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net: Remove eth_legacy.c

Browse source 
As there are no more non-DM_ETH cases for networking, remove this legacy
file and update the Makefile to match current usage.

Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini 2022-11-27 10:25:36 -05:00
parent 9e0bcf8043
commit e524f3a449
8 changed files with 7 additions and 523 deletions
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3
boot/bootm.c
View file

@ -475,9 +475,6 @@ ulong bootm_disable_interrupts(void)
#ifdef CONFIG_NETCONSOLE
/* Stop the ethernet stack if NetConsole could have left it up */
eth_halt();
# ifndef CONFIG_DM_ETH
eth_unregister(eth_get_dev());
# endif
#endif
#if defined(CONFIG_CMD_USB)

2
cmd/net.c
View file

@ -597,7 +597,6 @@ U_BOOT_CMD(
#endif /* CONFIG_CMD_LINK_LOCAL */
#ifdef CONFIG_DM_ETH
static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
const struct udevice *current = eth_get_dev();
@ -640,7 +639,6 @@ U_BOOT_CMD(
"NET sub-system",
"list - list available devices\n"
);
#endif // CONFIG_DM_ETH
#if defined(CONFIG_CMD_NCSI)
static int do_ncsi(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])

10
cmd/usb.c
View file

@ -591,16 +591,6 @@ static void do_usb_start(void)
drv_usb_kbd_init();
# endif
#endif /* !CONFIG_DM_USB */
#ifdef CONFIG_USB_HOST_ETHER
# ifdef CONFIG_DM_ETH
# ifndef CONFIG_DM_USB
# error "You must use CONFIG_DM_USB if you want to use CONFIG_USB_HOST_ETHER with CONFIG_DM_ETH"
# endif
# else
/* try to recognize ethernet devices immediately */
usb_ether_curr_dev = usb_host_eth_scan(1);
# endif
#endif
}
#ifdef CONFIG_DM_USB

4
drivers/net/Kconfig
View file

@ -15,6 +15,10 @@ config DM_ETH
This is currently implemented in net/eth-uclass.c
Look in include/net.h for details.
config SPL_DM_ETH
depends on SPL_NET
def_bool y
config DM_MDIO
bool "Enable Driver Model for MDIO devices"
depends on PHYLIB

71
include/net.h
View file

@ -101,7 +101,6 @@ enum eth_state_t {
ETH_STATE_ACTIVE
};
#ifdef CONFIG_DM_ETH
/**
* struct eth_pdata - Platform data for Ethernet MAC controllers
*
@ -180,76 +179,6 @@ unsigned char *eth_get_ethaddr(void); /* get the current device MAC */
int eth_is_active(struct udevice *dev); /* Test device for active state */
int eth_init_state_only(void); /* Set active state */
void eth_halt_state_only(void); /* Set passive state */
#endif
#ifndef CONFIG_DM_ETH
struct eth_device {
#define ETH_NAME_LEN 20
char name[ETH_NAME_LEN];
unsigned char enetaddr[ARP_HLEN];
phys_addr_t iobase;
int state;
int (*init)(struct eth_device *eth, struct bd_info *bd);
int (*send)(struct eth_device *, void *packet, int length);
int (*recv)(struct eth_device *);
void (*halt)(struct eth_device *);
int (*mcast)(struct eth_device *, const u8 *enetaddr, int join);
int (*write_hwaddr)(struct eth_device *eth);
struct eth_device *next;
int index;
void *priv;
};
int eth_register(struct eth_device *dev);/* Register network device */
int eth_unregister(struct eth_device *dev);/* Remove network device */
extern struct eth_device *eth_current;
static __always_inline struct eth_device *eth_get_dev(void)
{
return eth_current;
}
struct eth_device *eth_get_dev_by_name(const char *devname);
struct eth_device *eth_get_dev_by_index(int index); /* get dev @ index */
/* get the current device MAC */
static inline unsigned char *eth_get_ethaddr(void)
{
if (eth_current)
return eth_current->enetaddr;
return NULL;
}
/* Used only when NetConsole is enabled */
int eth_is_active(struct eth_device *dev); /* Test device for active state */
/* Set active state */
static __always_inline int eth_init_state_only(void)
{
eth_get_dev()->state = ETH_STATE_ACTIVE;
return 0;
}
/* Set passive state */
static __always_inline void eth_halt_state_only(void)
{
eth_get_dev()->state = ETH_STATE_PASSIVE;
}
/*
* Set the hardware address for an ethernet interface based on 'eth%daddr'
* environment variable (or just 'ethaddr' if eth_number is 0).
* Args:
* base_name - base name for device (normally "eth")
* eth_number - value of %d (0 for first device of this type)
* Returns:
* 0 is success, non-zero is error status from driver.
*/
int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
int eth_number);
int usb_eth_initialize(struct bd_info *bi);
#endif
int eth_initialize(void); /* Initialize network subsystem */
void eth_try_another(int first_restart); /* Change the device */

10
net/Makefile
View file

@ -10,18 +10,14 @@ obj-$(CONFIG_CMD_BOOTP) += bootp.o
obj-$(CONFIG_CMD_CDP) += cdp.o
obj-$(CONFIG_CMD_DNS) += dns.o
obj-$(CONFIG_DM_DSA) += dsa-uclass.o
ifdef CONFIG_DM_ETH
obj-$(CONFIG_NET) += eth-uclass.o
obj-$(CONFIG_$(SPL_)DM_ETH) += eth-uclass.o
obj-$(CONFIG_$(SPL_TPL_)BOOTDEV_ETH) += eth_bootdev.o
else
obj-$(CONFIG_NET) += eth_legacy.o
endif
obj-$(CONFIG_DM_MDIO) += mdio-uclass.o
obj-$(CONFIG_DM_MDIO_MUX) += mdio-mux-uclass.o
obj-$(CONFIG_NET) += eth_common.o
obj-$(CONFIG_$(SPL_)DM_ETH) += eth_common.o
obj-$(CONFIG_CMD_LINK_LOCAL) += link_local.o
obj-$(CONFIG_IPV6) += ndisc.o
obj-$(CONFIG_NET) += net.o
obj-$(CONFIG_$(SPL_)DM_ETH) += net.o
obj-$(CONFIG_IPV6) += net6.o
obj-$(CONFIG_CMD_NFS) += nfs.o
obj-$(CONFIG_CMD_PING) += ping.o

4
net/eth_internal.h
View file

@ -29,11 +29,7 @@ int eth_env_set_enetaddr_by_index(const char *base_name, int index,
int eth_mac_skip(int index);
void eth_current_changed(void);
#ifdef CONFIG_DM_ETH
void eth_set_dev(struct udevice *dev);
#else
void eth_set_dev(struct eth_device *dev);
#endif
void eth_set_current_to_next(void);
#endif

426
net/eth_legacy.c
View file

@ -1,426 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001-2015
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Joe Hershberger, National Instruments
*/
#include <common.h>
#include <bootstage.h>
#include <command.h>
#include <dm.h>
#include <env.h>
#include <log.h>
#include <net.h>
#include <phy.h>
#include <asm/global_data.h>
#include <linux/bug.h>
#include <linux/errno.h>
#include <net/pcap.h>
#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(struct bd_info *bis)
{
return -1;
}
int cpu_eth_init(struct bd_info *bis) __attribute__((weak, alias("__def_eth_init")));
int board_eth_init(struct bd_info *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 = dectoul(name + 3, NULL);
dev = eth_devices;
do {
if (dev->index == index) {
switch (op) {
case env_op_create:
case env_op_overwrite:
string_to_enetaddr(value, dev->enetaddr);
eth_write_hwaddr(dev, "eth", dev->index);
break;
case env_op_delete:
memset(dev->enetaddr, 0, ARP_HLEN);
}
}
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[ARP_HLEN];
int ret = 0;
eth_env_get_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, ARP_HLEN)) {
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, ARP_HLEN);
} else if (is_valid_ethaddr(dev->enetaddr)) {
eth_env_set_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);
eth_env_set_enetaddr_by_index("eth", 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) {
log_err("No ethernet found.\n");
bootstage_error(BOOTSTAGE_ID_NET_ETH_START);
} else {
struct eth_device *dev = eth_devices;
char *ethprime = env_get("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;
}
/* 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[ARP_HLEN];
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);
}
int eth_init(void)
{
struct eth_device *old_current;
if (!eth_current) {
log_err("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)
{
int ret;
if (!eth_current)
return -ENODEV;
ret = eth_current->send(eth_current, packet, length);
#if defined(CONFIG_CMD_PCAP)
if (ret >= 0)
pcap_post(packet, length, true);
#endif
return ret;
}
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 */