freebsd-skq/sys/net80211/ieee80211_vht.h
adrian b2805753eb [net80211] create a helper function to calculate the station facing VHT capabilities.
This is needed for two reasons:

* Drivers will need to know what the negotiated set of VHT capabilities
  and rates are in order to configure (and reconfigure for opmode/chanwidth
  changes) how to speak to a given peer; and
* Because some vendors are "special", we should be careful in what we announce
  to them during peer association.

This isn't the complete solution, as I still need to make sure that when
sending out probe requests before we know what we want, we don't limit
the capabilities being announced.  This is important for IBSS/mesh work
later on as probe request/response exchanges are the first hint at what
a peer supports.  I'll look at adding that to the API soon.
2017-01-10 05:30:15 +00:00

69 lines
2.8 KiB
C

/*-
* Copyright (c) 2016 Adrian Chadd <adrian@FreeBSD.org>
* 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_VHT_H_
#define _NET80211_IEEE80211_VHT_H_
void ieee80211_vht_attach(struct ieee80211com *);
void ieee80211_vht_detach(struct ieee80211com *);
void ieee80211_vht_vattach(struct ieee80211vap *);
void ieee80211_vht_vdetach(struct ieee80211vap *);
void ieee80211_vht_announce(struct ieee80211com *);
void ieee80211_vht_node_init(struct ieee80211_node *);
void ieee80211_vht_node_cleanup(struct ieee80211_node *);
void ieee80211_parse_vhtopmode(struct ieee80211_node *, const uint8_t *);
void ieee80211_parse_vhtcap(struct ieee80211_node *, const uint8_t *);
int ieee80211_vht_updateparams(struct ieee80211_node *,
const uint8_t *, const uint8_t *);
void ieee80211_setup_vht_rates(struct ieee80211_node *,
const uint8_t *, const uint8_t *);
void ieee80211_vht_timeout(struct ieee80211com *ic);
void ieee80211_vht_node_join(struct ieee80211_node *ni);
void ieee80211_vht_node_leave(struct ieee80211_node *ni);
uint8_t * ieee80211_add_vhtcap(uint8_t *frm, struct ieee80211_node *);
uint8_t * ieee80211_add_vhtinfo(uint8_t *frm, struct ieee80211_node *);
void ieee80211_vht_update_cap(struct ieee80211_node *,
const uint8_t *, const uint8_t *);
struct ieee80211_channel *
ieee80211_vht_adjust_channel(struct ieee80211com *,
struct ieee80211_channel *, int);
void ieee80211_vht_get_vhtcap_ie(struct ieee80211_node *ni,
struct ieee80211_ie_vhtcap *, int);
void ieee80211_vht_get_vhtinfo_ie(struct ieee80211_node *ni,
struct ieee80211_ie_vht_operation *, int);
#endif /* _NET80211_IEEE80211_VHT_H_ */