/* *------------------------------------------------------------------ * map_api.c - vnet map 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/ip/ip_types_api.h> #include <map/map.h> #include <map/map.api_enum.h> #include <map/map.api_types.h> #include <vnet/ip/ip.h> #include <vnet/ip/reass/ip4_sv_reass.h> #include <vnet/ip/reass/ip6_sv_reass.h> #include <vnet/ip/reass/ip6_full_reass.h> #include <vnet/fib/fib_table.h> #include <vlibmemory/api.h> #define REPLY_MSG_ID_BASE mm->msg_id_base #include <vlibapi/api_helper_macros.h> static void vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp) { map_main_t *mm = &map_main; vl_api_map_add_domain_reply_t *rmp; int rv = 0; u32 index; u8 flags = 0; u8 *tag = format (0, "%s", mp->tag); rv = map_create_domain ((ip4_address_t *) & mp->ip4_prefix.address, mp->ip4_prefix.len, (ip6_address_t *) & mp->ip6_prefix.address, mp->ip6_prefix.len, (ip6_address_t *) & mp->ip6_src.address, mp->ip6_src.len, mp->ea_bits_len, mp->psid_offset, mp->psid_length, &index, ntohs (mp->mtu), flags, tag); vec_free (tag); /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY, ({ rmp->index = ntohl(index); })); /* *INDENT-ON* */ } static void vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp) { map_main_t *mm = &map_main; vl_api_map_del_domain_reply_t *rmp; int rv = 0; rv = map_delete_domain (ntohl (mp->index)); REPLY_MACRO (VL_API_MAP_DEL_DOMAIN_REPLY); } static void vl_api_map_add_del_rule_t_handler (vl_api_map_add_del_rule_t * mp) { map_main_t *mm = &map_main; vl_api_map_del_domain_reply_t *rmp; int rv = 0; rv = map_add_del_psid (ntohl (mp->index), ntohs (mp->psid), (ip6_address_t *) & mp->ip6_dst, mp->is_add); REPLY_MACRO (VL_API_MAP_ADD_DEL_RULE_REPLY); } static void vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp) { vl_api_map_domain_details_t *rmp; map_main_t *mm = &map_main; map_domain_t *d; map_domain_extra_t *de; vl_api_registration_t *reg; u32 map_domain_index; if (pool_elts (mm->domains) == 0) return; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach(d, mm->domains, ({ map_domain_index = d - mm->domains; de = vec_elt_at_index(mm->domain_extras, map_domain_index); int tag_len = clib_min(ARRAY_LEN(rmp->tag), vec_len(de->tag) + 1); /* Make sure every field is initiated (or don't skip the clib_memset()) */ rmp = vl_msg_api_alloc (sizeof (*rmp) + tag_len); rmp->_vl_msg_id = htons(VL_API_MAP_DOMAIN_DETAILS + mm->msg_id_base); rmp->context = mp->context; rmp->domain_index = htonl(map_domain_index); clib_memcpy(&rmp->ip6_prefix.address, &d->ip6_prefix, sizeof(rmp->ip6_prefix.address)); clib_memcpy(&rmp->ip4_prefix.address, &d->ip4_prefix, sizeof(rmp->ip4_prefix.address)); clib_memcpy(&rmp->ip6_src.address, &d->ip6_src, sizeof(rmp->ip6_src.address)); rmp->ip6_prefix.len = d->ip6_prefix_len; rmp->ip4_prefix.len = d->ip4_prefix_len; rmp->ip6_src.len = d->ip6_src_len; rmp->ea_bits_len = d->ea_bits_len; rmp->psid_offset = d->psid_offset; rmp->psid_length = d->psid_length; rmp->flags = d->flags; rmp->mtu = htons(d->mtu); memcpy(rmp->tag, de->tag, tag_len-1); rmp->tag[tag_len-1] = '\0'; vl_api_send_msg (reg, (u8 *) rmp); })); /* *INDENT-ON* */ } static void vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp) { vl_api_registration_t *reg; u16 i; ip6_address_t dst; vl_api_map_rule_details_t *rmp; map_main_t *mm = &map_main; u32 domain_index = ntohl (mp->domain_index); map_domain_t *d; if (pool_elts (mm->domains) == 0) return; d = pool_elt_at_index (mm->domains, domain_index); if (!d || !d->rules) { return; } reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; for (i = 0; i < (0x1 << d->psid_length); i++) { dst = d->rules[i]; if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0) { continue; } rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS + mm->msg_id_base); rmp->psid = htons (i); clib_memcpy (&rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst)); rmp->context = mp->context; vl_api_send_msg (reg, (u8 *) rmp); } } static void vl_api_map_summary_stats_t_handler (vl_api_map_summary_stats_t * mp) { vl_api_map_summary_stats_reply_t *rmp; vlib_combined_counter_main_t *cm; vlib_counter_t v; int i, which; u64 total_pkts[VLIB_N_RX_TX]; u64 total_bytes[VLIB_N_RX_TX]; map_main_t *mm = &map_main; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_MAP_SUMMARY_STATS_REPLY + mm->msg_id_base); rmp->context = mp->context; rmp->retval = 0; if (pool_elts (mm->domains) == 0) { rmp->retval = -1; goto out; } clib_memset (total_pkts, 0, sizeof (total_pkts)); clib_memset (total_bytes, 0, sizeof (total_bytes)); map_domain_counter_lock (mm); vec_foreach (cm, mm->domain_counters) { which = cm - mm->domain_counters; for (i = 0; i < vlib_combined_counter_n_counters (cm); i++) { vlib_get_combined_counter (cm, i, &v); total_pkts[which] += v.packets; total_bytes[which] += v.bytes; } } map_domain_counter_unlock (mm); /* Note: in network byte order! */ rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_RX]); rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_RX]); rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_TX]); rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_TX]); rmp->total_bindings = clib_host_to_net_u64 (pool_elts (mm->domains)); rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter. rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64 (map_error_counter_get (ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK)); rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64 (map_error_counter_get (ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK)); out: vl_api_send_msg (reg, (u8 *) rmp); } int map_param_set_fragmentation (bool inner, bool ignore_df) { map_main_t *mm = &map_main; mm->frag_inner = ! !inner; mm->frag_ignore_df = ! !ignore_df; return 0; } static void vl_api_map_param_set_fragmentation_t_handler (vl_api_map_param_set_fragmentation_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_fragmentation_reply_t *rmp; int rv = 0; rv = map_param_set_fragmentation (mp->inner, mp->ignore_df); REPLY_MACRO (VL_API_MAP_PARAM_SET_FRAGMENTATION_REPLY); } int map_param_set_icmp (ip4_address_t * icmp_src_address) { map_main_t *mm = &map_main; if (icmp_src_address == 0) return -1; mm->icmp4_src_address = *icmp_src_address; return 0; } static void vl_api_map_param_set_icmp_t_handler (vl_api_map_param_set_icmp_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_icmp_reply_t *rmp; int rv; rv = map_param_set_icmp ((ip4_address_t *) & mp->ip4_err_relay_src); REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP_REPLY); } int map_param_set_icmp6 (u8 enable_unreachable) { map_main_t *mm = &map_main; mm->icmp6_enabled = ! !enable_unreachable; return 0; } static void vl_api_map_param_set_icmp6_t_handler (vl_api_map_param_set_icmp6_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_icmp6_reply_t *rmp; int rv; rv = map_param_set_icmp6 (mp->enable_unreachable); REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP6_REPLY); } static void vl_api_map_param_add_del_pre_resolve_t_handler (vl_api_map_param_add_del_pre_resolve_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_add_del_pre_resolve_reply_t *rmp; int rv = 0; map_pre_resolve ((ip4_address_t *) & mp->ip4_nh_address, (ip6_address_t *) & mp->ip6_nh_address, !mp->is_add); REPLY_MACRO (VL_API_MAP_PARAM_ADD_DEL_PRE_RESOLVE_REPLY); } int map_param_set_security_check (bool enable, bool fragments) { map_main_t *mm = &map_main; mm->sec_check = ! !enable; mm->sec_check_frag = ! !fragments; return 0; } static void vl_api_map_param_set_security_check_t_handler (vl_api_map_param_set_security_check_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_security_check_reply_t *rmp; int rv; rv = map_param_set_security_check (mp->enable, mp->fragments); REPLY_MACRO (VL_API_MAP_PARAM_SET_SECURITY_CHECK_REPLY); } int map_param_set_traffic_class (bool copy, u8 tc) { map_main_t *mm = &map_main; mm->tc_copy = ! !copy; mm->tc = tc; return 0; } static void vl_api_map_param_set_traffic_class_t_handler (vl_api_map_param_set_traffic_class_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_traffic_class_reply_t *rmp; int rv; rv = map_param_set_traffic_class (mp->copy, mp->tc_class); REPLY_MACRO (VL_API_MAP_PARAM_SET_TRAFFIC_CLASS_REPLY); } int map_param_set_tcp (u16 tcp_mss) { map_main_t *mm = &map_main; mm->tcp_mss = tcp_mss; return 0; } static void vl_api_map_param_set_tcp_t_handler (vl_api_map_param_set_tcp_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_set_tcp_reply_t *rmp; int rv = 0; map_param_set_tcp (ntohs (mp->tcp_mss)); REPLY_MACRO (VL_API_MAP_PARAM_SET_TCP_REPLY); } static void vl_api_map_param_get_t_handler (vl_api_map_param_get_t * mp) { map_main_t *mm = &map_main; vl_api_map_param_get_reply_t *rmp; vl_api_registration_t *reg; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; rmp = vl_msg_api_alloc (sizeof (*rmp)); rmp->_vl_msg_id = htons (VL_API_MAP_PARAM_GET_REPLY + mm->msg_id_base); rmp->context = mp->context; rmp->retval = 0; rmp->frag_inner = mm->frag_inner; rmp->frag_ignore_df = mm->frag_ignore_df; clib_memcpy (&rmp->icmp_ip4_err_relay_src, &mm->icmp4_src_address, sizeof (rmp->icmp_ip4_err_relay_src)); rmp->icmp6_enable_unreachable = mm->icmp6_enabled; /* * FIXME: How are these addresses re-extracted from the FIB? * Or should a local map_main copy be kept? */ clib_memset (&rmp->ip4_nh_address, 0, sizeof (rmp->ip4_nh_address)); clib_memset (&rmp->ip6_nh_address, 0, sizeof (rmp->ip6_nh_address)); rmp->sec_check_enable = mm->sec_check; rmp->sec_check_fragments = mm->sec_check_frag; rmp->tc_copy = mm->tc_copy; rmp->tc_class = mm->tc; vl_api_send_msg (reg, (u8 *) rmp); } int map_if_enable_disable (bool is_enable, u32 sw_if_index, bool is_translation) { map_main_t *mm = &map_main; if (pool_is_free_index (mm->vnet_main->interface_main.sw_interfaces, sw_if_index)) return VNET_API_ERROR_INVALID_SW_IF_INDEX; is_enable = ! !is_enable; if (is_translation) { if (clib_bitmap_get (mm->bm_trans_enabled_by_sw_if, sw_if_index) == is_enable) return 0; } else { if (clib_bitmap_get (mm->bm_encap_enabled_by_sw_if, sw_if_index) == is_enable) return 0; } if (is_translation == false) { ip4_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable); ip6_full_reass_enable_disable_with_refcnt (sw_if_index, is_enable); vnet_feature_enable_disable ("ip4-unicast", "ip4-map", sw_if_index, is_enable ? 1 : 0, 0, 0); vnet_feature_enable_disable ("ip6-unicast", "ip6-map", sw_if_index, is_enable ? 1 : 0, 0, 0); mm->bm_encap_enabled_by_sw_if = clib_bitmap_set (mm->bm_encap_enabled_by_sw_if, sw_if_index, is_enable); } else { ip4_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable); ip6_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable); vnet_feature_enable_disable ("ip4-unicast", "ip4-map-t", sw_if_index, is_enable ? 1 : 0, 0, 0); vnet_feature_enable_disable ("ip6-unicast", "ip6-map-t", sw_if_index, is_enable ? 1 : 0, 0, 0); mm->bm_trans_enabled_by_sw_if = clib_bitmap_set (mm->bm_trans_enabled_by_sw_if, sw_if_index, is_enable); } return 0; } static void vl_api_map_if_enable_disable_t_handler (vl_api_map_if_enable_disable_t * mp) { map_main_t *mm = &map_main; vl_api_map_if_enable_disable_reply_t *rmp; int rv = 0; VALIDATE_SW_IF_INDEX (mp); rv = map_if_enable_disable (mp->is_enable, htonl (mp->sw_if_index), mp->is_translation); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_MAP_IF_ENABLE_DISABLE_REPLY); } /* API definitions */ #include <vnet/format_fns.h> #include <map/map.api.c> /* Set up the API message handling tables */ clib_error_t * map_plugin_api_hookup (vlib_main_t * vm) { map_main_t *mm = &map_main; mm->msg_id_base = setup_message_id_table (); return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */