Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
/* $NetBSD: ieee80211.c,v 1.41 2005/11/18 16:40:08 skrll Exp $ */
|
2003-08-31 01:26:03 +04:00
|
|
|
/*-
|
|
|
|
* Copyright (c) 2001 Atsushi Onoe
|
2005-06-22 10:14:51 +04:00
|
|
|
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
|
2003-08-31 01:26:03 +04:00
|
|
|
* 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.
|
|
|
|
* 3. The name of the author may not be used to endorse or promote products
|
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|
|
* derived from this software without specific prior written permission.
|
|
|
|
*
|
|
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
|
|
* Software Foundation.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
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|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
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|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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|
|
* 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.
|
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*/
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|
#include <sys/cdefs.h>
|
2003-09-14 05:14:54 +04:00
|
|
|
#ifdef __FreeBSD__
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
__FBSDID("$FreeBSD: src/sys/net80211/ieee80211.c,v 1.22 2005/08/10 16:22:29 sam Exp $");
|
2005-06-22 10:14:51 +04:00
|
|
|
#endif
|
|
|
|
#ifdef __NetBSD__
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
__KERNEL_RCSID(0, "$NetBSD: ieee80211.c,v 1.41 2005/11/18 16:40:08 skrll Exp $");
|
2003-09-14 05:14:54 +04:00
|
|
|
#endif
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* IEEE 802.11 generic handler
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "opt_inet.h"
|
2003-10-17 02:25:00 +04:00
|
|
|
#include "bpfilter.h"
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
#include <sys/param.h>
|
2005-06-22 10:14:51 +04:00
|
|
|
#include <sys/systm.h>
|
2003-08-31 01:26:03 +04:00
|
|
|
#include <sys/kernel.h>
|
2005-06-22 10:14:51 +04:00
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <sys/sockio.h>
|
|
|
|
#include <sys/endian.h>
|
|
|
|
#include <sys/errno.h>
|
|
|
|
#include <sys/proc.h>
|
|
|
|
#include <sys/sysctl.h>
|
|
|
|
|
|
|
|
#include <net/if.h>
|
|
|
|
#include <net/if_media.h>
|
|
|
|
#include <net/if_arp.h>
|
2003-09-23 20:01:21 +04:00
|
|
|
#include <net/if_ether.h>
|
2003-08-31 01:26:03 +04:00
|
|
|
#include <net/if_llc.h>
|
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
#include <net80211/ieee80211_netbsd.h>
|
2003-08-31 01:26:03 +04:00
|
|
|
#include <net80211/ieee80211_var.h>
|
2004-07-16 07:02:41 +04:00
|
|
|
#include <net80211/ieee80211_sysctl.h>
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
#include <net/bpf.h>
|
|
|
|
|
|
|
|
#ifdef INET
|
2005-06-22 10:14:51 +04:00
|
|
|
#include <netinet/in.h>
|
2003-09-23 20:01:21 +04:00
|
|
|
#include <net/if_ether.h>
|
|
|
|
#endif
|
2004-05-06 07:07:10 +04:00
|
|
|
|
2004-07-16 06:36:58 +04:00
|
|
|
struct ieee80211com_head ieee80211com_head =
|
|
|
|
LIST_HEAD_INITIALIZER(ieee80211com_head);
|
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
const char *ieee80211_phymode_name[] = {
|
2004-05-01 03:58:05 +04:00
|
|
|
"auto", /* IEEE80211_MODE_AUTO */
|
|
|
|
"11a", /* IEEE80211_MODE_11A */
|
|
|
|
"11b", /* IEEE80211_MODE_11B */
|
|
|
|
"11g", /* IEEE80211_MODE_11G */
|
|
|
|
"FH", /* IEEE80211_MODE_FH */
|
2005-06-22 10:14:51 +04:00
|
|
|
"turboA", /* IEEE80211_MODE_TURBO_A */
|
|
|
|
"turboG", /* IEEE80211_MODE_TURBO_G */
|
2004-05-01 03:58:05 +04:00
|
|
|
};
|
2003-08-31 01:26:03 +04:00
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
/* list of all instances */
|
|
|
|
SLIST_HEAD(ieee80211_list, ieee80211com);
|
|
|
|
static struct ieee80211_list ieee80211_list =
|
|
|
|
SLIST_HEAD_INITIALIZER(ieee80211_list);
|
|
|
|
static u_int8_t ieee80211_vapmap[32]; /* enough for 256 */
|
|
|
|
|
|
|
|
static void
|
|
|
|
ieee80211_add_vap(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
#define N(a) (sizeof(a)/sizeof(a[0]))
|
|
|
|
int i;
|
|
|
|
int s;
|
|
|
|
u_int8_t b;
|
|
|
|
|
|
|
|
s = splnet();
|
|
|
|
ic->ic_vap = 0;
|
|
|
|
for (i = 0; i < N(ieee80211_vapmap) && ieee80211_vapmap[i] == 0xff; i++)
|
|
|
|
ic->ic_vap += NBBY;
|
|
|
|
if (i == N(ieee80211_vapmap))
|
|
|
|
panic("vap table full");
|
|
|
|
for (b = ieee80211_vapmap[i]; b & 1; b >>= 1)
|
|
|
|
ic->ic_vap++;
|
|
|
|
setbit(ieee80211_vapmap, ic->ic_vap);
|
|
|
|
SLIST_INSERT_HEAD(&ieee80211_list, ic, ic_next);
|
|
|
|
splx(s);
|
|
|
|
#undef N
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ieee80211_remove_vap(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
|
|
|
|
s = splnet();
|
|
|
|
SLIST_REMOVE(&ieee80211_list, ic, ieee80211com, ic_next);
|
|
|
|
IASSERT(ic->ic_vap < sizeof(ieee80211_vapmap)*NBBY,
|
|
|
|
("invalid vap id %d", ic->ic_vap));
|
|
|
|
IASSERT(isset(ieee80211_vapmap, ic->ic_vap),
|
|
|
|
("vap id %d not allocated", ic->ic_vap));
|
|
|
|
clrbit(ieee80211_vapmap, ic->ic_vap);
|
|
|
|
splx(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Default reset method for use with the ioctl support. This
|
|
|
|
* method is invoked after any state change in the 802.11
|
|
|
|
* layer that should be propagated to the hardware but not
|
|
|
|
* require re-initialization of the 802.11 state machine (e.g
|
|
|
|
* rescanning for an ap). We always return ENETRESET which
|
|
|
|
* should cause the driver to re-initialize the device. Drivers
|
|
|
|
* can override this method to implement more optimized support.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
ieee80211_default_reset(struct ifnet *ifp)
|
|
|
|
{
|
|
|
|
return ENETRESET;
|
|
|
|
}
|
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
void
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_ifattach(struct ieee80211com *ic)
|
2003-08-31 01:26:03 +04:00
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ifnet *ifp = ic->ic_ifp;
|
2003-08-31 01:26:03 +04:00
|
|
|
struct ieee80211_channel *c;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
ether_ifattach(ifp, ic->ic_myaddr);
|
2003-10-17 02:25:00 +04:00
|
|
|
#if NBPFILTER > 0
|
2003-08-31 01:26:03 +04:00
|
|
|
bpfattach2(ifp, DLT_IEEE802_11,
|
|
|
|
sizeof(struct ieee80211_frame_addr4), &ic->ic_rawbpf);
|
2003-10-17 02:25:00 +04:00
|
|
|
#endif
|
2005-06-22 10:14:51 +04:00
|
|
|
|
|
|
|
ieee80211_crypto_attach(ic);
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Fill in 802.11 available channel set, mark
|
|
|
|
* all available channels as active, and pick
|
|
|
|
* a default channel if not already specified.
|
|
|
|
*/
|
|
|
|
memset(ic->ic_chan_avail, 0, sizeof(ic->ic_chan_avail));
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_AUTO;
|
|
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
|
|
|
|
c = &ic->ic_channels[i];
|
|
|
|
if (c->ic_flags) {
|
|
|
|
/*
|
|
|
|
* Verify driver passed us valid data.
|
|
|
|
*/
|
|
|
|
if (i != ieee80211_chan2ieee(ic, c)) {
|
|
|
|
if_printf(ifp, "bad channel ignored; "
|
|
|
|
"freq %u flags %x number %u\n",
|
|
|
|
c->ic_freq, c->ic_flags, i);
|
|
|
|
c->ic_flags = 0; /* NB: remove */
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
setbit(ic->ic_chan_avail, i);
|
|
|
|
/*
|
|
|
|
* Identify mode capabilities.
|
|
|
|
*/
|
|
|
|
if (IEEE80211_IS_CHAN_A(c))
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_11A;
|
|
|
|
if (IEEE80211_IS_CHAN_B(c))
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_11B;
|
|
|
|
if (IEEE80211_IS_CHAN_PUREG(c))
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_11G;
|
2003-10-13 08:28:35 +04:00
|
|
|
if (IEEE80211_IS_CHAN_FHSS(c))
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_FH;
|
2003-08-31 01:26:03 +04:00
|
|
|
if (IEEE80211_IS_CHAN_T(c))
|
2005-06-22 10:14:51 +04:00
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO_A;
|
|
|
|
if (IEEE80211_IS_CHAN_108G(c))
|
|
|
|
ic->ic_modecaps |= 1<<IEEE80211_MODE_TURBO_G;
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
if (ic->ic_curchan == NULL) {
|
|
|
|
/* arbitrarily pick the first channel */
|
|
|
|
ic->ic_curchan = &ic->ic_channels[i];
|
|
|
|
}
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
/* validate ic->ic_curmode */
|
|
|
|
if ((ic->ic_modecaps & (1<<ic->ic_curmode)) == 0)
|
|
|
|
ic->ic_curmode = IEEE80211_MODE_AUTO;
|
2004-05-01 03:58:05 +04:00
|
|
|
ic->ic_des_chan = IEEE80211_CHAN_ANYC; /* any channel is ok */
|
2005-06-22 10:14:51 +04:00
|
|
|
#if 0
|
|
|
|
/*
|
|
|
|
* Enable WME by default if we're capable.
|
|
|
|
*/
|
|
|
|
if (ic->ic_caps & IEEE80211_C_WME)
|
|
|
|
ic->ic_flags |= IEEE80211_F_WME;
|
|
|
|
#endif
|
2003-08-31 01:26:03 +04:00
|
|
|
(void) ieee80211_setmode(ic, ic->ic_curmode);
|
|
|
|
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
if (ic->ic_bintval == 0)
|
|
|
|
ic->ic_bintval = IEEE80211_BINTVAL_DEFAULT;
|
|
|
|
ic->ic_bmisstimeout = 7*ic->ic_bintval; /* default 7 beacons */
|
2005-06-22 10:14:51 +04:00
|
|
|
ic->ic_dtim_period = IEEE80211_DTIM_DEFAULT;
|
|
|
|
IEEE80211_BEACON_LOCK_INIT(ic, "beacon");
|
|
|
|
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
if (ic->ic_lintval == 0)
|
|
|
|
ic->ic_lintval = ic->ic_bintval;
|
2005-06-22 10:14:51 +04:00
|
|
|
ic->ic_txpowlimit = IEEE80211_TXPOWER_MAX;
|
2003-08-31 01:26:03 +04:00
|
|
|
|
2004-07-16 06:54:05 +04:00
|
|
|
LIST_INSERT_HEAD(&ieee80211com_head, ic, ic_list);
|
2004-07-23 14:15:13 +04:00
|
|
|
ieee80211_node_attach(ic);
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_proto_attach(ic);
|
|
|
|
|
|
|
|
ieee80211_add_vap(ic);
|
|
|
|
|
|
|
|
ieee80211_sysctl_attach(ic); /* NB: requires ic_vap */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Install a default reset method for the ioctl support.
|
|
|
|
* The driver is expected to fill this in before calling us.
|
|
|
|
*/
|
|
|
|
if (ic->ic_reset == NULL)
|
|
|
|
ic->ic_reset = ieee80211_default_reset;
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_ifdetach(struct ieee80211com *ic)
|
2003-08-31 01:26:03 +04:00
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
|
|
|
|
|
|
ieee80211_remove_vap(ic);
|
2003-08-31 01:26:03 +04:00
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_sysctl_detach(ic);
|
|
|
|
ieee80211_proto_detach(ic);
|
|
|
|
ieee80211_crypto_detach(ic);
|
2004-07-23 14:15:13 +04:00
|
|
|
ieee80211_node_detach(ic);
|
2004-07-16 06:54:05 +04:00
|
|
|
LIST_REMOVE(ic, ic_list);
|
2005-06-22 10:14:51 +04:00
|
|
|
ifmedia_delete_instance(&ic->ic_media, IFM_INST_ANY);
|
|
|
|
|
|
|
|
IEEE80211_BEACON_LOCK_DESTROY(ic);
|
|
|
|
|
2003-10-17 02:25:00 +04:00
|
|
|
#if NBPFILTER > 0
|
2003-08-31 01:26:03 +04:00
|
|
|
bpfdetach(ifp);
|
2003-10-17 02:25:00 +04:00
|
|
|
#endif
|
2003-08-31 01:26:03 +04:00
|
|
|
ether_ifdetach(ifp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert MHz frequency to IEEE channel number.
|
|
|
|
*/
|
|
|
|
u_int
|
|
|
|
ieee80211_mhz2ieee(u_int freq, u_int flags)
|
|
|
|
{
|
|
|
|
if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */
|
|
|
|
if (freq == 2484)
|
|
|
|
return 14;
|
|
|
|
if (freq < 2484)
|
|
|
|
return (freq - 2407) / 5;
|
|
|
|
else
|
|
|
|
return 15 + ((freq - 2512) / 20);
|
|
|
|
} else if (flags & IEEE80211_CHAN_5GHZ) { /* 5Ghz band */
|
|
|
|
return (freq - 5000) / 5;
|
|
|
|
} else { /* either, guess */
|
|
|
|
if (freq == 2484)
|
|
|
|
return 14;
|
|
|
|
if (freq < 2484)
|
|
|
|
return (freq - 2407) / 5;
|
|
|
|
if (freq < 5000)
|
|
|
|
return 15 + ((freq - 2512) / 20);
|
|
|
|
return (freq - 5000) / 5;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert channel to IEEE channel number.
|
|
|
|
*/
|
|
|
|
u_int
|
|
|
|
ieee80211_chan2ieee(struct ieee80211com *ic, struct ieee80211_channel *c)
|
|
|
|
{
|
|
|
|
if (ic->ic_channels <= c && c <= &ic->ic_channels[IEEE80211_CHAN_MAX])
|
|
|
|
return c - ic->ic_channels;
|
|
|
|
else if (c == IEEE80211_CHAN_ANYC)
|
|
|
|
return IEEE80211_CHAN_ANY;
|
|
|
|
else if (c != NULL) {
|
2005-06-22 10:14:51 +04:00
|
|
|
if_printf(ic->ic_ifp, "invalid channel freq %u flags %x\n",
|
2003-08-31 01:26:03 +04:00
|
|
|
c->ic_freq, c->ic_flags);
|
|
|
|
return 0; /* XXX */
|
|
|
|
} else {
|
2005-06-22 10:14:51 +04:00
|
|
|
if_printf(ic->ic_ifp, "invalid channel (NULL)\n");
|
2003-08-31 01:26:03 +04:00
|
|
|
return 0; /* XXX */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert IEEE channel number to MHz frequency.
|
|
|
|
*/
|
|
|
|
u_int
|
|
|
|
ieee80211_ieee2mhz(u_int chan, u_int flags)
|
|
|
|
{
|
|
|
|
if (flags & IEEE80211_CHAN_2GHZ) { /* 2GHz band */
|
|
|
|
if (chan == 14)
|
|
|
|
return 2484;
|
|
|
|
if (chan < 14)
|
|
|
|
return 2407 + chan*5;
|
|
|
|
else
|
|
|
|
return 2512 + ((chan-15)*20);
|
|
|
|
} else if (flags & IEEE80211_CHAN_5GHZ) {/* 5Ghz band */
|
|
|
|
return 5000 + (chan*5);
|
|
|
|
} else { /* either, guess */
|
|
|
|
if (chan == 14)
|
|
|
|
return 2484;
|
|
|
|
if (chan < 14) /* 0-13 */
|
|
|
|
return 2407 + chan*5;
|
|
|
|
if (chan < 27) /* 15-26 */
|
|
|
|
return 2512 + ((chan-15)*20);
|
|
|
|
return 5000 + (chan*5);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Setup the media data structures according to the channel and
|
|
|
|
* rate tables. This must be called by the driver after
|
|
|
|
* ieee80211_attach and before most anything else.
|
|
|
|
*/
|
|
|
|
void
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_media_init(struct ieee80211com *ic,
|
2003-08-31 01:26:03 +04:00
|
|
|
ifm_change_cb_t media_change, ifm_stat_cb_t media_stat)
|
|
|
|
{
|
|
|
|
#define ADD(_ic, _s, _o) \
|
|
|
|
ifmedia_add(&(_ic)->ic_media, \
|
|
|
|
IFM_MAKEWORD(IFM_IEEE80211, (_s), (_o), 0), 0, NULL)
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ifnet *ifp = ic->ic_ifp;
|
2003-08-31 01:26:03 +04:00
|
|
|
struct ifmediareq imr;
|
|
|
|
int i, j, mode, rate, maxrate, mword, mopt, r;
|
|
|
|
struct ieee80211_rateset *rs;
|
|
|
|
struct ieee80211_rateset allrates;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Do late attach work that must wait for any subclass
|
|
|
|
* (i.e. driver) work such as overriding methods.
|
|
|
|
*/
|
2004-07-23 14:15:13 +04:00
|
|
|
ieee80211_node_lateattach(ic);
|
2003-08-31 01:26:03 +04:00
|
|
|
|
2005-06-26 08:31:51 +04:00
|
|
|
#ifdef IEEE80211_NO_HOSTAP
|
|
|
|
ic->ic_caps &= ~IEEE80211_C_HOSTAP;
|
|
|
|
#endif /* IEEE80211_NO_HOSTAP */
|
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
/*
|
|
|
|
* Fill in media characteristics.
|
|
|
|
*/
|
|
|
|
ifmedia_init(&ic->ic_media, 0, media_change, media_stat);
|
|
|
|
maxrate = 0;
|
|
|
|
memset(&allrates, 0, sizeof(allrates));
|
|
|
|
for (mode = IEEE80211_MODE_AUTO; mode < IEEE80211_MODE_MAX; mode++) {
|
2005-06-22 10:14:51 +04:00
|
|
|
static const u_int mopts[] = {
|
2003-08-31 01:26:03 +04:00
|
|
|
IFM_AUTO,
|
2003-10-13 08:28:35 +04:00
|
|
|
IFM_IEEE80211_11A,
|
|
|
|
IFM_IEEE80211_11B,
|
|
|
|
IFM_IEEE80211_11G,
|
|
|
|
IFM_IEEE80211_FH,
|
|
|
|
IFM_IEEE80211_11A | IFM_IEEE80211_TURBO,
|
2005-06-22 10:14:51 +04:00
|
|
|
IFM_IEEE80211_11G | IFM_IEEE80211_TURBO,
|
2003-08-31 01:26:03 +04:00
|
|
|
};
|
|
|
|
if ((ic->ic_modecaps & (1<<mode)) == 0)
|
|
|
|
continue;
|
|
|
|
mopt = mopts[mode];
|
|
|
|
ADD(ic, IFM_AUTO, mopt); /* e.g. 11a auto */
|
|
|
|
if (ic->ic_caps & IEEE80211_C_IBSS)
|
|
|
|
ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_ADHOC);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_HOSTAP)
|
|
|
|
ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_HOSTAP);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_AHDEMO)
|
|
|
|
ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_ADHOC | IFM_FLAG0);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_MONITOR)
|
|
|
|
ADD(ic, IFM_AUTO, mopt | IFM_IEEE80211_MONITOR);
|
|
|
|
if (mode == IEEE80211_MODE_AUTO)
|
|
|
|
continue;
|
|
|
|
rs = &ic->ic_sup_rates[mode];
|
|
|
|
for (i = 0; i < rs->rs_nrates; i++) {
|
|
|
|
rate = rs->rs_rates[i];
|
|
|
|
mword = ieee80211_rate2media(ic, rate, mode);
|
|
|
|
if (mword == 0)
|
|
|
|
continue;
|
|
|
|
ADD(ic, mword, mopt);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_IBSS)
|
|
|
|
ADD(ic, mword, mopt | IFM_IEEE80211_ADHOC);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_HOSTAP)
|
|
|
|
ADD(ic, mword, mopt | IFM_IEEE80211_HOSTAP);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_AHDEMO)
|
|
|
|
ADD(ic, mword, mopt | IFM_IEEE80211_ADHOC | IFM_FLAG0);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_MONITOR)
|
|
|
|
ADD(ic, mword, mopt | IFM_IEEE80211_MONITOR);
|
|
|
|
/*
|
|
|
|
* Add rate to the collection of all rates.
|
|
|
|
*/
|
|
|
|
r = rate & IEEE80211_RATE_VAL;
|
|
|
|
for (j = 0; j < allrates.rs_nrates; j++)
|
|
|
|
if (allrates.rs_rates[j] == r)
|
|
|
|
break;
|
|
|
|
if (j == allrates.rs_nrates) {
|
|
|
|
/* unique, add to the set */
|
|
|
|
allrates.rs_rates[j] = r;
|
|
|
|
allrates.rs_nrates++;
|
|
|
|
}
|
|
|
|
rate = (rate & IEEE80211_RATE_VAL) / 2;
|
|
|
|
if (rate > maxrate)
|
|
|
|
maxrate = rate;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (i = 0; i < allrates.rs_nrates; i++) {
|
|
|
|
mword = ieee80211_rate2media(ic, allrates.rs_rates[i],
|
|
|
|
IEEE80211_MODE_AUTO);
|
|
|
|
if (mword == 0)
|
|
|
|
continue;
|
|
|
|
mword = IFM_SUBTYPE(mword); /* remove media options */
|
|
|
|
ADD(ic, mword, 0);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_IBSS)
|
|
|
|
ADD(ic, mword, IFM_IEEE80211_ADHOC);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_HOSTAP)
|
|
|
|
ADD(ic, mword, IFM_IEEE80211_HOSTAP);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_AHDEMO)
|
|
|
|
ADD(ic, mword, IFM_IEEE80211_ADHOC | IFM_FLAG0);
|
|
|
|
if (ic->ic_caps & IEEE80211_C_MONITOR)
|
|
|
|
ADD(ic, mword, IFM_IEEE80211_MONITOR);
|
|
|
|
}
|
|
|
|
ieee80211_media_status(ifp, &imr);
|
|
|
|
ifmedia_set(&ic->ic_media, imr.ifm_active);
|
2005-06-22 10:14:51 +04:00
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
if (maxrate)
|
|
|
|
ifp->if_baudrate = IF_Mbps(maxrate);
|
|
|
|
#undef ADD
|
|
|
|
}
|
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
void
|
|
|
|
ieee80211_announce(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
|
|
int i, mode, rate, mword;
|
|
|
|
struct ieee80211_rateset *rs;
|
|
|
|
|
|
|
|
for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
|
|
|
|
if ((ic->ic_modecaps & (1<<mode)) == 0)
|
|
|
|
continue;
|
|
|
|
if_printf(ifp, "%s rates: ", ieee80211_phymode_name[mode]);
|
|
|
|
rs = &ic->ic_sup_rates[mode];
|
|
|
|
for (i = 0; i < rs->rs_nrates; i++) {
|
|
|
|
rate = rs->rs_rates[i];
|
|
|
|
mword = ieee80211_rate2media(ic, rate, mode);
|
|
|
|
if (mword == 0)
|
|
|
|
continue;
|
|
|
|
printf("%s%d%sMbps", (i != 0 ? " " : ""),
|
|
|
|
(rate & IEEE80211_RATE_VAL) / 2,
|
|
|
|
((rate & 0x1) != 0 ? ".5" : ""));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
static int
|
|
|
|
findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate)
|
|
|
|
{
|
|
|
|
#define IEEERATE(_ic,_m,_i) \
|
|
|
|
((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL)
|
|
|
|
int i, nrates = ic->ic_sup_rates[mode].rs_nrates;
|
|
|
|
for (i = 0; i < nrates; i++)
|
|
|
|
if (IEEERATE(ic, mode, i) == rate)
|
|
|
|
return i;
|
|
|
|
return -1;
|
|
|
|
#undef IEEERATE
|
|
|
|
}
|
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* Find an instance by it's mac address.
|
|
|
|
*/
|
|
|
|
struct ieee80211com *
|
|
|
|
ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN])
|
|
|
|
{
|
2005-07-11 21:15:30 +04:00
|
|
|
int s;
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ieee80211com *ic;
|
|
|
|
|
2005-07-11 21:15:30 +04:00
|
|
|
s = splnet();
|
2005-06-22 10:14:51 +04:00
|
|
|
SLIST_FOREACH(ic, &ieee80211_list, ic_next)
|
|
|
|
if (IEEE80211_ADDR_EQ(mac, ic->ic_myaddr))
|
2005-07-11 21:15:30 +04:00
|
|
|
break;
|
|
|
|
splx(s);
|
|
|
|
return ic;
|
2005-06-22 10:14:51 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct ieee80211com *
|
|
|
|
ieee80211_find_instance(struct ifnet *ifp)
|
|
|
|
{
|
2005-07-11 21:15:30 +04:00
|
|
|
int s;
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ieee80211com *ic;
|
|
|
|
|
2005-07-11 21:15:30 +04:00
|
|
|
s = splnet();
|
2005-06-22 10:14:51 +04:00
|
|
|
/* XXX not right for multiple instances but works for now */
|
|
|
|
SLIST_FOREACH(ic, &ieee80211_list, ic_next)
|
|
|
|
if (ic->ic_ifp == ifp)
|
2005-07-11 21:15:30 +04:00
|
|
|
break;
|
|
|
|
splx(s);
|
|
|
|
return ic;
|
2005-06-22 10:14:51 +04:00
|
|
|
}
|
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
/*
|
|
|
|
* Handle a media change request.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
ieee80211_media_change(struct ifnet *ifp)
|
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ieee80211com *ic;
|
2003-08-31 01:26:03 +04:00
|
|
|
struct ifmedia_entry *ime;
|
|
|
|
enum ieee80211_opmode newopmode;
|
|
|
|
enum ieee80211_phymode newphymode;
|
|
|
|
int i, j, newrate, error = 0;
|
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
ic = ieee80211_find_instance(ifp);
|
|
|
|
if (!ic) {
|
|
|
|
if_printf(ifp, "%s: no 802.11 instance!\n", __func__);
|
|
|
|
return EINVAL;
|
|
|
|
}
|
2003-08-31 01:26:03 +04:00
|
|
|
ime = ic->ic_media.ifm_cur;
|
|
|
|
/*
|
|
|
|
* First, identify the phy mode.
|
|
|
|
*/
|
|
|
|
switch (IFM_MODE(ime->ifm_media)) {
|
|
|
|
case IFM_IEEE80211_11A:
|
|
|
|
newphymode = IEEE80211_MODE_11A;
|
|
|
|
break;
|
|
|
|
case IFM_IEEE80211_11B:
|
|
|
|
newphymode = IEEE80211_MODE_11B;
|
|
|
|
break;
|
|
|
|
case IFM_IEEE80211_11G:
|
|
|
|
newphymode = IEEE80211_MODE_11G;
|
|
|
|
break;
|
2003-10-13 08:28:35 +04:00
|
|
|
case IFM_IEEE80211_FH:
|
|
|
|
newphymode = IEEE80211_MODE_FH;
|
|
|
|
break;
|
2003-08-31 01:26:03 +04:00
|
|
|
case IFM_AUTO:
|
|
|
|
newphymode = IEEE80211_MODE_AUTO;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
/*
|
2005-06-22 10:14:51 +04:00
|
|
|
* Turbo mode is an ``option''.
|
|
|
|
* XXX does not apply to AUTO
|
2003-08-31 01:26:03 +04:00
|
|
|
*/
|
|
|
|
if (ime->ifm_media & IFM_IEEE80211_TURBO) {
|
2005-06-22 10:14:51 +04:00
|
|
|
if (newphymode == IEEE80211_MODE_11A)
|
|
|
|
newphymode = IEEE80211_MODE_TURBO_A;
|
|
|
|
else if (newphymode == IEEE80211_MODE_11G)
|
|
|
|
newphymode = IEEE80211_MODE_TURBO_G;
|
|
|
|
else
|
2003-08-31 01:26:03 +04:00
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Validate requested mode is available.
|
|
|
|
*/
|
|
|
|
if ((ic->ic_modecaps & (1<<newphymode)) == 0)
|
|
|
|
return EINVAL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Next, the fixed/variable rate.
|
|
|
|
*/
|
|
|
|
i = -1;
|
|
|
|
if (IFM_SUBTYPE(ime->ifm_media) != IFM_AUTO) {
|
|
|
|
/*
|
|
|
|
* Convert media subtype to rate.
|
|
|
|
*/
|
|
|
|
newrate = ieee80211_media2rate(ime->ifm_media);
|
|
|
|
if (newrate == 0)
|
|
|
|
return EINVAL;
|
|
|
|
/*
|
|
|
|
* Check the rate table for the specified/current phy.
|
|
|
|
*/
|
|
|
|
if (newphymode == IEEE80211_MODE_AUTO) {
|
|
|
|
/*
|
|
|
|
* In autoselect mode search for the rate.
|
|
|
|
*/
|
|
|
|
for (j = IEEE80211_MODE_11A;
|
|
|
|
j < IEEE80211_MODE_MAX; j++) {
|
|
|
|
if ((ic->ic_modecaps & (1<<j)) == 0)
|
|
|
|
continue;
|
|
|
|
i = findrate(ic, j, newrate);
|
|
|
|
if (i != -1) {
|
|
|
|
/* lock mode too */
|
|
|
|
newphymode = j;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
i = findrate(ic, newphymode, newrate);
|
|
|
|
}
|
|
|
|
if (i == -1) /* mode/rate mismatch */
|
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
/* NB: defer rate setting to later */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Deduce new operating mode but don't install it just yet.
|
|
|
|
*/
|
|
|
|
if ((ime->ifm_media & (IFM_IEEE80211_ADHOC|IFM_FLAG0)) ==
|
|
|
|
(IFM_IEEE80211_ADHOC|IFM_FLAG0))
|
|
|
|
newopmode = IEEE80211_M_AHDEMO;
|
|
|
|
else if (ime->ifm_media & IFM_IEEE80211_HOSTAP)
|
|
|
|
newopmode = IEEE80211_M_HOSTAP;
|
|
|
|
else if (ime->ifm_media & IFM_IEEE80211_ADHOC)
|
|
|
|
newopmode = IEEE80211_M_IBSS;
|
|
|
|
else if (ime->ifm_media & IFM_IEEE80211_MONITOR)
|
|
|
|
newopmode = IEEE80211_M_MONITOR;
|
|
|
|
else
|
|
|
|
newopmode = IEEE80211_M_STA;
|
|
|
|
|
2005-06-26 08:31:51 +04:00
|
|
|
#ifndef IEEE80211_NO_HOSTAP
|
2003-08-31 01:26:03 +04:00
|
|
|
/*
|
|
|
|
* Autoselect doesn't make sense when operating as an AP.
|
|
|
|
* If no phy mode has been selected, pick one and lock it
|
|
|
|
* down so rate tables can be used in forming beacon frames
|
|
|
|
* and the like.
|
|
|
|
*/
|
|
|
|
if (newopmode == IEEE80211_M_HOSTAP &&
|
|
|
|
newphymode == IEEE80211_MODE_AUTO) {
|
|
|
|
for (j = IEEE80211_MODE_11A; j < IEEE80211_MODE_MAX; j++)
|
|
|
|
if (ic->ic_modecaps & (1<<j)) {
|
|
|
|
newphymode = j;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2005-06-26 08:31:51 +04:00
|
|
|
#endif /* !IEEE80211_NO_HOSTAP */
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle phy mode change.
|
|
|
|
*/
|
|
|
|
if (ic->ic_curmode != newphymode) { /* change phy mode */
|
|
|
|
error = ieee80211_setmode(ic, newphymode);
|
|
|
|
if (error != 0)
|
|
|
|
return error;
|
|
|
|
error = ENETRESET;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Committed to changes, install the rate setting.
|
|
|
|
*/
|
|
|
|
if (ic->ic_fixed_rate != i) {
|
|
|
|
ic->ic_fixed_rate = i; /* set fixed tx rate */
|
|
|
|
error = ENETRESET;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle operating mode change.
|
|
|
|
*/
|
|
|
|
if (ic->ic_opmode != newopmode) {
|
|
|
|
ic->ic_opmode = newopmode;
|
|
|
|
switch (newopmode) {
|
|
|
|
case IEEE80211_M_AHDEMO:
|
|
|
|
case IEEE80211_M_HOSTAP:
|
|
|
|
case IEEE80211_M_STA:
|
|
|
|
case IEEE80211_M_MONITOR:
|
|
|
|
ic->ic_flags &= ~IEEE80211_F_IBSSON;
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_IBSS:
|
|
|
|
ic->ic_flags |= IEEE80211_F_IBSSON;
|
|
|
|
break;
|
|
|
|
}
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* Yech, slot time may change depending on the
|
|
|
|
* operating mode so reset it to be sure everything
|
|
|
|
* is setup appropriately.
|
|
|
|
*/
|
|
|
|
ieee80211_reset_erp(ic);
|
|
|
|
ieee80211_wme_initparams(ic); /* after opmode change */
|
2003-08-31 01:26:03 +04:00
|
|
|
error = ENETRESET;
|
|
|
|
}
|
|
|
|
#ifdef notdef
|
|
|
|
if (error == 0)
|
|
|
|
ifp->if_baudrate = ifmedia_baudrate(ime->ifm_media);
|
|
|
|
#endif
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ieee80211_media_status(struct ifnet *ifp, struct ifmediareq *imr)
|
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ieee80211com *ic;
|
|
|
|
struct ieee80211_rateset *rs;
|
2003-08-31 01:26:03 +04:00
|
|
|
|
2005-06-22 10:14:51 +04:00
|
|
|
ic = ieee80211_find_instance(ifp);
|
|
|
|
if (!ic) {
|
|
|
|
if_printf(ifp, "%s: no 802.11 instance!\n", __func__);
|
|
|
|
return;
|
|
|
|
}
|
2003-08-31 01:26:03 +04:00
|
|
|
imr->ifm_status = IFM_AVALID;
|
|
|
|
imr->ifm_active = IFM_IEEE80211;
|
|
|
|
if (ic->ic_state == IEEE80211_S_RUN)
|
|
|
|
imr->ifm_status |= IFM_ACTIVE;
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* Calculate a current rate if possible.
|
|
|
|
*/
|
Resolve conflicts and adapt to NetBSD.
Thanks to dyoung@, scw@, and perry@ for help testing.
2005-08-30 15:27 avatar
Properly set ic_curchan before calling back to device driver to do channel
switching(ifconfig devX channel Y). This fix should make channel changing
works again in monitor mode.
Submitted by: sam
X-MFC-With: other ic_curchan changes
2005-08-13 18:50 sam
revert 1.64: we cannot use the channel characteristics to decide when to
do 11g erp sta accounting because b/g channels show up as false positives
when operating in 11b.
Noticed by: Michal Mertl
2005-08-13 18:31 sam
Extend acl support to pass ioctl requests through and use this to
add support for getting the current policy setting and collecting
the list of mac addresses in the acl table.
Submitted by: Michal Mertl (original version)
MFC after: 2 weeks
2005-08-10 18:42 sam
Don't use ic_curmode to decide when to do 11g station accounting,
use the station channel properties. Fixes assert failure/bogus
operation when an ap is operating in 11a and has associated stations
then switches to 11g.
Noticed by: Michal Mertl
Reviewed by: avatar
MFC after: 2 weeks
2005-08-10 17:22 sam
Clarify/fix handling of the current channel:
o add ic_curchan and use it uniformly for specifying the current
channel instead of overloading ic->ic_bss->ni_chan (or in some
drivers ic_ibss_chan)
o add ieee80211_scanparams structure to encapsulate scanning-related
state captured for rx frames
o move rx beacon+probe response frame handling into separate routines
o change beacon+probe response handling to treat the scan table
more like a scan cache--look for an existing entry before adding
a new one; this combined with ic_curchan use corrects handling of
stations that were previously found at a different channel
o move adhoc neighbor discovery by beacon+probe response frames to
a new ieee80211_add_neighbor routine
Reviewed by: avatar
Tested by: avatar, Michal Mertl
MFC after: 2 weeks
2005-08-09 11:19 rwatson
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
2005-08-08 19:46 sam
Split crypto tx+rx key indices and add a key index -> node mapping table:
Crypto changes:
o change driver/net80211 key_alloc api to return tx+rx key indices; a
driver can leave the rx key index set to IEEE80211_KEYIX_NONE or set
it to be the same as the tx key index (the former disables use of
the key index in building the keyix->node mapping table and is the
default setup for naive drivers by null_key_alloc)
o add cs_max_keyid to crypto state to specify the max h/w key index a
driver will return; this is used to allocate the key index mapping
table and to bounds check table loookups
o while here introduce ieee80211_keyix (finally) for the type of a h/w
key index
o change crypto notifiers for rx failures to pass the rx key index up
as appropriate (michael failure, replay, etc.)
Node table changes:
o optionally allocate a h/w key index to node mapping table for the
station table using the max key index setting supplied by drivers
(note the scan table does not get a map)
o defer node table allocation to lateattach so the driver has a chance
to set the max key id to size the key index map
o while here also defer the aid bitmap allocation
o add new ieee80211_find_rxnode_withkey api to find a sta/node entry
on frame receive with an optional h/w key index to use in checking
mapping table; also updates the map if it does a hash lookup and the
found node has a rx key index set in the unicast key; note this work
is separated from the old ieee80211_find_rxnode call so drivers do
not need to be aware of the new mechanism
o move some node table manipulation under the node table lock to close
a race on node delete
o add ieee80211_node_delucastkey to do the dirty work of deleting
unicast key state for a node (deletes any key and handles key map
references)
Ath driver:
o nuke private sc_keyixmap mechansim in favor of net80211 support
o update key alloc api
These changes close several race conditions for the ath driver operating
in ap mode. Other drivers should see no change. Station mode operation
for ath no longer uses the key index map but performance tests show no
noticeable change and this will be fixed when the scan table is eliminated
with the new scanning support.
Tested by: Michal Mertl, avatar, others
Reviewed by: avatar, others
MFC after: 2 weeks
2005-08-08 06:49 sam
use ieee80211_iterate_nodes to retrieve station data; the previous
code walked the list w/o locking
MFC after: 1 week
2005-08-08 04:30 sam
Cleanup beacon/listen interval handling:
o separate configured beacon interval from listen interval; this
avoids potential use of one value for the other (e.g. setting
powersavesleep to 0 clobbers the beacon interval used in hostap
or ibss mode)
o bounds check the beacon interval received in probe response and
beacon frames and drop frames with bogus settings; not clear
if we should instead clamp the value as any alteration would
result in mismatched sta+ap configuration and probably be more
confusing (don't want to log to the console but perhaps ok with
rate limiting)
o while here up max beacon interval to reflect WiFi standard
Noticed by: Martin <nakal@nurfuerspam.de>
MFC after: 1 week
2005-08-06 05:57 sam
fix debug msg typo
MFC after: 3 days
2005-08-06 05:56 sam
Fix handling of frames sent prior to a station being authorized
when operating in ap mode. Previously we allocated a node from the
station table, sent the frame (using the node), then released the
reference that "held the frame in the table". But while the frame
was in flight the node might be reclaimed which could lead to
problems. The solution is to add an ieee80211_tmp_node routine
that crafts a node that does exist in a table and so isn't ever
reclaimed; it exists only so long as the associated frame is in flight.
MFC after: 5 days
2005-07-31 07:12 sam
close a race between reclaiming a node when a station is inactive
and sending the null data frame used to probe inactive stations
MFC after: 5 days
2005-07-27 05:41 sam
when bridging internally bypass the bss node as traffic to it
must follow the normal input path
Submitted by: Michal Mertl
MFC after: 5 days
2005-07-27 03:53 sam
bandaid ni_fails handling so ap's with association failures are
reconsidered after a bit; a proper fix involves more changes to
the scanning infrastructure
Reviewed by: avatar, David Young
MFC after: 5 days
2005-07-23 01:16 sam
the AREF flag is only meaningful in ap mode; adhoc neighbors now
are timed out of the sta/neighbor table
2005-07-23 00:25 sam
o move inactivity-related debug msgs under IEEE80211_MSG_INACT
o probe inactive neighbors in adhoc mode (they don't have an
association id so previously were being timed out)
MFC after: 3 days
2005-07-22 22:11 sam
split xmit of probe request frame out into a separate routine that
takes explicit parameters; this will be needed when scanning is
decoupled from the state machine to do bg scanning
MFC after: 3 days
2005-07-22 21:48 sam
split 802.11 frame xmit setup code into ieee80211_send_setup
MFC after: 3 days
2005-07-22 18:57 sam
simplify ic_newassoc callback
MFC after: 3 days
2005-07-22 18:54 sam
simplify ieee80211_ibss_merge api
MFC after: 3 days
2005-07-22 18:50 sam
add stats we know we'll need soon and some spare fields for future expansion
MFC after: 3 days
2005-07-22 18:45 sam
simplify tim callback api
MFC after: 3 days
2005-07-22 18:42 sam
don't include 802.3 header in min frame length calculation as it may
not be present for a frag; fixes problem with small (fragmented) frames
being dropped
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:36 sam
simplify ieee80211_node_authorize and ieee80211_node_unauthorize api's
MFC after: 3 days
2005-07-22 18:31 sam
simplifiy ieee80211_send_nulldata api
MFC after: 3 days
2005-07-22 18:29 sam
simplify rate set api's by removing ic parameter (implicit in node reference)
MFC after: 3 days
2005-07-22 18:21 sam
reject association requests with a wpa/rsn ie when wpa/rsn is not
configured on the ap; previously we either ignored the ie or (possibly)
failed an assertion
Obtained from: Atheros
MFC after: 3 days
2005-07-22 18:16 sam
missed one in last commit; add device name to discard msgs
2005-07-22 18:13 sam
include device name in discard msgs
2005-07-22 18:12 sam
add diag msgs for frames discarded because the direction field is wrong
2005-07-22 18:08 sam
split data frame delivery out to a new function ieee80211_deliver_data
2005-07-22 18:00 sam
o add IEEE80211_IOC_FRAGTHRESHOLD for getting+setting the
tx fragmentation threshold
o fix bounds checking on IEEE80211_IOC_RTSTHRESHOLD
MFC after: 3 days
2005-07-22 17:55 sam
o add IEEE80211_FRAG_DEFAULT
o move default settings for RTS and frag thresholds to ieee80211_var.h
2005-07-22 17:50 sam
diff reduction against p4: define IEEE80211_FIXED_RATE_NONE and use
it instead of -1
2005-07-22 17:37 sam
add flags missed in last merge
2005-07-22 17:36 sam
Diff reduction against p4:
o add ic_flags_ext for eventual extention of ic_flags
o define/reserve flag+capabilities bits for superg,
bg scan, and roaming support
o refactor debug msg macros
MFC after: 3 days
2005-07-22 06:17 sam
send a response when an auth request is denied due to an acl;
might be better to silently ignore the frame but this way we
give stations a chance of figuring out what's wrong
2005-07-22 06:15 sam
remove excess whitespace
2005-07-22 05:55 sam
use IF_HANDOFF when bridging frames internally so if_start gets
called; fixes communication between associated sta's
MFC after: 3 days
2005-07-11 04:06 sam
Handle encrypt of arbitarily fragmented mbuf chains: previously
we bailed if we couldn't collect the 16-bytes of data required
for an aes block cipher in 2 mbufs; now we deal with it. While
here make space accounting signed so a sanity check does the
right thing for malformed mbuf chains.
Approved by: re (scottl)
2005-07-11 04:00 sam
nuke assert that duplicates real check
Reviewed by: avatar
Approved by: re (scottl)
2005-11-18 19:40:08 +03:00
|
|
|
if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) {
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* A fixed rate is set, report that.
|
|
|
|
*/
|
|
|
|
rs = &ic->ic_sup_rates[ic->ic_curmode];
|
|
|
|
imr->ifm_active |= ieee80211_rate2media(ic,
|
|
|
|
rs->rs_rates[ic->ic_fixed_rate], ic->ic_curmode);
|
|
|
|
} else if (ic->ic_opmode == IEEE80211_M_STA) {
|
|
|
|
/*
|
|
|
|
* In station mode report the current transmit rate.
|
|
|
|
*/
|
|
|
|
rs = &ic->ic_bss->ni_rates;
|
|
|
|
imr->ifm_active |= ieee80211_rate2media(ic,
|
|
|
|
rs->rs_rates[ic->ic_bss->ni_txrate], ic->ic_curmode);
|
|
|
|
} else
|
|
|
|
imr->ifm_active |= IFM_AUTO;
|
2003-08-31 01:26:03 +04:00
|
|
|
switch (ic->ic_opmode) {
|
|
|
|
case IEEE80211_M_STA:
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_IBSS:
|
|
|
|
imr->ifm_active |= IFM_IEEE80211_ADHOC;
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_AHDEMO:
|
|
|
|
/* should not come here */
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_HOSTAP:
|
|
|
|
imr->ifm_active |= IFM_IEEE80211_HOSTAP;
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_MONITOR:
|
|
|
|
imr->ifm_active |= IFM_IEEE80211_MONITOR;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
switch (ic->ic_curmode) {
|
|
|
|
case IEEE80211_MODE_11A:
|
2003-10-13 08:28:35 +04:00
|
|
|
imr->ifm_active |= IFM_IEEE80211_11A;
|
2003-08-31 01:26:03 +04:00
|
|
|
break;
|
|
|
|
case IEEE80211_MODE_11B:
|
2003-10-13 08:28:35 +04:00
|
|
|
imr->ifm_active |= IFM_IEEE80211_11B;
|
2003-08-31 01:26:03 +04:00
|
|
|
break;
|
|
|
|
case IEEE80211_MODE_11G:
|
2003-10-13 08:28:35 +04:00
|
|
|
imr->ifm_active |= IFM_IEEE80211_11G;
|
|
|
|
break;
|
|
|
|
case IEEE80211_MODE_FH:
|
|
|
|
imr->ifm_active |= IFM_IEEE80211_FH;
|
2003-08-31 01:26:03 +04:00
|
|
|
break;
|
2005-06-22 10:14:51 +04:00
|
|
|
case IEEE80211_MODE_TURBO_A:
|
2003-10-13 08:28:35 +04:00
|
|
|
imr->ifm_active |= IFM_IEEE80211_11A
|
2003-08-31 01:26:03 +04:00
|
|
|
| IFM_IEEE80211_TURBO;
|
|
|
|
break;
|
2005-06-22 10:14:51 +04:00
|
|
|
case IEEE80211_MODE_TURBO_G:
|
|
|
|
imr->ifm_active |= IFM_IEEE80211_11G
|
|
|
|
| IFM_IEEE80211_TURBO;
|
|
|
|
break;
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_watchdog(struct ieee80211com *ic)
|
2003-08-31 01:26:03 +04:00
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
struct ieee80211_node_table *nt;
|
|
|
|
int need_inact_timer = 0;
|
|
|
|
|
|
|
|
if (ic->ic_state != IEEE80211_S_INIT) {
|
|
|
|
if (ic->ic_mgt_timer && --ic->ic_mgt_timer == 0)
|
|
|
|
ieee80211_new_state(ic, IEEE80211_S_SCAN, 0);
|
|
|
|
nt = &ic->ic_scan;
|
|
|
|
if (nt->nt_inact_timer) {
|
|
|
|
if (--nt->nt_inact_timer == 0)
|
|
|
|
nt->nt_timeout(nt);
|
|
|
|
need_inact_timer += nt->nt_inact_timer;
|
|
|
|
}
|
|
|
|
nt = &ic->ic_sta;
|
|
|
|
if (nt->nt_inact_timer) {
|
|
|
|
if (--nt->nt_inact_timer == 0)
|
|
|
|
nt->nt_timeout(nt);
|
|
|
|
need_inact_timer += nt->nt_inact_timer;
|
2004-07-22 18:44:17 +04:00
|
|
|
}
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
2005-06-22 10:14:51 +04:00
|
|
|
if (ic->ic_mgt_timer != 0 || need_inact_timer)
|
|
|
|
ic->ic_ifp->if_timer = 1;
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set the current phy mode and recalculate the active channel
|
|
|
|
* set based on the available channels for this mode. Also
|
|
|
|
* select a new default/current channel if the current one is
|
|
|
|
* inappropriate for this mode.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
ieee80211_setmode(struct ieee80211com *ic, enum ieee80211_phymode mode)
|
|
|
|
{
|
|
|
|
#define N(a) (sizeof(a) / sizeof(a[0]))
|
|
|
|
static const u_int chanflags[] = {
|
|
|
|
0, /* IEEE80211_MODE_AUTO */
|
|
|
|
IEEE80211_CHAN_A, /* IEEE80211_MODE_11A */
|
|
|
|
IEEE80211_CHAN_B, /* IEEE80211_MODE_11B */
|
|
|
|
IEEE80211_CHAN_PUREG, /* IEEE80211_MODE_11G */
|
2003-10-13 08:28:35 +04:00
|
|
|
IEEE80211_CHAN_FHSS, /* IEEE80211_MODE_FH */
|
2005-06-22 10:14:51 +04:00
|
|
|
IEEE80211_CHAN_T, /* IEEE80211_MODE_TURBO_A */
|
|
|
|
IEEE80211_CHAN_108G, /* IEEE80211_MODE_TURBO_G */
|
2003-08-31 01:26:03 +04:00
|
|
|
};
|
|
|
|
struct ieee80211_channel *c;
|
|
|
|
u_int modeflags;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* validate new mode */
|
|
|
|
if ((ic->ic_modecaps & (1<<mode)) == 0) {
|
2004-07-23 10:44:55 +04:00
|
|
|
IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY,
|
2005-06-22 10:14:51 +04:00
|
|
|
"%s: mode %u not supported (caps 0x%x)\n",
|
|
|
|
__func__, mode, ic->ic_modecaps);
|
2003-08-31 01:26:03 +04:00
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Verify at least one channel is present in the available
|
|
|
|
* channel list before committing to the new mode.
|
|
|
|
*/
|
2004-05-01 03:58:05 +04:00
|
|
|
IASSERT(mode < N(chanflags), ("Unexpected mode %u", mode));
|
2003-08-31 01:26:03 +04:00
|
|
|
modeflags = chanflags[mode];
|
|
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
|
|
|
|
c = &ic->ic_channels[i];
|
|
|
|
if (mode == IEEE80211_MODE_AUTO) {
|
|
|
|
/* ignore turbo channels for autoselect */
|
|
|
|
if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0)
|
|
|
|
break;
|
|
|
|
} else {
|
|
|
|
if ((c->ic_flags & modeflags) == modeflags)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (i > IEEE80211_CHAN_MAX) {
|
2004-07-23 10:44:55 +04:00
|
|
|
IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY,
|
2005-06-22 10:14:51 +04:00
|
|
|
"%s: no channels found for mode %u\n", __func__, mode);
|
2003-08-31 01:26:03 +04:00
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Calculate the active channel set.
|
|
|
|
*/
|
|
|
|
memset(ic->ic_chan_active, 0, sizeof(ic->ic_chan_active));
|
|
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
|
|
|
|
c = &ic->ic_channels[i];
|
|
|
|
if (mode == IEEE80211_MODE_AUTO) {
|
|
|
|
/* take anything but pure turbo channels */
|
|
|
|
if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0)
|
|
|
|
setbit(ic->ic_chan_active, i);
|
|
|
|
} else {
|
|
|
|
if ((c->ic_flags & modeflags) == modeflags)
|
|
|
|
setbit(ic->ic_chan_active, i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* If no current/default channel is setup or the current
|
|
|
|
* channel is wrong for the mode then pick the first
|
|
|
|
* available channel from the active list. This is likely
|
|
|
|
* not the right one.
|
|
|
|
*/
|
|
|
|
if (ic->ic_ibss_chan == NULL ||
|
|
|
|
isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) {
|
|
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++)
|
|
|
|
if (isset(ic->ic_chan_active, i)) {
|
|
|
|
ic->ic_ibss_chan = &ic->ic_channels[i];
|
|
|
|
break;
|
|
|
|
}
|
2004-01-14 02:37:29 +03:00
|
|
|
IASSERT(ic->ic_ibss_chan != NULL &&
|
2003-10-13 08:28:35 +04:00
|
|
|
isset(ic->ic_chan_active,
|
|
|
|
ieee80211_chan2ieee(ic, ic->ic_ibss_chan)),
|
2004-07-23 12:05:00 +04:00
|
|
|
("Bad IBSS channel %u",
|
2003-10-13 08:28:35 +04:00
|
|
|
ieee80211_chan2ieee(ic, ic->ic_ibss_chan)));
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* If the desired channel is set but no longer valid then reset it.
|
|
|
|
*/
|
|
|
|
if (ic->ic_des_chan != IEEE80211_CHAN_ANYC &&
|
|
|
|
isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ic->ic_des_chan)))
|
|
|
|
ic->ic_des_chan = IEEE80211_CHAN_ANYC;
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
/*
|
2005-06-22 10:14:51 +04:00
|
|
|
* Do mode-specific rate setup.
|
2003-08-31 01:26:03 +04:00
|
|
|
*/
|
|
|
|
if (mode == IEEE80211_MODE_11G) {
|
2005-06-22 10:14:51 +04:00
|
|
|
/*
|
|
|
|
* Use a mixed 11b/11g rate set.
|
|
|
|
*/
|
|
|
|
ieee80211_set11gbasicrates(&ic->ic_sup_rates[mode],
|
|
|
|
IEEE80211_MODE_11G);
|
|
|
|
} else if (mode == IEEE80211_MODE_11B) {
|
|
|
|
/*
|
|
|
|
* Force pure 11b rate set.
|
|
|
|
*/
|
|
|
|
ieee80211_set11gbasicrates(&ic->ic_sup_rates[mode],
|
|
|
|
IEEE80211_MODE_11B);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Setup an initial rate set according to the
|
|
|
|
* current/default channel selected above. This
|
|
|
|
* will be changed when scanning but must exist
|
|
|
|
* now so driver have a consistent state of ic_ibss_chan.
|
|
|
|
*/
|
|
|
|
if (ic->ic_bss) /* NB: can be called before lateattach */
|
|
|
|
ic->ic_bss->ni_rates = ic->ic_sup_rates[mode];
|
2003-08-31 01:26:03 +04:00
|
|
|
|
|
|
|
ic->ic_curmode = mode;
|
2005-06-22 10:14:51 +04:00
|
|
|
ieee80211_reset_erp(ic); /* reset ERP state */
|
|
|
|
ieee80211_wme_initparams(ic); /* reset WME stat */
|
|
|
|
|
2003-08-31 01:26:03 +04:00
|
|
|
return 0;
|
|
|
|
#undef N
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Return the phy mode for with the specified channel so the
|
2005-06-22 10:14:51 +04:00
|
|
|
* caller can select a rate set. This is problematic for channels
|
|
|
|
* where multiple operating modes are possible (e.g. 11g+11b).
|
|
|
|
* In those cases we defer to the current operating mode when set.
|
2003-08-31 01:26:03 +04:00
|
|
|
*/
|
|
|
|
enum ieee80211_phymode
|
|
|
|
ieee80211_chan2mode(struct ieee80211com *ic, struct ieee80211_channel *chan)
|
|
|
|
{
|
2005-06-22 10:14:51 +04:00
|
|
|
if (IEEE80211_IS_CHAN_5GHZ(chan)) {
|
|
|
|
/*
|
|
|
|
* This assumes all 11a turbo channels are also
|
|
|
|
* usable withut turbo, which is currently true.
|
|
|
|
*/
|
|
|
|
if (ic->ic_curmode == IEEE80211_MODE_TURBO_A)
|
|
|
|
return IEEE80211_MODE_TURBO_A;
|
2003-08-31 01:26:03 +04:00
|
|
|
return IEEE80211_MODE_11A;
|
2005-06-22 10:14:51 +04:00
|
|
|
} else if (IEEE80211_IS_CHAN_FHSS(chan))
|
2003-10-13 08:28:35 +04:00
|
|
|
return IEEE80211_MODE_FH;
|
2005-06-22 10:14:51 +04:00
|
|
|
else if (chan->ic_flags & (IEEE80211_CHAN_OFDM|IEEE80211_CHAN_DYN)) {
|
|
|
|
/*
|
|
|
|
* This assumes all 11g channels are also usable
|
|
|
|
* for 11b, which is currently true.
|
|
|
|
*/
|
|
|
|
if (ic->ic_curmode == IEEE80211_MODE_TURBO_G)
|
|
|
|
return IEEE80211_MODE_TURBO_G;
|
|
|
|
if (ic->ic_curmode == IEEE80211_MODE_11B)
|
|
|
|
return IEEE80211_MODE_11B;
|
2003-08-31 01:26:03 +04:00
|
|
|
return IEEE80211_MODE_11G;
|
2005-06-22 10:14:51 +04:00
|
|
|
} else
|
2003-08-31 01:26:03 +04:00
|
|
|
return IEEE80211_MODE_11B;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* convert IEEE80211 rate value to ifmedia subtype.
|
|
|
|
* ieee80211 rate is in unit of 0.5Mbps.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
ieee80211_rate2media(struct ieee80211com *ic, int rate, enum ieee80211_phymode mode)
|
|
|
|
{
|
|
|
|
#define N(a) (sizeof(a) / sizeof(a[0]))
|
|
|
|
static const struct {
|
|
|
|
u_int m; /* rate + mode */
|
|
|
|
u_int r; /* if_media rate */
|
|
|
|
} rates[] = {
|
2003-10-13 08:28:35 +04:00
|
|
|
{ 2 | IFM_IEEE80211_FH, IFM_IEEE80211_FH1 },
|
|
|
|
{ 4 | IFM_IEEE80211_FH, IFM_IEEE80211_FH2 },
|
|
|
|
{ 2 | IFM_IEEE80211_11B, IFM_IEEE80211_DS1 },
|
|
|
|
{ 4 | IFM_IEEE80211_11B, IFM_IEEE80211_DS2 },
|
|
|
|
{ 11 | IFM_IEEE80211_11B, IFM_IEEE80211_DS5 },
|
|
|
|
{ 22 | IFM_IEEE80211_11B, IFM_IEEE80211_DS11 },
|
|
|
|
{ 44 | IFM_IEEE80211_11B, IFM_IEEE80211_DS22 },
|
|
|
|
{ 12 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM6 },
|
|
|
|
{ 18 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM9 },
|
|
|
|
{ 24 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM12 },
|
|
|
|
{ 36 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM18 },
|
|
|
|
{ 48 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM24 },
|
|
|
|
{ 72 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM36 },
|
|
|
|
{ 96 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM48 },
|
|
|
|
{ 108 | IFM_IEEE80211_11A, IFM_IEEE80211_OFDM54 },
|
|
|
|
{ 2 | IFM_IEEE80211_11G, IFM_IEEE80211_DS1 },
|
|
|
|
{ 4 | IFM_IEEE80211_11G, IFM_IEEE80211_DS2 },
|
|
|
|
{ 11 | IFM_IEEE80211_11G, IFM_IEEE80211_DS5 },
|
|
|
|
{ 22 | IFM_IEEE80211_11G, IFM_IEEE80211_DS11 },
|
|
|
|
{ 12 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM6 },
|
|
|
|
{ 18 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM9 },
|
|
|
|
{ 24 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM12 },
|
|
|
|
{ 36 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM18 },
|
|
|
|
{ 48 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM24 },
|
|
|
|
{ 72 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM36 },
|
|
|
|
{ 96 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM48 },
|
|
|
|
{ 108 | IFM_IEEE80211_11G, IFM_IEEE80211_OFDM54 },
|
2003-08-31 01:26:03 +04:00
|
|
|
/* NB: OFDM72 doesn't realy exist so we don't handle it */
|
|
|
|
};
|
|
|
|
u_int mask, i;
|
|
|
|
|
|
|
|
mask = rate & IEEE80211_RATE_VAL;
|
|
|
|
switch (mode) {
|
|
|
|
case IEEE80211_MODE_11A:
|
2005-06-22 10:14:51 +04:00
|
|
|
case IEEE80211_MODE_TURBO_A:
|
2003-10-13 08:28:35 +04:00
|
|
|
mask |= IFM_IEEE80211_11A;
|
2003-08-31 01:26:03 +04:00
|
|
|
break;
|
|
|
|
case IEEE80211_MODE_11B:
|
2003-10-13 08:28:35 +04:00
|
|
|
mask |= IFM_IEEE80211_11B;
|
|
|
|
break;
|
|
|
|
case IEEE80211_MODE_FH:
|
|
|
|
mask |= IFM_IEEE80211_FH;
|
2003-08-31 01:26:03 +04:00
|
|
|
break;
|
2003-10-13 08:28:35 +04:00
|
|
|
case IEEE80211_MODE_AUTO:
|
2004-05-01 03:58:05 +04:00
|
|
|
/* NB: ic may be NULL for some drivers */
|
|
|
|
if (ic && ic->ic_phytype == IEEE80211_T_FH) {
|
2003-10-13 08:28:35 +04:00
|
|
|
mask |= IFM_IEEE80211_FH;
|
|
|
|
break;
|
|
|
|
}
|
2004-05-01 03:58:05 +04:00
|
|
|
/* NB: hack, 11g matches both 11b+11a rates */
|
|
|
|
/* fall thru... */
|
|
|
|
case IEEE80211_MODE_11G:
|
2005-06-22 10:14:51 +04:00
|
|
|
case IEEE80211_MODE_TURBO_G:
|
2004-05-01 03:58:05 +04:00
|
|
|
mask |= IFM_IEEE80211_11G;
|
|
|
|
break;
|
2003-08-31 01:26:03 +04:00
|
|
|
}
|
|
|
|
for (i = 0; i < N(rates); i++)
|
|
|
|
if (rates[i].m == mask)
|
|
|
|
return rates[i].r;
|
|
|
|
return IFM_AUTO;
|
|
|
|
#undef N
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
ieee80211_media2rate(int mword)
|
|
|
|
{
|
|
|
|
#define N(a) (sizeof(a) / sizeof(a[0]))
|
2004-07-23 12:05:00 +04:00
|
|
|
static const int ieeerates[] = {
|
|
|
|
-1, /* IFM_AUTO */
|
|
|
|
0, /* IFM_MANUAL */
|
|
|
|
0, /* IFM_NONE */
|
|
|
|
2, /* IFM_IEEE80211_FH1 */
|
|
|
|
4, /* IFM_IEEE80211_FH2 */
|
2005-06-22 10:14:51 +04:00
|
|
|
2, /* IFM_IEEE80211_DS1 */
|
2004-07-23 12:05:00 +04:00
|
|
|
4, /* IFM_IEEE80211_DS2 */
|
|
|
|
11, /* IFM_IEEE80211_DS5 */
|
|
|
|
22, /* IFM_IEEE80211_DS11 */
|
|
|
|
44, /* IFM_IEEE80211_DS22 */
|
|
|
|
12, /* IFM_IEEE80211_OFDM6 */
|
|
|
|
18, /* IFM_IEEE80211_OFDM9 */
|
|
|
|
24, /* IFM_IEEE80211_OFDM12 */
|
|
|
|
36, /* IFM_IEEE80211_OFDM18 */
|
|
|
|
48, /* IFM_IEEE80211_OFDM24 */
|
|
|
|
72, /* IFM_IEEE80211_OFDM36 */
|
|
|
|
96, /* IFM_IEEE80211_OFDM48 */
|
|
|
|
108, /* IFM_IEEE80211_OFDM54 */
|
|
|
|
144, /* IFM_IEEE80211_OFDM72 */
|
2003-08-31 01:26:03 +04:00
|
|
|
};
|
2004-07-23 12:05:00 +04:00
|
|
|
return IFM_SUBTYPE(mword) < N(ieeerates) ?
|
|
|
|
ieeerates[IFM_SUBTYPE(mword)] : 0;
|
2003-08-31 01:26:03 +04:00
|
|
|
#undef N
|
|
|
|
}
|