networkd: Fix race condition in [RoutingPolicyRule] handling (#7615)

[thirdparty/systemd.git] / src / network / networkd-link.h

diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
index 3964a12f37e6ffd6b0ad5fe9a18df16454f4ceef..8aaaa679ff364f19ca5059d679c227950d05e0f0 100644 (file)
--- a/src/network/networkd-link.h
+++ b/src/network/networkd-link.h
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
@@ -23,14 +22,18 @@
 
 #include <endian.h>
 
+#include "sd-bus.h"
 #include "sd-dhcp-client.h"
 #include "sd-dhcp-server.h"
 #include "sd-dhcp6-client.h"
 #include "sd-ipv4ll.h"
 #include "sd-lldp.h"
 #include "sd-ndisc.h"
+#include "sd-radv.h"
+#include "sd-netlink.h"
 
-typedef struct Link Link;
+#include "list.h"
+#include "set.h"
 
 typedef enum LinkState {
         LINK_STATE_PENDING,
@@ -56,17 +59,19 @@ typedef enum LinkOperationalState {
         _LINK_OPERSTATE_INVALID = -1
 } LinkOperationalState;
 
-#include "networkd-address.h"
-#include "networkd-network.h"
-#include "networkd.h"
+typedef struct Manager Manager;
+typedef struct Network Network;
+typedef struct Address Address;
 
-struct Link {
+typedef struct Link {
         Manager *manager;
 
         int n_ref;
 
         int ifindex;
         char *ifname;
+        char *kind;
+        unsigned short iftype;
         char *state_file;
         struct ether_addr mac;
         struct in6_addr ipv6ll_address;
@@ -81,7 +86,11 @@ struct Link {
         LinkState state;
         LinkOperationalState operstate;
 
-        unsigned link_messages;
+        unsigned address_messages;
+        unsigned address_label_messages;
+        unsigned route_messages;
+        unsigned routing_policy_rule_messages;
+        unsigned routing_policy_rule_remove_messages;
         unsigned enslaving;
 
         Set *addresses;
@@ -96,6 +105,7 @@ struct Link {
         unsigned dhcp4_messages;
         bool dhcp4_configured;
         bool dhcp6_configured;
+
         unsigned ndisc_messages;
         bool ndisc_configured;
 
@@ -103,22 +113,34 @@ struct Link {
         bool ipv4ll_address:1;
         bool ipv4ll_route:1;
 
-        bool static_configured;
+        bool static_routes_configured;
+        bool routing_policy_rules_configured;
+        bool setting_mtu;
 
         LIST_HEAD(Address, pool_addresses);
 
         sd_dhcp_server *dhcp_server;
 
-        sd_ndisc *ndisc_router_discovery;
+        sd_ndisc *ndisc;
+        Set *ndisc_rdnss;
+        Set *ndisc_dnssl;
+
+        sd_radv *radv;
+
         sd_dhcp6_client *dhcp6_client;
         bool rtnl_extended_attrs;
 
+        /* This is about LLDP reception */
         sd_lldp *lldp;
         char *lldp_file;
 
+        /* This is about LLDP transmission */
+        unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */
+        sd_event_source *lldp_emit_event_source;
+
         Hashmap *bound_by_links;
         Hashmap *bound_to_links;
-};
+} Link;
 
 Link *link_unref(Link *link);
 Link *link_ref(Link *link);
@@ -126,6 +148,9 @@ int link_get(Manager *m, int ifindex, Link **ret);
 int link_add(Manager *manager, sd_netlink_message *message, Link **ret);
 void link_drop(Link *link);
 
+int link_up(Link *link);
+int link_down(Link *link);
+
 int link_address_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
 int link_route_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);
 
@@ -147,22 +172,12 @@ bool link_has_carrier(Link *link);
 int link_ipv6ll_gained(Link *link, const struct in6_addr *address);
 
 int link_set_mtu(Link *link, uint32_t mtu);
-int link_set_hostname(Link *link, const char *hostname);
-int link_set_timezone(Link *link, const char *timezone);
 
 int ipv4ll_configure(Link *link);
 int dhcp4_configure(Link *link);
+int dhcp4_set_promote_secondaries(Link *link);
 int dhcp6_configure(Link *link);
-int dhcp6_request_address(Link *link);
-int ndisc_configure(Link *link);
-
-bool link_lldp_enabled(Link *link);
-bool link_ipv4ll_enabled(Link *link);
-bool link_ipv6ll_enabled(Link *link);
-bool link_dhcp4_server_enabled(Link *link);
-bool link_dhcp4_enabled(Link *link);
-bool link_dhcp6_enabled(Link *link);
-bool link_ipv6_accept_ra_enabled(Link *link);
+int dhcp6_request_address(Link *link, int ir);
 
 const char* link_state_to_string(LinkState s) _const_;
 LinkState link_state_from_string(const char *s) _pure_;
@@ -183,8 +198,8 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
 
 #define log_link_full(link, level, error, ...)                          \
         ({                                                              \
-                Link *_l = (link);                                      \
-                _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, ##__VA_ARGS__) : \
+                const Link *_l = (link);                                \
+                _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, NULL, NULL, ##__VA_ARGS__) : \
                         log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \
         })                                                              \