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/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2023 Cisco Systems, Inc.
*/
#include <vnet/vnet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/dev/dev.h>
#include <vnet/dev/counters.h>
#include <vnet/dev/log.h>
#include <vnet/flow/flow.h>
VLIB_REGISTER_LOG_CLASS (dev_log, static) = {
.class_name = "dev",
.subclass_name = "handler",
};
clib_error_t *
vnet_dev_port_set_max_frame_size (vnet_main_t *vnm, vnet_hw_interface_t *hw,
u32 frame_size)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hw->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_MAX_FRAME_SIZE,
.max_frame_size = frame_size,
};
log_debug (p->dev, "size %u", frame_size);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"new max frame size is not valid for port");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"device failed to change max frame size");
return 0;
}
u32
vnet_dev_port_eth_flag_change (vnet_main_t *vnm, vnet_hw_interface_t *hw,
u32 flags)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hw->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_PROMISC_MODE,
};
switch (flags)
{
case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
log_debug (p->dev, "promisc off");
break;
case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
log_debug (p->dev, "promisc on");
req.promisc = 1;
break;
default:
return ~0;
}
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return ~0;
rv = vnet_dev_process_port_cfg_change_req (vm, p, &req);
if (rv == VNET_DEV_OK || rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
return ~0;
}
clib_error_t *
vnet_dev_port_mac_change (vnet_hw_interface_t *hi, const u8 *old,
const u8 *new)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR,
};
vnet_dev_set_hw_addr_eth_mac (&req.addr, new);
log_debug (p->dev, "new mac %U", format_vnet_dev_hw_addr, &req.addr);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv, "hw address is not valid for port");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv, "device failed to change hw address");
return 0;
}
clib_error_t *
vnet_dev_add_del_mac_address (vnet_hw_interface_t *hi, const u8 *address,
u8 is_add)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = is_add ? VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR :
VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR,
};
vnet_dev_set_hw_addr_eth_mac (&req.addr, address);
log_debug (p->dev, "received (addr %U is_add %u", format_vnet_dev_hw_addr,
&req.addr, is_add);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"provided secondary hw addresses cannot "
"be added/removed");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (
vm, p, rv, "device failed to add/remove secondary hw address");
return 0;
}
int
vnet_dev_flow_ops_fn (vnet_main_t *vnm, vnet_flow_dev_op_t op,
u32 dev_instance, u32 flow_index, uword *private_data)
{
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (dev_instance);
log_warn (p->dev, "unsupported request for flow_ops received");
return VNET_FLOW_ERROR_NOT_SUPPORTED;
}
clib_error_t *
vnet_dev_interface_set_rss_queues (vnet_main_t *vnm, vnet_hw_interface_t *hi,
clib_bitmap_t *bitmap)
{
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
log_warn (p->dev, "unsupported request for flow_ops received");
return vnet_error (VNET_ERR_UNSUPPORTED, "not implemented");
}
void
vnet_dev_clear_hw_interface_counters (u32 instance)
{
vnet_dev_port_t *port = vnet_dev_get_port_from_dev_instance (instance);
vlib_main_t *vm = vlib_get_main ();
vnet_dev_process_call_port_op_no_rv (vm, port, vnet_dev_port_clear_counters);
}
clib_error_t *
vnet_dev_rx_mode_change_fn (vnet_main_t *vnm, u32 hw_if_index, u32 qid,
vnet_hw_if_rx_mode mode)
{
vlib_main_t *vm = vlib_get_main ();
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vnet_dev_port_t *port =
vnet_dev_get_port_from_dev_instance (hw->dev_instance);
vnet_dev_rv_t rv;
if (!port)
return clib_error_return (0, "not for us");
if (qid >= (vnet_dev_queue_id_t) ~0)
return clib_error_return (0, "not supported");
vnet_dev_port_cfg_change_req_t req = {
.type = mode == VNET_HW_IF_RX_MODE_POLLING ?
VNET_DEV_PORT_CFG_RXQ_INTR_MODE_DISABLE :
VNET_DEV_PORT_CFG_RXQ_INTR_MODE_ENABLE,
.queue_id = qid,
};
if ((rv = vnet_dev_port_cfg_change_req_validate (vm, port, &req)))
return vnet_dev_port_err (
vm, port, rv, "rx queue interupt mode enable/disable not supported");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, port, &req)))
return vnet_dev_port_err (
vm, port, rv, "device failed to enable/disable queue interrupt mode");
return 0;
}
void
vnet_dev_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index,
u32 node_index)
{
vlib_main_t *vm = vlib_get_main ();
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vnet_dev_port_t *port =
vnet_dev_get_port_from_dev_instance (hw->dev_instance);
int runtime_update = 0;
if (node_index == ~0)
{
port->intf.redirect_to_node_next_index = 0;
if (port->intf.feature_arc == 0)
{
port->intf.rx_next_index =
vnet_dev_default_next_index_by_port_type[port->attr.type];
runtime_update = 1;
}
port->intf.redirect_to_node = 0;
}
else
{
u16 next_index = vlib_node_add_next (vlib_get_main (),
port_rx_eth_node.index, node_index);
port->intf.redirect_to_node_next_index = next_index;
if (port->intf.feature_arc == 0)
{
port->intf.rx_next_index = next_index;
runtime_update = 1;
}
port->intf.redirect_to_node = 1;
}
port->intf.rx_next_index =
node_index == ~0 ?
vnet_dev_default_next_index_by_port_type[port->attr.type] :
node_index;
if (runtime_update)
{
foreach_vnet_dev_port_rx_queue (rxq, port)
vnet_dev_rx_queue_rt_request (
vm, rxq, (vnet_dev_rx_queue_rt_req_t){ .update_next_index = 1 });
log_debug (port->dev, "runtime update requested due to chgange in "
"reditect-to-next configuration");
}
}
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