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Revamp 802.11 action frame handling:

Browse Source 
o add a new facility for components to register send+recv handlers
o ieee80211_send_action and ieee80211_recv_action now use the registered
  handlers to dispatch operations
o rev ieee80211_send_action api to enable passing arbitrary data
o rev ieee80211_recv_action api to pass the 802.11 frame header as it may
  be difficult to locate
o update existing IEEE80211_ACTION_CAT_BA and IEEE80211_ACTION_CAT_HT handling
o update mwl for api rev

Reviewed by:	rpaulo
Approved by:	re (kensmith)
This commit is contained in:
Sam Leffler 2009-07-05 17:59:19 +00:00
parent 8c393fd1f0
commit 7634012302
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=195377
12 changed files with 737 additions and 370 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/conf/files
View File

@ -2231,6 +2231,7 @@ net/zlib.c optional crypto | geom_uzip | ipsec | \
ddb_ctf
net80211/ieee80211.c optional wlan
net80211/ieee80211_acl.c optional wlan wlan_acl
net80211/ieee80211_action.c optional wlan
net80211/ieee80211_adhoc.c optional wlan
net80211/ieee80211_amrr.c optional wlan wlan_amrr
net80211/ieee80211_crypto.c optional wlan

11
sys/dev/mwl/if_mwl.c
View File

@ -144,7 +144,8 @@ static void mwl_tx_proc(void *, int);
static int mwl_chan_set(struct mwl_softc *, struct ieee80211_channel *);
static void mwl_draintxq(struct mwl_softc *);
static void mwl_cleartxq(struct mwl_softc *, struct ieee80211vap *);
static void mwl_recv_action(struct ieee80211_node *,
static int mwl_recv_action(struct ieee80211_node *,
const struct ieee80211_frame *,
const uint8_t *, const uint8_t *);
static int mwl_addba_request(struct ieee80211_node *,
struct ieee80211_tx_ampdu *, int dialogtoken,
@ -3656,8 +3657,9 @@ mwl_cleartxq(struct mwl_softc *sc, struct ieee80211vap *vap)
}
}
static void
mwl_recv_action(struct ieee80211_node *ni, const uint8_t *frm, const uint8_t *efrm)
static int
mwl_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc;
const struct ieee80211_action *ia;
@ -3671,8 +3673,9 @@ mwl_recv_action(struct ieee80211_node *ni, const uint8_t *frm, const uint8_t *ef
mwl_hal_setmimops(sc->sc_mh, ni->ni_macaddr,
mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA,
MS(mps->am_control, IEEE80211_A_HT_MIMOPWRSAVE_MODE));
return 0;
} else
sc->sc_recv_action(ni, frm, efrm);
return sc->sc_recv_action(ni, wh, frm, efrm);
}
static int

3
sys/dev/mwl/if_mwlvar.h
View File

@ -289,7 +289,8 @@ struct mwl_softc {
enum ieee80211_state, int);
void (*sc_node_cleanup)(struct ieee80211_node *);
void (*sc_node_drain)(struct ieee80211_node *);
void (*sc_recv_action)(struct ieee80211_node *,
int (*sc_recv_action)(struct ieee80211_node *,
const struct ieee80211_frame *,
const uint8_t *, const uint8_t *);
int (*sc_addba_request)(struct ieee80211_node *,
struct ieee80211_tx_ampdu *,

291
sys/net80211/ieee80211_action.c Normal file
View File

@ -0,0 +1,291 @@
/*-
* Copyright (c) 2009 Sam Leffler, Errno Consulting
* 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.
*/
#include <sys/cdefs.h>
#ifdef __FreeBSD__
__FBSDID("$FreeBSD$");
#endif
/*
* IEEE 802.11 send/recv action frame support.
*/
#include "opt_inet.h"
#include "opt_wlan.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/ethernet.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_action.h>
static int
send_inval(struct ieee80211_node *ni, int cat, int act, void *sa)
{
return EINVAL;
}
static ieee80211_send_action_func *ba_send_action[8] = {
send_inval, send_inval, send_inval, send_inval,
send_inval, send_inval, send_inval, send_inval,
};
static ieee80211_send_action_func *ht_send_action[8] = {
send_inval, send_inval, send_inval, send_inval,
send_inval, send_inval, send_inval, send_inval,
};
/* NB: temporary until 802.11s support is added */
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
static ieee80211_send_action_func *meshpl_send_action[8] = {
send_inval, send_inval, send_inval, send_inval,
send_inval, send_inval, send_inval, send_inval,
};
static ieee80211_send_action_func *meshlm_send_action[4] = {
send_inval, send_inval, send_inval, send_inval,
};
static ieee80211_send_action_func *hwmp_send_action[8] = {
send_inval, send_inval, send_inval, send_inval,
send_inval, send_inval, send_inval, send_inval,
};
#endif
static ieee80211_send_action_func *vendor_send_action[8] = {
send_inval, send_inval, send_inval, send_inval,
send_inval, send_inval, send_inval, send_inval,
};
int
ieee80211_send_action_register(int cat, int act, ieee80211_send_action_func *f)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
switch (cat) {
case IEEE80211_ACTION_CAT_BA:
if (act >= N(ba_send_action))
break;
ba_send_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_HT:
if (act >= N(ht_send_action))
break;
ht_send_action[act] = f;
return 0;
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
case IEEE80211_ACTION_CAT_MESHPEERING:
if (act >= N(meshpl_send_action))
break;
meshpl_send_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_MESHLMETRIC:
if (act >= N(meshlm_send_action))
break;
meshlm_send_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_MESHPATH:
if (act > N(hwmp_send_action))
break;
hwmp_send_action[act] = f;
return 0;
#endif
case IEEE80211_ACTION_CAT_VENDOR:
if (act >= N(vendor_send_action))
break;
vendor_send_action[act] = f;
return 0;
}
return EINVAL;
#undef N
}
void
ieee80211_send_action_unregister(int cat, int act)
{
ieee80211_send_action_register(cat, act, send_inval);
}
int
ieee80211_send_action(struct ieee80211_node *ni, int cat, int act, void *sa)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
ieee80211_send_action_func *f = send_inval;
switch (cat) {
case IEEE80211_ACTION_CAT_BA:
if (act < N(ba_send_action))
f = ba_send_action[act];
break;
case IEEE80211_ACTION_CAT_HT:
if (act < N(ht_send_action))
f = ht_send_action[act];
break;
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
case IEEE80211_ACTION_CAT_MESHPEERING:
if (act < N(meshpl_send_action))
f = meshpl_send_action[act];
break;
case IEEE80211_ACTION_CAT_MESHLMETRIC:
if (act < N(meshlm_send_action))
f = meshlm_send_action[act];
break;
case IEEE80211_ACTION_CAT_MESHPATH:
if (act < N(hwmp_send_action))
f = hwmp_send_action[act];
break;
#endif
case IEEE80211_ACTION_CAT_VENDOR:
if (act < N(vendor_send_action))
f = vendor_send_action[act];
break;
}
return f(ni, cat, act, sa);
#undef N
}
static int
recv_inval(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
return EINVAL;
}
static ieee80211_recv_action_func *ba_recv_action[8] = {
recv_inval, recv_inval, recv_inval, recv_inval,
recv_inval, recv_inval, recv_inval, recv_inval,
};
static ieee80211_recv_action_func *ht_recv_action[8] = {
recv_inval, recv_inval, recv_inval, recv_inval,
recv_inval, recv_inval, recv_inval, recv_inval,
};
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
static ieee80211_recv_action_func *meshpl_recv_action[8] = {
recv_inval, recv_inval, recv_inval, recv_inval,
recv_inval, recv_inval, recv_inval, recv_inval,
};
static ieee80211_recv_action_func *meshlm_recv_action[4] = {
recv_inval, recv_inval, recv_inval, recv_inval,
};
static ieee80211_recv_action_func *hwmp_recv_action[8] = {
recv_inval, recv_inval, recv_inval, recv_inval,
recv_inval, recv_inval, recv_inval, recv_inval,
};
#endif
static ieee80211_recv_action_func *vendor_recv_action[8] = {
recv_inval, recv_inval, recv_inval, recv_inval,
recv_inval, recv_inval, recv_inval, recv_inval,
};
int
ieee80211_recv_action_register(int cat, int act, ieee80211_recv_action_func *f)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
switch (cat) {
case IEEE80211_ACTION_CAT_BA:
if (act >= N(ba_recv_action))
break;
ba_recv_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_HT:
if (act >= N(ht_recv_action))
break;
ht_recv_action[act] = f;
return 0;
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
case IEEE80211_ACTION_CAT_MESHPEERING:
if (act >= N(meshpl_recv_action))
break;
meshpl_recv_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_MESHLMETRIC:
if (act >= N(meshlm_recv_action))
break;
meshlm_recv_action[act] = f;
return 0;
case IEEE80211_ACTION_CAT_MESHPATH:
if (act >= N(hwmp_recv_action))
break;
hwmp_recv_action[act] = f;
return 0;
#endif
case IEEE80211_ACTION_CAT_VENDOR:
if (act >= N(vendor_recv_action))
break;
vendor_recv_action[act] = f;
return 0;
}
return EINVAL;
#undef N
}
void
ieee80211_recv_action_unregister(int cat, int act)
{
ieee80211_recv_action_register(cat, act, recv_inval);
}
int
ieee80211_recv_action(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
ieee80211_recv_action_func *f = recv_inval;
const struct ieee80211_action *ia =
(const struct ieee80211_action *) frm;
switch (ia->ia_category) {
case IEEE80211_ACTION_CAT_BA:
if (ia->ia_action < N(ba_recv_action))
f = ba_recv_action[ia->ia_action];
break;
case IEEE80211_ACTION_CAT_HT:
if (ia->ia_action < N(ht_recv_action))
f = ht_recv_action[ia->ia_action];
break;
#ifdef IEEE80211_ACTION_CAT_MESHPEERING
case IEEE80211_ACTION_CAT_MESHPEERING:
if (ia->ia_action < N(meshpl_recv_action))
f = meshpl_recv_action[ia->ia_action];
break;
case IEEE80211_ACTION_CAT_MESHLMETRIC:
if (ia->ia_action < N(meshlm_recv_action))
f = meshlm_recv_action[ia->ia_action];
break;
case IEEE80211_ACTION_CAT_MESHPATH:
if (ia->ia_action < N(hwmp_recv_action))
f = hwmp_recv_action[ia->ia_action];
break;
#endif
case IEEE80211_ACTION_CAT_VENDOR:
if (ia->ia_action < N(vendor_recv_action))
f = vendor_recv_action[ia->ia_action];
break;
}
return f(ni, wh, frm, efrm);
#undef N
}

52
sys/net80211/ieee80211_action.h Normal file
View File

@ -0,0 +1,52 @@
/*-
* Copyright (c) 2009 Sam Leffler, Errno Consulting
* 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_ACTION_H_
#define _NET80211_IEEE80211_ACTION_H_
/*
* 802.11 send/recv action frame support.
*/
struct ieee80211_node;
struct ieee80211_frame;
typedef int ieee80211_send_action_func(struct ieee80211_node *,
int, int, void *);
int ieee80211_send_action_register(int cat, int act,
ieee80211_send_action_func *f);
void ieee80211_send_action_unregister(int cat, int act);
int ieee80211_send_action(struct ieee80211_node *, int, int, void *);
typedef int ieee80211_recv_action_func(struct ieee80211_node *,
const struct ieee80211_frame *, const uint8_t *, const uint8_t *);
int ieee80211_recv_action_register(int cat, int act,
ieee80211_recv_action_func *);
void ieee80211_recv_action_unregister(int cat, int act);
int ieee80211_recv_action(struct ieee80211_node *,
const struct ieee80211_frame *,
const uint8_t *, const uint8_t *);
#endif /* _NET80211_IEEE80211_ACTION_H_ */

2
sys/net80211/ieee80211_adhoc.c
View File

@ -879,7 +879,7 @@ adhoc_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
}
break;
}
ic->ic_recv_action(ni, frm, efrm);
ic->ic_recv_action(ni, wh, frm, efrm);
break;
}

2
sys/net80211/ieee80211_hostap.c
View File

@ -2189,7 +2189,7 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
case IEEE80211_FC0_SUBTYPE_ACTION:
if (vap->iv_state == IEEE80211_S_RUN) {
if (ieee80211_parse_action(ni, m0) == 0)
ic->ic_recv_action(ni, frm, efrm);
ic->ic_recv_action(ni, wh, frm, efrm);
} else
vap->iv_stats.is_rx_mgtdiscard++;
break;

730
sys/net80211/ieee80211_ht.c
View File

@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
#include <net/ethernet.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_action.h>
#include <net80211/ieee80211_input.h>
/* define here, used throughout file */
@ -104,20 +105,52 @@ SYSCTL_INT(_net_wlan, OID_AUTO, addba_maxtries, CTLTYPE_INT | CTLFLAG_RW,
static int ieee80211_bar_timeout = -1; /* timeout waiting for BAR response */
static int ieee80211_bar_maxtries = 50;/* max BAR requests before DELBA */
/*
* Setup HT parameters that depends on the clock frequency.
*/
static ieee80211_recv_action_func ht_recv_action_ba_addba_request;
static ieee80211_recv_action_func ht_recv_action_ba_addba_response;
static ieee80211_recv_action_func ht_recv_action_ba_delba;
static ieee80211_recv_action_func ht_recv_action_ht_mimopwrsave;
static ieee80211_recv_action_func ht_recv_action_ht_txchwidth;
static ieee80211_send_action_func ht_send_action_ba_addba;
static ieee80211_send_action_func ht_send_action_ba_delba;
static ieee80211_send_action_func ht_send_action_ht_txchwidth;
static void
ieee80211_ht_setup(void)
ieee80211_ht_init(void)
{
/*
* Setup HT parameters that depends on the clock frequency.
*/
#ifdef IEEE80211_AMPDU_AGE
ieee80211_ampdu_age = msecs_to_ticks(500);
#endif
ieee80211_addba_timeout = msecs_to_ticks(250);
ieee80211_addba_backoff = msecs_to_ticks(10*1000);
ieee80211_bar_timeout = msecs_to_ticks(250);
/*
* Register action frame handlers.
*/
ieee80211_recv_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_REQUEST, ht_recv_action_ba_addba_request);
ieee80211_recv_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_RESPONSE, ht_recv_action_ba_addba_response);
ieee80211_recv_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_DELBA, ht_recv_action_ba_delba);
ieee80211_recv_action_register(IEEE80211_ACTION_CAT_HT,
IEEE80211_ACTION_HT_MIMOPWRSAVE, ht_recv_action_ht_mimopwrsave);
ieee80211_recv_action_register(IEEE80211_ACTION_CAT_HT,
IEEE80211_ACTION_HT_TXCHWIDTH, ht_recv_action_ht_txchwidth);
ieee80211_send_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_REQUEST, ht_send_action_ba_addba);
ieee80211_send_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_RESPONSE, ht_send_action_ba_addba);
ieee80211_send_action_register(IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_DELBA, ht_send_action_ba_delba);
ieee80211_send_action_register(IEEE80211_ACTION_CAT_HT,
IEEE80211_ACTION_HT_TXCHWIDTH, ht_send_action_ht_txchwidth);
}
SYSINIT(wlan_ht, SI_SUB_DRIVERS, SI_ORDER_FIRST, ieee80211_ht_setup, NULL);
SYSINIT(wlan_ht, SI_SUB_DRIVERS, SI_ORDER_FIRST, ieee80211_ht_init, NULL);
static int ieee80211_ampdu_enable(struct ieee80211_node *ni,
struct ieee80211_tx_ampdu *tap);
@ -129,8 +162,6 @@ static int ieee80211_addba_response(struct ieee80211_node *ni,
int code, int baparamset, int batimeout);
static void ieee80211_addba_stop(struct ieee80211_node *ni,
struct ieee80211_tx_ampdu *tap);
static void ieee80211_aggr_recv_action(struct ieee80211_node *ni,
const uint8_t *frm, const uint8_t *efrm);
static void ieee80211_bar_response(struct ieee80211_node *ni,
struct ieee80211_tx_ampdu *tap, int status);
static void ampdu_tx_stop(struct ieee80211_tx_ampdu *tap);
@ -143,7 +174,7 @@ void
ieee80211_ht_attach(struct ieee80211com *ic)
{
/* setup default aggregation policy */
ic->ic_recv_action = ieee80211_aggr_recv_action;
ic->ic_recv_action = ieee80211_recv_action;
ic->ic_send_action = ieee80211_send_action;
ic->ic_ampdu_enable = ieee80211_ampdu_enable;
ic->ic_addba_request = ieee80211_addba_request;
@ -1580,247 +1611,221 @@ ieee80211_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
* update our aggregation state. All other frames are passed up
* for processing by ieee80211_recv_action.
*/
static void
ieee80211_aggr_recv_action(struct ieee80211_node *ni,
static int
ht_recv_action_ba_addba_request(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap;
const struct ieee80211_action *ia;
struct ieee80211_rx_ampdu *rap;
struct ieee80211_tx_ampdu *tap;
uint8_t dialogtoken, policy;
uint16_t baparamset, batimeout, baseqctl, code;
uint8_t dialogtoken;
uint16_t baparamset, batimeout, baseqctl;
uint16_t args[4];
int tid, ac, bufsiz;
int tid;
ia = (const struct ieee80211_action *) frm;
switch (ia->ia_category) {
case IEEE80211_ACTION_CAT_BA:
switch (ia->ia_action) {
case IEEE80211_ACTION_BA_ADDBA_REQUEST:
dialogtoken = frm[2];
baparamset = LE_READ_2(frm+3);
batimeout = LE_READ_2(frm+5);
baseqctl = LE_READ_2(frm+7);
dialogtoken = frm[2];
baparamset = LE_READ_2(frm+3);
batimeout = LE_READ_2(frm+5);
baseqctl = LE_READ_2(frm+7);
tid = MS(baparamset, IEEE80211_BAPS_TID);
tid = MS(baparamset, IEEE80211_BAPS_TID);
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv ADDBA request: dialogtoken %u "
"baparamset 0x%x (tid %d bufsiz %d) batimeout %d "
"baseqctl %d:%d",
dialogtoken, baparamset,
tid, MS(baparamset, IEEE80211_BAPS_BUFSIZ),
batimeout,
MS(baseqctl, IEEE80211_BASEQ_START),
MS(baseqctl, IEEE80211_BASEQ_FRAG));
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv ADDBA request: dialogtoken %u baparamset 0x%x "
"(tid %d bufsiz %d) batimeout %d baseqctl %d:%d",
dialogtoken, baparamset,
tid, MS(baparamset, IEEE80211_BAPS_BUFSIZ),
batimeout,
MS(baseqctl, IEEE80211_BASEQ_START),
MS(baseqctl, IEEE80211_BASEQ_FRAG));
rap = &ni->ni_rx_ampdu[tid];
rap = &ni->ni_rx_ampdu[tid];
/* Send ADDBA response */
args[0] = dialogtoken;
/*
* NB: We ack only if the sta associated with HT and
* the ap is configured to do AMPDU rx (the latter
* violates the 11n spec and is mostly for testing).
*/
if ((ni->ni_flags & IEEE80211_NODE_AMPDU_RX) &&
(vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)) {
/* XXX handle ampdu_rx_start failure */
ic->ic_ampdu_rx_start(ni, rap,
baparamset, batimeout, baseqctl);
/* Send ADDBA response */
args[0] = dialogtoken;
/*
* NB: We ack only if the sta associated with HT and
* the ap is configured to do AMPDU rx (the latter
* violates the 11n spec and is mostly for testing).
*/
if ((ni->ni_flags & IEEE80211_NODE_AMPDU_RX) &&
(vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)) {
/* XXX handle ampdu_rx_start failure */
ic->ic_ampdu_rx_start(ni, rap,
baparamset, batimeout, baseqctl);
args[1] = IEEE80211_STATUS_SUCCESS;
} else {
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni, "reject ADDBA request: %s",
ni->ni_flags & IEEE80211_NODE_AMPDU_RX ?
"administratively disabled" :
"not negotiated for station");
vap->iv_stats.is_addba_reject++;
args[1] = IEEE80211_STATUS_UNSPECIFIED;
}
/* XXX honor rap flags? */
args[2] = IEEE80211_BAPS_POLICY_IMMEDIATE
| SM(tid, IEEE80211_BAPS_TID)
| SM(rap->rxa_wnd, IEEE80211_BAPS_BUFSIZ)
;
args[3] = 0;
ic->ic_send_action(ni, IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_RESPONSE, args);
return;
case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
dialogtoken = frm[2];
code = LE_READ_2(frm+3);
baparamset = LE_READ_2(frm+5);
tid = MS(baparamset, IEEE80211_BAPS_TID);
bufsiz = MS(baparamset, IEEE80211_BAPS_BUFSIZ);
policy = MS(baparamset, IEEE80211_BAPS_POLICY);
batimeout = LE_READ_2(frm+7);
ac = TID_TO_WME_AC(tid);
tap = &ni->ni_tx_ampdu[ac];
if ((tap->txa_flags & IEEE80211_AGGR_XCHGPEND) == 0) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"no pending ADDBA, tid %d dialogtoken %u "
"code %d", tid, dialogtoken, code);
vap->iv_stats.is_addba_norequest++;
return;
}
if (dialogtoken != tap->txa_token) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"dialogtoken mismatch: waiting for %d, "
"received %d, tid %d code %d",
tap->txa_token, dialogtoken, tid, code);
vap->iv_stats.is_addba_badtoken++;
return;
}
/* NB: assumes IEEE80211_AGGR_IMMEDIATE is 1 */
if (policy != (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE)) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"policy mismatch: expecting %s, "
"received %s, tid %d code %d",
tap->txa_flags & IEEE80211_AGGR_IMMEDIATE,
policy, tid, code);
vap->iv_stats.is_addba_badpolicy++;
return;
}
#if 0
/* XXX we take MIN in ieee80211_addba_response */
if (bufsiz > IEEE80211_AGGR_BAWMAX) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"BA window too large: max %d, "
"received %d, tid %d code %d",
bufsiz, IEEE80211_AGGR_BAWMAX, tid, code);
vap->iv_stats.is_addba_badbawinsize++;
return;
}
#endif
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv ADDBA response: dialogtoken %u code %d "
"baparamset 0x%x (tid %d bufsiz %d) batimeout %d",
dialogtoken, code, baparamset, tid, bufsiz,
batimeout);
ic->ic_addba_response(ni, tap,
code, baparamset, batimeout);
return;
case IEEE80211_ACTION_BA_DELBA:
baparamset = LE_READ_2(frm+2);
code = LE_READ_2(frm+4);
tid = MS(baparamset, IEEE80211_DELBAPS_TID);
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv DELBA: baparamset 0x%x (tid %d initiator %d) "
"code %d", baparamset, tid,
MS(baparamset, IEEE80211_DELBAPS_INIT), code);
if ((baparamset & IEEE80211_DELBAPS_INIT) == 0) {
ac = TID_TO_WME_AC(tid);
tap = &ni->ni_tx_ampdu[ac];
ic->ic_addba_stop(ni, tap);
} else {
rap = &ni->ni_rx_ampdu[tid];
ic->ic_ampdu_rx_stop(ni, rap);
}
return;
}
break;
args[1] = IEEE80211_STATUS_SUCCESS;
} else {
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni, "reject ADDBA request: %s",
ni->ni_flags & IEEE80211_NODE_AMPDU_RX ?
"administratively disabled" :
"not negotiated for station");
vap->iv_stats.is_addba_reject++;
args[1] = IEEE80211_STATUS_UNSPECIFIED;
}
ieee80211_recv_action(ni, frm, efrm);
/* XXX honor rap flags? */
args[2] = IEEE80211_BAPS_POLICY_IMMEDIATE
| SM(tid, IEEE80211_BAPS_TID)
| SM(rap->rxa_wnd, IEEE80211_BAPS_BUFSIZ)
;
args[3] = 0;
ic->ic_send_action(ni, IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_ADDBA_RESPONSE, args);
return 0;
}
/*
* Process a received 802.11n action frame.
* Aggregation-related frames are assumed to be handled
* already; we handle any other frames we can, otherwise
* complain about being unsupported (with debugging).
*/
void
ieee80211_recv_action(struct ieee80211_node *ni,
static int
ht_recv_action_ba_addba_response(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap;
const struct ieee80211_action *ia;
struct ieee80211_tx_ampdu *tap;
uint8_t dialogtoken, policy;
uint16_t baparamset, batimeout, code;
int tid, ac, bufsiz;
dialogtoken = frm[2];
code = LE_READ_2(frm+3);
baparamset = LE_READ_2(frm+5);
tid = MS(baparamset, IEEE80211_BAPS_TID);
bufsiz = MS(baparamset, IEEE80211_BAPS_BUFSIZ);
policy = MS(baparamset, IEEE80211_BAPS_POLICY);
batimeout = LE_READ_2(frm+7);
ac = TID_TO_WME_AC(tid);
tap = &ni->ni_tx_ampdu[ac];
if ((tap->txa_flags & IEEE80211_AGGR_XCHGPEND) == 0) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"no pending ADDBA, tid %d dialogtoken %u "
"code %d", tid, dialogtoken, code);
vap->iv_stats.is_addba_norequest++;
return 0;
}
if (dialogtoken != tap->txa_token) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"dialogtoken mismatch: waiting for %d, "
"received %d, tid %d code %d",
tap->txa_token, dialogtoken, tid, code);
vap->iv_stats.is_addba_badtoken++;
return 0;
}
/* NB: assumes IEEE80211_AGGR_IMMEDIATE is 1 */
if (policy != (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE)) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"policy mismatch: expecting %s, "
"received %s, tid %d code %d",
tap->txa_flags & IEEE80211_AGGR_IMMEDIATE,
policy, tid, code);
vap->iv_stats.is_addba_badpolicy++;
return 0;
}
#if 0
/* XXX we take MIN in ieee80211_addba_response */
if (bufsiz > IEEE80211_AGGR_BAWMAX) {
IEEE80211_DISCARD_MAC(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni->ni_macaddr, "ADDBA response",
"BA window too large: max %d, "
"received %d, tid %d code %d",
bufsiz, IEEE80211_AGGR_BAWMAX, tid, code);
vap->iv_stats.is_addba_badbawinsize++;
return 0;
}
#endif
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv ADDBA response: dialogtoken %u code %d "
"baparamset 0x%x (tid %d bufsiz %d) batimeout %d",
dialogtoken, code, baparamset, tid, bufsiz,
batimeout);
ic->ic_addba_response(ni, tap, code, baparamset, batimeout);
return 0;
}
static int
ht_recv_action_ba_delba(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211_rx_ampdu *rap;
struct ieee80211_tx_ampdu *tap;
uint16_t baparamset, code;
int tid, ac;
baparamset = LE_READ_2(frm+2);
code = LE_READ_2(frm+4);
tid = MS(baparamset, IEEE80211_DELBAPS_TID);
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"recv DELBA: baparamset 0x%x (tid %d initiator %d) "
"code %d", baparamset, tid,
MS(baparamset, IEEE80211_DELBAPS_INIT), code);
if ((baparamset & IEEE80211_DELBAPS_INIT) == 0) {
ac = TID_TO_WME_AC(tid);
tap = &ni->ni_tx_ampdu[ac];
ic->ic_addba_stop(ni, tap);
} else {
rap = &ni->ni_rx_ampdu[tid];
ic->ic_ampdu_rx_stop(ni, rap);
}
return 0;
}
static int
ht_recv_action_ht_txchwidth(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
int chw;
ia = (const struct ieee80211_action *) frm;
switch (ia->ia_category) {
case IEEE80211_ACTION_CAT_BA:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: BA action %d not implemented", __func__,
ia->ia_action);
vap->iv_stats.is_rx_mgtdiscard++;
break;
case IEEE80211_ACTION_CAT_HT:
switch (ia->ia_action) {
case IEEE80211_ACTION_HT_TXCHWIDTH:
chw = frm[2] == IEEE80211_A_HT_TXCHWIDTH_2040 ? 40 : 20;
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: HT txchwidth, width %d%s",
__func__, chw, ni->ni_chw != chw ? "*" : "");
if (chw != ni->ni_chw) {
ni->ni_chw = chw;
/* XXX notify on change */
}
break;
case IEEE80211_ACTION_HT_MIMOPWRSAVE: {
const struct ieee80211_action_ht_mimopowersave *mps =
(const struct ieee80211_action_ht_mimopowersave *) ia;
/* XXX check iv_htcaps */
if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA)
ni->ni_flags |= IEEE80211_NODE_MIMO_PS;
else
ni->ni_flags &= ~IEEE80211_NODE_MIMO_PS;
if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_MODE)
ni->ni_flags |= IEEE80211_NODE_MIMO_RTS;
else
ni->ni_flags &= ~IEEE80211_NODE_MIMO_RTS;
/* XXX notify on change */
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: HT MIMO PS (%s%s)", __func__,
(ni->ni_flags & IEEE80211_NODE_MIMO_PS) ?
"on" : "off",
(ni->ni_flags & IEEE80211_NODE_MIMO_RTS) ?
"+rts" : ""
);
break;
}
default:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: HT action %d not implemented", __func__,
ia->ia_action);
vap->iv_stats.is_rx_mgtdiscard++;
break;
}
break;
default:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: category %d not implemented", __func__,
ia->ia_category);
vap->iv_stats.is_rx_mgtdiscard++;
break;
chw = (frm[2] == IEEE80211_A_HT_TXCHWIDTH_2040) ? 40 : 20;
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: HT txchwidth, width %d%s",
__func__, chw, ni->ni_chw != chw ? "*" : "");
if (chw != ni->ni_chw) {
ni->ni_chw = chw;
/* XXX notify on change */
}
return 0;
}
static int
ht_recv_action_ht_mimopwrsave(struct ieee80211_node *ni,
const struct ieee80211_frame *wh,
const uint8_t *frm, const uint8_t *efrm)
{
const struct ieee80211_action_ht_mimopowersave *mps =
(const struct ieee80211_action_ht_mimopowersave *) frm;
/* XXX check iv_htcaps */
if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA)
ni->ni_flags |= IEEE80211_NODE_MIMO_PS;
else
ni->ni_flags &= ~IEEE80211_NODE_MIMO_PS;
if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_MODE)
ni->ni_flags |= IEEE80211_NODE_MIMO_RTS;
else
ni->ni_flags &= ~IEEE80211_NODE_MIMO_RTS;
/* XXX notify on change */
IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: HT MIMO PS (%s%s)", __func__,
(ni->ni_flags & IEEE80211_NODE_MIMO_PS) ? "on" : "off",
(ni->ni_flags & IEEE80211_NODE_MIMO_RTS) ? "+rts" : ""
);
return 0;
}
/*
@ -1937,7 +1942,7 @@ ieee80211_ampdu_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
args[0] = WME_AC_TO_TID(tap->txa_ac);
args[1] = IEEE80211_DELBAPS_INIT;
args[2] = reason; /* XXX reason code */
ieee80211_send_action(ni, IEEE80211_ACTION_CAT_BA,
ic->ic_send_action(ni, IEEE80211_ACTION_CAT_BA,
IEEE80211_ACTION_BA_DELBA, args);
} else {
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
@ -2115,126 +2120,10 @@ ieee80211_send_bar(struct ieee80211_node *ni,
#undef senderr
}
/*
* Send an action management frame. The arguments are stuff
* into a frame without inspection; the caller is assumed to
* prepare them carefully (e.g. based on the aggregation state).
*/
int
ieee80211_send_action(struct ieee80211_node *ni,
int category, int action, uint16_t args[4])
static int
ht_action_output(struct ieee80211_node *ni, struct mbuf *m)
{
#define senderr(_x, _v) do { vap->iv_stats._v++; ret = _x; goto bad; } while (0)
#define ADDSHORT(frm, v) do { \
frm[0] = (v) & 0xff; \
frm[1] = (v) >> 8; \
frm += 2; \
} while (0)
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211_bpf_params params;
struct mbuf *m;
uint8_t *frm;
uint16_t baparamset;
int ret;
KASSERT(ni != NULL, ("null node"));
/*
* Hold a reference on the node so it doesn't go away until after
* the xmit is complete all the way in the driver. On error we
* will remove our reference.
*/
IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
"ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n",
__func__, __LINE__,
ni, ether_sprintf(ni->ni_macaddr),
ieee80211_node_refcnt(ni)+1);
ieee80211_ref_node(ni);
m = ieee80211_getmgtframe(&frm,
ic->ic_headroom + sizeof(struct ieee80211_frame),
sizeof(uint16_t) /* action+category */
/* XXX may action payload */
+ sizeof(struct ieee80211_action_ba_addbaresponse)
);
if (m == NULL)
senderr(ENOMEM, is_tx_nobuf);
*frm++ = category;
*frm++ = action;
switch (category) {
case IEEE80211_ACTION_CAT_BA:
switch (action) {
case IEEE80211_ACTION_BA_ADDBA_REQUEST:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send ADDBA request: dialogtoken %d "
"baparamset 0x%x (tid %d) batimeout 0x%x baseqctl 0x%x",
args[0], args[1], MS(args[1], IEEE80211_BAPS_TID),
args[2], args[3]);
*frm++ = args[0]; /* dialog token */
ADDSHORT(frm, args[1]); /* baparamset */
ADDSHORT(frm, args[2]); /* batimeout */
ADDSHORT(frm, args[3]); /* baseqctl */
break;
case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send ADDBA response: dialogtoken %d status %d "
"baparamset 0x%x (tid %d) batimeout %d",
args[0], args[1], args[2],
MS(args[2], IEEE80211_BAPS_TID), args[3]);
*frm++ = args[0]; /* dialog token */
ADDSHORT(frm, args[1]); /* statuscode */
ADDSHORT(frm, args[2]); /* baparamset */
ADDSHORT(frm, args[3]); /* batimeout */
break;
case IEEE80211_ACTION_BA_DELBA:
/* XXX */
baparamset = SM(args[0], IEEE80211_DELBAPS_TID)
| args[1]
;
ADDSHORT(frm, baparamset);
ADDSHORT(frm, args[2]); /* reason code */
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send DELBA action: tid %d, initiator %d reason %d",
args[0], args[1], args[2]);
break;
default:
goto badaction;
}
break;
case IEEE80211_ACTION_CAT_HT:
switch (action) {
case IEEE80211_ACTION_HT_TXCHWIDTH:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
ni, "send HT txchwidth: width %d",
IEEE80211_IS_CHAN_HT40(ni->ni_chan) ? 40 : 20
);
*frm++ = IEEE80211_IS_CHAN_HT40(ni->ni_chan) ?
IEEE80211_A_HT_TXCHWIDTH_2040 :
IEEE80211_A_HT_TXCHWIDTH_20;
break;
default:
goto badaction;
}
break;
default:
badaction:
IEEE80211_NOTE(vap,
IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"%s: unsupported category %d action %d", __func__,
category, action);
senderr(EINVAL, is_tx_unknownmgt);
/* NOTREACHED */
}
m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
memset(&params, 0, sizeof(params));
params.ibp_pri = WME_AC_VO;
@ -2244,15 +2133,148 @@ ieee80211_send_action(struct ieee80211_node *ni,
params.ibp_power = ni->ni_txpower;
return ieee80211_mgmt_output(ni, m, IEEE80211_FC0_SUBTYPE_ACTION,
&params);
bad:
ieee80211_free_node(ni);
if (m != NULL)
m_freem(m);
return ret;
#undef ADDSHORT
#undef senderr
}
#define ADDSHORT(frm, v) do { \
frm[0] = (v) & 0xff; \
frm[1] = (v) >> 8; \
frm += 2; \
} while (0)
/*
* Send an action management frame. The arguments are stuff
* into a frame without inspection; the caller is assumed to
* prepare them carefully (e.g. based on the aggregation state).
*/
static int
ht_send_action_ba_addba(struct ieee80211_node *ni,
int category, int action, void *arg0)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
uint16_t *args = arg0;
struct mbuf *m;
uint8_t *frm;
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send ADDBA %s: dialogtoken %d "
"baparamset 0x%x (tid %d) batimeout 0x%x baseqctl 0x%x",
(action == IEEE80211_ACTION_BA_ADDBA_REQUEST) ?
"request" : "response",
args[0], args[1], MS(args[1], IEEE80211_BAPS_TID),
args[2], args[3]);
IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
"ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__,
ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1);
ieee80211_ref_node(ni);
m = ieee80211_getmgtframe(&frm,
ic->ic_headroom + sizeof(struct ieee80211_frame),
sizeof(uint16_t) /* action+category */
/* XXX may action payload */
+ sizeof(struct ieee80211_action_ba_addbaresponse)
);
if (m != NULL) {
*frm++ = category;
*frm++ = action;
*frm++ = args[0]; /* dialog token */
ADDSHORT(frm, args[1]); /* baparamset */
ADDSHORT(frm, args[2]); /* batimeout */
if (action == IEEE80211_ACTION_BA_ADDBA_REQUEST)
ADDSHORT(frm, args[3]); /* baseqctl */
m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
return ht_action_output(ni, m);
} else {
vap->iv_stats.is_tx_nobuf++;
ieee80211_free_node(ni);
return ENOMEM;
}
}
static int
ht_send_action_ba_delba(struct ieee80211_node *ni,
int category, int action, void *arg0)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
uint16_t *args = arg0;
struct mbuf *m;
uint16_t baparamset;
uint8_t *frm;
baparamset = SM(args[0], IEEE80211_DELBAPS_TID)
| args[1]
;
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send DELBA action: tid %d, initiator %d reason %d",
args[0], args[1], args[2]);
IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
"ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__,
ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1);
ieee80211_ref_node(ni);
m = ieee80211_getmgtframe(&frm,
ic->ic_headroom + sizeof(struct ieee80211_frame),
sizeof(uint16_t) /* action+category */
/* XXX may action payload */
+ sizeof(struct ieee80211_action_ba_addbaresponse)
);
if (m != NULL) {
*frm++ = category;
*frm++ = action;
ADDSHORT(frm, baparamset);
ADDSHORT(frm, args[2]); /* reason code */
m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
return ht_action_output(ni, m);
} else {
vap->iv_stats.is_tx_nobuf++;
ieee80211_free_node(ni);
return ENOMEM;
}
}
static int
ht_send_action_ht_txchwidth(struct ieee80211_node *ni,
int category, int action, void *arg0)
{
struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
struct mbuf *m;
uint8_t *frm;
IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
"send HT txchwidth: width %d",
IEEE80211_IS_CHAN_HT40(ni->ni_chan) ? 40 : 20);
IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
"ieee80211_ref_node (%s:%u) %p<%s> refcnt %d\n", __func__, __LINE__,
ni, ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1);
ieee80211_ref_node(ni);
m = ieee80211_getmgtframe(&frm,
ic->ic_headroom + sizeof(struct ieee80211_frame),
sizeof(uint16_t) /* action+category */
/* XXX may action payload */
+ sizeof(struct ieee80211_action_ba_addbaresponse)
);
if (m != NULL) {
*frm++ = category;
*frm++ = action;
*frm++ = IEEE80211_IS_CHAN_HT40(ni->ni_chan) ?
IEEE80211_A_HT_TXCHWIDTH_2040 :
IEEE80211_A_HT_TXCHWIDTH_20;
m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
return ht_action_output(ni, m);
} else {
vap->iv_stats.is_tx_nobuf++;
ieee80211_free_node(ni);
return ENOMEM;
}
}
#undef ADDSHORT
/*
* Construct the MCS bit mask for inclusion
* in an HT information element.

4
sys/net80211/ieee80211_ht.h
View File

@ -186,16 +186,12 @@ void ieee80211_parse_htinfo(struct ieee80211_node *, const uint8_t *);
void ieee80211_ht_updateparams(struct ieee80211_node *, const uint8_t *,
const uint8_t *);
void ieee80211_ht_updatehtcap(struct ieee80211_node *, const uint8_t *);
void ieee80211_recv_action(struct ieee80211_node *,
const uint8_t *, const uint8_t *);
int ieee80211_ampdu_request(struct ieee80211_node *,
struct ieee80211_tx_ampdu *);
void ieee80211_ampdu_stop(struct ieee80211_node *,
struct ieee80211_tx_ampdu *, int);
int ieee80211_send_bar(struct ieee80211_node *, struct ieee80211_tx_ampdu *,
ieee80211_seq);
int ieee80211_send_action(struct ieee80211_node *,
int, int, uint16_t [4]);
uint8_t *ieee80211_add_htcap(uint8_t *, struct ieee80211_node *);
uint8_t *ieee80211_add_htcap_vendor(uint8_t *, struct ieee80211_node *);
uint8_t *ieee80211_add_htinfo(uint8_t *, struct ieee80211_node *);

2
sys/net80211/ieee80211_sta.c
View File

@ -1717,7 +1717,7 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
case IEEE80211_FC0_SUBTYPE_ACTION:
if (vap->iv_state == IEEE80211_S_RUN) {
if (ieee80211_parse_action(ni, m0) == 0)
ic->ic_recv_action(ni, frm, efrm);
ic->ic_recv_action(ni, wh, frm, efrm);
} else
vap->iv_stats.is_rx_mgtdiscard++;
break;

7
sys/net80211/ieee80211_var.h
View File

@ -112,6 +112,7 @@ struct ieee80211_rate_table;
struct ieee80211_tx_ampdu;
struct ieee80211_rx_ampdu;
struct ieee80211_superg;
struct ieee80211_frame;
struct ieee80211com {
struct ifnet *ic_ifp; /* associated device */
@ -282,11 +283,11 @@ struct ieee80211com {
* driver passes out-of-order frames to ieee80211_input
* from an assocated HT station.
*/
void (*ic_recv_action)(struct ieee80211_node *,
int (*ic_recv_action)(struct ieee80211_node *,
const struct ieee80211_frame *,
const uint8_t *frm, const uint8_t *efrm);
int (*ic_send_action)(struct ieee80211_node *,
int category, int action,
uint16_t args[4]);
int category, int action, void *);
/* check if A-MPDU should be enabled this station+ac */
int (*ic_ampdu_enable)(struct ieee80211_node *,
struct ieee80211_tx_ampdu *);

2
sys/net80211/ieee80211_wds.c
View File

@ -838,7 +838,7 @@ wds_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
}
ni->ni_inact = ni->ni_inact_reload;
if (ieee80211_parse_action(ni, m0) == 0)
ic->ic_recv_action(ni, frm, efrm);
ic->ic_recv_action(ni, wh, frm, efrm);
break;
default:
IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,