Defaults to unset.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>AssociatedWith=</varname></term>
+ <listitem>
+ <para>Specifies where the address is associated with. Takes one of <literal>use</literal>,
+ <literal>self</literal>, <literal>master</literal> or <literal>router</literal>.
+ <literal>use</literal> means the address is in use. User space can use this option to
+ indicate to the kernel that the fdb entry is in use. <literal>self</literal> means
+ the address is associated with the port drivers fdb. Usually hardware. <literal>master</literal>
+ means the address is associated with master devices fdb. <literal>router</literal> means
+ the destination address is associated with a router. Note that it's valid if the referenced
+ device is a VXLAN type device and has route shortcircuit enabled. Defaults to <literal>self</literal>.</para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect1>
#include "networkd-manager.h"
#include "parse-util.h"
#include "string-util.h"
+#include "string-table.h"
#include "util.h"
#include "vlan-util.h"
#define STATIC_FDB_ENTRIES_PER_NETWORK_MAX 1024U
+static const char* const fdb_ntf_flags_table[_NEIGHBOR_CACHE_ENTRY_FLAGS_MAX] = {
+ [NEIGHBOR_CACHE_ENTRY_FLAGS_USE] = "use",
+ [NEIGHBOR_CACHE_ENTRY_FLAGS_SELF] = "self",
+ [NEIGHBOR_CACHE_ENTRY_FLAGS_MASTER] = "master",
+ [NEIGHBOR_CACHE_ENTRY_FLAGS_ROUTER] = "router",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(fdb_ntf_flags, NeighborCacheEntryFlags);
+
/* create a new FDB entry or get an existing one. */
static int fdb_entry_new_static(
Network *network,
.network = network,
.mac_addr = TAKE_PTR(mac_addr),
.vni = VXLAN_VID_MAX + 1,
+ .fdb_ntf_flags = NEIGHBOR_CACHE_ENTRY_FLAGS_SELF,
};
LIST_PREPEND(static_fdb_entries, network->static_fdb_entries, fdb_entry);
/* send a request to the kernel to add a FDB entry in its static MAC table. */
int fdb_entry_configure(Link *link, FdbEntry *fdb_entry) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
- sd_netlink *rtnl;
- Bridge *bridge;
- uint8_t flags;
int r;
assert(link);
assert(link->manager);
assert(fdb_entry);
- rtnl = link->manager->rtnl;
- bridge = BRIDGE(link->network->bridge);
-
/* create new RTM message */
- r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_NEWNEIGH, link->ifindex, PF_BRIDGE);
+ r = sd_rtnl_message_new_neigh(link->manager->rtnl, &req, RTM_NEWNEIGH, link->ifindex, PF_BRIDGE);
if (r < 0)
return rtnl_log_create_error(r);
- if (bridge)
- flags = NTF_MASTER;
- else
- flags = NTF_SELF;
-
- r = sd_rtnl_message_neigh_set_flags(req, flags);
+ r = sd_rtnl_message_neigh_set_flags(req, fdb_entry->fdb_ntf_flags);
if (r < 0)
return rtnl_log_create_error(r);
}
/* send message to the kernel to update its internal static MAC table. */
- r = netlink_call_async(rtnl, NULL, req, set_fdb_handler,
+ r = netlink_call_async(link->manager->rtnl, NULL, req, set_fdb_handler,
link_netlink_destroy_callback, link);
if (r < 0)
return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
return 0;
}
+
+
+int config_parse_fdb_ntf_flags(
+ 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) {
+
+ _cleanup_(fdb_entry_free_or_set_invalidp) FdbEntry *fdb_entry = NULL;
+ Network *network = userdata;
+ NeighborCacheEntryFlags f;
+ int r;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = fdb_entry_new_static(network, filename, section_line, &fdb_entry);
+ if (r < 0)
+ return log_oom();
+
+ f = fdb_ntf_flags_from_string(rvalue);
+ if (f < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0,
+ "FDB failed to parse AssociatedWith=, ignoring assignment: %s",
+ rvalue);
+ return 0;
+ }
+
+ fdb_entry->fdb_ntf_flags = f;
+ fdb_entry = NULL;
+
+ return 0;
+}
Copyright © 2014 Intel Corporation. All rights reserved.
***/
+#include <linux/neighbour.h>
+
#include "conf-parser.h"
#include "list.h"
#include "macro.h"
typedef struct Link Link;
typedef struct NetworkConfigSection NetworkConfigSection;
+typedef enum NeighborCacheEntryFlags {
+ NEIGHBOR_CACHE_ENTRY_FLAGS_USE = NTF_USE,
+ NEIGHBOR_CACHE_ENTRY_FLAGS_SELF = NTF_SELF,
+ NEIGHBOR_CACHE_ENTRY_FLAGS_MASTER = NTF_MASTER,
+ NEIGHBOR_CACHE_ENTRY_FLAGS_ROUTER = NTF_ROUTER,
+ _NEIGHBOR_CACHE_ENTRY_FLAGS_MAX,
+ _NEIGHBOR_CACHE_ENTRY_FLAGS_INVALID = -1,
+} NeighborCacheEntryFlags;
+
struct FdbEntry {
Network *network;
NetworkConfigSection *section;
struct ether_addr *mac_addr;
union in_addr_union destination_addr;
+ NeighborCacheEntryFlags fdb_ntf_flags;
LIST_FIELDS(FdbEntry, static_fdb_entries);
};
DEFINE_NETWORK_SECTION_FUNCTIONS(FdbEntry, fdb_entry_free);
+const char* fdb_ntf_flags_to_string(NeighborCacheEntryFlags i) _const_;
+NeighborCacheEntryFlags fdb_ntf_flags_from_string(const char *s) _pure_;
+
CONFIG_PARSER_PROTOTYPE(config_parse_fdb_hwaddr);
CONFIG_PARSER_PROTOTYPE(config_parse_fdb_vlan_id);
CONFIG_PARSER_PROTOTYPE(config_parse_fdb_destination);
CONFIG_PARSER_PROTOTYPE(config_parse_fdb_vxlan_vni);
+CONFIG_PARSER_PROTOTYPE(config_parse_fdb_ntf_flags);
BridgeFDB.VLANId, config_parse_fdb_vlan_id, 0, 0
BridgeFDB.Destination, config_parse_fdb_destination, 0, 0
BridgeFDB.VNI, config_parse_fdb_vxlan_vni, 0, 0
+BridgeFDB.AssociatedWith, config_parse_fdb_ntf_flags, 0, 0
BridgeVLAN.PVID, config_parse_brvlan_pvid, 0, 0
BridgeVLAN.VLAN, config_parse_brvlan_vlan, 0, 0
BridgeVLAN.EgressUntagged, config_parse_brvlan_untagged, 0, 0