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2008-12-11netns: ip6mr: enable namespace support in ipv6 multicast forwarding codeBenjamin Thery1-1/+2
This last patch makes the appropriate changes to use and propagate the network namespace where needed in IPv6 multicast forwarding code. This consists mainly in replacing all the remaining init_net occurences with current netns pointer retrieved from sockets, net devices or mfc6_caches depending on the routines' contexts. Some routines receive a new 'struct net' parameter to propagate the current netns: * ip6mr_get_route * ip6mr_cache_report * ip6mr_cache_find * ip6mr_cache_unresolved * mif6_add/mif6_delete * ip6mr_mfc_add/ip6mr_mfc_delete * ip6mr_reg_vif All the IPv6 multicast forwarding variables moved to struct netns_ipv6 by the previous patches are now referenced in the correct namespace. Changelog: ========== * Take into account the net associated to mfc6_cache when matching entries in mfc_unres_queue list. * Call mroute_clean_tables() in ip6mr_net_exit() to free memory allocated per-namespace. * Call dev_net_set() in ip6mr_reg_vif() to initialize dev->nd_net correctly. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-11netns: ip6mr: store netns in struct mfc6_cacheBenjamin Thery1-0/+15
This patch stores into struct mfc6_cache the network namespace each mfc6_cache belongs to. The new member is mfc6_net. mfc6_net is assigned at cache allocation and doesn't change during the rest of the cache entry life. This will help to retrieve the current netns around the IPv6 multicast forwarding code. At the moment, all mfc6_cache are allocated in init_net. Changelog: ========== * Use write_pnet()/read_pnet() to set and get mfc6_net. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-11netns: ip6mr: allocate mroute6_socket per-namespace.Benjamin Thery1-2/+6
Preliminary work to make IPv6 multicast forwarding netns-aware. Make IPv6 multicast forwarding mroute6_socket per-namespace, moves it into struct netns_ipv6. At the moment, mroute6_socket is only referenced in init_net. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-30net: Unbreak userspace usage of linux/mroute.hDavid S. Miller1-0/+1
Nothing in linux/pim.h should be exported to userspace. This should fix the XORP build failure reported by Jose Calhariz, the debain package maintainer. Nothing originally in linux/mroute.h was exported to userspace ever, but some of this stuff started to be when it was moved into this new linux/pim.h, and that was wrong. If we didn't provide these definitions for 10 years we can reasonably expect that applications defined this stuff locally or used GLIBC headers providing the protocol definitions. And as such the only result of this can be conflict and userland build breakage. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-03ipv4,ipv6 mroute: Add some helper inline functions to remove ugly ifdefs.YOSHIFUJI Hideaki1-0/+32
ip{,v6}_mroute_{set,get}sockopt() should not matter by optimization but it would be better not to depend on optimization semantically. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-07-03ipv6: Do cleanup for ip6_mr_init.Wang Chen1-1/+2
If do not do it, we will get following issues: 1. Leaving junks after inet6_init failing halfway. 2. Leaving proc and notifier junks after ipv6 modules unloading. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-14[IPV6] MROUTE: Do not call ipv6_find_idev() directly.YOSHIFUJI Hideaki1-3/+0
Since NETDEV_REGISTER notifier chain is responsible for creating inet6_dev{}, we do not need to call ipv6_find_idev() directly here. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-05[IPV6] MROUTE: Support PIM-SM (SSM).YOSHIFUJI Hideaki1-0/+4
Based on ancient patch by Mickael Hoerdt <hoerdt@clarinet.u-strasbg.fr>, which is available at <http://www-r2.u-strasbg.fr/~hoerdt/dev/linux_ipv6_mforwarding/patch-linux-ipv6-mforwarding-0.1a>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-05[IPV6] MROUTE: Support multicast forwarding.YOSHIFUJI Hideaki1-0/+227
Based on ancient patch by Mickael Hoerdt <hoerdt@clarinet.u-strasbg.fr>, which is available at <http://www-r2.u-strasbg.fr/~hoerdt/dev/linux_ipv6_mforwarding/patch-linux-ipv6-mforwarding-0.1a>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>