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netfilter: nat: remove l4proto->unique_tuple

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fold remaining users (icmp, icmpv6, gre) into nf_nat_l4proto_unique_tuple.
The static-save of old incarnation of resolved key in gre and icmp is
removed as well, just use the prandom based offset like the others.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal
2018-12-13 16:01:29 +01:00
committed by Pablo Neira Ayuso
parent 716b23c19e
commit 203f2e7820
6 changed files with 56 additions and 134 deletions
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11
include/net/netfilter/nf_nat_l4proto.h
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@@ -27,17 +27,6 @@ struct nf_nat_l4proto {
const union nf_conntrack_man_proto *min,
const union nf_conntrack_man_proto *max);
/* Alter the per-proto part of the tuple (depending on
* maniptype), to give a unique tuple in the given range if
* possible. Per-protocol part of tuple is initialized to the
* incoming packet.
*/
void (*unique_tuple)(const struct nf_nat_l3proto *l3proto,
struct nf_conntrack_tuple *tuple,
const struct nf_nat_range2 *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct);
int (*nlattr_to_range)(struct nlattr *tb[],
struct nf_nat_range2 *range);
};