src/network/networkd-routing-policy-rule.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2017 Susant Sahani
   8
   9   systemd is free software; you can redistribute it and/or modify it
  10   under the terms of the GNU Lesser General Public License as published by
  11   the Free Software Foundation; either version 2.1 of the License, or
  12   (at your option) any later version.
  13
  14   systemd is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  21 ***/
  22
  23 #include <inttypes.h>
  24 #include <stdbool.h>
  25
  26 #include "in-addr-util.h"
  27
  28 typedef struct RoutingPolicyRule RoutingPolicyRule;
  29
  30 #include "networkd-link.h"
  31 #include "networkd-network.h"
  32
  33 typedef struct Network Network;
  34 typedef struct Link Link;
  35 typedef struct NetworkConfigSection NetworkConfigSection;
  36
  37 struct RoutingPolicyRule {
  38         Network *network;
  39         Link *link;
  40         NetworkConfigSection *section;
  41
  42         uint8_t tos;
  43
  44         uint32_t table;
  45         uint32_t fwmark;
  46         uint32_t fwmask;
  47         uint32_t priority;
  48
  49         int family;
  50         unsigned char to_prefixlen;
  51         unsigned char from_prefixlen;
  52
  53         union in_addr_union to;
  54         union in_addr_union from;
  55
  56         LIST_FIELDS(RoutingPolicyRule, rules);
  57 };
  58
  59 int routing_policy_rule_new(RoutingPolicyRule **ret);
  60 void routing_policy_rule_free(RoutingPolicyRule *rule);
  61
  62 DEFINE_TRIVIAL_CLEANUP_FUNC(RoutingPolicyRule*, routing_policy_rule_free);
  63 #define _cleanup_routing_policy_rule_free_ _cleanup_(routing_policy_rule_freep)
  64
  65 int routing_policy_rule_configure(RoutingPolicyRule *address, Link *link, sd_netlink_message_handler_t callback, bool update);
  66 int routing_policy_rule_remove(RoutingPolicyRule *routing_policy_rule, Link *link, sd_netlink_message_handler_t callback);
  67 int link_routing_policy_rule_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
  68 int link_routing_policy_rule_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
  69
  70 int routing_policy_rule_add(Manager *m, int family, const union in_addr_union *from, uint8_t from_prefixlen, const union in_addr_union *to, uint8_t to_prefixlen,
  71                             uint8_t tos, uint32_t fwmark, uint32_t table, RoutingPolicyRule **ret);
  72 int routing_policy_rule_add_foreign(Manager *m, int family, const union in_addr_union *from, uint8_t from_prefixlen, const union in_addr_union *to, uint8_t to_prefixlen,
  73                                     uint8_t tos, uint32_t fwmark, uint32_t table, RoutingPolicyRule **ret);
  74 int routing_policy_rule_get(Manager *m, int family, const union in_addr_union *from, uint8_t from_prefixlen, const union in_addr_union *to, uint8_t to_prefixlen, uint8_t tos,
  75                             uint32_t fwmark, uint32_t table, RoutingPolicyRule **ret);
  76 int routing_policy_rule_make_local(Manager *m, RoutingPolicyRule *rule);
  77 int routing_policy_rule_load(Manager *m);
  78 void routing_policy_rule_purge(Manager *m, Link *link);
  79
  80 int config_parse_routing_policy_rule_tos(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data,void *userdata);
  81 int config_parse_routing_policy_rule_table(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
  82 int config_parse_routing_policy_rule_fwmark_mask(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
  83 int config_parse_routing_policy_rule_prefix(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
  84 int config_parse_routing_policy_rule_priority(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data,void *userdata);