Commit Graph

43 Commits

Author SHA1 Message Date
Johannes Berg b4a4bf5d77 mac80211: fixups for "make master iface not wireless"
In "mac80211: make master iface not wireless" I accidentally
forgot to include these changes ... leading to the expected
BUG_ON errors.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-30 14:07:23 -04:00
Arnaldo Carvalho de Melo 6067804047 net: Use hton[sl]() instead of __constant_hton[sl]() where applicable
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-20 22:20:49 -07:00
Johannes Berg 17741cdc26 mac80211: share STA information with driver
This patch changes mac80211 to share some more data about
stations with drivers. Should help iwlwifi and ath9k when
 they get around to updating, and might also help with
implementing rate control algorithms without internals.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-09-15 16:48:23 -04:00
Daniel Wagner 2f58bbf27f mac80211: Use only precedence level of DSCP field for frame classification
Bit 4-5 of DSCP should not be considered by classify_d1. The
802.11 QoS Priority field is only depending on the precedence level.

Signed-off-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-29 16:24:05 -04:00
David S. Miller 35ed4e7598 mac80211: Use queue_lock() in ieee80211_ht_agg_queue_remove().
qdisc_root_lock() is only %100 safe to use when the RTNL
semaphore is held.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-02 23:25:50 -07:00
Johannes Berg d0f0980414 mac80211: partially fix skb->cb use
This patch fixes mac80211 to not use the skb->cb over the queue step
from virtual interfaces to the master. The patch also, for now,
disables aggregation because that would still require requeuing,
will fix that in a separate patch. There are two other places (software
requeue and powersaving stations) where requeue can happen, but that is
not currently used by any drivers/not possible to use respectively.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-29 16:55:08 -04:00
Jussi Kivilinna 5f86173bdf net_sched: Add qdisc_enqueue wrapper
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20 00:08:04 -07:00
David S. Miller 8387400092 pkt_sched: Kill netdev_queue lock.
We can simply use the qdisc->q.lock for all of the
qdisc tree synchronization.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-17 19:21:30 -07:00
David S. Miller 51cb6db0f5 mac80211: Reimplement WME using ->select_queue().
The only behavior change is that we do not drop packets under any
circumstances.  If that is absolutely needed, we could easily add it
back.

With cleanups and help from Johannes Berg.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-17 19:21:12 -07:00
David S. Miller e8a0464cc9 netdev: Allocate multiple queues for TX.
alloc_netdev_mq() now allocates an array of netdev_queue
structures for TX, based upon the queue_count argument.

Furthermore, all accesses to the TX queues are now vectored
through the netdev_get_tx_queue() and netdev_for_each_tx_queue()
interfaces.  This makes it easy to grep the tree for all
things that want to get to a TX queue of a net device.

Problem spots which are not really multiqueue aware yet, and
only work with one queue, can easily be spotted by grepping
for all netdev_get_tx_queue() calls that pass in a zero index.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-17 19:21:00 -07:00
David S. Miller b0e1e6462d netdev: Move rest of qdisc state into struct netdev_queue
Now qdisc, qdisc_sleeping, and qdisc_list also live there.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08 17:42:10 -07:00
David S. Miller dc2b48475a netdev: Move queue_lock into struct netdev_queue.
The lock is now an attribute of the device queue.

One thing to notice is that "suspicious" places
emerge which will need specific training about
multiple queue handling.  They are so marked with
explicit "netdev->rx_queue" and "netdev->tx_queue"
references.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08 17:18:23 -07:00
David S. Miller 5ce2d488fe pkt_sched: Remove 'dev' member of struct Qdisc.
It can be obtained via the netdev_queue.  So create a helper routine,
qdisc_dev(), to make the transformations nicer looking.

Now, qdisc_alloc() now no longer needs a net_device pointer argument.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08 17:06:30 -07:00
David S. Miller bb949fbd18 netdev: Create netdev_queue abstraction.
A netdev_queue is an entity managed by a qdisc.

Currently there is one RX and one TX queue, and a netdev_queue merely
contains a backpointer to the net_device.

The Qdisc struct is augmented with a netdev_queue pointer as well.

Eventually the 'dev' Qdisc member will go away and we will have the
resulting hierarchy:

	net_device --> netdev_queue --> Qdisc

Also, qdisc_alloc() and qdisc_create_dflt() now take a netdev_queue
pointer argument.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08 16:55:56 -07:00
Harvey Harrison 238f74a227 mac80211: move QOS control helpers into ieee80211.h
Also remove the WLAN_IS_QOS_DATA inline after removing the last
two users.  This starts moving away from using rx->fc to using
the header frame_control directly.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-08 14:15:59 -04:00
Tomas Winkler d96a7bc049 mac80211: remove useless tid assignment for management and control frames
This patch removes useless tid assignment for management and control frames

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-08 10:21:34 -04:00
David S. Miller ea2aca084b Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:

	Documentation/feature-removal-schedule.txt
	drivers/net/wan/hdlc_fr.c
	drivers/net/wireless/iwlwifi/iwl-4965.c
	drivers/net/wireless/iwlwifi/iwl3945-base.c
2008-07-05 23:08:07 -07:00
Johannes Berg f4ea83dd74 mac80211: rework debug settings and make debugging safer
This patch reworks the mac80211 debug settings making them more focused
and adding help text for those that didn't have one. It also removes a
number of printks that can be triggered remotely and add no value, e.g.
"too short deauthentication frame received - ignoring".

If somebody really needs to debug that they should just add a monitor
interface and look at the frames in wireshark.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-02 15:48:33 -04:00
Patrick McHardy ff31ab56c0 net-sched: change tcf_destroy_chain() to clear start of filter list
Pass double tcf_proto pointers to tcf_destroy_chain() to make it
clear the start of the filter list for more consistency.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-01 19:52:38 -07:00
David S. Miller caea902f72 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:

	drivers/net/wireless/rt2x00/Kconfig
	drivers/net/wireless/rt2x00/rt2x00usb.c
	net/sctp/protocol.c
2008-06-16 18:25:48 -07:00
Harvey Harrison 002aaf4ea6 mac80211: wme.c use new helpers
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-14 12:18:13 -04:00
Tomas Winkler 995ad6c5a4 mac80211: add missing new line in debug print HT_DEBUG
This patch adds '\n' in debug printk (wme.c HT DEBUG)

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-13 16:14:53 -04:00
Johannes Berg e253008360 mac80211: use multi-queue master netdevice
This patch updates mac80211 and drivers to be multi-queue aware and
use that instead of the internal queue mapping. Also does a number
of cleanups in various pieces of the code that fall out and reduces
internal mac80211 state size.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-21 21:48:14 -04:00
Johannes Berg e039fa4a41 mac80211: move TX info into skb->cb
This patch converts mac80211 and all drivers to have transmit
information and status in skb->cb rather than allocating extra
memory for it and copying all the data around. To make it fit,
a union is used where only data that is necessary for all steps
is kept outside of the union.

A number of fixes were done by Ivo, as well as the rt2x00 part
of this patch.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-21 21:48:11 -04:00
David S. Miller 63fe46da9c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:

	drivers/net/wireless/iwlwifi/iwl-4965-rs.c
	drivers/net/wireless/rt2x00/rt61pci.c
2008-05-15 00:34:44 -07:00
Pavel Roskin a4278e18e7 mac80211: add missing newlines in printk()
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-12 21:44:41 -04:00
Johannes Berg 5c5e12898a mac80211: fix wme code
In commit e100bb64bf (mac80211:
QoS related cleanups) I accidentally changed a variable from
int to u16 causing a warning that a comparison for < 0 was always
false. John thought this was a missing deletion of code and removed
the warning by deleting the never executed branch of code in commit
3df5ee60f1 (wireless: fix warning
introduced by "mac80211: QoS related cleanups") but the problem really
was my mistake of using a u16 variable for the queue variable when
that variable can also contain an error code. This patch restores
the original code and variable type.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-07 15:15:00 -04:00
John W. Linville 3df5ee60f1 wireless: fix warning introduced by "mac80211: QoS related cleanups"
net/mac80211/wme.c: In function ‘wme_qdiscop_enqueue’:
net/mac80211/wme.c:219: warning: comparison is always false due to limited range of data type

drivers/net/wireless/p54/p54common.c: In function ‘p54_conf_tx’:
drivers/net/wireless/p54/p54common.c:947: warning: comparison is always false due to limited range of data type

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-07 15:02:27 -04:00
Johannes Berg e100bb64bf mac80211: QoS related cleanups
This
 * makes the queue number passed to drivers a u16
   (as it will be with skb_get_queue_mapping)
 * removes the useless queue number defines
 * splits hw->queues into hw->queues/ampdu_queues
 * removes the debugfs files for per-queue counters
 * removes some dead QoS code
 * removes the beacon queue configuration for IBSS
   so that the drivers now never get a queue number
   bigger than (hw->queues + hw->ampdu_queues - 1)
   for tx and only in the range 0..hw->queues-1 for
   conf_tx.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-07 15:02:26 -04:00
Ron Rindjunsky 0da926f057 mac80211: fix use before check of Qdisc length
This patch fixes use of Qdisc length in requeue function, before we checked
the reference is valid. (Adrian Bunk's catch)

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-23 21:25:35 -04:00
Johannes Berg d0709a6518 mac80211: RCU-ify STA info structure access
This makes access to the STA hash table/list use RCU to protect
against freeing of items. However, it's not a true RCU, the
copy step is missing: whenever somebody changes a STA item it
is simply updated. This is an existing race condition that is
now somewhat understandable.

This patch also fixes the race key freeing vs. STA destruction
by making sure that sta_info_destroy() is always called under
RTNL and frees the key.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-03-06 15:30:46 -05:00
Ron Rindjunsky a9af2013ca mac80211: adjustable number of bits for qdisc pool
This fix allows to control the number of bits that qdiscs book keeping
can be done for with respect to the qdisc pool

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29 15:37:05 -05:00
Ron Rindjunsky 9e72349237 mac80211: A-MPDU Tx adding qdisc support
This patch allows qdisc support in A-MPDU Tx. a method to
handle QoS <-> TID switches is present in this patch.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29 15:19:17 -05:00
Patrick McHardy 1e90474c37 [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API
Convert packet schedulers to use the netlink API. Unfortunately a gradual
conversion is not possible without breaking compilation in the middle or
adding lots of casts, so this patch converts them all in one step. The
patch has been mostly generated automatically with some minor edits to
at least allow seperate conversion of classifiers and actions.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 15:11:10 -08:00
Guy Cohen a8bdf29c6c mac80211: Assign correct TID for local bridged packets
This patch assigns correct TID to frames transmitted between
two stations in the same BSS in AP mode.
The problem is that skb->protocol is not set to ETH_P_IP and it is wrong
to use that field at this stage.
The fix compares the LLC/Protocol headers explicitly to check if the
encapsulated frame is IP frame

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28 15:10:41 -08:00
YOSHIFUJI Hideaki f831e90971 [MAC80211]: Use htons() where appropriate.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 14:58:04 -08:00
Eric Dumazet 20fea08b5f [NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections.
Qdisc_class_ops are const, and Qdisc_ops are mostly read.

Using "const" and "__read_mostly" qualifiers helps to reduce false
sharing.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 14:53:58 -08:00
Johannes Berg f9d540ee5f [MAC80211]: remove management interface
Removes the management interface since it is only required
for hostapd/userspace MLME, will not be in the final tree
at least in this form and hostapd/userspace MLME currently
do not work against this tree anyway.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:54:15 -07:00
Johannes Berg 3c3b00caf9 [MAC80211]: clean up whitespace
This cleans up some whitespace to make the mac80211
version in mainline diverge less from wireless-dev.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:48:55 -07:00
Jiri Slaby e8bf96495c [MAC80211]: Remove bitfields from struct ieee80211_tx_packet_data
remove bitfields from struct ieee80211_tx_packet_data

[Johannes: completely clear flags in ieee80211_remove_tx_extra]

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:48:48 -07:00
Johannes Berg 6e0d114d52 [MAC80211]: move QoS rx handlers into rx.c
This patch moves the QoS handlers into rx.c making it possible
to compile wme.c only when NET_SCHED is defined.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-10-10 16:47:30 -07:00
Johannes Berg 136e83d6b8 [PATCH] net/mac80211/wme.c: fix sparse warning
wme.c triggers a sparse warning; it wasn't noticed before because until
recently ARRAY_SIZE triggered a sparse error.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-25 22:55:44 -07:00
Jiri Benc f0706e828e [MAC80211]: Add mac80211 wireless stack.
Add mac80211, the IEEE 802.11 software MAC layer.

Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-05-05 11:45:53 -07:00