/* *------------------------------------------------------------------ * ip_api.c - vnet ip api * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define vl_typedefs /* define message structures */ #include #undef vl_typedefs #define vl_endianfun /* define message structures */ #include #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define vl_printfun #include #undef vl_printfun #include #include #define foreach_ip_api_msg \ _(IP_TABLE_DUMP, ip_table_dump) \ _(IP_ROUTE_DUMP, ip_route_dump) \ _(IP_MTABLE_DUMP, ip_mtable_dump) \ _(IP_MROUTE_DUMP, ip_mroute_dump) \ _(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \ _(IP_MROUTE_ADD_DEL, ip_mroute_add_del) \ _(MFIB_SIGNAL_DUMP, mfib_signal_dump) \ _(IP_ADDRESS_DUMP, ip_address_dump) \ _(IP_UNNUMBERED_DUMP, ip_unnumbered_dump) \ _(IP_DUMP, ip_dump) \ _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \ _(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit) \ _(IP_PROBE_NEIGHBOR, ip_probe_neighbor) \ _(IP_SCAN_NEIGHBOR_ENABLE_DISABLE, ip_scan_neighbor_enable_disable) \ _(WANT_IP4_ARP_EVENTS, want_ip4_arp_events) \ _(WANT_IP6_ND_EVENTS, want_ip6_nd_events) \ _(WANT_IP6_RA_EVENTS, want_ip6_ra_events) \ _(PROXY_ARP_ADD_DEL, proxy_arp_add_del) \ _(PROXY_ARP_DUMP, proxy_arp_dump) \ _(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable) \ _(PROXY_ARP_INTFC_DUMP, proxy_arp_intfc_dump) \ _(RESET_FIB, reset_fib) \ _(IP_ROUTE_ADD_DEL, ip_route_add_del) \ _(IP_TABLE_ADD_DEL, ip_table_add_del) \ _(IP_PUNT_POLICE, ip_punt_police) \ _(IP_PUNT_REDIRECT, ip_punt_redirect) \ _(SET_IP_FLOW_HASH,set_ip_flow_hash) \ _(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config) \ _(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix) \ _(IP6ND_PROXY_ADD_DEL, ip6nd_proxy_add_del) \ _(IP6ND_PROXY_DUMP, ip6nd_proxy_dump) \ _(IP6ND_SEND_ROUTER_SOLICITATION, ip6nd_send_router_solicitation) \ _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \ _(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del) \ _(IP_CONTAINER_PROXY_DUMP, ip_container_proxy_dump) \ _(IOAM_ENABLE, ioam_enable) \ _(IOAM_DISABLE, ioam_disable) \ _(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL, \ ip_source_and_port_range_check_add_del) \ _(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL, \ ip_source_and_port_range_check_interface_add_del) \ _(IP_SOURCE_CHECK_INTERFACE_ADD_DEL, \ ip_source_check_interface_add_del) \ _(IP_REASSEMBLY_SET, ip_reassembly_set) \ _(IP_REASSEMBLY_GET, ip_reassembly_get) \ _(IP_REASSEMBLY_ENABLE_DISABLE, ip_reassembly_enable_disable) \ _(IP_PUNT_REDIRECT_DUMP, ip_punt_redirect_dump) static vl_api_ip_neighbor_flags_t ip_neighbor_flags_encode (ip_neighbor_flags_t f) { vl_api_ip_neighbor_flags_t v = IP_API_NEIGHBOR_FLAG_NONE; if (f & IP_NEIGHBOR_FLAG_STATIC) v |= IP_API_NEIGHBOR_FLAG_STATIC; if (f & IP_NEIGHBOR_FLAG_NO_FIB_ENTRY) v |= IP_API_NEIGHBOR_FLAG_NO_FIB_ENTRY; return (clib_host_to_net_u32 (v)); } static void send_ip_neighbor_details (u32 sw_if_index, const ip46_address_t * ip_address, const mac_address_t * mac, ip_neighbor_flags_t flags, vl_api_registration_t * reg, u32 context) { vl_api_ip_neighbor_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS); mp->context = context; mp->neighbor.sw_if_index = htonl (sw_if_index); mp->neighbor.flags = ip_neighbor_flags_encode (flags); ip_address_encode (ip_address, IP46_TYPE_ANY, &mp->neighbor.ip_address); mac_address_encode (mac, mp->neighbor.mac_address); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; u32 sw_if_index = ntohl (mp->sw_if_index); if (mp->is_ipv6) { ip6_neighbor_t *n, *ns; ns = ip6_neighbors_entries (sw_if_index); /* *INDENT-OFF* */ vec_foreach (n, ns) { ip46_address_t nh = { .ip6 = { .as_u64[0] = n->key.ip6_address.as_u64[0], .as_u64[1] = n->key.ip6_address.as_u64[1], }, }; send_ip_neighbor_details (n->key.sw_if_index, &nh, &n->mac, n->flags, reg, mp->context); } /* *INDENT-ON* */ vec_free (ns); } else { ethernet_arp_ip4_entry_t *n, *ns; ns = ip4_neighbor_entries (sw_if_index); /* *INDENT-OFF* */ vec_foreach (n, ns) { ip46_address_t nh = { .ip4 = { .as_u32 = n->ip4_address.as_u32, }, }; send_ip_neighbor_details (n->sw_if_index, &nh, &n->mac, n->flags, reg, mp->context); } /* *INDENT-ON* */ vec_free (ns); } } static void send_ip_table_details (vpe_api_main_t * am, vl_api_registration_t * reg, u32 context, const fib_table_t * table) { vl_api_ip_table_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); if (!mp) return; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_TABLE_DETAILS); mp->context = context; mp->table.is_ip6 = (table->ft_proto == FIB_PROTOCOL_IP6); mp->table.table_id = htonl (table->ft_table_id); memcpy (mp->table.name, table->ft_desc, clib_min (vec_len (table->ft_desc), sizeof (mp->table.name))); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_ip_table_dump_t_handler (vl_api_ip_table_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_registration_t *reg; fib_table_t *fib_table; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach (fib_table, ip4_main.fibs, ({ send_ip_table_details(am, reg, mp->context, fib_table); })); pool_foreach (fib_table, ip6_main.fibs, ({ /* don't send link locals */ if (fib_table->ft_flags & FIB_TABLE_FLAG_IP6_LL) continue; send_ip_table_details(am, reg, mp->context, fib_table); })); /* *INDENT-ON* */ } typedef struct vl_api_ip_fib_dump_walk_ctx_t_ { fib_node_index_t *feis; } vl_api_ip_fib_dump_walk_ctx_t; static fib_table_walk_rc_t vl_api_ip_fib_dump_walk (fib_node_index_t fei, void *arg) { vl_api_ip_fib_dump_walk_ctx_t *ctx = arg; vec_add1 (ctx->feis, fei); return (FIB_TABLE_WALK_CONTINUE); } static void send_ip_route_details (vpe_api_main_t * am, vl_api_registration_t * reg, u32 context, fib_node_index_t fib_entry_index) { fib_route_path_t *rpaths, *rpath; vl_api_ip_route_details_t *mp; const fib_prefix_t *pfx; vl_api_fib_path_t *fp; int path_count; rpaths = NULL; pfx = fib_entry_get_prefix (fib_entry_index); rpaths = fib_entry_encode (fib_entry_index); path_count = vec_len (rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_ROUTE_DETAILS); mp->context = context; ip_prefix_encode (pfx, &mp->route.prefix); mp->route.table_id = htonl (fib_table_get_table_id (fib_entry_get_fib_index (fib_entry_index), pfx->fp_proto)); mp->route.n_paths = path_count; mp->route.stats_index = htonl (fib_table_entry_get_stats_index (fib_entry_get_fib_index (fib_entry_index), pfx)); fp = mp->route.paths; vec_foreach (rpath, rpaths) { fib_api_path_encode (rpath, fp); fp++; } vl_api_send_msg (reg, (u8 *) mp); } typedef struct apt_ip6_fib_show_ctx_t_ { fib_node_index_t *entries; } api_ip6_fib_show_ctx_t; static void vl_api_ip_route_dump_t_handler (vl_api_ip_route_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; fib_node_index_t *fib_entry_index; vl_api_registration_t *reg; fib_protocol_t fproto; u32 fib_index; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; vl_api_ip_fib_dump_walk_ctx_t ctx = { .feis = NULL, }; fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4); fib_index = fib_table_find (fproto, ntohl (mp->table.table_id)); if (INDEX_INVALID == fib_index) return; fib_table_walk (fib_index, fproto, vl_api_ip_fib_dump_walk, &ctx); vec_foreach (fib_entry_index, ctx.feis) { send_ip_route_details (am, reg, mp->context, *fib_entry_index); } vec_free (ctx.feis); } static void send_ip_mtable_details (vl_api_registration_t * reg, u32 context, const mfib_table_t * mfib_table) { vl_api_ip_mtable_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); if (!mp) return; memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_MTABLE_DETAILS); mp->context = context; mp->table.table_id = htonl (mfib_table->mft_table_id); mp->table.is_ip6 = (FIB_PROTOCOL_IP6 == mfib_table->mft_proto); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_ip_mtable_dump_t_handler (vl_api_ip_mtable_dump_t * mp) { vl_api_registration_t *reg; mfib_table_t *mfib_table; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach (mfib_table, ip4_main.mfibs, ({ send_ip_mtable_details (reg, mp->context, mfib_table); })); pool_foreach (mfib_table, ip6_main.mfibs, ({ send_ip_mtable_details (reg, mp->context, mfib_table); })); /* *INDENT-ON* */ } typedef struct vl_api_ip_mfib_dump_ctx_t_ { fib_node_index_t *entries; } vl_api_ip_mfib_dump_ctx_t; static int mfib_route_dump_walk (fib_node_index_t fei, void *arg) { vl_api_ip_mfib_dump_ctx_t *ctx = arg; vec_add1 (ctx->entries, fei); return (0); } static void send_ip_mroute_details (vpe_api_main_t * am, vl_api_registration_t * reg, u32 context, fib_node_index_t mfib_entry_index) { fib_route_path_t *rpaths, *rpath; vl_api_ip_mroute_details_t *mp; const mfib_prefix_t *pfx; vl_api_mfib_path_t *fp; int path_count; rpaths = NULL; pfx = mfib_entry_get_prefix (mfib_entry_index); rpaths = mfib_entry_encode (mfib_entry_index); path_count = vec_len (rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_MROUTE_DETAILS); mp->context = context; ip_mprefix_encode (pfx, &mp->route.prefix); mp->route.table_id = htonl (mfib_table_get_table_id (mfib_entry_get_fib_index (mfib_entry_index), pfx->fp_proto)); mp->route.n_paths = htonl (path_count); fp = mp->route.paths; vec_foreach (rpath, rpaths) { mfib_api_path_encode (rpath, fp); fp++; } vl_api_send_msg (reg, (u8 *) mp); vec_free (rpaths); } static void vl_api_ip_mroute_dump_t_handler (vl_api_ip_mroute_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_registration_t *reg; fib_node_index_t *mfeip; fib_protocol_t fproto; u32 fib_index; vl_api_ip_mfib_dump_ctx_t ctx = { .entries = NULL, }; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; fproto = fib_ip_proto (mp->table.is_ip6); fib_index = mfib_table_find (fproto, ntohl (mp->table.table_id)); if (INDEX_INVALID == fib_index) return; mfib_table_walk (fib_index, fproto, mfib_route_dump_walk, &ctx); vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort); vec_foreach (mfeip, ctx.entries) { send_ip_mroute_details (am, reg, mp->context, *mfeip); } vec_free (ctx.entries); } static void vl_api_ip_punt_police_t_handler (vl_api_ip_punt_police_t * mp, vlib_main_t * vm) { vl_api_ip_punt_police_reply_t *rmp; int rv = 0; if (mp->is_ip6) ip6_punt_policer_add_del (mp->is_add, ntohl (mp->policer_index)); else ip4_punt_policer_add_del (mp->is_add, ntohl (mp->policer_index)); REPLY_MACRO (VL_API_IP_PUNT_POLICE_REPLY); } static void vl_api_ip_punt_redirect_t_handler (vl_api_ip_punt_redirect_t * mp, vlib_main_t * vm) { vl_api_ip_punt_redirect_reply_t *rmp; int rv = 0; ip46_type_t ipv; ip46_address_t nh; if (!vnet_sw_if_index_is_api_valid (ntohl (mp->punt.tx_sw_if_index))) goto bad_sw_if_index; ipv = ip_address_decode (&mp->punt.nh, &nh); if (mp->is_add) { if (ipv == IP46_TYPE_IP6) { ip6_punt_redirect_add (ntohl (mp->punt.rx_sw_if_index), ntohl (mp->punt.tx_sw_if_index), &nh); } else if (ipv == IP46_TYPE_IP4) { ip4_punt_redirect_add (ntohl (mp->punt.rx_sw_if_index), ntohl (mp->punt.tx_sw_if_index), &nh); } } else { if (ipv == IP46_TYPE_IP6) { ip6_punt_redirect_del (ntohl (mp->punt.rx_sw_if_index)); } else if (ipv == IP46_TYPE_IP4) { ip4_punt_redirect_del (ntohl (mp->punt.rx_sw_if_index)); } } BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY); } static ip_neighbor_flags_t ip_neighbor_flags_decode (vl_api_ip_neighbor_flags_t v) { ip_neighbor_flags_t f = IP_NEIGHBOR_FLAG_NONE; v = clib_net_to_host_u32 (v); if (v & IP_API_NEIGHBOR_FLAG_STATIC) f |= IP_NEIGHBOR_FLAG_STATIC; if (v & IP_API_NEIGHBOR_FLAG_NO_FIB_ENTRY) f |= IP_NEIGHBOR_FLAG_NO_FIB_ENTRY; return (f); } static void vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp, vlib_main_t * vm) { vl_api_ip_neighbor_add_del_reply_t *rmp; ip_neighbor_flags_t flags; u32 stats_index = ~0; ip46_address_t ip; mac_address_t mac; ip46_type_t type; int rv; VALIDATE_SW_IF_INDEX ((&mp->neighbor)); flags = ip_neighbor_flags_decode (mp->neighbor.flags); type = ip_address_decode (&mp->neighbor.ip_address, &ip); mac_address_decode (mp->neighbor.mac_address, &mac); /* * there's no validation here of the ND/ARP entry being added. * The expectation is that the FIB will ensure that nothing bad * will come of adding bogus entries. */ if (mp->is_add) rv = ip_neighbor_add (&ip, type, &mac, ntohl (mp->neighbor.sw_if_index), flags, &stats_index); else rv = ip_neighbor_del (&ip, type, ntohl (mp->neighbor.sw_if_index)); BAD_SW_IF_INDEX_LABEL; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY, ({ rmp->stats_index = htonl (stats_index); })); /* *INDENT-ON* */ } void ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api) { u32 fib_index, mfib_index; /* * ignore action on the default table - this is always present * and cannot be added nor deleted from the API */ if (0 != table_id) { /* * The API holds only one lock on the table. * i.e. it can be added many times via the API but needs to be * deleted only once. * The FIB index for unicast and multicast is not necessarily the * same, since internal VPP systesm (like LISP and SR) create * their own unicast tables. */ fib_index = fib_table_find (fproto, table_id); mfib_index = mfib_table_find (fproto, table_id); if (~0 != fib_index) { fib_table_unlock (fib_index, fproto, (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI)); } if (~0 != mfib_index) { mfib_table_unlock (mfib_index, fproto, (is_api ? MFIB_SOURCE_API : MFIB_SOURCE_CLI)); } } } void vl_api_ip_table_add_del_t_handler (vl_api_ip_table_add_del_t * mp) { vl_api_ip_table_add_del_reply_t *rmp; fib_protocol_t fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4); u32 table_id = ntohl (mp->table.table_id); int rv = 0; if (mp->is_add) { ip_table_create (fproto, table_id, 1, mp->table.name); } else { ip_table_delete (fproto, table_id, 1); } REPLY_MACRO (VL_API_IP_TABLE_ADD_DEL_REPLY); } static int ip_route_add_del_t_handler (vl_api_ip_route_add_del_t * mp, u32 * stats_index) { fib_route_path_t *rpaths = NULL, *rpath; fib_entry_flag_t entry_flags; vl_api_fib_path_t *apath; fib_prefix_t pfx; u32 fib_index; int rv, ii; entry_flags = FIB_ENTRY_FLAG_NONE; ip_prefix_decode (&mp->route.prefix, &pfx); rv = fib_api_table_id_decode (pfx.fp_proto, ntohl (mp->route.table_id), &fib_index); if (0 != rv) goto out; if (0 != mp->route.n_paths) vec_validate (rpaths, mp->route.n_paths - 1); for (ii = 0; ii < mp->route.n_paths; ii++) { apath = &mp->route.paths[ii]; rpath = &rpaths[ii]; rv = fib_api_path_decode (apath, rpath); if ((rpath->frp_flags & FIB_ROUTE_PATH_LOCAL) && (~0 == rpath->frp_sw_if_index)) entry_flags |= (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL); if (0 != rv) goto out; } rv = fib_api_route_add_del (mp->is_add, mp->is_multipath, fib_index, &pfx, entry_flags, rpaths); if (mp->is_add && 0 == rv) *stats_index = fib_table_entry_get_stats_index (fib_index, &pfx); out: vec_free (rpaths); return (rv); } void vl_api_ip_route_add_del_t_handler (vl_api_ip_route_add_del_t * mp) { vl_api_ip_route_add_del_reply_t *rmp; u32 stats_index = ~0; int rv; rv = ip_route_add_del_t_handler (mp, &stats_index); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_IP_ROUTE_ADD_DEL_REPLY, ({ rmp->stats_index = htonl (stats_index); })) /* *INDENT-ON* */ } void ip_table_create (fib_protocol_t fproto, u32 table_id, u8 is_api, const u8 * name) { u32 fib_index, mfib_index; /* * ignore action on the default table - this is always present * and cannot be added nor deleted from the API */ if (0 != table_id) { /* * The API holds only one lock on the table. * i.e. it can be added many times via the API but needs to be * deleted only once. * The FIB index for unicast and multicast is not necessarily the * same, since internal VPP systesm (like LISP and SR) create * their own unicast tables. */ fib_index = fib_table_find (fproto, table_id); mfib_index = mfib_table_find (fproto, table_id); if (~0 == fib_index) { fib_table_find_or_create_and_lock_w_name (fproto, table_id, (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI), name); } if (~0 == mfib_index) { mfib_table_find_or_create_and_lock_w_name (fproto, table_id, (is_api ? MFIB_SOURCE_API : MFIB_SOURCE_CLI), name); } } } static u32 mroute_add_del_handler (u8 is_add, u8 is_multipath, u32 fib_index, const mfib_prefix_t * prefix, u32 entry_flags, u32 rpf_id, fib_route_path_t * rpaths) { u32 mfib_entry_index = ~0; if (0 == vec_len (rpaths)) { mfib_entry_index = mfib_table_entry_update (fib_index, prefix, MFIB_SOURCE_API, rpf_id, entry_flags); } else { if (is_add) { mfib_entry_index = mfib_table_entry_paths_update (fib_index, prefix, MFIB_SOURCE_API, rpaths); } else { mfib_table_entry_paths_remove (fib_index, prefix, MFIB_SOURCE_API, rpaths); } } return (mfib_entry_index); } static int api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp, u32 * stats_index) { fib_route_path_t *rpath, *rpaths = NULL; fib_node_index_t mfib_entry_index; mfib_prefix_t pfx; u32 fib_index; int rv; u16 ii; ip_mprefix_decode (&mp->route.prefix, &pfx); rv = mfib_api_table_id_decode (pfx.fp_proto, ntohl (mp->route.table_id), &fib_index); if (0 != rv) goto out; vec_validate (rpaths, mp->route.n_paths - 1); for (ii = 0; ii < mp->route.n_paths; ii++) { rpath = &rpaths[ii]; rv = mfib_api_path_decode (&mp->route.paths[ii], rpath); if (0 != rv) goto out; } mfib_entry_index = mroute_add_del_handler (mp->is_add, mp->is_add, fib_index, &pfx, ntohl (mp->route.entry_flags), ntohl (mp->route.rpf_id), rpaths); if (~0 != mfib_entry_index) *stats_index = mfib_entry_get_stats_index (mfib_entry_index); out: return (rv); } void vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp) { vl_api_ip_mroute_add_del_reply_t *rmp; u32 stats_index = ~0; int rv; rv = api_mroute_add_del_t_handler (mp, &stats_index); /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_IP_MROUTE_ADD_DEL_REPLY, ({ rmp->stats_index = htonl (stats_index); })); /* *INDENT-ON* */ } static void send_ip_details (vpe_api_main_t * am, vl_api_registration_t * reg, u32 sw_if_index, u8 is_ipv6, u32 context) { vl_api_ip_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS); mp->sw_if_index = ntohl (sw_if_index); mp->is_ipv6 = is_ipv6; mp->context = context; vl_api_send_msg (reg, (u8 *) mp); } static void send_ip_address_details (vpe_api_main_t * am, vl_api_registration_t * reg, const fib_prefix_t * pfx, u32 sw_if_index, u32 context) { vl_api_ip_address_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS); ip_prefix_encode (pfx, &mp->prefix); mp->context = context; mp->sw_if_index = htonl (sw_if_index); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_registration_t *reg; ip6_main_t *im6 = &ip6_main; ip4_main_t *im4 = &ip4_main; ip_lookup_main_t *lm6 = &im6->lookup_main; ip_lookup_main_t *lm4 = &im4->lookup_main; ip_interface_address_t *ia = 0; u32 sw_if_index = ~0; int rv __attribute__ ((unused)) = 0; VALIDATE_SW_IF_INDEX (mp); sw_if_index = ntohl (mp->sw_if_index); reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; if (mp->is_ipv6) { /* *INDENT-OFF* */ /* Do not send subnet details of the IP-interface for * unnumbered interfaces. otherwise listening clients * will be confused that the subnet is applied on more * than one interface */ foreach_ip_interface_address (lm6, ia, sw_if_index, 0, ({ fib_prefix_t pfx = { .fp_addr.ip6 = *(ip6_address_t *)ip_interface_address_get_address (lm6, ia), .fp_len = ia->address_length, .fp_proto = FIB_PROTOCOL_IP6, }; send_ip_address_details(am, reg, &pfx, sw_if_index, mp->context); })); /* *INDENT-ON* */ } else { /* *INDENT-OFF* */ foreach_ip_interface_address (lm4, ia, sw_if_index, 0, ({ fib_prefix_t pfx = { .fp_addr.ip4 = *(ip4_address_t *)ip_interface_address_get_address (lm4, ia), .fp_len = ia->address_length, .fp_proto = FIB_PROTOCOL_IP4, }; send_ip_address_details(am, reg, &pfx, sw_if_index, mp->context); })); /* *INDENT-ON* */ } BAD_SW_IF_INDEX_LABEL; } static void send_ip_unnumbered_details (vpe_api_main_t * am, vl_api_registration_t * reg, u32 sw_if_index, u32 ip_sw_if_index, u32 context) { vl_api_ip_unnumbered_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_UNNUMBERED_DETAILS); mp->context = context; mp->sw_if_index = htonl (sw_if_index); mp->ip_sw_if_index = htonl (ip_sw_if_index); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_ip_unnumbered_dump_t_handler (vl_api_ip_unnumbered_dump_t * mp) { vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; int rv __attribute__ ((unused)) = 0; vpe_api_main_t *am = &vpe_api_main; vl_api_registration_t *reg; vnet_sw_interface_t *si; u32 sw_if_index; sw_if_index = ntohl (mp->sw_if_index); reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; if (~0 != sw_if_index) { VALIDATE_SW_IF_INDEX (mp); si = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index)); if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) { send_ip_unnumbered_details (am, reg, sw_if_index, si->unnumbered_sw_if_index, mp->context); } } else { /* *INDENT-OFF* */ pool_foreach (si, im->sw_interfaces, ({ if ((si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) { send_ip_unnumbered_details(am, reg, si->sw_if_index, si->unnumbered_sw_if_index, mp->context); } })); /* *INDENT-ON* */ } BAD_SW_IF_INDEX_LABEL; } static void vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); vnet_interface_main_t *im = &vnm->interface_main; vl_api_registration_t *reg; vnet_sw_interface_t *si, *sorted_sis; u32 sw_if_index = ~0; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* Gather interfaces. */ sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces)); _vec_len (sorted_sis) = 0; /* *INDENT-OFF* */ pool_foreach (si, im->sw_interfaces, ({ vec_add1 (sorted_sis, si[0]); })); /* *INDENT-ON* */ vec_foreach (si, sorted_sis) { if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) { if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index)) { continue; } sw_if_index = si->sw_if_index; send_ip_details (am, reg, sw_if_index, mp->is_ipv6, mp->context); } } } static void set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp) { vl_api_set_ip_flow_hash_reply_t *rmp; int rv; u32 table_id; flow_hash_config_t flow_hash_config = 0; table_id = ntohl (mp->vrf_id); #define _(a,b) if (mp->a) flow_hash_config |= b; foreach_flow_hash_bit; #undef _ rv = vnet_set_ip6_flow_hash (table_id, flow_hash_config); REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY); } static void set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp) { vl_api_set_ip_flow_hash_reply_t *rmp; int rv; u32 table_id; flow_hash_config_t flow_hash_config = 0; table_id = ntohl (mp->vrf_id); #define _(a,b) if (mp->a) flow_hash_config |= b; foreach_flow_hash_bit; #undef _ rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config); REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY); } static void vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp) { if (mp->is_ipv6 == 0) set_ip4_flow_hash (mp); else set_ip6_flow_hash (mp); } static void vl_api_sw_interface_ip6nd_ra_config_t_handler (vl_api_sw_interface_ip6nd_ra_config_t * mp) { vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp; vlib_main_t *vm = vlib_get_main (); int rv = 0; u8 is_no, suppress, managed, other, ll_option, send_unicast, cease, default_router; is_no = mp->is_no == 1; suppress = mp->suppress == 1; managed = mp->managed == 1; other = mp->other == 1; ll_option = mp->ll_option == 1; send_unicast = mp->send_unicast == 1; cease = mp->cease == 1; default_router = mp->default_router == 1; VALIDATE_SW_IF_INDEX (mp); rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index), suppress, managed, other, ll_option, send_unicast, cease, default_router, ntohl (mp->lifetime), ntohl (mp->initial_count), ntohl (mp->initial_interval), ntohl (mp->max_interval), ntohl (mp->min_interval), is_no); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY); } static void vl_api_sw_interface_ip6nd_ra_prefix_t_handler (vl_api_sw_interface_ip6nd_ra_prefix_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp; fib_prefix_t pfx; int rv = 0; u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink; VALIDATE_SW_IF_INDEX (mp); ip_prefix_decode (&mp->prefix, &pfx); is_no = mp->is_no == 1; use_default = mp->use_default == 1; no_advertise = mp->no_advertise == 1; off_link = mp->off_link == 1; no_autoconfig = mp->no_autoconfig == 1; no_onlink = mp->no_onlink == 1; rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index), &pfx.fp_addr.ip6, pfx.fp_len, use_default, ntohl (mp->val_lifetime), ntohl (mp->pref_lifetime), no_advertise, off_link, no_autoconfig, no_onlink, is_no); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY); } static void send_ip6nd_proxy_details (vl_api_registration_t * reg, u32 context, const ip46_address_t * addr, u32 sw_if_index) { vl_api_ip6nd_proxy_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP6ND_PROXY_DETAILS); mp->context = context; mp->sw_if_index = htonl (sw_if_index); ip6_address_encode (&addr->ip6, mp->ip); vl_api_send_msg (reg, (u8 *) mp); } typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_ { u32 *indices; } api_ip6nd_proxy_fib_table_walk_ctx_t; static fib_table_walk_rc_t api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg) { api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg; if (fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND_PROXY)) { vec_add1 (ctx->indices, fei); } return (FIB_TABLE_WALK_CONTINUE); } static void vl_api_ip6nd_proxy_dump_t_handler (vl_api_ip6nd_proxy_dump_t * mp) { ip6_main_t *im6 = &ip6_main; fib_table_t *fib_table; api_ip6nd_proxy_fib_table_walk_ctx_t ctx = { .indices = NULL, }; fib_node_index_t *feip; const fib_prefix_t *pfx; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach (fib_table, im6->fibs, ({ fib_table_walk(fib_table->ft_index, FIB_PROTOCOL_IP6, api_ip6nd_proxy_fib_table_walk, &ctx); })); /* *INDENT-ON* */ vec_sort_with_function (ctx.indices, fib_entry_cmp_for_sort); vec_foreach (feip, ctx.indices) { pfx = fib_entry_get_prefix (*feip); send_ip6nd_proxy_details (reg, mp->context, &pfx->fp_addr, fib_entry_get_resolving_interface (*feip)); } vec_free (ctx.indices); } static void vl_api_ip6nd_proxy_add_del_t_handler (vl_api_ip6nd_proxy_add_del_t * mp) { vl_api_ip6nd_proxy_add_del_reply_t *rmp; ip6_address_t ip6; int rv = 0; VALIDATE_SW_IF_INDEX (mp); ip6_address_decode (mp->ip, &ip6); rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index), &ip6, mp->is_del); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY); } static void vl_api_ip6nd_send_router_solicitation_t_handler (vl_api_ip6nd_send_router_solicitation_t * mp) { vl_api_ip6nd_send_router_solicitation_reply_t *rmp; icmp6_send_router_solicitation_params_t params; vlib_main_t *vm = vlib_get_main (); int rv = 0; VALIDATE_SW_IF_INDEX (mp); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP6ND_SEND_ROUTER_SOLICITATION_REPLY); if (rv != 0) return; params.irt = ntohl (mp->irt); params.mrt = ntohl (mp->mrt); params.mrc = ntohl (mp->mrc); params.mrd = ntohl (mp->mrd); icmp6_send_router_solicitation (vm, ntohl (mp->sw_if_index), mp->stop, ¶ms); } static void vl_api_sw_interface_ip6_enable_disable_t_handler (vl_api_sw_interface_ip6_enable_disable_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_sw_interface_ip6_enable_disable_reply_t *rmp; vnet_main_t *vnm = vnet_get_main (); int rv = 0; clib_error_t *error; vnm->api_errno = 0; VALIDATE_SW_IF_INDEX (mp); error = (mp->enable == 1) ? enable_ip6_interface (vm, ntohl (mp->sw_if_index)) : disable_ip6_interface (vm, ntohl (mp->sw_if_index)); if (error) { clib_error_report (error); rv = VNET_API_ERROR_UNSPECIFIED; } else { rv = vnm->api_errno; } BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY); } void vl_mfib_signal_send_one (vl_api_registration_t * reg, u32 context, const mfib_signal_t * mfs) { vl_api_mfib_signal_details_t *mp; const mfib_prefix_t *prefix; mfib_table_t *mfib; mfib_itf_t *mfi; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS); mp->context = context; mfi = mfib_itf_get (mfs->mfs_itf); prefix = mfib_entry_get_prefix (mfs->mfs_entry); mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry), prefix->fp_proto); mp->table_id = ntohl (mfib->mft_table_id); mp->sw_if_index = ntohl (mfi->mfi_sw_if_index); ip_mprefix_encode (prefix, &mp->prefix); if (0 != mfs->mfs_buffer_len) { mp->ip_packet_len = ntohs (mfs->mfs_buffer_len); memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len); } else { mp->ip_packet_len = 0; } vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; while (vl_api_can_send_msg (reg) && mfib_signal_send_one (reg, mp->context)) ; } static void vl_api_ip_container_proxy_add_del_t_handler (vl_api_ip_container_proxy_add_del_t * mp) { vl_api_ip_container_proxy_add_del_reply_t *rmp; vnet_ip_container_proxy_args_t args; int rv = 0; clib_error_t *error; clib_memset (&args, 0, sizeof (args)); ip_prefix_decode (&mp->pfx, &args.prefix); args.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index); args.is_add = mp->is_add; if ((error = vnet_ip_container_proxy_add_del (&args))) { rv = clib_error_get_code (error); clib_error_report (error); } REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY); } typedef struct ip_container_proxy_walk_ctx_t_ { vl_api_registration_t *reg; u32 context; } ip_container_proxy_walk_ctx_t; static int ip_container_proxy_send_details (const fib_prefix_t * pfx, u32 sw_if_index, void *args) { vl_api_ip_container_proxy_details_t *mp; ip_container_proxy_walk_ctx_t *ctx = args; mp = vl_msg_api_alloc (sizeof (*mp)); if (!mp) return 1; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_CONTAINER_PROXY_DETAILS); mp->context = ctx->context; mp->sw_if_index = ntohl (sw_if_index); ip_prefix_encode (pfx, &mp->prefix); vl_api_send_msg (ctx->reg, (u8 *) mp); return 1; } static void vl_api_ip_container_proxy_dump_t_handler (vl_api_ip_container_proxy_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; ip_container_proxy_walk_ctx_t ctx = { .context = mp->context, .reg = reg, }; ip_container_proxy_walk (ip_container_proxy_send_details, &ctx); } static void vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp) { int rv = 0; vl_api_ioam_enable_reply_t *rmp; clib_error_t *error; /* Ignoring the profile id as currently a single profile * is supported */ error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable, mp->seqno, mp->analyse); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_IOAM_ENABLE_REPLY); } static void vl_api_ioam_disable_t_handler (vl_api_ioam_disable_t * mp) { int rv = 0; vl_api_ioam_disable_reply_t *rmp; clib_error_t *error; error = clear_ioam_rewrite_fn (); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } REPLY_MACRO (VL_API_IOAM_DISABLE_REPLY); } static void vl_api_ip_source_and_port_range_check_add_del_t_handler (vl_api_ip_source_and_port_range_check_add_del_t * mp) { vl_api_ip_source_and_port_range_check_add_del_reply_t *rmp; int rv = 0; u8 is_add = mp->is_add; fib_prefix_t pfx; u16 *low_ports = 0; u16 *high_ports = 0; u32 vrf_id; u16 tmp_low, tmp_high; u8 num_ranges; int i; ip_prefix_decode (&mp->prefix, &pfx); // Validate port range num_ranges = mp->number_of_ranges; if (num_ranges > 32) { // This is size of array in VPE.API rv = VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY; goto reply; } vec_reset_length (low_ports); vec_reset_length (high_ports); for (i = 0; i < num_ranges; i++) { tmp_low = mp->low_ports[i]; tmp_high = mp->high_ports[i]; // If tmp_low <= tmp_high then only need to check tmp_low = 0 // If tmp_low <= tmp_high then only need to check tmp_high > 65535 if (tmp_low > tmp_high || tmp_low == 0 || tmp_high > 65535) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } vec_add1 (low_ports, tmp_low); vec_add1 (high_ports, tmp_high + 1); } vrf_id = ntohl (mp->vrf_id); if (vrf_id < 1) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } if (FIB_PROTOCOL_IP6 == pfx.fp_proto) { rv = ip6_source_and_port_range_check_add_del (&pfx.fp_addr.ip6, pfx.fp_len, vrf_id, low_ports, high_ports, is_add); } else { rv = ip4_source_and_port_range_check_add_del (&pfx.fp_addr.ip4, pfx.fp_len, vrf_id, low_ports, high_ports, is_add); } reply: vec_free (low_ports); vec_free (high_ports); REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL_REPLY); } static void vl_api_ip_source_and_port_range_check_interface_add_del_t_handler (vl_api_ip_source_and_port_range_check_interface_add_del_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_ip_source_and_port_range_check_interface_add_del_reply_t *rmp; ip4_main_t *im = &ip4_main; int rv; u32 sw_if_index; u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; uword *p = 0; int i; vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] = ntohl (mp->tcp_out_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] = ntohl (mp->udp_out_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] = ntohl (mp->tcp_in_vrf_id); vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] = ntohl (mp->udp_in_vrf_id); for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++) { if (vrf_id[i] != 0 && vrf_id[i] != ~0) { p = hash_get (im->fib_index_by_table_id, vrf_id[i]); if (p == 0) { rv = VNET_API_ERROR_INVALID_VALUE; goto reply; } fib_index[i] = p[0]; } else fib_index[i] = ~0; } sw_if_index = ntohl (mp->sw_if_index); VALIDATE_SW_IF_INDEX (mp); rv = set_ip_source_and_port_range_check (vm, fib_index, sw_if_index, mp->is_add); BAD_SW_IF_INDEX_LABEL; reply: REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL_REPLY); } typedef union { u32 fib_index; } ip4_source_check_config_t; static void vl_api_ip_source_check_interface_add_del_t_handler (vl_api_ip_source_check_interface_add_del_t * mp) { vl_api_ip_source_check_interface_add_del_reply_t *rmp; int rv; u32 sw_if_index = ntohl (mp->sw_if_index); u8 is_add = mp->is_add; char *feature_name = mp->loose ? "ip4-source-check-via-any" : "ip4-source-check-via-rx"; ip4_source_check_config_t config; VALIDATE_SW_IF_INDEX (mp); config.fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4, sw_if_index); rv = vnet_feature_enable_disable ("ip4-unicast", feature_name, sw_if_index, is_add, &config, sizeof (config)); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP_SOURCE_CHECK_INTERFACE_ADD_DEL_REPLY); } #define IP4_ARP_EVENT 3 #define IP6_ND_EVENT 4 static vlib_node_registration_t ip_resolver_process_node; static int arp_change_delete_callback (u32 pool_index, const mac_address_t * mac, u32 sw_if_index, const ip4_address_t * address) { vpe_api_main_t *am = &vpe_api_main; if (pool_is_free_index (am->arp_events, pool_index)) return 1; pool_put_index (am->arp_events, pool_index); return 0; } static void handle_ip4_arp_event (u32 pool_index) { vpe_api_main_t *vam = &vpe_api_main; vnet_main_t *vnm = vam->vnet_main; vlib_main_t *vm = vam->vlib_main; vl_api_ip4_arp_event_t *event; vl_api_ip4_arp_event_t *mp; vl_api_registration_t *reg; /* Client can cancel, die, etc. */ if (pool_is_free_index (vam->arp_events, pool_index)) return; event = pool_elt_at_index (vam->arp_events, pool_index); reg = vl_api_client_index_to_registration (event->client_index); if (!reg) { (void) vnet_add_del_ip4_arp_change_event (vnm, arp_change_delete_callback, event->pid, event->ip, ip_resolver_process_node.index, IP4_ARP_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); return; } if (vl_api_can_send_msg (reg)) { mp = vl_msg_api_alloc (sizeof (*mp)); clib_memcpy (mp, event, sizeof (*mp)); vl_api_send_msg (reg, (u8 *) mp); } else { static f64 last_time; /* * Throttle syslog msgs. * It's pretty tempting to just revoke the registration... */ if (vlib_time_now (vm) > last_time + 10.0) { clib_warning ("arp event for %U to pid %d: queue stuffed!", format_ip4_address, event->ip, event->pid); last_time = vlib_time_now (vm); } } } static int nd_change_delete_callback (u32 pool_index, const mac_address_t * mac, u32 sw_if_index, const ip6_address_t * addr) { vpe_api_main_t *am = &vpe_api_main; if (pool_is_free_index (am->nd_events, pool_index)) return 1; pool_put_index (am->nd_events, pool_index); return 0; } static void handle_ip6_nd_event (u32 pool_index) { vpe_api_main_t *vam = &vpe_api_main; vnet_main_t *vnm = vam->vnet_main; vlib_main_t *vm = vam->vlib_main; vl_api_ip6_nd_event_t *event; vl_api_ip6_nd_event_t *mp; vl_api_registration_t *reg; /* Client can cancel, die, etc. */ if (pool_is_free_index (vam->nd_events, pool_index)) return; event = pool_elt_at_index (vam->nd_events, pool_index); reg = vl_api_client_index_to_registration (event->client_index); if (!reg) { (void) vnet_add_del_ip6_nd_change_event (vnm, nd_change_delete_callback, event->pid, event->ip, ip_resolver_process_node.index, IP6_ND_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); return; } if (vl_api_can_send_msg (reg)) { mp = vl_msg_api_alloc (sizeof (*mp)); clib_memcpy (mp, event, sizeof (*mp)); vl_api_send_msg (reg, (u8 *) mp); } else { static f64 last_time; /* * Throttle syslog msgs. * It's pretty tempting to just revoke the registration... */ if (vlib_time_now (vm) > last_time + 10.0) { clib_warning ("ip6 nd event for %U to pid %d: queue stuffed!", format_ip6_address, event->ip, event->pid); last_time = vlib_time_now (vm); } } } static uword resolver_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { volatile f64 timeout = 100.0; volatile uword *event_data = 0; while (1) { vlib_process_wait_for_event_or_clock (vm, timeout); uword event_type = vlib_process_get_events (vm, (uword **) & event_data); int i; switch (event_type) { case IP4_ARP_EVENT: for (i = 0; i < vec_len (event_data); i++) handle_ip4_arp_event (event_data[i]); break; case IP6_ND_EVENT: for (i = 0; i < vec_len (event_data); i++) handle_ip6_nd_event (event_data[i]); break; case ~0: /* timeout */ break; } vec_reset_length (event_data); } return 0; /* or not */ } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip_resolver_process_node,static) = { .function = resolver_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "ip-route-resolver-process", }; /* *INDENT-ON* */ static int nd_change_data_callback (u32 pool_index, const mac_address_t * new_mac, u32 sw_if_index, const ip6_address_t * address) { vpe_api_main_t *am = &vpe_api_main; vl_api_ip6_nd_event_t *event; if (pool_is_free_index (am->nd_events, pool_index)) return 1; event = pool_elt_at_index (am->nd_events, pool_index); if (ethernet_mac_address_equal (event->mac, new_mac->bytes) && sw_if_index == ntohl (event->sw_if_index)) { return 1; } mac_address_encode (new_mac, event->mac); event->sw_if_index = htonl (sw_if_index); return 0; } static vlib_node_registration_t wc_arp_process_node; enum { WC_ARP_REPORT, WC_ND_REPORT, RA_REPORT, REPORT_MAX }; static uword wc_arp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { /* These cross the longjmp boundary (vlib_process_wait_for_event) * and need to be volatile - to prevent them from being optimized into * a register - which could change during suspension */ volatile wc_arp_report_t arp_prev = { 0 }; volatile wc_nd_report_t nd_prev = { 0 }; volatile f64 last_arp = vlib_time_now (vm); volatile f64 last_nd = vlib_time_now (vm); while (1) { vlib_process_wait_for_event (vm); uword event_type = WC_ARP_REPORT; void *event_data = vlib_process_get_event_data (vm, &event_type); f64 now = vlib_time_now (vm); int i; if (event_type == WC_ARP_REPORT) { wc_arp_report_t *arp_events = event_data; for (i = 0; i < vec_len (arp_events); i++) { /* discard dup event - cast away volatile */ if (arp_prev.ip.as_u32 == arp_events[i].ip.as_u32 && mac_address_equal ((const mac_address_t *) &arp_prev.mac, &arp_events[i].mac) && arp_prev.sw_if_index == arp_events[i].sw_if_index && (now - last_arp) < 10.0) { continue; } arp_prev = arp_events[i]; last_arp = now; vpe_client_registration_t *reg; /* *INDENT-OFF* */ pool_foreach(reg, vpe_api_main.wc_ip4_arp_events_registrations, ({ vl_api_registration_t *vl_reg; vl_reg = vl_api_client_index_to_registration (reg->client_index); ASSERT (vl_reg != NULL); if (reg && vl_api_can_send_msg (vl_reg)) { vl_api_ip4_arp_event_t * event = vl_msg_api_alloc (sizeof *event); clib_memset (event, 0, sizeof *event); event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT); event->client_index = reg->client_index; event->pid = reg->client_pid; event->mac_ip = 1; ip4_address_encode(&arp_events[i].ip, event->ip); event->sw_if_index = htonl(arp_events[i].sw_if_index); mac_address_encode(&arp_events[i].mac, event->mac); vl_api_send_msg (vl_reg, (u8 *) event); } })); /* *INDENT-ON* */ } } else if (event_type == WC_ND_REPORT) { wc_nd_report_t *nd_events = event_data; for (i = 0; i < vec_len (nd_events); i++) { /* discard dup event - cast away volatile */ if (ip6_address_is_equal ((const ip6_address_t *) &nd_prev.ip6, &nd_events[i].ip6) && mac_address_equal ((const mac_address_t *) &nd_prev.mac, &nd_events[i].mac) && nd_prev.sw_if_index == nd_events[i].sw_if_index && (now - last_nd) < 10.0) { continue; } nd_prev = nd_events[i]; last_nd = now; vpe_client_registration_t *reg; /* *INDENT-OFF* */ pool_foreach(reg, vpe_api_main.wc_ip6_nd_events_registrations, ({ vl_api_registration_t *vl_reg; vl_reg = vl_api_client_index_to_registration (reg->client_index); if (vl_reg && vl_api_can_send_msg (vl_reg)) { vl_api_ip6_nd_event_t * event = vl_msg_api_alloc (sizeof *event); clib_memset (event, 0, sizeof *event); event->_vl_msg_id = htons (VL_API_IP6_ND_EVENT); event->client_index = reg->client_index; event->pid = reg->client_pid; event->mac_ip = 1; ip6_address_encode(&nd_events[i].ip6, event->ip); event->sw_if_index = htonl(nd_events[i].sw_if_index); mac_address_encode(&nd_events[i].mac, event->mac); vl_api_send_msg (vl_reg, (u8 *) event); } })); /* *INDENT-ON* */ } } else if (event_type == RA_REPORT) { ra_report_t *ra_events = event_data; for (i = 0; i < vec_len (ra_events); i++) { ip6_neighbor_public_main_t *npm = &ip6_neighbor_public_main; call_ip6_neighbor_callbacks (&ra_events[i], npm->ra_report_functions); vpe_client_registration_t *reg; /* *INDENT-OFF* */ pool_foreach(reg, vpe_api_main.ip6_ra_events_registrations, ({ vl_api_registration_t *vl_reg; vl_reg = vl_api_client_index_to_registration (reg->client_index); if (vl_reg && vl_api_can_send_msg (vl_reg)) { u32 event_size = sizeof (vl_api_ip6_ra_event_t) + vec_len (ra_events[i].prefixes) * sizeof (vl_api_ip6_ra_prefix_info_t); vl_api_ip6_ra_event_t *event = vl_msg_api_alloc (event_size); clib_memset (event, 0, event_size); event->_vl_msg_id = htons (VL_API_IP6_RA_EVENT); event->client_index = reg->client_index; event->pid = reg->client_pid; event->sw_if_index = clib_host_to_net_u32 (ra_events[i].sw_if_index); ip6_address_encode (&ra_events[i].router_address, event->router_addr); event->current_hop_limit = ra_events[i].current_hop_limit; event->flags = ra_events[i].flags; event->router_lifetime_in_sec = clib_host_to_net_u16 (ra_events [i].router_lifetime_in_sec); event->neighbor_reachable_time_in_msec = clib_host_to_net_u32 (ra_events [i].neighbor_reachable_time_in_msec); event->time_in_msec_between_retransmitted_neighbor_solicitations = clib_host_to_net_u32 (ra_events [i].time_in_msec_between_retransmitted_neighbor_solicitations); event->n_prefixes = clib_host_to_net_u32 (vec_len (ra_events[i].prefixes)); vl_api_ip6_ra_prefix_info_t *prefix = (typeof (prefix)) event->prefixes; u32 j; for (j = 0; j < vec_len (ra_events[i].prefixes); j++) { ra_report_prefix_info_t *info = &ra_events[i].prefixes[j]; ip_prefix_encode(&info->prefix, &prefix->prefix); prefix->flags = info->flags; prefix->valid_time = clib_host_to_net_u32 (info->valid_time); prefix->preferred_time = clib_host_to_net_u32 (info->preferred_time); prefix++; } vl_api_send_msg (vl_reg, (u8 *) event); } })); /* *INDENT-ON* */ vec_free (ra_events[i].prefixes); } } vlib_process_put_event_data (vm, event_data); } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (wc_arp_process_node,static) = { .function = wc_arp_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "wildcard-ip4-arp-publisher-process", }; /* *INDENT-ON* */ static int arp_change_data_callback (u32 pool_index, const mac_address_t * mac, u32 sw_if_index, const ip4_address_t * address) { vpe_api_main_t *am = &vpe_api_main; vl_api_ip4_arp_event_t *event; if (pool_is_free_index (am->arp_events, pool_index)) return 1; event = pool_elt_at_index (am->arp_events, pool_index); if (ethernet_mac_address_equal (event->mac, mac->bytes) && sw_if_index == ntohl (event->sw_if_index)) { return 1; } mac_address_encode (mac, event->mac); event->sw_if_index = htonl (sw_if_index); return 0; } static void vl_api_want_ip4_arp_events_t_handler (vl_api_want_ip4_arp_events_t * mp) { vpe_api_main_t *am = &vpe_api_main; vnet_main_t *vnm = vnet_get_main (); vl_api_want_ip4_arp_events_reply_t *rmp; ip4_address_t ip; int rv = 0; ip4_address_decode (mp->ip, &ip); if (ip.as_u32 == 0) { uword *p = hash_get (am->wc_ip4_arp_events_registration_hash, mp->client_index); vpe_client_registration_t *rp; if (p) { if (mp->enable_disable) { clib_warning ("pid %d: already enabled...", mp->pid); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } else { rp = pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]); pool_put (am->wc_ip4_arp_events_registrations, rp); hash_unset (am->wc_ip4_arp_events_registration_hash, mp->client_index); if (pool_elts (am->wc_ip4_arp_events_registrations) == 0) wc_arp_set_publisher_node (~0, REPORT_MAX); goto reply; } } if (mp->enable_disable == 0) { clib_warning ("pid %d: already disabled...", mp->pid); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } pool_get (am->wc_ip4_arp_events_registrations, rp); rp->client_index = mp->client_index; rp->client_pid = mp->pid; hash_set (am->wc_ip4_arp_events_registration_hash, rp->client_index, rp - am->wc_ip4_arp_events_registrations); wc_arp_set_publisher_node (wc_arp_process_node.index, WC_ARP_REPORT); goto reply; } if (mp->enable_disable) { vl_api_ip4_arp_event_t *event; pool_get (am->arp_events, event); rv = vnet_add_del_ip4_arp_change_event (vnm, arp_change_data_callback, mp->pid, mp->ip /* addr, in net byte order */ , ip_resolver_process_node.index, IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */ ); if (rv) { pool_put (am->arp_events, event); goto reply; } clib_memset (event, 0, sizeof (*event)); /* Python API expects events to have no context */ event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT); event->client_index = mp->client_index; memcpy (event->ip, mp->ip, 4); event->pid = mp->pid; if (ip.as_u32 == 0) event->mac_ip = 1; } else { rv = vnet_add_del_ip4_arp_change_event (vnm, arp_change_delete_callback, mp->pid, mp->ip /* addr, in net byte order */ , ip_resolver_process_node.index, IP4_ARP_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); } reply: REPLY_MACRO (VL_API_WANT_IP4_ARP_EVENTS_REPLY); } static clib_error_t * want_ip4_arp_events_reaper (u32 client_index) { vpe_client_registration_t *rp; vl_api_ip4_arp_event_t *event; u32 *to_delete, *event_id; vpe_api_main_t *am; vnet_main_t *vnm; uword *p; am = &vpe_api_main; vnm = vnet_get_main (); to_delete = NULL; /* clear out all of its pending resolutions */ /* *INDENT-OFF* */ pool_foreach(event, am->arp_events, ({ if (event->client_index == client_index) { vec_add1(to_delete, event - am->arp_events); } })); /* *INDENT-ON* */ vec_foreach (event_id, to_delete) { event = pool_elt_at_index (am->arp_events, *event_id); vnet_add_del_ip4_arp_change_event (vnm, arp_change_delete_callback, event->pid, event->ip, ip_resolver_process_node.index, IP4_ARP_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); } vec_free (to_delete); /* remove from the registration hash */ p = hash_get (am->wc_ip4_arp_events_registration_hash, client_index); if (p) { rp = pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]); pool_put (am->wc_ip4_arp_events_registrations, rp); hash_unset (am->wc_ip4_arp_events_registration_hash, client_index); if (pool_elts (am->wc_ip4_arp_events_registrations) == 0) wc_arp_set_publisher_node (~0, REPORT_MAX); } return (NULL); } VL_MSG_API_REAPER_FUNCTION (want_ip4_arp_events_reaper); static void vl_api_want_ip6_nd_events_t_handler (vl_api_want_ip6_nd_events_t * mp) { vpe_api_main_t *am = &vpe_api_main; vnet_main_t *vnm = vnet_get_main (); vl_api_want_ip6_nd_events_reply_t *rmp; ip6_address_t ip6; int rv = 0; ip6_address_decode (mp->ip, &ip6); if (ip6_address_is_zero (&ip6)) { uword *p = hash_get (am->wc_ip6_nd_events_registration_hash, mp->client_index); vpe_client_registration_t *rp; if (p) { if (mp->enable_disable) { clib_warning ("pid %d: already enabled...", mp->pid); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } else { rp = pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]); pool_put (am->wc_ip6_nd_events_registrations, rp); hash_unset (am->wc_ip6_nd_events_registration_hash, mp->client_index); if (pool_elts (am->wc_ip6_nd_events_registrations) == 0) wc_nd_set_publisher_node (~0, REPORT_MAX); goto reply; } } if (mp->enable_disable == 0) { clib_warning ("pid %d: already disabled...", mp->pid); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } pool_get (am->wc_ip6_nd_events_registrations, rp); rp->client_index = mp->client_index; rp->client_pid = mp->pid; hash_set (am->wc_ip6_nd_events_registration_hash, rp->client_index, rp - am->wc_ip6_nd_events_registrations); wc_nd_set_publisher_node (wc_arp_process_node.index, WC_ND_REPORT); goto reply; } if (mp->enable_disable) { vl_api_ip6_nd_event_t *event; pool_get (am->nd_events, event); rv = vnet_add_del_ip6_nd_change_event (vnm, nd_change_data_callback, mp->pid, &ip6, ip_resolver_process_node.index, IP6_ND_EVENT, event - am->nd_events, 1 /* is_add */ ); if (rv) { pool_put (am->nd_events, event); goto reply; } clib_memset (event, 0, sizeof (*event)); event->_vl_msg_id = ntohs (VL_API_IP6_ND_EVENT); event->client_index = mp->client_index; ip6_address_encode (&ip6, event->ip); event->pid = mp->pid; } else { rv = vnet_add_del_ip6_nd_change_event (vnm, nd_change_delete_callback, mp->pid, &ip6 /* addr, in net byte order */ , ip_resolver_process_node.index, IP6_ND_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); } reply: REPLY_MACRO (VL_API_WANT_IP6_ND_EVENTS_REPLY); } static clib_error_t * want_ip6_nd_events_reaper (u32 client_index) { vpe_client_registration_t *rp; vl_api_ip6_nd_event_t *event; u32 *to_delete, *event_id; vpe_api_main_t *am; vnet_main_t *vnm; uword *p; am = &vpe_api_main; vnm = vnet_get_main (); to_delete = NULL; /* clear out all of its pending resolutions */ /* *INDENT-OFF* */ pool_foreach(event, am->nd_events, ({ if (event->client_index == client_index) { vec_add1(to_delete, event - am->nd_events); } })); /* *INDENT-ON* */ vec_foreach (event_id, to_delete) { event = pool_elt_at_index (am->nd_events, *event_id); vnet_add_del_ip6_nd_change_event (vnm, nd_change_delete_callback, event->pid, event->ip, ip_resolver_process_node.index, IP6_ND_EVENT, ~0 /* pool index, notused */ , 0 /* is_add */ ); } vec_free (to_delete); /* remove from the registration hash */ p = hash_get (am->wc_ip6_nd_events_registration_hash, client_index); if (p) { rp = pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]); pool_put (am->wc_ip6_nd_events_registrations, rp); hash_unset (am->wc_ip6_nd_events_registration_hash, client_index); if (pool_elts (am->wc_ip6_nd_events_registrations) == 0) wc_nd_set_publisher_node (~0, REPORT_MAX); } return (NULL); } VL_MSG_API_REAPER_FUNCTION (want_ip6_nd_events_reaper); static void vl_api_want_ip6_ra_events_t_handler (vl_api_want_ip6_ra_events_t * mp) { vpe_api_main_t *am = &vpe_api_main; vl_api_want_ip6_ra_events_reply_t *rmp; int rv = 0; uword *p = hash_get (am->ip6_ra_events_registration_hash, mp->client_index); vpe_client_registration_t *rp; if (p) { if (mp->enable_disable) { clib_warning ("pid %d: already enabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } else { rp = pool_elt_at_index (am->ip6_ra_events_registrations, p[0]); pool_put (am->ip6_ra_events_registrations, rp); hash_unset (am->ip6_ra_events_registration_hash, mp->client_index); goto reply; } } if (mp->enable_disable == 0) { clib_warning ("pid %d: already disabled...", ntohl (mp->pid)); rv = VNET_API_ERROR_INVALID_REGISTRATION; goto reply; } pool_get (am->ip6_ra_events_registrations, rp); rp->client_index = mp->client_index; rp->client_pid = ntohl (mp->pid); hash_set (am->ip6_ra_events_registration_hash, rp->client_index, rp - am->ip6_ra_events_registrations); reply: REPLY_MACRO (VL_API_WANT_IP6_RA_EVENTS_REPLY); } static clib_error_t * want_ip6_ra_events_reaper (u32 client_index) { vpe_api_main_t *am = &vpe_api_main; vpe_client_registration_t *rp; uword *p; p = hash_get (am->ip6_ra_events_registration_hash, client_index); if (p) { rp = pool_elt_at_index (am->ip6_ra_events_registrations, p[0]); pool_put (am->ip6_ra_events_registrations, rp); hash_unset (am->ip6_ra_events_registration_hash, client_index); } return (NULL); } VL_MSG_API_REAPER_FUNCTION (want_ip6_ra_events_reaper); static void vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t * mp) { vl_api_proxy_arp_add_del_reply_t *rmp; ip4_address_t lo, hi; u32 fib_index; int rv; fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->proxy.table_id)); if (~0 == fib_index) { rv = VNET_API_ERROR_NO_SUCH_FIB; goto out; } ip4_address_decode (mp->proxy.low, &lo); ip4_address_decode (mp->proxy.hi, &hi); rv = vnet_proxy_arp_add_del (&lo, &hi, fib_index, mp->is_add == 0); out: REPLY_MACRO (VL_API_PROXY_ARP_ADD_DEL_REPLY); } typedef struct proxy_arp_walk_ctx_t_ { vl_api_registration_t *reg; u32 context; } proxy_arp_walk_ctx_t; static walk_rc_t send_proxy_arp_details (const ip4_address_t * lo_addr, const ip4_address_t * hi_addr, u32 fib_index, void *data) { vl_api_proxy_arp_details_t *mp; proxy_arp_walk_ctx_t *ctx; ctx = data; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_PROXY_ARP_DETAILS); mp->context = ctx->context; mp->proxy.table_id = htonl (fib_index); ip4_address_encode (lo_addr, mp->proxy.low); ip4_address_encode (hi_addr, mp->proxy.hi); vl_api_send_msg (ctx->reg, (u8 *) mp); return (WALK_CONTINUE); } static void vl_api_proxy_arp_dump_t_handler (vl_api_proxy_arp_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; proxy_arp_walk_ctx_t wctx = { .reg = reg, .context = mp->context, }; proxy_arp_walk (send_proxy_arp_details, &wctx); } static walk_rc_t send_proxy_arp_intfc_details (u32 sw_if_index, void *data) { vl_api_proxy_arp_intfc_details_t *mp; proxy_arp_walk_ctx_t *ctx; ctx = data; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_PROXY_ARP_INTFC_DETAILS); mp->context = ctx->context; mp->sw_if_index = htonl (sw_if_index); vl_api_send_msg (ctx->reg, (u8 *) mp); return (WALK_CONTINUE); } static void vl_api_proxy_arp_intfc_dump_t_handler (vl_api_proxy_arp_intfc_dump_t * mp) { vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; proxy_arp_walk_ctx_t wctx = { .reg = reg, .context = mp->context, }; proxy_arp_intfc_walk (send_proxy_arp_intfc_details, &wctx); } static void vl_api_proxy_arp_intfc_enable_disable_t_handler (vl_api_proxy_arp_intfc_enable_disable_t * mp) { int rv = 0; vnet_main_t *vnm = vnet_get_main (); vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp; VALIDATE_SW_IF_INDEX (mp); rv = vnet_proxy_arp_enable_disable (vnm, ntohl (mp->sw_if_index), mp->enable_disable); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY); } static void vl_api_ip_probe_neighbor_t_handler (vl_api_ip_probe_neighbor_t * mp) { int rv = 0; vlib_main_t *vm = vlib_get_main (); vl_api_ip_probe_neighbor_reply_t *rmp; clib_error_t *error; ip46_address_t dst; ip46_type_t itype; VALIDATE_SW_IF_INDEX (mp); u32 sw_if_index = ntohl (mp->sw_if_index); itype = ip_address_decode (&mp->dst, &dst); if (IP46_TYPE_IP6 == itype) error = ip6_probe_neighbor (vm, &dst.ip6, sw_if_index, 0); else error = ip4_probe_neighbor (vm, &dst.ip4, sw_if_index, 0); if (error) { clib_error_report (error); rv = clib_error_get_code (error); } BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP_PROBE_NEIGHBOR_REPLY); } static void vl_api_ip_scan_neighbor_enable_disable_t_handler (vl_api_ip_scan_neighbor_enable_disable_t * mp) { int rv = 0; vl_api_ip_scan_neighbor_enable_disable_reply_t *rmp; ip_neighbor_scan_arg_t arg; arg.mode = mp->mode; arg.scan_interval = mp->scan_interval; arg.max_proc_time = mp->max_proc_time; arg.max_update = mp->max_update; arg.scan_int_delay = mp->scan_int_delay; arg.stale_threshold = mp->stale_threshold; ip_neighbor_scan_enable_disable (&arg); REPLY_MACRO (VL_API_IP_SCAN_NEIGHBOR_ENABLE_DISABLE_REPLY); } static int ip4_reset_fib_t_handler (vl_api_reset_fib_t * mp) { vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; ip4_main_t *im4 = &ip4_main; static u32 *sw_if_indices_to_shut; fib_table_t *fib_table; ip4_fib_t *fib; u32 sw_if_index; int i; int rv = VNET_API_ERROR_NO_SUCH_FIB; u32 target_fib_id = ntohl (mp->vrf_id); /* *INDENT-OFF* */ pool_foreach (fib_table, im4->fibs, ({ vnet_sw_interface_t * si; fib = pool_elt_at_index (im4->v4_fibs, fib_table->ft_index); if (fib->table_id != target_fib_id) continue; /* remove any mpls encap/decap labels */ mpls_fib_reset_labels (fib->table_id); /* remove any proxy arps in this fib */ vnet_proxy_arp_fib_reset (fib->table_id); /* Set the flow hash for this fib to the default */ vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT); vec_reset_length (sw_if_indices_to_shut); /* Shut down interfaces in this FIB / clean out intfc routes */ pool_foreach (si, im->sw_interfaces, ({ u32 sw_if_index = si->sw_if_index; if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index) && (im4->fib_index_by_sw_if_index[si->sw_if_index] == fib->index)) vec_add1 (sw_if_indices_to_shut, si->sw_if_index); })); for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) { sw_if_index = sw_if_indices_to_shut[i]; u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index); flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP); vnet_sw_interface_set_flags (vnm, sw_if_index, flags); } fib_table_flush(fib->index, FIB_PROTOCOL_IP4, FIB_SOURCE_API); rv = 0; break; })); /* pool_foreach (fib) */ /* *INDENT-ON* */ return rv; } static int ip6_reset_fib_t_handler (vl_api_reset_fib_t * mp) { vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; ip6_main_t *im6 = &ip6_main; static u32 *sw_if_indices_to_shut; fib_table_t *fib_table; ip6_fib_t *fib; u32 sw_if_index; int i; int rv = VNET_API_ERROR_NO_SUCH_FIB; u32 target_fib_id = ntohl (mp->vrf_id); /* *INDENT-OFF* */ pool_foreach (fib_table, im6->fibs, ({ vnet_sw_interface_t * si; fib = pool_elt_at_index (im6->v6_fibs, fib_table->ft_index); if (fib->table_id != target_fib_id) continue; vec_reset_length (sw_if_indices_to_shut); /* Set the flow hash for this fib to the default */ vnet_set_ip6_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT); /* Shut down interfaces in this FIB / clean out intfc routes */ pool_foreach (si, im->sw_interfaces, ({ if (im6->fib_index_by_sw_if_index[si->sw_if_index] == fib->index) vec_add1 (sw_if_indices_to_shut, si->sw_if_index); })); for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) { sw_if_index = sw_if_indices_to_shut[i]; u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index); flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP); vnet_sw_interface_set_flags (vnm, sw_if_index, flags); } fib_table_flush(fib->index, FIB_PROTOCOL_IP6, FIB_SOURCE_API); rv = 0; break; })); /* pool_foreach (fib) */ /* *INDENT-ON* */ return rv; } static void vl_api_reset_fib_t_handler (vl_api_reset_fib_t * mp) { int rv; vl_api_reset_fib_reply_t *rmp; if (mp->is_ipv6) rv = ip6_reset_fib_t_handler (mp); else rv = ip4_reset_fib_t_handler (mp); REPLY_MACRO (VL_API_RESET_FIB_REPLY); } static void vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t * mp) { int rv; vl_api_set_arp_neighbor_limit_reply_t *rmp; vnet_main_t *vnm = vnet_get_main (); clib_error_t *error; vnm->api_errno = 0; if (mp->is_ipv6) error = ip6_set_neighbor_limit (ntohl (mp->arp_neighbor_limit)); else error = ip4_set_arp_limit (ntohl (mp->arp_neighbor_limit)); if (error) { clib_error_report (error); rv = VNET_API_ERROR_UNSPECIFIED; } else { rv = vnm->api_errno; } REPLY_MACRO (VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY); } void vl_api_ip_reassembly_set_t_handler (vl_api_ip_reassembly_set_t * mp) { vl_api_ip_reassembly_set_reply_t *rmp; int rv = 0; if (mp->is_ip6) { rv = ip6_reass_set (clib_net_to_host_u32 (mp->timeout_ms), clib_net_to_host_u32 (mp->max_reassemblies), clib_net_to_host_u32 (mp->max_reassembly_length), clib_net_to_host_u32 (mp->expire_walk_interval_ms)); } else { rv = ip4_reass_set (clib_net_to_host_u32 (mp->timeout_ms), clib_net_to_host_u32 (mp->max_reassemblies), clib_net_to_host_u32 (mp->max_reassembly_length), clib_net_to_host_u32 (mp->expire_walk_interval_ms)); } REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY); } void vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp) { vl_api_registration_t *rp; rp = vl_api_client_index_to_registration (mp->client_index); if (rp == 0) return; vl_api_ip_reassembly_get_reply_t *rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_IP_REASSEMBLY_GET_REPLY); rmp->context = mp->context; rmp->retval = 0; if (mp->is_ip6) { rmp->is_ip6 = 1; ip6_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, &rmp->expire_walk_interval_ms); } else { rmp->is_ip6 = 0; ip4_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies, &rmp->max_reassembly_length, &rmp->expire_walk_interval_ms); } rmp->timeout_ms = clib_host_to_net_u32 (rmp->timeout_ms); rmp->max_reassemblies = clib_host_to_net_u32 (rmp->max_reassemblies); rmp->expire_walk_interval_ms = clib_host_to_net_u32 (rmp->expire_walk_interval_ms); vl_api_send_msg (rp, (u8 *) rmp); } void vl_api_ip_reassembly_enable_disable_t_handler (vl_api_ip_reassembly_enable_disable_t * mp) { vl_api_ip_reassembly_enable_disable_reply_t *rmp; int rv = 0; rv = ip4_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip4); if (0 == rv) { rv = ip6_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip6); } REPLY_MACRO (VL_API_IP_REASSEMBLY_ENABLE_DISABLE_REPLY); } typedef struct ip_punt_redirect_walk_ctx_t_ { vl_api_registration_t *reg; u32 context; } ip_punt_redirect_walk_ctx_t; static walk_rc_t send_ip_punt_redirect_details (u32 rx_sw_if_index, const ip_punt_redirect_rx_t * ipr, void *arg) { ip_punt_redirect_walk_ctx_t *ctx = arg; vl_api_ip_punt_redirect_details_t *mp; fib_path_encode_ctx_t path_ctx = { .rpaths = NULL, }; mp = vl_msg_api_alloc (sizeof (*mp)); if (!mp) return (WALK_STOP);; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_PUNT_REDIRECT_DETAILS); mp->context = ctx->context; fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &path_ctx); mp->punt.rx_sw_if_index = htonl (rx_sw_if_index); mp->punt.tx_sw_if_index = htonl (path_ctx.rpaths[0].frp_sw_if_index); ip_address_encode (&path_ctx.rpaths[0].frp_addr, fib_proto_to_ip46 (ipr->fproto), &mp->punt.nh); vl_api_send_msg (ctx->reg, (u8 *) mp); vec_free (path_ctx.rpaths); return (WALK_CONTINUE); } static void vl_api_ip_punt_redirect_dump_t_handler (vl_api_ip_punt_redirect_dump_t * mp) { vl_api_registration_t *reg; fib_protocol_t fproto; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; fproto = mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4; ip_punt_redirect_walk_ctx_t ctx = { .reg = reg, .context = mp->context, }; if (~0 != mp->sw_if_index) { u32 rx_sw_if_index; index_t pri; rx_sw_if_index = ntohl (mp->sw_if_index); pri = ip_punt_redirect_find (fproto, rx_sw_if_index); if (INDEX_INVALID == pri) return; send_ip_punt_redirect_details (rx_sw_if_index, ip_punt_redirect_get (pri), &ctx); } else ip_punt_redirect_walk (fproto, send_ip_punt_redirect_details, &ctx); } #define vl_msg_name_crc_list #include #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_ip; #undef _ } static clib_error_t * ip_api_hookup (vlib_main_t * vm) { api_main_t *am = &api_main; #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #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_ip_api_msg; #undef _ /* * Mark the route add/del API as MP safe */ am->is_mp_safe[VL_API_IP_ROUTE_ADD_DEL] = 1; am->is_mp_safe[VL_API_IP_ROUTE_ADD_DEL_REPLY] = 1; /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); ra_set_publisher_node (wc_arp_process_node.index, RA_REPORT); return 0; } VLIB_API_INIT_FUNCTION (ip_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */