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3135b9a916
Extract some code from cmd/net.c that will be useful in a subsequent commit to implement wget with NET_LWIP. Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <command.h>
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#include <dm/device.h>
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#include <dm/uclass.h>
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#include <net.h>
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#include <linux/compat.h>
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#include <linux/ethtool.h>
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static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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const struct udevice *current = eth_get_dev();
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unsigned char env_enetaddr[ARP_HLEN];
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const struct udevice *dev;
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struct uclass *uc;
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uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
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eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
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printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
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current == dev ? "active" : "");
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}
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return CMD_RET_SUCCESS;
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}
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static int do_net_stats(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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int nstats, err, i, off;
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struct udevice *dev;
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u64 *values;
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u8 *strings;
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if (argc < 2)
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return CMD_RET_USAGE;
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err = uclass_get_device_by_name(UCLASS_ETH, argv[1], &dev);
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if (err) {
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printf("Could not find device %s\n", argv[1]);
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return CMD_RET_FAILURE;
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}
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if (!eth_get_ops(dev)->get_sset_count ||
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!eth_get_ops(dev)->get_strings ||
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!eth_get_ops(dev)->get_stats) {
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printf("Driver does not implement stats dump!\n");
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return CMD_RET_FAILURE;
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}
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nstats = eth_get_ops(dev)->get_sset_count(dev);
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strings = kcalloc(nstats, ETH_GSTRING_LEN, GFP_KERNEL);
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if (!strings)
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return CMD_RET_FAILURE;
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values = kcalloc(nstats, sizeof(u64), GFP_KERNEL);
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if (!values)
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goto err_free_strings;
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eth_get_ops(dev)->get_strings(dev, strings);
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eth_get_ops(dev)->get_stats(dev, values);
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off = 0;
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for (i = 0; i < nstats; i++) {
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printf(" %s: %llu\n", &strings[off], values[i]);
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off += ETH_GSTRING_LEN;
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};
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kfree(strings);
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kfree(values);
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return CMD_RET_SUCCESS;
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err_free_strings:
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kfree(strings);
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return CMD_RET_FAILURE;
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}
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static struct cmd_tbl cmd_net[] = {
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U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
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U_BOOT_CMD_MKENT(stats, 2, 0, do_net_stats, "", ""),
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};
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static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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struct cmd_tbl *cp;
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cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
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/* Drop the net command */
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argc--;
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argv++;
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if (!cp || argc > cp->maxargs)
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return CMD_RET_USAGE;
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if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
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return CMD_RET_SUCCESS;
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return cp->cmd(cmdtp, flag, argc, argv);
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}
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U_BOOT_CMD(
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net, 3, 1, do_net,
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"NET sub-system",
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"list - list available devices\n"
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"stats <device> - dump statistics for specified device\n"
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);
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