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authorNikita V. Shirokov <tehnerd@tehnerd.com>2018-04-17 21:42:13 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-04-18 23:34:16 +0200
commitb32cc5b9a346319c171e3ad905e0cddda032b5eb (patch)
tree62d96c6e789c8014eef12f363dc27612ab4889d3 /lib
parent0c90f2243ec67eeacf9624ae52ab43c734fe0e93 (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>
Diffstat (limited to 'lib')
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