diff options
Diffstat (limited to 'src/tests/vnet/lisp-cp/test_cp_serdes.c')
-rw-r--r-- | src/tests/vnet/lisp-cp/test_cp_serdes.c | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/src/tests/vnet/lisp-cp/test_cp_serdes.c b/src/tests/vnet/lisp-cp/test_cp_serdes.c new file mode 100644 index 00000000000..9d51dc8fa51 --- /dev/null +++ b/src/tests/vnet/lisp-cp/test_cp_serdes.c @@ -0,0 +1,639 @@ +/* + * 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> + +/* FIXME */ +#include <vlibapi/api_helper_macros.h> +vpe_api_main_t vpe_api_main; + +#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 = 900; + 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 = GID_ADDR_IP_PREFIX; + la.ippref.addr.ip.v4.as_u32 = 0xa1b2c3d4; + la.ippref.addr.version = IP4; + + ra.type = GID_ADDR_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 */ + 0x03, 0xa0, /* 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 */ + 0x03, 0x8c, /* 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; + clib_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 == GID_ADDR_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 * rlocs) +{ + gid_address_t _seid, * seid = &_seid; + gid_address_t _deid, * deid = &_deid; + u8 is_smr_invoked = 1; + u8 rloc_probe_set = 0; + u64 nonce = 0; + map_request_hdr_t * h = 0; + memset (deid, 0, sizeof (deid[0])); + memset (seid, 0, sizeof (seid[0])); + + gid_address_type (seid) = GID_ADDR_IP_PREFIX; + ip_address_t * ip_addr = &gid_address_ip (seid); + ip_addr_v4 (ip_addr).as_u32 = 0x12345678; + seid->ippref.addr.version = IP4; + + gid_address_type (deid) = GID_ADDR_IP_PREFIX; + ip_address_t * ip_addr2 = &gid_address_ip (deid); + ip_addr_v4 (ip_addr2).as_u32 = 0x9abcdef0; + deid->ippref.addr.version = IP4; + gid_address_ippref_len (deid) = 24; + + h = lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, + is_smr_invoked, rloc_probe_set, &nonce); + vec_free(rlocs); + return h; +} + +static void +generate_rlocs (gid_address_t **rlocs, u32 * count) +{ + gid_address_t gid_addr_data, * gid_addr = &gid_addr_data; + memset (gid_addr, 0, sizeof (gid_addr[0])); + ip_address_t * addr = &gid_address_ip (gid_addr); + + gid_address_type (gid_addr) = GID_ADDR_IP_PREFIX; + + ip_addr_version (addr) = IP4; + ip_addr_v4 (addr).data_u32 = 0x10203040; + vec_add1 (rlocs[0], gid_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[0], gid_addr[0]); +} + +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_decode = 0, * rlocs = 0; + u32 rloc_count_parse = 0; + + u8 * data = clib_mem_alloc(500); + memset(data, 0, 500); + b = (vlib_buffer_t *) data; + + generate_rlocs (&rlocs_decode, &rloc_count_parse); + h = build_map_request (lcm, b, rlocs_decode); + + 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_with_lcaf () +{ + lisp_cp_main_t * lcm = vnet_lisp_cp_get_main (); + clib_error_t * error = 0; + map_request_hdr_t *h = 0; + gid_address_t * rlocs = 0; + + ip_prefix_t ippref; + ip_prefix_version (&ippref) = IP4; + ip4_address_t * ip = &ip_prefix_v4 (&ippref); + ip->as_u32 = 0x11223344; + + gid_address_t g = + { + .type = GID_ADDR_IP_PREFIX, + .ippref = ippref, + .vni = 0x90919293, + .vni_mask = 0x17 + }; + vec_add1 (rlocs, g); + + u8 * data = clib_mem_alloc (500); + memset (data, 0, 500); + + h = build_map_request (lcm, (vlib_buffer_t *) data, rlocs); + + /* clear Nonce to simplify comparison */ + memset ((u8 *)h + 4, 0, 8); + + u8 expected_data[] = + { + 0x10, 0x40, 0x00, 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 */ + 0x40, 0x03, /* AFI = LCAF*/ + /* LCAF header*/ + 0x00, 0x00, /* reserved1, flags */ + 0x02, /* type = Instance ID */ + 0x17, /* IID mask-len */ + 0x00, 0x0a, /* lenght */ + 0x90, 0x91, 0x92, 0x93, /* IID / VNI */ + + 0x00, 0x01, /* AFI = ipv4 */ + 0x44, 0x33, 0x22, 0x11, /* ITR-RLOC Address 1 */ + + /* record */ + 0x00, /* reserved */ + 0x18, /* EID mask-len */ + 0x00, 0x01, /* EID-prefix-AFI */ + 0xf0, 0xde, 0xbc, 0x9a, /* EID-prefix */ + }; + + _assert (0 == memcmp (expected_data, (u8 *) h, sizeof (expected_data))); +done: + clib_mem_free (data); + 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; + gid_address_t * rlocs = 0; + u32 rloc_count = 0; + + u8 * data = clib_mem_alloc(500); + memset(data, 0, 500); + + generate_rlocs (&rlocs, &rloc_count); + h = build_map_request (lcm, (vlib_buffer_t *) data, rlocs); + + /* 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 */ + }; + _assert (0 == memcmp (expected_data, (u8 *) h, sizeof (expected_data))); + +done: + clib_mem_free (data); + return error; +} + +/* generate a vector of eid records */ +static mapping_t * +build_test_map_records () +{ + mapping_t * records = 0; + + mapping_t r = { + .ttl = 0x44332211, + .eid = { + .type = GID_ADDR_MAC, + .mac = {1, 2, 3, 4, 5, 6}, + .vni = 0x0 + } + }; + + locator_t loc = { + .weight = 1, + .priority = 2, + .local = 1, + .address = { + .type = GID_ADDR_IP_PREFIX, + .ippref = { + .addr = { + .ip.v4.as_u32 = 0x99887766, + .version = IP4 + } + } + } + }; + vec_add1 (r.locators, loc); + vec_add1 (records, r); + + return records; +} + +static void +free_test_map_records (mapping_t * maps) +{ + mapping_t * map; + vec_foreach (map, maps) + { + vec_free (map->locators); + } + vec_free (maps); +} + +static clib_error_t * +test_lisp_map_register () +{ + vlib_buffer_t *b; + clib_error_t * error = 0; + u64 nonce; + u32 msg_len = 0; + mapping_t * records = build_test_map_records (); + + u8 * data = clib_mem_alloc(500); + memset(data, 0, 500); + b = (vlib_buffer_t *) data; + + lisp_msg_put_map_register (b, records, 1 /* want map notify */, + 20 /* length of HMAC_SHA_1_96 */, + &nonce, &msg_len); + free_test_map_records (records); + + /* clear Nonce to simplify comparison */ + memset((u8 *)b->data + 4, 0, 8); + + /* clear authentication data */ + memset ((u8 *)b->data + 16, 0, 20); + + u8 expected_data[] = { + 0x30, 0x00, 0x01, 0x01, /* type; rsvd; want notify; REC count */ + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, /* nonce */ + 0x00, 0x00, 0x00, 0x00, /* key id, auth data length: + both are zeroes because those are set in another + function (see auth_data_len_by_key_id())*/ + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, /* auth data */ + + /* first record */ + 0x44, 0x33, 0x22, 0x11, /* ttl */ + 0x01, 0x00, 0x00, 0x00, /* loc count, eid len, ACT, A */ + 0x00, 0x00, 0x40, 0x05, /* rsvd, map ver num, AFI = MAC */ + 0x01, 0x02, 0x03, 0x04, + 0x05, 0x06, /* MAC EID */ + + /* locator 1 */ + 0x02, 0x01, 0x00, 0x00, /* prio, weight, mprio, mweight */ + 0x00, 0x04, 0x00, 0x01, /* flags, AFI = ipv4 */ + 0x66, 0x77, 0x88, 0x99, /* ipv4 locator address */ + }; + _assert (0 == memcmp (expected_data, b->data, sizeof (expected_data))); +done: + clib_mem_free (data); + return error; +} + +static clib_error_t * +test_lisp_parse_lcaf () +{ + int i; + clib_error_t * error = 0; + gid_address_t eid; + locator_t * locs = 0; + locator_t probed; + vlib_buffer_t * b = 0; + 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 */ + 0x03, /* 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 */ + + /* 1st locator */ + 0x0a, /* prority */ + 0x0b, /* weight */ + 0x0c, /* m-prority */ + 0x0d, /* m-weight */ + 0x00, 0x00, /* unused flags */ + 0x40, 0x03, /* Loc-AFI = LCAF*/ + + /* LCAF header*/ + 0x00, 0x00, /* reserved1, flags */ + 0x02, /* type = Instance ID */ + 0x18, /* IID mask-len */ + 0x00, 0x0a, /* lenght */ + /* LCAF Instance ID */ + 0x00, 0x00, 0x00, 0x09, /* iid */ + 0x00, 0x01, /* AFI = ipv4 */ + 0x10, 0xbb, 0xcc, 0xdd, /* ipv4 loator address */ + + /* 2nd locator */ + 0x07, /* prority */ + 0x06, /* weight */ + 0x05, /* m-prority */ + 0x04, /* m-weight */ + 0x00, 0x00, /* unused flags */ + 0x40, 0x03, /* Loc-AFI = LCAF*/ + + /* LCAF header*/ + 0x00, 0x00, /* reserved1, flags */ + 0x02, /* type = Instance ID */ + 0x18, /* IID mask-len */ + 0x00, 0x16, /* iid length + next AFI lenght */ + /* LCAF Instance ID */ + 0x22, 0x44, 0x66, 0x88, /* iid */ + 0x00, 0x02, /* AFI = ipv6 */ + 0xcc, 0xdd, 0xee, 0xff, + 0x88, 0x99, 0xaa, 0xbb, + 0x44, 0x55, 0x66, 0x77, + 0x00, 0x11, 0x22, 0x33, /* ipv6 locator address */ + + /* 3rd locator */ + 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) == 3); + _assert (eid.ippref.addr.ip.v4.as_u32 == 0x66554433); + + /* check 1st locator - an LCAF with ipv4 */ + _assert (locs[0].local == 0); + _assert (locs[0].priority == 0xa); + _assert (locs[0].weight == 0xb); + _assert (locs[0].mpriority == 0xc); + _assert (locs[0].mweight == 0xd); + + _assert (gid_address_type (&locs[0].address) == GID_ADDR_IP_PREFIX); + _assert (gid_address_vni (&locs[0].address) == 0x09); + ip_prefix_t * ip_pref = &gid_address_ippref (&locs[0].address); + _assert (IP4 == ip_prefix_version (ip_pref)); + + /* 2nd locator - LCAF entry with ipv6 address */ + _assert (locs[1].local == 0); + _assert (locs[1].priority == 0x7); + _assert (locs[1].weight == 0x6); + _assert (locs[1].mpriority == 0x5); + _assert (locs[1].mweight == 0x4); + + _assert (gid_address_type (&locs[1].address) == GID_ADDR_IP_PREFIX); + _assert (0x22446688 == gid_address_vni (&locs[1].address)); + ip_pref = &gid_address_ippref (&locs[1].address); + _assert (IP6 == ip_prefix_version (ip_pref)); + + /* 3rd locator - simple ipv4 address */ + _assert (gid_address_type (&locs[2].address) == GID_ADDR_IP_PREFIX); +done: + clib_mem_free (b); + + for (i = 0; i < 3; i++) + locator_free (&locs[i]); + vec_free (locs); + return error; +} + +#define foreach_test_case \ + _(lisp_msg_put_mreq) \ + _(lisp_msg_put_mreq_with_lcaf) \ + _(lisp_msg_push_ecm) \ + _(lisp_msg_parse) \ + _(lisp_msg_parse_mapping_record) \ + _(lisp_parse_lcaf) \ + _(lisp_map_register) + +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 |