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* [NET]: Make core networking code use seq_open_privatePavel Emelyanov2007-10-101-18/+2
| | | | | | | | | | | This concerns the ipv4 and ipv6 code mostly, but also the netlink and unix sockets. The netlink code is an example of how to use the __seq_open_private() call - it saves the net namespace on this private. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make the loopback device per network namespace.Eric W. Biederman2007-10-101-9/+9
| | | | | | | | | | | | | | | | This patch makes loopback_dev per network namespace. Adding code to create a different loopback device for each network namespace and adding the code to free a loopback device when a network namespace exits. This patch modifies all users the loopback_dev so they access it as init_net.loopback_dev, keeping all of the code compiling and working. A later pass will be needed to update the users to use something other than the initial network namespace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Dynamically allocate the loopback device, part 1.Daniel Lezcano2007-10-101-6/+9
| | | | | | | | | | | | | This patch replaces all occurences to the static variable loopback_dev to a pointer loopback_dev. That provides the mindless, trivial, uninteressting change part for the dynamic allocation for the loopback. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-By: Kirill Korotaev <dev@sw.ru> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Add ICMPMsgStats MIB (RFC 4293) [rev 2]David L Stevens2007-10-101-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Background: RFC 4293 deprecates existing individual, named ICMP type counters to be replaced with the ICMPMsgStatsTable. This table includes entries for both IPv4 and IPv6, and requires counting of all ICMP types, whether or not the machine implements the type. These patches "remove" (but not really) the existing counters, and replace them with the ICMPMsgStats tables for v4 and v6. It includes the named counters in the /proc places they were, but gets the values for them from the new tables. It also counts packets generated from raw socket output (e.g., OutEchoes, MLD queries, RA's from radvd, etc). Changes: 1) create icmpmsg_statistics mib 2) create icmpv6msg_statistics mib 3) modify existing counters to use these 4) modify /proc/net/snmp to add "IcmpMsg" with all ICMP types listed by number for easy SNMP parsing 5) modify /proc/net/snmp printing for "Icmp" to get the named data from new counters. [new to 2nd revision] 6) support per-interface ICMP stats 7) use common macro for per-device stat macros Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Remove redundant RTM_DELLINK message.Milan Kocian2007-10-101-2/+0
| | | | | | | | Remove useless message. We get the right message from another subsystem. Signed-off-by: Milan Kocian <milon@wq.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make the device list and device lookups per namespace.Eric W. Biederman2007-10-101-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes most of the generic device layer network namespace safe. This patch makes dev_base_head a network namespace variable, and then it picks up a few associated variables. The functions: dev_getbyhwaddr dev_getfirsthwbytype dev_get_by_flags dev_get_by_name __dev_get_by_name dev_get_by_index __dev_get_by_index dev_ioctl dev_ethtool dev_load wireless_process_ioctl were modified to take a network namespace argument, and deal with it. vlan_ioctl_set and brioctl_set were modified so their hooks will receive a network namespace argument. So basically anthing in the core of the network stack that was affected to by the change of dev_base was modified to handle multiple network namespaces. The rest of the network stack was simply modified to explicitly use &init_net the initial network namespace. This can be fixed when those components of the network stack are modified to handle multiple network namespaces. For now the ifindex generator is left global. Fundametally ifindex numbers are per namespace, or else we will have corner case problems with migration when we get that far. At the same time there are assumptions in the network stack that the ifindex of a network device won't change. Making the ifindex number global seems a good compromise until the network stack can cope with ifindex changes when you change namespaces, and the like. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make device event notification network namespace safeEric W. Biederman2007-10-101-0/+3
| | | | | | | | | | | | | | | | | | Every user of the network device notifiers is either a protocol stack or a pseudo device. If a protocol stack that does not have support for multiple network namespaces receives an event for a device that is not in the initial network namespace it quite possibly can get confused and do the wrong thing. To avoid problems until all of the protocol stacks are converted this patch modifies all netdev event handlers to ignore events on devices that are not in the initial network namespace. As the rest of the code is made network namespace aware these checks can be removed. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make /proc/net per network namespaceEric W. Biederman2007-10-101-3/+4
| | | | | | | | | | | | | | | | | | This patch makes /proc/net per network namespace. It modifies the global variables proc_net and proc_net_stat to be per network namespace. The proc_net file helpers are modified to take a network namespace argument, and all of their callers are fixed to pass &init_net for that argument. This ensures that all of the /proc/net files are only visible and usable in the initial network namespace until the code behind them has been updated to be handle multiple network namespaces. Making /proc/net per namespace is necessary as at least some files in /proc/net depend upon the set of network devices which is per network namespace, and even more files in /proc/net have contents that are relevant to a single network namespace. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Fix source address selection.Jiri Kosina2007-09-161-1/+1
| | | | | | | | | | | | The commit 95c385 broke proper source address selection for cases in which there is a address which is makred 'deprecated'. The commit mistakenly changed ifa->flags to ifa_result->flags (probably copy/paste error from a few lines above) in the 'Rule 3' address selection code. The patch restores the previous RFC-compliant behavior. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4/IPV6]: Fail registration if inet device construction failsHerbert Xu2007-07-311-3/+5
| | | | | | | | | | Now that netdev notifications can fail, we can use this to signal errors during registration for IPv4/IPv6. In particular, if we fail to allocate memory for the inet device, we can fail the netdev registration. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Call inet6addr_chain notifiers on link downVlad Yasevich2007-07-151-0/+1
| | | | | | | | | | Currently if the link is brought down via ip link or ifconfig down, the inet6addr_chain notifiers are not called even though all the addresses are removed from the interface. This caused SCTP to add duplicate addresses to it's list. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make all initialized struct seq_operations const.Philippe De Muyter2007-07-101-1/+1
| | | | | | | Make all initialized struct seq_operations in net/ const Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Remove unneeded pointer idev from addrconf_cleanup().Micah Gruber2007-07-101-2/+1
| | | | | | | | | This trivial patch removes the unneeded pointer idev returned from __in6_dev_get(), which is never used. The check for NULL can be simply done by if (__in6_dev_get(dev) == NULL). Signed-off-by: Micah Gruber <micah.gruber@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] MIP6: Loadable module support for MIPv6.Masahide NAKAMURA2007-07-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes MIPv6 loadable module named "mip6". Here is a modprobe.conf(5) example to load it automatically when user application uses XFRM state for MIPv6: alias xfrm-type-10-43 mip6 alias xfrm-type-10-60 mip6 Some MIPv6 feature is not included by this modular, however, it should not be affected to other features like either IPsec or IPv6 with and without the patch. We may discuss XFRM, MH (RAW socket) and ancillary data/sockopt separately for future work. Loadable features: * MH receiving check (to send ICMP error back) * RO header parsing and building (i.e. RH2 and HAO in DSTOPTS) * XFRM policy/state database handling for RO These are NOT covered as loadable: * Home Address flags and its rule on source address selection * XFRM sub policy (depends on its own kernel option) * XFRM functions to receive RO as IPv6 extension header * MH sending/receiving through raw socket if user application opens it (since raw socket allows to do so) * RH2 sending as ancillary data * RH2 operation with setsockopt(2) Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* bonding / ipv6: no addrconf for slaves separately from masterJay Vosburgh2007-07-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | At present, when a device is enslaved to bonding, if ipv6 is active then addrconf will be initated on the slave (because it is closed then opened during the enslavement processing). This causes DAD and RS packets to be sent from the slave. These packets in turn can confuse switches that perform ipv6 snooping, causing them to incorrectly update their forwarding tables (if, e.g., the slave being added is an inactve backup that won't be used right away) and direct traffic away from the active slave to a backup slave (where the incoming packets will be dropped). This patch alters the behavior so that addrconf will only run on the master device itself. I believe this is logically correct, as it prevents slaves from having an IPv6 identity independent from the master. This is consistent with the IPv4 behavior for bonding. This is accomplished by (a) having bonding set IFF_SLAVE sooner in the enslavement processing than currently occurs (before open, not after), and (b) having ipv6 addrconf ignore UP and CHANGE events on slave devices. The eql driver also uses the IFF_SLAVE flag. I inspected eql, and I believe this change is reasonable for its usage of IFF_SLAVE, but I did not test it. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [IPV6] addrconf: Fix IPv6 on tuntap tunnelsHerbert Xu2007-06-141-22/+11
| | | | | | | | | | | | | | | | | | | | | | | The recent patch that added ipv6_hwtype is broken on tuntap tunnels. Indeed, it's broken on any device that does not pass the ipv6_hwtype test. The reason is that the original test only applies to autoconfiguration, not IPv6 support. IPv6 support is allowed on any device. In fact, even with the ipv6_hwtype patch applied you can still add IPv6 addresses to any interface that doesn't pass thw ipv6_hwtype test provided that they have a sufficiently large MTU. This is a serious problem because come deregistration time these devices won't be cleaned up properly. I've gone back and looked at the rationale for the patch. It appears that the real problem is that we were creating IPv6 devices even if the MTU was too small. So here's a patch which fixes that and reverts the ipv6_hwtype stuff. Thanks to Kanru Chen for reporting this issue. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Mark netlink policies constPatrick McHardy2007-06-071-1/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Ignore ipv6 events on non-IPV6 capable devices.Oliver Hartkopp2007-05-241-10/+21
| | | | | | Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Urs Thuermann <urs@isnogud.escape.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] ROUTE: Assign rt6i_idev for ip6_{prohibit,blk_hole}_entry.YOSHIFUJI Hideaki2007-05-101-0/+4
| | | | | | | | I think this is less critical, but is also suitable for -stable release. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Rework dev_base via list_head (v3)Pavel Emelianov2007-05-031-11/+17
| | | | | | | | | | | | Cleanup of dev_base list use, with the aim to simplify making device list per-namespace. In almost every occasion, use of dev_base variable and dev->next pointer could be easily replaced by for_each_netdev loop. A few most complicated places were converted to using first_netdev()/next_netdev(). Signed-off-by: Pavel Emelianov <xemul@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Track device renames in snmp6.Stephen Hemminger2007-04-281-2/+4
| | | | | | | | | | | When network device's are renamed, the IPV6 snmp6 code gets confused. It doesn't track name changes so it will OOPS when network device's are removed. The fix is trivial, just unregister/re-register in notify handler. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Export in6addr_any for future use.YOSHIFUJI Hideaki2007-04-251-2/+0
| | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [IPV6]: Consolidate common SNMP codeHerbert Xu2007-04-251-0/+60
| | | | | | | | | | | | | | | This patch moves the non-proc SNMP code into addrconf.c and reuses IPv4 SNMP code where applicable. As a result we can skip proc.o if /proc is disabled. Note that I've made a number of functions static since they're only used by addrconf.c for now. If they ever get used elsewhere we can always remove the static. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: cleanup extra semicolonsStephen Hemminger2007-04-251-2/+2
| | | | | | | | | | | Spring cleaning time... There seems to be a lot of places in the network code that have extra bogus semicolons after conditionals. Most commonly is a bogus semicolon after: switch() { } Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] SNMP: Netlink interface.YOSHIFUJI Hideaki2007-04-251-5/+17
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RTNETLINK]: Remove unnecessary locking in dump callbacksPatrick McHardy2007-04-251-2/+0
| | | | | | | | | | Since we're now holding the rtnl during the entire dump operation, we can remove additional locking for rtnl protected data. This patch does that for all simple cases (dev_base_lock for dev_base walking, RCU protection for FIB rule dumping). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPv6]: Use rtnl registration interfaceThomas Graf2007-04-251-19/+16
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] ADDRCONF: Optimistic Duplicate Address Detection (RFC 4429) Support.Neil Horman2007-04-251-15/+91
| | | | | | | | | | | | | | | | | Nominally an autoconfigured IPv6 address is added to an interface in the Tentative state (as per RFC 2462). Addresses in this state remain in this state while the Duplicate Address Detection process operates on them to determine their uniqueness on the network. During this period, these tentative addresses may not be used for communication, increasing the time before a node may be able to communicate on a network. Using Optimistic Duplicate Address Detection, autoconfigured addresses may be used immediately for communication on the network, as long as certain rules are followed to avoid conflicts with other nodes during the Duplicate Address Detection process. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Decentralize EXPORT_SYMBOLs.YOSHIFUJI Hideaki2007-04-251-0/+9
| | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [IPV6]: Disallow RH0 by default.YOSHIFUJI Hideaki2007-04-241-0/+11
| | | | | | | | | A security issue is emerging. Disallow Routing Header Type 0 by default as we have been doing for IPv4. Note: We allow RH2 by default because it is harmless. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Set IF_READY if the device is up and has carrierHerbert Xu2007-03-271-0/+3
| | | | | | | | | | | | | We still need to set the IF_READY flag in ipv6_add_dev for the case where all addresses (including the link-local) are deleted and then recreated. In that case the IPv6 device too will be destroyed and then recreated. In order to prevent the original problem, we simply ensure that the device is up before setting IF_READY. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: fix up misplaced inlines.Dave Jones2007-03-221-3/+3
| | | | | | | | | Turning up the warnings on gcc makes it emit warnings about the placement of 'inline' in function declarations. Here's everything that was under net/ Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Do not set IF_READY if device is downHerbert Xu2007-03-071-4/+0
| | | | | | | | | Now that we add the IPv6 device at registration time we don't need to set IF_READY in ipv6_add_dev anymore because we will always get a NETDEV_UP event later on should the device ever become ready. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: anycast refcnt fixMichal Wrobel2007-02-281-0/+2
| | | | | | | | | | This patch fixes a bug in Linux IPv6 stack which caused anycast address to be added to a device prior DAD has been completed. This led to incorrect reference count which resulted in infinite wait for unregister_netdevice completion on interface removal. Signed-off-by: Michal Wrobel <xmxwx@asn.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] ADDRCONF: Register inet6_dev earlier.YOSHIFUJI Hideaki2007-02-261-0/+8
| | | | | | Allocate inet6_dev earlier to allow users to set up per-interface variables. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [IPV6] ADDRCONF: Manage prefix route corresponding to address manually added.YOSHIFUJI Hideaki2007-02-261-8/+14
| | | | | | | | | It is more natural to manage prefix routes corresponding to address which is being added manually. With help from Masafumi Aramoto <aramoto@linux-ipv6.org>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [IPV6] ADDRCONF: Statically link __ipv6_addr_type() for sunrpc subsystem.YOSHIFUJI Hideaki2007-02-261-68/+0
| | | | | | | Link __ipv6_addr_type() statically for sunrpc code even if IPv6 is built as module. Signed-off-by: YOSHIFUJI Hidaki <yoshfuji@linux-ipv6.org>
* [PATCH] sysctl: remove the proc_dir_entry member for the sysctl tablesEric W. Biederman2007-02-141-5/+0
| | | | | | | | | | | | | It isn't needed anymore, all of the users are gone, and all of the ctl_table initializers have been converted to use explicit names of the fields they are initializing. [akpm@osdl.org: NTFS fix] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysctl: remove insert_at_head from register_sysctlEric W. Biederman2007-02-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove many unneeded #includes of sched.hTim Schmielau2007-02-141-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] mark struct file_operations const 7Arjan van de Ven2007-02-121-1/+1
| | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [NET] IPV6: Fix whitespace errors.YOSHIFUJI Hideaki2007-02-101-99/+99
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Don't BUG on undersized allocationsPatrick McHardy2007-02-081-25/+45
| | | | | | | | | | | | | | | Currently netlink users BUG when the allocated skb for an event notification is undersized. While this is certainly a kernel bug, its not critical and crashing the kernel is too drastic, especially when considering that these errors have appeared multiple times in the past and it BUGs even if no listeners are present. This patch replaces BUG by WARN_ON and changes the notification functions to inform potential listeners of undersized allocations using a unique error code (EMSGSIZE). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Fix up some CONFIG typosNeil Horman2007-01-301-2/+2
| | | | | Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] MCAST: Fix joining all-node multicast group on device initialization.YOSHIFUJI Hideaki2007-01-231-0/+6
| | | | | | | | | | Join all-node multicast group after assignment of dev->ip6_ptr because it must be assigned when ipv6_dev_mc_inc() is called. This fixes Bug#7817, reported by <gernoth@informatik.uni-erlangen.de>. Closes: 7817 Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4/IPV6]: Fix inet{,6} device initialization order.David L Stevens2007-01-041-2/+2
| | | | | | | | | | | It is important that we only assign dev->ip{,6}_ptr only after all portions of the inet{,6} are setup. Otherwise we can receive packets before the multicast spinlocks et al. are initialized. Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] sysctl: remove unused "context" paramAlexey Dobriyan2006-12-101-2/+1
| | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andi Kleen <ak@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: David Howells <dhowells@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [IPV6]: Use kmemdupArnaldo Carvalho de Melo2006-12-021-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Code diff stats: [acme@newtoy net-2.6.20]$ codiff /tmp/ipv6.ko.before /tmp/ipv6.ko.after /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/ip6_output.c: ip6_output | -52 ip6_append_data | +2 2 functions changed, 2 bytes added, 52 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/addrconf.c: addrconf_sysctl_register | -27 1 function changed, 27 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/tcp_ipv6.c: tcp_v6_syn_recv_sock | -32 tcp_v6_parse_md5_keys | -24 2 functions changed, 56 bytes removed /tmp/ipv6.ko.after: 5 functions changed, 2 bytes added, 135 bytes removed [acme@newtoy net-2.6.20]$ Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [IPV6]: Misc endianness annotations.Al Viro2006-12-021-1/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPv6] prefix: Convert RTM_NEWPREFIX notifications to use the new netlink apiThomas Graf2006-12-021-16/+14
| | | | | | | RTM_GETPREFIX is completely unused and is thus removed. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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