Files
systemd/src/network/networkd-sysctl.h
T
Yu Watanabe fb71748e4f network/sysctl: round IPv6 MTU with the current device MTU rather than the maximum MTU
Otherwise, writing IPv6 MTU may fail.

This also makes link_set_ipv6_mtu() take log level about rounding IPv6 MTU,
and downgrade the log level from LOG_WARNING -> LOG_INFO, as we usually
use LOG_WARNING for per-interface critical failure.
2024-04-10 12:15:33 +09:00

45 lines
1.7 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include "conf-parser.h"
typedef struct Link Link;
typedef struct Manager Manager;
typedef enum IPv6PrivacyExtensions {
/* These values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values. Do not reorder! */
IPV6_PRIVACY_EXTENSIONS_NO,
IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC,
IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */
IPV6_PRIVACY_EXTENSIONS_KERNEL, /* keep the kernel's default value */
_IPV6_PRIVACY_EXTENSIONS_MAX,
_IPV6_PRIVACY_EXTENSIONS_INVALID = -EINVAL,
} IPv6PrivacyExtensions;
typedef enum IPReversePathFilter {
/* These values map to the kernel's /proc/sys/net/ipv6/conf/xxx/rp_filter values. Do not reorder! */
IP_REVERSE_PATH_FILTER_NO,
IP_REVERSE_PATH_FILTER_STRICT,
IP_REVERSE_PATH_FILTER_LOOSE,
_IP_REVERSE_PATH_FILTER_MAX,
_IP_REVERSE_PATH_FILTER_INVALID = -EINVAL,
} IPReversePathFilter;
void manager_set_sysctl(Manager *manager);
int link_get_ip_forwarding(Link *link, int family);
int link_set_sysctl(Link *link);
int link_set_ipv6_mtu(Link *link, int log_level);
const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_;
IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_;
const char* ip_reverse_path_filter_to_string(IPReversePathFilter i) _const_;
IPReversePathFilter ip_reverse_path_filter_from_string(const char *s) _pure_;
CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_privacy_extensions);
CONFIG_PARSER_PROTOTYPE(config_parse_ip_reverse_path_filter);
CONFIG_PARSER_PROTOTYPE(config_parse_ip_forward_deprecated);