diff options
Diffstat (limited to 'src/plugins/lldp/lldp_api.c')
-rw-r--r-- | src/plugins/lldp/lldp_api.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/plugins/lldp/lldp_api.c b/src/plugins/lldp/lldp_api.c new file mode 100644 index 00000000000..69eab6949c4 --- /dev/null +++ b/src/plugins/lldp/lldp_api.c @@ -0,0 +1,159 @@ +/* + *------------------------------------------------------------------ + * lldp_api.c - lldp api + * + * Copyright (c) 2017 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/interface.h> +#include <vnet/api_errno.h> +#include <lldp/lldp.h> + +#include <vnet/ip/ip4_packet.h> +#include <vnet/ip/ip6_packet.h> +#include <vnet/ip/ip_types_api.h> + +/* define message IDs */ +#include <vnet/format_fns.h> +#include <lldp/lldp.api_enum.h> +#include <lldp/lldp.api_types.h> + +/** + * Base message ID fot the plugin + */ +static u32 lldp_base_msg_id; +#define REPLY_MSG_ID_BASE lldp_base_msg_id + +#include <vlibapi/api_helper_macros.h> + +static void +vl_api_lldp_config_t_handler (vl_api_lldp_config_t * mp) +{ + vl_api_lldp_config_reply_t *rmp; + int rv = 0; + u8 *sys_name = 0; + + sys_name = vl_api_from_api_to_new_vec (mp, &mp->system_name); + + if (lldp_cfg_set (&sys_name, ntohl (mp->tx_hold), ntohl (mp->tx_interval)) + != lldp_ok) + { + vec_free (sys_name); + rv = VNET_API_ERROR_INVALID_VALUE; + } + + REPLY_MACRO (VL_API_LLDP_CONFIG_REPLY); +} + +static void +vl_api_sw_interface_set_lldp_t_handler (vl_api_sw_interface_set_lldp_t * mp) +{ + vl_api_sw_interface_set_lldp_reply_t *rmp; + int rv = 0; + u8 *mgmt_oid = 0, *mgmt_ip4 = 0, *mgmt_ip6 = 0; + char *port_desc = 0; + u8 no_data[128] = { 0 }; + ip4_address_t ip4; + ip6_address_t ip6; + + if (vl_api_string_len (&mp->port_desc) > 0) + { + port_desc = vl_api_from_api_to_new_c_string (&mp->port_desc); + } + + ip4_address_decode (mp->mgmt_ip4, &ip4); + + if (ip4.as_u32 != 0) + { + vec_validate (mgmt_ip4, sizeof (ip4_address_t) - 1); + clib_memcpy (mgmt_ip4, &ip4, vec_len (mgmt_ip4)); + } + + ip6_address_decode (mp->mgmt_ip6, &ip6); + + if (!ip6_address_is_zero (&ip6)) + { + vec_validate (mgmt_ip6, sizeof (ip6_address_t) - 1); + clib_memcpy (mgmt_ip6, &ip6, vec_len (mgmt_ip6)); + } + + if (memcmp (mp->mgmt_oid, no_data, strlen ((char *) mp->mgmt_oid)) != 0) + { + vec_validate (mgmt_oid, strlen ((char *) mp->mgmt_oid) - 1); + strncpy ((char *) mgmt_oid, (char *) mp->mgmt_oid, vec_len (mgmt_oid)); + } + + VALIDATE_SW_IF_INDEX (mp); + + if (lldp_cfg_intf_set (ntohl (mp->sw_if_index), (u8 **) & port_desc, + &mgmt_ip4, &mgmt_ip6, &mgmt_oid, + mp->enable) != lldp_ok) + { + vec_free (port_desc); + vec_free (mgmt_ip4); + vec_free (mgmt_ip6); + vec_free (mgmt_oid); + rv = VNET_API_ERROR_INVALID_VALUE; + } + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_SW_INTERFACE_SET_LLDP_REPLY); +} + + +/* + * * lldp_api_hookup + * * Add vpe's API message handlers to the table. + * * vlib has already mapped shared memory and + * * added the client registration handlers. + * * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() + * */ +#include <lldp/lldp.api.c> + +static clib_error_t * +lldp_api_hookup (vlib_main_t * vm) +{ + /* + * Set up the (msg_name, crc, message-id) table + */ + lldp_base_msg_id = setup_message_id_table (); + + return 0; +} + +VLIB_API_INIT_FUNCTION (lldp_api_hookup); + +#include <vlib/unix/plugin.h> +#include <vpp/app/version.h> + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = { + .version = VPP_BUILD_VER, + .description = "Link Layer Discovery Protocol (LLDP)", +}; +/* *INDENT-ON* */ + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |