tools/bpftool: copy a few net uapi headers to tools directory
Commit f6f3bac0 ("tools/bpf: bpftool: add net support") added certain networking support to bpftool. The implementation relies on a relatively recent uapi header file linux/tc_act/tc_bpf.h on the host which contains the marco definition of TCA_ACT_BPF_ID. Unfortunately, this is not the case for all distributions. See the email message below where rhel-7.2 does not have an up-to-date linux/tc_act/tc_bpf.h. https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1799211.html Further investigation found that linux/pkt_cls.h is also needed for macro TCA_BPF_TAG. This patch fixed the issue by copying linux/tc_act/tc_bpf.h and linux/pkt_cls.h from kernel include/uapi directory to tools/include/uapi directory so building the bpftool does not depend on host system for these files. Fixes: f6f3bac0 ("tools/bpf: bpftool: add net support") Reported-by:kernel test robot <rong.a.chen@intel.com> Cc: Li Zhijian <zhijianx.li@intel.com> Signed-off-by:
Yonghong Song <yhs@fb.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net>
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