/* SPDX-License-Identifier: Apache-2.0 * Copyright (c) 2023 Cisco Systems, Inc. */ #include <vnet/vnet.h> #include <vnet/dev/dev.h> #include <vnet/dev/api.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> /* define message IDs */ #include <dev/dev.api_enum.h> #include <dev/dev.api_types.h> static u16 vnet_dev_api_msg_id_base; #define REPLY_MSG_ID_BASE (vnet_dev_api_msg_id_base) #include <vlibapi/api_helper_macros.h> #define _(b, n, d) \ STATIC_ASSERT ((int) VL_API_DEV_FLAG_##n == (int) VNET_DEV_F_##n, ""); foreach_vnet_dev_flag; #undef _ #define _(b, n, d) \ STATIC_ASSERT ((int) VL_API_DEV_PORT_FLAG_##n == (int) VNET_DEV_PORT_F_##n, \ ""); foreach_vnet_dev_port_flag; #undef _ static void vl_api_dev_attach_t_handler (vl_api_dev_attach_t *mp) { vlib_main_t *vm = vlib_get_main (); vl_api_dev_attach_reply_t *rmp; vnet_dev_api_attach_args_t a = {}; vnet_dev_rv_t rv; u8 *error_string = 0; STATIC_ASSERT (sizeof (mp->device_id) == sizeof (a.device_id), ""); STATIC_ASSERT (sizeof (mp->driver_name) == sizeof (a.driver_name), ""); STATIC_ASSERT (sizeof (mp->flags) == sizeof (a.flags), ""); a.flags.n = mp->flags; strncpy (a.device_id, (char *) mp->device_id, sizeof (a.device_id)); strncpy (a.driver_name, (char *) mp->driver_name, sizeof (a.driver_name)); vec_add (a.args, mp->args.buf, mp->args.length); rv = vnet_dev_api_attach (vm, &a); if (rv != VNET_DEV_OK) error_string = format (0, "%U", format_vnet_dev_rv, rv); vec_free (a.args); REPLY_MACRO3_END (VL_API_DEV_ATTACH_REPLY, vec_len (error_string), ({ rmp->retval = rv; if (error_string) { rmp->dev_index = ~0; vl_api_vec_to_api_string (error_string, &rmp->error_string); } else rmp->dev_index = a.dev_index; })); vec_free (a.args); vec_free (error_string); } static void vl_api_dev_detach_t_handler (vl_api_dev_detach_t *mp) { vlib_main_t *vm = vlib_get_main (); vl_api_dev_detach_reply_t *rmp; vnet_dev_api_detach_args_t a = {}; vnet_dev_rv_t rv; u8 *error_string = 0; a.dev_index = mp->dev_index; rv = vnet_dev_api_detach (vm, &a); if (rv != VNET_DEV_OK) error_string = format (0, "%U", format_vnet_dev_rv, rv); REPLY_MACRO3_END (VL_API_DEV_DETACH_REPLY, vec_len (error_string), ({ rmp->retval = rv; if (error_string) vl_api_vec_to_api_string (error_string, &rmp->error_string); })); vec_free (error_string); } static void vl_api_dev_create_port_if_t_handler (vl_api_dev_create_port_if_t *mp) { vlib_main_t *vm = vlib_get_main (); vl_api_dev_create_port_if_reply_t *rmp; vnet_dev_api_create_port_if_args_t a = {}; vnet_dev_rv_t rv; u8 *error_string = 0; STATIC_ASSERT (sizeof (mp->intf_name) == sizeof (a.intf_name), ""); STATIC_ASSERT (sizeof (mp->flags) == sizeof (a.flags), ""); a.flags.n = mp->flags; #define _(n) a.n = mp->n; _ (dev_index) _ (port_id) _ (num_rx_queues) _ (num_tx_queues) _ (rx_queue_size) _ (tx_queue_size) #undef _ strncpy (a.intf_name, (char *) mp->intf_name, sizeof (a.intf_name)); vec_add (a.args, mp->args.buf, mp->args.length); rv = vnet_dev_api_create_port_if (vm, &a); if (rv != VNET_DEV_OK) error_string = format (0, "%U", format_vnet_dev_rv, rv); vec_free (a.args); REPLY_MACRO3_END (VL_API_DEV_CREATE_PORT_IF_REPLY, vec_len (error_string), ({ rmp->retval = rv; if (error_string) { rmp->sw_if_index = ~0; vl_api_vec_to_api_string (error_string, &rmp->error_string); } else rmp->sw_if_index = a.sw_if_index; })); vec_free (a.args); vec_free (error_string); } static void vl_api_dev_remove_port_if_t_handler (vl_api_dev_remove_port_if_t *mp) { vlib_main_t *vm = vlib_get_main (); vl_api_dev_remove_port_if_reply_t *rmp; vnet_dev_api_remove_port_if_args_t a = {}; vnet_dev_rv_t rv; u8 *error_string = 0; a.sw_if_index = mp->sw_if_index; rv = vnet_dev_api_remove_port_if (vm, &a); if (rv != VNET_DEV_OK) error_string = format (0, "%U", format_vnet_dev_rv, rv); REPLY_MACRO3_END (VL_API_DEV_REMOVE_PORT_IF_REPLY, vec_len (error_string), ({ rmp->retval = rv; if (error_string) vl_api_vec_to_api_string (error_string, &rmp->error_string); })); vec_free (error_string); } /* set tup the API message handling tables */ #include <dev/dev.api.c> static clib_error_t * vnet_dev_api_hookup (vlib_main_t *vm) { api_main_t *am = vlibapi_get_main (); /* ask for a correctly-sized block of API message decode slots */ vnet_dev_api_msg_id_base = setup_message_id_table (); foreach_int (i, VL_API_DEV_ATTACH, VL_API_DEV_DETACH, VL_API_DEV_CREATE_PORT_IF, VL_API_DEV_REMOVE_PORT_IF) vl_api_set_msg_thread_safe (am, vnet_dev_api_msg_id_base + i, 1); return 0; } VLIB_API_INIT_FUNCTION (vnet_dev_api_hookup);