1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2018 National Instruments 4 * Copyright (c) 2018 Joe Hershberger <joe.hershberger@ni.com> 5 */ 6 7 #include <common.h> 8 #include <asm/eth-raw-os.h> 9 #include <dm.h> 10 #include <errno.h> 11 #include <dm/device-internal.h> 12 #include <dm/lists.h> 13 14 static int eth_raw_bus_post_bind(struct udevice *dev) 15 { 16 struct sandbox_eth_raw_if_nameindex *ni, *i; 17 struct udevice *child; 18 struct eth_sandbox_raw_priv *priv; 19 char *ub_ifname; 20 static const char ub_ifname_pfx[] = "host_"; 21 u32 skip_localhost = 0; 22 23 ni = sandbox_eth_raw_if_nameindex(); 24 if (!ni) 25 return -EINVAL; 26 27 dev_read_u32(dev, "skip-localhost", &skip_localhost); 28 for (i = ni; !(i->if_index == 0 && !i->if_name); i++) { 29 int local = sandbox_eth_raw_os_is_local(i->if_name); 30 31 if (local < 0) 32 continue; 33 if (skip_localhost && local) 34 continue; 35 36 ub_ifname = calloc(IFNAMSIZ + sizeof(ub_ifname_pfx), 1); 37 strcpy(ub_ifname, ub_ifname_pfx); 38 strncat(ub_ifname, i->if_name, IFNAMSIZ); 39 device_bind_driver(dev, "eth_sandbox_raw", ub_ifname, &child); 40 41 device_set_name_alloced(child); 42 device_probe(child); 43 priv = dev_get_priv(child); 44 if (priv) { 45 strcpy(priv->host_ifname, i->if_name); 46 priv->host_ifindex = i->if_index; 47 priv->local = local; 48 } 49 } 50 51 sandbox_eth_raw_if_freenameindex(ni); 52 53 return 0; 54 } 55 56 static const struct udevice_id sandbox_eth_raw_bus_ids[] = { 57 { .compatible = "sandbox,eth-raw-bus" }, 58 { } 59 }; 60 61 U_BOOT_DRIVER(sandbox_eth_raw_bus) = { 62 .name = "sb_eth_raw_bus", 63 .id = UCLASS_SIMPLE_BUS, 64 .of_match = sandbox_eth_raw_bus_ids, 65 .bind = eth_raw_bus_post_bind, 66 }; 67