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8ed781668d
In skb_flow_dissect(), we perform a dissection of a skbuff. Since we're doing the work here anyway, also store thoff for a later usage, e.g. in the BPF filter. Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
18 lines
331 B
C
18 lines
331 B
C
#ifndef _NET_FLOW_KEYS_H
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#define _NET_FLOW_KEYS_H
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struct flow_keys {
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/* (src,dst) must be grouped, in the same way than in IP header */
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__be32 src;
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__be32 dst;
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union {
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__be32 ports;
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__be16 port16[2];
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};
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u16 thoff;
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u8 ip_proto;
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};
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extern bool skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow);
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#endif
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