1 /*- 2 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2007-2009 Intel Corporation 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef _NET80211_IEEE80211_TDMA_H_ 29 #define _NET80211_IEEE80211_TDMA_H_ 30 31 /* 32 * TDMA-mode implementation definitions. 33 */ 34 struct ieee80211_tdma_state { 35 u_int tdma_slotlen; /* bss slot length (us) */ 36 uint8_t tdma_slotcnt; /* bss slot count */ 37 uint8_t tdma_bintval; /* beacon interval (slots) */ 38 uint8_t tdma_slot; /* station slot # */ 39 uint8_t tdma_inuse[1]; /* mask of slots in use */ 40 #define IEEE80211_TDMA_MAXSLOTS 8 41 void *tdma_peer; /* peer station cookie */ 42 uint8_t tdma_active[1]; /* mask of active slots */ 43 int tdma_count; /* active/inuse countdown */ 44 45 /* parent method pointers */ 46 int (*tdma_newstate)(struct ieee80211vap *, enum ieee80211_state, 47 int arg); 48 void (*tdma_recv_mgmt)(struct ieee80211_node *, 49 struct mbuf *, int, int, int, uint32_t); 50 void (*tdma_opdetach)(struct ieee80211vap *); 51 }; 52 53 void ieee80211_tdma_vattach(struct ieee80211vap *); 54 55 int ieee80211_tdma_getslot(struct ieee80211vap *vap); 56 void ieee80211_parse_tdma(struct ieee80211_node *ni, const uint8_t *ie); 57 uint8_t *ieee80211_add_tdma(uint8_t *frm, struct ieee80211vap *vap); 58 struct ieee80211_beacon_offsets; 59 void ieee80211_tdma_update_beacon(struct ieee80211vap *vap, 60 struct ieee80211_beacon_offsets *bo); 61 struct ieee80211req; 62 int ieee80211_tdma_ioctl_get80211(struct ieee80211vap *vap, 63 struct ieee80211req *ireq); 64 int ieee80211_tdma_ioctl_set80211(struct ieee80211vap *vap, 65 struct ieee80211req *ireq); 66 #endif /* !_NET80211_IEEE80211_TDMA_H_ */ 67