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2010-12-10xfrm: Traffic Flow Confidentiality for IPv4 ESPMartin Willi
Add TFC padding to all packets smaller than the boundary configured on the xfrm state. If the boundary is larger than the PMTU, limit padding to the PMTU. Signed-off-by: Martin Willi <martin@strongswan.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10xfrm: Add Traffic Flow Confidentiality padding XFRM attributeMartin Willi
The XFRMA_TFCPAD attribute for XFRM state installation configures Traffic Flow Confidentiality by padding ESP packets to a specified length. Signed-off-by: Martin Willi <martin@strongswan.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10net/ipv6/udp.c: fix typo in flush_stack()Jiri Pirko
skb1 should be passed as parameter to sk_rcvqueues_full() here. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10ipv6: Fix 'release_it' logic in tcp_v6_get_peer()David S. Miller
We accidently set it to "true" for the case where we are using a route bound peer. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10bridge: Fix return values of br_multicast_add_group/br_multicast_new_groupTobias Klauser
If br_multicast_new_group returns NULL, we would return 0 (no error) to the caller of br_multicast_add_group, which is not what we want. Instead br_multicast_new_group should return ERR_PTR(-ENOMEM) in this case. Also propagate the error number returned by br_mdb_rehash properly. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-12-10ipv6: fix nl group when advertising a new linkNicolas Dichtel
New idev are advertised with NL group RTNLGRP_IPV6_IFADDR, but should use RTNLGRP_IPV6_IFINFO. Bug was introduced by commit 8d7a76c9. Signed-off-by: Wang Xuefu <xuefu.wang@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Thomas Graf <tgraf@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10Merge branch 'dccp' of git://eden-feed.erg.abdn.ac.uk/net-next-2.6David S. Miller
2010-12-10net: Document the kernel_recvmsg() functionMartin Lucina
Signed-off-by: Martin Lucina <mato@kotelna.sk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 Conflicts: drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
2010-12-10fix comment typos concerning "consistent"Uwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-10dccp: remove unused macrosShan Wei
Remove macros which have been unused since the initial implementation (commit 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c, [DCCP]: Initial implementation from Tue Aug 9 20:14:34 2005 -0700). Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-12-09filter: use size of fetched data in __load_pointer()Eric Dumazet
__load_pointer() checks data we fetch from skb is included in head portion, but assumes we fetch one byte, instead of up to four. This wont crash because we have extra bytes (struct skb_shared_info) after head, but this can read uninitialized bytes. Fix this using size of the data (1, 2, 4 bytes) in the test. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-09xfrm: Fix xfrm_state_migrate leakThomas Egerer
xfrm_state_migrate calls kfree instead of xfrm_state_put to free a failed state. According to git commit 553f9118 this can cause memory leaks. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-09net: optimize INET input path furtherEric Dumazet
Followup of commit b178bb3dfc30 (net: reorder struct sock fields) Optimize INET input path a bit further, by : 1) moving sk_refcnt close to sk_lock. This reduces number of dirtied cache lines by one on 64bit arches (and 64 bytes cache line size). 2) moving inet_daddr & inet_rcv_saddr at the beginning of sk (same cache line than hash / family / bound_dev_if / nulls_node) This reduces number of accessed cache lines in lookups by one, and dont increase size of inet and timewait socks. inet and tw sockets now share same place-holder for these fields. Before patch : offsetof(struct sock, sk_refcnt) = 0x10 offsetof(struct sock, sk_lock) = 0x40 offsetof(struct sock, sk_receive_queue) = 0x60 offsetof(struct inet_sock, inet_daddr) = 0x270 offsetof(struct inet_sock, inet_rcv_saddr) = 0x274 After patch : offsetof(struct sock, sk_refcnt) = 0x44 offsetof(struct sock, sk_lock) = 0x48 offsetof(struct sock, sk_receive_queue) = 0x68 offsetof(struct inet_sock, inet_daddr) = 0x0 offsetof(struct inet_sock, inet_rcv_saddr) = 0x4 compute_score() (udp or tcp) now use a single cache line per ignored item, instead of two. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-09net: Abstract away all dst_entry metrics accesses.David S. Miller
Use helper functions to hide all direct accesses, especially writes, to dst_entry metrics values. This will allow us to: 1) More easily change how the metrics are stored. 2) Implement COW for metrics. In particular this will help us put metrics into the inetpeer cache if that is what we end up doing. We can make the _metrics member a pointer instead of an array, initially have it point at the read-only metrics in the FIB, and then on the first set grab an inetpeer entry and point the _metrics member there. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
2010-12-08econet: Fix crash in aun_incoming().David S. Miller
Unconditional use of skb->dev won't work here, try to fetch the econet device via skb_dst()->dev instead. Suggested by Eric Dumazet. Reported-by: Nelson Elhage <nelhage@ksplice.com> Tested-by: Nelson Elhage <nelhage@ksplice.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/ath/ath9k/ar9003_eeprom.c net/llc/af_llc.c
2010-12-08Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 Conflicts: drivers/net/wireless/ath/ath9k/ath9k.h drivers/net/wireless/ath/ath9k/main.c drivers/net/wireless/ath/ath9k/xmit.c
2010-12-08mac80211: Show max number of probe tries in debug message.Ben Greear
Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-08mac80211: Apply ht_opmode changes in ieee80211_change_bssHelmut Schaa
Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-08cfg80211: Add new BSS attribute ht_opmodeHelmut Schaa
Add a new BSS attribute to allow hostapd to set the current HT opmode. Otherwise drivers won't be able to set up protection for HT rates in AP mode. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-08tcp: protect sysctl_tcp_cookie_size readsEric Dumazet
Make sure sysctl_tcp_cookie_size is read once in tcp_cookie_size_check(), or we might return an illegal value to caller if sysctl_tcp_cookie_size is changed by another cpu. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ben Hutchings <bhutchings@solarflare.com> Cc: William Allen Simpson <william.allen.simpson@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08tcp: avoid a possible divide by zeroEric Dumazet
sysctl_tcp_tso_win_divisor might be set to zero while one cpu runs in tcp_tso_should_defer(). Make sure we dont allow a divide by zero by reading sysctl_tcp_tso_win_divisor exactly once. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08mac80211: Fix BUG in pskb_expand_head when transmitting shared skbsHelmut Schaa
mac80211 doesn't handle shared skbs correctly at the moment. As a result a possible resize can trigger a BUG in pskb_expand_head. [ 676.030000] Kernel bug detected[#1]: [ 676.030000] Cpu 0 [ 676.030000] $ 0 : 00000000 00000000 819662ff 00000002 [ 676.030000] $ 4 : 81966200 00000020 00000000 00000020 [ 676.030000] $ 8 : 819662e0 800043c0 00000002 00020000 [ 676.030000] $12 : 3b9aca00 00000000 00000000 00470000 [ 676.030000] $16 : 80ea2000 00000000 00000000 00000000 [ 676.030000] $20 : 818aa200 80ea2018 80ea2000 00000008 [ 676.030000] $24 : 00000002 800ace5c [ 676.030000] $28 : 8199a000 8199bd20 81938f88 80f180d4 [ 676.030000] Hi : 0000026e [ 676.030000] Lo : 0000757e [ 676.030000] epc : 801245e4 pskb_expand_head+0x44/0x1d8 [ 676.030000] Not tainted [ 676.030000] ra : 80f180d4 ieee80211_skb_resize+0xb0/0x114 [mac80211] [ 676.030000] Status: 1000a403 KERNEL EXL IE [ 676.030000] Cause : 10800024 [ 676.030000] PrId : 0001964c (MIPS 24Kc) [ 676.030000] Modules linked in: mac80211_hwsim rt2800lib rt2x00soc rt2x00pci rt2x00lib mac80211 crc_itu_t crc_ccitt cfg80211 compat arc4 aes_generic deflate ecb cbc [last unloaded: rt2800pci] [ 676.030000] Process kpktgend_0 (pid: 97, threadinfo=8199a000, task=81879f48, tls=00000000) [ 676.030000] Stack : ffffffff 00000000 00000000 00000014 00000004 80ea2000 00000000 00000000 [ 676.030000] 818aa200 80f180d4 ffffffff 0000000a 81879f78 81879f48 81879f48 00000018 [ 676.030000] 81966246 80ea2000 818432e0 80f1a420 80203050 81814d98 00000001 81879f48 [ 676.030000] 81879f48 00000018 81966246 818432e0 0000001a 8199bdd4 0000001c 80f1b72c [ 676.030000] 80203020 8001292c 80ef4aa2 7f10b55d 801ab5b8 81879f48 00000188 80005c90 [ 676.030000] ... [ 676.030000] Call Trace: [ 676.030000] [<801245e4>] pskb_expand_head+0x44/0x1d8 [ 676.030000] [<80f180d4>] ieee80211_skb_resize+0xb0/0x114 [mac80211] [ 676.030000] [<80f1a420>] ieee80211_xmit+0x150/0x22c [mac80211] [ 676.030000] [<80f1b72c>] ieee80211_subif_start_xmit+0x6f4/0x73c [mac80211] [ 676.030000] [<8014361c>] pktgen_thread_worker+0xfac/0x16f8 [ 676.030000] [<8002ebe8>] kthread+0x7c/0x88 [ 676.030000] [<80008e0c>] kernel_thread_helper+0x10/0x18 [ 676.030000] [ 676.030000] [ 676.030000] Code: 24020001 10620005 2502001f <0200000d> 0804917a 00000000 2502001f 00441023 00531021 Fix this by making a local copy of shared skbs prior to mangeling them. To avoid copying the skb unnecessarily move the skb_copy call below the checks that don't need write access to the skb. Also, move the assignment of nh_pos and h_pos below the skb_copy to point to the correct skb. It would be possible to avoid another resize of the copied skb by using skb_copy_expand instead of skb_copy but that would make the patch more complex. Also, shared skbs are a corner case right now, so the resize shouldn't matter much. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-08tcp: Replace time wait bucket msg by counterTom Herbert
Rather than printing the message to the log, use a mib counter to keep track of the count of occurences of time wait bucket overflow. Reduces spam in logs. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08x25: decrement netdev reference counts on unloadApollon Oikonomopoulos
x25 does not decrement the network device reference counts on module unload. Thus unregistering any pre-existing interface after unloading the x25 module hangs and results in unregister_netdevice: waiting for tap0 to become free. Usage count = 1 This patch decrements the reference counts of all interfaces in x25_link_free, the way it is already done in x25_link_device_down for NETDEV_DOWN events. Signed-off-by: Apollon Oikonomopoulos <apollon@noc.grnet.gr> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08l2tp: Fix modalias of l2tp_ipMichal Marek
Using the SOCK_DGRAM enum results in "net-pf-2-proto-SOCK_DGRAM-type-115", so use the numeric value like it is done in net/dccp. Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08econet: Do the correct cleanup after an unprivileged SIOCSIFADDR.Nelson Elhage
We need to drop the mutex and do a dev_put, so set an error code and break like the other paths, instead of returning directly. Signed-off-by: Nelson Elhage <nelhage@ksplice.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08af_packet: fix freeing pg_vec twice on error pathChangli Gao
It is introduced in: commit 0e3125c755445664f00ad036e4fc2cd32fd52877 Author: Neil Horman <nhorman@tuxdriver.com> Date: Tue Nov 16 10:26:47 2010 -0800 packet: Enhance AF_PACKET implementation to not require high order contiguous memory allocation (v4) Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08af_packet: eliminate pgv_to_page on some archesChangli Gao
Some arches don't need flush_dcache_page(), and don't implement it, so we can eliminate pgv_to_page() calls on those arches. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08net: call dev_queue_xmit_nit() after skb_dst_drop()Eric Dumazet
Avoid some atomic ops on dst refcount, calling dev_queue_xmit_nit() after skb_dst_drop() in dev_hard_start_xmit(). When queueing a packet into af_packet socket, we drop dst anyway. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08filter: constify sk_run_filter()Eric Dumazet
sk_run_filter() doesnt write on skb, change its prototype to reflect this. Fix two af_packet comments. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08net: RCU conversion of dev_getbyhwaddr() and arp_ioctl()Eric Dumazet
Le dimanche 05 décembre 2010 à 09:19 +0100, Eric Dumazet a écrit : > Hmm.. > > If somebody can explain why RTNL is held in arp_ioctl() (and therefore > in arp_req_delete()), we might first remove RTNL use in arp_ioctl() so > that your patch can be applied. > > Right now it is not good, because RTNL wont be necessarly held when you > are going to call arp_invalidate() ? While doing this analysis, I found a refcount bug in llc, I'll send a patch for net-2.6 Meanwhile, here is the patch for net-next-2.6 Your patch then can be applied after mine. Thanks [PATCH] net: RCU conversion of dev_getbyhwaddr() and arp_ioctl() dev_getbyhwaddr() was called under RTNL. Rename it to dev_getbyhwaddr_rcu() and change all its caller to now use RCU locking instead of RTNL. Change arp_ioctl() to use RCU instead of RTNL locking. Note: this fix a dev refcount bug in llc Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08Merge branch 'dccp' of git://eden-feed.erg.abdn.ac.uk/net-next-2.6David S. Miller
2010-12-08llc: fix a device refcount imbalanceEric Dumazet
Le dimanche 05 décembre 2010 à 12:23 +0100, Eric Dumazet a écrit : > Le dimanche 05 décembre 2010 à 09:19 +0100, Eric Dumazet a écrit : > > > Hmm.. > > > > If somebody can explain why RTNL is held in arp_ioctl() (and therefore > > in arp_req_delete()), we might first remove RTNL use in arp_ioctl() so > > that your patch can be applied. > > > > Right now it is not good, because RTNL wont be necessarly held when you > > are going to call arp_invalidate() ? > > While doing this analysis, I found a refcount bug in llc, I'll send a > patch for net-2.6 Oh well, of course I must first fix the bug in net-2.6, and wait David pull the fix in net-next-2.6 before sending this rcu conversion. Note: this patch should be sent to stable teams (2.6.34 and up) [PATCH net-2.6] llc: fix a device refcount imbalance commit abf9d537fea225 (llc: add support for SO_BINDTODEVICE) added one refcount imbalance in llc_ui_bind(), because dev_getbyhwaddr() doesnt take a reference on device, while dev_get_by_index() does. Fix this using RCU locking. And since an RCU conversion will be done for 2.6.38 for dev_getbyhwaddr(), put the rcu_read_lock/unlock exactly at their final place. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: stable@kernel.org Cc: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08net/9p/protocol.c: Remove duplicated macros.Thiago Farina
Use the macros already provided by kernel.h file. Signed-off-by: Thiago Farina <tfransosi@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08net: init ingress queueChangli Gao
The dev field of ingress queue is forgot to initialized, then NULL pointer dereference happens in qdisc_alloc(). Move inits of tx queues to netif_alloc_netdev_queues(). Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08tcp: Bug fix in initialization of receive window.Nandita Dukkipati
The bug has to do with boundary checks on the initial receive window. If the initial receive window falls between init_cwnd and the receive window specified by the user, the initial window is incorrectly brought down to init_cwnd. The correct behavior is to allow it to remain unchanged. Signed-off-by: Nandita Dukkipati <nanditad@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-12-08net: Add missing lockdep class names for af_algMiloslav Trmač
Signed-off-by: Miloslav Trmač <mitr@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-07sunrpc: prevent use-after-free on clearing XPT_BUSYNeilBrown
When an xprt is created, it has a refcount of 1, and XPT_BUSY is set. The refcount is *not* owned by the thread that created the xprt (as is clear from the fact that creators never put the reference). Rather, it is owned by the absence of XPT_DEAD. Once XPT_DEAD is set, (And XPT_BUSY is clear) that initial reference is dropped and the xprt can be freed. So when a creator clears XPT_BUSY it is dropping its only reference and so must not touch the xprt again. However svc_recv, after calling ->xpo_accept (and so getting an XPT_BUSY reference on a new xprt), calls svc_xprt_recieved. This clears XPT_BUSY and then svc_xprt_enqueue - this last without owning a reference. This is dangerous and has been seen to leave svc_xprt_enqueue working with an xprt containing garbage. So we need to hold an extra counted reference over that call to svc_xprt_received. For safety, any time we clear XPT_BUSY and then use the xprt again, we first get a reference, and the put it again afterwards. Note that svc_close_all does not need this extra protection as there are no threads running, and the final free can only be called asynchronously from such a thread. Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2010-12-07Bluetooth: Make hci_send_to_sock usable for management control socketsJohan Hedberg
In order to send data to management control sockets the function should: - skip checks intended for raw HCI data and stack internal events - make sure RAW HCI data or stack internal events don't go to management control sockets In order to accomplish this the patch adds a new member to the bluetooth skb private data to flag skb's that are destined for management control sockets. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2010-12-07Bluetooth: Add initial Bluetooth Management interface callbacksJohan Hedberg
Add initial code for handling Bluetooth Management interface messages. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2010-12-07mac80211: Fix compilation error when mesh is disabledJavier Cardona
Wrap mesh sections inside CONFIG_MAC80211_MESH to fix compilation problems reported by Stephen Rothwell, Larry Finger and Bruno Randolf. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-07mac80211: fix a compiler warningFelix Fietkau
net/mac80211/mlme.c: In function 'ieee80211_sta_work': net/mac80211/mlme.c:1981: warning: too many arguments for format Introduced by commit 04ac3c0ee2c773c321ec472d892635a20556f34d ("mac80211: speed up AP probing using nullfunc frames"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-07mac80211: fix dynamic-ps/pm_qos magic numbersEliad Peller
mac80211 uses pm_qos (/dev/network_latency) in order to determine the dynamic ps timeout (or disable the dynamic-ps at all in some cases). commit ff616381 added a comparison for the current network_latency against one high value (1900ms), and against the default value (2000sec, rather than the commented 2sec). however, the representation of 1900ms was incorrect: 1900ms = 1900000us ( != 1900000000 ) fix it by using USEC_TO_MSEC/SEC consts. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-07nl80211/mac80211: Report signal averageBruno Randolf
Extend nl80211 to report an exponential weighted moving average (EWMA) of the signal value. Since the signal value usually fluctuates between different packets, an average can be more useful than the value of the last packet. This uses the recently added generic EWMA library function. -- v2: fix ABI breakage and change factor to be a power of 2. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-07Net: bluetooth: Makefile: Remove deprecated kbuild goal definitionsTracey Dent
Changed Makefile to use <modules>-y instead of <modules>-objs because -objs is deprecated and not mentioned in Documentation/kbuild/makefiles.txt. Signed-off-by: Tracey Dent <tdent48227@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-07dccp qpolicy: Parameter checking of cmsg qpolicy parametersTomasz Grobelny
Ensure that cmsg->cmsg_type value is valid for qpolicy that is currently in use. Signed-off-by: Tomasz Grobelny <tomasz@grobelny.oswiecenia.net> Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
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