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net/eth_common.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * (C) Copyright 2001-2015 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Joe Hershberger, National Instruments |
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*/ #include <common.h> |
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#include <dm.h> |
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#include <environment.h> |
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#include <miiphy.h> |
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#include <net.h> |
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#include "eth_internal.h" |
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int eth_env_get_enetaddr_by_index(const char *base_name, int index, |
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uchar *enetaddr) { char enetvar[32]; sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); |
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return eth_env_get_enetaddr(enetvar, enetaddr); |
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} |
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int eth_env_set_enetaddr_by_index(const char *base_name, int index, |
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uchar *enetaddr) { char enetvar[32]; sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); |
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return eth_env_set_enetaddr(enetvar, enetaddr); |
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} |
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void eth_common_init(void) { bootstage_mark(BOOTSTAGE_ID_NET_ETH_START); #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB) miiphy_init(); #endif #ifdef CONFIG_PHYLIB phy_init(); #endif } |
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int eth_mac_skip(int index) { char enetvar[15]; char *skip_state; sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index); |
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skip_state = env_get(enetvar); |
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return skip_state != NULL; } void eth_current_changed(void) { |
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char *act = env_get("ethact"); |
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char *ethrotate; /* * The call to eth_get_dev() below has a side effect of rotating * ethernet device if uc_priv->current == NULL. This is not what * we want when 'ethrotate' variable is 'no'. */ |
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ethrotate = env_get("ethrotate"); |
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if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) return; /* update current ethernet name */ if (eth_get_dev()) { if (act == NULL || strcmp(act, eth_get_name()) != 0) |
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env_set("ethact", eth_get_name()); |
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} /* * remove the variable completely if there is no active * interface */ else if (act != NULL) |
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env_set("ethact", NULL); |
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} void eth_try_another(int first_restart) { static void *first_failed; char *ethrotate; /* * Do not rotate between network interfaces when * 'ethrotate' variable is set to 'no'. */ |
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ethrotate = env_get("ethrotate"); |
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if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) return; if (!eth_get_dev()) return; if (first_restart) first_failed = eth_get_dev(); eth_set_current_to_next(); eth_current_changed(); if (first_failed == eth_get_dev()) net_restart_wrap = 1; } void eth_set_current(void) { static char *act; static int env_changed_id; int env_id; env_id = get_env_id(); if ((act == NULL) || (env_changed_id != env_id)) { |
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act = env_get("ethact"); |
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env_changed_id = env_id; } if (act == NULL) { |
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char *ethprime = env_get("ethprime"); |
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void *dev = NULL; if (ethprime) dev = eth_get_dev_by_name(ethprime); if (dev) eth_set_dev(dev); else eth_set_dev(NULL); } else { eth_set_dev(eth_get_dev_by_name(act)); } eth_current_changed(); } const char *eth_get_name(void) { return eth_get_dev() ? eth_get_dev()->name : "unknown"; } |