mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
5463c4a485
o replace DLT_IEEE802_11 support in net80211 with DLT_IEEE802_11_RADIO and remove explicit bpf support from wireless drivers; drivers now use ieee80211_radiotap_attach to setup shared data structures that hold the radiotap header for each packet tx/rx o remove rx timestamp from the rx path; it was used only by the tdma support for debugging and was mostly useless due to it being 32-bits and mostly unavailable o track DLT_IEEE80211_RADIO bpf attachments and maintain per-vap and per-com state when there are active taps o track the number of monitor mode vaps o use bpf tap and monitor mode vap state to decide when to collect radiotap state and dispatch frames; drivers no longer explicitly directly check bpf state or use bpf calls to tap frames o handle radiotap state updates on channel change in net80211; drivers should not do this (unless they bypass net80211 which is almost always a mistake) o update various drivers to be more consistent/correct in handling radiotap o update ral to include TSF in radiotap'd frames o add promisc mode callback to wi Reviewed by: cbzimmer, rpaulo, thompsa
103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
/*-
|
|
* Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
|
|
* Copyright (c) 2007-2009 Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _NET80211_IEEE80211_TDMA_H_
|
|
#define _NET80211_IEEE80211_TDMA_H_
|
|
|
|
/*
|
|
* TDMA-mode implementation definitions.
|
|
*/
|
|
|
|
#define TDMA_SUBTYPE_PARAM 0x01
|
|
#define TDMA_VERSION_V2 2
|
|
#define TDMA_VERSION TDMA_VERSION_V2
|
|
|
|
/* NB: we only support 2 right now but protocol handles up to 8 */
|
|
#define TDMA_MAXSLOTS 2 /* max slots/sta's */
|
|
|
|
#define TDMA_PARAM_LEN_V2 sizeof(struct ieee80211_tdma_param)
|
|
|
|
/*
|
|
* TDMA information element.
|
|
*/
|
|
struct ieee80211_tdma_param {
|
|
u_int8_t tdma_id; /* IEEE80211_ELEMID_VENDOR */
|
|
u_int8_t tdma_len;
|
|
u_int8_t tdma_oui[3]; /* TDMA_OUI */
|
|
u_int8_t tdma_type; /* TDMA_OUI_TYPE */
|
|
u_int8_t tdma_subtype; /* TDMA_SUBTYPE_PARAM */
|
|
u_int8_t tdma_version; /* spec revision */
|
|
u_int8_t tdma_slot; /* station slot # [0..7] */
|
|
u_int8_t tdma_slotcnt; /* bss slot count [1..8] */
|
|
u_int16_t tdma_slotlen; /* bss slot len (100us) */
|
|
u_int8_t tdma_bintval; /* beacon interval (superframes) */
|
|
u_int8_t tdma_inuse[1]; /* slot occupancy map */
|
|
u_int8_t tdma_pad[2];
|
|
u_int8_t tdma_tstamp[8]; /* timestamp from last beacon */
|
|
} __packed;
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* Implementation state.
|
|
*/
|
|
struct ieee80211_tdma_state {
|
|
u_int tdma_slotlen; /* bss slot length (us) */
|
|
uint8_t tdma_version; /* protocol version to use */
|
|
uint8_t tdma_slotcnt; /* bss slot count */
|
|
uint8_t tdma_bintval; /* beacon interval (slots) */
|
|
uint8_t tdma_slot; /* station slot # */
|
|
uint8_t tdma_inuse[1]; /* mask of slots in use */
|
|
uint8_t tdma_active[1]; /* mask of active slots */
|
|
int tdma_count; /* active/inuse countdown */
|
|
void *tdma_peer; /* peer station cookie */
|
|
struct timeval tdma_lastprint; /* time of last rate-limited printf */
|
|
int tdma_fails; /* fail count for rate-limiting */
|
|
|
|
/* parent method pointers */
|
|
int (*tdma_newstate)(struct ieee80211vap *, enum ieee80211_state,
|
|
int arg);
|
|
void (*tdma_recv_mgmt)(struct ieee80211_node *,
|
|
struct mbuf *, int, int, int);
|
|
void (*tdma_opdetach)(struct ieee80211vap *);
|
|
};
|
|
|
|
#define TDMA_UPDATE_SLOT 0x0001 /* tdma_slot changed */
|
|
#define TDMA_UPDATE_SLOTCNT 0x0002 /* tdma_slotcnt changed */
|
|
#define TDMA_UPDATE_SLOTLEN 0x0004 /* tdma_slotlen changed */
|
|
#define TDMA_UPDATE_BINTVAL 0x0008 /* tdma_bintval changed */
|
|
|
|
void ieee80211_tdma_vattach(struct ieee80211vap *);
|
|
|
|
int ieee80211_tdma_getslot(struct ieee80211vap *vap);
|
|
void ieee80211_parse_tdma(struct ieee80211_node *ni, const uint8_t *ie);
|
|
uint8_t *ieee80211_add_tdma(uint8_t *frm, struct ieee80211vap *vap);
|
|
struct ieee80211_beacon_offsets;
|
|
void ieee80211_tdma_update_beacon(struct ieee80211vap *vap,
|
|
struct ieee80211_beacon_offsets *bo);
|
|
#endif /* _KERNEL */
|
|
#endif /* !_NET80211_IEEE80211_TDMA_H_ */
|