2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 #include <vlibapi/api.h>
18 #include <vlibmemory/api.h>
20 #include <vppinfra/error.h>
23 #define __plugin_msg_base lb_test_main.msg_id_base
24 #include <vlibapi/vat_helper_macros.h>
26 //TODO: Move that to vat/plugin_api.c
27 //////////////////////////
28 uword unformat_ip46_address (unformat_input_t * input, va_list * args)
30 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
31 ip46_type_t type = va_arg (*args, ip46_type_t);
32 if ((type != IP46_TYPE_IP6) &&
33 unformat(input, "%U", unformat_ip4_address, &ip46->ip4)) {
34 ip46_address_mask_ip4(ip46);
36 } else if ((type != IP46_TYPE_IP4) &&
37 unformat(input, "%U", unformat_ip6_address, &ip46->ip6)) {
42 uword unformat_ip46_prefix (unformat_input_t * input, va_list * args)
44 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
45 u8 *len = va_arg (*args, u8 *);
46 ip46_type_t type = va_arg (*args, ip46_type_t);
49 if ((type != IP46_TYPE_IP6) && unformat(input, "%U/%u", unformat_ip4_address, &ip46->ip4, &l)) {
53 ip46->pad[0] = ip46->pad[1] = ip46->pad[2] = 0;
54 } else if ((type != IP46_TYPE_IP4) && unformat(input, "%U/%u", unformat_ip6_address, &ip46->ip6, &l)) {
63 /////////////////////////
65 #define vl_msg_id(n,h) n,
67 #include <lb/lb.api.h>
68 /* We'll want to know how many messages IDs we need... */
69 VL_MSG_FIRST_AVAILABLE,
73 /* define message structures */
75 #include <lb/lb.api.h>
78 /* declare message handlers for each api */
80 #define vl_endianfun /* define message structures */
81 #include <lb/lb.api.h>
84 /* instantiate all the print functions we know about */
85 #define vl_print(handle, ...)
87 #include <lb/lb.api.h>
90 /* Get the API version number. */
91 #define vl_api_version(n,v) static u32 api_version=(v);
92 #include <lb/lb.api.h>
96 /* API message ID base */
101 lb_test_main_t lb_test_main;
103 #define foreach_standard_reply_retval_handler \
105 _(lb_add_del_vip_reply) \
106 _(lb_add_del_as_reply)
109 static void vl_api_##n##_t_handler \
110 (vl_api_##n##_t * mp) \
112 vat_main_t * vam = lb_test_main.vat_main; \
113 i32 retval = ntohl(mp->retval); \
114 if (vam->async_mode) { \
115 vam->async_errors += (retval < 0); \
117 vam->retval = retval; \
118 vam->result_ready = 1; \
121 foreach_standard_reply_retval_handler;
125 * Table of message reply handlers, must include boilerplate handlers
128 #define foreach_vpe_api_reply_msg \
129 _(LB_CONF_REPLY, lb_conf_reply) \
130 _(LB_ADD_DEL_VIP_REPLY, lb_add_del_vip_reply) \
131 _(LB_ADD_DEL_AS_REPLY, lb_add_del_as_reply)
133 static int api_lb_conf (vat_main_t * vam)
135 unformat_input_t *line_input = vam->input;
136 vl_api_lb_conf_t *mp;
137 u32 ip4_src_address = 0xffffffff;
138 ip46_address_t ip6_src_address;
139 u32 sticky_buckets_per_core = LB_DEFAULT_PER_CPU_STICKY_BUCKETS;
140 u32 flow_timeout = LB_DEFAULT_FLOW_TIMEOUT;
143 ip6_src_address.as_u64[0] = 0xffffffffffffffffL;
144 ip6_src_address.as_u64[1] = 0xffffffffffffffffL;
146 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
148 if (unformat(line_input, "ip4-src-address %U", unformat_ip4_address, &ip4_src_address))
150 else if (unformat(line_input, "ip6-src-address %U", unformat_ip6_address, &ip6_src_address))
152 else if (unformat(line_input, "buckets %d", &sticky_buckets_per_core))
154 else if (unformat(line_input, "timeout %d", &flow_timeout))
157 errmsg ("invalid arguments\n");
163 clib_memcpy (&(mp->ip4_src_address), &ip4_src_address, sizeof (ip4_src_address));
164 clib_memcpy (&(mp->ip6_src_address), &ip6_src_address, sizeof (ip6_src_address));
165 mp->sticky_buckets_per_core = htonl (sticky_buckets_per_core);
166 mp->flow_timeout = htonl (flow_timeout);
173 static int api_lb_add_del_vip (vat_main_t * vam)
175 unformat_input_t *line_input = vam->input;
176 vl_api_lb_add_del_vip_t *mp;
178 ip46_address_t ip_prefix;
179 u8 prefix_length = 0;
184 u32 srv_type = LB_SRV_TYPE_CLUSTERIP;
186 u32 new_length = 1024;
188 if (!unformat(line_input, "%U", unformat_ip46_prefix, &ip_prefix,
189 &prefix_length, IP46_TYPE_ANY, &prefix_length)) {
190 errmsg ("lb_add_del_vip: invalid vip prefix\n");
194 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
196 if (unformat(line_input, "new_len %d", &new_length))
198 else if (unformat(line_input, "del"))
200 else if (unformat(line_input, "protocol tcp"))
202 protocol = IP_PROTOCOL_TCP;
204 else if (unformat(line_input, "protocol udp"))
206 protocol = IP_PROTOCOL_UDP;
208 else if (unformat(line_input, "port %d", &port))
210 else if (unformat(line_input, "encap gre4"))
211 encap = LB_ENCAP_TYPE_GRE4;
212 else if (unformat(line_input, "encap gre6"))
213 encap = LB_ENCAP_TYPE_GRE6;
214 else if (unformat(line_input, "encap l3dsr"))
215 encap = LB_ENCAP_TYPE_L3DSR;
216 else if (unformat(line_input, "encap nat4"))
217 encap = LB_ENCAP_TYPE_NAT4;
218 else if (unformat(line_input, "encap nat6"))
219 encap = LB_ENCAP_TYPE_NAT6;
220 else if (unformat(line_input, "dscp %d", &dscp))
222 else if (unformat(line_input, "type clusterip"))
223 srv_type = LB_SRV_TYPE_CLUSTERIP;
224 else if (unformat(line_input, "type nodeport"))
225 srv_type = LB_SRV_TYPE_NODEPORT;
226 else if (unformat(line_input, "target_port %d", &target_port))
229 errmsg ("invalid arguments\n");
234 if ((encap != LB_ENCAP_TYPE_L3DSR) && (dscp != ~0))
236 errmsg("lb_vip_add error: should not configure dscp for none L3DSR.");
240 if ((encap == LB_ENCAP_TYPE_L3DSR) && (dscp >= 64))
242 errmsg("lb_vip_add error: dscp for L3DSR should be less than 64.");
246 M(LB_ADD_DEL_VIP, mp);
247 clib_memcpy (mp->ip_prefix, &ip_prefix, sizeof (ip_prefix));
248 mp->prefix_length = prefix_length;
249 mp->protocol = (u8)protocol;
250 mp->port = htons((u16)port);
251 mp->encap = (u8)encap;
253 mp->type = (u8)srv_type;
254 mp->target_port = htons((u16)target_port);
255 mp->node_port = htons((u16)target_port);
256 mp->new_flows_table_length = htonl(new_length);
263 static int api_lb_add_del_as (vat_main_t * vam)
266 unformat_input_t *line_input = vam->input;
267 vl_api_lb_add_del_as_t *mp;
269 ip46_address_t vip_prefix, as_addr;
271 ip46_address_t *as_array = 0;
278 if (!unformat(line_input, "%U", unformat_ip46_prefix,
279 &vip_prefix, &vip_plen, IP46_TYPE_ANY))
281 errmsg ("lb_add_del_as: invalid vip prefix\n");
285 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
287 if (unformat(line_input, "%U", unformat_ip46_address,
288 &as_addr, IP46_TYPE_ANY))
290 vec_add1(as_array, as_addr);
292 else if (unformat(line_input, "del"))
296 else if (unformat(line_input, "flush"))
300 else if (unformat(line_input, "protocol tcp"))
302 protocol = IP_PROTOCOL_TCP;
304 else if (unformat(line_input, "protocol udp"))
306 protocol = IP_PROTOCOL_UDP;
308 else if (unformat(line_input, "port %d", &port))
311 errmsg ("invalid arguments\n");
316 if (!vec_len(as_array)) {
317 errmsg ("No AS address provided \n");
321 M(LB_ADD_DEL_AS, mp);
322 clib_memcpy (mp->vip_ip_prefix, &vip_prefix, sizeof (vip_prefix));
323 mp->vip_prefix_length = vip_plen;
324 mp->protocol = (u8)protocol;
325 mp->port = htons((u16)port);
326 clib_memcpy (mp->as_address, &as_addr, sizeof (as_addr));
328 mp->is_flush = is_flush;
336 * List of messages that the api test plugin sends,
337 * and that the data plane plugin processes
339 #define foreach_vpe_api_msg \
340 _(lb_conf, "[ip4-src-address <addr>] [ip6-src-address <addr>] " \
341 "[buckets <n>] [timeout <s>]") \
342 _(lb_add_del_vip, "<prefix> " \
343 "[protocol (tcp|udp) port <n>] " \
344 "[encap (gre6|gre4|l3dsr|nat4|nat6)] " \
346 "[type (nodeport|clusterip) target_port <n>] " \
347 "[new_len <n>] [del]") \
348 _(lb_add_del_as, "<vip-prefix> [protocol (tcp|udp) port <n>] " \
349 "[<address>] [del] [flush]")
352 lb_vat_api_hookup (vat_main_t *vam)
354 lb_test_main_t * lbtm = &lb_test_main;
355 /* Hook up handlers for replies from the data plane plug-in */
357 vl_msg_api_set_handlers((VL_API_##N + lbtm->msg_id_base), \
359 vl_api_##n##_t_handler, \
361 vl_api_##n##_t_endian, \
362 vl_api_##n##_t_print, \
363 sizeof(vl_api_##n##_t), 1);
364 foreach_vpe_api_reply_msg;
367 /* API messages we can send */
368 #define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
373 #define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
378 clib_error_t * vat_plugin_register (vat_main_t *vam)
380 lb_test_main_t * lbtm = &lb_test_main;
384 lbtm->vat_main = vam;
386 /* Ask the vpp engine for the first assigned message-id */
387 name = format (0, "lb_%08x%c", api_version, 0);
388 lbtm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
390 if (lbtm->msg_id_base != (u16) ~0)
391 lb_vat_api_hookup (vam);