From c4998f9634a023d498f647fa0f7fea7b08b22852 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 17 Jan 2016 14:52:01 -0700 Subject: net: Rename eth.c to eth_lecacy.c Rename this file to make it clear it is for the old networking drivers and not for use with driver model. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Acked-by: Joe Hershberger diff --git a/net/Makefile b/net/Makefile index 943de14..f03d608 100644 --- a/net/Makefile +++ b/net/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_CMD_DNS) += dns.o ifdef CONFIG_DM_ETH obj-$(CONFIG_CMD_NET) += eth-uclass.o else -obj-$(CONFIG_CMD_NET) += eth.o +obj-$(CONFIG_CMD_NET) += eth_legacy.o endif obj-$(CONFIG_CMD_NET) += eth_common.o obj-$(CONFIG_CMD_LINK_LOCAL) += link_local.o diff --git a/net/eth.c b/net/eth.c deleted file mode 100644 index bdcd6ea..0000000 --- a/net/eth.c +++ /dev/null @@ -1,439 +0,0 @@ -/* - * (C) Copyright 2001-2015 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Joe Hershberger, National Instruments - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#include "eth_internal.h" - -DECLARE_GLOBAL_DATA_PTR; - -/* - * CPU and board-specific Ethernet initializations. Aliased function - * signals caller to move on - */ -static int __def_eth_init(bd_t *bis) -{ - return -1; -} -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"))); - -#ifdef CONFIG_API -static struct { - uchar data[PKTSIZE]; - int length; -} eth_rcv_bufs[PKTBUFSRX]; - -static unsigned int eth_rcv_current, eth_rcv_last; -#endif - -static struct eth_device *eth_devices; -struct eth_device *eth_current; - -void eth_set_current_to_next(void) -{ - eth_current = eth_current->next; -} - -void eth_set_dev(struct eth_device *dev) -{ - eth_current = dev; -} - -struct eth_device *eth_get_dev_by_name(const char *devname) -{ - struct eth_device *dev, *target_dev; - - BUG_ON(devname == NULL); - - if (!eth_devices) - return NULL; - - dev = eth_devices; - target_dev = NULL; - do { - if (strcmp(devname, dev->name) == 0) { - target_dev = dev; - break; - } - dev = dev->next; - } while (dev != eth_devices); - - return target_dev; -} - -struct eth_device *eth_get_dev_by_index(int index) -{ - struct eth_device *dev, *target_dev; - - if (!eth_devices) - return NULL; - - dev = eth_devices; - target_dev = NULL; - do { - if (dev->index == index) { - target_dev = dev; - break; - } - dev = dev->next; - } while (dev != eth_devices); - - return target_dev; -} - -int eth_get_dev_index(void) -{ - if (!eth_current) - return -1; - - return eth_current->index; -} - -static int on_ethaddr(const char *name, const char *value, enum env_op op, - int flags) -{ - int index; - struct eth_device *dev; - - if (!eth_devices) - return 0; - - /* look for an index after "eth" */ - index = simple_strtoul(name + 3, NULL, 10); - - dev = eth_devices; - do { - if (dev->index == index) { - switch (op) { - case env_op_create: - case env_op_overwrite: - eth_parse_enetaddr(value, dev->enetaddr); - break; - case env_op_delete: - memset(dev->enetaddr, 0, 6); - } - } - dev = dev->next; - } while (dev != eth_devices); - - return 0; -} -U_BOOT_ENV_CALLBACK(ethaddr, on_ethaddr); - -int eth_write_hwaddr(struct eth_device *dev, const char *base_name, - int eth_number) -{ - unsigned char env_enetaddr[6]; - int ret = 0; - - eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr); - - if (!is_zero_ethaddr(env_enetaddr)) { - if (!is_zero_ethaddr(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", - dev->enetaddr); - printf("Address in environment is %pM\n", - env_enetaddr); - } - - memcpy(dev->enetaddr, env_enetaddr, 6); - } else if (is_valid_ethaddr(dev->enetaddr)) { - eth_setenv_enetaddr_by_index(base_name, eth_number, - dev->enetaddr); - } else if (is_zero_ethaddr(dev->enetaddr)) { -#ifdef CONFIG_NET_RANDOM_ETHADDR - net_random_ethaddr(dev->enetaddr); - printf("\nWarning: %s (eth%d) using random MAC address - %pM\n", - dev->name, eth_number, dev->enetaddr); -#else - printf("\nError: %s address not set.\n", - dev->name); - return -EINVAL; -#endif - } - - if (dev->write_hwaddr && !eth_mac_skip(eth_number)) { - if (!is_valid_ethaddr(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; -} - -int eth_register(struct eth_device *dev) -{ - struct eth_device *d; - static int index; - - assert(strlen(dev->name) < sizeof(dev->name)); - - if (!eth_devices) { - eth_devices = dev; - eth_current = dev; - eth_current_changed(); - } else { - 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_unregister(struct eth_device *dev) -{ - struct eth_device *cur; - - /* No device */ - if (!eth_devices) - return -ENODEV; - - for (cur = eth_devices; cur->next != eth_devices && cur->next != dev; - cur = cur->next) - ; - - /* Device not found */ - if (cur->next != dev) - return -ENODEV; - - 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; -} - -int eth_initialize(void) -{ - int num_devices = 0; - - eth_devices = NULL; - eth_current = NULL; - eth_common_init(); - /* - * If board-specific initialization exists, call it. - * If not, call a CPU-specific one - */ - if (board_eth_init != __def_eth_init) { - if (board_eth_init(gd->bd) < 0) - printf("Board Net Initialization Failed\n"); - } else if (cpu_eth_init != __def_eth_init) { - if (cpu_eth_init(gd->bd) < 0) - printf("CPU Net Initialization Failed\n"); - } else { - printf("Net Initialization Skipped\n"); - } - - if (!eth_devices) { - puts("No ethernet found.\n"); - bootstage_error(BOOTSTAGE_ID_NET_ETH_START); - } else { - struct eth_device *dev = eth_devices; - char *ethprime = getenv("ethprime"); - - bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT); - do { - if (dev->index) - puts(", "); - - printf("%s", dev->name); - - if (ethprime && strcmp(dev->name, ethprime) == 0) { - eth_current = dev; - puts(" [PRIME]"); - } - - if (strchr(dev->name, ' ')) - puts("\nWarning: eth device name has a space!" - "\n"); - - eth_write_hwaddr(dev, "eth", dev->index); - - dev = dev->next; - num_devices++; - } while (dev != eth_devices); - - eth_current_changed(); - putc('\n'); - } - - return num_devices; -} - -#ifdef CONFIG_MCAST_TFTP -/* Multicast. - * mcast_addr: multicast ipaddr from which multicast Mac is made - * join: 1=join, 0=leave. - */ -int eth_mcast_join(struct in_addr mcast_ip, int join) -{ - u8 mcast_mac[6]; - if (!eth_current || !eth_current->mcast) - return -1; - mcast_mac[5] = htonl(mcast_ip.s_addr) & 0xff; - mcast_mac[4] = (htonl(mcast_ip.s_addr)>>8) & 0xff; - mcast_mac[3] = (htonl(mcast_ip.s_addr)>>16) & 0x7f; - mcast_mac[2] = 0x5e; - mcast_mac[1] = 0x0; - mcast_mac[0] = 0x1; - return eth_current->mcast(eth_current, mcast_mac, join); -} - -/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c - * and this is the ethernet-crc method needed for TSEC -- and perhaps - * some other adapter -- hash tables - */ -#define CRCPOLY_LE 0xedb88320 -u32 ether_crc(size_t len, unsigned char const *p) -{ - int i; - u32 crc; - crc = ~0; - while (len--) { - crc ^= *p++; - for (i = 0; i < 8; i++) - crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); - } - /* an reverse the bits, cuz of way they arrive -- last-first */ - crc = (crc >> 16) | (crc << 16); - crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00); - crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0); - crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc); - crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa); - return crc; -} - -#endif - - -int eth_init(void) -{ - struct eth_device *old_current; - - if (!eth_current) { - puts("No ethernet found.\n"); - return -ENODEV; - } - - old_current = eth_current; - do { - debug("Trying %s\n", eth_current->name); - - if (eth_current->init(eth_current, gd->bd) >= 0) { - eth_current->state = ETH_STATE_ACTIVE; - - return 0; - } - debug("FAIL\n"); - - eth_try_another(0); - } while (old_current != eth_current); - - return -ETIMEDOUT; -} - -void eth_halt(void) -{ - if (!eth_current) - return; - - eth_current->halt(eth_current); - - eth_current->state = ETH_STATE_PASSIVE; -} - -int eth_is_active(struct eth_device *dev) -{ - return dev && dev->state == ETH_STATE_ACTIVE; -} - -int eth_send(void *packet, int length) -{ - if (!eth_current) - return -ENODEV; - - return eth_current->send(eth_current, packet, length); -} - -int eth_rx(void) -{ - if (!eth_current) - return -ENODEV; - - return eth_current->recv(eth_current); -} - -#ifdef CONFIG_API -static void eth_save_packet(void *packet, int length) -{ - char *p = packet; - int i; - - if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) - return; - - if (PKTSIZE < length) - return; - - for (i = 0; i < length; i++) - eth_rcv_bufs[eth_rcv_last].data[i] = p[i]; - - eth_rcv_bufs[eth_rcv_last].length = length; - eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; -} - -int eth_receive(void *packet, int length) -{ - char *p = packet; - void *pp = push_packet; - int i; - - if (eth_rcv_current == eth_rcv_last) { - push_packet = eth_save_packet; - eth_rx(); - push_packet = pp; - - if (eth_rcv_current == eth_rcv_last) - return -1; - } - - 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]; - - eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX; - return length; -} -#endif /* CONFIG_API */ diff --git a/net/eth_legacy.c b/net/eth_legacy.c new file mode 100644 index 0000000..bdcd6ea --- /dev/null +++ b/net/eth_legacy.c @@ -0,0 +1,439 @@ +/* + * (C) Copyright 2001-2015 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * Joe Hershberger, National Instruments + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include "eth_internal.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * CPU and board-specific Ethernet initializations. Aliased function + * signals caller to move on + */ +static int __def_eth_init(bd_t *bis) +{ + return -1; +} +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"))); + +#ifdef CONFIG_API +static struct { + uchar data[PKTSIZE]; + int length; +} eth_rcv_bufs[PKTBUFSRX]; + +static unsigned int eth_rcv_current, eth_rcv_last; +#endif + +static struct eth_device *eth_devices; +struct eth_device *eth_current; + +void eth_set_current_to_next(void) +{ + eth_current = eth_current->next; +} + +void eth_set_dev(struct eth_device *dev) +{ + eth_current = dev; +} + +struct eth_device *eth_get_dev_by_name(const char *devname) +{ + struct eth_device *dev, *target_dev; + + BUG_ON(devname == NULL); + + if (!eth_devices) + return NULL; + + dev = eth_devices; + target_dev = NULL; + do { + if (strcmp(devname, dev->name) == 0) { + target_dev = dev; + break; + } + dev = dev->next; + } while (dev != eth_devices); + + return target_dev; +} + +struct eth_device *eth_get_dev_by_index(int index) +{ + struct eth_device *dev, *target_dev; + + if (!eth_devices) + return NULL; + + dev = eth_devices; + target_dev = NULL; + do { + if (dev->index == index) { + target_dev = dev; + break; + } + dev = dev->next; + } while (dev != eth_devices); + + return target_dev; +} + +int eth_get_dev_index(void) +{ + if (!eth_current) + return -1; + + return eth_current->index; +} + +static int on_ethaddr(const char *name, const char *value, enum env_op op, + int flags) +{ + int index; + struct eth_device *dev; + + if (!eth_devices) + return 0; + + /* look for an index after "eth" */ + index = simple_strtoul(name + 3, NULL, 10); + + dev = eth_devices; + do { + if (dev->index == index) { + switch (op) { + case env_op_create: + case env_op_overwrite: + eth_parse_enetaddr(value, dev->enetaddr); + break; + case env_op_delete: + memset(dev->enetaddr, 0, 6); + } + } + dev = dev->next; + } while (dev != eth_devices); + + return 0; +} +U_BOOT_ENV_CALLBACK(ethaddr, on_ethaddr); + +int eth_write_hwaddr(struct eth_device *dev, const char *base_name, + int eth_number) +{ + unsigned char env_enetaddr[6]; + int ret = 0; + + eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr); + + if (!is_zero_ethaddr(env_enetaddr)) { + if (!is_zero_ethaddr(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", + dev->enetaddr); + printf("Address in environment is %pM\n", + env_enetaddr); + } + + memcpy(dev->enetaddr, env_enetaddr, 6); + } else if (is_valid_ethaddr(dev->enetaddr)) { + eth_setenv_enetaddr_by_index(base_name, eth_number, + dev->enetaddr); + } else if (is_zero_ethaddr(dev->enetaddr)) { +#ifdef CONFIG_NET_RANDOM_ETHADDR + net_random_ethaddr(dev->enetaddr); + printf("\nWarning: %s (eth%d) using random MAC address - %pM\n", + dev->name, eth_number, dev->enetaddr); +#else + printf("\nError: %s address not set.\n", + dev->name); + return -EINVAL; +#endif + } + + if (dev->write_hwaddr && !eth_mac_skip(eth_number)) { + if (!is_valid_ethaddr(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; +} + +int eth_register(struct eth_device *dev) +{ + struct eth_device *d; + static int index; + + assert(strlen(dev->name) < sizeof(dev->name)); + + if (!eth_devices) { + eth_devices = dev; + eth_current = dev; + eth_current_changed(); + } else { + 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_unregister(struct eth_device *dev) +{ + struct eth_device *cur; + + /* No device */ + if (!eth_devices) + return -ENODEV; + + for (cur = eth_devices; cur->next != eth_devices && cur->next != dev; + cur = cur->next) + ; + + /* Device not found */ + if (cur->next != dev) + return -ENODEV; + + 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; +} + +int eth_initialize(void) +{ + int num_devices = 0; + + eth_devices = NULL; + eth_current = NULL; + eth_common_init(); + /* + * If board-specific initialization exists, call it. + * If not, call a CPU-specific one + */ + if (board_eth_init != __def_eth_init) { + if (board_eth_init(gd->bd) < 0) + printf("Board Net Initialization Failed\n"); + } else if (cpu_eth_init != __def_eth_init) { + if (cpu_eth_init(gd->bd) < 0) + printf("CPU Net Initialization Failed\n"); + } else { + printf("Net Initialization Skipped\n"); + } + + if (!eth_devices) { + puts("No ethernet found.\n"); + bootstage_error(BOOTSTAGE_ID_NET_ETH_START); + } else { + struct eth_device *dev = eth_devices; + char *ethprime = getenv("ethprime"); + + bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT); + do { + if (dev->index) + puts(", "); + + printf("%s", dev->name); + + if (ethprime && strcmp(dev->name, ethprime) == 0) { + eth_current = dev; + puts(" [PRIME]"); + } + + if (strchr(dev->name, ' ')) + puts("\nWarning: eth device name has a space!" + "\n"); + + eth_write_hwaddr(dev, "eth", dev->index); + + dev = dev->next; + num_devices++; + } while (dev != eth_devices); + + eth_current_changed(); + putc('\n'); + } + + return num_devices; +} + +#ifdef CONFIG_MCAST_TFTP +/* Multicast. + * mcast_addr: multicast ipaddr from which multicast Mac is made + * join: 1=join, 0=leave. + */ +int eth_mcast_join(struct in_addr mcast_ip, int join) +{ + u8 mcast_mac[6]; + if (!eth_current || !eth_current->mcast) + return -1; + mcast_mac[5] = htonl(mcast_ip.s_addr) & 0xff; + mcast_mac[4] = (htonl(mcast_ip.s_addr)>>8) & 0xff; + mcast_mac[3] = (htonl(mcast_ip.s_addr)>>16) & 0x7f; + mcast_mac[2] = 0x5e; + mcast_mac[1] = 0x0; + mcast_mac[0] = 0x1; + return eth_current->mcast(eth_current, mcast_mac, join); +} + +/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c + * and this is the ethernet-crc method needed for TSEC -- and perhaps + * some other adapter -- hash tables + */ +#define CRCPOLY_LE 0xedb88320 +u32 ether_crc(size_t len, unsigned char const *p) +{ + int i; + u32 crc; + crc = ~0; + while (len--) { + crc ^= *p++; + for (i = 0; i < 8; i++) + crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); + } + /* an reverse the bits, cuz of way they arrive -- last-first */ + crc = (crc >> 16) | (crc << 16); + crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00); + crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0); + crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc); + crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa); + return crc; +} + +#endif + + +int eth_init(void) +{ + struct eth_device *old_current; + + if (!eth_current) { + puts("No ethernet found.\n"); + return -ENODEV; + } + + old_current = eth_current; + do { + debug("Trying %s\n", eth_current->name); + + if (eth_current->init(eth_current, gd->bd) >= 0) { + eth_current->state = ETH_STATE_ACTIVE; + + return 0; + } + debug("FAIL\n"); + + eth_try_another(0); + } while (old_current != eth_current); + + return -ETIMEDOUT; +} + +void eth_halt(void) +{ + if (!eth_current) + return; + + eth_current->halt(eth_current); + + eth_current->state = ETH_STATE_PASSIVE; +} + +int eth_is_active(struct eth_device *dev) +{ + return dev && dev->state == ETH_STATE_ACTIVE; +} + +int eth_send(void *packet, int length) +{ + if (!eth_current) + return -ENODEV; + + return eth_current->send(eth_current, packet, length); +} + +int eth_rx(void) +{ + if (!eth_current) + return -ENODEV; + + return eth_current->recv(eth_current); +} + +#ifdef CONFIG_API +static void eth_save_packet(void *packet, int length) +{ + char *p = packet; + int i; + + if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) + return; + + if (PKTSIZE < length) + return; + + for (i = 0; i < length; i++) + eth_rcv_bufs[eth_rcv_last].data[i] = p[i]; + + eth_rcv_bufs[eth_rcv_last].length = length; + eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; +} + +int eth_receive(void *packet, int length) +{ + char *p = packet; + void *pp = push_packet; + int i; + + if (eth_rcv_current == eth_rcv_last) { + push_packet = eth_save_packet; + eth_rx(); + push_packet = pp; + + if (eth_rcv_current == eth_rcv_last) + return -1; + } + + 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]; + + eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX; + return length; +} +#endif /* CONFIG_API */ -- cgit v0.10.2