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authorKlement Sekera <ksekera@cisco.com>2020-05-11 08:58:05 +0000
committerOle Trøan <otroan@employees.org>2020-05-13 11:36:42 +0000
commitbc752e432ff3e252f6e1a3f0372c9532f14909cd (patch)
tree5399347c1e469d21529a0bc20ffd2d0783434e40 /src/plugins/nat/lib/lib.h
parent1d61c2194d21df2003ff07ff5feae4130de6277e (diff)
nat: perf improvement - replace branchy code
Use a lookup table instead. Type: improvement Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: Ia8461099828bb8824bf016201f135e6b69c444d1
Diffstat (limited to 'src/plugins/nat/lib/lib.h')
-rw-r--r--src/plugins/nat/lib/lib.h21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/plugins/nat/lib/lib.h b/src/plugins/nat/lib/lib.h
index 005db81b4a3..bd1c43338e6 100644
--- a/src/plugins/nat/lib/lib.h
+++ b/src/plugins/nat/lib/lib.h
@@ -19,16 +19,11 @@
#ifndef included_nat_lib_h__
#define included_nat_lib_h__
-#define foreach_nat_error \
- _(VALUE_EXIST, -1, "Value already exists") \
- _(NO_SUCH_ENTRY, -2, "No such entry") \
- _(UNKNOWN_PROTOCOL, -3, "Unknown protocol") \
- _(OUT_OF_TRANSLATIONS, -4, "Out of translations")
-
-#define foreach_nat_protocol \
- _(UDP, 0, udp, "udp") \
- _(TCP, 1, tcp, "tcp") \
- _(ICMP, 2, icmp, "icmp")
+#define foreach_nat_error \
+ _ (VALUE_EXIST, -1, "Value already exists") \
+ _ (NO_SUCH_ENTRY, -2, "No such entry") \
+ _ (UNKNOWN_PROTOCOL, -3, "Unknown protocol") \
+ _ (OUT_OF_TRANSLATIONS, -4, "Out of translations")
typedef enum
{
@@ -37,6 +32,12 @@ typedef enum
#undef _
} nat_error_t;
+#define foreach_nat_protocol \
+ _ (OTHER, 0, other, "other") \
+ _ (UDP, 1, udp, "udp") \
+ _ (TCP, 2, tcp, "tcp") \
+ _ (ICMP, 3, icmp, "icmp")
+
typedef enum
{
#define _(N, i, n, s) NAT_PROTOCOL_##N = i,