dns: make the dns name resolver a plugin - vpp

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author	Dave Barach <dave@barachs.net>	2019-08-21 19:23:00 -0400
committer	Florin Coras <florin.coras@gmail.com>	2019-08-22 15:05:49 +0000
commit	34af0ccf5cf27d8a72119626d2d009222e4ff0a6 (patch)
tree	ab108d50c4b59de2122dd5f6cd8f06f3543a2b47 /test/patches/scapy-2.4
parent	2ca9a84bd00f2aee642d0147c1b99d4be5725a70 (diff)

dns: make the dns name resolver a plugin

Type: refactor Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I823c2cd307a4613653a2d20f564dda062d4da31b

Diffstat (limited to 'test/patches/scapy-2.4')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2018 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/udp/udp_encap.h> #include <vnet/fib/fib_table.h> #include <vnet/ip/ip_types_api.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_udp_api_msg \ _(UDP_ENCAP_DEL, udp_encap_del) \ _(UDP_ENCAP_ADD, udp_encap_add) \ _(UDP_ENCAP_DUMP, udp_encap_dump) static void send_udp_encap_details (const udp_encap_t * ue, vl_api_registration_t * reg, u32 context) { vl_api_udp_encap_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_UDP_ENCAP_DETAILS); mp->context = context; if (FIB_PROTOCOL_IP4 == ue->ue_ip_proto) { clib_memcpy (&mp->udp_encap.src_ip.un.ip4, &ue->ue_hdrs.ip4.ue_ip4.src_address, 4); clib_memcpy (&mp->udp_encap.dst_ip.un.ip4, &ue->ue_hdrs.ip4.ue_ip4.dst_address, 4); mp->udp_encap.dst_ip.af = clib_host_to_net_u32 (ADDRESS_IP4); mp->udp_encap.src_ip.af = clib_host_to_net_u32 (ADDRESS_IP4); /* ports aren't byte swapped because they are stored in network * byte order */ mp->udp_encap.src_port = ue->ue_hdrs.ip4.ue_udp.src_port; mp->udp_encap.dst_port = ue->ue_hdrs.ip4.ue_udp.dst_port; } else { clib_memcpy (&mp->udp_encap.src_ip.un.ip6, &ue->ue_hdrs.ip6.ue_ip6.src_address, 16); clib_memcpy (&mp->udp_encap.dst_ip.un.ip6, &ue->ue_hdrs.ip6.ue_ip6.dst_address, 16); mp->udp_encap.dst_ip.af = clib_host_to_net_u32 (ADDRESS_IP6); mp->udp_encap.src_ip.af = clib_host_to_net_u32 (ADDRESS_IP6); /* ports aren't byte swapped because they are stored in network * byte order */ mp->udp_encap.src_port = ue->ue_hdrs.ip6.ue_udp.src_port; mp->udp_encap.dst_port = ue->ue_hdrs.ip6.ue_udp.dst_port; } mp->udp_encap.table_id = htonl (fib_table_get_table_id (ue->ue_fib_index, ue->ue_ip_proto)); mp->udp_encap.id = htonl (ue - udp_encap_pool); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_udp_encap_dump_t_handler (vl_api_udp_encap_dump_t * mp, vlib_main_t * vm) { vl_api_registration_t *reg; udp_encap_t *ue; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; /* *INDENT-OFF* */ pool_foreach(ue, udp_encap_pool, ({ send_udp_encap_details(ue, reg, mp->context); })); /* *INDENT-ON* */ } static void vl_api_udp_encap_add_t_handler (vl_api_udp_encap_add_t * mp, vlib_main_t * vm) { vl_api_udp_encap_add_reply_t *rmp; ip46_address_t src_ip, dst_ip; u32 fib_index, table_id; fib_protocol_t fproto; ip46_type_t itype; index_t uei; int rv = 0; uei = INDEX_INVALID; table_id = ntohl (mp->udp_encap.table_id); itype = ip_address_decode (&mp->udp_encap.src_ip, &src_ip); itype = ip_address_decode (&mp->udp_encap.dst_ip, &dst_ip); fproto = fib_proto_from_ip46 (itype); fib_index = fib_table_find (fproto, table_id); if (~0 == fib_index) { rv = VNET_API_ERROR_NO_SUCH_TABLE; goto done; } uei = udp_encap_add_and_lock (fproto, fib_index, &src_ip, &dst_ip, ntohs (mp->udp_encap.src_port), ntohs (mp->udp_encap.dst_port), UDP_ENCAP_FIXUP_NONE); done: /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_UDP_ENCAP_ADD_REPLY, ({ rmp->id = ntohl (uei); })); /* *INDENT-ON* */ } static void vl_api_udp_encap_del_t_handler (vl_api_udp_encap_del_t * mp, vlib_main_t * vm) { vl_api_udp_encap_del_reply_t *rmp; int rv = 0; udp_encap_unlock (ntohl (mp->id)); REPLY_MACRO (VL_API_UDP_ENCAP_DEL_REPLY); } #define vl_msg_name_crc_list #include <vnet/udp/udp.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_udp; #undef _ } static clib_error_t * udp_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_udp_api_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (udp_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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