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bpf, skb_do_redirect: clear sender_cpu before xmit
Similar to commitc29390c6df
("xps: must clear sender_cpu before forwarding"), we also need to clear the skb->sender_cpu when moving from RX to TX via skb_do_redirect() due to the shared location of napi_id (used on RX) and sender_cpu (used on TX). Fixes:27b29f6305
("bpf: add bpf_redirect() helper") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1462,6 +1462,7 @@ int skb_do_redirect(struct sk_buff *skb)
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return dev_forward_skb(dev, skb);
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return dev_forward_skb(dev, skb);
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skb->dev = dev;
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skb->dev = dev;
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skb_sender_cpu_clear(skb);
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return dev_queue_xmit(skb);
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return dev_queue_xmit(skb);
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}
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}
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