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-rw-r--r--vpp/plugins/snat-plugin/snat/snat_test.c602
1 files changed, 602 insertions, 0 deletions
diff --git a/vpp/plugins/snat-plugin/snat/snat_test.c b/vpp/plugins/snat-plugin/snat/snat_test.c
new file mode 100644
index 00000000..2a003ba6
--- /dev/null
+++ b/vpp/plugins/snat-plugin/snat/snat_test.c
@@ -0,0 +1,602 @@
+
+/*
+ * snat.c - skeleton vpp-api-test plug-in
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+#include <vppinfra/error.h>
+#include <vnet/ip/ip.h>
+
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare message IDs */
+#include <snat/snat_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <snat/snat_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <snat/snat_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <snat/snat_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <snat/snat_all_api_h.h>
+#undef vl_api_version
+
+typedef struct {
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} snat_test_main_t;
+
+snat_test_main_t snat_test_main;
+
+#define foreach_standard_reply_retval_handler \
+_(snat_add_address_range_reply) \
+_(snat_interface_add_del_feature_reply) \
+_(snat_add_static_mapping_reply) \
+_(snat_set_workers_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = snat_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(SNAT_ADD_ADDRESS_RANGE_REPLY, snat_add_address_range_reply) \
+_(SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY, \
+ snat_interface_add_del_feature_reply) \
+_(SNAT_ADD_STATIC_MAPPING_REPLY, snat_add_static_mapping_reply) \
+_(SNAT_CONTROL_PING_REPLY, snat_control_ping_reply) \
+_(SNAT_STATIC_MAPPING_DETAILS, snat_static_mapping_details) \
+_(SNAT_SHOW_CONFIG_REPLY, snat_show_config_reply) \
+_(SNAT_ADDRESS_DETAILS, snat_address_details) \
+_(SNAT_INTERFACE_DETAILS, snat_interface_details) \
+_(SNAT_SET_WORKERS_REPLY, snat_set_workers_reply) \
+_(SNAT_WORKER_DETAILS, snat_worker_details)
+
+/* M: construct, but don't yet send a message */
+#define M(T,t) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+#define M2(T,t,n) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W \
+do { \
+ timeout = vat_time_now (vam) + 1.0; \
+ \
+ while (vat_time_now (vam) < timeout) { \
+ if (vam->result_ready == 1) { \
+ return (vam->retval); \
+ } \
+ } \
+ return -99; \
+} while(0);
+
+static int api_snat_add_address_range (vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ unformat_input_t * i = vam->input;
+ f64 timeout;
+ ip4_address_t start_addr, end_addr;
+ u32 start_host_order, end_host_order;
+ vl_api_snat_add_address_range_t * mp;
+ u8 is_add = 1;
+ int count;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U - %U",
+ unformat_ip4_address, &start_addr,
+ unformat_ip4_address, &end_addr))
+ ;
+ else if (unformat (i, "%U", unformat_ip4_address, &start_addr))
+ end_addr = start_addr;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
+ end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
+
+ if (end_host_order < start_host_order)
+ {
+ errmsg ("end address less than start address\n");
+ return -99;
+ }
+
+ count = (end_host_order - start_host_order) + 1;
+
+ if (count > 1024)
+ {
+ errmsg ("%U - %U, %d addresses...\n",
+ format_ip4_address, &start_addr,
+ format_ip4_address, &end_addr,
+ count);
+ }
+
+ M(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range);
+
+ memcpy (mp->first_ip_address, &start_addr, 4);
+ memcpy (mp->last_ip_address, &end_addr, 4);
+ mp->is_ip4 = 1;
+ mp->is_add = is_add;
+
+ S; W;
+
+ /* NOTREACHED */
+ return 0;
+}
+
+static int api_snat_interface_add_del_feature (vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ unformat_input_t * i = vam->input;
+ f64 timeout;
+ vl_api_snat_interface_add_del_feature_t * mp;
+ u32 sw_if_index;
+ u8 sw_if_index_set = 0;
+ u8 is_inside = 1;
+ u8 is_add = 1;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+ sw_if_index_set = 1;
+ else if (unformat (i, "sw_if_index %d", &sw_if_index))
+ sw_if_index_set = 1;
+ else if (unformat (i, "out"))
+ is_inside = 0;
+ else if (unformat (i, "in"))
+ is_inside = 1;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (sw_if_index_set == 0)
+ {
+ errmsg ("interface / sw_if_index required\n");
+ return -99;
+ }
+
+ M(SNAT_INTERFACE_ADD_DEL_FEATURE, snat_interface_add_del_feature);
+ mp->sw_if_index = ntohl(sw_if_index);
+ mp->is_add = is_add;
+ mp->is_inside = is_inside;
+
+ S; W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static int api_snat_add_static_mapping(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ unformat_input_t * i = vam->input;
+ f64 timeout;
+ vl_api_snat_add_static_mapping_t * mp;
+ u8 addr_set_n = 0;
+ u8 is_add = 1;
+ u8 addr_only = 1;
+ ip4_address_t local_addr, external_addr;
+ u32 local_port = 0, external_port = 0, vrf_id = ~0;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "local_addr %U", unformat_ip4_address, &local_addr))
+ addr_set_n++;
+ else if (unformat (i, "external_addr %U", unformat_ip4_address,
+ &external_addr))
+ addr_set_n++;
+ else if (unformat (i, "local_port %u", &local_port))
+ addr_only = 0;
+ else if (unformat (i, "external_port %u", &external_port))
+ addr_only = 0;
+ else if (unformat (i, "vrf %u", &vrf_id))
+ ;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (addr_set_n != 2)
+ {
+ errmsg ("local_addr and remote_addr required\n");
+ return -99;
+ }
+
+ M(SNAT_ADD_STATIC_MAPPING, snat_add_static_mapping);
+ mp->is_add = is_add;
+ mp->is_ip4 = 1;
+ mp->addr_only = addr_only;
+ mp->local_port = ntohs ((u16) local_port);
+ mp->external_port = ntohs ((u16) external_port);
+ mp->vrf_id = ntohl (vrf_id);
+ memcpy (mp->local_ip_address, &local_addr, 4);
+ memcpy (mp->external_ip_address, &external_addr, 4);
+
+ S; W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_snat_control_ping_reply_t_handler
+ (vl_api_snat_control_ping_reply_t * mp)
+{
+ vat_main_t *vam = &vat_main;
+ i32 retval = ntohl (mp->retval);
+ if (vam->async_mode)
+ {
+ vam->async_errors += (retval < 0);
+ }
+ else
+ {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+}
+
+static void vl_api_snat_static_mapping_details_t_handler
+ (vl_api_snat_static_mapping_details_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+
+ if (mp->addr_only)
+ fformat (vam->ofp, "%15U%6s%15U%6s%11d\n",
+ format_ip4_address, &mp->local_ip_address, "",
+ format_ip4_address, &mp->external_ip_address, "",
+ ntohl (mp->vrf_id));
+ else
+ fformat (vam->ofp, "%15U%6d%15U%6d%11d\n",
+ format_ip4_address, &mp->local_ip_address,
+ ntohs (mp->local_port),
+ format_ip4_address, &mp->external_ip_address,
+ ntohs (mp->external_port),
+ ntohl (mp->vrf_id));
+
+}
+
+static int api_snat_static_mapping_dump(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ f64 timeout;
+ vl_api_snat_static_mapping_dump_t * mp;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_static_mapping_dump");
+ return -99;
+ }
+
+ fformat (vam->ofp, "%21s%21s\n", "local", "external");
+ fformat (vam->ofp, "%15s%6s%15s%6s%11s\n", "address", "port", "address",
+ "port", "vrf");
+
+ M(SNAT_STATIC_MAPPING_DUMP, snat_static_mapping_dump);
+ S;
+ /* Use a control ping for synchronization */
+ {
+ vl_api_snat_control_ping_t *mp;
+ M (SNAT_CONTROL_PING, snat_control_ping);
+ S;
+ }
+ W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_snat_show_config_reply_t_handler
+ (vl_api_snat_show_config_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, "translation hash buckets %d\n",
+ ntohl (mp->translation_buckets));
+ fformat (vam->ofp, "translation hash memory %d\n",
+ ntohl (mp->translation_memory_size));
+ fformat (vam->ofp, "user hash buckets %d\n", ntohl (mp->user_buckets));
+ fformat (vam->ofp, "user hash memory %d\n", ntohl (mp->user_memory_size));
+ fformat (vam->ofp, "max translations per user %d\n",
+ ntohl (mp->max_translations_per_user));
+ fformat (vam->ofp, "outside VRF id %d\n", ntohl (mp->outside_vrf_id));
+ fformat (vam->ofp, "inside VRF id %d\n", ntohl (mp->inside_vrf_id));
+ if (mp->static_mapping_only)
+ {
+ fformat (vam->ofp, "static mapping only");
+ if (mp->static_mapping_connection_tracking)
+ fformat (vam->ofp, " connection tracking");
+ fformat (vam->ofp, "\n");
+ }
+ }
+ vam->retval = retval;
+ vam->result_ready = 1;
+}
+
+static int api_snat_show_config(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ f64 timeout;
+ vl_api_snat_show_config_t * mp;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_show_config");
+ return -99;
+ }
+
+ M(SNAT_SHOW_CONFIG, snat_show_config);
+ S; W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_snat_address_details_t_handler
+ (vl_api_snat_address_details_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+
+ fformat (vam->ofp, "%U\n", format_ip4_address, &mp->ip_address);
+}
+
+static int api_snat_address_dump(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ f64 timeout;
+ vl_api_snat_address_dump_t * mp;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_address_dump");
+ return -99;
+ }
+
+ M(SNAT_ADDRESS_DUMP, snat_address_dump);
+ S;
+ /* Use a control ping for synchronization */
+ {
+ vl_api_snat_control_ping_t *mp;
+ M (SNAT_CONTROL_PING, snat_control_ping);
+ S;
+ }
+ W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_snat_interface_details_t_handler
+ (vl_api_snat_interface_details_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+
+ fformat (vam->ofp, "sw_if_index %d %s\n", ntohl (mp->sw_if_index),
+ mp->is_inside ? "in" : "out");
+}
+
+static int api_snat_interface_dump(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ f64 timeout;
+ vl_api_snat_interface_dump_t * mp;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_address_dump");
+ return -99;
+ }
+
+ M(SNAT_INTERFACE_DUMP, snat_interface_dump);
+ S;
+ /* Use a control ping for synchronization */
+ {
+ vl_api_snat_control_ping_t *mp;
+ M (SNAT_CONTROL_PING, snat_control_ping);
+ S;
+ }
+ W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static int api_snat_set_workers (vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ unformat_input_t * i = vam->input;
+ f64 timeout;
+ vl_api_snat_set_workers_t * mp;
+ uword *bitmap;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", unformat_bitmap_list, &bitmap))
+ ;
+ else
+ {
+ clib_warning("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ M(SNAT_SET_WORKERS, snat_set_workers);
+ mp->worker_mask = clib_host_to_net_u64 (bitmap[0]);
+
+ S; W;
+
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_snat_worker_details_t_handler
+ (vl_api_snat_worker_details_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+
+ fformat (vam->ofp, "worker_index %d (%s at lcore %u)\n",
+ ntohl (mp->worker_index), mp->name, ntohl (mp->lcore_id));
+}
+
+static int api_snat_worker_dump(vat_main_t * vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ f64 timeout;
+ vl_api_snat_worker_dump_t * mp;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_address_dump");
+ return -99;
+ }
+
+ M(SNAT_WORKER_DUMP, snat_worker_dump);
+ S;
+ /* Use a control ping for synchronization */
+ {
+ vl_api_snat_control_ping_t *mp;
+ M (SNAT_CONTROL_PING, snat_control_ping);
+ S;
+ }
+ W;
+ /* NOTREACHED */
+ return 0;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(snat_add_address_range, "<start-addr> [- <end-addr] [del]") \
+_(snat_interface_add_del_feature, \
+ "<intfc> | sw_if_index <id> [in] [out] [del]") \
+_(snat_add_static_mapping, "local_addr <ip> external_addr <ip> " \
+ "[local_port <n>] [external_port <n>] [vrf <table-id>] [del]") \
+_(snat_set_workers, "<wokrers_bitmap>") \
+_(snat_static_mapping_dump, "") \
+_(snat_show_config, "") \
+_(snat_address_dump, "") \
+_(snat_interface_dump, "") \
+_(snat_worker_dump, "")
+
+void vat_api_hookup (vat_main_t *vam)
+{
+ snat_test_main_t * sm __attribute__((unused)) = &snat_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t * vat_plugin_register (vat_main_t *vam)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ u8 * name;
+
+ sm->vat_main = vam;
+
+ /* Ask the vpp engine for the first assigned message-id */
+ name = format (0, "snat_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~0)
+ vat_api_hookup (vam);
+
+ vec_free(name);
+
+ return 0;
+}