bpf, xdp: various optimizations for nodeport #11082
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If we do not have prefilter configured, then lets spare the cycles and also not have it needlessly compiled in. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Allow GRO to operate naturally rather than potentially breaking a TCP pkt
train in the middle of aggregation due to meta data mismatch. This does
not matter at all in case we do not push up the stack, so do not perform
unneeded work for ctx_act_{drop,tx}. Verified that before we had 24 bytes
in skb meta data and afterwards 0 bytes.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Make use of the meta data feature to signal to the skb layer that we've seen the xdp packet during nodeport handling and that it's a non-service packet where in tc ingress we can then bypass the entire nodeport processing (key extraction, CT lookup, rev NAT) since already done from XDP. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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... which then also shortens cycles on GRO for comparing skbs when aggregating. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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test-me-please |
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test-gke |
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(ci green) |
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