/* * Copyright (c) 2017 Intel 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 <vat/vat.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> #include <vppinfra/error.h> #include <gtpu/gtpu.h> #define __plugin_msg_base gtpu_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> uword unformat_ip46_address (unformat_input_t * input, va_list * args) { ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); ip46_type_t type = va_arg (*args, ip46_type_t); if ((type != IP46_TYPE_IP6) && unformat(input, "%U", unformat_ip4_address, &ip46->ip4)) { ip46_address_mask_ip4(ip46); return 1; } else if ((type != IP46_TYPE_IP4) && unformat(input, "%U", unformat_ip6_address, &ip46->ip6)) { return 1; } return 0; } uword unformat_ip46_prefix (unformat_input_t * input, va_list * args) { ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); u8 *len = va_arg (*args, u8 *); ip46_type_t type = va_arg (*args, ip46_type_t); u32 l; if ((type != IP46_TYPE_IP6) && unformat(input, "%U/%u", unformat_ip4_address, &ip46->ip4, &l)) { if (l > 32) return 0; *len = l + 96; ip46->pad[0] = ip46->pad[1] = ip46->pad[2] = 0; } else if ((type != IP46_TYPE_IP4) && unformat(input, "%U/%u", unformat_ip6_address, &ip46->ip6, &l)) { if (l > 128) return 0; *len = l; } else { return 0; } return 1; } ///////////////////////// #define vl_msg_id(n,h) n, typedef enum { #include <gtpu/gtpu.api.h> /* We'll want to know how many messages IDs we need... */ VL_MSG_FIRST_AVAILABLE, } vl_msg_id_t; #undef vl_msg_id /* define message structures */ #define vl_typedefs #include <gtpu/gtpu.api.h> #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include <gtpu/gtpu.api.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include <gtpu/gtpu.api.h> #undef vl_printfun /* Get the API version number. */ #define vl_api_version(n,v) static u32 api_version=(v); #include <gtpu/gtpu.api.h> #undef vl_api_version typedef struct { /* API message ID base */ u16 msg_id_base; vat_main_t *vat_main; } gtpu_test_main_t; gtpu_test_main_t gtpu_test_main; static void vl_api_gtpu_add_del_tunnel_reply_t_handler (vl_api_gtpu_add_del_tunnel_reply_t * mp) { vat_main_t *vam = &vat_main; i32 retval = ntohl (mp->retval); if (vam->async_mode) { vam->async_errors += (retval < 0); } else { vam->retval = retval; vam->sw_if_index = ntohl (mp->sw_if_index); vam->result_ready = 1; } } #define foreach_standard_reply_retval_handler \ _(sw_interface_set_gtpu_bypass_reply) #define _(n) \ static void vl_api_##n##_t_handler \ (vl_api_##n##_t * mp) \ { \ vat_main_t * vam = gtpu_test_main.vat_main; \ i32 retval = ntohl(mp->retval); \ if (vam->async_mode) { \ vam->async_errors += (retval < 0); \ } else { \ vam->retval = retval; \ vam->result_ready = 1; \ } \ } foreach_standard_reply_retval_handler; #undef _ /* * Table of message reply handlers, must include boilerplate handlers * we just generated */ #define foreach_vpe_api_reply_msg \ _(SW_INTERFACE_SET_GTPU_BYPASS_REPLY, sw_interface_set_gtpu_bypass_reply) \ _(GTPU_ADD_DEL_TUNNEL_REPLY, gtpu_add_del_tunnel_reply) \ _(GTPU_TUNNEL_DETAILS, gtpu_tunnel_details) static uword api_unformat_sw_if_index (unformat_input_t * input, va_list * args) { vat_main_t *vam = va_arg (*args, vat_main_t *); u32 *result = va_arg (*args, u32 *); u8 *if_name; uword *p; if (!unformat (input, "%s", &if_name)) return 0; p = hash_get_mem (vam->sw_if_index_by_interface_name, if_name); if (p == 0) return 0; *result = p[0]; return 1; } static int api_sw_interface_set_gtpu_bypass (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_sw_interface_set_gtpu_bypass_t *mp; u32 sw_if_index = 0; u8 sw_if_index_set = 0; u8 is_enable = 1; u8 is_ipv6 = 0; int ret; /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index)) sw_if_index_set = 1; else if (unformat (i, "sw_if_index %d", &sw_if_index)) sw_if_index_set = 1; else if (unformat (i, "enable")) is_enable = 1; else if (unformat (i, "disable")) is_enable = 0; else if (unformat (i, "ip4")) is_ipv6 = 0; else if (unformat (i, "ip6")) is_ipv6 = 1; else break; } if (sw_if_index_set == 0) { errmsg ("missing interface name or sw_if_index"); return -99; } /* Construct the API message */ M (SW_INTERFACE_SET_GTPU_BYPASS, mp); mp->sw_if_index = ntohl (sw_if_index); mp->enable = is_enable; mp->is_ipv6 = is_ipv6; /* send it... */ S (mp); /* Wait for a reply... */ W (ret); return ret; } static uword unformat_gtpu_decap_next (unformat_input_t * input, va_list * args) { u32 *result = va_arg (*args, u32 *); u32 tmp; if (unformat (input, "l2")) *result = GTPU_INPUT_NEXT_L2_INPUT; else if (unformat (input, "%d", &tmp)) *result = tmp; else return 0; return 1; } static int api_gtpu_add_del_tunnel (vat_main_t * vam) { unformat_input_t *line_input = vam->input; vl_api_gtpu_add_del_tunnel_t *mp; ip46_address_t src, dst; u8 is_add = 1; u8 ipv4_set = 0, ipv6_set = 0; u8 src_set = 0; u8 dst_set = 0; u8 grp_set = 0; u32 mcast_sw_if_index = ~0; u32 encap_vrf_id = 0; u32 decap_next_index = ~0; u32 teid = 0; int ret; /* Can't "universally zero init" (={0}) due to GCC bug 53119 */ clib_memset (&src, 0, sizeof src); clib_memset (&dst, 0, sizeof dst); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "del")) is_add = 0; else if (unformat (line_input, "src %U", unformat_ip4_address, &src.ip4)) { ipv4_set = 1; src_set = 1; } else if (unformat (line_input, "dst %U", unformat_ip4_address, &dst.ip4)) { ipv4_set = 1; dst_set = 1; } else if (unformat (line_input, "src %U", unformat_ip6_address, &src.ip6)) { ipv6_set = 1; src_set = 1; } else if (unformat (line_input, "dst %U", unformat_ip6_address, &dst.ip6)) { ipv6_set = 1; dst_set = 1; } else if (unformat (line_input, "group %U %U", unformat_ip4_address, &dst.ip4, api_unformat_sw_if_index, vam, &mcast_sw_if_index)) { grp_set = dst_set = 1; ipv4_set = 1; } else if (unformat (line_input, "group %U", unformat_ip4_address, &dst.ip4)) { grp_set = dst_set = 1; ipv4_set = 1; } else if (unformat (line_input, "group %U %U", unformat_ip6_address, &dst.ip6, api_unformat_sw_if_index, vam, &mcast_sw_if_index)) { grp_set = dst_set = 1; ipv6_set = 1; } else if (unformat (line_input, "group %U", unformat_ip6_address, &dst.ip6)) { grp_set = dst_set = 1; ipv6_set = 1; } else if (unformat (line_input, "mcast_sw_if_index %u", &mcast_sw_if_index)) ; else if (unformat (line_input, "encap-vrf-id %d", &encap_vrf_id)) ; else if (unformat (line_input, "decap-next %U", unformat_gtpu_decap_next, &decap_next_index)) ; else if (unformat (line_input, "teid %d", &teid)) ; else { errmsg ("parse error '%U'", format_unformat_error, line_input); return -99; } } if (src_set == 0) { errmsg ("tunnel src address not specified"); return -99; } if (dst_set == 0) { errmsg ("tunnel dst address not specified"); return -99; } if (grp_set && !ip46_address_is_multicast (&dst)) { errmsg ("tunnel group address not multicast"); return -99; } if (grp_set && mcast_sw_if_index == ~0) { errmsg ("tunnel nonexistent multicast device"); return -99; } if (grp_set == 0 && ip46_address_is_multicast (&dst)) { errmsg ("tunnel dst address must be unicast"); return -99; } if (ipv4_set && ipv6_set) { errmsg ("both IPv4 and IPv6 addresses specified"); return -99; } M (GTPU_ADD_DEL_TUNNEL, mp); if (ipv6_set) { clib_memcpy (mp->src_address, &src.ip6, sizeof (src.ip6)); clib_memcpy (mp->dst_address, &dst.ip6, sizeof (dst.ip6)); } else { clib_memcpy (mp->src_address, &src.ip4, sizeof (src.ip4)); clib_memcpy (mp->dst_address, &dst.ip4, sizeof (dst.ip4)); } mp->encap_vrf_id = ntohl (encap_vrf_id); mp->decap_next_index = ntohl (decap_next_index); mp->mcast_sw_if_index = ntohl (mcast_sw_if_index); mp->teid = ntohl (teid); mp->is_add = is_add; mp->is_ipv6 = ipv6_set; S (mp); W (ret); return ret; } static void vl_api_gtpu_tunnel_details_t_handler (vl_api_gtpu_tunnel_details_t * mp) { vat_main_t *vam = &vat_main; ip46_address_t src = to_ip46 (mp->is_ipv6, mp->dst_address); ip46_address_t dst = to_ip46 (mp->is_ipv6, mp->src_address); print (vam->ofp, "%11d%24U%24U%14d%18d%13d%19d", ntohl (mp->sw_if_index), format_ip46_address, &src, IP46_TYPE_ANY, format_ip46_address, &dst, IP46_TYPE_ANY, ntohl (mp->encap_vrf_id), ntohl (mp->decap_next_index), ntohl (mp->teid), ntohl (mp->mcast_sw_if_index)); } static int api_gtpu_tunnel_dump (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_gtpu_tunnel_dump_t *mp; u32 sw_if_index; u8 sw_if_index_set = 0; int ret; /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "sw_if_index %d", &sw_if_index)) sw_if_index_set = 1; else break; } if (sw_if_index_set == 0) { sw_if_index = ~0; } if (!vam->json_output) { print (vam->ofp, "%11s%24s%24s%14s%18s%13s%19s", "sw_if_index", "src_address", "dst_address", "encap_vrf_id", "decap_next_index", "teid", "mcast_sw_if_index"); } /* Get list of gtpu-tunnel interfaces */ M (GTPU_TUNNEL_DUMP, mp); mp->sw_if_index = htonl (sw_if_index); S (mp); W (ret); return ret; } /* * List of messages that the api test plugin sends, * and that the data plane plugin processes */ #define foreach_vpe_api_msg \ _(sw_interface_set_gtpu_bypass, \ "<intfc> | sw_if_index <id> [ip4 | ip6] [enable | disable]") \ _(gtpu_add_del_tunnel, \ "src <ip-addr> { dst <ip-addr> | group <mcast-ip-addr>\n" \ "{ <intfc> | mcast_sw_if_index <nn> } }\n" \ "teid <teid> [encap-vrf-id <nn>] [decap-next <l2|nn>] [del]") \ _(gtpu_tunnel_dump, "[<intfc> | sw_if_index <nn>]") \ static void gtpu_vat_api_hookup (vat_main_t *vam) { gtpu_test_main_t * gtm = >pu_test_main; /* Hook up handlers for replies from the data plane plug-in */ #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + gtm->msg_id_base), \ #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_vpe_api_reply_msg; #undef _ /* API messages we can send */ #define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n); foreach_vpe_api_msg; #undef _ /* Help strings */ #define _(n,h) hash_set_mem (vam->help_by_name, #n, h); foreach_vpe_api_msg; #undef _ } clib_error_t * vat_plugin_register (vat_main_t *vam) { gtpu_test_main_t * gtm = >pu_test_main; u8 * name; gtm->vat_main = vam; /* Ask the vpp engine for the first assigned message-id */ name = format (0, "gtpu_%08x%c", api_version, 0); gtm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); if (gtm->msg_id_base != (u16) ~0) gtpu_vat_api_hookup (vam); vec_free(name); return 0; }