AuxXxilium/linux_dsm_epyc7002
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3 Commits

Author SHA1 Message Date
Stanislav Fomichev
108d50a976 selftests/bpf: rename flow dissector section to flow_dissector 
Makes it compatible with the logic that derives program type
from section name in libbpf_prog_type_by_name.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2018-11-10 15:56:10 -08:00
Alexei Starovoitov
70e88c758a selftests/bpf: fix bpf_flow.c build 
fix the following build error:
clang -I. -I./include/uapi -I../../../include/uapi -idirafter /usr/local/include -idirafter /data/users/ast/llvm/bld/lib/clang/7.0.0/include -idirafter /usr/include -Wno-compare-distinct-pointer-types \
	 -O2 -target bpf -emit-llvm -c bpf_flow.c -o - |      \
llc -march=bpf -mcpu=generic  -filetype=obj -o /data/users/ast/bpf-next/tools/testing/selftests/bpf/bpf_flow.o
LLVM ERROR: 'dissect' label emitted multiple times to assembly file
make: *** [/data/users/ast/bpf-next/tools/testing/selftests/bpf/bpf_flow.o] Error 1

Fixes: 9c98b13cc3 ("flow_dissector: implements eBPF parser")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2018-09-14 12:09:05 -07:00
Petar Penkov
9c98b13cc3 flow_dissector: implements eBPF parser 
This eBPF program extracts basic/control/ip address/ports keys from
incoming packets. It supports recursive parsing for IP encapsulation,
and VLAN, along with IPv4/IPv6 and extension headers.  This program is
meant to show how flow dissection and key extraction can be done in
eBPF.

Link: http://vger.kernel.org/netconf2017_files/rx_hardening_and_udp_gso.pdf
Signed-off-by: Petar Penkov <ppenkov@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2018-09-14 12:04:33 -07:00