Commit Graph

108 Commits

Author SHA1 Message Date
dingtianhong 36325f3a9f ipw2x00: slight optimization of addr compare
Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-26 13:31:35 -05:00
John W. Linville 4b074b0762 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-12-02 14:25:38 -05:00
Luis R. Rodriguez 8fe02e167e cfg80211: consolidate passive-scan and no-ibss flags
These two flags are used for the same purpose, just
combine them into a no-ir flag to annotate no initiating
radiation is allowed.

Old userspace sending either flag will have it treated as
the no-ir flag. To be considerate to older userspace we
also send both the no-ir flag and the old no-ibss flags.
Newer userspace will have to be aware of older kernels.

Update all places in the tree using these flags with the
following semantic patch:

@@
@@
-NL80211_RRF_PASSIVE_SCAN
+NL80211_RRF_NO_IR
@@
@@
-NL80211_RRF_NO_IBSS
+NL80211_RRF_NO_IR
@@
@@
-IEEE80211_CHAN_PASSIVE_SCAN
+IEEE80211_CHAN_NO_IR
@@
@@
-IEEE80211_CHAN_NO_IBSS
+IEEE80211_CHAN_NO_IR
@@
@@
-NL80211_RRF_NO_IR | NL80211_RRF_NO_IR
+NL80211_RRF_NO_IR
@@
@@
-IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_IR
+IEEE80211_CHAN_NO_IR
@@
@@
-(NL80211_RRF_NO_IR)
+NL80211_RRF_NO_IR
@@
@@
-(IEEE80211_CHAN_NO_IR)
+IEEE80211_CHAN_NO_IR

Along with some hand-optimisations in documentation, to
remove duplicates and to fix some indentation.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
[do all the driver updates in one go]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-11-25 20:49:35 +01:00
David S. Miller 7009deab19 Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
Conflicts:
	drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
	drivers/net/wireless/rtlwifi/rtl8188ee/phy.h
	drivers/net/wireless/rtlwifi/rtl8192ce/phy.h
	drivers/net/wireless/rtlwifi/rtl8192de/phy.h
	drivers/net/wireless/rtlwifi/rtl8723ae/phy.h

Just some minor conflicts between the wireless-next changes
and Joe Perches's "extern" removal from function prototypes
in header files.

John W. Linville says:

====================
Regarding the Bluetooth bits, Gustavo says:

"The big work here is from Marcel and Johan. They did a lot of work
in the L2CAP, HCI and MGMT layers. The most important ones are the
addition of a new MGMT command to enable/disable LE advertisement
and the introduction of the HCI user channel to allow applications
to get directly and exclusive access to Bluetooth devices."

As to the ath10k bits, Kalle says:

"Bartosz dropped support for qca98xx hw1.0 hardware from ath10k, it's
just too much to support it. Michal added support for the new firmware
interface. Marek fixed WEP in AP and IBSS mode. Rest of the changes are
minor fixes or cleanups."

And also:

"Major changes are:

* throughput improvements including aligning the RX frames correctly and
  optimising HTT layer (Michal)

* remove qca98xx hw1.0 support (Bartosz)

* add support for firmware version 999.999.0.636 (Michal)

* firmware htt statistics support (Kalle)

* fix WEP in AP and IBSS mode (Marek)

* fix a mutex unlock balance in debugfs file (Shafi)

And of course there's a lot of smaller fixes and cleanup."

For the wl12xx bits, Luca says:

"Here are some patches intended for 3.13.  Eliad is upstreaming a bunch
of patches that have been pending in the internal tree.  Mostly bugfixes
and other small improvements."

Along with that...

Arend and friends bring us a batch of brcmfmac updates, Larry Finger
offers some rtlwifi refactoring, and Sujith sends the usual batch of
ath9k updates.  As usual, there are a number of other small updates
from a variety of players as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-07 15:40:44 -04:00
Joe Perches d458cdf712 net:drivers/net: Miscellaneous conversions to ETH_ALEN
Convert the memset/memcpy uses of 6 to ETH_ALEN
where appropriate.

Also convert some struct definitions and u8 array
declarations of [6] to ETH_ALEN.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-02 17:04:45 -04:00
Jingoo Han 0acfd4b06e wireless: ipw2x00: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:44 -04:00
Linus Torvalds 496322bc91 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "This is a re-do of the net-next pull request for the current merge
  window.  The only difference from the one I made the other day is that
  this has Eliezer's interface renames and the timeout handling changes
  made based upon your feedback, as well as a few bug fixes that have
  trickeled in.

  Highlights:

   1) Low latency device polling, eliminating the cost of interrupt
      handling and context switches.  Allows direct polling of a network
      device from socket operations, such as recvmsg() and poll().

      Currently ixgbe, mlx4, and bnx2x support this feature.

      Full high level description, performance numbers, and design in
      commit 0a4db187a9 ("Merge branch 'll_poll'")

      From Eliezer Tamir.

   2) With the routing cache removed, ip_check_mc_rcu() gets exercised
      more than ever before in the case where we have lots of multicast
      addresses.  Use a hash table instead of a simple linked list, from
      Eric Dumazet.

   3) Add driver for Atheros CQA98xx 802.11ac wireless devices, from
      Bartosz Markowski, Janusz Dziedzic, Kalle Valo, Marek Kwaczynski,
      Marek Puzyniak, Michal Kazior, and Sujith Manoharan.

   4) Support reporting the TUN device persist flag to userspace, from
      Pavel Emelyanov.

   5) Allow controlling network device VF link state using netlink, from
      Rony Efraim.

   6) Support GRE tunneling in openvswitch, from Pravin B Shelar.

   7) Adjust SOCK_MIN_RCVBUF and SOCK_MIN_SNDBUF for modern times, from
      Daniel Borkmann and Eric Dumazet.

   8) Allow controlling of TCP quickack behavior on a per-route basis,
      from Cong Wang.

   9) Several bug fixes and improvements to vxlan from Stephen
      Hemminger, Pravin B Shelar, and Mike Rapoport.  In particular,
      support receiving on multiple UDP ports.

  10) Major cleanups, particular in the area of debugging and cookie
      lifetime handline, to the SCTP protocol code.  From Daniel
      Borkmann.

  11) Allow packets to cross network namespaces when traversing tunnel
      devices.  From Nicolas Dichtel.

  12) Allow monitoring netlink traffic via AF_PACKET sockets, in a
      manner akin to how we monitor real network traffic via ptype_all.
      From Daniel Borkmann.

  13) Several bug fixes and improvements for the new alx device driver,
      from Johannes Berg.

  14) Fix scalability issues in the netem packet scheduler's time queue,
      by using an rbtree.  From Eric Dumazet.

  15) Several bug fixes in TCP loss recovery handling, from Yuchung
      Cheng.

  16) Add support for GSO segmentation of MPLS packets, from Simon
      Horman.

  17) Make network notifiers have a real data type for the opaque
      pointer that's passed into them.  Use this to properly handle
      network device flag changes in arp_netdev_event().  From Jiri
      Pirko and Timo Teräs.

  18) Convert several drivers over to module_pci_driver(), from Peter
      Huewe.

  19) tcp_fixup_rcvbuf() can loop 500 times over loopback, just use a
      O(1) calculation instead.  From Eric Dumazet.

  20) Support setting of explicit tunnel peer addresses in ipv6, just
      like ipv4.  From Nicolas Dichtel.

  21) Protect x86 BPF JIT against spraying attacks, from Eric Dumazet.

  22) Prevent a single high rate flow from overruning an individual cpu
      during RX packet processing via selective flow shedding.  From
      Willem de Bruijn.

  23) Don't use spinlocks in TCP md5 signing fast paths, from Eric
      Dumazet.

  24) Don't just drop GSO packets which are above the TBF scheduler's
      burst limit, chop them up so they are in-bounds instead.  Also
      from Eric Dumazet.

  25) VLAN offloads are missed when configured on top of a bridge, fix
      from Vlad Yasevich.

  26) Support IPV6 in ping sockets.  From Lorenzo Colitti.

  27) Receive flow steering targets should be updated at poll() time
      too, from David Majnemer.

  28) Fix several corner case regressions in PMTU/redirect handling due
      to the routing cache removal, from Timo Teräs.

  29) We have to be mindful of ipv4 mapped ipv6 sockets in
      upd_v6_push_pending_frames().  From Hannes Frederic Sowa.

  30) Fix L2TP sequence number handling bugs, from James Chapman."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1214 commits)
  drivers/net: caif: fix wrong rtnl_is_locked() usage
  drivers/net: enic: release rtnl_lock on error-path
  vhost-net: fix use-after-free in vhost_net_flush
  net: mv643xx_eth: do not use port number as platform device id
  net: sctp: confirm route during forward progress
  virtio_net: fix race in RX VQ processing
  virtio: support unlocked queue poll
  net/cadence/macb: fix bug/typo in extracting gem_irq_read_clear bit
  Documentation: Fix references to defunct linux-net@vger.kernel.org
  net/fs: change busy poll time accounting
  net: rename low latency sockets functions to busy poll
  bridge: fix some kernel warning in multicast timer
  sfc: Fix memory leak when discarding scattered packets
  sit: fix tunnel update via netlink
  dt:net:stmmac: Add dt specific phy reset callback support.
  dt:net:stmmac: Add support to dwmac version 3.610 and 3.710
  dt:net:stmmac: Allocate platform data only if its NULL.
  net:stmmac: fix memleak in the open method
  ipv6: rt6_check_neigh should successfully verify neigh if no NUD information are available
  net: ipv6: fix wrong ping_v6_sendmsg return value
  ...
2013-07-09 18:24:39 -07:00
Dave Jones 5cb0656b62 ipw2200: convert __list_for_each usage to list_for_each
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:07:43 -07:00
Wei Yongjun 5d9e3bc21c ipw2200: fix error return code in ipw_load()
Fix to return -ENOMEM in the ipw_rx_queue_alloc() error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-24 14:44:23 -04:00
Linus Torvalds a0b1c42951 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking update from David Miller:

 1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
    timestamp offset.  From Andrey Vagin.

 2) VMWARE VM VSOCK layer, from Andy King.

 3) Much improved support for virtual functions and SR-IOV in bnx2x,
    from Ariel ELior.

 4) All protocols on ipv4 and ipv6 are now network namespace aware, and
    all the compatability checks for initial-namespace-only protocols is
    removed.  Thanks to Tom Parkin for helping deal with the last major
    holdout, L2TP.

 5) IPV6 support in netpoll and network namespace support in pktgen,
    from Cong Wang.

 6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
    Protocol (MVRP) support, from David Ward.

 7) Compute packet lengths more accurately in the packet scheduler, from
    Eric Dumazet.

 8) Use per-task page fragment allocator in skb_append_datato_frags(),
    also from Eric Dumazet.

 9) Add support for connection tracking labels in netfilter, from
    Florian Westphal.

10) Fix default multicast group joining on ipv6, and add anti-spoofing
    checks to 6to4 and 6rd.  From Hannes Frederic Sowa.

11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
    times, rearrange inet frag datastructures for better cacheline
    locality, and move more operations outside of locking.  From Jesper
    Dangaard Brouer.

12) Instead of strict master <--> slave relationships, allow arbitrary
    scenerios with "upper device lists".  From Jiri Pirko.

13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
    Pirko.

14) Add a BPF filter netfilter match target, from Willem de Bruijn.

15) Orphan and delete a bunch of pre-historic networking drivers from
    Paul Gortmaker.

16) Add TSO support for GRE tunnels, from Pravin B SHelar.  Although
    this still needs some minor bug fixing before it's %100 correct in
    all cases.

17) Handle unresolved IPSEC states like ARP, with a resolution packet
    queue.  From Steffen Klassert.

18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
    Hemminger.  This was long overdue.

19) Support SO_REUSEPORT, from Tom Herbert.

20) Allow locking a socket BPF filter, so that it cannot change after a
    process drops capabilities.

21) Add VLAN filtering to bridge, from Vlad Yasevich.

22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
    the ipv6 routes, from YOSHIFUJI Hideaki.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
  ipv6: fix race condition regarding dst->expires and dst->from.
  net: fix a wrong assignment in skb_split()
  ip_gre: remove an extra dst_release()
  ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
  atl1c: restore buffer state
  net: fix a build failure when !CONFIG_PROC_FS
  net: ipv4: fix waring -Wunused-variable
  net: proc: fix build failed when procfs is not configured
  Revert "xen: netback: remove redundant xenvif_put"
  net: move procfs code to net/core/net-procfs.c
  qmi_wwan, cdc-ether: add ADU960S
  bonding: set sysfs device_type to 'bond'
  bonding: fix bond_release_all inconsistencies
  b44: use netdev_alloc_skb_ip_align()
  xen: netback: remove redundant xenvif_put
  net: fec: Do a sanity check on the gpio number
  ip_gre: propogate target device GSO capability to the tunnel device
  ip_gre: allow CSUM capable devices to handle packets
  bonding: Fix initialize after use for 3ad machine state spinlock
  bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
  ...
2013-02-20 18:58:50 -08:00
Tejun Heo 7c99e0bf86 ipw2x00: simplify scan_event handling
* Drop unnesssary delayd_work_pending() tests.

* Unify scan_event_{now|later} by using mod_delayed_work() w/ 0 delay
  for scan_event_now.

* Make ipw2200 scan_event handling match ipw2100 - use
  mod_delayed_work() w/ 0 delay for immediate scanning.

Only compile tested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: linux-wireless@vger.kernel.org
2013-02-09 11:30:48 -08:00
Jiri Pirko aaeb6cdfa5 remove init of dev->perm_addr in drivers
perm_addr is initialized correctly in register_netdevice() so to init it in
drivers is no longer needed.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-08 18:00:48 -08:00
Bill Pemberton eb9248eee6 ipw2x00: remove __dev* attributes
CONFIG_HOTPLUG is going away as an option.  As result the __dev*
markings will be going away.

Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-12-06 15:04:57 -05:00
Wei Yongjun 8df0f1e5cb ipw2200: return error code on error in ipw_wx_get_auth()
We have assinged error code to 'ret' when get auth from some
option is not supported but never used it, but we'd better return
the error code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-12-06 14:58:55 -05:00
Stanislav Yakovlev 067293876e net/wireless: ipw2200: introduce ipw_set_geo function
Move regulatory domain initialization code to a separate function.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-21 14:16:02 -05:00
Stanislav Yakovlev 9c033bed93 net/wireless: ipw2x00: remove unreachable code
Remove unnecessary if statements because libipw_set_geo always
returns success.  Also change function's return value from int
to void.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-16 14:29:06 -05:00
Stanislav Yakovlev bf11315eed net/wireless: ipw2200: Fix panic occurring in ipw_handle_promiscuous_tx()
The driver does not count space of radiotap fields when allocating skb for
radiotap packet. This leads to kernel panic with the following call trace:

...
[67607.676067] [<c152f90f>] error_code+0x67/0x6c
[67607.676067] [<c142f831>] ? skb_put+0x91/0xa0
[67607.676067] [<f8cf5e5b>] ? ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200]
[67607.676067] [<f8cf5e5b>] ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200]
[67607.676067] [<f8cf899b>] ipw_net_hard_start_xmit+0x8b/0x90 [ipw2200]
[67607.676067] [<f8741c5a>] libipw_xmit+0x55a/0x980 [libipw]
[67607.676067] [<c143d3e8>] dev_hard_start_xmit+0x218/0x4d0
...

This bug was found by VittGam.
https://bugzilla.kernel.org/show_bug.cgi?id=43255

Cc: stable@kernel.org
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:45:52 -04:00
Wei Yongjun 7949d20c13 ipw2200: use is_zero_ether_addr() and is_broadcast_ether_addr()
Using is_zero_ether_addr() and is_broadcast_ether_addr() instead of
directly use memcmp() to determine if the ethernet address is all zeros.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-07 15:03:37 -04:00
John W. Linville 0440507bbc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-06-12 14:25:04 -04:00
Joe Perches 2c208890c6 wireless: Remove casts to same type
Adding casts of objects to the same type is unnecessary
and confusing for a human reader.

For example, this cast:

        int y;
        int *p = (int *)&y;

I used the coccinelle script below to find and remove these
unnecessary casts.  I manually removed the conversions this
script produces of casts with __force, __iomem and __user.

@@
type T;
T *p;
@@

-       (T *)p
+       p

Neatened the mwifiex_deauthenticate_infra function which
was doing odd things with array pointers and not using
is_zero_ether_addr.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:31:33 -07:00
Stanislav Yakovlev fdbfff7340 net/wireless: ipw2200: introduce ipw_read_eeprom function
We separate reading of device's eeprom content from writing it back
to the device's sram.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05 17:15:49 -04:00
Ben Hutchings b4050790d0 ipw2200: Fix order of device registration
Currently cfg80211 fails to create a "phy80211" symlink in sysfs from
the net device to the wiphy device.  The latter needs to be registered
first.

Compile-tested only.

Reported-by: Cesare Leonardi <celeonar@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-05-08 21:53:47 -04:00
Stanislav Yakovlev 7ed85b65ab net/wireless: ipw2200: Fix WARN_ON occurring in wiphy_register called by ipw_pci_probe
The problem was found by Stefan Lippers-Hollmann
http://marc.info/?l=linux-wireless&m=132720334512946&w=2

WARNING: at /tmp/buildd/linux-aptosid-3.2/debian/build/source_i386_none/net/wireless/core.c:562 wiphy_register+0x45/0x38d [cfg80211]()
Hardware name: TravelMate 290 \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff
Modules linked in: ipw2200(+) iTCO_wdt libipw joydev drm snd_seq snd_timer snd_seq_device iTCO_vendor_support yenta_socket snd intel_agp i2c_i801 pcmcia_rsrc cfg80211 soundcore parport_pc psmouse parport rng_core snd_page_alloc serio_raw pcspkr i2c_algo_bit intel_gtt pcmcia_core evdev irda crc_ccitt rfkill lib80211 processor container ac battery shpchp pci_hotplug button ext4 mbcache jbd2 crc16 dm_mod sd_mod sr_mod crc_t10dif cdrom ata_generic pata_acpi ata_piix libata scsi_mod firewire_ohci firewire_core crc_itu_t 8139too 8139cp mii uhci_hcd ehci_hcd usbcore usb_common [last unloaded: scsi_wait_scan]
Pid: 328, comm: modprobe Not tainted 3.2-1.slh.4-aptosid-686 #1
Call Trace:
[<c012eaf4>] ? warn_slowpath_common+0x7c/0x8f
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<c012eb22>] ? warn_slowpath_null+0x1b/0x1f
[<e0ff0b3e>] ? wiphy_register+0x45/0x38d [cfg80211]
[<c01f89d7>] ? internal_create_group+0xf5/0xff
[<e0a2de1c>] ? ipw_pci_probe+0xa9a/0xbd0 [ipw2200]
[<c01519f4>] ? arch_local_irq_save+0xf/0x14
[<c0252986>] ? pci_device_probe+0x53/0x9a
[<c02c2820>] ? driver_probe_device+0x94/0x124
[<c0252871>] ? pci_match_id+0x15/0x34
[<c02c28f0>] ? __driver_attach+0x40/0x5b
[<c02c1d81>] ? bus_for_each_dev+0x37/0x60
[<c02c25aa>] ? driver_attach+0x17/0x1a
[<c02c28b0>] ? driver_probe_device+0x124/0x124
[<c02c22c4>] ? bus_add_driver+0x92/0x1d1
[<e099d000>] ? 0xe099cfff
[<c02c2cb8>] ? driver_register+0x7d/0xd4
[<c017cd50>] ? jump_label_module_notify+0xec/0x167
[<e099d000>] ? 0xe099cfff
[<c0253017>] ? __pci_register_driver+0x32/0x87
[<e099d000>] ? 0xe099cfff
[<e099d02e>] ? ipw_init+0x2e/0x72 [ipw2200]
[<c0101173>] ? do_one_initcall+0x7d/0x132
[<c0145016>] ? __blocking_notifier_call_chain+0x47/0x4f
[<c0154a73>] ? sys_init_module+0x13a4/0x159c
[<c03a639f>] ? sysenter_do_call+0x12/0x28

This warning appears only if we apply Ben Hutchings' fix
http://marc.info/?l=linux-wireless&m=132720195012653&w=2
for the bug reported by Cesare Leonardi
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=656813
with cfg80211 warning during device registration
("cfg80211: failed to add phy80211 symlink to netdev!").

We separate device bring up and registration with network stack
to avoid the problem.

After that Ben Hutchings' fix can be applied to fix the bug.

Cc: stable@kernel.org
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-05-08 21:53:44 -04:00
David S. Miller 0d6c4a2e46 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/intel/e1000e/param.c
	drivers/net/wireless/iwlwifi/iwl-agn-rx.c
	drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
	drivers/net/wireless/iwlwifi/iwl-trans.h

Resolved the iwlwifi conflict with mainline using 3-way diff posted
by John Linville and Stephen Rothwell.  In 'net' we added a bug
fix to make iwlwifi report a more accurate skb->truesize but this
conflicted with RX path changes that happened meanwhile in net-next.

In e1000e a conflict arose in the validation code for settings of
adapter->itr.  'net-next' had more sophisticated logic so that
logic was used.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-07 23:35:40 -04:00
Stanislav Yakovlev dd44731989 ipw2200: Fix race condition in the command completion acknowledge
Driver incorrectly validates command completion: instead of waiting
for a command to be acknowledged it continues execution.  Most of the
time driver gets acknowledge of the command completion in a tasklet
before it executes the next one. But sometimes it sends the next
command before it gets acknowledge for the previous one. In such a
case one of the following error messages appear in the log:

Failed to send SYSTEM_CONFIG: Already sending a command.
Failed to send ASSOCIATE: Already sending a command.
Failed to send TX_POWER: Already sending a command.

After that you need to reload the driver to get it working again.

This bug occurs during roaming (reported by Sam Varshavchik)
https://bugzilla.redhat.com/show_bug.cgi?id=738508
and machine booting (reported by Tom Gundersen and Mads Kiilerich)
https://bugs.archlinux.org/task/28097
https://bugzilla.redhat.com/show_bug.cgi?id=802106

This patch doesn't fix the delay issue during firmware load.
But at least device now works as usual after boot.

Cc: stable@kernel.org
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 14:57:49 -04:00
John W. Linville 59ef43e681 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/iwlwifi/iwl-testmode.c
	include/net/nfc/nfc.h
	net/nfc/netlink.c
	net/wireless/nl80211.c
2012-04-18 14:27:48 -04:00
Masanari Iida fd9071ec61 net: Fix spelling typo in net
Correct spelling typo within drivers/net.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-14 15:29:02 -04:00
Stanislav Yakovlev a141e6a009 net/wireless: ipw2x00: add supported cipher suites to wiphy initialization
Driver doesn't report its supported cipher suites through cfg80211
interface. It still uses wext interface and probably will not work
through nl80211, but will at least correctly advertise supported
features.

Bug was reported by Omar Siam.
https://bugzilla.kernel.org/show_bug.cgi?id=43049

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-12 15:10:48 -04:00
Jesper Juhl d144f536e3 ipw2200: remove a redundant NULL check before calling release_firmware()
The release_firmware() function does its own NULL test, so testing
before calling it is rather redundant.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-12 15:06:07 -04:00
Francois Romieu a3442794c5 ipw2200: stop using net_device.{base_addr, irq}.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
2012-04-07 11:58:38 +02:00
Stanislav Yakovlev 75836b8dae net/wireless: ipw2x00: fix a typo in wiphy struct initilization
Fix comment as well.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-28 14:25:34 -04:00
Dan Carpenter 92c1ff1fa7 ipw2x00: signedness bug handling frame length
This is basically just a cleanup.  Large positive numbers get counted as
negative but then get implicitly cast to positive again for the checks
that matter.

This does make a small difference in ipw_handle_promiscuous_rx() when we
test "if (unlikely((len + IPW_RX_FRAME_SIZE) > skb_tailroom(rxb->skb)))"
It should return there, but we don't return until a couple lines later
when we test "if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) {".
The difference is that in the second test the sizeof() means that there
is an implied cast to unsigned.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-13 14:40:56 -05:00
Rick Jones 1f80c230a7 wireless: use strlcpy routine in .get_drvinfo
Convert various seemingly still compiled wireless drivers' .get_drvinfo
routines to use the preferred strlcpy() routine.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-17 15:44:50 -05:00
Johannes Berg 776d68f863 wireless: move ieee80211chan2mhz macro
The macro is only used in ipw2200 and we certainly
don't want to encourage its use, so move it out of
the radiotap header file and into the driver.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-11-11 12:32:50 -05:00
David S. Miller 8decf86879 Merge branch 'master' of github.com:davem330/net
Conflicts:
	MAINTAINERS
	drivers/net/Kconfig
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
	drivers/net/ethernet/broadcom/tg3.c
	drivers/net/wireless/iwlwifi/iwl-pci.c
	drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
	drivers/net/wireless/rt2x00/rt2800usb.c
	drivers/net/wireless/wl12xx/main.c
2011-09-22 03:23:13 -04:00
Stanislaw Gruszka 7cabafcea7 ipw2x00: fix rtnl mutex deadlock
This fix regression introduced by:

commit: ecb4433550
Author: Stanislaw Gruszka <sgruszka@redhat.com>
Date:   Fri Aug 12 14:00:59 2011 +0200

    mac80211: fix suspend/resume races with unregister hw

Above commit add rtnl_lock() into wiphy_register(), what cause deadlock
when initializing ipw2x00 driver, which itself call wiphy_register()
from register_netdev() internal callback with rtnl mutex taken.

To fix move wiphy_register() outside register_netdev(). This solution
have side effect of not creating /sys/class/net/wlanX/phy80211 link,
but that's a minor issue we can live with.

Bisected-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Bisected-by: Michael Witten <mfwitten@gmail.com>
Tested-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Tested-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-16 15:32:09 -04:00
John W. Linville b38d355eaa Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
	drivers/staging/ath6kl/os/linux/ar6000_drv.c
2011-08-22 14:28:50 -04:00
Jiri Pirko afc4b13df1 net: remove use of ndo_set_multicast_list in drivers
replace it by ndo_set_rx_mode

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-17 20:22:03 -07:00
Johannes Berg 262eb9b223 cfg80211: split wext compatibility to separate header
A lot of drivers erroneously use wext constants
and don't notice since cfg80211.h includes them.
Make this more split up so drivers needing wext
compatibility from cfg80211 need to explicitly
include that from cfg80211-wext.h.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-08 14:24:59 -04:00
Justin P. Mattock 70f23fd66b treewide: fix a few typos in comments
- kenrel -> kernel
- whetehr -> whether
- ttt -> tt
- sss -> ss

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-05-10 10:16:21 +02:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Tejun Heo bcb6d9161d wireless/ipw2x00: use system_wq instead of dedicated workqueues
With cmwq, there's no reason to use separate workqueues in ipw2x00
drivers.  Drop them and use system_wq instead.  All used work items
are sync canceled on driver detach.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
2011-01-26 12:12:50 +01:00
Indan Zupancic 3c4a8cc46e ipw2200: Check for -1 INTA in tasklet too.
This is an attempt to fix a long standing open bug:
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1334

The interrupt handler checks for INTA being -1, apparently that means that the
hardware is gone. But the interrupt handler defers actual interrupt processing
to a tasklet. By the time the tasklet is run and checks INTA again, the
hardware might be gone and INTA be -1, which confuses the driver because all
event bits are set.

The patch applies to 2.6.37.

Signed-off-by: Indan Zupancic <indan@nul.nu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-10 15:40:53 -05:00
John W. Linville e9a68707d7 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts:
	Documentation/feature-removal-schedule.txt
	drivers/net/wireless/ipw2x00/ipw2200.c
2010-10-08 15:39:28 -04:00
Dan Carpenter 2ee4e27cf2 ipw2200: check for allocation failures
If kzalloc() fails then return should return with -ENOMEM.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-05 13:35:29 -04:00
Joe Perches baeb2ffab4 drivers/net: Convert unbounded kzalloc calls to kcalloc
These changes may be slightly safer in some instances.

There are other kzalloc calls with a multiply, but those
calls are typically "small fixed #" * sizeof(some pointer)"
and those are not converted.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17 17:45:14 -07:00
ubuntu@tjworld.net c086abae5b ipw2200: Enable LED by default
BugLink: http://bugs.launchpad.net/bugs/21367

Enable LED by default and update the MODULE_PARM_DESC.  The original
reason for defaulting to disabled was documented in 2005 and noted, "The
LED code has been reported to hang some systems when running ifconfig
and is therefore disabled by default."  This no longer appears
applicable and users have been requesting this be enabled for several
years.

Signed-off-by: TJ <ubuntu@tjworld.net>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-16 14:58:57 -04:00
Julia Lawall d3e5033d5f drivers/net/wireless/ipw2x00: Use kmemdup
Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-02 16:13:12 -04:00
Joe Perches a4b770972b drivers/net: Remove unnecessary returns from void function()s
This patch removes from drivers/net/ all the unnecessary
return; statements that precede the last closing brace of
void functions.

It does not remove the returns that are immediately
preceded by a label as gcc doesn't like that.

It also does not remove null void functions with return.

Done via:
$ grep -rP --include=*.[ch] -l "return;\n}" net/ | \
  xargs perl -i -e 'local $/ ; while (<>) { s/\n[ \t\n]+return;\n}/\n}/g; print; }'

with some cleanups by hand.

Compile tested x86 allmodconfig only.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-14 00:19:28 -07:00
John W. Linville 5c01d56693 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts:
	Documentation/feature-removal-schedule.txt
	drivers/net/wireless/ath/ath5k/phy.c
	drivers/net/wireless/wl12xx/wl1271_main.c
2010-04-15 16:21:34 -04:00