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authorJuraj Sloboda <jsloboda@cisco.com>2018-04-10 13:51:54 +0200
committerDamjan Marion <dmarion.lists@gmail.com>2018-04-19 10:35:13 +0000
commit1e5c07d379a092f4829e7081aa962d013b31fdfc (patch)
tree1b1a3c386663b3356773cf374b55a64f14d43709 /src/plugins/nat/nat44_cli.c
parentb14826e459302556febb391456ea90644278645a (diff)
Add special Twice-NAT feature (VPP-1221)
When enabled then Twice-NAT is applied only when source IP equals destination IP after DNAT Change-Id: I58a9d1d222b2a10c83eafffb2107f32c1b4aa3a8 Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat44_cli.c')
-rw-r--r--src/plugins/nat/nat44_cli.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c
index da97a801b7f..2f1e9a019ac 100644
--- a/src/plugins/nat/nat44_cli.c
+++ b/src/plugins/nat/nat44_cli.c
@@ -501,7 +501,7 @@ add_static_mapping_command_fn (vlib_main_t * vm,
int rv;
snat_protocol_t proto = ~0;
u8 proto_set = 0;
- u8 twice_nat = 0;
+ twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
u8 out2in_only = 0;
if (sm->deterministic)
@@ -538,7 +538,9 @@ add_static_mapping_command_fn (vlib_main_t * vm,
else if (unformat (line_input, "%U", unformat_snat_protocol, &proto))
proto_set = 1;
else if (unformat (line_input, "twice-nat"))
- twice_nat = 1;
+ twice_nat = TWICE_NAT;
+ else if (unformat (line_input, "self-twice-nat"))
+ twice_nat = TWICE_NAT_SELF;
else if (unformat (line_input, "out2in-only"))
out2in_only = 1;
else if (unformat (line_input, "del"))
@@ -688,7 +690,7 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm,
snat_protocol_t proto;
u8 proto_set = 0;
nat44_lb_addr_port_t *locals = 0, local;
- u8 twice_nat = 0;
+ twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
u8 out2in_only = 0;
if (sm->deterministic)
@@ -718,7 +720,9 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm,
&proto))
proto_set = 1;
else if (unformat (line_input, "twice-nat"))
- twice_nat = 1;
+ twice_nat = TWICE_NAT;
+ else if (unformat (line_input, "self-twice-nat"))
+ twice_nat = TWICE_NAT_SELF;
else if (unformat (line_input, "out2in-only"))
out2in_only = 1;
else if (unformat (line_input, "del"))
@@ -1584,7 +1588,8 @@ VLIB_CLI_COMMAND (add_static_mapping_command, static) = {
.function = add_static_mapping_command_fn,
.short_help =
"nat44 add static mapping tcp|udp|icmp local <addr> [<port>] "
- "external <addr> [<port>] [vrf <table-id>] [twice-nat] [out2in-only] [del]",
+ "external <addr> [<port>] [vrf <table-id>] [twice-nat|self-twice-nat] "
+ "[out2in-only] [del]",
};
/*?
@@ -1622,8 +1627,8 @@ VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = {
.function = add_lb_static_mapping_command_fn,
.short_help =
"nat44 add load-balancing static mapping protocol tcp|udp "
- "external <addr>:<port> local <addr>:<port> probability <n> [twice-nat] "
- "[vrf <table-id>] [out2in-only] [del]",
+ "external <addr>:<port> local <addr>:<port> probability <n> "
+ "[twice-nat|self-twice-nat] [vrf <table-id>] [out2in-only] [del]",
};
/*?