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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Allied Telesis Labs NZ
* Chris Packham, <judge.packham@gmail.com>
*
* Copyright (C) 2022 YADRO
* Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
*/
/* Simple IPv6 network layer implementation */
#include <common.h>
#include <env_internal.h>
#include <malloc.h>
#include <net.h>
#include <net6.h>
/* NULL IPv6 address */
struct in6_addr const net_null_addr_ip6 = ZERO_IPV6_ADDR;
/* Our gateway's IPv6 address */
struct in6_addr net_gateway6 = ZERO_IPV6_ADDR;
/* Our IPv6 addr (0 = unknown) */
struct in6_addr net_ip6 = ZERO_IPV6_ADDR;
/* Our link local IPv6 addr (0 = unknown) */
struct in6_addr net_link_local_ip6 = ZERO_IPV6_ADDR;
/* set server IPv6 addr (0 = unknown) */
struct in6_addr net_server_ip6 = ZERO_IPV6_ADDR;
/* The prefix length of our network */
u32 net_prefix_length;
bool use_ip6;
static int on_ip6addr(const char *name, const char *value, enum env_op op,
int flags)
{
char *mask;
size_t len;
if (flags & H_PROGRAMMATIC)
return 0;
if (op == env_op_delete) {
net_prefix_length = 0;
net_copy_ip6(&net_ip6, &net_null_addr_ip6);
return 0;
}
mask = strchr(value, '/');
len = strlen(value);
if (mask)
net_prefix_length = simple_strtoul(value + len, NULL, 10);
return string_to_ip6(value, len, &net_ip6);
}
U_BOOT_ENV_CALLBACK(ip6addr, on_ip6addr);
static int on_gatewayip6(const char *name, const char *value, enum env_op op,
int flags)
{
if (flags & H_PROGRAMMATIC)
return 0;
return string_to_ip6(value, strlen(value), &net_gateway6);
}
U_BOOT_ENV_CALLBACK(gatewayip6, on_gatewayip6);
static int on_serverip6(const char *name, const char *value, enum env_op op,
int flags)
{
if (flags & H_PROGRAMMATIC)
return 0;
return string_to_ip6(value, strlen(value), &net_server_ip6);
}
U_BOOT_ENV_CALLBACK(serverip6, on_serverip6);
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