/* *------------------------------------------------------------------ * 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/ip/ip.h> #include <vnet/ip/ip6_neighbor.h> #include <vnet/fib/fib_table.h> #include <vnet/fib/fib_api.h> #include <vnet/dpo/drop_dpo.h> #include <vnet/dpo/receive_dpo.h> #include <vnet/dpo/lookup_dpo.h> #include <vnet/dpo/classify_dpo.h> #include <vnet/dpo/ip_null_dpo.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/vnet_msg_enum.h> #define vl_typedefs /* define message structures */ #include <vnet/vnet_all_api_h.h> #undef vl_typedefs #define vl_endianfun /* define message structures */ #include <vnet/vnet_all_api_h.h> #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 <vnet/vnet_all_api_h.h> #undef vl_printfun #include <vlibapi/api_helper_macros.h> #define foreach_ip_api_msg \ _(IP_FIB_DUMP, ip_fib_dump) \ _(IP6_FIB_DUMP, ip6_fib_dump) \ _(IP_MFIB_DUMP, ip_mfib_dump) \ _(IP6_MFIB_DUMP, ip6_mfib_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_DUMP, ip_dump) \ _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \ _(IP_ADD_DEL_ROUTE, ip_add_del_route) \ _(IP_TABLE_ADD_DEL, ip_table_add_del) \ _(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) \ _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \ _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \ sw_interface_ip6_set_link_local_address) extern void stats_dslock_with_hint (int hint, int tag); extern void stats_dsunlock (void); static void send_ip_neighbor_details (u8 is_ipv6, u8 is_static, u8 * mac_address, u8 * ip_address, unix_shared_memory_queue_t * q, u32 context) { vl_api_ip_neighbor_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS); mp->context = context; mp->is_ipv6 = is_ipv6; mp->is_static = is_static; memcpy (mp->mac_address, mac_address, 6); memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4); vl_msg_api_send_shmem (q, (u8 *) & mp); } static void vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp) { unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) 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) { send_ip_neighbor_details (mp->is_ipv6, ((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0), (u8 *) n->link_layer_address, (u8 *) & (n->key.ip6_address.as_u8), q, 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) { send_ip_neighbor_details (mp->is_ipv6, ((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0), (u8*) n->ethernet_address, (u8*) & (n->ip4_address.as_u8), q, mp->context); } /* *INDENT-ON* */ vec_free (ns); } } void copy_fib_next_hop (fib_route_path_encode_t * api_rpath, void *fp_arg) { int is_ip4; vl_api_fib_path_t *fp = (vl_api_fib_path_t *) fp_arg; if (api_rpath->rpath.frp_proto == DPO_PROTO_IP4) fp->afi = IP46_TYPE_IP4; else if (api_rpath->rpath.frp_proto == DPO_PROTO_IP6) fp->afi = IP46_TYPE_IP6; else { is_ip4 = ip46_address_is_ip4 (&api_rpath->rpath.frp_addr); if (is_ip4) fp->afi = IP46_TYPE_IP4; else fp->afi = IP46_TYPE_IP6; } if (fp->afi == IP46_TYPE_IP4) memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip4, sizeof (api_rpath->rpath.frp_addr.ip4)); else memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip6, sizeof (api_rpath->rpath.frp_addr.ip6)); } static void send_ip_fib_details (vpe_api_main_t * am, unix_shared_memory_queue_t * q, const fib_table_t * table, const fib_prefix_t * pfx, fib_route_path_encode_t * api_rpaths, u32 context) { vl_api_ip_fib_details_t *mp; fib_route_path_encode_t *api_rpath; vl_api_fib_path_t *fp; int path_count; path_count = vec_len (api_rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS); mp->context = context; mp->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))); mp->address_length = pfx->fp_len; memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4)); mp->count = htonl (path_count); fp = mp->path; vec_foreach (api_rpath, api_rpaths) { memset (fp, 0, sizeof (*fp)); switch (api_rpath->dpo.dpoi_type) { case DPO_RECEIVE: fp->is_local = true; break; case DPO_DROP: fp->is_drop = true; break; case DPO_IP_NULL: switch (api_rpath->dpo.dpoi_index) { case IP_NULL_ACTION_NONE: fp->is_drop = true; break; case IP_NULL_ACTION_SEND_ICMP_UNREACH: fp->is_unreach = true; break; case IP_NULL_ACTION_SEND_ICMP_PROHIBIT: fp->is_prohibit = true; break; default: break; } break; default: break; } fp->weight = api_rpath->rpath.frp_weight; fp->preference = api_rpath->rpath.frp_preference; fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index); copy_fib_next_hop (api_rpath, fp); fp++; } vl_msg_api_send_shmem (q, (u8 *) & mp); } typedef struct vl_api_ip_fib_dump_walk_ctx_t_ { fib_node_index_t *feis; } vl_api_ip_fib_dump_walk_ctx_t; static int 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 (1); } static void vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; unix_shared_memory_queue_t *q; ip4_main_t *im = &ip4_main; fib_table_t *fib_table; fib_node_index_t *lfeip; fib_prefix_t pfx; u32 fib_index; fib_route_path_encode_t *api_rpaths; vl_api_ip_fib_dump_walk_ctx_t ctx = { .feis = NULL, }; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; /* *INDENT-OFF* */ pool_foreach (fib_table, im->fibs, ({ fib_table_walk(fib_table->ft_index, FIB_PROTOCOL_IP4, vl_api_ip_fib_dump_walk, &ctx); })); /* *INDENT-ON* */ vec_sort_with_function (ctx.feis, fib_entry_cmp_for_sort); vec_foreach (lfeip, ctx.feis) { fib_entry_get_prefix (*lfeip, &pfx); fib_index = fib_entry_get_fib_index (*lfeip); fib_table = fib_table_get (fib_index, pfx.fp_proto); api_rpaths = NULL; fib_entry_encode (*lfeip, &api_rpaths); send_ip_fib_details (am, q, fib_table, &pfx, api_rpaths, mp->context); vec_free (api_rpaths); } vec_free (ctx.feis); } static void send_ip6_fib_details (vpe_api_main_t * am, unix_shared_memory_queue_t * q, u32 table_id, fib_prefix_t * pfx, fib_route_path_encode_t * api_rpaths, u32 context) { vl_api_ip6_fib_details_t *mp; fib_route_path_encode_t *api_rpath; vl_api_fib_path_t *fp; int path_count; path_count = vec_len (api_rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS); mp->context = context; mp->table_id = htonl (table_id); mp->address_length = pfx->fp_len; memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6)); mp->count = htonl (path_count); fp = mp->path; vec_foreach (api_rpath, api_rpaths) { memset (fp, 0, sizeof (*fp)); switch (api_rpath->dpo.dpoi_type) { case DPO_RECEIVE: fp->is_local = true; break; case DPO_DROP: fp->is_drop = true; break; case DPO_IP_NULL: switch (api_rpath->dpo.dpoi_index) { case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE: fp->is_drop = true; break; case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH: fp->is_unreach = true; break; case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT: fp->is_prohibit = true; break; default: break; } break; default: break; } fp->weight = api_rpath->rpath.frp_weight; fp->preference = api_rpath->rpath.frp_preference; fp->sw_if_index = api_rpath->rpath.frp_sw_if_index; copy_fib_next_hop (api_rpath, fp); fp++; } vl_msg_api_send_shmem (q, (u8 *) & mp); } typedef struct apt_ip6_fib_show_ctx_t_ { u32 fib_index; fib_node_index_t *entries; } api_ip6_fib_show_ctx_t; static void api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg) { api_ip6_fib_show_ctx_t *ctx = arg; if ((kvp->key[2] >> 32) == ctx->fib_index) { vec_add1 (ctx->entries, kvp->value); } } static void api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q, vl_api_ip6_fib_dump_t * mp, fib_table_t * fib_table) { vpe_api_main_t *am = &vpe_api_main; ip6_main_t *im6 = &ip6_main; fib_node_index_t *fib_entry_index; api_ip6_fib_show_ctx_t ctx = { .fib_index = fib_table->ft_index, .entries = NULL, }; fib_route_path_encode_t *api_rpaths; fib_prefix_t pfx; BV (clib_bihash_foreach_key_value_pair) ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING]. ip6_hash, api_ip6_fib_table_put_entries, &ctx); vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort); vec_foreach (fib_entry_index, ctx.entries) { fib_entry_get_prefix (*fib_entry_index, &pfx); api_rpaths = NULL; fib_entry_encode (*fib_entry_index, &api_rpaths); send_ip6_fib_details (am, q, fib_table->ft_table_id, &pfx, api_rpaths, mp->context); vec_free (api_rpaths); } vec_free (ctx.entries); } static void vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp) { unix_shared_memory_queue_t *q; ip6_main_t *im6 = &ip6_main; fib_table_t *fib_table; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; /* *INDENT-OFF* */ pool_foreach (fib_table, im6->fibs, ({ api_ip6_fib_table_get_all(q, mp, fib_table); })); /* *INDENT-ON* */ } static void send_ip_mfib_details (unix_shared_memory_queue_t * q, u32 context, u32 table_id, fib_node_index_t mfei) { fib_route_path_encode_t *api_rpath, *api_rpaths = NULL; vl_api_ip_mfib_details_t *mp; mfib_entry_t *mfib_entry; vl_api_fib_path_t *fp; mfib_prefix_t pfx; int path_count; mfib_entry = mfib_entry_get (mfei); mfib_entry_get_prefix (mfei, &pfx); mfib_entry_encode (mfei, &api_rpaths); path_count = vec_len (api_rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS); mp->context = context; mp->rpf_id = mfib_entry->mfe_rpf_id; mp->entry_flags = mfib_entry->mfe_flags; mp->table_id = htonl (table_id); mp->address_length = pfx.fp_len; memcpy (mp->grp_address, &pfx.fp_grp_addr.ip4, sizeof (pfx.fp_grp_addr.ip4)); memcpy (mp->src_address, &pfx.fp_src_addr.ip4, sizeof (pfx.fp_src_addr.ip4)); mp->count = htonl (path_count); fp = mp->path; vec_foreach (api_rpath, api_rpaths) { memset (fp, 0, sizeof (*fp)); fp->weight = 0; fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index); copy_fib_next_hop (api_rpath, fp); fp++; } vec_free (api_rpaths); vl_msg_api_send_shmem (q, (u8 *) & mp); } typedef struct vl_api_ip_mfib_dump_ctc_t_ { fib_node_index_t *entries; } vl_api_ip_mfib_dump_ctc_t; static int vl_api_ip_mfib_table_dump_walk (fib_node_index_t fei, void *arg) { vl_api_ip_mfib_dump_ctc_t *ctx = arg; vec_add1 (ctx->entries, fei); return (0); } static void vl_api_ip_mfib_dump_t_handler (vl_api_ip_mfib_dump_t * mp) { unix_shared_memory_queue_t *q; ip4_main_t *im = &ip4_main; mfib_table_t *mfib_table; fib_node_index_t *mfeip; vl_api_ip_mfib_dump_ctc_t ctx = { .entries = NULL, }; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; /* *INDENT-OFF* */ pool_foreach (mfib_table, im->mfibs, ({ ip4_mfib_table_walk(&mfib_table->v4, vl_api_ip_mfib_table_dump_walk, &ctx); vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort); vec_foreach (mfeip, ctx.entries) { send_ip_mfib_details (q, mp->context, mfib_table->mft_table_id, *mfeip); } vec_reset_length (ctx.entries); })); /* *INDENT-ON* */ vec_free (ctx.entries); } static void send_ip6_mfib_details (vpe_api_main_t * am, unix_shared_memory_queue_t * q, u32 table_id, mfib_prefix_t * pfx, fib_route_path_encode_t * api_rpaths, u32 context) { vl_api_ip6_mfib_details_t *mp; fib_route_path_encode_t *api_rpath; vl_api_fib_path_t *fp; int path_count; path_count = vec_len (api_rpaths); mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp)); if (!mp) return; memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS); mp->context = context; mp->table_id = htonl (table_id); mp->address_length = pfx->fp_len; memcpy (mp->grp_address, &pfx->fp_grp_addr.ip6, sizeof (pfx->fp_grp_addr.ip6)); memcpy (mp->src_address, &pfx->fp_src_addr.ip6, sizeof (pfx->fp_src_addr.ip6)); mp->count = htonl (path_count); fp = mp->path; vec_foreach (api_rpath, api_rpaths) { memset (fp, 0, sizeof (*fp)); fp->weight = 0; fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index); copy_fib_next_hop (api_rpath, fp); fp++; } vl_msg_api_send_shmem (q, (u8 *) & mp); } typedef struct vl_api_ip6_mfib_dump_ctc_t_ { fib_node_index_t *entries; } vl_api_ip6_mfib_dump_ctc_t; static int vl_api_ip6_mfib_table_dump_walk (fib_node_index_t fei, void *arg) { vl_api_ip6_mfib_dump_ctc_t *ctx = arg; vec_add1 (ctx->entries, fei); return (0); } static void vl_api_ip6_mfib_dump_t_handler (vl_api_ip6_mfib_dump_t * mp) { vpe_api_main_t *am = &vpe_api_main; unix_shared_memory_queue_t *q; ip6_main_t *im = &ip6_main; mfib_table_t *mfib_table; fib_node_index_t *mfeip; mfib_prefix_t pfx; fib_route_path_encode_t *api_rpaths = NULL; vl_api_ip6_mfib_dump_ctc_t ctx = { .entries = NULL, }; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; /* *INDENT-OFF* */ pool_foreach (mfib_table, im->mfibs, ({ ip6_mfib_table_walk(&mfib_table->v6, vl_api_ip6_mfib_table_dump_walk, &ctx); vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort); vec_foreach(mfeip, ctx.entries) { mfib_entry_get_prefix (*mfeip, &pfx); mfib_entry_encode (*mfeip, &api_rpaths); send_ip6_mfib_details (am, q, mfib_table->mft_table_id, &pfx, api_rpaths, mp->context); } vec_reset_length (api_rpaths); vec_reset_length (ctx.entries); })); /* *INDENT-ON* */ vec_free (ctx.entries); vec_free (api_rpaths); } 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; vnet_main_t *vnm = vnet_get_main (); int rv = 0; VALIDATE_SW_IF_INDEX (mp); stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ ); /* * 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_ipv6) { if (mp->is_add) rv = vnet_set_ip6_ethernet_neighbor (vm, ntohl (mp->sw_if_index), (ip6_address_t *) (mp->dst_address), mp->mac_address, sizeof (mp->mac_address), mp->is_static, mp->is_no_adj_fib); else rv = vnet_unset_ip6_ethernet_neighbor (vm, ntohl (mp->sw_if_index), (ip6_address_t *) (mp->dst_address), mp->mac_address, sizeof (mp->mac_address)); } else { ethernet_arp_ip4_over_ethernet_address_t a; clib_memcpy (&a.ethernet, mp->mac_address, 6); clib_memcpy (&a.ip4, mp->dst_address, 4); if (mp->is_add) rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a, mp->is_static, mp->is_no_adj_fib); else rv = vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a); } BAD_SW_IF_INDEX_LABEL; stats_dsunlock (); REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY); } 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->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4); u32 table_id = ntohl (mp->table_id); int rv = 0; if (mp->is_add) { ip_table_create (fproto, table_id, 1, mp->name); } else { ip_table_delete (fproto, table_id, 1); } REPLY_MACRO (VL_API_IP_TABLE_ADD_DEL_REPLY); } int add_del_route_t_handler (u8 is_multipath, u8 is_add, u8 is_drop, u8 is_unreach, u8 is_prohibit, u8 is_local, u8 is_multicast, u8 is_classify, u32 classify_table_index, u8 is_resolve_host, u8 is_resolve_attached, u8 is_interface_rx, u8 is_rpf_id, u32 fib_index, const fib_prefix_t * prefix, dpo_proto_t next_hop_proto, const ip46_address_t * next_hop, u32 next_hop_sw_if_index, u8 next_hop_fib_index, u16 next_hop_weight, u16 next_hop_preference, mpls_label_t next_hop_via_label, mpls_label_t * next_hop_out_label_stack) { vnet_classify_main_t *cm = &vnet_classify_main; fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE; fib_route_path_t path = { .frp_proto = next_hop_proto, .frp_addr = (NULL == next_hop ? zero_addr : *next_hop), .frp_sw_if_index = next_hop_sw_if_index, .frp_fib_index = next_hop_fib_index, .frp_weight = next_hop_weight, .frp_preference = next_hop_preference, .frp_label_stack = next_hop_out_label_stack, }; fib_route_path_t *paths = NULL; fib_entry_flag_t entry_flags = FIB_ENTRY_FLAG_NONE; /* * the special INVALID label meams we are not recursing via a * label. Exp-null value is never a valid via-label so that * also means it's not a via-label and means clients that set * it to 0 by default get the expected behaviour */ if ((MPLS_LABEL_INVALID != next_hop_via_label) && (0 != next_hop_via_label)) { path.frp_proto = DPO_PROTO_MPLS; path.frp_local_label = next_hop_via_label; path.frp_eos = MPLS_NON_EOS; } if (is_resolve_host) path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST; if (is_resolve_attached) path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED; if (is_interface_rx) path_flags |= FIB_ROUTE_PATH_INTF_RX; if (is_rpf_id) path_flags |= FIB_ROUTE_PATH_RPF_ID; if (is_multicast) entry_flags |= FIB_ENTRY_FLAG_MULTICAST; path.frp_flags = path_flags; if (is_multipath) { stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ ); vec_add1 (paths, path); if (is_add) fib_table_entry_path_add2 (fib_index, prefix, FIB_SOURCE_API, entry_flags, paths); else fib_table_entry_path_remove2 (fib_index, prefix, FIB_SOURCE_API, paths); vec_free (paths); stats_dsunlock (); return 0; } stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ ); if (is_drop || is_local || is_classify || is_unreach || is_prohibit) { /* * special route types that link directly to the adj */ if (is_add) { dpo_id_t dpo = DPO_INVALID; dpo_proto_t dproto; dproto = fib_proto_to_dpo (prefix->fp_proto); if (is_drop) ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo); else if (is_local) receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo); else if (is_unreach) ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo); else if (is_prohibit) ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_SEND_ICMP_PROHIBIT, &dpo); else if (is_classify) { if (pool_is_free_index (cm->tables, ntohl (classify_table_index))) { stats_dsunlock (); return VNET_API_ERROR_NO_SUCH_TABLE; } dpo_set (&dpo, DPO_CLASSIFY, dproto, classify_dpo_create (dproto, ntohl (classify_table_index))); } else { stats_dsunlock (); return VNET_API_ERROR_NO_SUCH_TABLE; } fib_table_entry_special_dpo_update (fib_index, prefix, FIB_SOURCE_API, FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); dpo_reset (&dpo); } else { fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API); } } else { if (is_add) { vec_add1 (paths, path); fib_table_entry_update (fib_index, prefix, FIB_SOURCE_API, entry_flags, paths); vec_free (paths); } else { fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API); } } stats_dsunlock (); return (0); } int add_del_route_check (fib_protocol_t table_proto, u32 table_id, u32 next_hop_sw_if_index, dpo_proto_t next_hop_table_proto, u32 next_hop_table_id, u8 is_rpf_id, u32 * fib_index, u32 * next_hop_fib_index) { vnet_main_t *vnm = vnet_get_main (); /* Temporaray whilst I do the CSIT dance */ u8 create_missing_tables = 1; *fib_index = fib_table_find (table_proto, ntohl (table_id)); if (~0 == *fib_index) { if (create_missing_tables) { *fib_index = fib_table_find_or_create_and_lock (table_proto, ntohl (table_id), FIB_SOURCE_API); } else { /* No such VRF, and we weren't asked to create one */ return VNET_API_ERROR_NO_SUCH_FIB; } } if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index)) { if (pool_is_free_index (vnm->interface_main.sw_interfaces, ntohl (next_hop_sw_if_index))) { return VNET_API_ERROR_NO_MATCHING_INTERFACE; } } else { fib_protocol_t fib_nh_proto; if (next_hop_table_proto > DPO_PROTO_MPLS) return (0); fib_nh_proto = dpo_proto_to_fib (next_hop_table_proto); if (is_rpf_id) *next_hop_fib_index = mfib_table_find (fib_nh_proto, ntohl (next_hop_table_id)); else *next_hop_fib_index = fib_table_find (fib_nh_proto, ntohl (next_hop_table_id)); if (~0 == *next_hop_fib_index) { if (create_missing_tables) { if (is_rpf_id) *next_hop_fib_index = mfib_table_find_or_create_and_lock (fib_nh_proto, ntohl (next_hop_table_id), MFIB_SOURCE_API); else *next_hop_fib_index = fib_table_find_or_create_and_lock (fib_nh_proto, ntohl (next_hop_table_id), FIB_SOURCE_API); } else { /* No such VRF, and we weren't asked to create one */ return VNET_API_ERROR_NO_SUCH_FIB; } } } return (0); } static int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp) { u32 fib_index, next_hop_fib_index; mpls_label_t *label_stack = NULL; int rv, ii, n_labels;; rv = add_del_route_check (FIB_PROTOCOL_IP4, mp->table_id, mp->next_hop_sw_if_index, DPO_PROTO_IP4, mp->next_hop_table_id, 0, &fib_index, &next_hop_fib_index); if (0 != rv) return (rv); fib_prefix_t pfx = { .fp_len = mp->dst_address_length, .fp_proto = FIB_PROTOCOL_IP4, }; clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4)); ip46_address_t nh; memset (&nh, 0, sizeof (nh)); memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4)); n_labels = mp->next_hop_n_out_labels; if (n_labels == 0) ; else if (1 == n_labels) vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0])); else { vec_validate (label_stack, n_labels - 1); for (ii = 0; ii < n_labels; ii++) label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]); } return (add_del_route_t_handler (mp->is_multipath, mp->is_add, mp->is_drop, mp->is_unreach, mp->is_prohibit, mp->is_local, 0, mp->is_classify, mp->classify_table_index, mp->is_resolve_host, mp->is_resolve_attached, 0, 0, fib_index, &pfx, DPO_PROTO_IP4, &nh, ntohl (mp->next_hop_sw_if_index), next_hop_fib_index, mp->next_hop_weight, mp->next_hop_preference, ntohl (mp->next_hop_via_label), label_stack)); } static int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp) { u32 fib_index, next_hop_fib_index; mpls_label_t *label_stack = NULL; int rv, ii, n_labels;; rv = add_del_route_check (FIB_PROTOCOL_IP6, mp->table_id, mp->next_hop_sw_if_index, DPO_PROTO_IP6, mp->next_hop_table_id, 0, &fib_index, &next_hop_fib_index); if (0 != rv) return (rv); fib_prefix_t pfx = { .fp_len = mp->dst_address_length, .fp_proto = FIB_PROTOCOL_IP6, }; clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6)); ip46_address_t nh; memset (&nh, 0, sizeof (nh)); memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6)); n_labels = mp->next_hop_n_out_labels; if (n_labels == 0) ; else if (1 == n_labels) vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0])); else { vec_validate (label_stack, n_labels - 1); for (ii = 0; ii < n_labels; ii++) label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]); } return (add_del_route_t_handler (mp->is_multipath, mp->is_add, mp->is_drop, mp->is_unreach, mp->is_prohibit, mp->is_local, 0, mp->is_classify, mp->classify_table_index, mp->is_resolve_host, mp->is_resolve_attached, 0, 0, fib_index, &pfx, DPO_PROTO_IP6, &nh, ntohl (mp->next_hop_sw_if_index), next_hop_fib_index, mp->next_hop_weight, mp->next_hop_preference, ntohl (mp->next_hop_via_label), label_stack)); } void vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp) { vl_api_ip_add_del_route_reply_t *rmp; int rv; vnet_main_t *vnm = vnet_get_main (); vnm->api_errno = 0; if (mp->is_ipv6) rv = ip6_add_del_route_t_handler (mp); else rv = ip4_add_del_route_t_handler (mp); rv = (rv == 0) ? vnm->api_errno : rv; REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY); } 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 int add_del_mroute_check (fib_protocol_t table_proto, u32 table_id, u32 next_hop_sw_if_index, u8 is_local, u32 * fib_index) { vnet_main_t *vnm = vnet_get_main (); *fib_index = mfib_table_find (table_proto, ntohl (table_id)); if (~0 == *fib_index) { /* No such table */ return VNET_API_ERROR_NO_SUCH_FIB; } if (~0 != ntohl (next_hop_sw_if_index)) { if (pool_is_free_index (vnm->interface_main.sw_interfaces, ntohl (next_hop_sw_if_index))) { return VNET_API_ERROR_NO_MATCHING_INTERFACE; } } return (0); } static int mroute_add_del_handler (u8 is_add, u8 is_local, u32 fib_index, const mfib_prefix_t * prefix, u32 entry_flags, fib_rpf_id_t rpf_id, u32 next_hop_sw_if_index, u32 itf_flags) { stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ ); fib_route_path_t path = { .frp_sw_if_index = next_hop_sw_if_index, .frp_proto = fib_proto_to_dpo (prefix->fp_proto), }; if (is_local) path.frp_flags |= FIB_ROUTE_PATH_LOCAL; if (!is_local && ~0 == next_hop_sw_if_index) { mfib_table_entry_update (fib_index, prefix, MFIB_SOURCE_API, rpf_id, entry_flags); } else { if (is_add) { mfib_table_entry_path_update (fib_index, prefix, MFIB_SOURCE_API, &path, itf_flags); } else { mfib_table_entry_path_remove (fib_index, prefix, MFIB_SOURCE_API, &path); } } stats_dsunlock (); return (0); } static int api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp) { fib_protocol_t fproto; u32 fib_index; int rv; fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4); rv = add_del_mroute_check (fproto, mp->table_id, mp->next_hop_sw_if_index, mp->is_local, &fib_index); if (0 != rv) return (rv); mfib_prefix_t pfx = { .fp_len = ntohs (mp->grp_address_length), .fp_proto = fproto, }; if (FIB_PROTOCOL_IP4 == fproto) { clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address, sizeof (pfx.fp_grp_addr.ip4)); clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address, sizeof (pfx.fp_src_addr.ip4)); } else { clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address, sizeof (pfx.fp_grp_addr.ip6)); clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address, sizeof (pfx.fp_src_addr.ip6)); } return (mroute_add_del_handler (mp->is_add, mp->is_local, fib_index, &pfx, ntohl (mp->entry_flags), ntohl (mp->rpf_id), ntohl (mp->next_hop_sw_if_index), ntohl (mp->itf_flags))); } 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; int rv; vnet_main_t *vnm = vnet_get_main (); vnm->api_errno = 0; rv = api_mroute_add_del_t_handler (mp); rv = (rv == 0) ? vnm->api_errno : rv; REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY); } static void send_ip_details (vpe_api_main_t * am, unix_shared_memory_queue_t * q, u32 sw_if_index, u8 is_ipv6, u32 context) { vl_api_ip_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); 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_msg_api_send_shmem (q, (u8 *) & mp); } static void send_ip_address_details (vpe_api_main_t * am, unix_shared_memory_queue_t * q, u8 * ip, u16 prefix_length, u32 sw_if_index, u8 is_ipv6, u32 context) { vl_api_ip_address_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS); if (is_ipv6) { clib_memcpy (&mp->ip, ip, sizeof (mp->ip)); } else { u32 *tp = (u32 *) mp->ip; *tp = *(u32 *) ip; } mp->prefix_length = prefix_length; mp->context = context; mp->sw_if_index = htonl (sw_if_index); mp->is_ipv6 = is_ipv6; vl_msg_api_send_shmem (q, (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; unix_shared_memory_queue_t *q; ip6_address_t *r6; ip4_address_t *r4; 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); q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) return; if (mp->is_ipv6) { /* *INDENT-OFF* */ foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* honor unnumbered */, ({ r6 = ip_interface_address_get_address (lm6, ia); u16 prefix_length = ia->address_length; send_ip_address_details(am, q, (u8*)r6, prefix_length, sw_if_index, 1, mp->context); })); /* *INDENT-ON* */ } else { /* *INDENT-OFF* */ foreach_ip_interface_address (lm4, ia, sw_if_index, 1 /* honor unnumbered */, ({ r4 = ip_interface_address_get_address (lm4, ia); u16 prefix_length = ia->address_length; send_ip_address_details(am, q, (u8*)r4, prefix_length, sw_if_index, 0, 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; unix_shared_memory_queue_t *q; vnet_sw_interface_t *si, *sorted_sis; u32 sw_if_index = ~0; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) { 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, q, 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; int rv = 0; u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink; VALIDATE_SW_IF_INDEX (mp); 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), (ip6_address_t *) mp->address, mp->address_length, 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 (unix_shared_memory_queue_t * q, 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)); 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); memcpy (mp->address, addr, 16); vl_msg_api_send_shmem (q, (u8 *) & mp); } typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_ { u32 *indices; } api_ip6nd_proxy_fib_table_walk_ctx_t; static int 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 (1); } 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; fib_prefix_t pfx; unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) { 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) { fib_entry_get_prefix (*feip, &pfx); send_ip6nd_proxy_details (q, 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; int rv = 0; VALIDATE_SW_IF_INDEX (mp); rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index), (ip6_address_t *) mp->address, mp->is_del); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY); } 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); } static void vl_api_sw_interface_ip6_set_link_local_address_t_handler (vl_api_sw_interface_ip6_set_link_local_address_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp; int rv = 0; clib_error_t *error; vnet_main_t *vnm = vnet_get_main (); vnm->api_errno = 0; VALIDATE_SW_IF_INDEX (mp); error = set_ip6_link_local_address (vm, ntohl (mp->sw_if_index), (ip6_address_t *) mp->address); 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_SET_LINK_LOCAL_ADDRESS_REPLY); } void vl_mfib_signal_send_one (unix_shared_memory_queue_t * q, u32 context, const mfib_signal_t * mfs) { vl_api_mfib_signal_details_t *mp; mfib_prefix_t prefix; mfib_table_t *mfib; mfib_itf_t *mfi; mp = vl_msg_api_alloc (sizeof (*mp)); 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); mfib_entry_get_prefix (mfs->mfs_entry, &prefix); 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); if (FIB_PROTOCOL_IP4 == prefix.fp_proto) { mp->grp_address_len = ntohs (prefix.fp_len); memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4); if (prefix.fp_len > 32) { memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4); } } else { mp->grp_address_len = ntohs (prefix.fp_len); ASSERT (0); } 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_msg_api_send_shmem (q, (u8 *) & mp); } static void vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp) { unix_shared_memory_queue_t *q; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) { return; } while (q->cursize < q->maxsize && mfib_signal_send_one (q, mp->context)) ; } #define vl_msg_name_crc_list #include <vnet/ip/ip.api.h> #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 _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (ip_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */