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author	Remi Gacogne <remi.gacogne@powerdns.com>
	Thu, 16 Jun 2016 10:29:31 +0000 (12:29 +0200)
committer	Remi Gacogne <remi.gacogne@powerdns.com>
	Thu, 16 Jun 2016 12:12:12 +0000 (14:12 +0200)
commit	d45189b7f898bd8702e7b51947ed6b885860d7e3
tree	07a9ca75862a2635234d0bed8402b98796d1df49	tree \| snapshot
parent	87b515ed042fc042df83e8601f8b2a36a462a32c	commit \| diff

eBPF: eBPF case-insensitive qname filtering

Split address and qname filtering into separate functions,
process the first bytes of the qname in the first function
to keep the second one under 4096 instructions.
The `imm` field of `struct bpf_insn` is signed, fix the cast.
Wrap FDs so they are released when we throw an exception in the ctor.

12 files changed:

ext/libbpf/libbpf.h		diff \| blob \| blame \| history
pdns/README-dnsdist.md		diff \| blob \| blame \| history
pdns/bpf-filter.cc		diff \| blob \| blame \| history
pdns/bpf-filter.ebpf	[deleted file]	blob \| blame \| history
pdns/bpf-filter.ebpf.src		diff \| blob \| blame \| history
pdns/bpf-filter.hh		diff \| blob \| blame \| history
pdns/bpf-filter.main.ebpf	[new file with mode: 0644]	blob
pdns/bpf-filter.qname.ebpf	[new file with mode: 0644]	blob
pdns/dnsdistdist/Makefile.am		diff \| blob \| blame \| history
pdns/dnsdistdist/bpf-filter.ebpf	[deleted symlink]	blob \| blame \| history
pdns/dnsdistdist/bpf-filter.main.ebpf	[new symlink]	blob
pdns/dnsdistdist/bpf-filter.qname.ebpf	[new symlink]	blob

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