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