262 lines
7.5 KiB
C
262 lines
7.5 KiB
C
/*-
|
|
* 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/malloc.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_media.h>
|
|
#include <net/ethernet.h>
|
|
|
|
#include <net80211/ieee80211_var.h>
|
|
#include <net80211/ieee80211_action.h>
|
|
#include <net80211/ieee80211_mesh.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,
|
|
};
|
|
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 *meshaction_send_action[12] = {
|
|
send_inval, send_inval, send_inval, send_inval,
|
|
send_inval, send_inval, send_inval, send_inval,
|
|
send_inval, send_inval, send_inval, send_inval,
|
|
};
|
|
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)
|
|
{
|
|
switch (cat) {
|
|
case IEEE80211_ACTION_CAT_BA:
|
|
if (act >= nitems(ba_send_action))
|
|
break;
|
|
ba_send_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_HT:
|
|
if (act >= nitems(ht_send_action))
|
|
break;
|
|
ht_send_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_SELF_PROT:
|
|
if (act >= nitems(meshpl_send_action))
|
|
break;
|
|
meshpl_send_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_MESH:
|
|
if (act >= nitems(meshaction_send_action))
|
|
break;
|
|
meshaction_send_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_VENDOR:
|
|
if (act >= nitems(vendor_send_action))
|
|
break;
|
|
vendor_send_action[act] = f;
|
|
return 0;
|
|
}
|
|
return EINVAL;
|
|
}
|
|
|
|
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)
|
|
{
|
|
ieee80211_send_action_func *f = send_inval;
|
|
|
|
switch (cat) {
|
|
case IEEE80211_ACTION_CAT_BA:
|
|
if (act < nitems(ba_send_action))
|
|
f = ba_send_action[act];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_HT:
|
|
if (act < nitems(ht_send_action))
|
|
f = ht_send_action[act];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_SELF_PROT:
|
|
if (act < nitems(meshpl_send_action))
|
|
f = meshpl_send_action[act];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_MESH:
|
|
if (act < nitems(meshaction_send_action))
|
|
f = meshaction_send_action[act];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_VENDOR:
|
|
if (act < nitems(vendor_send_action))
|
|
f = vendor_send_action[act];
|
|
break;
|
|
}
|
|
return f(ni, cat, act, sa);
|
|
}
|
|
|
|
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,
|
|
};
|
|
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 *meshaction_recv_action[12] = {
|
|
recv_inval, recv_inval, recv_inval, recv_inval,
|
|
recv_inval, recv_inval, recv_inval, recv_inval,
|
|
recv_inval, recv_inval, recv_inval, recv_inval,
|
|
};
|
|
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)
|
|
{
|
|
switch (cat) {
|
|
case IEEE80211_ACTION_CAT_BA:
|
|
if (act >= nitems(ba_recv_action))
|
|
break;
|
|
ba_recv_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_HT:
|
|
if (act >= nitems(ht_recv_action))
|
|
break;
|
|
ht_recv_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_SELF_PROT:
|
|
if (act >= nitems(meshpl_recv_action))
|
|
break;
|
|
meshpl_recv_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_MESH:
|
|
if (act >= nitems(meshaction_recv_action))
|
|
break;
|
|
meshaction_recv_action[act] = f;
|
|
return 0;
|
|
case IEEE80211_ACTION_CAT_VENDOR:
|
|
if (act >= nitems(vendor_recv_action))
|
|
break;
|
|
vendor_recv_action[act] = f;
|
|
return 0;
|
|
}
|
|
return EINVAL;
|
|
}
|
|
|
|
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)
|
|
{
|
|
ieee80211_recv_action_func *f = recv_inval;
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
const struct ieee80211_action *ia =
|
|
(const struct ieee80211_action *) frm;
|
|
|
|
switch (ia->ia_category) {
|
|
case IEEE80211_ACTION_CAT_BA:
|
|
if (ia->ia_action < nitems(ba_recv_action))
|
|
f = ba_recv_action[ia->ia_action];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_HT:
|
|
if (ia->ia_action < nitems(ht_recv_action))
|
|
f = ht_recv_action[ia->ia_action];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_SELF_PROT:
|
|
if (ia->ia_action < nitems(meshpl_recv_action))
|
|
f = meshpl_recv_action[ia->ia_action];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_MESH:
|
|
if (ni == vap->iv_bss ||
|
|
ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) {
|
|
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_MESH,
|
|
ni->ni_macaddr, NULL,
|
|
"peer link not yet established (%d), cat %s act %u",
|
|
ni->ni_mlstate, "mesh action", ia->ia_action);
|
|
vap->iv_stats.is_mesh_nolink++;
|
|
break;
|
|
}
|
|
if (ia->ia_action < nitems(meshaction_recv_action))
|
|
f = meshaction_recv_action[ia->ia_action];
|
|
break;
|
|
case IEEE80211_ACTION_CAT_VENDOR:
|
|
if (ia->ia_action < nitems(vendor_recv_action))
|
|
f = vendor_recv_action[ia->ia_action];
|
|
break;
|
|
}
|
|
return f(ni, wh, frm, efrm);
|
|
}
|