diff options
Diffstat (limited to 'src/vnet/srmpls/sr_mpls_api.c')
| -rw-r--r-- | src/vnet/srmpls/sr_mpls_api.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/src/vnet/srmpls/sr_mpls_api.c b/src/vnet/srmpls/sr_mpls_api.c new file mode 100644 index 00000000000..a6294e391b6 --- /dev/null +++ b/src/vnet/srmpls/sr_mpls_api.c @@ -0,0 +1,228 @@ +/* + * ------------------------------------------------------------------ + * 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/srmpls/sr_mpls.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_MPLS_POLICY_DEL, sr_mpls_policy_del) \ +_(SR_MPLS_STEERING_ADD_DEL, sr_mpls_steering_add_del) \ +_(SR_MPLS_POLICY_ASSIGN_ENDPOINT_COLOR, sr_mpls_policy_assign_endpoint_color) + + +static void +vl_api_sr_mpls_policy_add_t_handler (vl_api_sr_mpls_policy_add_t * mp) +{ + vl_api_sr_mpls_policy_add_reply_t *rmp; + + mpls_label_t *segments = 0, *seg; + mpls_label_t this_address = 0; + + int i; + for (i = 0; i < mp->n_segments; i++) + { + vec_add2 (segments, seg, 1); + this_address = ntohl (mp->segments[i]); + clib_memcpy (seg, &this_address, sizeof (this_address)); + } + + int rv = 0; + rv = sr_mpls_policy_add (ntohl (mp->bsid), + segments, mp->type, ntohl (mp->weight)); + + REPLY_MACRO (VL_API_SR_MPLS_POLICY_ADD_REPLY); +} + +static void +vl_api_sr_mpls_policy_mod_t_handler (vl_api_sr_mpls_policy_mod_t * mp) +{ + vl_api_sr_mpls_policy_mod_reply_t *rmp; + + mpls_label_t *segments = 0, *seg; + mpls_label_t this_address = 0; + + int i; + for (i = 0; i < mp->n_segments; i++) + { + vec_add2 (segments, seg, 1); + this_address = ntohl (mp->segments[i]); + clib_memcpy (seg, &this_address, sizeof (this_address)); + } + + int rv = 0; + rv = sr_mpls_policy_mod (ntohl (mp->bsid), + mp->operation, segments, ntohl (mp->sl_index), + ntohl (mp->weight)); + + REPLY_MACRO (VL_API_SR_MPLS_POLICY_MOD_REPLY); +} + +static void +vl_api_sr_mpls_policy_del_t_handler (vl_api_sr_mpls_policy_del_t * mp) +{ + vl_api_sr_mpls_policy_del_reply_t *rmp; + int rv = 0; + rv = sr_mpls_policy_del (ntohl (mp->bsid)); + + REPLY_MACRO (VL_API_SR_MPLS_POLICY_DEL_REPLY); +} + +static void vl_api_sr_mpls_steering_add_del_t_handler + (vl_api_sr_mpls_steering_add_del_t * mp) +{ + vl_api_sr_mpls_steering_add_del_reply_t *rmp; + ip46_address_t prefix; + memset (&prefix, 0, sizeof (ip46_address_t)); + if (mp->traffic_type == SR_STEER_IPV4) + memcpy (&prefix.ip4, mp->prefix_addr, sizeof (prefix.ip4)); + else + memcpy (&prefix, mp->prefix_addr, sizeof (prefix.ip6)); + + int rv = 0; + if (mp->is_del) + rv = sr_mpls_steering_policy_del (&prefix, + ntohl (mp->mask_width), + mp->traffic_type, + ntohl (mp->table_id), + ntohl (mp->color)); + else + rv = sr_mpls_steering_policy_add (ntohl (mp->bsid), + ntohl (mp->table_id), + &prefix, + ntohl (mp->mask_width), + mp->traffic_type, + (ip46_address_t *) & mp->next_hop, + mp->nh_type, + ntohl (mp->color), mp->co_bits, + ntohl (mp->vpn_label)); + + REPLY_MACRO (VL_API_SR_MPLS_STEERING_ADD_DEL_REPLY); +} + +static void vl_api_sr_mpls_policy_assign_endpoint_color_t_handler + (vl_api_sr_mpls_policy_assign_endpoint_color_t * mp) +{ + vl_api_sr_mpls_policy_assign_endpoint_color_reply_t *rmp; + int rv = 0; + + ip46_address_t endpoint; + memset (&endpoint, 0, sizeof (ip46_address_t)); + if (mp->endpoint_type == SR_STEER_IPV4) + memcpy (&endpoint.ip4, mp->endpoint, sizeof (endpoint.ip4)); + else + memcpy (&endpoint, mp->endpoint, sizeof (endpoint.ip6)); + + rv = sr_mpls_policy_assign_endpoint_color (ntohl (mp->bsid), + &endpoint, mp->endpoint_type, + ntohl (mp->color)); + + REPLY_MACRO (VL_API_SR_MPLS_POLICY_ASSIGN_ENDPOINT_COLOR_REPLY); +} + +/* + * sr_mpls_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_mpls; +#undef _ +} + +static clib_error_t * +sr_mpls_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_MPLS_POLICY_ADD, + "sr_mpls_policy_add", + vl_api_sr_mpls_policy_add_t_handler, + vl_noop_handler, + vl_api_sr_mpls_policy_add_t_endian, + vl_api_sr_mpls_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_MPLS_POLICY_MOD, + "sr_mpls_policy_mod", + vl_api_sr_mpls_policy_mod_t_handler, + vl_noop_handler, + vl_api_sr_mpls_policy_mod_t_endian, + vl_api_sr_mpls_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_mpls_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ |