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* ip: fix logic of reverse path filter sysctlStephen Hemminger2009-07-27
| | | | | | | | | Even though reverse path filter was changed from simple boolean to trinary control, the loose mode only works if both all and device are configured because of this logic error. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: add ARP notify option for devicesStephen Hemminger2009-02-01
| | | | | | | | | | This adds another inet device option to enable gratuitous ARP when device is brought up or address change. This is handy for clusters or virtualization. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: add mc_count to in_device.Rami Rosen2008-10-07
| | | | | | | | | | | This patch add mc_count to struct in_device and updates increment/decrement/initilaize of this field in IPv4 and in IPv6. - Also printing the vfs /proc entry (/proc/net/igmp) is adjusted to use the new mc_count. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* route: Remove unused ifa_anycast fieldThomas Graf2008-06-03
| | | | | | | | | The field was supposed to allow the creation of an anycast route by assigning an anycast address to an address prefix. It was never implemented so this field is unused and serves no purpose. Remove it. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.YOSHIFUJI Hideaki2008-03-25
| | | | | | | | 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>
* [NETNS]: Process devinet ioctl in the correct namespace.Denis V. Lunev2008-02-28
| | | | | | | | Add namespace parameter to devinet_ioctl and locate device inside it for state changes. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Make struct ipv4_devconf static.Adrian Bunk2008-01-31
| | | | | | | | struct ipv4_devconf can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to ip_dev_find.Denis V. Lunev2008-01-28
| | | | | | | | in_dev_find() need a namespace to pass it to fib_get_table(), so add an argument. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add netns parameter to inetdev_by_index.Denis V. Lunev2008-01-28
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Remove extra argument from arp_ignore.Denis V. Lunev2008-01-28
| | | | | | | | | | | | arp_ignore has two arguments: dev & in_dev. dev is used for inet_confirm_addr calling only. inet_confirm_addr, in turn, either gets in_dev from the device passed or iterates over all network devices if the device passed is NULL. It seems logical to directly pass in_dev into inet_confirm_addr. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Switch users of ipv4_devconf(_all) to use the pernet onePavel Emelyanov2008-01-28
| | | | | | | | | | These are scattered over the code, but almost all the "critical" places already have the proper struct net at hand except for snmp proc showing function and routing rtnl handler. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Cleanup IN_DEV_MFORWARD macroPavel Emelyanov2008-01-28
| | | | | | | This is essentially IN_DEV_ANDCONF with proper arguments. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Merge sys.net.ipv4.ip_forward and sys.net.ipv4.conf.all.forwardingPavel Emelyanov2008-01-28
| | | | | | | | | | | | | | | AFAIS these two entries should do the same thing - change the forwarding state on ipv4_devconf and on all the devices. I propose to merge the handlers together using ctl paths. The inet_forward_change() is static after this and I move it higher to be closer to other "propagation" helpers and to avoid diff making patches based on { and } matching :) i.e. - make them easier to read. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: include sysctl.h from inetdevice.hSatyam Sharma2007-06-22
| | | | | | | | | | | | | | | | When CONFIG_INET=y and CONFIG_SYSCTL=n: In file included from net/core/netpoll.c:16: include/linux/inetdevice.h:15: error: '__NET_IPV4_CONF_MAX' undeclared here (not in a function) make[2]: *** [net/core/netpoll.o] Error 1 make[1]: *** [net/core] Error 2 make: *** [net] Error 2 So #include sysctl.h from inetdevice.h. Signed-off-by: Satyam Sharma <satyam.sharma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Restore old behaviour of default config valuesHerbert Xu2007-06-07
| | | | | | | | | | | | | | | | | Previously inet devices were only constructed when addresses are added (or rarely in ipmr). Therefore the default config values they get are the ones at the time of these operations. Now that we're creating inet devices earlier, this changes the behaviour of default config values in an incompatible way (see bug #8519). This patch creates a compromise by setting the default values at the same point as before but only for those that have not been explicitly set by the user since the inet device's creation. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Add default config support after inetdev_initHerbert Xu2007-06-07
| | | | | | | | | | | | | | | | | | | | | | Previously once inetdev_init has been called on a device any changes made to ipv4_devconf_dflt would have no effect on that device's configuration. This creates a problem since we have moved the point where inetdev_init is called from when an address is added to where the device is registered. This patch is the first half of a set that tries to mimic the old behaviour while still calling inetdev_init. It propagates any changes to ipv4_devconf_dflt to those devices that have not had the corresponding attribute set. The next patch will forcibly set all values at the point where inetdev_init was previously called. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Convert IPv4 devconf to an arrayHerbert Xu2007-06-07
| | | | | | | | | This patch converts the ipv4_devconf config members (everything except sysctl) to an array. This allows easier manipulation which will be needed later on to provide better management of default config values. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Assorted trivial endianness annotations.Al Viro2006-12-03
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: annotate inetdev.h helpersAl Viro2006-09-28
| | | | | | | | inet_confirm_addr(), inet_ifa_byprefix(), ip_dev_find(), inet_make_mask() and inet_ifa_match() annotated, along with inferred net-endian variables Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: annotate struct in_ifaddrAl Viro2006-09-28
| | | | | | | | | ifa_local, ifa_address, ifa_mask, ifa_broadcast and ifa_anycast are net-endian. Annotated them and variables that are inferred to be net-endian. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: inet_addr_onlink() annotatedAl Viro2006-09-28
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: inet_select_addr() annotationsAl Viro2006-09-28
| | | | | | | | argument and return value are net-endian. Annotated function and inferred net-endian variables in callers. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] ARP: Alloc acceptance of unsolicited ARP via netdevice sysctl.Neil Horman2006-03-21
| | | | | Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnlHerbert Xu2005-10-03
| | | | | | | | | | | | | | | | | | The following patch renames __in_dev_get() to __in_dev_get_rtnl() and introduces __in_dev_get_rcu() to cover the second case. 1) RCU with refcnt should use in_dev_get(). 2) RCU without refcnt should use __in_dev_get_rcu(). 3) All others must hold RTNL and use __in_dev_get_rtnl(). There is one exception in net/ipv4/route.c which is in fact a pre-existing race condition. I've marked it as such so that we remember to fix it. This patch is based on suggestions and prior work by Suzanne Wood and Paul McKenney. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Primary and secondary addressesHarald Welte2005-05-29
| | | | | | | | | Add an option to make secondary IP addresses get promoted when primary IP addresses are removed from the device. It defaults to off to preserve existing behavior. Signed-off-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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