/* *------------------------------------------------------------------ * sr_api.c - ipv6 segment routing 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 <vnet/srv6/sr.h> #include <vlibmemory/api.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/feature/feature.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_vpe_api_msg \ _(SR_LOCALSID_ADD_DEL, sr_localsid_add_del) \ _(SR_POLICY_DEL, sr_policy_del) \ _(SR_STEERING_ADD_DEL, sr_steering_add_del) \ _(SR_SET_ENCAP_SOURCE, sr_set_encap_source) \ _(SR_LOCALSIDS_DUMP, sr_localsids_dump) //_(SR_LOCALSID_BEHAVIORS, sr_localsid_behaviors_dump) static void vl_api_sr_localsid_add_del_t_handler (vl_api_sr_localsid_add_del_t * mp) { vl_api_sr_localsid_add_del_reply_t *rmp; int rv = 0; /* * int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr, * char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table, * ip46_address_t *nh_addr, void *ls_plugin_mem) */ VALIDATE_SW_IF_INDEX (mp); rv = sr_cli_localsid (mp->is_del, (ip6_address_t *) & mp->localsid_addr, mp->end_psp, mp->behavior, ntohl (mp->sw_if_index), ntohl (mp->vlan_index), ntohl (mp->fib_table), (ip46_address_t *) & mp->nh_addr, NULL); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY); } static void vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp) { vl_api_sr_policy_add_reply_t *rmp; ip6_address_t *segments = 0, *seg; ip6_address_t *this_address = (ip6_address_t *) mp->segments; int i; for (i = 0; i < mp->n_segments; i++) { vec_add2 (segments, seg, 1); clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address)); this_address++; } /* * sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments, * u32 weight, u8 behavior, u32 fib_table, u8 is_encap) */ int rv = 0; rv = sr_policy_add ((ip6_address_t *) & mp->bsid_addr, segments, ntohl (mp->weight), mp->type, ntohl (mp->fib_table), mp->is_encap); REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY); } static void vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp) { vl_api_sr_policy_mod_reply_t *rmp; ip6_address_t *segments = 0, *seg; ip6_address_t *this_address = (ip6_address_t *) mp->segments; int i; for (i = 0; i < mp->n_segments; i++) { vec_add2 (segments, seg, 1); clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address)); this_address++; } int rv = 0; /* * int * sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table, * u8 operation, ip6_address_t *segments, u32 sl_index, * u32 weight, u8 is_encap) */ rv = sr_policy_mod ((ip6_address_t *) & mp->bsid_addr, ntohl (mp->sr_policy_index), ntohl (mp->fib_table), mp->operation, segments, ntohl (mp->sl_index), ntohl (mp->weight)); REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY); } static void vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp) { vl_api_sr_policy_del_reply_t *rmp; int rv = 0; /* * int * sr_policy_del (ip6_address_t *bsid, u32 index) */ rv = sr_policy_del ((ip6_address_t *) & mp->bsid_addr, ntohl (mp->sr_policy_index)); REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY); } static void vl_api_sr_set_encap_source_t_handler (vl_api_sr_set_encap_source_t * mp) { vl_api_sr_set_encap_source_reply_t *rmp; int rv = 0; sr_set_source ((ip6_address_t *) & mp->encaps_source); REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY); } static void vl_api_sr_steering_add_del_t_handler (vl_api_sr_steering_add_del_t * mp) { vl_api_sr_steering_add_del_reply_t *rmp; int rv = 0; /* * int * sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index, * u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index, * u8 traffic_type) */ VALIDATE_SW_IF_INDEX (mp); rv = sr_steering_policy (mp->is_del, (ip6_address_t *) & mp->bsid_addr, ntohl (mp->sr_policy_index), ntohl (mp->table_id), (ip46_address_t *) & mp->prefix_addr, ntohl (mp->mask_width), ntohl (mp->sw_if_index), mp->traffic_type); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY); } static void send_sr_localsid_details (ip6_sr_localsid_t * t, svm_queue_t * q, u32 context) { vl_api_sr_localsids_details_t *rmp; rmp = vl_msg_api_alloc (sizeof (*rmp)); memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_SR_LOCALSIDS_DETAILS); memcpy (rmp->address, &t->localsid, sizeof (ip6_address_t)); rmp->end_psp = t->end_psp; rmp->behavior = htons (t->behavior); rmp->fib_table = htonl (t->fib_table); memcpy (rmp->xconnect_next_hop, &t->next_hop, sizeof (ip6_address_t)); rmp->xconnect_iface_or_vrf_table = htonl (t->sw_if_index); rmp->context = context; vl_msg_api_send_shmem (q, (u8 *) & rmp); } static void vl_api_sr_localsids_dump_t_handler (vl_api_sr_localsids_dump_t * mp) { svm_queue_t *q; ip6_sr_main_t *sm = &sr_main; ip6_sr_localsid_t *t; q = vl_api_client_index_to_input_queue (mp->client_index); if (q == 0) { return; } /* *INDENT-OFF* */ pool_foreach (t, sm->localsids, ({ send_sr_localsid_details(t, q, mp->context); })); /* *INDENT-ON* */ } /* * sr_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() */ #define vl_msg_name_crc_list #include <vnet/vnet_all_api_h.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_sr; #undef _ } static clib_error_t * sr_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_vpe_api_msg; #undef _ /* * Manually register the sr policy add msg, so we trace * enough bytes to capture a typical segment list */ vl_msg_api_set_handlers (VL_API_SR_POLICY_ADD, "sr_policy_add", vl_api_sr_policy_add_t_handler, vl_noop_handler, vl_api_sr_policy_add_t_endian, vl_api_sr_policy_add_t_print, 256, 1); /* * Manually register the sr policy mod msg, so we trace * enough bytes to capture a typical segment list */ vl_msg_api_set_handlers (VL_API_SR_POLICY_MOD, "sr_policy_mod", vl_api_sr_policy_mod_t_handler, vl_noop_handler, vl_api_sr_policy_mod_t_endian, vl_api_sr_policy_mod_t_print, 256, 1); /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (sr_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */