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authorToshiaki Makita <makita.toshiaki@lab.ntt.co.jp>2018-07-06 11:49:00 +0900
committerAlexei Starovoitov <ast@kernel.org>2018-07-07 15:25:35 -0700
commitd8d7218ad842e18fc6976b87c08ed749e8d56313 (patch)
tree57cdc7f8d2c55996b0ca1b6e74a8de8fa997b29f /include/net
parent4fb126cbcbd6870851f0b3ba503e8ec0e66b9dd5 (diff)
download96b-common-d8d7218ad842e18fc6976b87c08ed749e8d56313.tar.gz
xdp: XDP_REDIRECT should check IFF_UP and MTU
Otherwise we end up with attempting to send packets from down devices or to send oversized packets, which may cause unexpected driver/device behaviour. Generic XDP has already done this check, so reuse the logic in native XDP. Fixes: 814abfabef3c ("xdp: add bpf_redirect helper function") Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/net')
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