diff options
Diffstat (limited to 'src/vnet/ip/ip_api.c')
| -rw-r--r-- | src/vnet/ip/ip_api.c | 1196 |
1 files changed, 1196 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c new file mode 100644 index 00000000000..cd9b7397d29 --- /dev/null +++ b/src/vnet/ip/ip_api.c @@ -0,0 +1,1196 @@ +/* + *------------------------------------------------------------------ + * 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/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) \ +_(IP_FIB_DETAILS, ip_fib_details) \ +_(IP6_FIB_DUMP, ip6_fib_dump) \ +_(IP6_FIB_DETAILS, ip6_fib_details) \ +_(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \ +_(IP_NEIGHBOR_DETAILS, ip_neighbor_details) \ +_(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) \ +_(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) \ +_(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_details_t_handler (vl_api_ip_neighbor_details_t * mp) +{ + clib_warning ("BUG"); +} + +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 == FIB_PROTOCOL_IP4) + fp->afi = IP46_TYPE_IP4; + else if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_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 +vl_api_ip_fib_details_t_handler (vl_api_ip_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +vl_api_ip_fib_details_t_endian (vl_api_ip_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +vl_api_ip_fib_details_t_print (vl_api_ip_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +send_ip_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_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_id); + 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 = htonl (api_rpath->rpath.frp_weight); + 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); +} + +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 lfei, *lfeip, *lfeis = NULL; + mpls_label_t key; + fib_prefix_t pfx; + u32 fib_index; + fib_route_path_encode_t *api_rpaths; + int i; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* *INDENT-OFF* */ + pool_foreach (fib_table, im->fibs, + ({ + for (i = 0; i < ARRAY_LEN (fib_table->v4.fib_entry_by_dst_address); i++) + { + hash_foreach(key, lfei, fib_table->v4.fib_entry_by_dst_address[i], + ({ + vec_add1(lfeis, lfei); + })); + } + })); + /* *INDENT-ON* */ + + vec_sort_with_function (lfeis, fib_entry_cmp_for_sort); + + vec_foreach (lfeip, lfeis) + { + 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->ft_table_id, &pfx, api_rpaths, + mp->context); + vec_free (api_rpaths); + } + + vec_free (lfeis); +} + +static void +vl_api_ip6_fib_details_t_handler (vl_api_ip6_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +vl_api_ip6_fib_details_t_endian (vl_api_ip6_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +vl_api_ip6_fib_details_t_print (vl_api_ip6_fib_details_t * mp) +{ + clib_warning ("BUG"); +} + +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 = htonl (api_rpath->rpath.frp_weight); + 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 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; + ip6_fib_t *fib = &fib_table->v6; + fib_node_index_t *fib_entry_index; + api_ip6_fib_show_ctx_t ctx = { + .fib_index = fib->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 +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); + 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); + 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); +} + +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_classify, + u32 classify_table_index, + u8 is_resolve_host, + u8 is_resolve_attached, + u32 fib_index, + const fib_prefix_t * prefix, + u8 next_hop_proto_is_ip4, + const ip46_address_t * next_hop, + u32 next_hop_sw_if_index, + u8 next_hop_fib_index, + u32 next_hop_weight, + 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_is_ip4 ? + FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6), + .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_label_stack = next_hop_out_label_stack, + }; + fib_route_path_t *paths = NULL; + + if (MPLS_LABEL_INVALID != next_hop_via_label) + { + path.frp_proto = FIB_PROTOCOL_MPLS; + path.frp_local_label = next_hop_via_label; + } + if (is_resolve_host) + path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST; + if (is_resolve_attached) + path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED; + + 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, + FIB_ENTRY_FLAG_NONE, 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, FIB_ENTRY_FLAG_NONE, 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, + fib_protocol_t next_hop_table_proto, + u32 next_hop_table_id, + u8 create_missing_tables, + u32 * fib_index, u32 * next_hop_fib_index) +{ + vnet_main_t *vnm = vnet_get_main (); + + *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)); + } + else + { + /* No such VRF, and we weren't asked to create one */ + 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; + } + } + else + { + *next_hop_fib_index = fib_table_find (next_hop_table_proto, + ntohl (next_hop_table_id)); + + if (~0 == *next_hop_fib_index) + { + if (create_missing_tables) + { + *next_hop_fib_index = + fib_table_find_or_create_and_lock (next_hop_table_proto, + ntohl (next_hop_table_id)); + } + 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, + FIB_PROTOCOL_IP4, + mp->next_hop_table_id, + mp->create_vrf_if_needed, + &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, + mp->is_classify, + mp->classify_table_index, + mp->is_resolve_host, + mp->is_resolve_attached, + fib_index, &pfx, 1, + &nh, + ntohl (mp->next_hop_sw_if_index), + next_hop_fib_index, + mp->next_hop_weight, + 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, + FIB_PROTOCOL_IP6, + mp->next_hop_table_id, + mp->create_vrf_if_needed, + &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, + mp->is_classify, + mp->classify_table_index, + mp->is_resolve_host, + mp->is_resolve_attached, + fib_index, &pfx, 0, + &nh, ntohl (mp->next_hop_sw_if_index), + next_hop_fib_index, + mp->next_hop_weight, + 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); +} + +static void +send_ip_details (vpe_api_main_t * am, + unix_shared_memory_queue_t * q, u32 sw_if_index, 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->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, 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; + + 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, 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, 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->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 = VNET_API_ERROR_UNIMPLEMENTED; + + clib_warning ("unimplemented..."); + + 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 + 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, + mp->address_length); + 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); +} + + +#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: + */ |