Re: [PATCH bpf-next v3 01/11] bpf: adding bpf_xdp_adjust_tail helper

On Tue, Apr 17, 2018 at 09:42:13PM -0700, Nikita V. Shirokov wrote: > Adding new bpf helper which would allow us to manipulate > xdp's data_end pointer, and allow us to reduce packet's size > indended use case: to generate ICMP messages from XDP context, > where such message would contain

[PATCH bpf-next v3 01/11] bpf: adding bpf_xdp_adjust_tail helper

Adding new bpf helper which would allow us to manipulate xdp's data_end pointer, and allow us to reduce packet's size indended use case: to generate ICMP messages from XDP context, where such message would contain truncated original packet. Signed-off-by: Nikita V. Shirokov