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

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