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| author | David Ahern <dsahern@gmail.com> | 2018-05-09 20:34:27 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-11 00:10:57 +0200 |
| commit | fe616055f78457a0b78e0d3693d1ae26f2d7dab3 (patch) | |
| tree | 2bab4dd9bff8b85508549c97886d92d82d7c22e1 /samples/bpf/Makefile | |
| parent | 87f5fc7e48dd3175b30dd03b41564e1a8e136323 (diff) | |
| download | linux-stable-fe616055f78457a0b78e0d3693d1ae26f2d7dab3.tar.gz linux-stable-fe616055f78457a0b78e0d3693d1ae26f2d7dab3.tar.bz2 linux-stable-fe616055f78457a0b78e0d3693d1ae26f2d7dab3.zip | |
samples/bpf: Add example of ipv4 and ipv6 forwarding in XDP
Simple example of fast-path forwarding. It has a serious flaw
in not verifying the egress device index supports XDP forwarding.
If the egress device does not packets are dropped.
Take this only as a simple example of fast-path forwarding.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'samples/bpf/Makefile')
| -rw-r--r-- | samples/bpf/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 8e0c7fb6d7cc..28513d6be1bf 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -46,6 +46,7 @@ hostprogs-y += syscall_tp hostprogs-y += cpustat hostprogs-y += xdp_adjust_tail hostprogs-y += xdpsock +hostprogs-y += xdp_fwd # Libbpf dependencies LIBBPF := ../../tools/lib/bpf/bpf.o ../../tools/lib/bpf/nlattr.o @@ -100,6 +101,7 @@ syscall_tp-objs := bpf_load.o $(LIBBPF) syscall_tp_user.o cpustat-objs := bpf_load.o $(LIBBPF) cpustat_user.o xdp_adjust_tail-objs := bpf_load.o $(LIBBPF) xdp_adjust_tail_user.o xdpsock-objs := bpf_load.o $(LIBBPF) xdpsock_user.o +xdp_fwd-objs := bpf_load.o $(LIBBPF) xdp_fwd_user.o # Tell kbuild to always build the programs always := $(hostprogs-y) @@ -154,6 +156,7 @@ always += syscall_tp_kern.o always += cpustat_kern.o always += xdp_adjust_tail_kern.o always += xdpsock_kern.o +always += xdp_fwd_kern.o HOSTCFLAGS += -I$(objtree)/usr/include HOSTCFLAGS += -I$(srctree)/tools/lib/ @@ -201,6 +204,7 @@ HOSTLOADLIBES_syscall_tp += -lelf HOSTLOADLIBES_cpustat += -lelf HOSTLOADLIBES_xdp_adjust_tail += -lelf HOSTLOADLIBES_xdpsock += -lelf -pthread +HOSTLOADLIBES_xdp_fwd += -lelf # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang |