Commit Graph

86818 Commits

Author SHA1 Message Date
Ivo van Doorn
7281037943 rt2x00: Rename config_preamble() to config_erp()
Rename config_preamble() to config_erp() and cleanup argument
list by putting it all into a single structure.
This will make the function more meaningful and easier to
expand later. This second option is mostly intended to make
the patch "mac80211: proper short-slot handling" from Johannes Berg
easier to apply for rt2x00.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:36 -04:00
Ivo van Doorn
e4030a2f40 rt2x00: Check IEEE80211_TXCTL_SEND_AFTER_DTIM flag
When mac sets the IEEE80211_TXCTL_SEND_AFTER_DTIM flag, we should
check if the ATIM queue is available in the driver and put the
frame in that queue for proper behavior (send frame after beacon interval).
Unfortunately not all drivers have this ATIM queue, and will lack
this feature for now.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:36 -04:00
Ivo van Doorn
a4fe07d913 rt2x00: Start bugging when rt2x00lib doesn't filter SW diversity
rt2x00lib should filter SW diversity out before sending any configuration
changes to the driver. When rt2x00lib fails to do this, it is important
that such events are reported because it _must_ be fixed.
So upgrading the error level to a BUG_ON() which will make sure
this bug gets noticed whenever it happens.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:36 -04:00
Ivo van Doorn
a7f3a06cbb rt2x00: Move firmware checksumming to driver
rt2x00lib depended on 2 crc algorithms because rt61/rt73
use a different algorithm then rt2800. This means that
even when only 1 algorithm was needed, the dependency was
still present for both.
By moving the checksum generation to the driver we can clean
up 2 annoying flags (which indicated which checksum was required)
and move the dependency to where it belongs: the driver.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:36 -04:00
Ivo van Doorn
5f46c4d053 rt2x00: Upgrade queue->lock to use irqsave
The queue->lock could be grabbed from interrupt context,
which could lead to lockdep panic like this:

kernel: ======================================================
kernel: [ INFO: soft-safe -> soft-unsafe lock order detected ]
kernel: 2.6.25-0.95.rc4.fc9 #1
kernel: ------------------------------------------------------
kernel: rt2500pci/1251 [HC0[0]:SC0[1]:HE1:SE0] is trying to acquire:
kernel:  (&queue->lock){--..}, at: [<ffffffff88213339>] rt2x00queue_get_entry+0x5a/0x81 [rt2x00lib]
kernel:
kernel: and this task is already holding:
kernel:  (_xmit_IEEE80211){-...}, at: [<ffffffff8122e9a3>] __qdisc_run+0x84/0x1a9
kernel: which would create a new lock dependency:
kernel:  (_xmit_IEEE80211){-...} -> (&queue->lock){--..}
kernel:
kernel: but this new dependency connects a soft-irq-safe lock:
kernel:  (_xmit_ETHER){-+..}
kernel: ... which became soft-irq-safe at:
kernel:   [<ffffffffffffffff>] 0xffffffffffffffff
kernel:
kernel: to a soft-irq-unsafe lock:
kernel:  (&queue->lock){--..}
kernel: ... which became soft-irq-unsafe at:
kernel: ...  [<ffffffff810545a2>] __lock_acquire+0x62d/0xd63
kernel:   [<ffffffff81054d36>] lock_acquire+0x5e/0x78
kernel:   [<ffffffff812a1497>] _spin_lock+0x26/0x53
kernel:   [<ffffffff88212f98>] rt2x00queue_reset+0x16/0x40 [rt2x00lib]
kernel:   [<ffffffff88212fd4>] rt2x00queue_alloc_entries+0x12/0xab [rt2x00lib]
kernel:   [<ffffffff88213091>] rt2x00queue_initialize+0x24/0xf2 [rt2x00lib]
kernel:   [<ffffffff88212036>] rt2x00lib_start+0x3b/0xd4 [rt2x00lib]
kernel:   [<ffffffff88212609>] rt2x00mac_start+0x18/0x1a [rt2x00lib]
kernel:   [<ffffffff881b9a4b>] ieee80211_open+0x1f3/0x46d [mac80211]
kernel:   [<ffffffff8121d980>] dev_open+0x4d/0x8b
kernel:   [<ffffffff8121d41e>] dev_change_flags+0xaf/0x172
kernel:   [<ffffffff81224fc2>] do_setlink+0x276/0x338
kernel:   [<ffffffff81225198>] rtnl_setlink+0x114/0x116
kernel:   [<ffffffff812262fc>] rtnetlink_rcv_msg+0x1d8/0x1f9
kernel:   [<ffffffff8123649a>] netlink_rcv_skb+0x3e/0xac
kernel:   [<ffffffff8122611a>] rtnetlink_rcv+0x29/0x33
kernel:   [<ffffffff81235eed>] netlink_unicast+0x1fe/0x26b
kernel:   [<ffffffff81236224>] netlink_sendmsg+0x2ca/0x2dd
kernel:   [<ffffffff812103b3>] sock_sendmsg+0xfd/0x120
kernel:   [<ffffffff812105a8>] sys_sendmsg+0x1d2/0x23c
kernel:   [<ffffffff8100c1c7>] tracesys+0xdc/0xe1
kernel:   [<ffffffffffffffff>] 0xffffffffffffffff

This can be fixed by using the irqsave/irqrestore versions
during the queue->lock handling.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:35 -04:00
Luis Correia
61191fb272 rt2x00: Fix trivial log message
Fix trivial log message.

Signed-off-by: Luis Correia <luis.f.correia@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:35 -04:00
Adam Baker
fd07e06380 rt2x00:correct rx packet length for USB devices
When fixing up the packet alignment, if we had to add 2 bytes to the front of
the skb we need to remember to take them off the end afterwards. This fixes
reception of encrypted packets which were otherwise failing with an invalid
ICV.

Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:35 -04:00
Ivo van Doorn
8af244ccb1 rt2x00: Only disable beaconing just before beacon update
We should not write 0 to the beacon sync register during
config_intf() since that will clear out the beacon interval
and forces the beacon to be send out at the lowest interval.
(reported by Mattias Nissler).

The side effect of the same bug was that while working with
multiple virtual AP interfaces a change for any of those
interfaces would disable beaconing untill an beacon update
was provided.

This is resolved by only updating the TSF_SYNC value during
config_intf(). In update_beacon() we disable beaconing
temporarily to prevent fake beacons to be transmitted.
Finally kick_tx_queue() will enable beaconing again.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:35 -04:00
Ivo van Doorn
3976ae6c2b rt2x00: Use skbdesc fields for descriptor initialization
In rt2x00lib_write_tx_desc() the skb->data and skb->len fields
were incorrectly used. For USB drivers both of those values
contain invalid data (skb->data points to the device descriptor,
skb->len contains the frame _and_ descriptor length).

Instead of using the skbuffer fields we should use the skbdesc
fields which are correctly initialized and contain all the data
that we need.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:34 -04:00
Mattias Nissler
2ae23854dc rt2x00: Don't use unitialized rxdesc->size
rxdesc->size is unitialized before the desriptor has been read.
Move the truncation of the sk buffer to the moment all variables
have been initialized.

Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:34 -04:00
Ivo van Doorn
2d1be5b0d1 rt2x00: Don't use uninitialized desc_len
skbdesc->desc_len is uninitialized at the start
of the function. So it is a _bad_ idea to use it...

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:34 -04:00
Mattias Nissler
95db4d4d5f rt2x00: Use the correct size when copying the control info in txdone
The sizeof() operator was incorrectly applied to the pointer, not the struct.

Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:34 -04:00
Mattias Nissler
92f5ac6320 rt2x00: Initialize TX control field in data entries
In the TX path, the driver didn't copy the TX control data structure. Thus, it
was invalid in the TX done handler, causing serious trouble and misbehaviour.

Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:33 -04:00
Ivo van Doorn
f855c10b6e rt2x00: Align RX descriptor to 4 bytes
Some architectures give problems when reading
RX frame descriptor words when the descriptor
is not aligned on a 4 byte boundrary.

Due to optimalizations for the ieee80211 payload
4 byte alignment, it is no longer guarenteed
that the descriptor is placed on the 4 byte
boundrary (In fact, for rt73usb it is absolutely
never aligned to 4 bytes, for rt2500usb it depends
on the length of the payload).

This will copy the descriptor to a 4 byte aligned
location before it is read for the first time.
This will also move the payload data alignment
in rt2x00usb (instead of inside the driver) where
it has always belonged.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:33 -04:00
Harvey Harrison
40e024de93 b43: pull out helpers for writing noise table
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:33 -04:00
Jussi Kivilinna
461b3f2aa3 rndis_wlan: cleanup, rename structure members
Rename members of ndis_80211_* structures to match the style of
the rest of the code.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:33 -04:00
Jussi Kivilinna
1e41e1d277 rndis_wlan: cleanup, rename and reorder enums and structures
Rename enums and structures to ndis_80211_* for greater readability.
Also change order so that enumerations are presented first.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:32 -04:00
Joe Perches
e9010e2fdf drivers/net/wireless/ath5k - convert == (true|false) to simple logical tests
(test == true) is not nice.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:32 -04:00
Holger Schurig
52933d815b libertas: implement SSID scanning for SIOCSIWSCAN
After my bit scan re-writing the SIOCSIWSCAN wext ioctl no longer supported
scanning for a specific SSID. However, wpa_supplicant is a possible user of
this ioctl, so here is code that add's this.

While passing, removed even more of the debugfs-based scanning. You can (and
should) the SIOCSIWSCAN to ask for scans, so there is no need for
proprietary interfaces for scanning. And, besides, the scan result couldn't
be used further, e.g. not for associating.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:32 -04:00
Adrian Bunk
d9357136ac the scheduled rc80211-simple.c removal
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:31 -04:00
Adrian Bunk
7524d7d6de the scheduled ieee80211 softmac removal
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:02:31 -04:00
Adrian Bunk
2079fcdc06 the scheduled bcm43xx removal
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: <Larry.Finger@lwfinger.net>
Cc: <stefano.brivio@polimi.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:01:04 -04:00
Adrian Bunk
affe0a0218 make b43_mac_{enable,suspend}() static
b43_mac_{enable,suspend}() can now become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-13 16:01:04 -04:00
David S. Miller
ba73d4c84a Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26 2008-03-11 19:17:18 -07:00
Reinette Chatre
deedf50430 iwlwifi: fix potential lock inversion deadlock
This is a change to a previous patch ("iwlwifi: 3945 split tx_complete
to command and packet function") to ensure we do not have hardirq safe
locks (priv->lock in this case) depend on hardirq unsafe locks.

We only call iwl3945_tx_queue_reclaim while in a tasklet so we have to use
the irqsafe version of the function.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 17:25:26 -05:00
John W. Linville
f868f4e196 wireless: correct warnings from using '%llx' for type 'u64'
drivers/net/wireless/ath5k/debug.c: In function 'read_file_tsf': drivers/net/wireless/ath5k/debug.c:203: warning: format '%016llx'
expects type 'long long unsigned int', but argument 4 has type 'u64' drivers/net/wireless/ath5k/debug.c:203: warning: format '%016llx'
expects type 'long long unsigned int', but argument 4 has type 'u64' drivers/net/wireless/ath5k/debug.c: In function 'read_file_beacon':
drivers/net/wireless/ath5k/debug.c:274: warning: format '%016llx' expects type 'long long unsigned int', but argument 4 has type 'u64'
drivers/net/wireless/ath5k/debug.c:274: warning: format '%016llx' expects type 'long long unsigned int', but argument 4 has type 'u64'

drivers/net/wireless/iwlwifi/iwl-4965.c: In function 'iwl4965_tx_status_reply_compressed_ba':
drivers/net/wireless/iwlwifi/iwl-4965.c:3907: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64'
drivers/net/wireless/iwlwifi/iwl-4965.c: In function 'iwl4965_rx_reply_compressed_ba':
drivers/net/wireless/iwlwifi/iwl-4965.c:4039: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type '__le64'
drivers/net/wireless/iwlwifi/iwl-4965.c:4046: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64'
drivers/net/wireless/iwlwifi/iwl4965-base.c: In function 'iwl4965_tx_status_reply_tx':
drivers/net/wireless/iwlwifi/iwl4965-base.c:3661: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type 'u64'

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 17:09:52 -05:00
Bruno Randolf
6ba81c2c98 ath5k: work around wrong beacon rx timestamp in IBSS mode
atheros hardware has a problem with the rx timestamp of some IBSS beacons when
they caused a TSF update (they have the same BSSID).

the rx timestamp is wrong especially if the beacon frames get bigger than 78
byte (at least on AR5213 and AR5414 hardware). in that case ath5k_extend_tsf()
will assume a rs_tstamp overflow and give us a timestamp too far in the past
which will cause mac80211 to merge IBSS on every beacon (which is not necessary
since the BSSID already matches). but in this case we know that the HW must
have synced to the beacons TSF and the rx timestamp must be later than that so
we can adjust mactime accordingly.

also rename the function to ath5k_check_ibss_tsf() and change comments, since
"hw merge" is better described as a TSF update.

drivers/net/wireless/ath5k/base.c:      Changes-licensed-under: 3-Clause-BSD

Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:07:50 -05:00
Bruno Randolf
e14296caba ath5k: add notes about rx timestamp
add comments about the fact that we don't know when exactly the atheros
hardware takes the RX timestamp.

drivers/net/wireless/ath5k/base.c:      Changes-licensed-under: 3-Clause-BSD

Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:07:50 -05:00
Bruno Randolf
b47f407bef ath5k: move rx and tx status structures out of hardware descriptor
move ath5k_tx_status and ath5k_rx_status structures out of the hardware
descriptor since they are not accessed by the hardware at all. they just
contain converted information from the hardware descriptor. since they are only
used in the rx and tx tasklets there is also no use to keep them for each
descriptor.

drivers/net/wireless/ath5k/ath5k.h:     Changes-licensed-under: ISC
drivers/net/wireless/ath5k/base.c:      Changes-licensed-under: 3-Clause-BSD
drivers/net/wireless/ath5k/debug.c:     Changes-licensed-under: GPL
drivers/net/wireless/ath5k/debug.h:     Changes-licensed-under: GPL
drivers/net/wireless/ath5k/hw.c:        Changes-licensed-under: ISC

Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:07:49 -05:00
Bruno Randolf
19fd6e5510 ath5k: struct ath5k_desc cleanups
* make struct ath5k_desc clearer by directly including unions of structures,
  which correspond to the hardware descriptors of different HW versions (5210
  and 5212). before they were casted at onto ath5k_desc at different points
  (e.g.  ds_hw[2]).

* rename some structures and variable names to make their use clearer, e.g.
  struct ath5k_hw_4w_tx_desc to ath5k_hw_4w_tx_ctl.

* substitute "old" with "5210" and "new" with "5212" (eg. rename
  ath5k_hw_proc_new_rx_status() to ath5k_hw_proc_5212_rx_status()) because old
  and new are relative and we might have a newer structure at some point.

* unify structs ath5k_hw_old_rx_status and ath5k_hw_new_rx_status into one
  ath5k_hw_rx_status, because they only differ in the flags and masks.

drivers/net/wireless/ath5k/ath5k.h:     Changes-licensed-under: ISC
drivers/net/wireless/ath5k/debug.c:     Changes-licensed-under: GPL
drivers/net/wireless/ath5k/hw.c:        Changes-licensed-under: ISC
drivers/net/wireless/ath5k/hw.h:        Changes-licensed-under: ISC

Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:07:49 -05:00
Ron Rindjunsky
b095d03a7d iwlwifi: grab NIC access when disabling aggregations
This patch grabs NIC access inside iwl4965_tx_queue_agg_disable, instead of the
caller doing it.
The caller must still hold priv->lock when calling the function.

Signed-off-by: Max Stepanov <max.stepanov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:02 -05:00
Tomas Winkler
91c066f27b iwlwifi: 3945 split tx_complete to command and packet function
This patch
1. removes cmd completion from iwl3945_tx_queue_reclaim
and creates iwl3945_cmd_queue_reclaim.
1. removes 11n relevant elements from this function
2. removes call to ieee80211_tx_status_irqsafe
and uses ieee80211_tx_status only

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:02 -05:00
Tomas Winkler
28447f3cfd iwlwifi: Fix 3945 rate scaling
This patch fix 3945 rate scaling after cfg80211 rate/band changes

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Tomas Winkler
c54b679ddc iwlwifi: queue functions cleanup
This patch moves
1. iwl_queue_inc_wrap and int iwl_queue_dec_wrap
into  iwl-helpers.h these two functions are identical to common
for both iwl3956 and iwl4965
2. renames x2_queue_used to iwl3945_x2_queue_used
3. exports iwl3945_queue_space out of iwl3964-base.c

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Assaf Krauss
34cf6ff6dd iwlwifi: Moving EEPROM handling in iwlcore module
This patch move EEPROM code into iwl core module

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Tomas Winkler
df48c3235c iwlwifi: add iwl-core module
This patch adds iwl-core module to iwlwifi driver.
This module will contain common code and infrastracture for iwlwifi
driver

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Tomas Winkler
f4d6082d53 iwlwifi: fix locking unbalance in 4965 rate scale
This patch fixes locking unbalance after adding rcu locking
for sta

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Ron Rindjunsky
6c5ef8a705 mac80211: document IEEE80211_TXCTL_OFDM_HT
This patch clarifies the use of IEEE80211_TXCTL_OFDM_HT flag.

Can by united with patch "mac80211: adding mac80211_tx_control
flags and HT flags"

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:01 -05:00
Emmanuel Grumbach
b716bb918f iwlwifi: Cancel scanning upon association
This patch cancels an ongoing HW scan upon association. Not doing this
resulted in instability in association.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Tomas Winkler
4bf775cdc0 iwlwifi: Take the fw file name from the iwl_cfg.
This patch adds fw_name to iwl_cfg. This allows run time selection
of needed fw/ucode file

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Tomas Winkler
82b9a12131 iwlwifi: add struct iwl_cfg
This patch introduces struct iwl_cfg. struct iwl_cfg defines static
configuration for each device type and sku. It is passed as driver_data
to the bus probe function.
This patch also introduce new common header file iwl-core.h
which will represent core functionality of iwlwifi driver

3945ABG uses separate iwl-3945-dev.h header file for now

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Tomas Winkler
750fe63966 iwlwifi: Move HBUS address to iwl-csr.h
HBUS is accessed through CSR registers
moved to iwl-csr.h

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Tomas Winkler
6f83eaa170 iwlwifi: extract iwl-csr.h
This patch extract CSR Register definition into separate
header files as most of the definition are commons to both
3945 and 4965.

Definitions specific for 3945 and 4965 are properly prefixed

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Ron Rindjunsky
4c424e4cc7 iwlwifi: use mac80211_tx_control_flags
This patch makes use of the new mac80211_tx_control_flags and tx_rate to
pass Tx data, regular and 11n, from the HW tx response into the rate scaling.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:03:00 -05:00
Ron Rindjunsky
11f4b1cec9 mac80211: adding mac80211_tx_control_flags and HT flags
This patch makes enum from the defines previously dwelled inside
ieee80211_tx_control for better readability.
The patch also addes HT flags, for 802.11n drivers:
- IEEE80211_TXCTL_OFDM_HT: request low-level driver to use HT OFDM rates
- IEEE80211_TXCTL_GREEN_FIELD: use green field protection
- IEEE80211_TXCTL_DUP_DATA: duplicate data on both 20 Mhz channels
- IEEE80211_TXCTL_40_MHZ_WIDTH: send this frame in 40Mhz width
- IEEE80211_TXCTL_SHORT_GI: send this frame with short guard interval

Tx command can be a combination of any of these flags, along with
bitrate represented by ieee80211_rate. this will allow legacy drivers to
switch easily to any 11n rate representation.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
CC: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00
Guy Cohen
134eb5d327 iwlwifi: 802.11n spec removes AUTO offset for FAT channel
This patch adapts to 802.11 patch and remove AUTO offset for FAT
channel

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00
Michael Buesch
87d96114a7 b43: Fix failed frames status report typo
This fixes a typo in the status report.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00
Michael Buesch
57df40d278 b43: Add TX statistics debugging counters
This adds a few debugging counters, that are useful for debugging the
"card does not transmit" or "connection is unstable" kind of problems.
It's also useful for tuning an RC algorithm.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00
Michael Buesch
b27faf8ebf b43: Rename the DMA ring pointers
Rename the DMA ring pointers to have more descriptive and standard
names. Also remove the 6th unused TX ring. We can add it back later,
if we need it. The unused TX-status rx-ring is also removed, as that's
only used by legacy devices not supported by this driver anyway.

This is no functional change, except less memory allocation for
the removed rings.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00
Michael Buesch
e6f5b934fb b43: Add QOS support
This adds QOS support to the b43 driver.
QOS can be disabled on driver level with a module parameter for debugging purposes.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-07 16:02:59 -05:00