- 16 Apr, 2008 40 commits
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Pavel Emelyanov authored
The alloc_netdev_mq() tries to produce 32-bytes alignment for both the net_device itself and its private data. The second alignment is achieved by adding the NETDEV_ALIGN_CONST to the whole size of the memory to be allocated. However, for those devices that do not need the private area, this addition just makes the net_device weight 1024 + 32 = 1068 bytes, i.e. consume twice as much memory. Since loopback device is such (sizeof_priv == 0 for it), and each net namespace creates one, this can save a noticeable amount of memory for kernel with net namespaces turned on. After this set the lo device is actually allocated from a size-1024 kmem cache on i386 box even with NETPOLL and WIRELESS_EXT turned on. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Denis V. Lunev authored
dev_set_net is called for - just allocated devices - devices moving from one namespace to another release_net has proper check inside to distinguish these cases. Signed-off-by:
Denis V. Lunev <den@openvz.org> Signed-off-by:
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Denis V. Lunev authored
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Denis V. Lunev authored
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Denis V. Lunev authored
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Denis V. Lunev authored
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Denis V. Lunev authored
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Denis V. Lunev authored
Protocol control sockets and netlink kernel sockets should not prevent the namespace stop request. They are initialized and disposed in a special way by sk_change_net/sk_release_kernel. Signed-off-by:
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Denis V. Lunev authored
Make release_net/hold_net noop for performance-hungry people. This is a debug staff and should be used in the debug mode only. Add check for net != NULL in hold/release calls. This will be required later on. [ Added minor simplifications suggested by Brian Haley. -DaveM ] Signed-off-by:
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Pavel Emelyanov authored
And no need in some IPPROTO_XXX enabling, since ipv6 code doesn't have any filtering. So, just set proper net and mark device with NETNS_LOCAL. Signed-off-by:
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Pavel Emelyanov authored
All the ip_route_output_key(), dev_get_by_...() and ipv6_chk_addr() calls are now stubbed with init_net. Fortunately, all the places already have where to get the proper net from. Signed-off-by:
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Pavel Emelyanov authored
Move hashes in the struct ip6_tnl_net, replace tnls_xxx[] with ip6n->tnlx_xxx[] and handle init and exit appropriately. Signed-off-by:
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Pavel Emelyanov authored
All the code, that reference it already has the ip6_tnl_net pointer, so s/ip6_fb_tnl_dev/ip6n->fb_tnl_dev/ and move creation/releasing code into net init/exit ops. Signed-off-by:
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Pavel Emelyanov authored
Calls to ip6_tnl_lookup were stubbed with init_net - give them a proper one. Signed-off-by:
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Pavel Emelyanov authored
Hashes and fallback device used in them will be per-net. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
This makes sit-generated traffic enter the namespace. Signed-off-by:
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Pavel Emelyanov authored
Set proper net and mark a new device as NETNS_LOCAL before registering. Signed-off-by:
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Pavel Emelyanov authored
I.e. replace init_net stubs in ip_route_output_key() calls. Signed-off-by:
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Pavel Emelyanov authored
Just move all the hashes on the sit_net structure and patch the rest of the code appropriately. Signed-off-by:
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Pavel Emelyanov authored
Allocate and register one in sit_init_net, use sitn->fb_tunnel_dev over the code and unregister one in sit_exit_net. Signed-off-by:
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Pavel Emelyanov authored
Replace introduced in the previous patch init_net stubs with the proper net pointer. Signed-off-by:
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Pavel Emelyanov authored
... to make them prepared for future hashes and fallback device move on the struct sit_net. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
This one was also disabled by default for sanity. Signed-off-by:
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Pavel Emelyanov authored
I.e. set the proper net and mark as NETNS_LOCAL. Signed-off-by:
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Pavel Emelyanov authored
As for the IPIP tunnel, there are some ip_route_output_key() calls in there that require a proper net so give one to them. And a proper net for the __get_dev_by_index hanging around. Signed-off-by:
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Pavel Emelyanov authored
Very similar to what was done for the IPIP code. Signed-off-by:
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Pavel Emelyanov authored
Everything is prepared for this change now. Create on in init callback, use it over the code and destroy on net exit. Signed-off-by:
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Pavel Emelyanov authored
This is the part#2 of the patch #2 - get the proper net for these functions. This change in a separate patch in order not to get lost in a large previous patch. Signed-off-by:
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Pavel Emelyanov authored
The fallback device and hashes are to become per-net, but many code doesn't have anything to get the struct net pointer from. So pass the proper net there with an extra argument. Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
This one was disabled by default for sanity. Signed-off-by:
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Pavel Emelyanov authored
Set the proper net before calling register_netdev and disable the tunnel device netns changing. Signed-off-by:
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Pavel Emelyanov authored
There are some ip_route_output_key() calls in there that require a proper net so give one to them. Besides - give a proper net to a single __get_dev_by_index call in ipip_tunnel_bind_dev(). Signed-off-by:
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Pavel Emelyanov authored
Either net or ipip_net already exists in all the required places, so just use one. Besides, tune net_init and net_exit calls to respectively initialize the hashes and destroy devices. Signed-off-by:
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Pavel Emelyanov authored
This is the part#2 of the previous patch - get the proper net for these functions. I make it in a separate patch, so that this change does not get lost in a large previous patch. Signed-off-by:
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Pavel Emelyanov authored
The hashes of tunnels will be per-net too, so prepare all the functions that uses them for this change by adding an argument. Use init_net temporarily in places, where the net does not exist explicitly yet. Signed-off-by:
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Pavel Emelyanov authored
Create on in ipip_init_net(), use it all over the code (the proper place to get the net from already exists) and destroy in ipip_net_exit(). Signed-off-by:
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Pavel Emelyanov authored
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