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| author |   Ole Troan <ot@cisco.com> | 2021-10-12 12:45:08 +0200 |
|---|---|---|
| committer | Ole Troan <ot@cisco.com> | 2021-10-12 12:45:56 +0200 |
| commit | 23a15b34e410def81d4bb3e2c8f28f118b59dc5a (patch) | |
| tree | 2ac28f040d1996487f03fac1c05b103a12ddeb0d /src/plugins/nat/lib/inlines.h | |
| parent | 69b7599e4b061a8996205f0304232ede84cb70d4 (diff) | |
Revert "nat: static mappings in flow hash"
This reverts commit 69b7599e4b061a8996205f0304232ede84cb70d4.
Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: If531b122ae5a9f91c2fe6eaa0da69922a91f16d3
Diffstat (limited to 'src/plugins/nat/lib/inlines.h')
| -rw-r--r-- | src/plugins/nat/lib/inlines.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/plugins/nat/lib/inlines.h b/src/plugins/nat/lib/inlines.h index 46be64d36cf..fe1f7dd27bc 100644 --- a/src/plugins/nat/lib/inlines.h +++ b/src/plugins/nat/lib/inlines.h @@ -20,6 +20,37 @@ #include <vnet/ip/icmp46_packet.h> +always_inline nat_protocol_t +ip_proto_to_nat_proto (u8 ip_proto) +{ + static const nat_protocol_t lookup_table[256] = { + [IP_PROTOCOL_TCP] = NAT_PROTOCOL_TCP, + [IP_PROTOCOL_UDP] = NAT_PROTOCOL_UDP, + [IP_PROTOCOL_ICMP] = NAT_PROTOCOL_ICMP, + [IP_PROTOCOL_ICMP6] = NAT_PROTOCOL_ICMP, + }; + + return lookup_table[ip_proto]; +} + +static_always_inline u8 +nat_proto_to_ip_proto (nat_protocol_t nat_proto) +{ + ASSERT (nat_proto <= NAT_PROTOCOL_ICMP); + + static const u8 lookup_table[256] = { + [NAT_PROTOCOL_OTHER] = ~0, + [NAT_PROTOCOL_TCP] = IP_PROTOCOL_TCP, + [NAT_PROTOCOL_UDP] = IP_PROTOCOL_UDP, + [NAT_PROTOCOL_ICMP] = IP_PROTOCOL_ICMP, + }; + + ASSERT (NAT_PROTOCOL_OTHER == nat_proto || NAT_PROTOCOL_TCP == nat_proto + || NAT_PROTOCOL_UDP == nat_proto || NAT_PROTOCOL_ICMP == nat_proto); + + return lookup_table[nat_proto]; +} + static_always_inline u8 icmp_type_is_error_message (u8 icmp_type) { |