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2011-07-18net: Add ->neigh_lookup() operation to dst_opsDavid S. Miller
In the future dst entries will be neigh-less. In that environment we need to have an easy transition point for current users of dst->neighbour outside of the packet output fast path. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17net: Abstract dst->neighbour accesses behind helpers.David S. Miller
dst_{get,set}_neighbour() Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17ipv6: Get rid of rt6i_nexthop macro.David S. Miller
It just makes it harder to see 1) what the code is doing and 2) grep for all users of dst{->,.}neighbour Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17neigh: Pass neighbour entry to output ops.David S. Miller
This will get us closer to being able to do "neigh stuff" completely independent of the underlying dst_entry for protocols (ipv4/ipv6) that wish to do so. We will also be able to make dst entries neigh-less. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17SUNRPC: Replace xprt->resend and xprt->sending with a priority queueTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17SUNRPC: Allow caller of rpc_sleep_on() to select priority levelsTrond Myklebust
Currently, the caller has to change the value of task->tk_priority if it wants to select on which priority level the task will sleep. This patch allows the caller to select a priority level at sleep time rather than always using task->tk_priority. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17SUNRPC: Support dynamic slot allocation for TCP connectionsTrond Myklebust
Allow the number of available slots to grow with the TCP window size. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17SUNRPC: Clean up the slot table allocationTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17SUNRPC: Initalise the struct xprt upon allocationTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17SUNRPC: Ensure that we grab the XPRT_LOCK before calling xprt_alloc_slotTrond Myklebust
This throttles the allocation of new slots when the socket is busy reconnecting and/or is out of buffer space. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-17net: vlan, qlcnic: make vlan_find_dev privateDavid Lamparter
there is only one user of vlan_find_dev outside of the actual vlan code: qlcnic uses it to iterate over some VLANs it knows. let's just make vlan_find_dev private to the VLAN code and have the iteration in qlcnic be a bit more direct. (a few rcu dereferences less too) Signed-off-by: David Lamparter <equinox@diac24.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Amit Kumar Salecha <amit.salecha@qlogic.com> Cc: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Cc: linux-driver@qlogic.com Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill ndisc_ops->queue_xmitDavid S. Miller
It is always dev_queue_xmit(). Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill hh_cache->hh_outputDavid S. Miller
It's just taking on one of two possible values, either neigh_ops->output or dev_queue_xmit(). And this is purely depending upon whether nud_state has NUD_CONNECTED set or not. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill neigh_ops->hh_outputDavid S. Miller
It's always dev_queue_xmit(). Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Simply destroy handling wrt. hh_cache.David S. Miller
Now that hh_cache entries are embedded inside of neighbour entries, their lifetimes and accesses are now synchronous to that of the encompassing neighbour object. Therefore we don't need to hook up the blackhole op to hh_output on destroy. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16net: Create and use new helper, neigh_output().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16ipv6: Use calculated 'neigh' instead of re-evaluating dst->neighbourDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16ipv4: Use calculated 'neigh' instead of re-evaluating dst->neighbourDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16Bluetooth: Fix crash with incoming L2CAP connectionsIlia Kolomisnky
Another regression fix considering incomming l2cap connections with defer_setup enabled. In situations when incomming connection is extracted with l2cap_sock_accept, it's bt_sock info will have 'parent' member zerroed, but 'parent' may be used unconditionally in l2cap_conn_start() and l2cap_security_cfm() when defer_setup is enabled. Backtrace: [<bf02d5ac>] (l2cap_security_cfm+0x0/0x2ac [bluetooth]) from [<bf01f01c>] (hci_event_pac ket+0xc2c/0x4aa4 [bluetooth]) [<bf01e3f0>] (hci_event_packet+0x0/0x4aa4 [bluetooth]) from [<bf01a844>] (hci_rx_task+0x cc/0x27c [bluetooth]) [<bf01a778>] (hci_rx_task+0x0/0x27c [bluetooth]) from [<c008eee4>] (tasklet_action+0xa0/ 0x15c) [<c008ee44>] (tasklet_action+0x0/0x15c) from [<c008f38c>] (__do_softirq+0x98/0x130) r7:00000101 r6:00000018 r5:00000001 r4:efc46000 [<c008f2f4>] (__do_softirq+0x0/0x130) from [<c008f524>] (do_softirq+0x4c/0x58) [<c008f4d8>] (do_softirq+0x0/0x58) from [<c008f5e0>] (run_ksoftirqd+0xb0/0x1b4) r4:efc46000 r3:00000001 [<c008f530>] (run_ksoftirqd+0x0/0x1b4) from [<c009f2a8>] (kthread+0x84/0x8c) r7:00000000 r6:c008f530 r5:efc47fc4 r4:efc41f08 [<c009f224>] (kthread+0x0/0x8c) from [<c008cc84>] (do_exit+0x0/0x5f0) Signed-off-by: Ilia Kolomisnky <iliak@ti.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16Bluetooth: Fix regression in L2CAP connection procedureGustavo F. Padovan
Caused by the following commit, partially revert it. commit 9fa7e4f76f3658ba1f44fbdb95c77e7df3f53f95 Author: Gustavo F. Padovan <padovan@profusion.mobi> Date: Thu Jun 30 16:11:30 2011 -0300 Bluetooth: Fix regression with incoming L2CAP connections PTS test A2DP/SRC/SRC_SET/TC_SRC_SET_BV_02_I revealed that ( probably after the df3c3931e commit ) the l2cap connection could not be established in case when the "Auth Complete" HCI event does not arive before the initiator send "Configuration request", in which case l2cap replies with "Command rejected" since the channel is still in BT_CONNECT2 state. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15svcrpc: fix list-corrupting race on nfsd shutdownJ. Bruce Fields
After commit 3262c816a3d7fb1eaabce633caa317887ed549ae "[PATCH] knfsd: split svc_serv into pools", svc_delete_xprt (then svc_delete_socket) no longer removed its xpt_ready (then sk_ready) field from whatever list it was on, noting that there was no point since the whole list was about to be destroyed anyway. That was mostly true, but forgot that a few svc_xprt_enqueue()'s might still be hanging around playing with the about-to-be-destroyed list, and could get themselves into trouble writing to freed memory if we left this xprt on the list after freeing it. (This is actually functionally identical to a patch made first by Ben Greear, but with more comments.) Cc: stable@kernel.org Cc: gnb@fmeh.org Reported-by: Ben Greear <greearb@candelatech.com> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-15rpc: allow autoloading of gss mechanismsJ. Bruce Fields
Remove the need for an explicit modprobe of rpcsec_gss_krb5. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-15svcauth_unix.c: quiet sparse noiseH Hartley Sweeten
Like svcauth_unix, the symbol svcauth_null is used external from this file. Declare it as extern to quiet the following sparse noise: warning: symbol 'svcauth_null' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-15svcsock.c: include sunrpc.h to quiet sparse noiseH Hartley Sweeten
Include the private header sunrpc.h to pickup the declaration of the function svc_send_common to quiet the following sparse noise: warning: symbol 'svc_send_common' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-15nfsd: Remove deprecated nfsctl system call and related code.NeilBrown
As promised in feature-removal-schedule.txt it is time to remove the nfsctl system call. Userspace has perferred to not use this call throughout 2.6 and it has been excluded in the default configuration since 2.6.36 (9 months ago). So this patch removes all the code that was being compiled out. There are still references to sys_nfsctl in various arch systemcall tables and related code. These should be cleaned out too, probably in the next merge window. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-15mac80211: be more careful in suspend/resumeJohannes Berg
When suspending with all netdevs down, the device is stopped but we still call a number of driver callbacks that the driver might not expect. The same happens during resume, we might call a few callbacks without starting the driver. Fix this by checking open_count around more things and exiting quickly if it is 0. Also, while at this I noticed that the coverage class isn't reprogrammed after resume, so add that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15mac80211: let key iteration get keys in install orderJohannes Berg
ieee80211_iter_keys() currently returns keys in the backward order they were installed in, which is a bit confusing. Add them to the tail of the key list to make sure iterations go in the same order that keys were originally installed in. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15mac80211: allow driver access to TKIP RX P1KJohannes Berg
When the driver wants to pre-program the TKIP RX phase 1 key, it needs to be able to obtain it for the peer's TA. Add API to allow it to generate it. The generation uses a dummy on-stack context since it doesn't know the RX queue. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15nl80211/cfg80211: add max_sched_scan_ie_len in the hw descriptionLuciano Coelho
Some chips may support different lengths of user-supplied IEs with a single scheduled scan command than with a single normal scan command. To support this, this patch creates a separate hardware description element that describes the maximum size of user-supplied information element data supported in scheduled scans. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15nl80211/cfg80211: add max_sched_scan_ssids in the hw descriptionLuciano Coelho
Some chips can scan more SSIDs with a single scheduled scan command than with a single normal scan command (eg. wl12xx chips). To support this, this patch creates a separate hardware description element that describes the amount of SSIDs supported in scheduled scans. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15nl80211: advertise GTK rekey support, new triggersJohannes Berg
Since we now have the necessary API in place to support GTK rekeying, applications will need to know whether it is supported by a device. Add a pseudo-trigger that is used only to advertise that capability. Also, add some new triggers that match what iwlagn devices can do. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-15Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2011-07-15Remove redundant variable/code in __qdisc_runKrishna Kumar
Remove redundant variable "work". Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: net/bluetooth/l2cap_core.c
2011-07-15SUNRPC: Convert the backchannel exports to EXPORT_SYMBOL_GPLTrond Myklebust
Ensure that the backchannel exports conform to the existing sunrpc practice. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-15SUNRPC: sunrpc should not explicitly depend on NFS config optionsTrond Myklebust
Change explicit references to CONFIG_NFS_V4_1 to implicit ones Get rid of the unnecessary defines in backchannel_rqst.c and bc_svc.c: the Makefile takes care of those dependency. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-14net: remove NETIF_F_ALL_TX_OFFLOADSMichał Mirosław
There is no software fallback implemented for SCTP or FCoE checksumming, and so it should not be passed on by software devices like bridge or bonding. For VLAN devices, this is different. First, the driver for underlying device should be prepared to get offloaded packets even when the feature is disabled (especially if it advertises it in vlan_features). Second, devices under VLANs do not get replaced without tearing down the VLAN first. This fixes a mess I accidentally introduced while converting bonding to ndo_fix_features. NETIF_F_SOFT_FEATURES are removed from BOND_VLAN_FEATURES because they are unused as of commit 712ae51afd. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: sctp: fix checksum marking for outgoing packetsMichał Mirosław
Packets to devices without NETIF_F_SCTP_CSUM (including NETIF_F_NO_CSUM) should be properly checksummed because the packets can be diverted or rerouted after construction. This still leaves packets diverted from NETIF_F_SCTP_CSUM-enabled devices with broken checksums. Fixing this needs implementing software offload fallback in networking core. For users of sctp_checksum_disable, skb->ip_summed should be left as CHECKSUM_NONE and not CHECKSUM_UNNECESSARY as per include/linux/skbuff.h. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: remove SK_ROUTE_CAPS from meta ematchMichał Mirosław
Remove it, as it indirectly exposes netdev features. It's not used in iproute2 (2.6.38) - is anything else using its interface? Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: remove /sys/class/net/*/featuresMichał Mirosław
The same information and more can be obtained by using ethtool with ETHTOOL_GFEATURES. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: unexport netdev_fix_features()Michał Mirosław
It is not used anywhere except net/core/dev.c now. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: cleanup vlan_features setting in register_netdevMichał Mirosław
vlan_features contains features inherited from underlying device. NETIF_SOFT_FEATURES are not inherited but belong to the vlan device itself (ensured in vlan_dev_fix_features()). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: vlan: remove reduntant check in ndo_fix_features callbackMichał Mirosław
Use the fact that ORing with zero is a no-op. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14af-packet: fix - avoid reading stale dataChetan Loke
Currently we flush tp_status and then flush the remainder of the header+payload. tp_status should be flushed in the end to avoid stale data being read by user-space. Incorrectly re-ordered barriers in v1. Signed-off-by: Chetan Loke <loke.chetan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/bluetooth/l2cap_core.c
2011-07-14net: Embed hh_cache inside of struct neighbour.David S. Miller
Now that there is a one-to-one correspondance between neighbour and hh_cache entries, we no longer need: 1) dynamic allocation 2) attachment to dst->hh 3) refcounting Initialization of the hh_cache entry is indicated by hh_len being non-zero, and such initialization is always done with the neighbour's lock held as a writer. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-13Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: SUNRPC: Fix use of static variable in rpcb_getport_async NFSv4.1: update nfs4_fattr_bitmap_maxsz SUNRPC: Fix a race between work-queue and rpc_killall_tasks pnfs: write: Set mds_offset in the generic layer - it is needed by all LDs
2011-07-13mac80211: allow driver to disconnect after resumeJohannes Berg
In WoWLAN, devices may use crypto keys for TX/RX and could also implement GTK rekeying. If the driver isn't able to retrieve replay counters and similar information from the device upon resume, or if the device isn't responsive due to platform issues, it isn't safe to keep the connection up as GTK rekey messages from during the sleep time could be replayed against it. The only protection against that is disconnecting from the AP. Modifying mac80211 to do that while it is resuming would be very complex and invasive in the case that the driver requires a reconfig, so do it after it has resumed completely. In that case, however, packets might be replayed since it can then only happen after TX/RX are up again, so mark keys for interfaces that need to disconnect as "tainted" and drop all packets that are sent or received with those keys. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-13mac80211: remove a redundant checkMohammed Shafi Shajakhan
is_valid_ether_addr itself checks for is_zero_ether_addr Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-13net: Kill support for multiple hh_cache entries per neighbourDavid S. Miller
This never, ever, happens. Neighbour entries are always tied to one address family, and therefore one set of dst_ops, and therefore one dst_ops->protocol "hh_type" value. This capability was blindly imported by Alexey Kuznetsov when he wrote the neighbour layer. Signed-off-by: David S. Miller <davem@davemloft.net>
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