![]() I mean that I think made netmap in the correct way but when I try some test with pkt-gen I get the following results : Vermagic: 3.16.7-29-desktop SMP preempt mod_unload modversions for example output for veth module built with the framework and copied to the kernel drivers directory :įilename: /lib/modules/3.16.7-29-desktop/kernel/drivers/net/veth.ko I have successfully build netmap and driver and modules, and loaded them. ![]() but found that your framework maybe my only chose, because my setup is in virtual network and i need high speed packet generation on veth interfaces. #define to_net_dev(d) container_of(d, struct net_device, dev)ĭiff -git a/include/net/ip.h b/include/net/ip.I have spend weeks of time on search of how to do a high speed packet generation in the internet. * max exchange id for FCoE LRO by ddp */ To specify a numerical zone for each interface, connections in differentĭiff -git a/include/linux/netdevice.h b/include/linux/netdevice.h Normally, each connection needs a unique identity. Netfilter: nf_conntrack: add support for "conntrack zones" Code size increase withĪll netfilter options enabled on x86_64 is 152 bytes.Ĭommit 7f68e7aa55f9e1f9dfd647b60dace4149f27ae1f Passing and an occasional extra comparison. the overhead should be quite small, its mainly the extra argument Passed around (something like 40 lines total), but has the downside Simplifies the changes to the code since the zone doesn't has to Patch adds the zone identifier to the conntrack tuples. the patch uses ct_extend to avoid increasing the connection trackingĮntry size when this feature is not used. Missing), I wanted to have a discussion about the general idea first. its not entirely finished yet (ctnetlink and xt_connlimit are Having partially shared network namespaces wouldīe great, but it doesn't seem to fit in the design very well. I'm not too fond of this partial feature duplication myself, but IĬouldn't think of a better way to do this without the downsides of Overhead, especially when used with a large conntrack table. In the initial namespace, network namespaces have a quite large Network namespaces is that its an all-or-nothing approach, you can't ![]() Something like this, with multiple tunl and veth devices, each pairĪs probably everyone has noticed, this is quite similar to what youĬan do using network namespaces. Unique address, after which they can pass through the "main" zone andīe handled like regular non-clashing packets and/or have NAT applied a The packets through a set of veth devices and SNAT each network to a The same addresses (which unfortunately happens occasionally) to pass This is mainly useful when connecting multiple private networks using Target for the raw table could be used alternatively to the networkĭevice for assigning conntrack entries to zones. It is used to seperate conntrack defragmentation queues. Which are virtual conntrack tables that can be used to seperateĬonnections from different zones, allowing to handle multipleĬonnections with equal identities in conntrack and NAT.Ī zone is simply a numerical identifier associated with a networkĭevice that is incorporated into the various hashes and used toĭistinguish entries in addition to the connection tuples. The attached largish patch adds support for "conntrack zones", To: Netfilter Development Mailinglist +Cc: Linux Netdev List, containers ![]() RFC: netfilter: nf_conntrack: add support for "conntrack zones" All of help / color / mirror / Atom feed * RFC: netfilter: nf_conntrack: add support for "conntrack zones" 14:05 Patrick McHardyĠ siblings, 2 replies 183+ messages in threadįrom: Patrick McHardy 14:05 UTC ( / raw) ![]()
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