Re: [PATCH net-next] bpf: introduce bpf_clone_redirect() helper
On 6/3/15 11:45 PM, Or Gerlitz wrote: On Thu, Jun 4, 2015 at 6:17 AM, David Miller da...@davemloft.net wrote: From: Alexei Starovoitov a...@plumgrid.com Date: Tue, 2 Jun 2015 16:03:14 -0700 Allow eBPF programs attached to classifier/actions to call bpf_clone_redirect(skb, ifindex, flags) helper which will mirror or redirect the packet by dynamic ifindex selection from within the program to a target device either at ingress or at egress. Can be used for various scenarios, for example, to load balance skbs into veths, split parts of the traffic to local taps, etc. Signed-off-by: Alexei Starovoitov a...@plumgrid.com Acked-by: Daniel Borkmann dan...@iogearbox.net Applied, thanks. build fails on my setup... CC [M] net/core/pktgen.o net/core/filter.c: In function 'bpf_clone_redirect': net/core/filter.c:1429: error: 'struct sk_buff' has no member named 'tc_verd' you use skb-tc_verd but this code snippest goes along without being dependent on CONFIG_NET_CLS_ACT sorry. my bad. will get it fixed asap. -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH net-next] bpf: introduce bpf_clone_redirect() helper
On Thu, Jun 4, 2015 at 6:17 AM, David Miller da...@davemloft.net wrote: From: Alexei Starovoitov a...@plumgrid.com Date: Tue, 2 Jun 2015 16:03:14 -0700 Allow eBPF programs attached to classifier/actions to call bpf_clone_redirect(skb, ifindex, flags) helper which will mirror or redirect the packet by dynamic ifindex selection from within the program to a target device either at ingress or at egress. Can be used for various scenarios, for example, to load balance skbs into veths, split parts of the traffic to local taps, etc. Signed-off-by: Alexei Starovoitov a...@plumgrid.com Acked-by: Daniel Borkmann dan...@iogearbox.net Applied, thanks. build fails on my setup... CC [M] net/core/pktgen.o net/core/filter.c: In function 'bpf_clone_redirect': net/core/filter.c:1429: error: 'struct sk_buff' has no member named 'tc_verd' you use skb-tc_verd but this code snippest goes along without being dependent on CONFIG_NET_CLS_ACT -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH net-next] bpf: introduce bpf_clone_redirect() helper
From: Alexei Starovoitov a...@plumgrid.com Date: Tue, 2 Jun 2015 16:03:14 -0700 Allow eBPF programs attached to classifier/actions to call bpf_clone_redirect(skb, ifindex, flags) helper which will mirror or redirect the packet by dynamic ifindex selection from within the program to a target device either at ingress or at egress. Can be used for various scenarios, for example, to load balance skbs into veths, split parts of the traffic to local taps, etc. Signed-off-by: Alexei Starovoitov a...@plumgrid.com Acked-by: Daniel Borkmann dan...@iogearbox.net Applied, thanks. -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
