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

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5 #include <netinet/in.h>
   6 #include <linux/fib_rules.h>
   7 #include <stdbool.h>
   8
   9 #include "in-addr-util.h"
  10 #include "conf-parser.h"
  11
  12 typedef struct RoutingPolicyRule RoutingPolicyRule;
  13
  14 #include "networkd-link.h"
  15 #include "networkd-network.h"
  16 #include "networkd-util.h"
  17
  18 typedef struct Network Network;
  19 typedef struct Link Link;
  20 typedef struct NetworkConfigSection NetworkConfigSection;
  21 typedef struct Manager Manager;
  22
  23 struct RoutingPolicyRule {
  24         Manager *manager;
  25         Network *network;
  26         Link *link;
  27         NetworkConfigSection *section;
  28
  29         bool invert_rule;
  30
  31         uint8_t tos;
  32         uint8_t protocol;
  33
  34         uint32_t table;
  35         uint32_t fwmark;
  36         uint32_t fwmask;
  37         uint32_t priority;
  38
  39         int family;
  40         unsigned char to_prefixlen;
  41         unsigned char from_prefixlen;
  42
  43         char *iif;
  44         char *oif;
  45
  46         union in_addr_union to;
  47         union in_addr_union from;
  48
  49         struct fib_rule_port_range sport;
  50         struct fib_rule_port_range dport;
  51
  52         LIST_FIELDS(RoutingPolicyRule, rules);
  53 };
  54
  55 int routing_policy_rule_new(RoutingPolicyRule **ret);
  56 void routing_policy_rule_free(RoutingPolicyRule *rule);
  57
  58 DEFINE_NETWORK_SECTION_FUNCTIONS(RoutingPolicyRule, routing_policy_rule_free);
  59
  60 int routing_policy_rule_configure(RoutingPolicyRule *address, Link *link, link_netlink_message_handler_t callback, bool update);
  61 int routing_policy_rule_remove(RoutingPolicyRule *routing_policy_rule, Link *link, link_netlink_message_handler_t callback);
  62
  63 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,
  64                             uint8_t tos, uint32_t fwmark, uint32_t table, const char *iif, const char *oif, uint8_t protocol, const struct fib_rule_port_range *sport,
  65                             const struct fib_rule_port_range *dport, RoutingPolicyRule **ret);
  66 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,
  67                                     uint8_t tos, uint32_t fwmark, uint32_t table, const char *iif, const char *oif, uint8_t protocol, const struct fib_rule_port_range *sport,
  68                                     const struct fib_rule_port_range *dport, RoutingPolicyRule **ret);
  69 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,
  70                             uint32_t fwmark, uint32_t table, const char *iif, const char *oif, uint8_t protocol, struct fib_rule_port_range *sport,
  71                             struct fib_rule_port_range *dport, RoutingPolicyRule **ret);
  72 int routing_policy_rule_make_local(Manager *m, RoutingPolicyRule *rule);
  73 int routing_policy_serialize_rules(Set *rules, FILE *f);
  74 int routing_policy_load_rules(const char *state_file, Set **rules);
  75 void routing_policy_rule_purge(Manager *m, Link *link);
  76
  77 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_tos);
  78 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_table);
  79 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_fwmark_mask);
  80 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_prefix);
  81 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_priority);
  82 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_device);
  83 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_port_range);
  84 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_ip_protocol);
  85 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule_invert);