X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Feth.c;h=76ffa05608adcaffb9bf3f888b4983a6a17cfcd4;hb=03a3536c7b7f2902932606da9248c6f08318174a;hp=66a84d4b15dd42838b0609b46940b4c8ef7f4954;hpb=db288a96027fa1cb3f8a53f330724f864224a56c;p=karo-tx-uboot.git diff --git a/net/eth.c b/net/eth.c index 66a84d4b15..76ffa05608 100644 --- a/net/eth.c +++ b/net/eth.c @@ -2,23 +2,7 @@ * (C) Copyright 2001-2010 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -26,6 +10,7 @@ #include #include #include +#include void eth_parse_enetaddr(const char *addr, uchar *enetaddr) { @@ -62,6 +47,15 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index, return eth_getenv_enetaddr(enetvar, enetaddr); } +static inline int eth_setenv_enetaddr_by_index(const char *base_name, int index, + uchar *enetaddr) +{ + char enetvar[32]; + sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); + return eth_setenv_enetaddr(enetvar, enetaddr); +} + + static int eth_mac_skip(int index) { char enetvar[15]; @@ -87,15 +81,11 @@ static struct { int length; } eth_rcv_bufs[PKTBUFSRX]; -static unsigned int eth_rcv_current = 0, eth_rcv_last = 0; +static unsigned int eth_rcv_current, eth_rcv_last; #endif -static struct eth_device *eth_devices, *eth_current; - -struct eth_device *eth_get_dev(void) -{ - return eth_current; -} +static struct eth_device *eth_devices; +struct eth_device *eth_current; struct eth_device *eth_get_dev_by_name(const char *devname) { @@ -139,11 +129,10 @@ struct eth_device *eth_get_dev_by_index(int index) return target_dev; } -int eth_get_dev_index (void) +int eth_get_dev_index(void) { - if (!eth_current) { + if (!eth_current) return -1; - } return eth_current->index; } @@ -164,6 +153,11 @@ static void eth_current_changed(void) setenv("ethact", NULL); } +int eth_address_set(unsigned char *addr) +{ + return memcmp(addr, "\0\0\0\0\0\0", 6); +} + int eth_write_hwaddr(struct eth_device *dev, const char *base_name, int eth_number) { @@ -172,9 +166,9 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr); - if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { - if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && - memcmp(dev->enetaddr, env_enetaddr, 6)) { + if (eth_address_set(env_enetaddr)) { + if (eth_address_set(dev->enetaddr) && + memcmp(dev->enetaddr, env_enetaddr, 6)) { printf("\nWarning: %s MAC addresses don't match:\n", dev->name); printf("Address in SROM is %pM\n", @@ -184,12 +178,27 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, } memcpy(dev->enetaddr, env_enetaddr, 6); + } else if (is_valid_ether_addr(dev->enetaddr)) { + eth_setenv_enetaddr_by_index(base_name, eth_number, + dev->enetaddr); + printf("\nWarning: %s using MAC address from net device\n", + dev->name); + } else if (!(eth_address_set(dev->enetaddr))) { + printf("\nError: %s address not set.\n", + dev->name); + return -EINVAL; } - if (dev->write_hwaddr && - !eth_mac_skip(eth_number) && - is_valid_ether_addr(dev->enetaddr)) { + if (dev->write_hwaddr && !eth_mac_skip(eth_number)) { + if (!is_valid_ether_addr(dev->enetaddr)) { + printf("\nError: %s address %pM illegal value\n", + dev->name, dev->enetaddr); + return -EINVAL; + } + ret = dev->write_hwaddr(dev); + if (ret) + printf("\nWarning: %s failed to set MAC address\n", dev->name); } return ret; @@ -198,7 +207,7 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, int eth_register(struct eth_device *dev) { struct eth_device *d; - static int index = 0; + static int index; assert(strlen(dev->name) < sizeof(dev->name)); @@ -206,7 +215,7 @@ int eth_register(struct eth_device *dev) eth_current = eth_devices = dev; eth_current_changed(); } else { - for (d=eth_devices; d->next!=eth_devices; d=d->next) + for (d = eth_devices; d->next != eth_devices; d = d->next) ; d->next = dev; } @@ -247,6 +256,14 @@ int eth_unregister(struct eth_device *dev) return 0; } +static void eth_env_init(bd_t *bis) +{ + const char *s; + + if ((s = getenv("bootfile")) != NULL) + copy_filename(BootFile, s, sizeof(BootFile)); +} + int eth_initialize(bd_t *bis) { int num_devices = 0; @@ -254,7 +271,7 @@ int eth_initialize(bd_t *bis) eth_current = NULL; bootstage_mark(BOOTSTAGE_ID_NET_ETH_START); -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB) miiphy_init(); #endif @@ -262,6 +279,8 @@ int eth_initialize(bd_t *bis) phy_init(); #endif + eth_env_init(bis); + /* * If board-specific initialization exists, call it. * If not, call a CPU-specific one @@ -276,36 +295,36 @@ int eth_initialize(bd_t *bis) printf("Net Initialization Skipped\n"); if (!eth_devices) { - puts ("No ethernet found.\n"); + puts("No ethernet found.\n"); bootstage_error(BOOTSTAGE_ID_NET_ETH_START); } else { struct eth_device *dev = eth_devices; - char *ethprime = getenv ("ethprime"); + char *ethprime = getenv("ethprime"); bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT); do { if (dev->index) - puts (", "); + puts(", "); printf("%s", dev->name); - if (ethprime && strcmp (dev->name, ethprime) == 0) { + if (ethprime && strcmp(dev->name, ethprime) == 0) { eth_current = dev; - puts (" [PRIME]"); + puts(" [PRIME]"); } if (strchr(dev->name, ' ')) - puts("\nWarning: eth device name has a space!\n"); + puts("\nWarning: eth device name has a space!" + "\n"); - if (eth_write_hwaddr(dev, "eth", dev->index)) - puts("\nWarning: failed to set MAC address\n"); + eth_write_hwaddr(dev, "eth", dev->index); dev = dev->next; num_devices++; - } while(dev != eth_devices); + } while (dev != eth_devices); eth_current_changed(); - putc ('\n'); + putc('\n'); } return num_devices; @@ -316,9 +335,9 @@ int eth_initialize(bd_t *bis) * mcast_addr: multicast ipaddr from which multicast Mac is made * join: 1=join, 0=leave. */ -int eth_mcast_join( IPaddr_t mcast_ip, u8 join) +int eth_mcast_join(IPaddr_t mcast_ip, u8 join) { - u8 mcast_mac[6]; + u8 mcast_mac[6]; if (!eth_current || !eth_current->mcast) return -1; mcast_mac[5] = htonl(mcast_ip) & 0xff; @@ -335,7 +354,7 @@ int eth_mcast_join( IPaddr_t mcast_ip, u8 join) * some other adapter -- hash tables */ #define CRCPOLY_LE 0xedb88320 -u32 ether_crc (size_t len, unsigned char const *p) +u32 ether_crc(size_t len, unsigned char const *p) { int i; u32 crc; @@ -362,7 +381,7 @@ int eth_init(bd_t *bis) struct eth_device *old_current, *dev; if (!eth_current) { - puts ("No ethernet found.\n"); + puts("No ethernet found.\n"); return -1; } @@ -382,7 +401,7 @@ int eth_init(bd_t *bis) do { debug("Trying %s\n", eth_current->name); - if (eth_current->init(eth_current,bis) >= 0) { + if (eth_current->init(eth_current, bis) >= 0) { eth_current->state = ETH_STATE_ACTIVE; return 0; @@ -455,10 +474,7 @@ int eth_receive(void *packet, int length) return -1; } - if (length < eth_rcv_bufs[eth_rcv_current].length) - return -1; - - length = eth_rcv_bufs[eth_rcv_current].length; + length = min(eth_rcv_bufs[eth_rcv_current].length, length); for (i = 0; i < length; i++) p[i] = eth_rcv_bufs[eth_rcv_current].data[i]; @@ -470,38 +486,36 @@ int eth_receive(void *packet, int length) void eth_try_another(int first_restart) { - static struct eth_device *first_failed = NULL; + static struct eth_device *first_failed; char *ethrotate; /* * Do not rotate between network interfaces when * 'ethrotate' variable is set to 'no'. */ - if (((ethrotate = getenv ("ethrotate")) != NULL) && - (strcmp(ethrotate, "no") == 0)) + ethrotate = getenv("ethrotate"); + if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) return; if (!eth_current) return; - if (first_restart) { + if (first_restart) first_failed = eth_current; - } eth_current = eth_current->next; eth_current_changed(); - if (first_failed == eth_current) { + if (first_failed == eth_current) NetRestartWrap = 1; - } } void eth_set_current(void) { - static char *act = NULL; - static int env_changed_id = 0; - struct eth_device* old_current; + static char *act; + static int env_changed_id; + struct eth_device *old_current; int env_id; if (!eth_current) /* XXX no current */ @@ -524,7 +538,7 @@ void eth_set_current(void) eth_current_changed(); } -char *eth_get_name (void) +char *eth_get_name(void) { - return (eth_current ? eth_current->name : "unknown"); + return eth_current ? eth_current->name : "unknown"; }