1 /* SPDX-License-Identifier: Apache-2.0
2 * Copyright (c) 2023 Cisco Systems, Inc.
6 #include <vnet/dev/dev.h>
7 #include <vnet/dev/pci.h>
8 #include <dev_ena/ena.h>
9 #include <dev_ena/ena_inlines.h>
10 #include <vnet/ethernet/ethernet.h>
11 #include <vnet/plugin/plugin.h>
12 #include <vpp/app/version.h>
14 VLIB_REGISTER_LOG_CLASS (ena_log, static) = {
16 .subclass_name = "port",
20 ena_port_init (vlib_main_t *vm, vnet_dev_port_t *port)
22 vnet_dev_t *dev = port->dev;
24 log_debug (dev, "port %u", port->port_id);
30 ena_port_start (vlib_main_t *vm, vnet_dev_port_t *port)
32 vnet_dev_t *dev = port->dev;
35 log_debug (dev, "port start: port %u", port->port_id);
37 if (ena_aq_feature_is_supported (dev, ENA_ADMIN_FEAT_ID_MTU))
39 ena_aq_feat_mtu_t mtu = { .mtu = port->max_rx_frame_size };
41 if ((rv = ena_aq_set_feature (vm, dev, ENA_ADMIN_FEAT_ID_MTU, &mtu)))
45 if ((rv = vnet_dev_port_start_all_rx_queues (vm, port)))
48 if ((rv = vnet_dev_port_start_all_tx_queues (vm, port)))
55 ena_port_stop (vlib_main_t *vm, vnet_dev_port_t *port)
57 log_debug (port->dev, "port stop: port %u", port->port_id);
61 ena_port_cfg_change_validate (vlib_main_t *vm, vnet_dev_port_t *port,
62 vnet_dev_port_cfg_change_req_t *req)
64 vnet_dev_rv_t rv = VNET_DEV_OK;
68 case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE:
70 rv = VNET_DEV_ERR_PORT_STARTED;
74 rv = VNET_DEV_ERR_NOT_SUPPORTED;
81 ena_port_cfg_change (vlib_main_t *vm, vnet_dev_port_t *port,
82 vnet_dev_port_cfg_change_req_t *req)
84 vnet_dev_rv_t rv = VNET_DEV_OK;
88 case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE:
92 return VNET_DEV_ERR_NOT_SUPPORTED;