/* * vrrp.c - VRRP vpp-api-test plug-in * * Copyright 2019-2020 Rubicon Communications, LLC (Netgate) * * SPDX-License-Identifier: Apache-2.0 * */ #include <vat/vat.h> #include <vlibapi/api.h> #include <vlibmemory/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 <vnet/format_fns.h> #include <vrrp/vrrp.api_enum.h> #include <vrrp/vrrp.api_types.h> #include <vlibmemory/vlib.api_types.h> typedef struct { /* API message ID base */ u16 msg_id_base; u32 ping_id; vat_main_t *vat_main; } vrrp_test_main_t; vrrp_test_main_t vrrp_test_main; #define __plugin_msg_base vrrp_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> static int api_vrrp_vr_add_del (vat_main_t * vam) { unformat_input_t *i = vam->input; u32 sw_if_index = ~0; u32 vr_id, priority, interval; u8 is_ipv6, no_preempt, accept_mode, vr_unicast, is_add, is_del; u8 n_addrs4, n_addrs6; vl_api_vrrp_vr_add_del_t *mp; vl_api_address_t *api_addr; ip46_address_t *ip_addr, *ip_addrs = 0; ip46_address_t addr; int ret = 0; interval = priority = 100; n_addrs4 = n_addrs6 = 0; vr_id = is_ipv6 = no_preempt = accept_mode = vr_unicast = 0; is_add = is_del = 0; clib_memset (&addr, 0, sizeof (addr)); /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else if (unformat (i, "priority %u", &priority)) ; else if (unformat (i, "interval %u", &interval)) ; else if (unformat (i, "no_preempt")) no_preempt = 1; else if (unformat (i, "accept_mode")) accept_mode = 1; else if (unformat (i, "unicast")) vr_unicast = 1; else if (unformat (i, "%U", unformat_ip4_address, &addr.ip4)) { vec_add1 (ip_addrs, addr); n_addrs4++; clib_memset (&addr, 0, sizeof (addr)); } else if (unformat (i, "%U", unformat_ip6_address, &addr.ip6)) { vec_add1 (ip_addrs, addr); n_addrs6++; clib_memset (&addr, 0, sizeof (addr)); } else if (unformat (i, "add")) is_add = 1; else if (unformat (i, "del")) is_del = 1; else break; } if (is_add == is_del) { errmsg ("One of add or del must be specified\n"); ret = -99; } else if (sw_if_index == ~0) { errmsg ("Interface not set\n"); ret = -99; } else if (n_addrs4 && (n_addrs6 || is_ipv6)) { errmsg ("Address family mismatch\n"); ret = -99; } if (ret) goto done; /* Construct the API message */ M2 (VRRP_VR_ADD_DEL, mp, vec_len (ip_addrs) * sizeof (*api_addr)); mp->is_add = is_add; mp->sw_if_index = ntohl (sw_if_index); mp->vr_id = vr_id; mp->priority = priority; mp->interval = htons (interval); mp->flags = VRRP_API_VR_PREEMPT; /* preempt by default */ if (no_preempt) mp->flags &= ~VRRP_API_VR_PREEMPT; if (accept_mode) mp->flags |= VRRP_API_VR_ACCEPT; if (vr_unicast) mp->flags |= VRRP_API_VR_UNICAST; if (is_ipv6) mp->flags |= VRRP_API_VR_IPV6; mp->flags = htonl (mp->flags); mp->n_addrs = n_addrs4 + n_addrs6; api_addr = mp->addrs; vec_foreach (ip_addr, ip_addrs) { void *src, *dst; int len; if (is_ipv6) { api_addr->af = ADDRESS_IP6; src = &ip_addr->ip6; dst = &api_addr->un.ip6; len = sizeof (api_addr->un.ip6); } else { api_addr->af = ADDRESS_IP4; src = &ip_addr->ip4; dst = &api_addr->un.ip4; len = sizeof (api_addr->un.ip4); } clib_memcpy (dst, src, len); api_addr++; } /* send it... */ S (mp); /* Wait for a reply... */ W (ret); done: vec_free (ip_addrs); return ret; } static int api_vrrp_vr_dump (vat_main_t * vam) { vrrp_test_main_t *vtm = &vrrp_test_main; unformat_input_t *i = vam->input; vl_api_vrrp_vr_dump_t *mp; vl_api_control_ping_t *mp_ping; u32 sw_if_index = ~0; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for vrrp_vr_dump"); return -99; } while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else break; } M (VRRP_VR_DUMP, mp); mp->sw_if_index = htonl (sw_if_index); S (mp); mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); mp_ping->_vl_msg_id = htons (vtm->ping_id); mp_ping->client_index = vam->my_client_index; vam->result_ready = 0; S (mp_ping); W (ret); return ret; } static void vl_api_vrrp_vr_details_t_handler (vl_api_vrrp_vr_details_t * mp) { vat_main_t *vam = vrrp_test_main.vat_main; u32 api_flags = ntohl (mp->config.flags); int i; u32 state; char *states[] = { "VRRP_API_VR_STATE_INIT", "VRRP_API_VR_STATE_BACKUP", "VRRP_API_VR_STATE_MASTER", "BAD STATE!", }; state = ntohl (mp->runtime.state); if (state > ARRAY_LEN (states) - 2) state = ARRAY_LEN (states) - 1; fformat (vam->ofp, "sw_if_index %u vr_id %u IPv%d: " "priority %u interval %u preempt %s accept %s unicast %s " "state %s master_adv_interval %u skew %u master_down_interval %u " "mac %U ", ntohl (mp->config.sw_if_index), mp->config.vr_id, (mp->config.flags & VRRP_API_VR_IPV6) ? 6 : 4, mp->config.priority, htons (mp->config.interval), (api_flags & VRRP_API_VR_PREEMPT) ? "yes" : "no", (api_flags & VRRP_API_VR_ACCEPT) ? "yes" : "no", (api_flags & VRRP_API_VR_UNICAST) ? "yes" : "no", states[state], ntohs (mp->runtime.master_adv_int), ntohs (mp->runtime.skew), ntohs (mp->runtime.master_down_int), format_ethernet_address, &mp->runtime.mac); fformat (vam->ofp, "addresses: "); for (i = 0; i < mp->n_addrs; i++) { vl_api_address_t *addr = mp->addrs + i; fformat (vam->ofp, "%U ", (addr->af) ? format_ip6_address : format_ip4_address, (u8 *) & addr->un); } fformat (vam->ofp, "\n"); } static int api_vrrp_vr_start_stop (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_vrrp_vr_start_stop_t *mp; u32 sw_if_index = ~0, vr_id; u8 is_ipv6, is_start, is_stop; int ret; vr_id = is_ipv6 = is_start = is_stop = 0; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else if (unformat (i, "start")) is_start = 1; else if (unformat (i, "stop")) is_stop = 1; else break; } if (is_start == is_stop) { errmsg ("One of add or del must be specified\n"); return -99; } else if (sw_if_index == ~0) { errmsg ("Interface not set\n"); return -99; } else if (!vr_id) { errmsg ("VR ID must be between 1 and 255"); return -99; } M (VRRP_VR_START_STOP, mp); mp->sw_if_index = htonl (sw_if_index); mp->vr_id = vr_id; mp->is_ipv6 = (is_ipv6 != 0); mp->is_start = (is_start != 0); S (mp); W (ret); return ret; } static int api_vrrp_vr_track_if_add_del (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_vrrp_vr_track_if_add_del_t *mp; vl_api_vrrp_vr_track_if_t *track_ifs = 0, *track_if; u32 sw_if_index = ~0, track_sw_if_index = ~0, vr_id, priority; u8 is_ipv6, is_add, is_del; int ret; is_ipv6 = is_add = is_del = 0; vr_id = priority = 0; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else if (unformat (i, "track-index %u priority %u", &track_sw_if_index, &priority)) { vec_add2 (track_ifs, track_if, 1); track_if->sw_if_index = ntohl (track_sw_if_index); track_if->priority = priority; } else if (unformat (i, "add")) is_add = 1; else if (unformat (i, "del")) is_del = 1; else break; } if (is_add == is_del) { errmsg ("One of add or del must be specified\n"); ret = -99; } else if (sw_if_index == ~0) { errmsg ("VR interface not specified\n"); return -99; } else if (!vr_id) { errmsg ("Invalid VR ID - must be between 1 and 255"); return -99; } else if (vec_len (track_ifs) == 0) { errmsg ("No tracked interfaces specified for VR\n"); return -99; } vec_foreach (track_if, track_ifs) { if (!track_if->priority) { errmsg ("Priority must be nonzero"); vec_free (track_ifs); return -99; } } M2 (VRRP_VR_TRACK_IF_ADD_DEL, mp, vec_len (track_ifs) * sizeof (*track_if)); mp->sw_if_index = htonl (sw_if_index); mp->vr_id = vr_id; mp->is_ipv6 = (is_ipv6 != 0); mp->is_add = is_add; mp->n_ifs = vec_len (track_ifs); clib_memcpy (mp->ifs, track_ifs, mp->n_ifs * sizeof (*track_if)); S (mp); W (ret); return ret; } static int api_vrrp_vr_track_if_dump (vat_main_t * vam) { vrrp_test_main_t *vtm = &vrrp_test_main; unformat_input_t *i = vam->input; vl_api_vrrp_vr_track_if_dump_t *mp; vl_api_control_ping_t *mp_ping; u32 sw_if_index = ~0, vr_id = 0; u8 is_ipv6 = 0, dump_all = 0; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for vrrp_vr_track_if_dump"); return -99; } while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else break; } /* If no arguments were provided, dump all VRs */ if ((sw_if_index == ~0) && !vr_id && !is_ipv6) dump_all = 1; /* If any arguments provided, sw_if_index and vr_id must be valid */ else if (sw_if_index == ~0) { errmsg ("VR interface not specified\n"); return -99; } else if (!vr_id) { errmsg ("Invalid VR ID - must be between 1 and 255"); return -99; } M (VRRP_VR_TRACK_IF_DUMP, mp); mp->dump_all = dump_all; if (!dump_all) { mp->sw_if_index = htonl (sw_if_index); mp->vr_id = vr_id; mp->is_ipv6 = is_ipv6; } S (mp); mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); mp_ping->_vl_msg_id = htons (vtm->ping_id); mp_ping->client_index = vam->my_client_index; vam->result_ready = 0; S (mp_ping); W (ret); return ret; } static void vl_api_vrrp_vr_track_if_details_t_handler (vl_api_vrrp_vr_track_if_details_t * mp) { vat_main_t *vam = vrrp_test_main.vat_main; int i; for (i = 0; i < mp->n_ifs; i++) { fformat (vam->ofp, "VR sw_if_index %u vr_id %u IPv%d - " "track sw_if_index %u priority %u\n", ntohl (mp->sw_if_index), mp->vr_id, (mp->is_ipv6) ? 6 : 4, ntohl (mp->ifs[i].sw_if_index), mp->ifs[i].priority); } fformat (vam->ofp, "\n"); } static int api_vrrp_vr_set_peers (vat_main_t * vam) { unformat_input_t *i = vam->input; u32 sw_if_index = ~0; u32 vr_id; u8 is_ipv6; u8 n_addrs4, n_addrs6; vl_api_vrrp_vr_set_peers_t *mp; vl_api_address_t *api_addr; ip46_address_t *ip_addr, *ip_addrs = 0; ip46_address_t addr; int ret = 0; n_addrs4 = n_addrs6 = 0; vr_id = is_ipv6 = 0; clib_memset (&addr, 0, sizeof (addr)); /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else if (unformat (i, "%U", unformat_ip4_address, &addr.ip4)) { vec_add1 (ip_addrs, addr); n_addrs4++; clib_memset (&addr, 0, sizeof (addr)); } else if (unformat (i, "%U", unformat_ip6_address, &addr.ip6)) { vec_add1 (ip_addrs, addr); n_addrs6++; clib_memset (&addr, 0, sizeof (addr)); } else break; } if (sw_if_index == ~0) { errmsg ("Interface not set\n"); ret = -99; } else if (n_addrs4 && (n_addrs6 || is_ipv6)) { errmsg ("Address family mismatch\n"); ret = -99; } if (ret) goto done; /* Construct the API message */ M2 (VRRP_VR_SET_PEERS, mp, vec_len (ip_addrs) * sizeof (*api_addr)); mp->sw_if_index = ntohl (sw_if_index); mp->vr_id = vr_id; mp->is_ipv6 = (is_ipv6 != 0); mp->n_addrs = n_addrs4 + n_addrs6; api_addr = mp->addrs; vec_foreach (ip_addr, ip_addrs) { void *src, *dst; int len; if (is_ipv6) { api_addr->af = ADDRESS_IP6; src = &ip_addr->ip6; dst = &api_addr->un.ip6; len = sizeof (api_addr->un.ip6); } else { api_addr->af = ADDRESS_IP4; src = &ip_addr->ip4; dst = &api_addr->un.ip4; len = sizeof (api_addr->un.ip4); } clib_memcpy (dst, src, len); api_addr++; } /* send it... */ S (mp); /* Wait for a reply... */ W (ret); done: vec_free (ip_addrs); return ret; } static int api_vrrp_vr_peer_dump (vat_main_t * vam) { vrrp_test_main_t *vtm = &vrrp_test_main; unformat_input_t *i = vam->input; vl_api_vrrp_vr_peer_dump_t *mp; vl_api_control_ping_t *mp_ping; u32 sw_if_index = ~0, vr_id = 0; u8 is_ipv6 = 0; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for vrrp_vr_track_if_dump"); return -99; } while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %u", &sw_if_index)) ; else if (unformat (i, "vr_id %u", &vr_id)) ; else if (unformat (i, "ipv6")) is_ipv6 = 1; else break; } /* sw_if_index and vr_id must be valid */ if (sw_if_index == ~0) { errmsg ("VR interface not specified\n"); return -99; } else if (!vr_id) { errmsg ("Invalid VR ID - must be between 1 and 255"); return -99; } M (VRRP_VR_PEER_DUMP, mp); mp->sw_if_index = htonl (sw_if_index); mp->vr_id = vr_id; mp->is_ipv6 = is_ipv6; S (mp); mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); mp_ping->_vl_msg_id = htons (vtm->ping_id); mp_ping->client_index = vam->my_client_index; vam->result_ready = 0; S (mp_ping); W (ret); return ret; } static void vl_api_vrrp_vr_peer_details_t_handler (vl_api_vrrp_vr_peer_details_t * mp) { vat_main_t *vam = vrrp_test_main.vat_main; int i; fformat (vam->ofp, "sw_if_index %u vr_id %u IPv%d ", ntohl (mp->sw_if_index), mp->vr_id, (mp->is_ipv6) ? 6 : 4); fformat (vam->ofp, "peer addresses: "); for (i = 0; i < mp->n_peer_addrs; i++) { vl_api_address_t *addr = mp->peer_addrs + i; fformat (vam->ofp, "%U ", (addr->af) ? format_ip6_address : format_ip4_address, (u8 *) & addr->un); } fformat (vam->ofp, "\n"); } static int api_want_vrrp_vr_events (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_want_vrrp_vr_events_t *mp; int enable = -1; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "enable")) enable = 1; else if (unformat (i, "disable")) enable = 0; else break; } if (enable == -1) { errmsg ("missing enable|disable"); return -99; } M (WANT_VRRP_VR_EVENTS, mp); mp->enable_disable = enable; S (mp); W (ret); return ret; } #include <vrrp/vrrp.api_test.c> /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */