linux/drivers/net/dsa/dsa_loop_bdinfo.c
Florian Fainelli 98cd1552ea net: dsa: Mock-up driver
This patch adds support for a DSA mock-up driver which essentially does
the following:

- registers/unregisters 4 fixed PHYs to the slave network devices
- uses eth0 (configurable) as the master netdev
- registers the switch as a fixed MDIO device against the fixed MDIO bus
  at address 31
- includes dynamic debug prints for dsa_switch_ops functions that can be
  enabled to get call traces

This is a good way to test modular builds as well as exercise the DSA
APIs without requiring access to real hardware. This does not test the
data-path, although this could be added later on.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-01 12:39:32 -07:00

35 lines
715 B
C

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/phy.h>
#include <net/dsa.h>
#include "dsa_loop.h"
static struct dsa_loop_pdata dsa_loop_pdata = {
.cd = {
.port_names[0] = "lan1",
.port_names[1] = "lan2",
.port_names[2] = "lan3",
.port_names[3] = "lan4",
.port_names[DSA_LOOP_CPU_PORT] = "cpu",
},
.name = "DSA mockup driver",
.enabled_ports = 0x1f,
.netdev = "eth0",
};
static const struct mdio_board_info bdinfo = {
.bus_id = "fixed-0",
.modalias = "dsa-loop",
.mdio_addr = 31,
.platform_data = &dsa_loop_pdata,
};
static int __init dsa_loop_bdinfo_init(void)
{
return mdiobus_register_board_info(&bdinfo, 1);
}
arch_initcall(dsa_loop_bdinfo_init)
MODULE_LICENSE("GPL");