/* *------------------------------------------------------------------ * 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 <vnet/vnet.h> #include <vlibmemory/api.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/ethernet/ethernet.h> #include <vnet/ethernet/ethernet_types_api.h> #include <vnet/ip/ip.h> #include <vnet/ip/ip_types_api.h> #include <vnet/ip/ip_punt_drop.h> #include <vnet/ip/ip_types_api.h> #include <vnet/ip/ip_path_mtu.h> #include <vnet/fib/fib_table.h> #include <vnet/fib/fib_api.h> #include <vnet/ethernet/arp_packet.h> #include <vnet/mfib/ip6_mfib.h> #include <vnet/mfib/ip4_mfib.h> #include <vnet/mfib/mfib_signal.h> #include <vnet/mfib/mfib_entry.h> #include <vnet/mfib/mfib_api.h> #include <vnet/ip/ip_source_and_port_range_check.h> #include <vnet/fib/fib_path_list.h> #include <vnet/ip/ip6_hop_by_hop.h> #include <vnet/ip/ip6_link.h> #include <vnet/ip/reass/ip4_sv_reass.h> #include <vnet/ip/reass/ip4_full_reass.h> #include <vnet/ip/reass/ip6_sv_reass.h> #include <vnet/ip/reass/ip6_full_reass.h> #include <vnet/ip/ip_table.h> #include <vnet/ip/ip_container_proxy.h> #include <vnet/format_fns.h> #include <vnet/ip/ip.api_enum.h> #include <vnet/ip/ip.api_types.h> #define REPLY_MSG_ID_BASE ip4_main.msg_id_base #include <vlibapi/api_helper_macros.h> static void vl_api_sw_interface_ip6_enable_disable_t_handler (vl_api_sw_interface_ip6_enable_disable_t * mp) { vl_api_sw_interface_ip6_enable_disable_reply_t *rmp; int rv = 0; VALIDATE_SW_IF_INDEX (mp); rv = ((mp->enable == 1) ? ip6_link_enable (ntohl (mp->sw_if_index), NULL) : ip6_link_disable (ntohl (mp->sw_if_index))); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY); } 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 (REPLY_MSG_ID_BASE + 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 (REPLY_MSG_ID_BASE + 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); vec_free (rpaths); } static void send_ip_route_v2_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_v2_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 (REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_V2_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.src = fib_entry_get_best_source (fib_entry_index); 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); vec_free (rpaths); } 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 vl_api_ip_route_v2_dump_t_handler (vl_api_ip_route_v2_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; fib_source_t src; 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)); src = mp->src; if (INDEX_INVALID == fib_index) return; if (src) fib_table_walk_w_src (fib_index, fproto, src, vl_api_ip_fib_dump_walk, &ctx); else fib_table_walk (fib_index, fproto, vl_api_ip_fib_dump_walk, &ctx); vec_foreach (fib_entry_index, ctx.feis) { send_ip_route_v2_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 (REPLY_MSG_ID_BASE + 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 walk_rc_t 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 (WALK_CONTINUE); } 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; u8 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 (REPLY_MSG_ID_BASE + 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 = 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 ip_punt_redirect_t_handler_common (u8 is_add, u32 rx_sw_if_index, ip_address_family_t af, const fib_route_path_t *rpaths) { if (is_add) { if (af == AF_IP6) ip6_punt_redirect_add_paths (rx_sw_if_index, rpaths); else if (af == AF_IP4) ip4_punt_redirect_add_paths (rx_sw_if_index, rpaths); } else { if (af == AF_IP6) ip6_punt_redirect_del (rx_sw_if_index); else if (af == AF_IP4) ip4_punt_redirect_del (rx_sw_if_index); } } 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; fib_route_path_t *rpaths = NULL, rpath = { .frp_weight = 1, .frp_fib_index = ~0, }; ip_address_family_t af; ip46_type_t ipv; u32 rx_sw_if_index; int rv = 0; 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, &rpath.frp_addr); af = (ipv == IP46_TYPE_IP6) ? AF_IP6 : AF_IP4; rpath.frp_proto = (ipv == IP46_TYPE_IP6) ? DPO_PROTO_IP6 : DPO_PROTO_IP4; rpath.frp_sw_if_index = ntohl (mp->punt.tx_sw_if_index); rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index); vec_add1 (rpaths, rpath); ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths); vec_free (rpaths); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY); } static void vl_api_add_del_ip_punt_redirect_v2_t_handler ( vl_api_add_del_ip_punt_redirect_v2_t *mp, vlib_main_t *vm) { vl_api_add_del_ip_punt_redirect_v2_reply_t *rmp; fib_route_path_t *rpaths = NULL, *rpath; vl_api_fib_path_t *apath; ip_address_family_t af; u32 rx_sw_if_index, n_paths; int rv = 0, ii; rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index); n_paths = ntohl (mp->punt.n_paths); rv = ip_address_family_decode (mp->punt.af, &af); if (rv != 0) goto out; if (0 != n_paths) { vec_validate (rpaths, n_paths - 1); } for (ii = 0; ii < n_paths; ii++) { apath = &mp->punt.paths[ii]; rpath = &rpaths[ii]; rv = fib_api_path_decode (apath, rpath); if (rv != 0) goto out; } ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths); out: vec_free (rpaths); REPLY_MACRO (VL_API_ADD_DEL_IP_PUNT_REDIRECT_V2_REPLY); } static clib_error_t * call_elf_section_ip_table_callbacks (vnet_main_t * vnm, u32 table_id, u32 flags, _vnet_ip_table_function_list_elt_t ** elts) { _vnet_ip_table_function_list_elt_t *elt; vnet_ip_table_function_priority_t prio; clib_error_t *error = 0; for (prio = VNET_IP_TABLE_FUNC_PRIORITY_LOW; prio <= VNET_IP_TABLE_FUNC_PRIORITY_HIGH; prio++) { elt = elts[prio]; while (elt) { error = elt->fp (vnm, table_id, flags); if (error) return error; elt = elt->next_ip_table_function; } } return error; } void ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api) { u32 fib_index, mfib_index; vnet_main_t *vnm = vnet_get_main (); /* * 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) || (~0 != mfib_index)) call_elf_section_ip_table_callbacks (vnm, table_id, 0 /* is_add */ , vnm->ip_table_add_del_functions); 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)); } } } /* * Returns an unused table id, and ~0 if it can't find one. */ u32 ip_table_get_unused_id (fib_protocol_t fproto) { int i, j; static u32 seed = 0; /* limit to 1M tries */ for (j = 0; j < 1 << 10; j++) { seed = random_u32 (&seed); for (i = 0; i < 1 << 10; i++) { /* look around randomly generated id */ seed += (2 * (i % 2) - 1) * i; if (seed == ~0) continue; if (fib_table_find (fproto, seed) == ~0) return seed; } } return ~0; } 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); } void vl_api_ip_table_allocate_t_handler (vl_api_ip_table_allocate_t *mp) { vl_api_ip_table_allocate_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 (~0 == table_id) table_id = ip_table_get_unused_id (fproto); if (~0 == table_id) rv = VNET_API_ERROR_EAGAIN; else ip_table_create (fproto, table_id, 1, mp->table.name); REPLY_MACRO2 (VL_API_IP_TABLE_ALLOCATE_REPLY, { clib_memcpy_fast (&rmp->table, &mp->table, sizeof (mp->table)); rmp->table.table_id = htonl (table_id); }) } 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, FIB_SOURCE_API, 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); } static int ip_route_add_del_v2_t_handler (vl_api_ip_route_add_del_v2_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_source_t src; 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; } src = (0 == mp->route.src ? FIB_SOURCE_API : mp->route.src); rv = fib_api_route_add_del (mp->is_add, mp->is_multipath, fib_index, &pfx, src, 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 vl_api_ip_route_add_del_v2_t_handler (vl_api_ip_route_add_del_v2_t *mp) { vl_api_ip_route_add_del_v2_reply_t *rmp; u32 stats_index = ~0; int rv; rv = ip_route_add_del_v2_t_handler (mp, &stats_index); /* clang-format off */ REPLY_MACRO2 (VL_API_IP_ROUTE_ADD_DEL_V2_REPLY, ({ rmp->stats_index = htonl (stats_index); })) /* clang-format on */ } void vl_api_ip_route_lookup_t_handler (vl_api_ip_route_lookup_t * mp) { vl_api_ip_route_lookup_reply_t *rmp = NULL; fib_route_path_t *rpaths = NULL, *rpath; const fib_prefix_t *pfx = NULL; fib_prefix_t lookup; vl_api_fib_path_t *fp; fib_node_index_t fib_entry_index; u32 fib_index; int npaths = 0; int rv; ip_prefix_decode (&mp->prefix, &lookup); rv = fib_api_table_id_decode (lookup.fp_proto, ntohl (mp->table_id), &fib_index); if (PREDICT_TRUE (!rv)) { if (mp->exact) fib_entry_index = fib_table_lookup_exact_match (fib_index, &lookup); else fib_entry_index = fib_table_lookup (fib_index, &lookup); if (fib_entry_index == FIB_NODE_INDEX_INVALID) rv = VNET_API_ERROR_NO_SUCH_ENTRY; else { pfx = fib_entry_get_prefix (fib_entry_index); rpaths = fib_entry_encode (fib_entry_index); npaths = vec_len (rpaths); } } /* *INDENT-OFF* */ REPLY_MACRO3_ZERO(VL_API_IP_ROUTE_LOOKUP_REPLY, npaths * sizeof (*fp), ({ if (!rv) { ip_prefix_encode (pfx, &rmp->route.prefix); rmp->route.table_id = mp->table_id; rmp->route.n_paths = npaths; rmp->route.stats_index = fib_table_entry_get_stats_index (fib_index, pfx); rmp->route.stats_index = htonl (rmp->route.stats_index); fp = rmp->route.paths; vec_foreach (rpath, rpaths) { fib_api_path_encode (rpath, fp); fp++; } } })); /* *INDENT-ON* */ vec_free (rpaths); } void vl_api_ip_route_lookup_v2_t_handler (vl_api_ip_route_lookup_v2_t *mp) { vl_api_ip_route_lookup_v2_reply_t *rmp = NULL; fib_route_path_t *rpaths = NULL, *rpath; const fib_prefix_t *pfx = NULL; fib_prefix_t lookup; vl_api_fib_path_t *fp; fib_node_index_t fib_entry_index; u32 fib_index; int npaths = 0; fib_source_t src = 0; int rv; ip_prefix_decode (&mp->prefix, &lookup); rv = fib_api_table_id_decode (lookup.fp_proto, ntohl (mp->table_id), &fib_index); if (PREDICT_TRUE (!rv)) { if (mp->exact) fib_entry_index = fib_table_lookup_exact_match (fib_index, &lookup); else fib_entry_index = fib_table_lookup (fib_index, &lookup); if (fib_entry_index == FIB_NODE_INDEX_INVALID) rv = VNET_API_ERROR_NO_SUCH_ENTRY; else { pfx = fib_entry_get_prefix (fib_entry_index); rpaths = fib_entry_encode (fib_entry_index); npaths = vec_len (rpaths); src = fib_entry_get_best_source (fib_entry_index); } } /* clang-format off */ REPLY_MACRO3_ZERO(VL_API_IP_ROUTE_LOOKUP_V2_REPLY, npaths * sizeof (*fp), ({ if (!rv) { ip_prefix_encode (pfx, &rmp->route.prefix); rmp->route.table_id = mp->table_id; rmp->route.n_paths = npaths; rmp->route.src = src; rmp->route.stats_index = fib_table_entry_get_stats_index (fib_index, pfx); rmp->route.stats_index = htonl (rmp->route.stats_index); fp = rmp->route.paths; vec_foreach (rpath, rpaths) { fib_api_path_encode (rpath, fp); fp++; } } })); /* clang-format on */ vec_free (rpaths); } void ip_table_create (fib_protocol_t fproto, u32 table_id, u8 is_api, const u8 * name) { u32 fib_index, mfib_index; vnet_main_t *vnm = vnet_get_main (); /* * 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); /* * Always try to re-lock in case the fib was deleted by an API call * but was not yet freed because some other locks were held */ fib_table_find_or_create_and_lock_w_name ( fproto, table_id, (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI), name); mfib_table_find_or_create_and_lock_w_name ( fproto, table_id, (is_api ? MFIB_SOURCE_API : MFIB_SOURCE_CLI), name); if ((~0 == fib_index) || (~0 == mfib_index)) call_elf_section_ip_table_callbacks (vnm, table_id, 1 /* is_add */ , vnm->ip_table_add_del_functions); } } 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, entry_flags, 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_entry_flags_t eflags; 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; } eflags = mfib_api_path_entry_flags_decode (mp->route.entry_flags); mfib_entry_index = mroute_add_del_handler (mp->is_add, mp->is_add, fib_index, &pfx, eflags, 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 (REPLY_MSG_ID_BASE + 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 (REPLY_MSG_ID_BASE + 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 (REPLY_MSG_ID_BASE + 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); } } vec_free (sorted_sis); } static void vl_api_set_ip_flow_hash_t_handler (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_v1; #undef _ rv = ip_flow_hash_set ((mp->is_ipv6 ? AF_IP6 : AF_IP4), table_id, flow_hash_config); REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY); } static void vl_api_set_ip_flow_hash_v2_t_handler (vl_api_set_ip_flow_hash_v2_t *mp) { vl_api_set_ip_flow_hash_v2_reply_t *rmp; ip_address_family_t af; int rv; rv = ip_address_family_decode (mp->af, &af); if (!rv) rv = ip_flow_hash_set (af, htonl (mp->table_id), htonl (mp->flow_hash_config)); REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_V2_REPLY); } static void vl_api_set_ip_flow_hash_router_id_t_handler ( vl_api_set_ip_flow_hash_router_id_t *mp) { vl_api_set_ip_flow_hash_router_id_reply_t *rmp; int rv = 0; ip_flow_hash_router_id_set (ntohl (mp->router_id)); REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_ROUTER_ID_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 (REPLY_MSG_ID_BASE + 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_walk_ctx_t_ { vl_api_registration_t *reg; u32 context; } ip_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_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 (REPLY_MSG_ID_BASE + 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_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); } static void vl_api_sw_interface_ip6_set_link_local_address_t_handler (vl_api_sw_interface_ip6_set_link_local_address_t * mp) { vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp; ip6_address_t ip; int rv; VALIDATE_SW_IF_INDEX (mp); ip6_address_decode (mp->ip, &ip); rv = ip6_link_set_local_address (ntohl (mp->sw_if_index), &ip); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY); } static void vl_api_sw_interface_ip6_get_link_local_address_t_handler ( vl_api_sw_interface_ip6_get_link_local_address_t *mp) { vl_api_sw_interface_ip6_get_link_local_address_reply_t *rmp; const ip6_address_t *ip = NULL; int rv = 0; VALIDATE_SW_IF_INDEX (mp); ip = ip6_get_link_local_address (ntohl (mp->sw_if_index)); if (NULL == ip) rv = VNET_API_ERROR_IP6_NOT_ENABLED; BAD_SW_IF_INDEX_LABEL; /* clang-format off */ REPLY_MACRO2 (VL_API_SW_INTERFACE_IP6_GET_LINK_LOCAL_ADDRESS_REPLY, ({ if (!rv) ip6_address_encode (ip, rmp->ip); })) /* clang-format on */ } static void vl_api_ip_table_replace_begin_t_handler (vl_api_ip_table_replace_begin_t * mp) { vl_api_ip_table_replace_begin_reply_t *rmp; fib_protocol_t fproto; u32 fib_index; int rv = 0; 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) rv = VNET_API_ERROR_NO_SUCH_FIB; else { fib_table_mark (fib_index, fproto, FIB_SOURCE_API); mfib_table_mark (mfib_table_find (fproto, ntohl (mp->table.table_id)), fproto, MFIB_SOURCE_API); } REPLY_MACRO (VL_API_IP_TABLE_REPLACE_BEGIN_REPLY); } static void vl_api_ip_table_replace_end_t_handler (vl_api_ip_table_replace_end_t * mp) { vl_api_ip_table_replace_end_reply_t *rmp; fib_protocol_t fproto; u32 fib_index; int rv = 0; 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) rv = VNET_API_ERROR_NO_SUCH_FIB; else { fib_table_sweep (fib_index, fproto, FIB_SOURCE_API); mfib_table_sweep (mfib_table_find (fproto, ntohl (mp->table.table_id)), fproto, MFIB_SOURCE_API); } REPLY_MACRO (VL_API_IP_TABLE_REPLACE_END_REPLY); } static void vl_api_ip_table_flush_t_handler (vl_api_ip_table_flush_t * mp) { vl_api_ip_table_flush_reply_t *rmp; fib_protocol_t fproto; u32 fib_index; int rv = 0; 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) rv = VNET_API_ERROR_NO_SUCH_FIB; else { vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; vnet_sw_interface_t *si; /* Shut down interfaces in this FIB / clean out intfc routes */ /* *INDENT-OFF* */ pool_foreach (si, im->sw_interfaces) { if (fib_index == fib_table_get_index_for_sw_if_index (fproto, si->sw_if_index)) { u32 flags = si->flags; flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP; vnet_sw_interface_set_flags (vnm, si->sw_if_index, flags); } } /* *INDENT-ON* */ fib_table_flush (fib_index, fproto, FIB_SOURCE_API); mfib_table_flush (mfib_table_find (fproto, ntohl (mp->table.table_id)), fproto, MFIB_SOURCE_API); } REPLY_MACRO (VL_API_IP_TABLE_FLUSH_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; switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type)) { case IP_REASS_TYPE_FULL: if (mp->is_ip6) { rv = ip6_full_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_full_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)); } break; case IP_REASS_TYPE_SHALLOW_VIRTUAL: if (mp->is_ip6) { rv = ip6_sv_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_sv_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)); } break; } 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 (REPLY_MSG_ID_BASE + VL_API_IP_REASSEMBLY_GET_REPLY); rmp->context = mp->context; rmp->retval = 0; u32 timeout_ms; u32 max_reassemblies; u32 max_reassembly_length; u32 expire_walk_interval_ms; switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type)) { case IP_REASS_TYPE_FULL: if (mp->is_ip6) { rmp->is_ip6 = 1; ip6_full_reass_get (&timeout_ms, &max_reassemblies, &max_reassembly_length, &expire_walk_interval_ms); } else { rmp->is_ip6 = 0; ip4_full_reass_get (&timeout_ms, &max_reassemblies, &max_reassembly_length, &expire_walk_interval_ms); } break; case IP_REASS_TYPE_SHALLOW_VIRTUAL: if (mp->is_ip6) { rmp->is_ip6 = 1; ip6_sv_reass_get (&timeout_ms, &max_reassemblies, &max_reassembly_length, &expire_walk_interval_ms); } else { rmp->is_ip6 = 0; ip4_sv_reass_get (&timeout_ms, &max_reassemblies, &max_reassembly_length, &expire_walk_interval_ms); } break; } rmp->timeout_ms = clib_host_to_net_u32 (timeout_ms); rmp->max_reassemblies = clib_host_to_net_u32 (max_reassemblies); rmp->max_reassembly_length = clib_host_to_net_u32 (max_reassembly_length); rmp->expire_walk_interval_ms = clib_host_to_net_u32 (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; switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type)) { case IP_REASS_TYPE_FULL: rv = ip4_full_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip4); if (0 == rv) rv = ip6_full_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip6); break; case IP_REASS_TYPE_SHALLOW_VIRTUAL: rv = ip4_sv_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip4); if (0 == rv) { rv = ip6_sv_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index), mp->enable_ip6); } break; } REPLY_MACRO (VL_API_IP_REASSEMBLY_ENABLE_DISABLE_REPLY); } static walk_rc_t send_ip_punt_redirect_details (u32 rx_sw_if_index, const ip_punt_redirect_rx_t * ipr, void *arg) { vl_api_ip_punt_redirect_details_t *mp; fib_path_encode_ctx_t path_ctx = { .rpaths = NULL, }; ip_walk_ctx_t *ctx = arg; mp = vl_msg_api_alloc (sizeof (*mp)); if (!mp) return (WALK_STOP);; clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + 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 walk_rc_t send_ip_punt_redirect_v2_details (u32 rx_sw_if_index, const ip_punt_redirect_rx_t *ipr, void *arg) { vl_api_ip_punt_redirect_v2_details_t *mp; fib_path_encode_ctx_t path_ctx = { .rpaths = NULL, }; fib_route_path_t *rpath; ip_walk_ctx_t *ctx = arg; vl_api_fib_path_t *fp; int n_paths; fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &path_ctx); n_paths = vec_len (path_ctx.rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + n_paths * sizeof (*fp)); if (!mp) return (WALK_STOP); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_PUNT_REDIRECT_V2_DETAILS); mp->context = ctx->context; mp->punt.rx_sw_if_index = htonl (rx_sw_if_index); mp->punt.n_paths = htonl (n_paths); fp = mp->punt.paths; vec_foreach (rpath, path_ctx.rpaths) { fib_api_path_encode (rpath, fp); fp++; } mp->punt.af = (ipr->fproto == FIB_PROTOCOL_IP6) ? ADDRESS_IP6 : ADDRESS_IP4; vl_api_send_msg (ctx->reg, (u8 *) mp); vec_free (path_ctx.rpaths); return (WALK_CONTINUE); } static void vl_api_ip_punt_redirect_dump_common (ip_walk_ctx_t *ctx, fib_protocol_t fproto, u32 rx_sw_if_index, ip_punt_redirect_walk_cb_t cb) { if ((u32) ~0 != rx_sw_if_index) { index_t pri; pri = ip_punt_redirect_find (fproto, rx_sw_if_index); if (INDEX_INVALID == pri) return; cb (rx_sw_if_index, ip_punt_redirect_get (pri), ctx); } else ip_punt_redirect_walk (fproto, cb, ctx); } 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 == 1) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4; ip_walk_ctx_t ctx = { .reg = reg, .context = mp->context, }; vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index), send_ip_punt_redirect_details); } static void vl_api_ip_punt_redirect_v2_dump_t_handler ( vl_api_ip_punt_redirect_v2_dump_t *mp) { vl_api_registration_t *reg; ip_address_family_t af; fib_protocol_t fproto; int rv = 0; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rv = ip_address_family_decode (mp->af, &af); if (rv != 0) return; fproto = (af == AF_IP6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4; ip_walk_ctx_t ctx = { .reg = reg, .context = mp->context, }; vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index), send_ip_punt_redirect_v2_details); } void vl_api_ip_path_mtu_update_t_handler (vl_api_ip_path_mtu_update_t *mp) { vl_api_ip_path_mtu_update_reply_t *rmp; ip_address_t nh; int rv = 0; ip_address_decode2 (&mp->pmtu.nh, &nh); rv = ip_path_mtu_update (&nh, ntohl (mp->pmtu.table_id), ntohs (mp->pmtu.path_mtu)); REPLY_MACRO (VL_API_IP_PATH_MTU_UPDATE_REPLY); } void vl_api_ip_path_mtu_replace_begin_t_handler ( vl_api_ip_path_mtu_replace_begin_t *mp) { vl_api_ip_path_mtu_replace_begin_reply_t *rmp; int rv; rv = ip_path_mtu_replace_begin (); REPLY_MACRO (VL_API_IP_PATH_MTU_REPLACE_BEGIN_REPLY); } void vl_api_ip_path_mtu_replace_end_t_handler (vl_api_ip_path_mtu_replace_end_t *mp) { vl_api_ip_path_mtu_replace_end_reply_t *rmp; int rv; rv = ip_path_mtu_replace_end (); REPLY_MACRO (VL_API_IP_PATH_MTU_REPLACE_END_REPLY); } static void send_ip_path_mtu_details (index_t ipti, vl_api_registration_t *rp, u32 context) { vl_api_ip_path_mtu_details_t *rmp; ip_address_t ip; ip_pmtu_t *ipt; ipt = ip_path_mtu_get (ipti); REPLY_MACRO_DETAILS4 (VL_API_IP_PATH_MTU_DETAILS, rp, context, ({ ip_pmtu_get_ip (ipt, &ip); ip_address_encode2 (&ip, &rmp->pmtu.nh); rmp->pmtu.table_id = htonl (ip_pmtu_get_table_id (ipt)); rmp->pmtu.path_mtu = htons (ipt->ipt_cfg_pmtu); })); } static void vl_api_ip_path_mtu_get_t_handler (vl_api_ip_path_mtu_get_t *mp) { vl_api_ip_path_mtu_get_reply_t *rmp; i32 rv = 0; REPLY_AND_DETAILS_MACRO ( VL_API_IP_PATH_MTU_GET_REPLY, ip_pmtu_pool, ({ send_ip_path_mtu_details (cursor, rp, mp->context); })); } #include <vnet/ip/ip.api.c> static clib_error_t * ip_api_hookup (vlib_main_t * vm) { api_main_t *am = vlibapi_get_main (); /* * 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; am->is_mp_safe[VL_API_IP_ROUTE_ADD_DEL_V2] = 1; am->is_mp_safe[VL_API_IP_ROUTE_ADD_DEL_V2_REPLY] = 1; /* * Set up the (msg_name, crc, message-id) table */ REPLY_MSG_ID_BASE = setup_message_id_table (); return 0; } VLIB_API_INIT_FUNCTION (ip_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */