netfilter: change generic l4 protocol number
0 is used by Hop-by-hop header and so this may cause confusion. 255 is stated as 'Reserved' by IANA. Signed-off-by: Christoph Paasch <christoph.paasch@student.uclouvain.be> Signed-off-by: Patrick McHardy <kaber@trash.net>
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@ -92,7 +92,7 @@ static struct ctl_table generic_compat_sysctl_table[] = {
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struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
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{
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.l3proto = PF_UNSPEC,
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.l4proto = 0,
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.l4proto = 255,
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.name = "unknown",
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.pkt_to_tuple = generic_pkt_to_tuple,
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.invert_tuple = generic_invert_tuple,
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