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6 Commits

Author SHA1 Message Date
Vincent Li
3d6baf8905 fix: erroneous bitmask operation 
In kernel selftest/bpf xdp synproxy has:
[0] b6a3451e084 (selftests/bpf: Fix erroneous bitmask operation)
sync the fix here.

It addresses an issue when xdp synproxy need to handle SYNACK
from backend server, see [1].

[0]: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=b6a3451e0847
[1]: https://lore.kernel.org/xdp-newbies/CAK3+h2z1r69Z5g+qTwCaJzgnD5sv93x67TLJ3gVQ70_nFE0AqQ@mail.gmail.com/T/#t

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
 2023-12-11 23:44:46 +00:00
Vincent Li
fed8da5072 Add xdp-synproxy to bpf-examples 
this code is from kernel bpf selftests xdp synproxy, removed the
tc part for simplicity, shows an exmaple of using libxdp
to attach xdp synproxy program on network interface.

if port is not in allowed ports, the packet will be dropped
by xdp synproxy by default, this would break tcp connections
to ports that user does not want to do synproxy, change the
default to allow connection pass through.

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
 2023-10-26 19:01:49 +00:00
Jesper Dangaard Brouer
7a845a0901 ktrace-CO-RE: Fix compile failure due to missing vmlinux_arch.h 
Fixes pull request #24

I had forgot to git add headers/vmlinux/vmlinux_arch.h in PR#24
which caused compile failures for ktrace-CO-RE.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
 2021-08-25 08:48:51 +02:00
Jesper Dangaard Brouer
ff5fef3dc9 headers/vmlinux: Add more archs powerpc and arm64 
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
 2021-06-01 17:05:28 +02:00
Jesper Dangaard Brouer
064bc31354 headers/vmlinux: Add arch specific vmlinux.h defines 
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
 2021-06-01 16:23:33 +02:00
Jesper Dangaard Brouer
f34f8d5787 headers/vmlinux: Add header files to shadow vmlinux.h 
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
 2021-06-01 16:23:08 +02:00