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[NETFILTER] ctnetlink: add one nesting level for TCP state

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To keep consistency, the TCP private protocol information is nested
attributes under CTA_PROTOINFO_TCP. This way the sequence of attributes to
access the TCP state information looks like here below:

CTA_PROTOINFO
CTA_PROTOINFO_TCP
CTA_PROTOINFO_TCP_STATE

instead of:

CTA_PROTOINFO
CTA_PROTOINFO_TCP_STATE

Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Harald Welte <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Pablo Neira Ayuso 2005-10-10 20:55:49 -07:00 • committed by David S. Miller
commit e1c73b78e3
2 changed files with 12 additions and 1 deletions
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4
net/ipv4/netfilter/ip_conntrack_proto_tcp.c
View file

@ -341,11 +341,15 @@ static int tcp_print_conntrack(struct seq_file *s,
static int tcp_to_nfattr(struct sk_buff *skb, struct nfattr *nfa,
const struct ip_conntrack *ct)
{
struct nfattr *nest_parms = NFA_NEST(skb, CTA_PROTOINFO_TCP);
read_lock_bh(&tcp_lock);
NFA_PUT(skb, CTA_PROTOINFO_TCP_STATE, sizeof(u_int8_t),
&ct->proto.tcp.state);
read_unlock_bh(&tcp_lock);
NFA_NEST_END(skb, nest_parms);
return 0;
nfattr_failure: