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function/variable.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/usb/rndis_host.c
drivers/net/wireless/b43/dma.c
net/ipv6/ndisc.c
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Allyesconfig (v2.6.24-mm1):
-10976 209 funcs, 123 +, 11099 -, diff: -10976 --- skb_trim
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-7360 192 funcs, 131 +, 7491 -, diff: -7360 --- skb_trim
skb_trim | +42
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Codiff stats (allyesconfig, v2.6.24-mm1):
-16420 187 funcs, 103 +, 16523 -, diff: -16420 --- dst_release
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-7257 186 funcs, 70 +, 7327 -, diff: -7257 --- dst_release
dst_release | +40
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allyesconfig (v2.6.24-mm1):
-21593 356 funcs, 2418 +, 24011 -, diff: -21593 --- skb_push
Without many debug related CONFIGs (v2.6.25-rc2-mm1):
-13890 341 funcs, 189 +, 14079 -, diff: -13890 --- skb_push
skb_push | +46
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allyesconfig (v2.6.24-mm1):
-23668 392 funcs, 104 +, 23772 -, diff: -23668 --- dev_alloc_skb
Without many debug CONFIGs (v2.6.25-rc2-mm1):
-12178 382 funcs, 157 +, 12335 -, diff: -12178 --- dev_alloc_skb
dev_alloc_skb | +37
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allyesconfig (v2.6.24-mm1):
-28162 354 funcs, 3005 +, 31167 -, diff: -28162 --- skb_pull
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-9697 338 funcs, 221 +, 9918 -, diff: -9697 --- skb_pull
skb_pull | +44
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allyesconfig (v2.6.24-mm1):
~500 files changed
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869 funcs, 198 +, 111003 -, diff: -110805 --- skb_put
skb_put | +104
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-60744 855 funcs, 861 +, 61605 -, diff: -60744 --- skb_put
skb_put | +57
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits)
[IPSEC]: Fix BEET output
[ICMP]: Dst entry leak in icmp_send host re-lookup code (v2).
[AX25]: Remove obsolete references to BKL from TODO file.
[NET]: Fix multicast device ioctl checks
[IRDA]: Store irnet_socket termios properly.
[UML]: uml-net: don't set IFF_ALLMULTI in set_multicast_list
[VLAN]: Don't copy ALLMULTI/PROMISC flags from underlying device
netxen, phy/marvell, skge: minor checkpatch fixes
S2io: Handle TX completions on the same CPU as the sender for MIS-X interrupts
b44: Truncate PHY address
skge napi->poll() locking bug
rndis_host: fix oops when query for OID_GEN_PHYSICAL_MEDIUM fails
cxgb3: Fix lockdep problems with sge.reg_lock
ehea: Fix IPv6 support
dm9000: Support promisc and all-multi modes
dm9601: configure MAC to drop invalid (crc/length) packets
dm9601: add Hirose USB-100 device ID
Marvell PHY m88e1111 driver fix
netxen: fix rx dropped stats
netxen: remove low level tx lock
...
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SIOCADDMULTI/SIOCDELMULTI check whether the driver has a set_multicast_list
method to determine whether it supports multicast. Drivers implementing
secondary unicast support use set_rx_mode however.
Check for both dev->set_multicast_mode and dev->set_rx_mode to determine
multicast capabilities.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce an inline net_eq() to compare two namespaces.
Without CONFIG_NET_NS, since no namespace other than &init_net
exists, it is always 1.
We do not need to convert 1) inline vs inline and
2) inline vs &init_net comparisons.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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Introduce neigh_parms/pneigh_entry inlines: neigh_parms_net(), pneigh_net().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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Without CONFIG_NET_NS, no namespace other than &init_net exists,
no need to store net in seq_net_private.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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Introduce per-sock inlines: sock_net(), sock_net_set()
and per-inet_timewait_sock inlines: twsk_net(), twsk_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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Introduce per-net_device inlines: dev_net(), dev_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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This file displays the registered packet types, but some of them
(packet sockets creates such) can be bound to a net device and showing
them in a wrong namespace is not correct.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Proxy neighbors do not have any reference counting, so any caller
of pneigh_lookup (unless it's a netlink triggered add/del routine)
should _not_ perform any actions on the found proxy entry.
There's one exception from this rule - the ipv6's ndisc_recv_ns()
uses found entry to check the flags for NTF_ROUTER.
This creates a race between the ndisc and pneigh_delete - after
the pneigh is returned to the caller, the nd_tbl.lock is dropped
and the deleting procedure may proceed.
One of the fixes would be to add a reference counting, but this
problem exists for ndisc only. Besides such a patch would be too
big for -rc4.
So I propose to introduce a __pneigh_lookup() which is supposed
to be called with the lock held and use it in ndisc code to check
the flags on alive pneigh entry.
Changes from v2:
As David noticed, Exported the __pneigh_lookup() to ipv6 module.
The checkpatch generates a warning on it, since the EXPORT_SYMBOL
does not follow the symbol itself, but in this file all the
exports come at the end, so I decided no to break this harmony.
Changes from v1:
Fixed comments from YOSHIFUJI - indentation of prototype in header
and the pndisc_check_router() name - and a compilation fix, pointed
by Daniel - the is_routed was (falsely) considered as uninitialized
by gcc.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (46 commits)
[NET] ifb: set separate lockdep classes for queue locks
[IPV6] KCONFIG: Fix description about IPV6_TUNNEL.
[TCP]: Fix shrinking windows with window scaling
netpoll: zap_completion_queue: adjust skb->users counter
bridge: use time_before() in br_fdb_cleanup()
[TG3]: Fix build warning on sparc32.
MAINTAINERS: bluez-devel is subscribers-only
audit: netlink socket can be auto-bound to pid other than current->pid (v2)
[NET]: Fix permissions of /proc/net
[SCTP]: Fix a race between module load and protosw access
[NETFILTER]: ipt_recent: sanity check hit count
[NETFILTER]: nf_conntrack_h323: logical-bitwise & confusion in process_setup()
[RT2X00] drivers/net/wireless/rt2x00/rt2x00dev.c: remove dead code, fix warning
[IPV4]: esp_output() misannotations
[8021Q]: vlan_dev misannotations
xfrm: ->eth_proto is __be16
[IPV4]: ipv4_is_lbcast() misannotations
[SUNRPC]: net/* NULL noise
[SCTP]: fix misannotated __sctp_rcv_asconf_lookup()
[PKT_SCHED]: annotate cls_u32
...
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Update: My mailer ate one of Jarek's feedback mails... Fixed the
parameter in netif_set_gso_max_size() to be u32, not u16. Fixed the
whitespace issue due to a patch import botch. Changed the types from
u32 to unsigned int to be more consistent with other variables in the
area. Also brought the patch up to the latest net-2.6.26 tree.
Update: Made gso_max_size container 32 bits, not 16. Moved the
location of gso_max_size within netdev to be less hotpath. Made more
consistent names between the sock and netdev layers, and added a
define for the max GSO size.
Update: Respun for net-2.6.26 tree.
Update: changed max_gso_frame_size and sk_gso_max_size from signed to
unsigned - thanks Stephen!
This patch adds the ability for device drivers to control the size of
the TSO frames being sent to them, per TCP connection. By setting the
netdevice's gso_max_size value, the socket layer will set the GSO
frame size based on that value. This will propogate into the TCP
layer, and send TSO's of that size to the hardware.
This can be desirable to help tune the bursty nature of TSO on a
per-adapter basis, where one may have 1 GbE and 10 GbE devices
coexisting in a system, one running multiqueue and the other not, etc.
This can also be desirable for devices that cannot support full 64 KB
TSO's, but still want to benefit from some level of segmentation
offloading.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
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zap_completion_queue() retrieves skbs from completion_queue where they have
zero skb->users counter. Before dev_kfree_skb_any() it should be non-zero
yet, so it's increased now.
Reported-and-tested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'sync' wakeups are a hint towards the scheduler that (certain)
networking related wakeups likely create coupling between tasks.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/mac80211/rc80211_pid_algo.c
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Based upon a report by Andrew Morton and code analysis done
by Jarek Poplawski.
This reverts 33f807ba0d9259e7c75c7a2ce8bd2787e5b540c7 ("[NETPOLL]:
Kill NETPOLL_RX_DROP, set but never tested.") and
c7b6ea24b43afb5749cb704e143df19d70e23dea ("[NETPOLL]: Don't need
rx_flags.").
The rx_flags did get tested for zero vs. non-zero and therefore we do
need those tests and that code which sets NETPOLL_RX_DROP et al.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some place, that calculate the ARP header length. These
calculations are correct, but
a) some operate with "magic" constants,
b) enlarge the code length (sometimes at the cost of coding style),
c) are not informative from the first glance.
The proposal is to introduce a helper, that includes all the good
sides of these calculations.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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neigh_update sends skb from neigh->arp_queue while neigh_timer_handler
has increased skbs refcount and calls solicit with the
skb. neigh_timer_handler should not increase skbs refcount but make a
copy of the skb and do solicit with the copy.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The seq_file_operations' dev_mc_seq_xxx callbacks do the same thing as
the dev_seq_xxx ones do, but skip the SEQ_START_TOKEN.
So use the existing exported dev_seq_xxx calls and handle the
SEQ_START_TOKEN in the dev_mc_seq_show().
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes:
ERROR: "sk_release_kernel" [net/ipv6/ipv6.ko] undefined!
Signed-off-by: David S. Miller <davem@davemloft.net>
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This staff will be needed for non-netlink kernel sockets, which should
also not pin a namespace like tcp_socket and icmp_socket.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Device inside the namespace can be started and downed. So, active routing
cache should be cleaned up on device stop.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Default ARP parameters should be findable regardless of the context.
Required to make inetdev_event working.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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neigh_sysctl_register should register sysctl entries inside correct namespace
to avoid naming conflict. Typical example is a loopback. Entries for it
present in all namespaces.
Required to make inetdev_event working.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits)
[NETFILTER]: fix ebtable targets return
[IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly.
[NET]: Restore sanity wrt. print_mac().
[NEIGH]: Fix race between neighbor lookup and table's hash_rnd update.
[RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINK
tg3: ethtool phys_id default
[BNX2]: Update version to 1.7.4.
[BNX2]: Disable parallel detect on an HP blade.
[BNX2]: More 5706S link down workaround.
ssb: Fix support for PCI devices behind a SSB->PCI bridge
zd1211rw: fix sparse warnings
rtl818x: fix sparse warnings
ssb: Fix pcicore cardbus mode
ssb: Make the GPIO API reentrancy safe
ssb: Fix the GPIO API
ssb: Fix watchdog access for devices without a chipcommon
ssb: Fix serial console on new bcm47xx devices
ath5k: Fix build warnings on some 64-bit platforms.
WDEV, ath5k, don't return int from bool function
WDEV: ath5k, fix lock imbalance
...
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The neigh_hash_grow() may update the tbl->hash_rnd value, which
is used in all tbl->hash callbacks to calculate the hashval.
Two lookup routines may race with this, since they call the
->hash callback without the tbl->lock held. Since the hash_rnd
is changed with this lock write-locked moving the calls to ->hash
under this lock read-locked closes this gap.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTM_NEWLINK allows for already existing links to be modified. For this
purpose do_setlink() is called which expects address attributes with a
payload length of at least dev->addr_len. This patch adds the necessary
validation for the RTM_NEWLINK case.
The address length for links to be created is not checked for now as the
actual attribute length is used when copying the address to the netdevice
structure. It might make sense to report an error if less than addr_len
bytes are provided but enforcing this might break drivers trying to be
smart with not transmitting all zero addresses.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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release_net is missed on the error path in pneigh_lookup.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IFLA_LINK is no longer a write-only attribute on the kernel side and
must thus be validated. Same goes for the newly introduced
IFLA_LINKINFO.
Fixes undefined behaviour if either of the attributes are not well
formed.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit a0a400d79e3dd7843e7e81baa3ef2957bdc292d0 ("[NET]: dev_mcast:
add multicast list synchronization helpers") from you introduced a new
field "da_synced" to struct dev_addr_list that is not properly
initialized to 0. So when any of the current users (8021q, macvlan,
mac80211) calls dev_mc_sync/unsync they mess the address list for both
devices.
The attached patch fixed it for me and avoid future problems.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (60 commits)
[NIU]: Bump driver version and release date.
[NIU]: Fix BMAC alternate MAC address indexing.
net: fix kernel-doc warnings in header files
[IPV6]: Use BUG_ON instead of if + BUG in fib6_del_route.
[IPV6]: dst_entry leak in ip4ip6_err. (resend)
bluetooth: do not move child device other than rfcomm
bluetooth: put hci dev after del conn
[NET]: Elminate spurious print_mac() calls.
[BLUETOOTH] hci_sysfs.c: Kill build warning.
[NET]: Remove MAC_FMT
net/8021q/vlan_dev.c: Use print_mac.
[XFRM]: Fix ordering issue in xfrm_dst_hash_transfer().
[BLUETOOTH] net/bluetooth/hci_core.c: Use time_* macros
[IPV6]: Fix hardcoded removing of old module code
[NETLABEL]: Move some initialization code into __init section.
[NETLABEL]: Shrink the genl-ops registration code.
[AX25] ax25_out: check skb for NULL in ax25_kick()
[TCP]: Fix tcp_v4_send_synack() comment
[IPV4]: fix alignment of IP-Config output
Documentation: fix tcp.txt
...
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This reverts commit 69cc64d8d92bf852f933e90c888dfff083bd4fc9.
It causes recursive locking in IPV6 because unlike other
neighbour layer clients, it even needs neighbour cache
entries to send neighbour soliciation messages :-(
We'll have to find another way to fix this race.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 45b503548210fe6f23e92b856421c2a3f05fd034.
It break locking around dev->link_mode as well as cause
other bootup problems.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (82 commits)
[NET]: Make sure sockets implement splice_read
netconsole: avoid null pointer dereference at show_local_mac()
[IPV6]: Fix reversed local_df test in ip6_fragment
[XFRM]: Avoid bogus BUG() when throwing new policy away.
[AF_KEY]: Fix bug in spdadd
[NETFILTER] nf_conntrack_proto_tcp.c: Mistyped state corrected.
net: xfrm statistics depend on INET
[NETFILTER]: make secmark_tg_destroy() static
[INET]: Unexport inet_listen_wlock
[INET]: Unexport __inet_hash_connect
[NET]: Improve cache line coherency of ingress qdisc
[NET]: Fix race in dev_close(). (Bug 9750)
[IPSEC]: Fix bogus usage of u64 on input sequence number
[RTNETLINK]: Send a single notification on device state changes.
[NETLABLE]: Hide netlbl_unlabel_audit_addr6 under ifdef CONFIG_IPV6.
[NETLABEL]: Don't produce unused variables when IPv6 is off.
[NETLABEL]: Compilation for CONFIG_AUDIT=n case.
[GENETLINK]: Relax dances with genl_lock.
[NETLABEL]: Fix lookup logic of netlbl_domhsh_search_def.
[IPV6]: remove unused method declaration (net/ndisc.h).
...
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Move networking (core and drivers) docbook to its own networking book.
Fix a few kernel-doc errors in header and source files.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fastcall always expands to empty, remove it.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There is a race in Linux kernel file net/core/dev.c, function dev_close.
The function calls function dev_deactivate, which calls function
dev_watchdog_down that deletes the watchdog timer. However, after that, a
driver can call netif_carrier_ok, which calls function
__netdev_watchdog_up that can add the watchdog timer again. Function
unregister_netdevice calls function dev_shutdown that traps the bug
!timer_pending(&dev->watchdog_timer). Moving dev_deactivate after
netif_running() has been cleared prevents function netif_carrier_on
from calling __netdev_watchdog_up and adding the watchdog timer again.
Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In do_setlink() a single notification is sent at the end of the
function if any modification occured. If the address has been changed,
another notification is sent.
Both of them is required because originally only the NETDEV_CHANGEADDR
notification was sent and although device state change implies address
change, some programs may expect the original notification. It remains
for compatibity.
If set_operstate() is called from do_setlink(), it doesn't send a
notification, only if it is called from rtnl_create_link() as earlier.
Signed-off-by: Laszlo Attila Toth <panther@balabit.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix comment for skb_pull_rcsum
Signed-off-by: Urs Thuermann <urs@isnogud.escape.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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