X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=net%2Feth.c;h=77ea5580aa00f36726b0e8dcf7ee01be685f43b3;hp=1c0c78005e8058b29c513101617832451d2d7f8c;hb=8ec346e17b5bf6897f038b8ecc3ecd073e097a22;hpb=a9a730e0bc18535597d15ce47964824baf220c94 diff --git a/net/eth.c b/net/eth.c index 1c0c78005e..77ea5580aa 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 @@ -62,7 +46,14 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index, return eth_getenv_enetaddr(enetvar, enetaddr); } -#ifdef CONFIG_NET_MULTI +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) { @@ -72,6 +63,28 @@ static int eth_mac_skip(int index) return ((skip_state = getenv(enetvar)) != NULL); } +#ifdef CONFIG_RANDOM_MACADDR +void eth_random_enetaddr(uchar *enetaddr) +{ + uint32_t rval; + + srand(rand() ^ get_timer(0)); + + rval = rand(); + enetaddr[0] = rval & 0xff; + enetaddr[1] = (rval >> 8) & 0xff; + enetaddr[2] = (rval >> 16) & 0xff; + + rval = rand(); + enetaddr[3] = rval & 0xff; + enetaddr[4] = (rval >> 8) & 0xff; + enetaddr[5] = (rval >> 16) & 0xff; + + /* make sure it's local and unicast */ + enetaddr[0] = (enetaddr[0] | 0x02) & ~0x01; +} +#endif + /* * CPU and board-specific Ethernet initializations. Aliased function * signals caller to move on @@ -83,26 +96,17 @@ static int __def_eth_init(bd_t *bis) int cpu_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init"))); int board_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init"))); -extern int mv6436x_eth_initialize(bd_t *); -extern int mv6446x_eth_initialize(bd_t *); - #ifdef CONFIG_API -extern void (*push_packet)(volatile void *, int); - static struct { uchar data[PKTSIZE]; 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) { @@ -129,7 +133,6 @@ struct eth_device *eth_get_dev_by_name(const char *devname) struct eth_device *eth_get_dev_by_index(int index) { struct eth_device *dev, *target_dev; - int idx = 0; if (!eth_devices) return NULL; @@ -137,58 +140,38 @@ struct eth_device *eth_get_dev_by_index(int index) dev = eth_devices; target_dev = NULL; do { - if (idx == index) { + if (dev->index == index) { target_dev = dev; break; } dev = dev->next; - idx++; } while (dev != eth_devices); return target_dev; } -int eth_get_dev_index (void) +int eth_get_dev_index(void) { - struct eth_device *dev; - int num = 0; - - if (!eth_devices) { - return (-1); - } - - for (dev = eth_devices; dev; dev = dev->next) { - if (dev == eth_current) - break; - ++num; - } - - if (dev) { - return (num); - } + if (!eth_current) + return -1; - return (0); + return eth_current->index; } static void eth_current_changed(void) { -#ifdef CONFIG_NET_MULTI - { - char *act = getenv("ethact"); - /* update current ethernet name */ - if (eth_current) - { - if (act == NULL || strcmp(act, eth_current->name) != 0) - setenv("ethact", eth_current->name); - } - /* - * remove the variable completely if there is no active - * interface - */ - else if (act != NULL) - setenv("ethact", NULL); + char *act = getenv("ethact"); + /* update current ethernet name */ + if (eth_current) { + if (act == NULL || strcmp(act, eth_current->name) != 0) + setenv("ethact", eth_current->name); } -#endif + /* + * remove the variable completely if there is no active + * interface + */ + else if (act != NULL) + setenv("ethact", NULL); } int eth_write_hwaddr(struct eth_device *dev, const char *base_name, @@ -197,12 +180,11 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, unsigned char env_enetaddr[6]; int ret = 0; - if (!eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr)) - return -1; + 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)) { + memcmp(dev->enetaddr, env_enetaddr, 6)) { printf("\nWarning: %s MAC addresses don't match:\n", dev->name); printf("Address in SROM is %pM\n", @@ -212,11 +194,18 @@ 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); } if (dev->write_hwaddr && - !eth_mac_skip(eth_number) && - is_valid_ether_addr(dev->enetaddr)) { + !eth_mac_skip(eth_number)) { + if (!is_valid_ether_addr(dev->enetaddr)) + return -1; + ret = dev->write_hwaddr(dev); } @@ -226,32 +215,70 @@ 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; - assert(strlen(dev->name) < NAMESIZE); + assert(strlen(dev->name) < sizeof(dev->name)); if (!eth_devices) { 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; } dev->state = ETH_STATE_INIT; dev->next = eth_devices; + dev->index = index++; return 0; } -int eth_initialize(bd_t *bis) +int eth_unregister(struct eth_device *dev) { - int eth_number = 0; + struct eth_device *cur; + /* No device */ + if (!eth_devices) + return -1; + + for (cur = eth_devices; cur->next != eth_devices && cur->next != dev; + cur = cur->next) + ; + + /* Device not found */ + if (cur->next != dev) + return -1; + + cur->next = dev->next; + + if (eth_devices == dev) + eth_devices = dev->next == eth_devices ? NULL : dev->next; + + if (eth_current == dev) { + eth_current = eth_devices; + eth_current_changed(); + } + + 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; eth_devices = NULL; eth_current = NULL; - show_boot_progress (64); + bootstage_mark(BOOTSTAGE_ID_NET_ETH_START); #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) miiphy_init(); #endif @@ -260,6 +287,8 @@ 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 @@ -273,46 +302,41 @@ int eth_initialize(bd_t *bis) } else printf("Net Initialization Skipped\n"); -#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750) - mv6436x_eth_initialize(bis); -#endif -#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx) - mv6446x_eth_initialize(bis); -#endif if (!eth_devices) { - puts ("No ethernet found.\n"); - show_boot_progress (-64); + 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"); - show_boot_progress (65); + bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT); do { - if (eth_number) - puts (", "); + if (dev->index) + 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", eth_number)) + if (eth_write_hwaddr(dev, "eth", dev->index)) puts("\nWarning: failed to set MAC address\n"); - eth_number++; dev = dev->next; - } while(dev != eth_devices); + num_devices++; + } while (dev != eth_devices); eth_current_changed(); - putc ('\n'); + putc('\n'); } - return eth_number; + return num_devices; } #ifdef CONFIG_MCAST_TFTP @@ -320,9 +344,9 @@ 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; @@ -339,7 +363,7 @@ 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; @@ -363,25 +387,22 @@ u32 ether_crc (size_t len, unsigned char const *p) int eth_init(bd_t *bis) { - int eth_number; struct eth_device *old_current, *dev; if (!eth_current) { - puts ("No ethernet found.\n"); + puts("No ethernet found.\n"); return -1; } /* Sync environment with network devices */ - eth_number = 0; dev = eth_devices; do { uchar env_enetaddr[6]; - if (eth_getenv_enetaddr_by_index("eth", eth_number, + if (eth_getenv_enetaddr_by_index("eth", dev->index, env_enetaddr)) memcpy(dev->enetaddr, env_enetaddr, 6); - ++eth_number; dev = dev->next; } while (dev != eth_devices); @@ -389,7 +410,7 @@ 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; @@ -412,7 +433,7 @@ void eth_halt(void) eth_current->state = ETH_STATE_PASSIVE; } -int eth_send(volatile void *packet, int length) +int eth_send(void *packet, int length) { if (!eth_current) return -1; @@ -429,9 +450,9 @@ int eth_rx(void) } #ifdef CONFIG_API -static void eth_save_packet(volatile void *packet, int length) +static void eth_save_packet(void *packet, int length) { - volatile char *p = packet; + char *p = packet; int i; if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) @@ -447,9 +468,9 @@ static void eth_save_packet(volatile void *packet, int length) eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; } -int eth_receive(volatile void *packet, int length) +int eth_receive(void *packet, int length) { - volatile char *p = packet; + char *p = packet; void *pp = push_packet; int i; @@ -462,10 +483,7 @@ int eth_receive(volatile 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]; @@ -477,38 +495,36 @@ int eth_receive(volatile 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 */ @@ -531,31 +547,7 @@ void eth_set_current(void) eth_current_changed(); } -char *eth_get_name (void) -{ - return (eth_current ? eth_current->name : "unknown"); -} - -#else /* !CONFIG_NET_MULTI */ - -#warning Ethernet driver is deprecated. Please update to use CONFIG_NET_MULTI - -extern int mcf52x2_miiphy_initialize(bd_t *bis); -extern int ns7520_miiphy_initialize(bd_t *bis); - - -int eth_initialize(bd_t *bis) +char *eth_get_name(void) { -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) - miiphy_init(); -#endif - -#if defined(CONFIG_MCF52x2) - mcf52x2_miiphy_initialize(bis); -#endif -#if defined(CONFIG_DRIVER_NS7520_ETHERNET) - ns7520_miiphy_initialize(bis); -#endif - return 0; + return eth_current ? eth_current->name : "unknown"; } -#endif