Ask the OS for each of its interfaces and for each one, bind a U-Boot device and then probe it. This will allocate the priv data structure that is then populated. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>lime2-spi
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2018 National Instruments |
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* Copyright (c) 2018 Joe Hershberger <joe.hershberger@ni.com> |
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*/ |
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#include <common.h> |
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#include <asm/eth-raw-os.h> |
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#include <dm.h> |
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#include <errno.h> |
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#include <dm/device-internal.h> |
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#include <dm/lists.h> |
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static int eth_raw_bus_post_bind(struct udevice *dev) |
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{ |
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struct sandbox_eth_raw_if_nameindex *ni, *i; |
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struct udevice *child; |
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struct eth_sandbox_raw_priv *priv; |
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char *ub_ifname; |
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static const char ub_ifname_pfx[] = "host_"; |
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u32 skip_localhost = 0; |
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ni = sandbox_eth_raw_if_nameindex(); |
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if (!ni) |
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return -EINVAL; |
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dev_read_u32(dev, "skip-localhost", &skip_localhost); |
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for (i = ni; !(i->if_index == 0 && !i->if_name); i++) { |
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int local = sandbox_eth_raw_os_is_local(i->if_name); |
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if (local < 0) |
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continue; |
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if (skip_localhost && local) |
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continue; |
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ub_ifname = calloc(IFNAMSIZ + sizeof(ub_ifname_pfx), 1); |
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strcpy(ub_ifname, ub_ifname_pfx); |
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strncat(ub_ifname, i->if_name, IFNAMSIZ); |
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device_bind_driver(dev, "eth_sandbox_raw", ub_ifname, &child); |
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device_set_name_alloced(child); |
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device_probe(child); |
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priv = dev_get_priv(child); |
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if (priv) { |
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memcpy(priv->host_ifname, i->if_name, IFNAMSIZ); |
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priv->host_ifindex = i->if_index; |
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priv->local = local; |
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} |
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} |
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sandbox_eth_raw_if_freenameindex(ni); |
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return 0; |
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} |
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static const struct udevice_id sandbox_eth_raw_bus_ids[] = { |
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{ .compatible = "sandbox,eth-raw-bus" }, |
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{ } |
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}; |
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U_BOOT_DRIVER(sandbox_eth_raw_bus) = { |
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.name = "sb_eth_raw_bus", |
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.id = UCLASS_SIMPLE_BUS, |
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.of_match = sandbox_eth_raw_bus_ids, |
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.bind = eth_raw_bus_post_bind, |
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}; |
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