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linux-next/include/net/flow_keys.h
Daniel Borkmann 8ed781668d flow_keys: include thoff into flow_keys for later usage
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>
2013-03-20 12:14:36 -04:00

18 lines
331 B
C

#ifndef _NET_FLOW_KEYS_H
#define _NET_FLOW_KEYS_H
struct flow_keys {
/* (src,dst) must be grouped, in the same way than in IP header */
__be32 src;
__be32 dst;
union {
__be32 ports;
__be16 port16[2];
};
u16 thoff;
u8 ip_proto;
};
extern bool skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow);
#endif