samples/bpf: Add support for SKB_MODE to xdp1 and xdp_tx_iptunnel
Add option to xdp1 and xdp_tx_iptunnel to insert xdp program in SKB_MODE: - update set_link_xdp_fd to take a flags argument that is added to the RTM_SETLINK message - Add -S option to xdp1 and xdp_tx_iptunnel user code. When passed in XDP_FLAGS_SKB_MODE is set in the flags arg passed to set_link_xdp_fd Signed-off-by:David Ahern <dsa@cumulusnetworks.com> Acked-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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