SAndriy Voskoboinyk return ("the mesh STA performs channel switch with " 233d72d72d3SAndriy Voskoboinyk "unspecified reason"); 234d72d72d3SAndriy Voskoboinyk default: 235d72d72d3SAndriy Voskoboinyk return ("reserved/unknown"); 236d72d72d3SAndriy Voskoboinyk } 237d72d72d3SAndriy Voskoboinyk } 238d72d72d3SAndriy Voskoboinyk 2395efea30fSAndrew Thompson static void beacon_miss(void *, int); 2405efea30fSAndrew Thompson static void beacon_swmiss(void *, int); 241b032f27cSSam Leffler static void parent_updown(void *, int); 2425efea30fSAndrew Thompson static void update_mcast(void *, int); 2435efea30fSAndrew Thompson static void update_promisc(void *, int); 2445efea30fSAndrew Thompson static void update_channel(void *, int); 245b94299c4SAdrian Chadd static void update_chw(void *, int); 246e3e94c96SAdrian Chadd static void vap_update_wme(void *, int); 2474061c639SAndriy Voskoboinyk static void restart_vaps(void *, int); 2485efea30fSAndrew Thompson static void ieee80211_newstate_cb(void *, int); 2491a1e1d21SSam Leffler 250b032f27cSSam Leffler static int 251b032f27cSSam Leffler null_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 252b032f27cSSam Leffler const struct ieee80211_bpf_params *params) 253b105a069SSam Leffler { 254b032f27cSSam Leffler 255c8f5794eSGleb Smirnoff ic_printf(ni->ni_ic, "missing ic_raw_xmit callback, drop frame\n"); 256b032f27cSSam Leffler m_freem(m); 257b032f27cSSam Leffler return ENETDOWN; 258b105a069SSam Leffler } 259b105a069SSam Leffler 2601a1e1d21SSam Leffler void 2618a1b9b6aSSam Leffler ieee80211_proto_attach(struct ieee80211com *ic) 2621a1e1d21SSam Leffler { 2637a79cebfSGleb Smirnoff uint8_t hdrlen; 2641a1e1d21SSam Leffler 265b032f27cSSam Leffler /* override the 802.3 setting */ 2667a79cebfSGleb Smirnoff hdrlen = ic->ic_headroom 267b032f27cSSam Leffler + sizeof(struct ieee80211_qosframe_addr4) 268b032f27cSSam Leffler + IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN 269b032f27cSSam Leffler + IEEE80211_WEP_EXTIVLEN; 270b032f27cSSam Leffler /* XXX no way to recalculate on ifdetach */ 2717a79cebfSGleb Smirnoff if (ALIGN(hdrlen) > max_linkhdr) { 272b032f27cSSam Leffler /* XXX sanity check... */ 2737a79cebfSGleb Smirnoff max_linkhdr = ALIGN(hdrlen); 274b032f27cSSam Leffler max_hdr = max_linkhdr + max_protohdr; 275b032f27cSSam Leffler max_datalen = MHLEN - max_hdr; 276b032f27cSSam Leffler } 2772e79ca97SSam Leffler ic->ic_protmode = IEEE80211_PROT_CTSONLY; 278b032f27cSSam Leffler 2797a79cebfSGleb Smirnoff TASK_INIT(&ic->ic_parent_task, 0, parent_updown, ic); 2805efea30fSAndrew Thompson TASK_INIT(&ic->ic_mcast_task, 0, update_mcast, ic); 2815efea30fSAndrew Thompson TASK_INIT(&ic->ic_promisc_task, 0, update_promisc, ic); 2825efea30fSAndrew Thompson TASK_INIT(&ic->ic_chan_task, 0, update_channel, ic); 2835efea30fSAndrew Thompson TASK_INIT(&ic->ic_bmiss_task, 0, beacon_miss, ic); 284b94299c4SAdrian Chadd TASK_INIT(&ic->ic_chw_task, 0, update_chw, ic); 2854061c639SAndriy Voskoboinyk TASK_INIT(&ic->ic_restart_task, 0, restart_vaps, ic); 2868a1b9b6aSSam Leffler 2878a1b9b6aSSam Leffler ic->ic_wme.wme_hipri_switch_hysteresis = 2888a1b9b6aSSam Leffler AGGRESSIVE_MODE_SWITCH_HYSTERESIS; 2891a1e1d21SSam Leffler 2901a1e1d21SSam Leffler /* initialize management frame handlers */ 2911a1e1d21SSam Leffler ic->ic_send_mgmt = ieee80211_send_mgmt; 292b032f27cSSam Leffler ic->ic_raw_xmit = null_raw_xmit; 293b032f27cSSam Leffler 294b032f27cSSam Leffler ieee80211_adhoc_attach(ic); 295b032f27cSSam Leffler ieee80211_sta_attach(ic); 296b032f27cSSam Leffler ieee80211_wds_attach(ic); 297b032f27cSSam Leffler ieee80211_hostap_attach(ic); 29859aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 29959aa14a9SRui Paulo ieee80211_mesh_attach(ic); 30059aa14a9SRui Paulo #endif 301b032f27cSSam Leffler ieee80211_monitor_attach(ic); 3021a1e1d21SSam Leffler } 3031a1e1d21SSam Leffler 3041a1e1d21SSam Leffler void 3058a1b9b6aSSam Leffler ieee80211_proto_detach(struct ieee80211com *ic) 3061a1e1d21SSam Leffler { 307b032f27cSSam Leffler ieee80211_monitor_detach(ic); 30859aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 30959aa14a9SRui Paulo ieee80211_mesh_detach(ic); 31059aa14a9SRui Paulo #endif 311b032f27cSSam Leffler ieee80211_hostap_detach(ic); 312b032f27cSSam Leffler ieee80211_wds_detach(ic); 313b032f27cSSam Leffler ieee80211_adhoc_detach(ic); 314b032f27cSSam Leffler ieee80211_sta_detach(ic); 315b032f27cSSam Leffler } 3168a1b9b6aSSam Leffler 317b032f27cSSam Leffler static void 318b032f27cSSam Leffler null_update_beacon(struct ieee80211vap *vap, int item) 319b032f27cSSam Leffler { 320b032f27cSSam Leffler } 321b032f27cSSam Leffler 322b032f27cSSam Leffler void 323b032f27cSSam Leffler ieee80211_proto_vattach(struct ieee80211vap *vap) 324b032f27cSSam Leffler { 325b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 326b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 327b032f27cSSam Leffler int i; 328b032f27cSSam Leffler 329b032f27cSSam Leffler /* override the 802.3 setting */ 3307a79cebfSGleb Smirnoff ifp->if_hdrlen = ic->ic_headroom 3317a79cebfSGleb Smirnoff + sizeof(struct ieee80211_qosframe_addr4) 3327a79cebfSGleb Smirnoff + IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN 3337a79cebfSGleb Smirnoff + IEEE80211_WEP_EXTIVLEN; 334b032f27cSSam Leffler 335b032f27cSSam Leffler vap->iv_rtsthreshold = IEEE80211_RTS_DEFAULT; 336b032f27cSSam Leffler vap->iv_fragthreshold = IEEE80211_FRAG_DEFAULT; 337b032f27cSSam Leffler vap->iv_bmiss_max = IEEE80211_BMISS_MAX; 33823401900SAdrian Chadd callout_init_mtx(&vap->iv_swbmiss, IEEE80211_LOCK_OBJ(ic), 0); 339fd90e2edSJung-uk Kim callout_init(&vap->iv_mgtsend, 1); 3405efea30fSAndrew Thompson TASK_INIT(&vap->iv_nstate_task, 0, ieee80211_newstate_cb, vap); 3415efea30fSAndrew Thompson TASK_INIT(&vap->iv_swbmiss_task, 0, beacon_swmiss, vap); 342e3e94c96SAdrian Chadd TASK_INIT(&vap->iv_wme_task, 0, vap_update_wme, vap); 343b032f27cSSam Leffler /* 344b032f27cSSam Leffler * Install default tx rate handling: no fixed rate, lowest 345b032f27cSSam Leffler * supported rate for mgmt and multicast frames. Default 346b032f27cSSam Leffler * max retry count. These settings can be changed by the 347b032f27cSSam Leffler * driver and/or user applications. 348b032f27cSSam Leffler */ 349047db6b3SSam Leffler for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++) { 3501c4cb651SAndriy Voskoboinyk if (isclr(ic->ic_modecaps, i)) 3511c4cb651SAndriy Voskoboinyk continue; 3521c4cb651SAndriy Voskoboinyk 353b032f27cSSam Leffler const struct ieee80211_rateset *rs = &ic->ic_sup_rates[i]; 354b032f27cSSam Leffler 355b032f27cSSam Leffler vap->iv_txparms[i].ucastrate = IEEE80211_FIXED_RATE_NONE; 356338452c9SAdrian Chadd 357338452c9SAdrian Chadd /* 358338452c9SAdrian Chadd * Setting the management rate to MCS 0 assumes that the 359338452c9SAdrian Chadd * BSS Basic rate set is empty and the BSS Basic MCS set 360338452c9SAdrian Chadd * is not. 361338452c9SAdrian Chadd * 362338452c9SAdrian Chadd * Since we're not checking this, default to the lowest 363338452c9SAdrian Chadd * defined rate for this mode. 364338452c9SAdrian Chadd * 365338452c9SAdrian Chadd * At least one 11n AP (DLINK DIR-825) is reported to drop 366338452c9SAdrian Chadd * some MCS management traffic (eg BA response frames.) 367338452c9SAdrian Chadd * 368338452c9SAdrian Chadd * See also: 9.6.0 of the 802.11n-2009 specification. 369338452c9SAdrian Chadd */ 370338452c9SAdrian Chadd #ifdef NOTYET 371047db6b3SSam Leffler if (i == IEEE80211_MODE_11NA || i == IEEE80211_MODE_11NG) { 372047db6b3SSam Leffler vap->iv_txparms[i].mgmtrate = 0 | IEEE80211_RATE_MCS; 373047db6b3SSam Leffler vap->iv_txparms[i].mcastrate = 0 | IEEE80211_RATE_MCS; 374047db6b3SSam Leffler } else { 375b032f27cSSam Leffler vap->iv_txparms[i].mgmtrate = 376b032f27cSSam Leffler rs->rs_rates[0] & IEEE80211_RATE_VAL; 377b032f27cSSam Leffler vap->iv_txparms[i].mcastrate = 378b032f27cSSam Leffler rs->rs_rates[0] & IEEE80211_RATE_VAL; 379b032f27cSSam Leffler } 380338452c9SAdrian Chadd #endif 381338452c9SAdrian Chadd vap->iv_txparms[i].mgmtrate = rs->rs_rates[0] & IEEE80211_RATE_VAL; 382338452c9SAdrian Chadd vap->iv_txparms[i].mcastrate = rs->rs_rates[0] & IEEE80211_RATE_VAL; 383b032f27cSSam Leffler vap->iv_txparms[i].maxretry = IEEE80211_TXMAX_DEFAULT; 384b032f27cSSam Leffler } 385b032f27cSSam Leffler vap->iv_roaming = IEEE80211_ROAMING_AUTO; 386b032f27cSSam Leffler 387b032f27cSSam Leffler vap->iv_update_beacon = null_update_beacon; 388b032f27cSSam Leffler vap->iv_deliver_data = ieee80211_deliver_data; 389b032f27cSSam Leffler 390b032f27cSSam Leffler /* attach support for operating mode */ 391b032f27cSSam Leffler ic->ic_vattach[vap->iv_opmode](vap); 392b032f27cSSam Leffler } 393b032f27cSSam Leffler 394b032f27cSSam Leffler void 395b032f27cSSam Leffler ieee80211_proto_vdetach(struct ieee80211vap *vap) 396b032f27cSSam Leffler { 397b032f27cSSam Leffler #define FREEAPPIE(ie) do { \ 398b032f27cSSam Leffler if (ie != NULL) \ 399b9b53389SAdrian Chadd IEEE80211_FREE(ie, M_80211_NODE_IE); \ 400b032f27cSSam Leffler } while (0) 401b032f27cSSam Leffler /* 402b032f27cSSam Leffler * Detach operating mode module. 403b032f27cSSam Leffler */ 404b032f27cSSam Leffler if (vap->iv_opdetach != NULL) 405b032f27cSSam Leffler vap->iv_opdetach(vap); 4068a1b9b6aSSam Leffler /* 4078a1b9b6aSSam Leffler * This should not be needed as we detach when reseting 4088a1b9b6aSSam Leffler * the state but be conservative here since the 4098a1b9b6aSSam Leffler * authenticator may do things like spawn kernel threads. 4108a1b9b6aSSam Leffler */ 411b032f27cSSam Leffler if (vap->iv_auth->ia_detach != NULL) 412b032f27cSSam Leffler vap->iv_auth->ia_detach(vap); 4138a1b9b6aSSam Leffler /* 4148a1b9b6aSSam Leffler * Detach any ACL'ator. 4158a1b9b6aSSam Leffler */ 416b032f27cSSam Leffler if (vap->iv_acl != NULL) 417b032f27cSSam Leffler vap->iv_acl->iac_detach(vap); 418b032f27cSSam Leffler 419b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_beacon); 420b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_probereq); 421b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_proberesp); 422b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_assocreq); 423b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_assocresp); 424b032f27cSSam Leffler FREEAPPIE(vap->iv_appie_wpa); 425b032f27cSSam Leffler #undef FREEAPPIE 4268a1b9b6aSSam Leffler } 4278a1b9b6aSSam Leffler 4288a1b9b6aSSam Leffler /* 4298a1b9b6aSSam Leffler * Simple-minded authenticator module support. 4308a1b9b6aSSam Leffler */ 4318a1b9b6aSSam Leffler 4328a1b9b6aSSam Leffler #define IEEE80211_AUTH_MAX (IEEE80211_AUTH_WPA+1) 4338a1b9b6aSSam Leffler /* XXX well-known names */ 4348a1b9b6aSSam Leffler static const char *auth_modnames[IEEE80211_AUTH_MAX] = { 4358a1b9b6aSSam Leffler "wlan_internal", /* IEEE80211_AUTH_NONE */ 4368a1b9b6aSSam Leffler "wlan_internal", /* IEEE80211_AUTH_OPEN */ 4378a1b9b6aSSam Leffler "wlan_internal", /* IEEE80211_AUTH_SHARED */ 4388a1b9b6aSSam Leffler "wlan_xauth", /* IEEE80211_AUTH_8021X */ 4398a1b9b6aSSam Leffler "wlan_internal", /* IEEE80211_AUTH_AUTO */ 4408a1b9b6aSSam Leffler "wlan_xauth", /* IEEE80211_AUTH_WPA */ 4418a1b9b6aSSam Leffler }; 4428a1b9b6aSSam Leffler static const struct ieee80211_authenticator *authenticators[IEEE80211_AUTH_MAX]; 4438a1b9b6aSSam Leffler 4448a1b9b6aSSam Leffler static const struct ieee80211_authenticator auth_internal = { 4458a1b9b6aSSam Leffler .ia_name = "wlan_internal", 4468a1b9b6aSSam Leffler .ia_attach = NULL, 4478a1b9b6aSSam Leffler .ia_detach = NULL, 4488a1b9b6aSSam Leffler .ia_node_join = NULL, 4498a1b9b6aSSam Leffler .ia_node_leave = NULL, 4508a1b9b6aSSam Leffler }; 4518a1b9b6aSSam Leffler 4528a1b9b6aSSam Leffler /* 4538a1b9b6aSSam Leffler * Setup internal authenticators once; they are never unregistered. 4548a1b9b6aSSam Leffler */ 4558a1b9b6aSSam Leffler static void 4568a1b9b6aSSam Leffler ieee80211_auth_setup(void) 4578a1b9b6aSSam Leffler { 4588a1b9b6aSSam Leffler ieee80211_authenticator_register(IEEE80211_AUTH_OPEN, &auth_internal); 4598a1b9b6aSSam Leffler ieee80211_authenticator_register(IEEE80211_AUTH_SHARED, &auth_internal); 4608a1b9b6aSSam Leffler ieee80211_authenticator_register(IEEE80211_AUTH_AUTO, &auth_internal); 4618a1b9b6aSSam Leffler } 4628a1b9b6aSSam Leffler SYSINIT(wlan_auth, SI_SUB_DRIVERS, SI_ORDER_FIRST, ieee80211_auth_setup, NULL); 4638a1b9b6aSSam Leffler 4648a1b9b6aSSam Leffler const struct ieee80211_authenticator * 4658a1b9b6aSSam Leffler ieee80211_authenticator_get(int auth) 4668a1b9b6aSSam Leffler { 4678a1b9b6aSSam Leffler if (auth >= IEEE80211_AUTH_MAX) 4688a1b9b6aSSam Leffler return NULL; 4698a1b9b6aSSam Leffler if (authenticators[auth] == NULL) 4708a1b9b6aSSam Leffler ieee80211_load_module(auth_modnames[auth]); 4718a1b9b6aSSam Leffler return authenticators[auth]; 4721a1e1d21SSam Leffler } 4731a1e1d21SSam Leffler 4741a1e1d21SSam Leffler void 4758a1b9b6aSSam Leffler ieee80211_authenticator_register(int type, 4768a1b9b6aSSam Leffler const struct ieee80211_authenticator *auth) 4771a1e1d21SSam Leffler { 4788a1b9b6aSSam Leffler if (type >= IEEE80211_AUTH_MAX) 4798a1b9b6aSSam Leffler return; 4808a1b9b6aSSam Leffler authenticators[type] = auth; 4818a1b9b6aSSam Leffler } 4828a1b9b6aSSam Leffler 4838a1b9b6aSSam Leffler void 4848a1b9b6aSSam Leffler ieee80211_authenticator_unregister(int type) 4858a1b9b6aSSam Leffler { 4868a1b9b6aSSam Leffler 4878a1b9b6aSSam Leffler if (type >= IEEE80211_AUTH_MAX) 4888a1b9b6aSSam Leffler return; 4898a1b9b6aSSam Leffler authenticators[type] = NULL; 4908a1b9b6aSSam Leffler } 4918a1b9b6aSSam Leffler 4928a1b9b6aSSam Leffler /* 4938a1b9b6aSSam Leffler * Very simple-minded ACL module support. 4948a1b9b6aSSam Leffler */ 4958a1b9b6aSSam Leffler /* XXX just one for now */ 4968a1b9b6aSSam Leffler static const struct ieee80211_aclator *acl = NULL; 4978a1b9b6aSSam Leffler 4988a1b9b6aSSam Leffler void 4998a1b9b6aSSam Leffler ieee80211_aclator_register(const struct ieee80211_aclator *iac) 5008a1b9b6aSSam Leffler { 5018a1b9b6aSSam Leffler printf("wlan: %s acl policy registered\n", iac->iac_name); 5028a1b9b6aSSam Leffler acl = iac; 5038a1b9b6aSSam Leffler } 5048a1b9b6aSSam Leffler 5058a1b9b6aSSam Leffler void 5068a1b9b6aSSam Leffler ieee80211_aclator_unregister(const struct ieee80211_aclator *iac) 5078a1b9b6aSSam Leffler { 5088a1b9b6aSSam Leffler if (acl == iac) 5098a1b9b6aSSam Leffler acl = NULL; 5108a1b9b6aSSam Leffler printf("wlan: %s acl policy unregistered\n", iac->iac_name); 5118a1b9b6aSSam Leffler } 5128a1b9b6aSSam Leffler 5138a1b9b6aSSam Leffler const struct ieee80211_aclator * 5148a1b9b6aSSam Leffler ieee80211_aclator_get(const char *name) 5158a1b9b6aSSam Leffler { 5168a1b9b6aSSam Leffler if (acl == NULL) 5178a1b9b6aSSam Leffler ieee80211_load_module("wlan_acl"); 5188a1b9b6aSSam Leffler return acl != NULL && strcmp(acl->iac_name, name) == 0 ? acl : NULL; 5198a1b9b6aSSam Leffler } 5208a1b9b6aSSam Leffler 5218a1b9b6aSSam Leffler void 52268e8e04eSSam Leffler ieee80211_print_essid(const uint8_t *essid, int len) 5238a1b9b6aSSam Leffler { 52468e8e04eSSam Leffler const uint8_t *p; 5251a1e1d21SSam Leffler int i; 5261a1e1d21SSam Leffler 5271a1e1d21SSam Leffler if (len > IEEE80211_NWID_LEN) 5281a1e1d21SSam Leffler len = IEEE80211_NWID_LEN; 5291a1e1d21SSam Leffler /* determine printable or not */ 5301a1e1d21SSam Leffler for (i = 0, p = essid; i < len; i++, p++) { 5311a1e1d21SSam Leffler if (*p < ' ' || *p > 0x7e) 5321a1e1d21SSam Leffler break; 5331a1e1d21SSam Leffler } 5341a1e1d21SSam Leffler if (i == len) { 5351a1e1d21SSam Leffler printf("\""); 5361a1e1d21SSam Leffler for (i = 0, p = essid; i < len; i++, p++) 5371a1e1d21SSam Leffler printf("%c", *p); 5381a1e1d21SSam Leffler printf("\""); 5391a1e1d21SSam Leffler } else { 5401a1e1d21SSam Leffler printf("0x"); 5411a1e1d21SSam Leffler for (i = 0, p = essid; i < len; i++, p++) 5421a1e1d21SSam Leffler printf("%02x", *p); 5431a1e1d21SSam Leffler } 5441a1e1d21SSam Leffler } 5451a1e1d21SSam Leffler 5461a1e1d21SSam Leffler void 54768e8e04eSSam Leffler ieee80211_dump_pkt(struct ieee80211com *ic, 54868e8e04eSSam Leffler const uint8_t *buf, int len, int rate, int rssi) 5491a1e1d21SSam Leffler { 5508a1b9b6aSSam Leffler const struct ieee80211_frame *wh; 5511a1e1d21SSam Leffler int i; 5521a1e1d21SSam Leffler 5538a1b9b6aSSam Leffler wh = (const struct ieee80211_frame *)buf; 5541a1e1d21SSam Leffler switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) { 5551a1e1d21SSam Leffler case IEEE80211_FC1_DIR_NODS: 5561a1e1d21SSam Leffler printf("NODS %s", ether_sprintf(wh->i_addr2)); 5571a1e1d21SSam Leffler printf("->%s", ether_sprintf(wh->i_addr1)); 5581a1e1d21SSam Leffler printf("(%s)", ether_sprintf(wh->i_addr3)); 5591a1e1d21SSam Leffler break; 5601a1e1d21SSam Leffler case IEEE80211_FC1_DIR_TODS: 5611a1e1d21SSam Leffler printf("TODS %s", ether_sprintf(wh->i_addr2)); 5621a1e1d21SSam Leffler printf("->%s", ether_sprintf(wh->i_addr3)); 5631a1e1d21SSam Leffler printf("(%s)", ether_sprintf(wh->i_addr1)); 5641a1e1d21SSam Leffler break; 5651a1e1d21SSam Leffler case IEEE80211_FC1_DIR_FROMDS: 5661a1e1d21SSam Leffler printf("FRDS %s", ether_sprintf(wh->i_addr3)); 5671a1e1d21SSam Leffler printf("->%s", ether_sprintf(wh->i_addr1)); 5681a1e1d21SSam Leffler printf("(%s)", ether_sprintf(wh->i_addr2)); 5691a1e1d21SSam Leffler break; 5701a1e1d21SSam Leffler case IEEE80211_FC1_DIR_DSTODS: 57168e8e04eSSam Leffler printf("DSDS %s", ether_sprintf((const uint8_t *)&wh[1])); 5721a1e1d21SSam Leffler printf("->%s", ether_sprintf(wh->i_addr3)); 5731a1e1d21SSam Leffler printf("(%s", ether_sprintf(wh->i_addr2)); 5741a1e1d21SSam Leffler printf("->%s)", ether_sprintf(wh->i_addr1)); 5751a1e1d21SSam Leffler break; 5761a1e1d21SSam Leffler } 5771a1e1d21SSam Leffler switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) { 5781a1e1d21SSam Leffler case IEEE80211_FC0_TYPE_DATA: 5791a1e1d21SSam Leffler printf(" data"); 5801a1e1d21SSam Leffler break; 5811a1e1d21SSam Leffler case IEEE80211_FC0_TYPE_MGT: 5824357a5d1SAndriy Voskoboinyk printf(" %s", ieee80211_mgt_subtype_name(wh->i_fc[0])); 5831a1e1d21SSam Leffler break; 5841a1e1d21SSam Leffler default: 5851a1e1d21SSam Leffler printf(" type#%d", wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK); 5861a1e1d21SSam Leffler break; 5871a1e1d21SSam Leffler } 58868e8e04eSSam Leffler if (IEEE80211_QOS_HAS_SEQ(wh)) { 58968e8e04eSSam Leffler const struct ieee80211_qosframe *qwh = 59068e8e04eSSam Leffler (const struct ieee80211_qosframe *)buf; 59168e8e04eSSam Leffler printf(" QoS [TID %u%s]", qwh->i_qos[0] & IEEE80211_QOS_TID, 59268e8e04eSSam Leffler qwh->i_qos[0] & IEEE80211_QOS_ACKPOLICY ? " ACM" : ""); 59368e8e04eSSam Leffler } 5945945b5f5SKevin Lo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 59568e8e04eSSam Leffler int off; 59668e8e04eSSam Leffler 59768e8e04eSSam Leffler off = ieee80211_anyhdrspace(ic, wh); 59868e8e04eSSam Leffler printf(" WEP [IV %.02x %.02x %.02x", 59968e8e04eSSam Leffler buf[off+0], buf[off+1], buf[off+2]); 60068e8e04eSSam Leffler if (buf[off+IEEE80211_WEP_IVLEN] & IEEE80211_WEP_EXTIV) 60168e8e04eSSam Leffler printf(" %.02x %.02x %.02x", 60268e8e04eSSam Leffler buf[off+4], buf[off+5], buf[off+6]); 60368e8e04eSSam Leffler printf(" KID %u]", buf[off+IEEE80211_WEP_IVLEN] >> 6); 6048a1b9b6aSSam Leffler } 6051a1e1d21SSam Leffler if (rate >= 0) 6061a1e1d21SSam Leffler printf(" %dM", rate / 2); 6071a1e1d21SSam Leffler if (rssi >= 0) 6081a1e1d21SSam Leffler printf(" +%d", rssi); 6091a1e1d21SSam Leffler printf("\n"); 6101a1e1d21SSam Leffler if (len > 0) { 6111a1e1d21SSam Leffler for (i = 0; i < len; i++) { 6121a1e1d21SSam Leffler if ((i & 1) == 0) 6131a1e1d21SSam Leffler printf(" "); 6141a1e1d21SSam Leffler printf("%02x", buf[i]); 6151a1e1d21SSam Leffler } 6161a1e1d21SSam Leffler printf("\n"); 6171a1e1d21SSam Leffler } 6181a1e1d21SSam Leffler } 6191a1e1d21SSam Leffler 62079edaebfSSam Leffler static __inline int 62179edaebfSSam Leffler findrix(const struct ieee80211_rateset *rs, int r) 62279edaebfSSam Leffler { 62379edaebfSSam Leffler int i; 62479edaebfSSam Leffler 62579edaebfSSam Leffler for (i = 0; i < rs->rs_nrates; i++) 62679edaebfSSam Leffler if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == r) 62779edaebfSSam Leffler return i; 62879edaebfSSam Leffler return -1; 62979edaebfSSam Leffler } 63079edaebfSSam Leffler 6311a1e1d21SSam Leffler int 63270e28b9aSSam Leffler ieee80211_fix_rate(struct ieee80211_node *ni, 63370e28b9aSSam Leffler struct ieee80211_rateset *nrs, int flags) 6341a1e1d21SSam Leffler { 635b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 6367d77cd53SSam Leffler struct ieee80211com *ic = ni->ni_ic; 63779edaebfSSam Leffler int i, j, rix, error; 638b032f27cSSam Leffler int okrate, badrate, fixedrate, ucastrate; 63941b3c790SSam Leffler const struct ieee80211_rateset *srs; 64068e8e04eSSam Leffler uint8_t r; 6411a1e1d21SSam Leffler 6421a1e1d21SSam Leffler error = 0; 64368e8e04eSSam Leffler okrate = badrate = 0; 644b032f27cSSam Leffler ucastrate = vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)].ucastrate; 645b032f27cSSam Leffler if (ucastrate != IEEE80211_FIXED_RATE_NONE) { 646b032f27cSSam Leffler /* 647b032f27cSSam Leffler * Workaround awkwardness with fixed rate. We are called 648b032f27cSSam Leffler * to check both the legacy rate set and the HT rate set 649b032f27cSSam Leffler * but we must apply any legacy fixed rate check only to the 650b032f27cSSam Leffler * legacy rate set and vice versa. We cannot tell what type 651b032f27cSSam Leffler * of rate set we've been given (legacy or HT) but we can 652b032f27cSSam Leffler * distinguish the fixed rate type (MCS have 0x80 set). 653b032f27cSSam Leffler * So to deal with this the caller communicates whether to 654b032f27cSSam Leffler * check MCS or legacy rate using the flags and we use the 655b032f27cSSam Leffler * type of any fixed rate to avoid applying an MCS to a 656b032f27cSSam Leffler * legacy rate and vice versa. 657b032f27cSSam Leffler */ 658b032f27cSSam Leffler if (ucastrate & 0x80) { 659b032f27cSSam Leffler if (flags & IEEE80211_F_DOFRATE) 660b032f27cSSam Leffler flags &= ~IEEE80211_F_DOFRATE; 661b032f27cSSam Leffler } else if ((ucastrate & 0x80) == 0) { 662b032f27cSSam Leffler if (flags & IEEE80211_F_DOFMCS) 663b032f27cSSam Leffler flags &= ~IEEE80211_F_DOFMCS; 664b032f27cSSam Leffler } 665b032f27cSSam Leffler /* NB: required to make MCS match below work */ 666b032f27cSSam Leffler ucastrate &= IEEE80211_RATE_VAL; 667b032f27cSSam Leffler } 66868e8e04eSSam Leffler fixedrate = IEEE80211_FIXED_RATE_NONE; 669b032f27cSSam Leffler /* 670b032f27cSSam Leffler * XXX we are called to process both MCS and legacy rates; 671b032f27cSSam Leffler * we must use the appropriate basic rate set or chaos will 672b032f27cSSam Leffler * ensue; for now callers that want MCS must supply 673b032f27cSSam Leffler * IEEE80211_F_DOBRS; at some point we'll need to split this 674b032f27cSSam Leffler * function so there are two variants, one for MCS and one 675b032f27cSSam Leffler * for legacy rates. 676b032f27cSSam Leffler */ 677b032f27cSSam Leffler if (flags & IEEE80211_F_DOBRS) 678b032f27cSSam Leffler srs = (const struct ieee80211_rateset *) 679b032f27cSSam Leffler ieee80211_get_suphtrates(ic, ni->ni_chan); 680b032f27cSSam Leffler else 68141b3c790SSam Leffler srs = ieee80211_get_suprates(ic, ni->ni_chan); 682ef39d4beSSam Leffler for (i = 0; i < nrs->rs_nrates; ) { 6831a1e1d21SSam Leffler if (flags & IEEE80211_F_DOSORT) { 6841a1e1d21SSam Leffler /* 6851a1e1d21SSam Leffler * Sort rates. 6861a1e1d21SSam Leffler */ 6871a1e1d21SSam Leffler for (j = i + 1; j < nrs->rs_nrates; j++) { 6880ebe104fSAdrian Chadd if (IEEE80211_RV(nrs->rs_rates[i]) > 6890ebe104fSAdrian Chadd IEEE80211_RV(nrs->rs_rates[j])) { 6901a1e1d21SSam Leffler r = nrs->rs_rates[i]; 6911a1e1d21SSam Leffler nrs->rs_rates[i] = nrs->rs_rates[j]; 6921a1e1d21SSam Leffler nrs->rs_rates[j] = r; 6931a1e1d21SSam Leffler } 6941a1e1d21SSam Leffler } 6951a1e1d21SSam Leffler } 6961a1e1d21SSam Leffler r = nrs->rs_rates[i] & IEEE80211_RATE_VAL; 6971a1e1d21SSam Leffler badrate = r; 6981a1e1d21SSam Leffler /* 69968e8e04eSSam Leffler * Check for fixed rate. 7001a1e1d21SSam Leffler */ 701b032f27cSSam Leffler if (r == ucastrate) 7028a1b9b6aSSam Leffler fixedrate = r; 7031a1e1d21SSam Leffler /* 7041a1e1d21SSam Leffler * Check against supported rates. 7051a1e1d21SSam Leffler */ 70679edaebfSSam Leffler rix = findrix(srs, r); 70779edaebfSSam Leffler if (flags & IEEE80211_F_DONEGO) { 70879edaebfSSam Leffler if (rix < 0) { 709ef39d4beSSam Leffler /* 710ef39d4beSSam Leffler * A rate in the node's rate set is not 711ef39d4beSSam Leffler * supported. If this is a basic rate and we 71279edaebfSSam Leffler * are operating as a STA then this is an error. 713ef39d4beSSam Leffler * Otherwise we just discard/ignore the rate. 714ef39d4beSSam Leffler */ 71579edaebfSSam Leffler if ((flags & IEEE80211_F_JOIN) && 716ef39d4beSSam Leffler (nrs->rs_rates[i] & IEEE80211_RATE_BASIC)) 7171a1e1d21SSam Leffler error++; 71879edaebfSSam Leffler } else if ((flags & IEEE80211_F_JOIN) == 0) { 71979edaebfSSam Leffler /* 72079edaebfSSam Leffler * Overwrite with the supported rate 72179edaebfSSam Leffler * value so any basic rate bit is set. 72279edaebfSSam Leffler */ 72379edaebfSSam Leffler nrs->rs_rates[i] = srs->rs_rates[rix]; 7241a1e1d21SSam Leffler } 7251a1e1d21SSam Leffler } 72679edaebfSSam Leffler if ((flags & IEEE80211_F_DODEL) && rix < 0) { 7271a1e1d21SSam Leffler /* 7281a1e1d21SSam Leffler * Delete unacceptable rates. 7291a1e1d21SSam Leffler */ 7301a1e1d21SSam Leffler nrs->rs_nrates--; 7311a1e1d21SSam Leffler for (j = i; j < nrs->rs_nrates; j++) 7321a1e1d21SSam Leffler nrs->rs_rates[j] = nrs->rs_rates[j + 1]; 7331a1e1d21SSam Leffler nrs->rs_rates[j] = 0; 7341a1e1d21SSam Leffler continue; 7351a1e1d21SSam Leffler } 73679edaebfSSam Leffler if (rix >= 0) 7371a1e1d21SSam Leffler okrate = nrs->rs_rates[i]; 7381a1e1d21SSam Leffler i++; 7391a1e1d21SSam Leffler } 7408a1b9b6aSSam Leffler if (okrate == 0 || error != 0 || 741b032f27cSSam Leffler ((flags & (IEEE80211_F_DOFRATE|IEEE80211_F_DOFMCS)) && 742b032f27cSSam Leffler fixedrate != ucastrate)) { 743b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_XRATE | IEEE80211_MSG_11N, ni, 744b032f27cSSam Leffler "%s: flags 0x%x okrate %d error %d fixedrate 0x%x " 745b032f27cSSam Leffler "ucastrate %x\n", __func__, fixedrate, ucastrate, flags); 7461a1e1d21SSam Leffler return badrate | IEEE80211_RATE_BASIC; 747b032f27cSSam Leffler } else 7480ebe104fSAdrian Chadd return IEEE80211_RV(okrate); 7491a1e1d21SSam Leffler } 7501a1e1d21SSam Leffler 7518a1b9b6aSSam Leffler /* 7528a1b9b6aSSam Leffler * Reset 11g-related state. 7538a1b9b6aSSam Leffler */ 7548a1b9b6aSSam Leffler void 7558a1b9b6aSSam Leffler ieee80211_reset_erp(struct ieee80211com *ic) 7561a1e1d21SSam Leffler { 7578a1b9b6aSSam Leffler ic->ic_flags &= ~IEEE80211_F_USEPROT; 7588a1b9b6aSSam Leffler ic->ic_nonerpsta = 0; 7598a1b9b6aSSam Leffler ic->ic_longslotsta = 0; 7608a1b9b6aSSam Leffler /* 7618a1b9b6aSSam Leffler * Short slot time is enabled only when operating in 11g 7628a1b9b6aSSam Leffler * and not in an IBSS. We must also honor whether or not 7638a1b9b6aSSam Leffler * the driver is capable of doing it. 7648a1b9b6aSSam Leffler */ 7658a1b9b6aSSam Leffler ieee80211_set_shortslottime(ic, 76668e8e04eSSam Leffler IEEE80211_IS_CHAN_A(ic->ic_curchan) || 76768e8e04eSSam Leffler IEEE80211_IS_CHAN_HT(ic->ic_curchan) || 76868e8e04eSSam Leffler (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan) && 7698a1b9b6aSSam Leffler ic->ic_opmode == IEEE80211_M_HOSTAP && 7708a1b9b6aSSam Leffler (ic->ic_caps & IEEE80211_C_SHSLOT))); 7718a1b9b6aSSam Leffler /* 7728a1b9b6aSSam Leffler * Set short preamble and ERP barker-preamble flags. 7738a1b9b6aSSam Leffler */ 77468e8e04eSSam Leffler if (IEEE80211_IS_CHAN_A(ic->ic_curchan) || 7758a1b9b6aSSam Leffler (ic->ic_caps & IEEE80211_C_SHPREAMBLE)) { 7768a1b9b6aSSam Leffler ic->ic_flags |= IEEE80211_F_SHPREAMBLE; 7778a1b9b6aSSam Leffler ic->ic_flags &= ~IEEE80211_F_USEBARKER; 7788a1b9b6aSSam Leffler } else { 7798a1b9b6aSSam Leffler ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE; 7808a1b9b6aSSam Leffler ic->ic_flags |= IEEE80211_F_USEBARKER; 7818a1b9b6aSSam Leffler } 7828a1b9b6aSSam Leffler } 7838a1b9b6aSSam Leffler 7848a1b9b6aSSam Leffler /* 7858a1b9b6aSSam Leffler * Set the short slot time state and notify the driver. 7868a1b9b6aSSam Leffler */ 7878a1b9b6aSSam Leffler void 7888a1b9b6aSSam Leffler ieee80211_set_shortslottime(struct ieee80211com *ic, int onoff) 7898a1b9b6aSSam Leffler { 7908a1b9b6aSSam Leffler if (onoff) 7918a1b9b6aSSam Leffler ic->ic_flags |= IEEE80211_F_SHSLOT; 7928a1b9b6aSSam Leffler else 7938a1b9b6aSSam Leffler ic->ic_flags &= ~IEEE80211_F_SHSLOT; 7948a1b9b6aSSam Leffler /* notify driver */ 7958a1b9b6aSSam Leffler if (ic->ic_updateslot != NULL) 796272f6adeSGleb Smirnoff ic->ic_updateslot(ic); 7978a1b9b6aSSam Leffler } 7988a1b9b6aSSam Leffler 7998a1b9b6aSSam Leffler /* 8008a1b9b6aSSam Leffler * Check if the specified rate set supports ERP. 8018a1b9b6aSSam Leffler * NB: the rate set is assumed to be sorted. 8028a1b9b6aSSam Leffler */ 8038a1b9b6aSSam Leffler int 804b032f27cSSam Leffler ieee80211_iserp_rateset(const struct ieee80211_rateset *rs) 8058a1b9b6aSSam Leffler { 8068a1b9b6aSSam Leffler static const int rates[] = { 2, 4, 11, 22, 12, 24, 48 }; 8078a1b9b6aSSam Leffler int i, j; 8088a1b9b6aSSam Leffler 809a3e08d6fSRui Paulo if (rs->rs_nrates < nitems(rates)) 8108a1b9b6aSSam Leffler return 0; 811a3e08d6fSRui Paulo for (i = 0; i < nitems(rates); i++) { 8128a1b9b6aSSam Leffler for (j = 0; j < rs->rs_nrates; j++) { 8138a1b9b6aSSam Leffler int r = rs->rs_rates[j] & IEEE80211_RATE_VAL; 8148a1b9b6aSSam Leffler if (rates[i] == r) 8158a1b9b6aSSam Leffler goto next; 8168a1b9b6aSSam Leffler if (r > rates[i]) 8178a1b9b6aSSam Leffler return 0; 8188a1b9b6aSSam Leffler } 8198a1b9b6aSSam Leffler return 0; 8208a1b9b6aSSam Leffler next: 8218a1b9b6aSSam Leffler ; 8228a1b9b6aSSam Leffler } 8238a1b9b6aSSam Leffler return 1; 8248a1b9b6aSSam Leffler } 8258a1b9b6aSSam Leffler 8268a1b9b6aSSam Leffler /* 827b032f27cSSam Leffler * Mark the basic rates for the rate table based on the 8288a1b9b6aSSam Leffler * operating mode. For real 11g we mark all the 11b rates 8298a1b9b6aSSam Leffler * and 6, 12, and 24 OFDM. For 11b compatibility we mark only 8308a1b9b6aSSam Leffler * 11b rates. There's also a pseudo 11a-mode used to mark only 8318a1b9b6aSSam Leffler * the basic OFDM rates. 8328a1b9b6aSSam Leffler */ 833b032f27cSSam Leffler static void 834b032f27cSSam Leffler setbasicrates(struct ieee80211_rateset *rs, 835b032f27cSSam Leffler enum ieee80211_phymode mode, int add) 8368a1b9b6aSSam Leffler { 83768e8e04eSSam Leffler static const struct ieee80211_rateset basic[IEEE80211_MODE_MAX] = { 838be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 3, { 12, 24, 48 } }, 839be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 2, { 2, 4 } }, 840be0df3e7SSam Leffler /* NB: mixed b/g */ 841be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 4, { 2, 4, 11, 22 } }, 842be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A] = { 3, { 12, 24, 48 } }, 843be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G] = { 4, { 2, 4, 11, 22 } }, 844be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A] = { 3, { 12, 24, 48 } }, 8456a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 3, { 6, 12, 24 } }, 8466a76ae21SSam Leffler [IEEE80211_MODE_QUARTER] = { 3, { 3, 6, 12 } }, 847be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 3, { 12, 24, 48 } }, 848be0df3e7SSam Leffler /* NB: mixed b/g */ 849be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 4, { 2, 4, 11, 22 } }, 8508fde59a7SAdrian Chadd /* NB: mixed b/g */ 8518fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 4, { 2, 4, 11, 22 } }, 8528fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 3, { 12, 24, 48 } }, 8538a1b9b6aSSam Leffler }; 8548a1b9b6aSSam Leffler int i, j; 8558a1b9b6aSSam Leffler 8568a1b9b6aSSam Leffler for (i = 0; i < rs->rs_nrates; i++) { 857b032f27cSSam Leffler if (!add) 8588a1b9b6aSSam Leffler rs->rs_rates[i] &= IEEE80211_RATE_VAL; 8598a1b9b6aSSam Leffler for (j = 0; j < basic[mode].rs_nrates; j++) 8608a1b9b6aSSam Leffler if (basic[mode].rs_rates[j] == rs->rs_rates[i]) { 8618a1b9b6aSSam Leffler rs->rs_rates[i] |= IEEE80211_RATE_BASIC; 8628a1b9b6aSSam Leffler break; 8638a1b9b6aSSam Leffler } 8648a1b9b6aSSam Leffler } 8658a1b9b6aSSam Leffler } 8668a1b9b6aSSam Leffler 8678a1b9b6aSSam Leffler /* 868b032f27cSSam Leffler * Set the basic rates in a rate set. 869b032f27cSSam Leffler */ 870b032f27cSSam Leffler void 871b032f27cSSam Leffler ieee80211_setbasicrates(struct ieee80211_rateset *rs, 872b032f27cSSam Leffler enum ieee80211_phymode mode) 873b032f27cSSam Leffler { 874b032f27cSSam Leffler setbasicrates(rs, mode, 0); 875b032f27cSSam Leffler } 876b032f27cSSam Leffler 877b032f27cSSam Leffler /* 878b032f27cSSam Leffler * Add basic rates to a rate set. 879b032f27cSSam Leffler */ 880b032f27cSSam Leffler void 881b032f27cSSam Leffler ieee80211_addbasicrates(struct ieee80211_rateset *rs, 882b032f27cSSam Leffler enum ieee80211_phymode mode) 883b032f27cSSam Leffler { 884b032f27cSSam Leffler setbasicrates(rs, mode, 1); 885b032f27cSSam Leffler } 886b032f27cSSam Leffler 887b032f27cSSam Leffler /* 888b032f27cSSam Leffler * WME protocol support. 889b032f27cSSam Leffler * 890b032f27cSSam Leffler * The default 11a/b/g/n parameters come from the WiFi Alliance WMM 891b032f27cSSam Leffler * System Interopability Test Plan (v1.4, Appendix F) and the 802.11n 892b032f27cSSam Leffler * Draft 2.0 Test Plan (Appendix D). 893b032f27cSSam Leffler * 894b032f27cSSam Leffler * Static/Dynamic Turbo mode settings come from Atheros. 8958a1b9b6aSSam Leffler */ 8968a1b9b6aSSam Leffler typedef struct phyParamType { 89768e8e04eSSam Leffler uint8_t aifsn; 89868e8e04eSSam Leffler uint8_t logcwmin; 89968e8e04eSSam Leffler uint8_t logcwmax; 90068e8e04eSSam Leffler uint16_t txopLimit; 90168e8e04eSSam Leffler uint8_t acm; 9028a1b9b6aSSam Leffler } paramType; 9038a1b9b6aSSam Leffler 9048a1b9b6aSSam Leffler static const struct phyParamType phyParamForAC_BE[IEEE80211_MODE_MAX] = { 905be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 3, 4, 6, 0, 0 }, 906be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 3, 4, 6, 0, 0 }, 907be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 3, 4, 6, 0, 0 }, 908be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 3, 4, 6, 0, 0 }, 909be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 3, 4, 6, 0, 0 }, 910be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 2, 3, 5, 0, 0 }, 911be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 2, 3, 5, 0, 0 }, 912be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 2, 3, 5, 0, 0 }, 9136a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 3, 4, 6, 0, 0 }, 9146a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 3, 4, 6, 0, 0 }, 915be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 3, 4, 6, 0, 0 }, 916be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 3, 4, 6, 0, 0 }, 9178fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 3, 4, 6, 0, 0 }, 9188fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 3, 4, 6, 0, 0 }, 9198a1b9b6aSSam Leffler }; 9208a1b9b6aSSam Leffler static const struct phyParamType phyParamForAC_BK[IEEE80211_MODE_MAX] = { 921be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 7, 4, 10, 0, 0 }, 922be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 7, 4, 10, 0, 0 }, 923be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 7, 4, 10, 0, 0 }, 924be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 7, 4, 10, 0, 0 }, 925be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 7, 4, 10, 0, 0 }, 926be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 7, 3, 10, 0, 0 }, 927be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 7, 3, 10, 0, 0 }, 928be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 7, 3, 10, 0, 0 }, 9296a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 7, 4, 10, 0, 0 }, 9306a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 7, 4, 10, 0, 0 }, 931be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 7, 4, 10, 0, 0 }, 932be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 7, 4, 10, 0, 0 }, 9338fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 7, 4, 10, 0, 0 }, 9348fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 7, 4, 10, 0, 0 }, 9358a1b9b6aSSam Leffler }; 9368a1b9b6aSSam Leffler static const struct phyParamType phyParamForAC_VI[IEEE80211_MODE_MAX] = { 937be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 1, 3, 4, 94, 0 }, 938be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 1, 3, 4, 94, 0 }, 939be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 1, 3, 4, 188, 0 }, 940be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 1, 3, 4, 94, 0 }, 941be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 1, 3, 4, 188, 0 }, 942be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 1, 2, 3, 94, 0 }, 943be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 1, 2, 3, 94, 0 }, 944be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 1, 2, 3, 94, 0 }, 9456a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 1, 3, 4, 94, 0 }, 9466a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 1, 3, 4, 94, 0 }, 947be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 1, 3, 4, 94, 0 }, 948be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 1, 3, 4, 94, 0 }, 9498fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 1, 3, 4, 94, 0 }, 9508fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 1, 3, 4, 94, 0 }, 9518a1b9b6aSSam Leffler }; 9528a1b9b6aSSam Leffler static const struct phyParamType phyParamForAC_VO[IEEE80211_MODE_MAX] = { 953be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 1, 2, 3, 47, 0 }, 954be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 1, 2, 3, 47, 0 }, 955be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 1, 2, 3, 102, 0 }, 956be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 1, 2, 3, 47, 0 }, 957be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 1, 2, 3, 102, 0 }, 958be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 1, 2, 2, 47, 0 }, 959be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 1, 2, 2, 47, 0 }, 960be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 1, 2, 2, 47, 0 }, 9616a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 1, 2, 3, 47, 0 }, 9626a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 1, 2, 3, 47, 0 }, 963be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 1, 2, 3, 47, 0 }, 964be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 1, 2, 3, 47, 0 }, 9658fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 1, 2, 3, 47, 0 }, 9668fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 1, 2, 3, 47, 0 }, 9678a1b9b6aSSam Leffler }; 9688a1b9b6aSSam Leffler 9698a1b9b6aSSam Leffler static const struct phyParamType bssPhyParamForAC_BE[IEEE80211_MODE_MAX] = { 970be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 3, 4, 10, 0, 0 }, 971be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 3, 4, 10, 0, 0 }, 972be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 3, 4, 10, 0, 0 }, 973be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 3, 4, 10, 0, 0 }, 974be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 3, 4, 10, 0, 0 }, 975be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 2, 3, 10, 0, 0 }, 976be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 2, 3, 10, 0, 0 }, 977be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 2, 3, 10, 0, 0 }, 9786a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 3, 4, 10, 0, 0 }, 9796a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 3, 4, 10, 0, 0 }, 980be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 3, 4, 10, 0, 0 }, 981be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 3, 4, 10, 0, 0 }, 9828a1b9b6aSSam Leffler }; 9838a1b9b6aSSam Leffler static const struct phyParamType bssPhyParamForAC_VI[IEEE80211_MODE_MAX] = { 984be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 2, 3, 4, 94, 0 }, 985be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 2, 3, 4, 94, 0 }, 986be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 2, 3, 4, 188, 0 }, 987be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 2, 3, 4, 94, 0 }, 988be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 2, 3, 4, 188, 0 }, 989be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 2, 2, 3, 94, 0 }, 990be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 2, 2, 3, 94, 0 }, 991be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 2, 2, 3, 94, 0 }, 9926a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 2, 3, 4, 94, 0 }, 9936a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 2, 3, 4, 94, 0 }, 994be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 2, 3, 4, 94, 0 }, 995be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 2, 3, 4, 94, 0 }, 9968a1b9b6aSSam Leffler }; 9978a1b9b6aSSam Leffler static const struct phyParamType bssPhyParamForAC_VO[IEEE80211_MODE_MAX] = { 998be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 2, 2, 3, 47, 0 }, 999be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 2, 2, 3, 47, 0 }, 1000be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 2, 2, 3, 102, 0 }, 1001be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 2, 2, 3, 47, 0 }, 1002be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 2, 2, 3, 102, 0 }, 1003be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A]= { 1, 2, 2, 47, 0 }, 1004be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G]= { 1, 2, 2, 47, 0 }, 1005be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A]={ 1, 2, 2, 47, 0 }, 10066a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 2, 2, 3, 47, 0 }, 10076a76ae21SSam Leffler [IEEE80211_MODE_QUARTER]= { 2, 2, 3, 47, 0 }, 1008be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 2, 2, 3, 47, 0 }, 1009be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 2, 2, 3, 47, 0 }, 10108a1b9b6aSSam Leffler }; 10118a1b9b6aSSam Leffler 1012b032f27cSSam Leffler static void 101367ce310aSSam Leffler _setifsparams(struct wmeParams *wmep, const paramType *phy) 101467ce310aSSam Leffler { 101567ce310aSSam Leffler wmep->wmep_aifsn = phy->aifsn; 101667ce310aSSam Leffler wmep->wmep_logcwmin = phy->logcwmin; 101767ce310aSSam Leffler wmep->wmep_logcwmax = phy->logcwmax; 101867ce310aSSam Leffler wmep->wmep_txopLimit = phy->txopLimit; 101967ce310aSSam Leffler } 102067ce310aSSam Leffler 102167ce310aSSam Leffler static void 102267ce310aSSam Leffler setwmeparams(struct ieee80211vap *vap, const char *type, int ac, 102367ce310aSSam Leffler struct wmeParams *wmep, const paramType *phy) 102467ce310aSSam Leffler { 102567ce310aSSam Leffler wmep->wmep_acm = phy->acm; 102667ce310aSSam Leffler _setifsparams(wmep, phy); 102767ce310aSSam Leffler 102867ce310aSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_WME, 102967ce310aSSam Leffler "set %s (%s) [acm %u aifsn %u logcwmin %u logcwmax %u txop %u]\n", 103067ce310aSSam Leffler ieee80211_wme_acnames[ac], type, 103167ce310aSSam Leffler wmep->wmep_acm, wmep->wmep_aifsn, wmep->wmep_logcwmin, 103267ce310aSSam Leffler wmep->wmep_logcwmax, wmep->wmep_txopLimit); 103367ce310aSSam Leffler } 103467ce310aSSam Leffler 103567ce310aSSam Leffler static void 1036b032f27cSSam Leffler ieee80211_wme_initparams_locked(struct ieee80211vap *vap) 10378a1b9b6aSSam Leffler { 1038b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 10398a1b9b6aSSam Leffler struct ieee80211_wme_state *wme = &ic->ic_wme; 10408a1b9b6aSSam Leffler const paramType *pPhyParam, *pBssPhyParam; 10418a1b9b6aSSam Leffler struct wmeParams *wmep; 104268e8e04eSSam Leffler enum ieee80211_phymode mode; 10438a1b9b6aSSam Leffler int i; 10448a1b9b6aSSam Leffler 1045b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1046b032f27cSSam Leffler 1047a4b3c7a5SSam Leffler if ((ic->ic_caps & IEEE80211_C_WME) == 0 || ic->ic_nrunning > 1) 10488a1b9b6aSSam Leffler return; 10498a1b9b6aSSam Leffler 105068e8e04eSSam Leffler /* 10510d4e4e5eSAdrian Chadd * Clear the wme cap_info field so a qoscount from a previous 10520d4e4e5eSAdrian Chadd * vap doesn't confuse later code which only parses the beacon 10530d4e4e5eSAdrian Chadd * field and updates hardware when said field changes. 10540d4e4e5eSAdrian Chadd * Otherwise the hardware is programmed with defaults, not what 10550d4e4e5eSAdrian Chadd * the beacon actually announces. 10560d4e4e5eSAdrian Chadd */ 10570d4e4e5eSAdrian Chadd wme->wme_wmeChanParams.cap_info = 0; 10580d4e4e5eSAdrian Chadd 10590d4e4e5eSAdrian Chadd /* 106068e8e04eSSam Leffler * Select mode; we can be called early in which case we 106168e8e04eSSam Leffler * always use auto mode. We know we'll be called when 106268e8e04eSSam Leffler * entering the RUN state with bsschan setup properly 106368e8e04eSSam Leffler * so state will eventually get set correctly 106468e8e04eSSam Leffler */ 106568e8e04eSSam Leffler if (ic->ic_bsschan != IEEE80211_CHAN_ANYC) 106668e8e04eSSam Leffler mode = ieee80211_chan2mode(ic->ic_bsschan); 106768e8e04eSSam Leffler else 106868e8e04eSSam Leffler mode = IEEE80211_MODE_AUTO; 10698a1b9b6aSSam Leffler for (i = 0; i < WME_NUM_AC; i++) { 10708a1b9b6aSSam Leffler switch (i) { 10718a1b9b6aSSam Leffler case WME_AC_BK: 107268e8e04eSSam Leffler pPhyParam = &phyParamForAC_BK[mode]; 107368e8e04eSSam Leffler pBssPhyParam = &phyParamForAC_BK[mode]; 10748a1b9b6aSSam Leffler break; 10758a1b9b6aSSam Leffler case WME_AC_VI: 107668e8e04eSSam Leffler pPhyParam = &phyParamForAC_VI[mode]; 107768e8e04eSSam Leffler pBssPhyParam = &bssPhyParamForAC_VI[mode]; 10788a1b9b6aSSam Leffler break; 10798a1b9b6aSSam Leffler case WME_AC_VO: 108068e8e04eSSam Leffler pPhyParam = &phyParamForAC_VO[mode]; 108168e8e04eSSam Leffler pBssPhyParam = &bssPhyParamForAC_VO[mode]; 10828a1b9b6aSSam Leffler break; 10838a1b9b6aSSam Leffler case WME_AC_BE: 10848a1b9b6aSSam Leffler default: 108568e8e04eSSam Leffler pPhyParam = &phyParamForAC_BE[mode]; 108668e8e04eSSam Leffler pBssPhyParam = &bssPhyParamForAC_BE[mode]; 10878a1b9b6aSSam Leffler break; 10888a1b9b6aSSam Leffler } 10898a1b9b6aSSam Leffler wmep = &wme->wme_wmeChanParams.cap_wmeParams[i]; 10908a1b9b6aSSam Leffler if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 109167ce310aSSam Leffler setwmeparams(vap, "chan", i, wmep, pPhyParam); 10928a1b9b6aSSam Leffler } else { 109367ce310aSSam Leffler setwmeparams(vap, "chan", i, wmep, pBssPhyParam); 10948a1b9b6aSSam Leffler } 10958a1b9b6aSSam Leffler wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i]; 109667ce310aSSam Leffler setwmeparams(vap, "bss ", i, wmep, pBssPhyParam); 10978a1b9b6aSSam Leffler } 10988a1b9b6aSSam Leffler /* NB: check ic_bss to avoid NULL deref on initial attach */ 1099b032f27cSSam Leffler if (vap->iv_bss != NULL) { 11008a1b9b6aSSam Leffler /* 1101a4641f4eSPedro F. Giffuni * Calculate aggressive mode switching threshold based 11028a1b9b6aSSam Leffler * on beacon interval. This doesn't need locking since 11038a1b9b6aSSam Leffler * we're only called before entering the RUN state at 11048a1b9b6aSSam Leffler * which point we start sending beacon frames. 11058a1b9b6aSSam Leffler */ 11068a1b9b6aSSam Leffler wme->wme_hipri_switch_thresh = 1107b032f27cSSam Leffler (HIGH_PRI_SWITCH_THRESH * vap->iv_bss->ni_intval) / 100; 1108a4b3c7a5SSam Leffler wme->wme_flags &= ~WME_F_AGGRMODE; 1109b032f27cSSam Leffler ieee80211_wme_updateparams(vap); 11108a1b9b6aSSam Leffler } 11118a1b9b6aSSam Leffler } 11128a1b9b6aSSam Leffler 1113b032f27cSSam Leffler void 1114b032f27cSSam Leffler ieee80211_wme_initparams(struct ieee80211vap *vap) 1115b032f27cSSam Leffler { 1116b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1117b032f27cSSam Leffler 1118b032f27cSSam Leffler IEEE80211_LOCK(ic); 1119b032f27cSSam Leffler ieee80211_wme_initparams_locked(vap); 1120b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 1121b032f27cSSam Leffler } 1122b032f27cSSam Leffler 11238a1b9b6aSSam Leffler /* 11248a1b9b6aSSam Leffler * Update WME parameters for ourself and the BSS. 11258a1b9b6aSSam Leffler */ 11268a1b9b6aSSam Leffler void 1127b032f27cSSam Leffler ieee80211_wme_updateparams_locked(struct ieee80211vap *vap) 11288a1b9b6aSSam Leffler { 112967ce310aSSam Leffler static const paramType aggrParam[IEEE80211_MODE_MAX] = { 1130be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = { 2, 4, 10, 64, 0 }, 1131be0df3e7SSam Leffler [IEEE80211_MODE_11A] = { 2, 4, 10, 64, 0 }, 1132be0df3e7SSam Leffler [IEEE80211_MODE_11B] = { 2, 5, 10, 64, 0 }, 1133be0df3e7SSam Leffler [IEEE80211_MODE_11G] = { 2, 4, 10, 64, 0 }, 1134be0df3e7SSam Leffler [IEEE80211_MODE_FH] = { 2, 5, 10, 64, 0 }, 1135be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A] = { 1, 3, 10, 64, 0 }, 1136be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G] = { 1, 3, 10, 64, 0 }, 1137be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A] = { 1, 3, 10, 64, 0 }, 11386a76ae21SSam Leffler [IEEE80211_MODE_HALF] = { 2, 4, 10, 64, 0 }, 11396a76ae21SSam Leffler [IEEE80211_MODE_QUARTER] = { 2, 4, 10, 64, 0 }, 1140be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ 1141be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ 11428fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ 11438fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ 11448a1b9b6aSSam Leffler }; 1145b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 11468a1b9b6aSSam Leffler struct ieee80211_wme_state *wme = &ic->ic_wme; 11478a1b9b6aSSam Leffler const struct wmeParams *wmep; 11488a1b9b6aSSam Leffler struct wmeParams *chanp, *bssp; 114968e8e04eSSam Leffler enum ieee80211_phymode mode; 11508a1b9b6aSSam Leffler int i; 1151a48a8ad7SAdrian Chadd int do_aggrmode = 0; 11528a1b9b6aSSam Leffler 115367ce310aSSam Leffler /* 115467ce310aSSam Leffler * Set up the channel access parameters for the physical 115567ce310aSSam Leffler * device. First populate the configured settings. 115667ce310aSSam Leffler */ 11578a1b9b6aSSam Leffler for (i = 0; i < WME_NUM_AC; i++) { 11588a1b9b6aSSam Leffler chanp = &wme->wme_chanParams.cap_wmeParams[i]; 11598a1b9b6aSSam Leffler wmep = &wme->wme_wmeChanParams.cap_wmeParams[i]; 11608a1b9b6aSSam Leffler chanp->wmep_aifsn = wmep->wmep_aifsn; 11618a1b9b6aSSam Leffler chanp->wmep_logcwmin = wmep->wmep_logcwmin; 11628a1b9b6aSSam Leffler chanp->wmep_logcwmax = wmep->wmep_logcwmax; 11638a1b9b6aSSam Leffler chanp->wmep_txopLimit = wmep->wmep_txopLimit; 11648a1b9b6aSSam Leffler 11658a1b9b6aSSam Leffler chanp = &wme->wme_bssChanParams.cap_wmeParams[i]; 11668a1b9b6aSSam Leffler wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[i]; 11678a1b9b6aSSam Leffler chanp->wmep_aifsn = wmep->wmep_aifsn; 11688a1b9b6aSSam Leffler chanp->wmep_logcwmin = wmep->wmep_logcwmin; 11698a1b9b6aSSam Leffler chanp->wmep_logcwmax = wmep->wmep_logcwmax; 11708a1b9b6aSSam Leffler chanp->wmep_txopLimit = wmep->wmep_txopLimit; 11718a1b9b6aSSam Leffler } 11728a1b9b6aSSam Leffler 11738a1b9b6aSSam Leffler /* 117468e8e04eSSam Leffler * Select mode; we can be called early in which case we 117568e8e04eSSam Leffler * always use auto mode. We know we'll be called when 117668e8e04eSSam Leffler * entering the RUN state with bsschan setup properly 117768e8e04eSSam Leffler * so state will eventually get set correctly 117868e8e04eSSam Leffler */ 117968e8e04eSSam Leffler if (ic->ic_bsschan != IEEE80211_CHAN_ANYC) 118068e8e04eSSam Leffler mode = ieee80211_chan2mode(ic->ic_bsschan); 118168e8e04eSSam Leffler else 118268e8e04eSSam Leffler mode = IEEE80211_MODE_AUTO; 118368e8e04eSSam Leffler 118468e8e04eSSam Leffler /* 1185a4641f4eSPedro F. Giffuni * This implements aggressive mode as found in certain 11868a1b9b6aSSam Leffler * vendors' AP's. When there is significant high 11878a1b9b6aSSam Leffler * priority (VI/VO) traffic in the BSS throttle back BE 11888a1b9b6aSSam Leffler * traffic by using conservative parameters. Otherwise 1189a4641f4eSPedro F. Giffuni * BE uses aggressive params to optimize performance of 11908a1b9b6aSSam Leffler * legacy/non-QoS traffic. 11918a1b9b6aSSam Leffler */ 1192a48a8ad7SAdrian Chadd 1193a48a8ad7SAdrian Chadd /* Hostap? Only if aggressive mode is enabled */ 1194a48a8ad7SAdrian Chadd if (vap->iv_opmode == IEEE80211_M_HOSTAP && 1195a48a8ad7SAdrian Chadd (wme->wme_flags & WME_F_AGGRMODE) != 0) 1196a48a8ad7SAdrian Chadd do_aggrmode = 1; 1197a48a8ad7SAdrian Chadd 1198a48a8ad7SAdrian Chadd /* 1199a48a8ad7SAdrian Chadd * Station? Only if we're in a non-QoS BSS. 1200a48a8ad7SAdrian Chadd */ 1201a48a8ad7SAdrian Chadd else if ((vap->iv_opmode == IEEE80211_M_STA && 1202a48a8ad7SAdrian Chadd (vap->iv_bss->ni_flags & IEEE80211_NODE_QOS) == 0)) 1203a48a8ad7SAdrian Chadd do_aggrmode = 1; 1204a48a8ad7SAdrian Chadd 1205a48a8ad7SAdrian Chadd /* 1206a48a8ad7SAdrian Chadd * IBSS? Only if we we have WME enabled. 1207a48a8ad7SAdrian Chadd */ 1208a48a8ad7SAdrian Chadd else if ((vap->iv_opmode == IEEE80211_M_IBSS) && 1209a48a8ad7SAdrian Chadd (vap->iv_flags & IEEE80211_F_WME)) 1210a48a8ad7SAdrian Chadd do_aggrmode = 1; 1211a48a8ad7SAdrian Chadd 1212a48a8ad7SAdrian Chadd /* 1213a48a8ad7SAdrian Chadd * If WME is disabled on this VAP, default to aggressive mode 1214a48a8ad7SAdrian Chadd * regardless of the configuration. 1215a48a8ad7SAdrian Chadd */ 1216a48a8ad7SAdrian Chadd if ((vap->iv_flags & IEEE80211_F_WME) == 0) 1217a48a8ad7SAdrian Chadd do_aggrmode = 1; 1218a48a8ad7SAdrian Chadd 1219a48a8ad7SAdrian Chadd /* XXX WDS? */ 1220a48a8ad7SAdrian Chadd 1221a48a8ad7SAdrian Chadd /* XXX MBSS? */ 1222a48a8ad7SAdrian Chadd 1223a48a8ad7SAdrian Chadd if (do_aggrmode) { 12248a1b9b6aSSam Leffler chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE]; 12258a1b9b6aSSam Leffler bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE]; 12268a1b9b6aSSam Leffler 122767ce310aSSam Leffler chanp->wmep_aifsn = bssp->wmep_aifsn = aggrParam[mode].aifsn; 12288a1b9b6aSSam Leffler chanp->wmep_logcwmin = bssp->wmep_logcwmin = 122967ce310aSSam Leffler aggrParam[mode].logcwmin; 12308a1b9b6aSSam Leffler chanp->wmep_logcwmax = bssp->wmep_logcwmax = 123167ce310aSSam Leffler aggrParam[mode].logcwmax; 12328a1b9b6aSSam Leffler chanp->wmep_txopLimit = bssp->wmep_txopLimit = 1233b032f27cSSam Leffler (vap->iv_flags & IEEE80211_F_BURST) ? 123467ce310aSSam Leffler aggrParam[mode].txopLimit : 0; 1235b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_WME, 123667ce310aSSam Leffler "update %s (chan+bss) [acm %u aifsn %u logcwmin %u " 123767ce310aSSam Leffler "logcwmax %u txop %u]\n", ieee80211_wme_acnames[WME_AC_BE], 123867ce310aSSam Leffler chanp->wmep_acm, chanp->wmep_aifsn, chanp->wmep_logcwmin, 123967ce310aSSam Leffler chanp->wmep_logcwmax, chanp->wmep_txopLimit); 12408a1b9b6aSSam Leffler } 12418a1b9b6aSSam Leffler 1242a48a8ad7SAdrian Chadd 1243a48a8ad7SAdrian Chadd /* 1244a48a8ad7SAdrian Chadd * Change the contention window based on the number of associated 1245a48a8ad7SAdrian Chadd * stations. If the number of associated stations is 1 and 1246a48a8ad7SAdrian Chadd * aggressive mode is enabled, lower the contention window even 1247a48a8ad7SAdrian Chadd * further. 1248a48a8ad7SAdrian Chadd */ 1249b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP && 1250ad262427SSam Leffler ic->ic_sta_assoc < 2 && (wme->wme_flags & WME_F_AGGRMODE) != 0) { 125168e8e04eSSam Leffler static const uint8_t logCwMin[IEEE80211_MODE_MAX] = { 1252be0df3e7SSam Leffler [IEEE80211_MODE_AUTO] = 3, 1253be0df3e7SSam Leffler [IEEE80211_MODE_11A] = 3, 1254be0df3e7SSam Leffler [IEEE80211_MODE_11B] = 4, 1255be0df3e7SSam Leffler [IEEE80211_MODE_11G] = 3, 1256be0df3e7SSam Leffler [IEEE80211_MODE_FH] = 4, 1257be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_A] = 3, 1258be0df3e7SSam Leffler [IEEE80211_MODE_TURBO_G] = 3, 1259be0df3e7SSam Leffler [IEEE80211_MODE_STURBO_A] = 3, 12606a76ae21SSam Leffler [IEEE80211_MODE_HALF] = 3, 12616a76ae21SSam Leffler [IEEE80211_MODE_QUARTER] = 3, 1262be0df3e7SSam Leffler [IEEE80211_MODE_11NA] = 3, 1263be0df3e7SSam Leffler [IEEE80211_MODE_11NG] = 3, 12648fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_2GHZ] = 3, 12658fde59a7SAdrian Chadd [IEEE80211_MODE_VHT_5GHZ] = 3, 12668a1b9b6aSSam Leffler }; 12678a1b9b6aSSam Leffler chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE]; 12688a1b9b6aSSam Leffler bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE]; 12698a1b9b6aSSam Leffler 127068e8e04eSSam Leffler chanp->wmep_logcwmin = bssp->wmep_logcwmin = logCwMin[mode]; 1271b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_WME, 127267ce310aSSam Leffler "update %s (chan+bss) logcwmin %u\n", 127367ce310aSSam Leffler ieee80211_wme_acnames[WME_AC_BE], chanp->wmep_logcwmin); 12748a1b9b6aSSam Leffler } 1275a48a8ad7SAdrian Chadd 1276a48a8ad7SAdrian Chadd /* 1277a48a8ad7SAdrian Chadd * Arrange for the beacon update. 1278a48a8ad7SAdrian Chadd * 1279a48a8ad7SAdrian Chadd * XXX what about MBSS, WDS? 1280a48a8ad7SAdrian Chadd */ 1281a48a8ad7SAdrian Chadd if (vap->iv_opmode == IEEE80211_M_HOSTAP 1282a48a8ad7SAdrian Chadd || vap->iv_opmode == IEEE80211_M_IBSS) { 12838a1b9b6aSSam Leffler /* 12848a1b9b6aSSam Leffler * Arrange for a beacon update and bump the parameter 12858a1b9b6aSSam Leffler * set number so associated stations load the new values. 12868a1b9b6aSSam Leffler */ 12878a1b9b6aSSam Leffler wme->wme_bssChanParams.cap_info = 12888a1b9b6aSSam Leffler (wme->wme_bssChanParams.cap_info+1) & WME_QOSINFO_COUNT; 1289b032f27cSSam Leffler ieee80211_beacon_notify(vap, IEEE80211_BEACON_WME); 12908a1b9b6aSSam Leffler } 12918a1b9b6aSSam Leffler 1292dd2fb488SAdrian Chadd /* schedule the deferred WME update */ 1293e3e94c96SAdrian Chadd ieee80211_runtask(ic, &vap->iv_wme_task); 12948a1b9b6aSSam Leffler 1295b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_WME, 12968a1b9b6aSSam Leffler "%s: WME params updated, cap_info 0x%x\n", __func__, 1297b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA ? 12988a1b9b6aSSam Leffler wme->wme_wmeChanParams.cap_info : 12998a1b9b6aSSam Leffler wme->wme_bssChanParams.cap_info); 13008a1b9b6aSSam Leffler } 13018a1b9b6aSSam Leffler 13028a1b9b6aSSam Leffler void 1303b032f27cSSam Leffler ieee80211_wme_updateparams(struct ieee80211vap *vap) 13048a1b9b6aSSam Leffler { 1305b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 13068a1b9b6aSSam Leffler 13078a1b9b6aSSam Leffler if (ic->ic_caps & IEEE80211_C_WME) { 1308b032f27cSSam Leffler IEEE80211_LOCK(ic); 1309b032f27cSSam Leffler ieee80211_wme_updateparams_locked(vap); 1310b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 13118a1b9b6aSSam Leffler } 13128a1b9b6aSSam Leffler } 13138a1b9b6aSSam Leffler 13140c696036SAdrian Chadd /* 13150c696036SAdrian Chadd * Fetch the WME parameters for the given VAP. 13160c696036SAdrian Chadd * 13170c696036SAdrian Chadd * When net80211 grows p2p, etc support, this may return different 13180c696036SAdrian Chadd * parameters for each VAP. 13190c696036SAdrian Chadd */ 1320d03baf35SAdrian Chadd void 1321d03baf35SAdrian Chadd ieee80211_wme_vap_getparams(struct ieee80211vap *vap, struct chanAccParams *wp) 1322d03baf35SAdrian Chadd { 1323d03baf35SAdrian Chadd 1324d03baf35SAdrian Chadd memcpy(wp, &vap->iv_ic->ic_wme.wme_chanParams, sizeof(*wp)); 1325d03baf35SAdrian Chadd } 1326d03baf35SAdrian Chadd 13270c696036SAdrian Chadd /* 13280c696036SAdrian Chadd * For NICs which only support one set of WME paramaters (ie, softmac NICs) 13290c696036SAdrian Chadd * there may be different VAP WME parameters but only one is "active". 13300c696036SAdrian Chadd * This returns the "NIC" WME parameters for the currently active 13310c696036SAdrian Chadd * context. 13320c696036SAdrian Chadd */ 1333d03baf35SAdrian Chadd void 1334d03baf35SAdrian Chadd ieee80211_wme_ic_getparams(struct ieee80211com *ic, struct chanAccParams *wp) 1335d03baf35SAdrian Chadd { 1336d03baf35SAdrian Chadd 1337d03baf35SAdrian Chadd memcpy(wp, &ic->ic_wme.wme_chanParams, sizeof(*wp)); 1338d03baf35SAdrian Chadd } 1339d03baf35SAdrian Chadd 13400c696036SAdrian Chadd /* 13410c696036SAdrian Chadd * Return whether to use QoS on a given WME queue. 13420c696036SAdrian Chadd * 13430c696036SAdrian Chadd * This is intended to be called from the transmit path of softmac drivers 13440c696036SAdrian Chadd * which are setting NoAck bits in transmit descriptors. 13450c696036SAdrian Chadd * 13460c696036SAdrian Chadd * Ideally this would be set in some transmit field before the packet is 13470c696036SAdrian Chadd * queued to the driver but net80211 isn't quite there yet. 13480c696036SAdrian Chadd */ 13490c696036SAdrian Chadd int 13500c696036SAdrian Chadd ieee80211_wme_vap_ac_is_noack(struct ieee80211vap *vap, int ac) 13510c696036SAdrian Chadd { 13520c696036SAdrian Chadd /* Bounds/sanity check */ 13530c696036SAdrian Chadd if (ac < 0 || ac >= WME_NUM_AC) 13540c696036SAdrian Chadd return (0); 13550c696036SAdrian Chadd 13560c696036SAdrian Chadd /* Again, there's only one global context for now */ 13570c696036SAdrian Chadd return (!! vap->iv_ic->ic_wme.wme_chanParams.cap_wmeParams[ac].wmep_noackPolicy); 13580c696036SAdrian Chadd } 13590c696036SAdrian Chadd 1360b032f27cSSam Leffler static void 1361b032f27cSSam Leffler parent_updown(void *arg, int npending) 136268e8e04eSSam Leffler { 13637a79cebfSGleb Smirnoff struct ieee80211com *ic = arg; 136468e8e04eSSam Leffler 13657a79cebfSGleb Smirnoff ic->ic_parent(ic); 1366b032f27cSSam Leffler } 136768e8e04eSSam Leffler 13685efea30fSAndrew Thompson static void 13695efea30fSAndrew Thompson update_mcast(void *arg, int npending) 13705efea30fSAndrew Thompson { 13715efea30fSAndrew Thompson struct ieee80211com *ic = arg; 13725efea30fSAndrew Thompson 1373272f6adeSGleb Smirnoff ic->ic_update_mcast(ic); 13745efea30fSAndrew Thompson } 13755efea30fSAndrew Thompson 13765efea30fSAndrew Thompson static void 13775efea30fSAndrew Thompson update_promisc(void *arg, int npending) 13785efea30fSAndrew Thompson { 13795efea30fSAndrew Thompson struct ieee80211com *ic = arg; 13805efea30fSAndrew Thompson 1381272f6adeSGleb Smirnoff ic->ic_update_promisc(ic); 13825efea30fSAndrew Thompson } 13835efea30fSAndrew Thompson 13845efea30fSAndrew Thompson static void 13855efea30fSAndrew Thompson update_channel(void *arg, int npending) 13865efea30fSAndrew Thompson { 13875efea30fSAndrew Thompson struct ieee80211com *ic = arg; 13885efea30fSAndrew Thompson 13895efea30fSAndrew Thompson ic->ic_set_channel(ic); 13905463c4a4SSam Leffler ieee80211_radiotap_chan_change(ic); 13915efea30fSAndrew Thompson } 13925efea30fSAndrew Thompson 1393b94299c4SAdrian Chadd static void 1394b94299c4SAdrian Chadd update_chw(void *arg, int npending) 1395b94299c4SAdrian Chadd { 1396b94299c4SAdrian Chadd struct ieee80211com *ic = arg; 1397b94299c4SAdrian Chadd 1398b94299c4SAdrian Chadd /* 1399b94299c4SAdrian Chadd * XXX should we defer the channel width _config_ update until now? 1400b94299c4SAdrian Chadd */ 1401b94299c4SAdrian Chadd ic->ic_update_chw(ic); 1402b94299c4SAdrian Chadd } 1403b94299c4SAdrian Chadd 1404dd2fb488SAdrian Chadd /* 1405e3e94c96SAdrian Chadd * Deferred WME update. 1406e3e94c96SAdrian Chadd * 1407e3e94c96SAdrian Chadd * In preparation for per-VAP WME configuration, call the VAP 1408e3e94c96SAdrian Chadd * method if the VAP requires it. Otherwise, just call the 1409e3e94c96SAdrian Chadd * older global method. There isn't a per-VAP WME configuration 1410e3e94c96SAdrian Chadd * just yet so for now just use the global configuration. 1411dd2fb488SAdrian Chadd */ 1412e3e94c96SAdrian Chadd static void 1413e3e94c96SAdrian Chadd vap_update_wme(void *arg, int npending) 1414e3e94c96SAdrian Chadd { 1415e3e94c96SAdrian Chadd struct ieee80211vap *vap = arg; 1416e3e94c96SAdrian Chadd struct ieee80211com *ic = vap->iv_ic; 1417e3e94c96SAdrian Chadd 1418e3e94c96SAdrian Chadd if (vap->iv_wme_update != NULL) 1419e3e94c96SAdrian Chadd vap->iv_wme_update(vap, 1420e3e94c96SAdrian Chadd ic->ic_wme.wme_chanParams.cap_wmeParams); 1421e3e94c96SAdrian Chadd else 1422dd2fb488SAdrian Chadd ic->ic_wme.wme_update(ic); 1423dd2fb488SAdrian Chadd } 1424dd2fb488SAdrian Chadd 14254061c639SAndriy Voskoboinyk static void 14264061c639SAndriy Voskoboinyk restart_vaps(void *arg, int npending) 14274061c639SAndriy Voskoboinyk { 14284061c639SAndriy Voskoboinyk struct ieee80211com *ic = arg; 14294061c639SAndriy Voskoboinyk 14304061c639SAndriy Voskoboinyk ieee80211_suspend_all(ic); 14314061c639SAndriy Voskoboinyk ieee80211_resume_all(ic); 14324061c639SAndriy Voskoboinyk } 14334061c639SAndriy Voskoboinyk 143468e8e04eSSam Leffler /* 1435ae55932eSAndrew Thompson * Block until the parent is in a known state. This is 1436ae55932eSAndrew Thompson * used after any operations that dispatch a task (e.g. 1437ae55932eSAndrew Thompson * to auto-configure the parent device up/down). 1438ae55932eSAndrew Thompson */ 1439ae55932eSAndrew Thompson void 1440ae55932eSAndrew Thompson ieee80211_waitfor_parent(struct ieee80211com *ic) 1441ae55932eSAndrew Thompson { 14425efea30fSAndrew Thompson taskqueue_block(ic->ic_tq); 14435efea30fSAndrew Thompson ieee80211_draintask(ic, &ic->ic_parent_task); 14445efea30fSAndrew Thompson ieee80211_draintask(ic, &ic->ic_mcast_task); 14455efea30fSAndrew Thompson ieee80211_draintask(ic, &ic->ic_promisc_task); 14465efea30fSAndrew Thompson ieee80211_draintask(ic, &ic->ic_chan_task); 14475efea30fSAndrew Thompson ieee80211_draintask(ic, &ic->ic_bmiss_task); 1448b94299c4SAdrian Chadd ieee80211_draintask(ic, &ic->ic_chw_task); 14495efea30fSAndrew Thompson taskqueue_unblock(ic->ic_tq); 1450ae55932eSAndrew Thompson } 1451ae55932eSAndrew Thompson 1452ae55932eSAndrew Thompson /* 145324034ddbSAdrian Chadd * Check to see whether the current channel needs reset. 145424034ddbSAdrian Chadd * 145524034ddbSAdrian Chadd * Some devices don't handle being given an invalid channel 145624034ddbSAdrian Chadd * in their operating mode very well (eg wpi(4) will throw a 145724034ddbSAdrian Chadd * firmware exception.) 145824034ddbSAdrian Chadd * 145924034ddbSAdrian Chadd * Return 0 if we're ok, 1 if the channel needs to be reset. 146024034ddbSAdrian Chadd * 146124034ddbSAdrian Chadd * See PR kern/202502. 146224034ddbSAdrian Chadd */ 146324034ddbSAdrian Chadd static int 146424034ddbSAdrian Chadd ieee80211_start_check_reset_chan(struct ieee80211vap *vap) 146524034ddbSAdrian Chadd { 146624034ddbSAdrian Chadd struct ieee80211com *ic = vap->iv_ic; 146724034ddbSAdrian Chadd 146824034ddbSAdrian Chadd if ((vap->iv_opmode == IEEE80211_M_IBSS && 146924034ddbSAdrian Chadd IEEE80211_IS_CHAN_NOADHOC(ic->ic_curchan)) || 147024034ddbSAdrian Chadd (vap->iv_opmode == IEEE80211_M_HOSTAP && 147124034ddbSAdrian Chadd IEEE80211_IS_CHAN_NOHOSTAP(ic->ic_curchan))) 147224034ddbSAdrian Chadd return (1); 147324034ddbSAdrian Chadd return (0); 147424034ddbSAdrian Chadd } 147524034ddbSAdrian Chadd 147624034ddbSAdrian Chadd /* 147724034ddbSAdrian Chadd * Reset the curchan to a known good state. 147824034ddbSAdrian Chadd */ 147924034ddbSAdrian Chadd static void 148024034ddbSAdrian Chadd ieee80211_start_reset_chan(struct ieee80211vap *vap) 148124034ddbSAdrian Chadd { 148224034ddbSAdrian Chadd struct ieee80211com *ic = vap->iv_ic; 148324034ddbSAdrian Chadd 148424034ddbSAdrian Chadd ic->ic_curchan = &ic->ic_channels[0]; 148524034ddbSAdrian Chadd } 148624034ddbSAdrian Chadd 148724034ddbSAdrian Chadd /* 1488b032f27cSSam Leffler * Start a vap running. If this is the first vap to be 1489b032f27cSSam Leffler * set running on the underlying device then we 1490b032f27cSSam Leffler * automatically bring the device up. 149168e8e04eSSam Leffler */ 1492b032f27cSSam Leffler void 1493b032f27cSSam Leffler ieee80211_start_locked(struct ieee80211vap *vap) 1494b032f27cSSam Leffler { 1495b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 1496b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1497b032f27cSSam Leffler 1498b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1499b032f27cSSam Leffler 1500b032f27cSSam Leffler IEEE80211_DPRINTF(vap, 1501b032f27cSSam Leffler IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, 1502b032f27cSSam Leffler "start running, %d vaps running\n", ic->ic_nrunning); 1503b032f27cSSam Leffler 1504b032f27cSSam Leffler if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1505b032f27cSSam Leffler /* 1506b032f27cSSam Leffler * Mark us running. Note that it's ok to do this first; 1507b032f27cSSam Leffler * if we need to bring the parent device up we defer that 1508b032f27cSSam Leffler * to avoid dropping the com lock. We expect the device 1509b032f27cSSam Leffler * to respond to being marked up by calling back into us 1510b032f27cSSam Leffler * through ieee80211_start_all at which point we'll come 1511b032f27cSSam Leffler * back in here and complete the work. 1512b032f27cSSam Leffler */ 1513b032f27cSSam Leffler ifp->if_drv_flags |= IFF_DRV_RUNNING; 1514*2c13efdfSAndriy Gapon ieee80211_notify_ifnet_change(vap); 1515*2c13efdfSAndriy Gapon 1516b032f27cSSam Leffler /* 1517b032f27cSSam Leffler * We are not running; if this we are the first vap 1518b032f27cSSam Leffler * to be brought up auto-up the parent if necessary. 1519b032f27cSSam Leffler */ 15207a79cebfSGleb Smirnoff if (ic->ic_nrunning++ == 0) { 152124034ddbSAdrian Chadd 152224034ddbSAdrian Chadd /* reset the channel to a known good channel */ 152324034ddbSAdrian Chadd if (ieee80211_start_check_reset_chan(vap)) 152424034ddbSAdrian Chadd ieee80211_start_reset_chan(vap); 152524034ddbSAdrian Chadd 1526b032f27cSSam Leffler IEEE80211_DPRINTF(vap, 1527b032f27cSSam Leffler IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, 15287a79cebfSGleb Smirnoff "%s: up parent %s\n", __func__, ic->ic_name); 15295efea30fSAndrew Thompson ieee80211_runtask(ic, &ic->ic_parent_task); 1530b032f27cSSam Leffler return; 1531b032f27cSSam Leffler } 1532b032f27cSSam Leffler } 1533b032f27cSSam Leffler /* 1534b032f27cSSam Leffler * If the parent is up and running, then kick the 1535b032f27cSSam Leffler * 802.11 state machine as appropriate. 1536b032f27cSSam Leffler */ 15377a79cebfSGleb Smirnoff if (vap->iv_roaming != IEEE80211_ROAMING_MANUAL) { 1538b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) { 1539b032f27cSSam Leffler #if 0 1540b032f27cSSam Leffler /* XXX bypasses scan too easily; disable for now */ 1541b032f27cSSam Leffler /* 1542b032f27cSSam Leffler * Try to be intelligent about clocking the state 1543b032f27cSSam Leffler * machine. If we're currently in RUN state then 1544b032f27cSSam Leffler * we should be able to apply any new state/parameters 1545b032f27cSSam Leffler * simply by re-associating. Otherwise we need to 1546b032f27cSSam Leffler * re-scan to select an appropriate ap. 1547b032f27cSSam Leffler */ 1548b032f27cSSam Leffler if (vap->iv_state >= IEEE80211_S_RUN) 1549b032f27cSSam Leffler ieee80211_new_state_locked(vap, 1550b032f27cSSam Leffler IEEE80211_S_ASSOC, 1); 1551b032f27cSSam Leffler else 1552b032f27cSSam Leffler #endif 1553b032f27cSSam Leffler ieee80211_new_state_locked(vap, 1554b032f27cSSam Leffler IEEE80211_S_SCAN, 0); 155568e8e04eSSam Leffler } else { 155668e8e04eSSam Leffler /* 1557b032f27cSSam Leffler * For monitor+wds mode there's nothing to do but 1558b032f27cSSam Leffler * start running. Otherwise if this is the first 155968e8e04eSSam Leffler * vap to be brought up, start a scan which may be 156068e8e04eSSam Leffler * preempted if the station is locked to a particular 156168e8e04eSSam Leffler * channel. 156268e8e04eSSam Leffler */ 15635efea30fSAndrew Thompson vap->iv_flags_ext |= IEEE80211_FEXT_REINIT; 1564b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_MONITOR || 1565b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_WDS) 1566b032f27cSSam Leffler ieee80211_new_state_locked(vap, 1567b032f27cSSam Leffler IEEE80211_S_RUN, -1); 1568b032f27cSSam Leffler else 1569b032f27cSSam Leffler ieee80211_new_state_locked(vap, 1570b032f27cSSam Leffler IEEE80211_S_SCAN, 0); 157168e8e04eSSam Leffler } 157268e8e04eSSam Leffler } 1573b032f27cSSam Leffler } 1574b032f27cSSam Leffler 1575b032f27cSSam Leffler /* 1576b032f27cSSam Leffler * Start a single vap. 1577b032f27cSSam Leffler */ 1578b032f27cSSam Leffler void 1579b032f27cSSam Leffler ieee80211_init(void *arg) 1580b032f27cSSam Leffler { 1581b032f27cSSam Leffler struct ieee80211vap *vap = arg; 1582b032f27cSSam Leffler 158335f434b2SSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, 1584b032f27cSSam Leffler "%s\n", __func__); 1585b032f27cSSam Leffler 1586b032f27cSSam Leffler IEEE80211_LOCK(vap->iv_ic); 1587b032f27cSSam Leffler ieee80211_start_locked(vap); 1588b032f27cSSam Leffler IEEE80211_UNLOCK(vap->iv_ic); 1589b032f27cSSam Leffler } 1590b032f27cSSam Leffler 1591b032f27cSSam Leffler /* 1592b032f27cSSam Leffler * Start all runnable vap's on a device. 1593b032f27cSSam Leffler */ 1594b032f27cSSam Leffler void 1595b032f27cSSam Leffler ieee80211_start_all(struct ieee80211com *ic) 1596b032f27cSSam Leffler { 1597b032f27cSSam Leffler struct ieee80211vap *vap; 1598b032f27cSSam Leffler 1599b032f27cSSam Leffler IEEE80211_LOCK(ic); 1600b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1601b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 1602b032f27cSSam Leffler if (IFNET_IS_UP_RUNNING(ifp)) /* NB: avoid recursion */ 1603b032f27cSSam Leffler ieee80211_start_locked(vap); 1604b032f27cSSam Leffler } 1605b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 1606b032f27cSSam Leffler } 1607b032f27cSSam Leffler 1608b032f27cSSam Leffler /* 1609b032f27cSSam Leffler * Stop a vap. We force it down using the state machine 1610b032f27cSSam Leffler * then mark it's ifnet not running. If this is the last 1611b032f27cSSam Leffler * vap running on the underlying device then we close it 1612b032f27cSSam Leffler * too to insure it will be properly initialized when the 1613b032f27cSSam Leffler * next vap is brought up. 1614b032f27cSSam Leffler */ 1615b032f27cSSam Leffler void 1616b032f27cSSam Leffler ieee80211_stop_locked(struct ieee80211vap *vap) 1617b032f27cSSam Leffler { 1618b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1619b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 1620b032f27cSSam Leffler 1621b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1622b032f27cSSam Leffler 1623b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, 1624b032f27cSSam Leffler "stop running, %d vaps running\n", ic->ic_nrunning); 1625b032f27cSSam Leffler 1626b032f27cSSam Leffler ieee80211_new_state_locked(vap, IEEE80211_S_INIT, -1); 1627b032f27cSSam Leffler if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1628b032f27cSSam Leffler ifp->if_drv_flags &= ~IFF_DRV_RUNNING; /* mark us stopped */ 1629*2c13efdfSAndriy Gapon ieee80211_notify_ifnet_change(vap); 16307a79cebfSGleb Smirnoff if (--ic->ic_nrunning == 0) { 1631b032f27cSSam Leffler IEEE80211_DPRINTF(vap, 1632b032f27cSSam Leffler IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, 16337a79cebfSGleb Smirnoff "down parent %s\n", ic->ic_name); 16345efea30fSAndrew Thompson ieee80211_runtask(ic, &ic->ic_parent_task); 1635b032f27cSSam Leffler } 1636b032f27cSSam Leffler } 1637b032f27cSSam Leffler } 1638b032f27cSSam Leffler 1639b032f27cSSam Leffler void 1640b032f27cSSam Leffler ieee80211_stop(struct ieee80211vap *vap) 1641b032f27cSSam Leffler { 1642b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1643b032f27cSSam Leffler 1644b032f27cSSam Leffler IEEE80211_LOCK(ic); 1645b032f27cSSam Leffler ieee80211_stop_locked(vap); 1646b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 1647b032f27cSSam Leffler } 1648b032f27cSSam Leffler 1649b032f27cSSam Leffler /* 1650b032f27cSSam Leffler * Stop all vap's running on a device. 1651b032f27cSSam Leffler */ 1652b032f27cSSam Leffler void 1653b032f27cSSam Leffler ieee80211_stop_all(struct ieee80211com *ic) 1654b032f27cSSam Leffler { 1655b032f27cSSam Leffler struct ieee80211vap *vap; 1656b032f27cSSam Leffler 1657b032f27cSSam Leffler IEEE80211_LOCK(ic); 1658b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1659b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 1660b032f27cSSam Leffler if (IFNET_IS_UP_RUNNING(ifp)) /* NB: avoid recursion */ 1661b032f27cSSam Leffler ieee80211_stop_locked(vap); 1662b032f27cSSam Leffler } 1663b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 1664ae55932eSAndrew Thompson 1665ae55932eSAndrew Thompson ieee80211_waitfor_parent(ic); 166668e8e04eSSam Leffler } 166768e8e04eSSam Leffler 166868e8e04eSSam Leffler /* 16696076cbacSSam Leffler * Stop all vap's running on a device and arrange 16706076cbacSSam Leffler * for those that were running to be resumed. 16716076cbacSSam Leffler */ 16726076cbacSSam Leffler void 16736076cbacSSam Leffler ieee80211_suspend_all(struct ieee80211com *ic) 16746076cbacSSam Leffler { 16756076cbacSSam Leffler struct ieee80211vap *vap; 16766076cbacSSam Leffler 16776076cbacSSam Leffler IEEE80211_LOCK(ic); 16786076cbacSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 16796076cbacSSam Leffler struct ifnet *ifp = vap->iv_ifp; 16806076cbacSSam Leffler if (IFNET_IS_UP_RUNNING(ifp)) { /* NB: avoid recursion */ 16816076cbacSSam Leffler vap->iv_flags_ext |= IEEE80211_FEXT_RESUME; 16826076cbacSSam Leffler ieee80211_stop_locked(vap); 16836076cbacSSam Leffler } 16846076cbacSSam Leffler } 16856076cbacSSam Leffler IEEE80211_UNLOCK(ic); 1686ae55932eSAndrew Thompson 1687ae55932eSAndrew Thompson ieee80211_waitfor_parent(ic); 16886076cbacSSam Leffler } 16896076cbacSSam Leffler 16906076cbacSSam Leffler /* 16916076cbacSSam Leffler * Start all vap's marked for resume. 16926076cbacSSam Leffler */ 16936076cbacSSam Leffler void 16946076cbacSSam Leffler ieee80211_resume_all(struct ieee80211com *ic) 16956076cbacSSam Leffler { 16966076cbacSSam Leffler struct ieee80211vap *vap; 16976076cbacSSam Leffler 16986076cbacSSam Leffler IEEE80211_LOCK(ic); 16996076cbacSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 17006076cbacSSam Leffler struct ifnet *ifp = vap->iv_ifp; 17016076cbacSSam Leffler if (!IFNET_IS_UP_RUNNING(ifp) && 17026076cbacSSam Leffler (vap->iv_flags_ext & IEEE80211_FEXT_RESUME)) { 17036076cbacSSam Leffler vap->iv_flags_ext &= ~IEEE80211_FEXT_RESUME; 17046076cbacSSam Leffler ieee80211_start_locked(vap); 17056076cbacSSam Leffler } 17066076cbacSSam Leffler } 17076076cbacSSam Leffler IEEE80211_UNLOCK(ic); 17086076cbacSSam Leffler } 17096076cbacSSam Leffler 17104061c639SAndriy Voskoboinyk /* 17114061c639SAndriy Voskoboinyk * Restart all vap's running on a device. 17124061c639SAndriy Voskoboinyk */ 17134061c639SAndriy Voskoboinyk void 17144061c639SAndriy Voskoboinyk ieee80211_restart_all(struct ieee80211com *ic) 17154061c639SAndriy Voskoboinyk { 17164061c639SAndriy Voskoboinyk /* 17174061c639SAndriy Voskoboinyk * NB: do not use ieee80211_runtask here, we will 17184061c639SAndriy Voskoboinyk * block & drain net80211 taskqueue. 17194061c639SAndriy Voskoboinyk */ 17204061c639SAndriy Voskoboinyk taskqueue_enqueue(taskqueue_thread, &ic->ic_restart_task); 17214061c639SAndriy Voskoboinyk } 17224061c639SAndriy Voskoboinyk 1723e701e041SSam Leffler void 1724e701e041SSam Leffler ieee80211_beacon_miss(struct ieee80211com *ic) 1725e701e041SSam Leffler { 17265efea30fSAndrew Thompson IEEE80211_LOCK(ic); 17275efea30fSAndrew Thompson if ((ic->ic_flags & IEEE80211_F_SCAN) == 0) { 17285efea30fSAndrew Thompson /* Process in a taskq, the handler may reenter the driver */ 17295efea30fSAndrew Thompson ieee80211_runtask(ic, &ic->ic_bmiss_task); 17305efea30fSAndrew Thompson } 17315efea30fSAndrew Thompson IEEE80211_UNLOCK(ic); 17325efea30fSAndrew Thompson } 17335efea30fSAndrew Thompson 17345efea30fSAndrew Thompson static void 17355efea30fSAndrew Thompson beacon_miss(void *arg, int npending) 17365efea30fSAndrew Thompson { 17375efea30fSAndrew Thompson struct ieee80211com *ic = arg; 1738b032f27cSSam Leffler struct ieee80211vap *vap; 1739e701e041SSam Leffler 174023401900SAdrian Chadd IEEE80211_LOCK(ic); 1741b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1742e701e041SSam Leffler /* 1743d8c364fbSAndriy Voskoboinyk * We only pass events through for sta vap's in RUN+ state; 1744b032f27cSSam Leffler * may be too restrictive but for now this saves all the 1745b032f27cSSam Leffler * handlers duplicating these checks. 1746e701e041SSam Leffler */ 1747b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA && 1748c70761e6SSam Leffler vap->iv_state >= IEEE80211_S_RUN && 1749b032f27cSSam Leffler vap->iv_bmiss != NULL) 1750b032f27cSSam Leffler vap->iv_bmiss(vap); 1751e701e041SSam Leffler } 175223401900SAdrian Chadd IEEE80211_UNLOCK(ic); 175368e8e04eSSam Leffler } 1754e701e041SSam Leffler 17555efea30fSAndrew Thompson static void 17565efea30fSAndrew Thompson beacon_swmiss(void *arg, int npending) 17575efea30fSAndrew Thompson { 17585efea30fSAndrew Thompson struct ieee80211vap *vap = arg; 175923401900SAdrian Chadd struct ieee80211com *ic = vap->iv_ic; 17605efea30fSAndrew Thompson 176123401900SAdrian Chadd IEEE80211_LOCK(ic); 1762d8c364fbSAndriy Voskoboinyk if (vap->iv_state >= IEEE80211_S_RUN) { 17635efea30fSAndrew Thompson /* XXX Call multiple times if npending > zero? */ 17645efea30fSAndrew Thompson vap->iv_bmiss(vap); 17655efea30fSAndrew Thompson } 176623401900SAdrian Chadd IEEE80211_UNLOCK(ic); 176723401900SAdrian Chadd } 17685efea30fSAndrew Thompson 1769e99662a6SSam Leffler /* 1770e99662a6SSam Leffler * Software beacon miss handling. Check if any beacons 1771e99662a6SSam Leffler * were received in the last period. If not post a 1772e99662a6SSam Leffler * beacon miss; otherwise reset the counter. 1773e99662a6SSam Leffler */ 1774b032f27cSSam Leffler void 1775e99662a6SSam Leffler ieee80211_swbmiss(void *arg) 1776e99662a6SSam Leffler { 1777b032f27cSSam Leffler struct ieee80211vap *vap = arg; 1778c448998dSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1779e99662a6SSam Leffler 178023401900SAdrian Chadd IEEE80211_LOCK_ASSERT(ic); 178123401900SAdrian Chadd 1782d8c364fbSAndriy Voskoboinyk KASSERT(vap->iv_state >= IEEE80211_S_RUN, 1783c448998dSSam Leffler ("wrong state %d", vap->iv_state)); 1784c448998dSSam Leffler 1785c448998dSSam Leffler if (ic->ic_flags & IEEE80211_F_SCAN) { 1786c448998dSSam Leffler /* 1787c448998dSSam Leffler * If scanning just ignore and reset state. If we get a 1788c448998dSSam Leffler * bmiss after coming out of scan because we haven't had 1789c448998dSSam Leffler * time to receive a beacon then we should probe the AP 1790c448998dSSam Leffler * before posting a real bmiss (unless iv_bmiss_max has 1791c448998dSSam Leffler * been artifiically lowered). A cleaner solution might 1792c448998dSSam Leffler * be to disable the timer on scan start/end but to handle 1793c448998dSSam Leffler * case of multiple sta vap's we'd need to disable the 1794c448998dSSam Leffler * timers of all affected vap's. 1795c448998dSSam Leffler */ 1796c448998dSSam Leffler vap->iv_swbmiss_count = 0; 1797c448998dSSam Leffler } else if (vap->iv_swbmiss_count == 0) { 1798b032f27cSSam Leffler if (vap->iv_bmiss != NULL) 17995efea30fSAndrew Thompson ieee80211_runtask(ic, &vap->iv_swbmiss_task); 1800e99662a6SSam Leffler } else 1801b032f27cSSam Leffler vap->iv_swbmiss_count = 0; 1802b032f27cSSam Leffler callout_reset(&vap->iv_swbmiss, vap->iv_swbmiss_period, 1803b032f27cSSam Leffler ieee80211_swbmiss, vap); 18047edb8cf9SSam Leffler } 18057edb8cf9SSam Leffler 180668e8e04eSSam Leffler /* 1807b032f27cSSam Leffler * Start an 802.11h channel switch. We record the parameters, 1808b032f27cSSam Leffler * mark the operation pending, notify each vap through the 1809b032f27cSSam Leffler * beacon update mechanism so it can update the beacon frame 1810b032f27cSSam Leffler * contents, and then switch vap's to CSA state to block outbound 1811b032f27cSSam Leffler * traffic. Devices that handle CSA directly can use the state 1812b032f27cSSam Leffler * switch to do the right thing so long as they call 1813b032f27cSSam Leffler * ieee80211_csa_completeswitch when it's time to complete the 1814b032f27cSSam Leffler * channel change. Devices that depend on the net80211 layer can 1815b032f27cSSam Leffler * use ieee80211_beacon_update to handle the countdown and the 1816b032f27cSSam Leffler * channel switch. 1817b032f27cSSam Leffler */ 1818b032f27cSSam Leffler void 1819b032f27cSSam Leffler ieee80211_csa_startswitch(struct ieee80211com *ic, 1820b032f27cSSam Leffler struct ieee80211_channel *c, int mode, int count) 1821b032f27cSSam Leffler { 1822b032f27cSSam Leffler struct ieee80211vap *vap; 1823b032f27cSSam Leffler 1824b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1825b032f27cSSam Leffler 1826b032f27cSSam Leffler ic->ic_csa_newchan = c; 1827c70761e6SSam Leffler ic->ic_csa_mode = mode; 1828b032f27cSSam Leffler ic->ic_csa_count = count; 1829b032f27cSSam Leffler ic->ic_flags |= IEEE80211_F_CSAPENDING; 1830b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1831b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP || 183259aa14a9SRui Paulo vap->iv_opmode == IEEE80211_M_IBSS || 183359aa14a9SRui Paulo vap->iv_opmode == IEEE80211_M_MBSS) 1834b032f27cSSam Leffler ieee80211_beacon_notify(vap, IEEE80211_BEACON_CSA); 1835b032f27cSSam Leffler /* switch to CSA state to block outbound traffic */ 1836b032f27cSSam Leffler if (vap->iv_state == IEEE80211_S_RUN) 1837b032f27cSSam Leffler ieee80211_new_state_locked(vap, IEEE80211_S_CSA, 0); 1838b032f27cSSam Leffler } 1839b032f27cSSam Leffler ieee80211_notify_csa(ic, c, mode, count); 1840b032f27cSSam Leffler } 1841b032f27cSSam Leffler 1842886bbec1SAdrian Chadd /* 1843886bbec1SAdrian Chadd * Complete the channel switch by transitioning all CSA VAPs to RUN. 1844886bbec1SAdrian Chadd * This is called by both the completion and cancellation functions 1845886bbec1SAdrian Chadd * so each VAP is placed back in the RUN state and can thus transmit. 1846886bbec1SAdrian Chadd */ 1847c70761e6SSam Leffler static void 1848c70761e6SSam Leffler csa_completeswitch(struct ieee80211com *ic) 1849c70761e6SSam Leffler { 1850c70761e6SSam Leffler struct ieee80211vap *vap; 1851c70761e6SSam Leffler 1852c70761e6SSam Leffler ic->ic_csa_newchan = NULL; 1853c70761e6SSam Leffler ic->ic_flags &= ~IEEE80211_F_CSAPENDING; 1854c70761e6SSam Leffler 1855c70761e6SSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 1856c70761e6SSam Leffler if (vap->iv_state == IEEE80211_S_CSA) 1857c70761e6SSam Leffler ieee80211_new_state_locked(vap, IEEE80211_S_RUN, 0); 1858c70761e6SSam Leffler } 1859c70761e6SSam Leffler 1860b032f27cSSam Leffler /* 1861b032f27cSSam Leffler * Complete an 802.11h channel switch started by ieee80211_csa_startswitch. 1862b032f27cSSam Leffler * We clear state and move all vap's in CSA state to RUN state 1863b032f27cSSam Leffler * so they can again transmit. 1864886bbec1SAdrian Chadd * 1865886bbec1SAdrian Chadd * Although this may not be completely correct, update the BSS channel 1866886bbec1SAdrian Chadd * for each VAP to the newly configured channel. The setcurchan sets 1867886bbec1SAdrian Chadd * the current operating channel for the interface (so the radio does 1868886bbec1SAdrian Chadd * switch over) but the VAP BSS isn't updated, leading to incorrectly 1869886bbec1SAdrian Chadd * reported information via ioctl. 1870b032f27cSSam Leffler */ 1871b032f27cSSam Leffler void 1872b032f27cSSam Leffler ieee80211_csa_completeswitch(struct ieee80211com *ic) 1873b032f27cSSam Leffler { 18746f16ec31SAdrian Chadd struct ieee80211vap *vap; 18756f16ec31SAdrian Chadd 1876b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1877b032f27cSSam Leffler 1878b032f27cSSam Leffler KASSERT(ic->ic_flags & IEEE80211_F_CSAPENDING, ("csa not pending")); 1879b032f27cSSam Leffler 1880b032f27cSSam Leffler ieee80211_setcurchan(ic, ic->ic_csa_newchan); 1881886bbec1SAdrian Chadd TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 1882886bbec1SAdrian Chadd if (vap->iv_state == IEEE80211_S_CSA) 1883886bbec1SAdrian Chadd vap->iv_bss->ni_chan = ic->ic_curchan; 1884886bbec1SAdrian Chadd 1885c70761e6SSam Leffler csa_completeswitch(ic); 1886c70761e6SSam Leffler } 1887b032f27cSSam Leffler 1888c70761e6SSam Leffler /* 1889c70761e6SSam Leffler * Cancel an 802.11h channel switch started by ieee80211_csa_startswitch. 1890c70761e6SSam Leffler * We clear state and move all vap's in CSA state to RUN state 1891c70761e6SSam Leffler * so they can again transmit. 1892c70761e6SSam Leffler */ 1893c70761e6SSam Leffler void 1894c70761e6SSam Leffler ieee80211_csa_cancelswitch(struct ieee80211com *ic) 1895c70761e6SSam Leffler { 1896c70761e6SSam Leffler IEEE80211_LOCK_ASSERT(ic); 1897c70761e6SSam Leffler 1898c70761e6SSam Leffler csa_completeswitch(ic); 1899b032f27cSSam Leffler } 1900b032f27cSSam Leffler 1901b032f27cSSam Leffler /* 1902b032f27cSSam Leffler * Complete a DFS CAC started by ieee80211_dfs_cac_start. 1903b032f27cSSam Leffler * We clear state and move all vap's in CAC state to RUN state. 1904b032f27cSSam Leffler */ 1905b032f27cSSam Leffler void 1906b032f27cSSam Leffler ieee80211_cac_completeswitch(struct ieee80211vap *vap0) 1907b032f27cSSam Leffler { 1908b032f27cSSam Leffler struct ieee80211com *ic = vap0->iv_ic; 1909b032f27cSSam Leffler struct ieee80211vap *vap; 1910b032f27cSSam Leffler 1911b032f27cSSam Leffler IEEE80211_LOCK(ic); 1912b032f27cSSam Leffler /* 1913b032f27cSSam Leffler * Complete CAC state change for lead vap first; then 1914b032f27cSSam Leffler * clock all the other vap's waiting. 1915b032f27cSSam Leffler */ 1916b032f27cSSam Leffler KASSERT(vap0->iv_state == IEEE80211_S_CAC, 1917b032f27cSSam Leffler ("wrong state %d", vap0->iv_state)); 1918b032f27cSSam Leffler ieee80211_new_state_locked(vap0, IEEE80211_S_RUN, 0); 1919b032f27cSSam Leffler 1920b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 1921e0625c4cSAndriy Voskoboinyk if (vap->iv_state == IEEE80211_S_CAC && vap != vap0) 1922b032f27cSSam Leffler ieee80211_new_state_locked(vap, IEEE80211_S_RUN, 0); 1923b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 1924b032f27cSSam Leffler } 1925b032f27cSSam Leffler 1926b032f27cSSam Leffler /* 1927b032f27cSSam Leffler * Force all vap's other than the specified vap to the INIT state 1928b032f27cSSam Leffler * and mark them as waiting for a scan to complete. These vaps 1929b032f27cSSam Leffler * will be brought up when the scan completes and the scanning vap 1930b032f27cSSam Leffler * reaches RUN state by wakeupwaiting. 193168e8e04eSSam Leffler */ 193268e8e04eSSam Leffler static void 1933b032f27cSSam Leffler markwaiting(struct ieee80211vap *vap0) 193468e8e04eSSam Leffler { 1935b032f27cSSam Leffler struct ieee80211com *ic = vap0->iv_ic; 1936b032f27cSSam Leffler struct ieee80211vap *vap; 1937b032f27cSSam Leffler 1938b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1939b032f27cSSam Leffler 19405efea30fSAndrew Thompson /* 19415efea30fSAndrew Thompson * A vap list entry can not disappear since we are running on the 19425efea30fSAndrew Thompson * taskqueue and a vap destroy will queue and drain another state 19435efea30fSAndrew Thompson * change task. 19445efea30fSAndrew Thompson */ 1945b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1946b032f27cSSam Leffler if (vap == vap0) 1947b032f27cSSam Leffler continue; 1948b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_INIT) { 19495efea30fSAndrew Thompson /* NB: iv_newstate may drop the lock */ 1950b032f27cSSam Leffler vap->iv_newstate(vap, IEEE80211_S_INIT, 0); 1951dcc56af0SAdrian Chadd IEEE80211_LOCK_ASSERT(ic); 1952b032f27cSSam Leffler vap->iv_flags_ext |= IEEE80211_FEXT_SCANWAIT; 1953b032f27cSSam Leffler } 195468e8e04eSSam Leffler } 195568e8e04eSSam Leffler } 195668e8e04eSSam Leffler 1957b032f27cSSam Leffler /* 1958b032f27cSSam Leffler * Wakeup all vap's waiting for a scan to complete. This is the 1959b032f27cSSam Leffler * companion to markwaiting (above) and is used to coordinate 1960b032f27cSSam Leffler * multiple vaps scanning. 19615efea30fSAndrew Thompson * This is called from the state taskqueue. 1962b032f27cSSam Leffler */ 1963b032f27cSSam Leffler static void 1964b032f27cSSam Leffler wakeupwaiting(struct ieee80211vap *vap0) 1965b032f27cSSam Leffler { 1966b032f27cSSam Leffler struct ieee80211com *ic = vap0->iv_ic; 1967b032f27cSSam Leffler struct ieee80211vap *vap; 1968b032f27cSSam Leffler 1969b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 1970b032f27cSSam Leffler 19715efea30fSAndrew Thompson /* 19725efea30fSAndrew Thompson * A vap list entry can not disappear since we are running on the 19735efea30fSAndrew Thompson * taskqueue and a vap destroy will queue and drain another state 19745efea30fSAndrew Thompson * change task. 19755efea30fSAndrew Thompson */ 1976b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1977b032f27cSSam Leffler if (vap == vap0) 1978b032f27cSSam Leffler continue; 1979b032f27cSSam Leffler if (vap->iv_flags_ext & IEEE80211_FEXT_SCANWAIT) { 1980b032f27cSSam Leffler vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANWAIT; 1981b032f27cSSam Leffler /* NB: sta's cannot go INIT->RUN */ 19825efea30fSAndrew Thompson /* NB: iv_newstate may drop the lock */ 1983b032f27cSSam Leffler vap->iv_newstate(vap, 1984b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA ? 1985b032f27cSSam Leffler IEEE80211_S_SCAN : IEEE80211_S_RUN, 0); 1986dcc56af0SAdrian Chadd IEEE80211_LOCK_ASSERT(ic); 1987b032f27cSSam Leffler } 1988b032f27cSSam Leffler } 1989b032f27cSSam Leffler } 1990b032f27cSSam Leffler 1991b032f27cSSam Leffler /* 1992b032f27cSSam Leffler * Handle post state change work common to all operating modes. 1993b032f27cSSam Leffler */ 1994b032f27cSSam Leffler static void 19955efea30fSAndrew Thompson ieee80211_newstate_cb(void *xvap, int npending) 1996b032f27cSSam Leffler { 19975efea30fSAndrew Thompson struct ieee80211vap *vap = xvap; 1998b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 19995efea30fSAndrew Thompson enum ieee80211_state nstate, ostate; 20005efea30fSAndrew Thompson int arg, rc; 2001b032f27cSSam Leffler 20025efea30fSAndrew Thompson IEEE80211_LOCK(ic); 20035efea30fSAndrew Thompson nstate = vap->iv_nstate; 20045efea30fSAndrew Thompson arg = vap->iv_nstate_arg; 2005b032f27cSSam Leffler 20065efea30fSAndrew Thompson if (vap->iv_flags_ext & IEEE80211_FEXT_REINIT) { 20075efea30fSAndrew Thompson /* 20085efea30fSAndrew Thompson * We have been requested to drop back to the INIT before 20095efea30fSAndrew Thompson * proceeding to the new state. 20105efea30fSAndrew Thompson */ 2011d13806f4SAndriy Voskoboinyk /* Deny any state changes while we are here. */ 2012d13806f4SAndriy Voskoboinyk vap->iv_nstate = IEEE80211_S_INIT; 2013b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 20145efea30fSAndrew Thompson "%s: %s -> %s arg %d\n", __func__, 20155efea30fSAndrew Thompson ieee80211_state_name[vap->iv_state], 2016d13806f4SAndriy Voskoboinyk ieee80211_state_name[vap->iv_nstate], arg); 2017d13806f4SAndriy Voskoboinyk vap->iv_newstate(vap, vap->iv_nstate, 0); 2018dcc56af0SAdrian Chadd IEEE80211_LOCK_ASSERT(ic); 2019d13806f4SAndriy Voskoboinyk vap->iv_flags_ext &= ~(IEEE80211_FEXT_REINIT | 2020d13806f4SAndriy Voskoboinyk IEEE80211_FEXT_STATEWAIT); 2021d13806f4SAndriy Voskoboinyk /* enqueue new state transition after cancel_scan() task */ 2022d13806f4SAndriy Voskoboinyk ieee80211_new_state_locked(vap, nstate, arg); 2023d13806f4SAndriy Voskoboinyk goto done; 20245efea30fSAndrew Thompson } 20255efea30fSAndrew Thompson 20265efea30fSAndrew Thompson ostate = vap->iv_state; 20275efea30fSAndrew Thompson if (nstate == IEEE80211_S_SCAN && ostate != IEEE80211_S_INIT) { 20285efea30fSAndrew Thompson /* 20295efea30fSAndrew Thompson * SCAN was forced; e.g. on beacon miss. Force other running 20305efea30fSAndrew Thompson * vap's to INIT state and mark them as waiting for the scan to 20315efea30fSAndrew Thompson * complete. This insures they don't interfere with our 20325efea30fSAndrew Thompson * scanning. Since we are single threaded the vaps can not 20335efea30fSAndrew Thompson * transition again while we are executing. 20345efea30fSAndrew Thompson * 20355efea30fSAndrew Thompson * XXX not always right, assumes ap follows sta 20365efea30fSAndrew Thompson */ 20375efea30fSAndrew Thompson markwaiting(vap); 20385efea30fSAndrew Thompson } 20395efea30fSAndrew Thompson IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 20405efea30fSAndrew Thompson "%s: %s -> %s arg %d\n", __func__, 20415efea30fSAndrew Thompson ieee80211_state_name[ostate], ieee80211_state_name[nstate], arg); 20425efea30fSAndrew Thompson 20435efea30fSAndrew Thompson rc = vap->iv_newstate(vap, nstate, arg); 2044dcc56af0SAdrian Chadd IEEE80211_LOCK_ASSERT(ic); 20455efea30fSAndrew Thompson vap->iv_flags_ext &= ~IEEE80211_FEXT_STATEWAIT; 20465efea30fSAndrew Thompson if (rc != 0) { 20475efea30fSAndrew Thompson /* State transition failed */ 20485efea30fSAndrew Thompson KASSERT(rc != EINPROGRESS, ("iv_newstate was deferred")); 20495efea30fSAndrew Thompson KASSERT(nstate != IEEE80211_S_INIT, 20505efea30fSAndrew Thompson ("INIT state change failed")); 20515efea30fSAndrew Thompson IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 20525efea30fSAndrew Thompson "%s: %s returned error %d\n", __func__, 20535efea30fSAndrew Thompson ieee80211_state_name[nstate], rc); 20545efea30fSAndrew Thompson goto done; 20555efea30fSAndrew Thompson } 20565efea30fSAndrew Thompson 20575efea30fSAndrew Thompson /* No actual transition, skip post processing */ 20585efea30fSAndrew Thompson if (ostate == nstate) 20595efea30fSAndrew Thompson goto done; 2060b032f27cSSam Leffler 2061b032f27cSSam Leffler if (nstate == IEEE80211_S_RUN) { 2062b032f27cSSam Leffler /* 2063b032f27cSSam Leffler * OACTIVE may be set on the vap if the upper layer 2064b032f27cSSam Leffler * tried to transmit (e.g. IPv6 NDP) before we reach 2065b032f27cSSam Leffler * RUN state. Clear it and restart xmit. 2066b032f27cSSam Leffler * 2067b032f27cSSam Leffler * Note this can also happen as a result of SLEEP->RUN 2068b032f27cSSam Leffler * (i.e. coming out of power save mode). 2069b032f27cSSam Leffler */ 2070b032f27cSSam Leffler vap->iv_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2071a7f31a36SAdrian Chadd 2072a7f31a36SAdrian Chadd /* 2073e7495198SAdrian Chadd * XXX TODO Kick-start a VAP queue - this should be a method! 2074a7f31a36SAdrian Chadd */ 2075b032f27cSSam Leffler 2076b032f27cSSam Leffler /* bring up any vaps waiting on us */ 2077b032f27cSSam Leffler wakeupwaiting(vap); 2078b032f27cSSam Leffler } else if (nstate == IEEE80211_S_INIT) { 2079b032f27cSSam Leffler /* 2080b032f27cSSam Leffler * Flush the scan cache if we did the last scan (XXX?) 2081b032f27cSSam Leffler * and flush any frames on send queues from this vap. 2082b032f27cSSam Leffler * Note the mgt q is used only for legacy drivers and 2083b032f27cSSam Leffler * will go away shortly. 2084b032f27cSSam Leffler */ 2085b032f27cSSam Leffler ieee80211_scan_flush(vap); 2086b032f27cSSam Leffler 2087e7495198SAdrian Chadd /* 2088e7495198SAdrian Chadd * XXX TODO: ic/vap queue flush 2089e7495198SAdrian Chadd */ 2090b032f27cSSam Leffler } 20915efea30fSAndrew Thompson done: 20925efea30fSAndrew Thompson IEEE80211_UNLOCK(ic); 2093b032f27cSSam Leffler } 2094b032f27cSSam Leffler 2095b032f27cSSam Leffler /* 2096b032f27cSSam Leffler * Public interface for initiating a state machine change. 2097b032f27cSSam Leffler * This routine single-threads the request and coordinates 2098b032f27cSSam Leffler * the scheduling of multiple vaps for the purpose of selecting 2099b032f27cSSam Leffler * an operating channel. Specifically the following scenarios 2100b032f27cSSam Leffler * are handled: 2101b032f27cSSam Leffler * o only one vap can be selecting a channel so on transition to 2102b032f27cSSam Leffler * SCAN state if another vap is already scanning then 2103b032f27cSSam Leffler * mark the caller for later processing and return without 2104b032f27cSSam Leffler * doing anything (XXX? expectations by caller of synchronous operation) 2105b032f27cSSam Leffler * o only one vap can be doing CAC of a channel so on transition to 2106b032f27cSSam Leffler * CAC state if another vap is already scanning for radar then 2107b032f27cSSam Leffler * mark the caller for later processing and return without 2108b032f27cSSam Leffler * doing anything (XXX? expectations by caller of synchronous operation) 2109b032f27cSSam Leffler * o if another vap is already running when a request is made 2110b032f27cSSam Leffler * to SCAN then an operating channel has been chosen; bypass 2111b032f27cSSam Leffler * the scan and just join the channel 2112b032f27cSSam Leffler * 2113b032f27cSSam Leffler * Note that the state change call is done through the iv_newstate 2114b032f27cSSam Leffler * method pointer so any driver routine gets invoked. The driver 2115b032f27cSSam Leffler * will normally call back into operating mode-specific 2116b032f27cSSam Leffler * ieee80211_newstate routines (below) unless it needs to completely 2117b032f27cSSam Leffler * bypass the state machine (e.g. because the firmware has it's 2118b032f27cSSam Leffler * own idea how things should work). Bypassing the net80211 layer 2119b032f27cSSam Leffler * is usually a mistake and indicates lack of proper integration 2120b032f27cSSam Leffler * with the net80211 layer. 2121b032f27cSSam Leffler */ 2122e94527beSAdrian Chadd int 2123b032f27cSSam Leffler ieee80211_new_state_locked(struct ieee80211vap *vap, 2124b032f27cSSam Leffler enum ieee80211_state nstate, int arg) 21258a1b9b6aSSam Leffler { 2126b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 2127b032f27cSSam Leffler struct ieee80211vap *vp; 2128a11c9a5cSSam Leffler enum ieee80211_state ostate; 21295efea30fSAndrew Thompson int nrunning, nscanning; 21301a1e1d21SSam Leffler 2131b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 2132b032f27cSSam Leffler 21335efea30fSAndrew Thompson if (vap->iv_flags_ext & IEEE80211_FEXT_STATEWAIT) { 2134d13806f4SAndriy Voskoboinyk if (vap->iv_nstate == IEEE80211_S_INIT || 2135d13806f4SAndriy Voskoboinyk ((vap->iv_state == IEEE80211_S_INIT || 2136d13806f4SAndriy Voskoboinyk (vap->iv_flags_ext & IEEE80211_FEXT_REINIT)) && 2137d13806f4SAndriy Voskoboinyk vap->iv_nstate == IEEE80211_S_SCAN && 2138d13806f4SAndriy Voskoboinyk nstate > IEEE80211_S_SCAN)) { 21395efea30fSAndrew Thompson /* 2140d13806f4SAndriy Voskoboinyk * XXX The vap is being stopped/started, 2141d13806f4SAndriy Voskoboinyk * do not allow any other state changes 2142d13806f4SAndriy Voskoboinyk * until this is completed. 21435efea30fSAndrew Thompson */ 2144d13806f4SAndriy Voskoboinyk IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 2145d13806f4SAndriy Voskoboinyk "%s: %s -> %s (%s) transition discarded\n", 2146d13806f4SAndriy Voskoboinyk __func__, 2147d13806f4SAndriy Voskoboinyk ieee80211_state_name[vap->iv_state], 2148d13806f4SAndriy Voskoboinyk ieee80211_state_name[nstate], 2149d13806f4SAndriy Voskoboinyk ieee80211_state_name[vap->iv_nstate]); 21505efea30fSAndrew Thompson return -1; 21518ee6f90aSAndrew Thompson } else if (vap->iv_state != vap->iv_nstate) { 21525efea30fSAndrew Thompson #if 0 21535efea30fSAndrew Thompson /* Warn if the previous state hasn't completed. */ 21545efea30fSAndrew Thompson IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 21555efea30fSAndrew Thompson "%s: pending %s -> %s transition lost\n", __func__, 21565efea30fSAndrew Thompson ieee80211_state_name[vap->iv_state], 21575efea30fSAndrew Thompson ieee80211_state_name[vap->iv_nstate]); 21585efea30fSAndrew Thompson #else 21595efea30fSAndrew Thompson /* XXX temporarily enable to identify issues */ 21608ee6f90aSAndrew Thompson if_printf(vap->iv_ifp, 21618ee6f90aSAndrew Thompson "%s: pending %s -> %s transition lost\n", 21625efea30fSAndrew Thompson __func__, ieee80211_state_name[vap->iv_state], 21635efea30fSAndrew Thompson ieee80211_state_name[vap->iv_nstate]); 21645efea30fSAndrew Thompson #endif 21655efea30fSAndrew Thompson } 21668ee6f90aSAndrew Thompson } 21675efea30fSAndrew Thompson 2168b032f27cSSam Leffler nrunning = nscanning = 0; 2169b032f27cSSam Leffler /* XXX can track this state instead of calculating */ 2170b032f27cSSam Leffler TAILQ_FOREACH(vp, &ic->ic_vaps, iv_next) { 2171b032f27cSSam Leffler if (vp != vap) { 2172b032f27cSSam Leffler if (vp->iv_state >= IEEE80211_S_RUN) 2173b032f27cSSam Leffler nrunning++; 2174b032f27cSSam Leffler /* XXX doesn't handle bg scan */ 2175b032f27cSSam Leffler /* NB: CAC+AUTH+ASSOC treated like SCAN */ 2176b032f27cSSam Leffler else if (vp->iv_state > IEEE80211_S_INIT) 2177b032f27cSSam Leffler nscanning++; 2178b032f27cSSam Leffler } 2179b032f27cSSam Leffler } 2180b032f27cSSam Leffler ostate = vap->iv_state; 2181b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 2182b032f27cSSam Leffler "%s: %s -> %s (nrunning %d nscanning %d)\n", __func__, 2183b032f27cSSam Leffler ieee80211_state_name[ostate], ieee80211_state_name[nstate], 2184b032f27cSSam Leffler nrunning, nscanning); 21851a1e1d21SSam Leffler switch (nstate) { 21861a1e1d21SSam Leffler case IEEE80211_S_SCAN: 2187b032f27cSSam Leffler if (ostate == IEEE80211_S_INIT) { 21881a1e1d21SSam Leffler /* 2189b032f27cSSam Leffler * INIT -> SCAN happens on initial bringup. 21901a1e1d21SSam Leffler */ 2191b032f27cSSam Leffler KASSERT(!(nscanning && nrunning), 2192b032f27cSSam Leffler ("%d scanning and %d running", nscanning, nrunning)); 2193b032f27cSSam Leffler if (nscanning) { 219468e8e04eSSam Leffler /* 2195b032f27cSSam Leffler * Someone is scanning, defer our state 2196b032f27cSSam Leffler * change until the work has completed. 219768e8e04eSSam Leffler */ 2198b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 2199b032f27cSSam Leffler "%s: defer %s -> %s\n", 2200b032f27cSSam Leffler __func__, ieee80211_state_name[ostate], 2201b032f27cSSam Leffler ieee80211_state_name[nstate]); 2202b032f27cSSam Leffler vap->iv_flags_ext |= IEEE80211_FEXT_SCANWAIT; 22035efea30fSAndrew Thompson return 0; 220468e8e04eSSam Leffler } 2205b032f27cSSam Leffler if (nrunning) { 220668e8e04eSSam Leffler /* 2207b032f27cSSam Leffler * Someone is operating; just join the channel 2208b032f27cSSam Leffler * they have chosen. 220968e8e04eSSam Leffler */ 2210b032f27cSSam Leffler /* XXX kill arg? */ 2211b032f27cSSam Leffler /* XXX check each opmode, adhoc? */ 2212b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) 2213b032f27cSSam Leffler nstate = IEEE80211_S_SCAN; 22141a1e1d21SSam Leffler else 2215b032f27cSSam Leffler nstate = IEEE80211_S_RUN; 2216b032f27cSSam Leffler #ifdef IEEE80211_DEBUG 2217b032f27cSSam Leffler if (nstate != IEEE80211_S_SCAN) { 2218b032f27cSSam Leffler IEEE80211_DPRINTF(vap, 2219b032f27cSSam Leffler IEEE80211_MSG_STATE, 2220b032f27cSSam Leffler "%s: override, now %s -> %s\n", 2221b032f27cSSam Leffler __func__, 2222b032f27cSSam Leffler ieee80211_state_name[ostate], 2223b032f27cSSam Leffler ieee80211_state_name[nstate]); 22241a1e1d21SSam Leffler } 22258a1b9b6aSSam Leffler #endif 222668e8e04eSSam Leffler } 2227b032f27cSSam Leffler } 22281a1e1d21SSam Leffler break; 2229b032f27cSSam Leffler case IEEE80211_S_RUN: 2230b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_WDS && 2231b032f27cSSam Leffler (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) && 2232b032f27cSSam Leffler nscanning) { 2233b032f27cSSam Leffler /* 2234b032f27cSSam Leffler * Legacy WDS with someone else scanning; don't 2235b032f27cSSam Leffler * go online until that completes as we should 2236b032f27cSSam Leffler * follow the other vap to the channel they choose. 2237b032f27cSSam Leffler */ 2238b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 2239b032f27cSSam Leffler "%s: defer %s -> %s (legacy WDS)\n", __func__, 2240b032f27cSSam Leffler ieee80211_state_name[ostate], 2241b032f27cSSam Leffler ieee80211_state_name[nstate]); 2242b032f27cSSam Leffler vap->iv_flags_ext |= IEEE80211_FEXT_SCANWAIT; 22435efea30fSAndrew Thompson return 0; 2244b032f27cSSam Leffler } 2245b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP && 2246b032f27cSSam Leffler IEEE80211_IS_CHAN_DFS(ic->ic_bsschan) && 2247b032f27cSSam Leffler (vap->iv_flags_ext & IEEE80211_FEXT_DFS) && 2248b032f27cSSam Leffler !IEEE80211_IS_CHAN_CACDONE(ic->ic_bsschan)) { 2249b032f27cSSam Leffler /* 2250b032f27cSSam Leffler * This is a DFS channel, transition to CAC state 2251b032f27cSSam Leffler * instead of RUN. This allows us to initiate 2252b032f27cSSam Leffler * Channel Availability Check (CAC) as specified 2253b032f27cSSam Leffler * by 11h/DFS. 2254b032f27cSSam Leffler */ 2255b032f27cSSam Leffler nstate = IEEE80211_S_CAC; 2256b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, 2257b032f27cSSam Leffler "%s: override %s -> %s (DFS)\n", __func__, 2258b032f27cSSam Leffler ieee80211_state_name[ostate], 2259b032f27cSSam Leffler ieee80211_state_name[nstate]); 2260b032f27cSSam Leffler } 2261b032f27cSSam Leffler break; 2262b032f27cSSam Leffler case IEEE80211_S_INIT: 2263b016f58cSAndrew Thompson /* cancel any scan in progress */ 2264b016f58cSAndrew Thompson ieee80211_cancel_scan(vap); 2265b032f27cSSam Leffler if (ostate == IEEE80211_S_INIT ) { 2266b032f27cSSam Leffler /* XXX don't believe this */ 2267b032f27cSSam Leffler /* INIT -> INIT. nothing to do */ 2268b032f27cSSam Leffler vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANWAIT; 2269b032f27cSSam Leffler } 2270b032f27cSSam Leffler /* fall thru... */ 227114fb6b8fSSam Leffler default: 227214fb6b8fSSam Leffler break; 22731a1e1d21SSam Leffler } 22745efea30fSAndrew Thompson /* defer the state change to a thread */ 22755efea30fSAndrew Thompson vap->iv_nstate = nstate; 22765efea30fSAndrew Thompson vap->iv_nstate_arg = arg; 22775efea30fSAndrew Thompson vap->iv_flags_ext |= IEEE80211_FEXT_STATEWAIT; 22785efea30fSAndrew Thompson ieee80211_runtask(ic, &vap->iv_nstate_task); 22795efea30fSAndrew Thompson return EINPROGRESS; 22808a1b9b6aSSam Leffler } 2281b032f27cSSam Leffler 2282b032f27cSSam Leffler int 2283b032f27cSSam Leffler ieee80211_new_state(struct ieee80211vap *vap, 2284b032f27cSSam Leffler enum ieee80211_state nstate, int arg) 2285b032f27cSSam Leffler { 2286b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 2287b032f27cSSam Leffler int rc; 2288b032f27cSSam Leffler 2289b032f27cSSam Leffler IEEE80211_LOCK(ic); 2290b032f27cSSam Leffler rc = ieee80211_new_state_locked(vap, nstate, arg); 2291b032f27cSSam Leffler IEEE80211_UNLOCK(ic); 2292b032f27cSSam Leffler return rc; 22931a1e1d21SSam Leffler } 2294