diff options
Diffstat (limited to 'src/plugins/lacp/lacp_api.c')
| -rw-r--r-- | src/plugins/lacp/lacp_api.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/plugins/lacp/lacp_api.c b/src/plugins/lacp/lacp_api.c new file mode 100644 index 00000000000..129c3605527 --- /dev/null +++ b/src/plugins/lacp/lacp_api.c @@ -0,0 +1,217 @@ +/* + *------------------------------------------------------------------ + * lacp_api.c - lacp 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 <vlib/vlib.h> +#include <vnet/ethernet/ethernet.h> +#include <vlib/unix/unix.h> +#include <lacp/node.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> + + +/* define message IDs */ +#include <lacp/lacp_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <lacp/lacp_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <lacp/lacp_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 <lacp/lacp_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <lacp/lacp_all_api_h.h> +#undef vl_api_version + +/* + * A handy macro to set up a message reply. + * Assumes that the following variables are available: + * mp - pointer to request message + * rmp - pointer to reply message type + * rv - return value + */ +#define REPLY_MACRO(t) \ +do { \ + svm_queue_t * q = \ + vl_api_client_index_to_input_queue (mp->client_index); \ + if (!q) \ + return; \ + \ + rmp = vl_msg_api_alloc (sizeof (*rmp)); \ + rmp->_vl_msg_id = htons ((t)+lm->msg_id_base); \ + rmp->context = mp->context; \ + rmp->retval = htonl (rv); \ + \ + vl_msg_api_send_shmem (q, (u8 *)&rmp); \ +} while(0); + +#define REPLY_MACRO2(t, body) \ +do { \ + svm_queue_t * q = \ + vl_api_client_index_to_input_queue (mp->client_index); \ + if (!q) \ + return; \ + \ + rmp = vl_msg_api_alloc (sizeof (*rmp)); \ + rmp->_vl_msg_id = htons ((t)+lm->msg_id_base); \ + rmp->context = mp->context; \ + rmp->retval = htonl (rv); \ + do {body;} while (0); \ + vl_msg_api_send_shmem (q, (u8 *)&rmp); \ +} while(0); + +#define foreach_lacp_plugin_api_msg \ +_(SW_INTERFACE_LACP_DUMP, sw_interface_lacp_dump) + +static void +lacp_send_sw_interface_details (vl_api_registration_t * reg, + lacp_interface_details_t * lacp_if, + u32 context) +{ + lacp_main_t *lm = &lacp_main; + vl_api_sw_interface_lacp_details_t *mp; + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_LACP_DETAILS + lm->msg_id_base); + mp->sw_if_index = htonl (lacp_if->sw_if_index); + + /* These fields in network order already */ + mp->actor_system_priority = lacp_if->actor_system_priority; + mp->actor_key = lacp_if->actor_key; + mp->actor_port_priority = lacp_if->actor_port_priority; + mp->actor_port_number = lacp_if->actor_port_number; + mp->actor_state = lacp_if->actor_state; + clib_memcpy (mp->actor_system, lacp_if->actor_system, 6); + mp->partner_system_priority = lacp_if->partner_system_priority; + mp->partner_key = lacp_if->partner_key; + mp->partner_port_priority = lacp_if->partner_port_priority; + mp->partner_port_number = lacp_if->partner_port_number; + mp->partner_state = lacp_if->partner_state; + + clib_memcpy (mp->partner_system, lacp_if->partner_system, 6); + clib_memcpy (mp->interface_name, lacp_if->interface_name, + MIN (ARRAY_LEN (mp->interface_name) - 1, + strlen ((const char *) lacp_if->interface_name))); + clib_memcpy (mp->bond_interface_name, lacp_if->bond_interface_name, + MIN (ARRAY_LEN (mp->bond_interface_name) - 1, + strlen ((const char *) lacp_if->bond_interface_name))); + mp->rx_state = htonl (lacp_if->rx_state); + mp->tx_state = htonl (lacp_if->tx_state); + mp->mux_state = htonl (lacp_if->mux_state); + mp->ptx_state = htonl (lacp_if->ptx_state); + + mp->context = context; + vl_api_send_msg (reg, (u8 *) mp); +} + +/** + * @brief Message handler for lacp_dump API. + * @param mp vl_api_lacp_dump_t * mp the api message + */ +void +vl_api_sw_interface_lacp_dump_t_handler (vl_api_sw_interface_lacp_dump_t * mp) +{ + int rv; + vl_api_registration_t *reg; + lacp_interface_details_t *lacpifs = NULL; + lacp_interface_details_t *lacp_if = NULL; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + rv = lacp_dump_ifs (&lacpifs); + if (rv) + return; + + vec_foreach (lacp_if, lacpifs) + { + lacp_send_sw_interface_details (reg, lacp_if, mp->context); + } + + vec_free (lacpifs); +} + +#define vl_msg_name_crc_list +#include <lacp/lacp_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (lacp_main_t * lm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + lm->msg_id_base); + foreach_vl_msg_name_crc_lacp; +#undef _ +} + +/* Set up the API message handling tables */ +clib_error_t * +lacp_plugin_api_hookup (vlib_main_t * vm) +{ + lacp_main_t *lm = &lacp_main; + api_main_t *am = &api_main; + u8 *name; + + /* Construct the API name */ + name = format (0, "lacp_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + lm->msg_id_base = vl_msg_api_get_msg_ids + ((char *) name, VL_MSG_FIRST_AVAILABLE); + +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + lm->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_lacp_plugin_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (lm, am); + + vec_free (name); + return 0; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |