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156 Commits

Author SHA1 Message Date
Sam Leffler
2cc12aded0 o fix wpa w/ wme: don't strip the QoS header on recv as tkip requires 
it; instead pass the space occupied by the header down into the
  crypto modules (except in the demic case which needs it only when
  doing int in s/w)
o while here fix defrag to strip the header from 2nd and later frames
o teach decap code how to handle 4-address frames
 2005-06-10 16:11:24 +00:00
Sam Leffler
da17aba102 mark stations authorized during recv processing instead of doing it 
as a side effect of sending an auth success frame; sending mgmt
frames should not have side effects
 2005-06-10 05:04:42 +00:00
Sam Leffler
7268fa6483 move AID implementation defines from the protocol definitions to 
where they are used
 2005-06-10 04:42:34 +00:00
Sam Leffler
404265d4fe accept diassoc frame in ASSOC state 2005-06-10 04:37:05 +00:00
Sam Leffler
4720ec1918 pull some debug msgs up so they're seen more often 2005-06-10 01:48:57 +00:00
Sam Leffler
181181ac41 kick the state machine when we receive failure notice from an ap (when 
operating in sta mode); this speeds up the state machine, previously
we were acting on a timeout
 2005-06-10 01:47:28 +00:00
Sam Leffler
4fd1a57d92 discard open auth requests in adhoc mode 2005-06-10 01:43:28 +00:00
Sam Leffler
b8d05d3cf7 reject open auth requests when shared key auth is configured 
Obtained from:	Atheros
 2005-06-10 01:41:59 +00:00
Sam Leffler
84eb84c45d add ieee80211_send_error to encapsulate an idiom 2005-06-10 01:40:58 +00:00
Sam Leffler
c789ea8b60 o always check if ic_set_tim is !NULL before using it 
o add missing call to clear tim after flushing ps q
 2005-06-10 01:38:02 +00:00
Sam Leffler
ec42511509 mark state for protection only when operating in 11g 2005-06-10 01:35:21 +00:00
Sam Leffler
9b4db82905 don't reject station based on the PRIVACY bit in the capabilities; 
the 802.11 spec says not to

Obtained from:	Atheros
 2005-06-10 01:33:47 +00:00
Sam Leffler
49d4c02f30 correct checks for rate set compatibility 2005-06-10 01:31:28 +00:00
Sam Leffler
f1e95a234a record tstamp from beacons received in station mode when associated; 
this is needed by drivers that want to resync their timers based on
the tsf of the last recv'd beacon frame
 2005-06-10 01:29:21 +00:00
Sam Leffler
a634d6a788 o collect dtim period+count from beacons in station mode so drivers 
can better program beacon timers
o leave placeholder in com structure for future ap/adhoc mode tim support

Reviewed by:	avatar
 2005-06-09 04:05:43 +00:00
Sam Leffler
f02a0bd2ac Change the MLME ASSOCIATE ioctl to accept either a ssid, a bssid, 
or a bssid+ssid. This is needed for later versions of wpa_supplicant
and for forthcoming addons to wpa_supplicant.

Note this is an api change and applications must be rebuilt.
 2005-06-07 23:37:49 +00:00
Sam Leffler
ae8880fdce Don't clock the state machine in various cases when roaming is set 
to manual; this helps keep wpa_supplicant in sync.
 2005-06-07 23:31:36 +00:00
Sam Leffler
6aa57182d3 WPA/802.11i interoperability fixes: 
o only include capabilities word in the WPA ie when non-zero and
  not preauth
o always include the capabilities in the RSN ie

Obtained from:	Atheros
 2005-06-07 00:08:48 +00:00
Sam Leffler
96d8846397 add force flag to enmic/demic crypto api for use in xmit fragmentation 
and h/w mic verification

Reviewed by:	avatar
 2005-06-06 04:04:38 +00:00
Sam Leffler
dd70e17b12 Revise crypto api lightly to improve group key handling: 
o don't pre-assign key index to the global key table entries so device
  has a chance to decide what to use
o make ieee80211_crypto_newkey take the desired flags as an argument
  instead of wacking the key structure directly; this eliminates a
  bunch of code warts
o add a new flag IEEE80211_KEY_GROUP to indicate a key is a WPA Group
  key so devices don't need to guess (temporarily add this flag in the
  ioctl code until we can get wpa_supplicant+hostapd updated)
o shuffle IEEE80211_KEY_* bits to move flags used internally to the high
  nibble of the flags word

Reviewed by:	Tai-hwa Liang
 2005-04-12 17:55:13 +00:00
Sam Leffler
0942c81c7a remove extern from function decls 2005-04-04 04:27:20 +00:00
Sam Leffler
1f29887956 change ieee80211_input to return the frame type or -1 2005-04-04 02:32:56 +00:00
Sam Leffler
0fc5fe1218 pass re-association events up using a new message type 2005-03-29 19:36:42 +00:00
Sam Leffler
c9a4bb99b0 when WPA is enabled discard association requests w/o a WPA ie 
Submitted by:	Divy Le Ray
 2005-03-26 07:15:34 +00:00
Sam Leffler
d6ec172c3a don't include wme ie in probe request frames; it was meant for probe response 
frames--move it there

Noticed by:	Ghislain Mary
Submitted by:	Michael Wong
 2005-03-26 07:11:31 +00:00
Sam Leffler
bd40429e3d correct comparison for null ptr 
Noticed by:	Coverity Prevent analysis tool
 2005-03-16 20:42:00 +00:00
Sam Leffler
6edf09a6e9 avoid potential array index by -1 
Noticed by:	Coverity Prevent analysis tool
 2005-03-16 20:40:48 +00:00
Sam Leffler
20098591be eliminate use after free in debug code 
Noticed by:	Coverity Prevent analysis tool
 2005-03-16 20:39:05 +00:00
Sam Leffler
0796482dd1 kill dead code 
Noticed by:	Coverity Prevent analysis tool
 2005-03-16 20:35:23 +00:00
Sam Leffler
48b0a5be74 honor any desired bssid when creating an ibss 
Prodded by:	David Young
Obtained from:	netbsd
 2005-03-08 17:04:14 +00:00
Bill Paul
c788ca3e3c Recently, it was reported to me that you could provoke a double fault 
panic with the NDISulator if you did "ifconfig ndis0 10.0.0.1/24,"
whereas "ifconfig ndis0 10.0.0.1/24 up" worked fine. The double fault
was caused by the ifconfig thread running out of kernel stack space.
(This was partly due to the NDIsulator using a couple of big buffers on
the stack, but even after fixing that the double fault persisted.)

It turns out that ndis_init() is called in both cases, but in the first
case the code path passes through ieee80211_ioctl(), and it turns out
ieee80211_ioctl() consumes a whopping 2400 bytes of stack space.
Apparently, gcc -O2 causes the ieee80211_ioctl_get80211() routine to
be inlined into ieee80211_ioctl(), and for some reason which I do not
fully understand, this causes ieee80211_ioctl() to consume an extra 2K
of stack space.

To prevent this overly agressive optimization, ieee80211_ioctl_get80211()
is now declared with __attribute__ ((noinline)). With this change,
ieee80211_ioctl() now only reserves about 200 bytes of stack instead of 2400.
 2005-03-03 17:35:05 +00:00
Sam Leffler
a0cc3f8558 mark timestamp for pending fragments 
Noticed by:	Jeffrey D. Chung
 2005-02-23 04:52:30 +00:00
Sam Leffler
b4b64678d0 rev 1.19 fixed wpa supplicant but broke wpa authenticator; when operating 
as an authenticator need to always check for the unicast key in the node
(as was the case before)

Submitted by:	Divy Le Ray
 2005-02-10 17:00:48 +00:00
Sam Leffler
f9cd9174fa propagate state kept in the bss node when re-creating the node 
on state transitions; this is a stopgap measure, need to rethink
how we do management of this state

Identified by:	Divy Le Ray
 2005-02-10 16:59:04 +00:00
Sam Leffler
cb212bbc75 correct check for unicast key being setup; wpa_supplicant in particular 
uses only the global key state so looking in the per-node key slot is wrong

Submitted by:	Tai-hwa Liang
 2005-02-03 16:21:07 +00:00
Sam Leffler
badaf7bbb2 supply a default ic_reset method for drivers; the ioctl code expect this 
method to always be setup

Submitted by:	Tai-hwa Liang
 2005-01-27 17:39:17 +00:00
Sam Leffler
49a152366e update node reference count debug msgs to include the node address 
since the mac address may not be sufficient to uniquely identify a node
 2005-01-24 20:50:20 +00:00
Sam Leffler
5aa17efa69 clear IEEE80211_F_WMEUPDATE when building the initial beacon frame so we 
don't do an update on the first beacon
 2005-01-24 20:41:12 +00:00
Sam Leffler
2c21ffc8f5 noop change so RUN->RUN transition isn't considered invalid 
(it happens on ibss merge)
 2005-01-24 20:39:29 +00:00
Sam Leffler
5a11fbca83 add macros to convert between txop's and usecs 2005-01-24 20:38:26 +00:00
Sam Leffler
2ffc548f43 o clarify that beacon interval settings are in TU's, not ms 
o add macros to convert between TU's and ms
 2005-01-24 19:39:07 +00:00
Sam Leffler
acc4f7f50c statically allocate the station/neighbor node table; the deferred 
allocation scheme introduced a race condition during device state
transitions
 2005-01-24 19:32:10 +00:00
Sam Leffler
a8b16e8727 handle potential stale values of bssid in neighbor nodes that 
can occur after an ibss merge

Submitted by:	David Young
 2005-01-22 20:33:37 +00:00
Sam Leffler
4ef04d32f3 when ssid suppression is enabled don't respond to probe requests 
unless our ssid is specified
 2005-01-22 20:31:22 +00:00
Sam Leffler
e5a96ac7fb be consistent in naming inactivity timers; 
net.wlan.X.inact -> net.wlan.X.inact_run
 2005-01-22 20:29:23 +00:00
Sam Leffler
a88be5f1ae o replace out-of-line copy of FCS w/ a flag that indicates the 
frame includes FCS (requires applications to be updated, but since
  we weren't doing the out-of-line FCS stuff anyway app changes
  were needed already)
o add a flag to indicate padding exists between the 802.11 header and
  the payload (e.g. for Atheros cards)
o diff reducation against netbsd

MFC after:	1 week
 2005-01-22 20:12:05 +00:00
Sam Leffler
44acc00dda when a station is timed out for inactivity, remove it from the table 
so it isn't considered again
 2005-01-20 02:59:21 +00:00
Sam Leffler
ce64703289 explicitly avoid timing out ourself due to inactivity; it 
can easily happen if the bss is quiet
 2005-01-20 02:54:18 +00:00
Sam Leffler
90d0d0366b fix refcnt leak in adhoc mode: entries in the neighbor table 
created due to rx'd frames had an extra reference
 2005-01-20 02:53:11 +00:00
Sam Leffler
a84679cd18 remove debug msg from ieee80211_iterate_nodes; it makes logs very noisy 
as onoe rate control invokes this once a second
 2005-01-18 20:35:39 +00:00