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

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <linux/fib_rules.h>
   5
   6 #include "in-addr-prefix-util.h"
   7 #include "networkd-forward.h"
   8 #include "networkd-util.h"
   9
  10 typedef struct RoutingPolicyRule {
  11         Manager *manager;
  12         Network *network;
  13         ConfigSection *section;
  14         NetworkConfigSource source;
  15         NetworkConfigState state;
  16
  17         unsigned n_ref;
  18
  19         /* struct fib_rule_hdr */
  20         AddressFamily address_family; /* Used when parsing Family= */
  21         int family; /* Automatically determined by From=, To=, and Family= */
  22         uint8_t tos;
  23         uint8_t action;
  24         uint32_t flags;
  25
  26         /* attributes */
  27         struct in_addr_prefix to; /* FRA_DST */
  28         struct in_addr_prefix from; /* FRA_SRC */
  29         char *iif; /* FRA_IIFNAME */
  30         uint32_t priority_goto; /* FRA_GOTO */
  31         bool priority_set;
  32         uint32_t priority; /* FRA_PRIORITY */
  33         uint32_t fwmark; /* FRA_FWMARK */
  34         uint32_t realms; /* FRA_FLOW (IPv4 only) */
  35         uint64_t tunnel_id; /* FRA_TUN_ID */
  36         int32_t suppress_ifgroup; /* FRA_SUPPRESS_IFGROUP */
  37         int32_t suppress_prefixlen; /* FRA_SUPPRESS_PREFIXLEN */
  38         uint32_t table; /* FRA_TABLE, also used in struct fib_rule_hdr */
  39         uint32_t fwmask; /* FRA_FWMASK */
  40         char *oif; /* FRA_OIFNAME */
  41         bool l3mdev; /* FRA_L3MDEV */
  42         struct fib_rule_uid_range uid_range; /* FRA_UID_RANGE */
  43         uint8_t protocol; /* FRA_PROTOCOL */
  44         uint8_t ipproto; /* FRA_IP_PROTO */
  45         struct fib_rule_port_range sport; /* FRA_SPORT_RANGE */
  46         struct fib_rule_port_range dport; /* FRA_DPORT_RANGE */
  47 } RoutingPolicyRule;
  48
  49 int fr_act_type_from_string(const char *s) _pure_;
  50 const char* fr_act_type_to_string(int t) _const_;
  51
  52 RoutingPolicyRule* routing_policy_rule_ref(RoutingPolicyRule *rule);
  53 RoutingPolicyRule* routing_policy_rule_unref(RoutingPolicyRule *rule);
  54
  55 void network_drop_invalid_routing_policy_rules(Network *network);
  56
  57 int link_request_static_routing_policy_rules(Link *link);
  58
  59 int manager_rtnl_process_rule(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
  60
  61 int link_drop_routing_policy_rules(Link *link, bool only_static);
  62 static inline int link_drop_unmanaged_routing_policy_rules(Link *link) {
  63         return link_drop_routing_policy_rules(link, false);
  64 }
  65 static inline int link_drop_static_routing_policy_rules(Link *link) {
  66         return link_drop_routing_policy_rules(link, true);
  67 }
  68
  69 DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(RoutingPolicyRule, routing_policy_rule);
  70
  71 typedef enum RoutingPolicyRuleConfParserType {
  72         ROUTING_POLICY_RULE_IIF,
  73         ROUTING_POLICY_RULE_OIF,
  74         ROUTING_POLICY_RULE_FAMILY,
  75         ROUTING_POLICY_RULE_FWMARK,
  76         ROUTING_POLICY_RULE_GOTO,
  77         ROUTING_POLICY_RULE_INVERT,
  78         ROUTING_POLICY_RULE_IP_PROTOCOL,
  79         ROUTING_POLICY_RULE_L3MDEV,
  80         ROUTING_POLICY_RULE_SPORT,
  81         ROUTING_POLICY_RULE_DPORT,
  82         ROUTING_POLICY_RULE_FROM,
  83         ROUTING_POLICY_RULE_TO,
  84         ROUTING_POLICY_RULE_PRIORITY,
  85         ROUTING_POLICY_RULE_SUPPRESS_IFGROUP,
  86         ROUTING_POLICY_RULE_SUPPRESS_PREFIXLEN,
  87         ROUTING_POLICY_RULE_TABLE,
  88         ROUTING_POLICY_RULE_TOS,
  89         ROUTING_POLICY_RULE_ACTION,
  90         ROUTING_POLICY_RULE_UID_RANGE,
  91         _ROUTING_POLICY_RULE_CONF_PARSER_MAX,
  92         _ROUTING_POLICY_RULE_CONF_PARSER_INVALID = -EINVAL,
  93 } RoutingPolicyRuleConfParserType;
  94
  95 CONFIG_PARSER_PROTOTYPE(config_parse_routing_policy_rule);