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2012-08-06Bluetooth: Use devm_kzalloc in dtl1_cs.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in btwilink.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in btusb.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in btuart_cs.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in btsdio.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in btmrvl_sdio.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in bt3c_cs.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in bpa10x.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in bluecard_cs.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in bfusb.c fileSachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use devm_kzalloc in bcm203x.c file.Sachin Kamat
devm_kzalloc() eliminates the need to free memory explicitly thereby saving some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/sco via bt_procfs_init()Masatake YAMATO
Added /proc/net/sco via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/rfcomm via bt_procfs_init()Masatake YAMATO
Added /proc/net/rfcomm via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/l2cap via bt_procfs_init()Masatake YAMATO
Added /proc/net/l2cap via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/hidp via bt_procfs_init()Masatake YAMATO
Added /proc/net/hidp via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/hci via bt_procfs_init()Masatake YAMATO
Added /proc/net/hci via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/cmtp via bt_procfs_init()Masatake YAMATO
Added /proc/net/cmtp via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Added /proc/net/bnep via bt_procfs_init()Masatake YAMATO
Added /proc/net/bnep via bt_procfs_init(). Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: /proc/net/ entries for bluetooth protocolsMasatake YAMATO
lsof command can tell the type of socket processes are using. Internal lsof uses inode numbers on socket fs to resolve the type of sockets. Files under /proc/net/, such as tcp, udp, unix, etc provides such inode information. Unfortunately bluetooth related protocols don't provide such inode information. This patch series introduces /proc/net files for the protocols. This patch against af_bluetooth.c provides facility to the implementation of protocols. This patch extends bt_sock_list and introduces two exported function bt_procfs_init, bt_procfs_cleanup. The type bt_sock_list is already used in some of implementation of protocols. bt_procfs_init prepare seq_operations which converts protocol own bt_sock_list data to protocol own proc entry when the entry is accessed. What I, lsof user, need is just inode number of bluetooth socket. However, people may want more information. The bt_procfs_init takes a function pointer for customizing the show handler of seq_operations. In v4 patch, __acquires and __releases attributes are added to suppress sparse warning. Suggested by Andrei Emeltchenko. In v5 patch, linux/proc_fs.h is included to use PDE. Build error is reported by Fengguang Wu. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Free the l2cap channel list only when refcount is zeroJaganath Kanakkassery
Move the l2cap channel list chan->global_l under the refcnt protection and free it based on the refcnt. Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com> Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Reviewed-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Move l2cap_chan_hold/put to l2cap_core.cJaganath Kanakkassery
Refactor the code in order to use the l2cap_chan_destroy() from l2cap_chan_put() under the refcnt protection. Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com> Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Reviewed-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Remove locking in hci_user_passkey_request_evtAndre Guedes
This patch removes hdev locking in hci_user_passkey_request_evt since it is not needed. mgmt_user_passkey_request simply calls mgmt_event which does not require hdev locking at all. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Make connect / disconnect cfm functions return voidAndrei Emeltchenko
Return values are never used because callers hci_proto_connect_cfm and hci_proto_disconn_cfm return void. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_no_flush_capable where applicableAndre Guedes
This patch replaces all LMP_NO_FLUSH bit checking by the helper macro lmp_no_flush_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_sniffsubr_capable where applicableAndre Guedes
This patch replaces all LMP_SNIFF_SUBR bit checking by the helper macro lmp_sniffsubr_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_sniff_capable where applicableAndre Guedes
This patch replaces all LMP_SNIFF bit checking by the helper macro lmp_sniff_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_rswitch_capable where applicableAndre Guedes
This patch replaces all LMP_RSWITCH bit checking by the helper macro lmp_rswitch_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_esco_capable where applicableAndre Guedes
This patch replaces all LMP_ESCO bit checking by the helper macro lmp_esco_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_ssp_capable where applicableAndre Guedes
This patch replaces all LMP_SIMPLE_PAIR bit checking by the helper macro lmp_ssp_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_le_capable where applicableAndre Guedes
This patch replaces all LMP_LE bit checking by the helper macro lmp_le_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Use lmp_bredr_capable where applicableAndre Guedes
This patch replaces all LMP_NO_BREDR bit checking by the helper macro lmp_bredr_capable. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Fix processing A2MP chan in security_cfmAndrei Emeltchenko
Do not process A2MP channel in l2cap_security_cfm Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Do not shadow hdr variableAndrei Emeltchenko
Fix compile warnings below: ... net/bluetooth/a2mp.c:505:33: warning: symbol 'hdr' shadows an earlier one net/bluetooth/a2mp.c:498:25: originally declared here ... Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Define AMP controller statusesAndrei Emeltchenko
AMP status codes copied from Bluez patch sent by Peter Krystad <pkrystad@codeaurora.org>. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: trivial: Fix mixing spaces and tabs in smpAndrei Emeltchenko
Change spaces to tabs in smp code Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: debug: Fix printing refcnt for hci_connAndrei Emeltchenko
Use the same style for refcnt printing through all Bluetooth code taking the reference the l2cap_chan refcnt printing. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: debug: Fix printing A2MP cmd code formatAndrei Emeltchenko
Print A2MP code format according to Bluetooth style. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: mgmt: Managing only BR/EDR HCI controllersAndrei Emeltchenko
Add check that HCI controller is BR/EDR. AMP controller shall not be managed by mgmt interface and consequently user space. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-06Bluetooth: Remove missing codeAndre Guedes
This patch removes the struct adv_entry since it is not used anymore. This struct should have been removed in commit 479453d (Bluetooth: Remove advertising cache). Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-08-03mac80211: skb leak in mesh_plink_frame_tx()Thomas Pedersen
Although adding an IE is almost guaranteed to succeed since we already accounted for its length while allocating the skb, we should still free the skb in case of failure. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: don't request ack for peering closeThomas Pedersen
It doesn't make a lot of sense to wait for an ack in response to a peering close frame since either peer in this exchange could be going down. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: remove ieee80211_clean_sdata()Thomas Pedersen
This function was only used by mesh, and not really needed since any interface-specific cleanup already happens in the netdev handlers. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-03mac80211: improve cleanup when leaving meshThomas Pedersen
It is not necessary to stop the mesh beacon in the mac80211 ndo_stop handler, since cfg80211 has already left the mesh on NETDEV_GOING_DOWN notification. Also some improvements to ieee80211_stop_mesh(): - flush mpath entries. - flush sta entries per-sdata so we don't remove entries belonging to other vifs on the same hw. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-01mac80211: reset station MLME flags upon new associationJohannes Berg
When associating anew, the old station MLME flags should be cleared. The only exception is the 40 MHz disable flag as it might have been set while the channel was set in a previous authentication attempt so it needs to be kept intact. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31ipv4: Properly purge netdev references on uncached routes.David S. Miller
When a device is unregistered, we have to purge all of the references to it that may exist in the entire system. If a route is uncached, we currently have no way of accomplishing this. So create a global list that is scanned when a network device goes down. This mirrors the logic in net/core/dst.c's dst_ifdown(). Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-31ipv4: Cache routes in nexthop exception entries.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-31ipv4: percpu nh_rth_output cacheEric Dumazet
Input path is mostly run under RCU and doesnt touch dst refcnt But output path on forwarding or UDP workloads hits badly dst refcount, and we have lot of false sharing, for example in ipv4_mtu() when reading rt->rt_pmtu Using a percpu cache for nh_rth_output gives a nice performance increase at a small cost. 24 udpflood test on my 24 cpu machine (dummy0 output device) (each process sends 1.000.000 udp frames, 24 processes are started) before : 5.24 s after : 2.06 s For reference, time on linux-3.5 : 6.60 s Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-31ipv4: Restore old dst_free() behavior.Eric Dumazet
commit 404e0a8b6a55 (net: ipv4: fix RCU races on dst refcounts) tried to solve a race but added a problem at device/fib dismantle time : We really want to call dst_free() as soon as possible, even if sockets still have dst in their cache. dst_release() calls in free_fib_info_rcu() are not welcomed. Root of the problem was that now we also cache output routes (in nh_rth_output), we must use call_rcu() instead of call_rcu_bh() in rt_free(), because output route lookups are done in process context. Based on feedback and initial patch from David Miller (adding another call_rcu_bh() call in fib, but it appears it was not the right fix) I left the inet_sk_rx_dst_set() helper and added __rcu attributes to nh_rth_output and nh_rth_input to better document what is going on in this code. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-31mac80211: use eth_broadcast_addrJohannes Berg
Instead of memset(). Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-31mac80211: enable WDS carrier only after adding stationJohannes Berg
Enable the carrier on WDS type interfaces only after having added the station entry for the WDS peer so outgoing frames will find it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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