| commit | b32cc5b9a346319c171e3ad905e0cddda032b5eb | [log] [tgz] |
|---|---|---|
| author | Nikita V. Shirokov <tehnerd@tehnerd.com> | Tue Apr 17 21:42:13 2018 -0700 |
| committer | Daniel Borkmann <daniel@iogearbox.net> | Wed Apr 18 23:34:16 2018 +0200 |
| tree | 62d96c6e789c8014eef12f363dc27612ab4889d3 | |
| parent | 0c90f2243ec67eeacf9624ae52ab43c734fe0e93 [diff] |
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 <tehnerd@tehnerd.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>