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authorMatus Fabian <matfabia@cisco.com>2017-02-10 03:48:01 -0800
committerOle Trøan <otroan@employees.org>2017-03-07 12:47:12 +0000
commit066f034b903bda6e938bec1b12f01edef65ee9c4 (patch)
treeddb4a1eb0878fe7ac58f25056f3bb7c6ad0bae3a /src/plugins/snat/snat_test.c
parenteab38d91e8db5ad271598a63781a7afa3bd8b5ea (diff)
CGN: Deterministic NAT (VPP-623)
Inside user is statically mapped to a set of outside ports. Support endpoint dependent mapping to deal with overloading of the outside ports. Change-Id: I8014438744597a976f8ae459283e8b91f63b7f72 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/snat/snat_test.c')
-rw-r--r--src/plugins/snat/snat_test.c129
1 files changed, 126 insertions, 3 deletions
diff --git a/src/plugins/snat/snat_test.c b/src/plugins/snat/snat_test.c
index c97b813e24e..c60554b21d5 100644
--- a/src/plugins/snat/snat_test.c
+++ b/src/plugins/snat/snat_test.c
@@ -66,7 +66,8 @@ _(snat_interface_add_del_feature_reply) \
_(snat_add_static_mapping_reply) \
_(snat_set_workers_reply) \
_(snat_add_del_interface_addr_reply) \
-_(snat_ipfix_enable_disable_reply)
+_(snat_ipfix_enable_disable_reply) \
+_(snat_add_det_map_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
@@ -106,7 +107,10 @@ _(SNAT_INTERFACE_ADDR_DETAILS, snat_interface_addr_details) \
_(SNAT_IPFIX_ENABLE_DISABLE_REPLY, \
snat_ipfix_enable_disable_reply) \
_(SNAT_USER_DETAILS, snat_user_details) \
-_(SNAT_USER_SESSION_DETAILS, snat_user_session_details)
+_(SNAT_USER_SESSION_DETAILS, snat_user_session_details) \
+_(SNAT_ADD_DET_MAP_REPLY, snat_add_det_map_reply) \
+_(SNAT_DET_FORWARD_REPLY, snat_det_forward_reply) \
+_(SNAT_DET_REVERSE_REPLY, snat_det_reverse_reply)
static int api_snat_add_address_range (vat_main_t * vam)
{
@@ -719,6 +723,121 @@ static int api_snat_user_dump(vat_main_t * vam)
return ret;
}
+static int api_snat_add_det_map (vat_main_t * vam)
+{
+ unformat_input_t * i = vam->input;
+ vl_api_snat_add_det_map_t * mp;
+ ip4_address_t in_addr, out_addr;
+ u32 in_plen, out_plen;
+ u8 is_add = 1;
+ int ret;
+
+ if (unformat (i, "in %U/%d out %U/%d",
+ unformat_ip4_address, &in_addr, &in_plen,
+ unformat_ip4_address, &out_addr, &out_plen))
+ ;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+
+ M(SNAT_ADD_DET_MAP, mp);
+ clib_memcpy(mp->in_addr, &in_addr, 4);
+ mp->in_plen = in_plen;
+ clib_memcpy(mp->out_addr, &out_addr, 4);
+ mp->out_plen = out_plen;
+ mp->is_add = is_add;
+
+ S(mp);
+ W (ret);
+ return ret;
+}
+
+static void vl_api_snat_det_forward_reply_t_handler
+ (vl_api_snat_det_forward_reply_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+ i32 retval = ntohl(mp->retval);
+
+ if (retval >= 0)
+ {
+ fformat (vam->ofp, "outside address %U", format_ip4_address, &mp->out_addr);
+ fformat (vam->ofp, " outside port range start %d", ntohs(mp->out_port_lo));
+ fformat (vam->ofp, " outside port range end %d\n", ntohs(mp->out_port_hi));
+ }
+
+ vam->retval = retval;
+ vam->result_ready = 1;
+}
+
+static int api_snat_det_forward (vat_main_t * vam)
+{
+ unformat_input_t * i = vam->input;
+ vl_api_snat_det_forward_t * mp;
+ ip4_address_t in_addr;
+ int ret;
+
+ if (unformat (i, "%U", unformat_ip4_address, &in_addr))
+ ;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+
+ M(SNAT_DET_FORWARD, mp);
+ clib_memcpy(mp->in_addr, &in_addr, 4);
+
+ S(mp);
+ W(ret);
+ return ret;
+}
+
+static void vl_api_snat_det_reverse_reply_t_handler
+ (vl_api_snat_det_reverse_reply_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+ i32 retval = ntohl(mp->retval);
+
+ if (retval >= 0)
+ {
+ fformat (vam->ofp, "inside address %U\n", format_ip4_address, &mp->in_addr);
+ }
+
+ vam->retval = retval;
+ vam->result_ready = 1;
+}
+
+static int api_snat_det_reverse (vat_main_t * vam)
+{
+ unformat_input_t * i = vam->input;
+ vl_api_snat_det_reverse_t * mp;
+ ip4_address_t out_addr;
+ u16 out_port;
+ int ret;
+
+ if (unformat (i, "%U %d", unformat_ip4_address, &out_addr, &out_port))
+ ;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+
+ M(SNAT_DET_REVERSE, mp);
+ clib_memcpy(mp->out_addr, &out_addr, 4);
+ mp->out_port = htons(out_port);
+
+ S(mp);
+ W(ret);
+ return ret;
+}
+
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
@@ -743,7 +862,11 @@ _(snat_interface_addr_dump, "") \
_(snat_ipfix_enable_disable, "[domain <id>] [src_port <n>] " \
"[disable]") \
_(snat_user_dump, "") \
-_(snat_user_session_dump, "ip_address <ip> vrf_id <table-id>")
+_(snat_user_session_dump, "ip_address <ip> vrf_id <table-id>") \
+_(snat_add_det_map, "in <in_addr>/<in_plen> out " \
+ "<out_addr>/<out_plen> [del]") \
+_(snat_det_forward, "<in_addr>") \
+_(snat_det_reverse, "<out_addr> <out_port>")
static void
snat_vat_api_hookup (vat_main_t *vam)