--- /dev/null
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * 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 <vnet/vnet.h>
+#include <vppinfra/error.h>
+#include <vnet/lisp-cp/lisp_cp_messages.h>
+#include <vnet/lisp-cp/control.h>
+#include <vnet/lisp-cp/lisp_msg_serdes.h>
+#include <vlibapi/api.h>
+#include <vnet/lisp-cp/packets.h>
+
+#define _assert(e) \
+ error = CLIB_ERROR_ASSERT (e); \
+ if (error) \
+ goto done;
+
+static void print_chunk(u8 * b, int * offset, int c, char * des)
+{
+ int i, n = offset[0] + c;;
+ for (i = offset[0]; i < n; i++)
+ {
+ printf("0x%02x, ", b[i]);
+ }
+ printf(" // %s\n", des);
+ *offset += c;
+}
+
+void print_map_request(map_request_hdr_t * h)
+{
+#define pchunk(_count, _desc) \
+ print_chunk((u8 *)h, &offset, _count, _desc)
+
+ int offset = 0;
+
+ pchunk(4, "data");
+ pchunk(8, "Nonce");
+ pchunk(2, "Source-EID-AFI");
+ pchunk(4, "Source EID Address");
+ pchunk(2, "ITR-RLOC-AFI 1");
+ pchunk(4, "ITR-RLOC Address 1");
+ pchunk(2, "ITR-RLOC-AFI 2");
+ pchunk(16, "ITR-RLOC Address 2");
+ pchunk(1, "REC: reserved");
+ pchunk(1, "REC: EID mask-len");
+ pchunk(2, "REC: EID-prefix-AFI");
+ pchunk(4, "REC: EID-prefix");
+ printf("\n");
+}
+
+static clib_error_t * test_lisp_msg_push_ecm ()
+{
+ vlib_main_t * vm = vlib_get_main ();
+ clib_error_t * error = 0;
+ gid_address_t la, ra;
+ vlib_buffer_t * b = 0;
+ u32 buff_len = 500;
+ int lp = 0x15, rp = 0x14;
+
+ b = clib_mem_alloc (buff_len);
+ memset((u8 *)b, 0, buff_len);
+ b->current_length = buff_len;
+ b->current_data = sizeof(udp_header_t) + sizeof(ip4_header_t) +
+ sizeof(ecm_hdr_t) + 1;
+
+ la.type = IP_PREFIX;
+ la.ippref.addr.ip.v4.as_u32 = 0xa1b2c3d4;
+ la.ippref.addr.version = IP4;
+
+ ra.type = IP_PREFIX;
+ ra.ippref.addr.ip.v4.as_u32 = 0x90817263;
+ ra.ippref.addr.version = IP4;
+
+ ecm_hdr_t * lh = lisp_msg_push_ecm (vm, b, lp, rp, &la, &ra);
+
+ u8 expected_ecm_hdr[] = {
+ 0x80, 0x00, 0x00, 0x00
+ };
+ _assert(0 == memcmp(expected_ecm_hdr, lh, sizeof(expected_ecm_hdr)));
+
+ ip4_header_t * ih = (ip4_header_t *) (lh + 1);
+ /* clear ip checksum */
+ memset((u8 *)ih + 10, 0, 2);
+
+ u8 expected_ip4_hdr[] = {
+ 0x45, /* version; IHL */
+ 0x00, /* services */
+ 0x02, 0x10, /* total length */
+ 0x00, 0x00, /* identification */
+ 0x40, 0x00, /* flags; fragment offset*/
+ 0xff, /* TTL */
+ 0x11, /* protocol */
+ 0x00, 0x00, /* header checksum */
+ 0xd4, 0xc3, 0xb2, 0xa1, /* src IP */
+ 0x63, 0x72, 0x81, 0x90, /* dst IP */
+ };
+ _assert(0 == memcmp(ih, expected_ip4_hdr, sizeof(expected_ip4_hdr)));
+
+ udp_header_t * uh = (udp_header_t *) (ih + 1);
+ /* clear udp checksum */
+ memset((u8 *)uh + 6, 0, 2);
+
+ u8 expected_udp_hdr[] = {
+ 0x00, 0x15, /* src port */
+ 0x00, 0x14, /* dst port */
+ 0x01, 0xfc, /* length */
+ 0x00, 0x00, /* checksum */
+ };
+ _assert(0 == memcmp(uh, expected_udp_hdr, sizeof(expected_udp_hdr)));
+
+done:
+ clib_mem_free (b);
+ return error;
+}
+
+static clib_error_t * test_lisp_msg_parse_mapping_record ()
+{
+ clib_error_t * error = 0;
+ locator_t probed;
+ locator_t * locs = 0;
+ vlib_buffer_t * b = 0;
+ gid_address_t eid;
+ u32 buff_len = 500;
+
+ b = clib_mem_alloc (buff_len);
+ memset((u8 *)b, 0, buff_len);
+
+ u8 map_reply_records[] = {
+ /* 1. record */
+ 0x01, 0x02, 0x03, 0x04, /* record TTL */
+ 0x01, /* locator count */
+ 0x00, 0x00, 0x00, /* eid-mask-len; ... */
+ 0x00, 0x00, /* reserved; map-version num */
+ 0x00, 0x01, /* EID-Prefix-AFI */
+ 0x33, 0x44, 0x55, 0x66, /* eid-prefix */
+ /* loc */
+ 0x0a, /* prority */
+ 0x0b, /* weight */
+ 0x0c, /* m-prority */
+ 0x0d, /* m-weight */
+ 0x00, 0x00, /* unused flags */
+ 0x00, 0x01, /* Loc-AFI */
+ 0xaa, 0xbb, 0xcc, 0xdd, /* Loator */
+ };
+ b->current_length = buff_len;
+ memcpy(b->data, map_reply_records, sizeof(map_reply_records));
+
+ lisp_msg_parse_mapping_record (b, &eid, &locs, &probed);
+ _assert(vec_len (locs) == 1);
+ _assert(eid.ippref.addr.ip.v4.as_u32 == 0x66554433);
+ _assert(locs[0].local == 0);
+ _assert(locs[0].address.ippref.addr.ip.v4.as_u32 == 0xddccbbaa);
+ _assert(locs[0].address.type == IP_PREFIX);
+ _assert(locs[0].priority == 0xa);
+ _assert(locs[0].weight == 0xb);
+ _assert(locs[0].mpriority == 0xc);
+ _assert(locs[0].mweight == 0xd);
+
+done:
+ clib_mem_free (b);
+ if (locs)
+ vec_free (locs);
+ return error;
+}
+
+static map_request_hdr_t *
+build_map_request (lisp_cp_main_t * lcm, vlib_buffer_t * b)
+{
+ gid_address_t _seid, * seid = &_seid;
+ gid_address_t _deid, * deid = &_deid;
+ u8 is_smr_invoked = 1;
+ u64 nonce = 0;
+ map_request_hdr_t *h;
+ ip_address_t * rlocs = 0;
+ ip_address_t _addr, * addr = &_addr;
+
+ gid_address_type(seid) = IP_PREFIX;
+ gid_address_ip(seid).ip.v4.as_u32 = 0x12345678;
+ seid->ippref.addr.version = IP4;
+
+ gid_address_type(deid) = IP_PREFIX;
+ gid_address_ip(deid).ip.v4.as_u32 = 0x9abcdef0;
+ deid->ippref.addr.version = IP4;
+ gid_address_ippref_len(deid) = 24;
+
+ ip_addr_version(addr) = IP4;
+ ip_addr_v4(addr).data_u32 = 0x10203040;
+ vec_add1(rlocs, addr[0]);
+
+ ip_addr_v6(addr).as_u32[0] = 0xffeeddcc;
+ ip_addr_v6(addr).as_u32[1] = 0xbbaa9988;
+ ip_addr_v6(addr).as_u32[2] = 0x77665544;
+ ip_addr_v6(addr).as_u32[3] = 0x33221100;
+ ip_addr_version(addr) = IP6;
+ vec_add1(rlocs, addr[0]);
+
+ h = lisp_msg_put_mreq (lcm, b, seid, deid, rlocs,
+ is_smr_invoked, &nonce);
+ vec_free(rlocs);
+ return h;
+}
+
+static clib_error_t * test_lisp_msg_parse ()
+{
+ gid_address_t eid;
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+ map_request_hdr_t *h;
+ gid_address_t gid;
+ clib_error_t * error = 0;
+ vlib_buffer_t * b;
+ gid_address_t * rlocs = 0;
+
+ u8 * data = clib_mem_alloc(500);
+ memset(data, 0, 500);
+ b = (vlib_buffer_t *) data;
+
+ h = build_map_request (lcm, b);
+
+ vlib_buffer_pull(b, sizeof(*h));
+ u32 len = lisp_msg_parse_addr(b, &gid);
+ _assert (len == 2 + 4
+ /* Source-EID-AFI field lenght + IPv4 address length */);
+ _assert (gid.ippref.addr.ip.v4.as_u32 == 0x12345678);
+ _assert (gid.ippref.addr.version == IP4);
+
+ u8 rloc_count = MREQ_ITR_RLOC_COUNT(h) + 1;
+ lisp_msg_parse_itr_rlocs (b, &rlocs, rloc_count);
+
+ _assert (vec_len (rlocs) == 2);
+ _assert (rlocs[0].ippref.addr.ip.v4.as_u32 == 0x10203040);
+ _assert (rlocs[0].ippref.addr.version == IP4);
+
+ _assert (rlocs[1].ippref.addr.ip.v6.as_u32[0] == 0xffeeddcc);
+ _assert (rlocs[1].ippref.addr.ip.v6.as_u32[1] == 0xbbaa9988);
+ _assert (rlocs[1].ippref.addr.ip.v6.as_u32[2] == 0x77665544);
+ _assert (rlocs[1].ippref.addr.ip.v6.as_u32[3] == 0x33221100);
+ _assert (rlocs[1].ippref.addr.version == IP6);
+
+ lisp_msg_parse_eid_rec (b, &eid);
+ _assert (eid.ippref.addr.ip.v4.as_u32 == 0x9abcdef0);
+ _assert (eid.ippref.addr.version == IP4);
+ _assert (eid.ippref.len == 24);
+
+done:
+ clib_mem_free (data);
+ if (rlocs)
+ vec_free (rlocs);
+ return error;
+}
+
+static clib_error_t * test_lisp_msg_put_mreq ()
+{
+ lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+ clib_error_t * error = 0;
+ map_request_hdr_t *h;
+
+ u8 * data = clib_mem_alloc(500);
+ memset(data, 0, 500);
+
+ h = build_map_request (lcm, (vlib_buffer_t *)data);
+
+ /* clear Nonce to simplify comparison */
+ memset((u8 *)h + 4, 0, 8);
+
+ print_map_request(h);
+
+ u8 expected_data[50] = {
+ 0x10, 0x40, 0x01, 0x01, /* type; flags; IRC; REC count */
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, /* nonce */
+ 0x00, 0x01, /* Source-EID-AFI */
+ 0x78, 0x56, 0x34, 0x12, /* Source EID Address */
+
+ /* RLOCs */
+ 0x00, 0x01, /* ITR-RLOC-AFI 1 */
+ 0x40, 0x30, 0x20, 0x10, /* ITR-RLOC Address 1 */
+ 0x00, 0x02, /* ITR-RLOC-AFI 2 */
+ 0xcc, 0xdd, 0xee, 0xff,
+ 0x88, 0x99, 0xaa, 0xbb,
+ 0x44, 0x55, 0x66, 0x77,
+ 0x00, 0x11, 0x22, 0x33, /* ITR-RLOC Address 2 */
+
+ /* record */
+ 0x00, /* reserved */
+ 0x18, /* EID mask-len */
+ 0x00, 0x01, /* EID-prefix-AFI */
+ 0xf0, 0xde, 0xbc, 0x9a, /* EID-prefix */
+ };
+
+ int r = memcmp(expected_data, (u8 *)h, sizeof(expected_data));
+ error = CLIB_ERROR_ASSERT (r == 0);
+
+ clib_mem_free(data);
+ return error;
+}
+
+#define foreach_test_case \
+ _(lisp_msg_put_mreq) \
+ _(lisp_msg_push_ecm) \
+ _(lisp_msg_parse) \
+ _(lisp_msg_parse_mapping_record)
+
+int run_tests (void)
+{
+ clib_error_t * error;
+
+#define _(_test_name) \
+ error = test_ ## _test_name (); \
+ if (error) \
+ { \
+ clib_error_report (error); \
+ return 0; \
+ }
+
+ foreach_test_case
+#undef _
+
+ return 0;
+}
+
+int main()
+{
+ return run_tests ();
+}
+#undef _assert
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