[systemd-devel] [PATCH v3] Add FDB support

Tom Gundersen teg at jklm.no
Thu Dec 18 06:45:48 PST 2014


Hi Alin,

Looks good. I changed the title a bit (addedd "networkd:") and dropped
the signed off by, as we don't use that, and pushed it.

Thanks for your work!

Cheers,

Tom

On Wed, Dec 17, 2014 at 4:35 PM, Alin Rauta <alin.rauta at intel.com> wrote:
> Signed-off-by: Alin Rauta <alin.rauta at intel.com>
> ---
>  Makefile.am                              |   1 +
>  man/systemd.network.xml                  |  22 +++
>  src/libsystemd/sd-rtnl/rtnl-message.c    |  56 ++++++-
>  src/libsystemd/sd-rtnl/rtnl-types.c      |  15 +-
>  src/network/networkd-fdb.c               | 252 +++++++++++++++++++++++++++++++
>  src/network/networkd-link.c              |  19 +++
>  src/network/networkd-network-gperf.gperf |   2 +
>  src/network/networkd-network.c           |  13 +-
>  src/network/networkd.h                   |  29 ++++
>  src/systemd/sd-rtnl.h                    |   4 +
>  10 files changed, 402 insertions(+), 11 deletions(-)
>  create mode 100644 src/network/networkd-fdb.c
>
> diff --git a/Makefile.am b/Makefile.am
> index ab07d3b..6896c4b 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -5281,6 +5281,7 @@ libsystemd_networkd_core_la_SOURCES = \
>         src/network/networkd-address.c \
>         src/network/networkd-route.c \
>         src/network/networkd-manager.c \
> +       src/network/networkd-fdb.c \
>         src/network/networkd-address-pool.c
>
>  nodist_libsystemd_networkd_core_la_SOURCES = \
> diff --git a/man/systemd.network.xml b/man/systemd.network.xml
> index 79c7a23..360c57c 100644
> --- a/man/systemd.network.xml
> +++ b/man/systemd.network.xml
> @@ -549,6 +549,28 @@
>          </refsect1>
>
>          <refsect1>
> +                <title>[BridgeFDB] Section Options</title>
> +                        <para>The <literal>[BridgeFDB]</literal> section manages the forwarding database table of a port and accepts the following keys. Specify
> +                        several <literal>[BridgeFDB]</literal> sections to configure several static MAC table entries.</para>
> +
> +                        <variablelist class='network-directives'>
> +                                <varlistentry>
> +                                        <term><varname>MACAddress=</varname></term>
> +                                        <listitem>
> +                                                <para>As in the <literal>[Network]</literal> section. This key is mandatory.</para>
> +                                        </listitem>
> +                                </varlistentry>
> +                                <varlistentry>
> +                                        <term><varname>VLANId=</varname></term>
> +                                        <listitem>
> +                                                <para>The VLAN Id for the new static MAC table entry.
> +                                                If omitted, no VLAN Id info is appended to the new static MAC table entry.</para>
> +                                        </listitem>
> +                                </varlistentry>
> +                        </variablelist>
> +        </refsect1>
> +
> +        <refsect1>
>                  <title>Example</title>
>                  <example>
>                          <title>/etc/systemd/network/50-static.network</title>
> diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c
> index 165e84d..9099440 100644
> --- a/src/libsystemd/sd-rtnl/rtnl-message.c
> +++ b/src/libsystemd/sd-rtnl/rtnl-message.c
> @@ -220,6 +220,58 @@ int sd_rtnl_message_new_route(sd_rtnl *rtnl, sd_rtnl_message **ret,
>          return 0;
>  }
>
> +int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags) {
> +        struct ndmsg *ndm;
> +
> +        assert_return(m, -EINVAL);
> +        assert_return(m->hdr, -EINVAL);
> +        assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL);
> +
> +        ndm = NLMSG_DATA(m->hdr);
> +        ndm->ndm_flags |= flags;
> +
> +        return 0;
> +}
> +
> +int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state) {
> +        struct ndmsg *ndm;
> +
> +        assert_return(m, -EINVAL);
> +        assert_return(m->hdr, -EINVAL);
> +        assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL);
> +
> +        ndm = NLMSG_DATA(m->hdr);
> +        ndm->ndm_state |= state;
> +
> +        return 0;
> +}
> +
> +int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags) {
> +        struct ndmsg *ndm;
> +
> +        assert_return(m, -EINVAL);
> +        assert_return(m->hdr, -EINVAL);
> +        assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL);
> +
> +        ndm = NLMSG_DATA(m->hdr);
> +        *flags = ndm->ndm_flags;
> +
> +        return 0;
> +}
> +
> +int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state) {
> +        struct ndmsg *ndm;
> +
> +        assert_return(m, -EINVAL);
> +        assert_return(m->hdr, -EINVAL);
> +        assert_return(rtnl_message_type_is_neigh(m->hdr->nlmsg_type), -EINVAL);
> +
> +        ndm = NLMSG_DATA(m->hdr);
> +        *state = ndm->ndm_state;
> +
> +        return 0;
> +}
> +
>  int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family) {
>          struct ndmsg *ndm;
>
> @@ -255,7 +307,9 @@ int sd_rtnl_message_new_neigh(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t nlm
>          int r;
>
>          assert_return(rtnl_message_type_is_neigh(nlmsg_type), -EINVAL);
> -        assert_return(ndm_family == AF_INET || ndm_family == AF_INET6, -EINVAL);
> +        assert_return(ndm_family == AF_INET  ||
> +                      ndm_family == AF_INET6 ||
> +                      ndm_family == PF_BRIDGE, -EINVAL);
>          assert_return(ret, -EINVAL);
>
>          r = message_new(rtnl, ret, nlmsg_type);
> diff --git a/src/libsystemd/sd-rtnl/rtnl-types.c b/src/libsystemd/sd-rtnl/rtnl-types.c
> index a1db2ab..735ad75 100644
> --- a/src/libsystemd/sd-rtnl/rtnl-types.c
> +++ b/src/libsystemd/sd-rtnl/rtnl-types.c
> @@ -332,15 +332,12 @@ static const NLTypeSystem rtnl_route_type_system = {
>  static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
>          [NDA_DST]               = { .type = NLA_IN_ADDR },
>          [NDA_LLADDR]            = { .type = NLA_ETHER_ADDR },
> -/*
> -        NDA_CACHEINFO,
> -        NDA_PROBES,
> -        NDA_VLAN,
> -        NDA_PORT
> -        NDA_VNI
> -        NDA_IFINDEX
> -        NDA_MASTER
> -*/
> +        [NDA_CACHEINFO]         = { .type = NLA_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
> +        [NDA_PROBES]            = { .type = NLA_U32 },
> +        [NDA_VLAN]              = { .type = NLA_U16 },
> +        [NDA_PORT]              = { .type = NLA_U16 },
> +        [NDA_VNI]               = { .type = NLA_U32 },
> +        [NDA_IFINDEX]           = { .type = NLA_U32 },
>  };
>
>  static const NLTypeSystem rtnl_neigh_type_system = {
> diff --git a/src/network/networkd-fdb.c b/src/network/networkd-fdb.c
> new file mode 100644
> index 0000000..9bb45e3
> --- /dev/null
> +++ b/src/network/networkd-fdb.c
> @@ -0,0 +1,252 @@
> +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
> +
> +/***
> +  This file is part of systemd.
> +
> +  Copyright (C) 2014 Intel Corporation. All rights reserved.
> +
> +  systemd is free software; you can redistribute it and/or modify it
> +  under the terms of the GNU Lesser General Public License as published by
> +  the Free Software Foundation; either version 2.1 of the License, or
> +  (at your option) any later version.
> +
> +  systemd is distributed in the hope that it will be useful, but
> +  WITHOUT ANY WARRANTY; without even the implied warranty of
> +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> +  Lesser General Public License for more details.
> +
> +  You should have received a copy of the GNU Lesser General Public License
> +  along with systemd; If not, see <http://www.gnu.org/licenses/>.
> +***/
> +
> +#include <ctype.h>
> +#include <net/if.h>
> +#include <net/ethernet.h>
> +
> +#include "networkd.h"
> +#include "networkd-netdev.h"
> +#include "networkd-link.h"
> +#include "network-internal.h"
> +#include "path-util.h"
> +#include "conf-files.h"
> +#include "conf-parser.h"
> +#include "util.h"
> +
> +/* create a new FDB entry or get an existing one. */
> +int fdb_entry_new_static(Network *const network,
> +                         const unsigned section,
> +                         FdbEntry **ret) {
> +        _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
> +        struct ether_addr *mac_addr = NULL;
> +
> +        assert(network);
> +
> +        /* search entry in hashmap first. */
> +        if(section) {
> +                fdb_entry = hashmap_get(network->fdb_entries_by_section, UINT_TO_PTR(section));
> +                if (fdb_entry) {
> +                        *ret = fdb_entry;
> +                        fdb_entry = NULL;
> +
> +                        return 0;
> +                }
> +        }
> +
> +        /* allocate space for MAC address. */
> +        mac_addr = new0(struct ether_addr, 1);
> +        if (!mac_addr)
> +                return -ENOMEM;
> +
> +        /* allocate space for and FDB entry. */
> +        fdb_entry = new0(FdbEntry, 1);
> +
> +        if (!fdb_entry) {
> +                /* free previously allocated space for mac_addr. */
> +                free(mac_addr);
> +                return -ENOMEM;
> +        }
> +
> +        /* init FDB structure. */
> +        fdb_entry->network = network;
> +        fdb_entry->mac_addr = mac_addr;
> +
> +        LIST_PREPEND(static_fdb_entries, network->static_fdb_entries, fdb_entry);
> +
> +        if (section) {
> +                fdb_entry->section = section;
> +                hashmap_put(network->fdb_entries_by_section,
> +                            UINT_TO_PTR(fdb_entry->section), fdb_entry);
> +        }
> +
> +        /* return allocated FDB structure. */
> +        *ret = fdb_entry;
> +        fdb_entry = NULL;
> +
> +        return 0;
> +}
> +
> +static int set_fdb_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
> +        _cleanup_fdbentry_free_ FdbEntry *fdb_entry = userdata;
> +        int r;
> +
> +        assert(fdb_entry);
> +
> +        r = sd_rtnl_message_get_errno(m);
> +        if ((r < 0) && (r != (-EEXIST)))
> +                log_error("Could not add FDB entry for interface: %s error: %s",
> +                          fdb_entry->network->match_name, strerror(-r));
> +
> +        return 1;
> +}
> +
> +/* send a request to the kernel to add a FDB entry in its static MAC table. */
> +int fdb_entry_configure(sd_rtnl *const rtnl,
> +                        FdbEntry *const fdb_entry,
> +                        const int ifindex) {
> +        _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
> +        int r;
> +
> +        assert(fdb_entry);
> +        assert(rtnl);
> +
> +        /* create new RTM message */
> +        r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_NEWNEIGH, ifindex, PF_BRIDGE);
> +        if (r < 0)
> +                return rtnl_log_create_error(r);
> +
> +        /* only NTF_SELF flag supported. */
> +        r = sd_rtnl_message_neigh_set_flags(req, NTF_SELF);
> +        if (r < 0)
> +                return rtnl_log_create_error(r);
> +
> +        /* only NUD_PERMANENT state supported. */
> +        r = sd_rtnl_message_neigh_set_state(req, NUD_NOARP | NUD_PERMANENT);
> +        if (r < 0)
> +                return rtnl_log_create_error(r);
> +
> +        r = sd_rtnl_message_append_ether_addr(req, NDA_LLADDR, fdb_entry->mac_addr);
> +        if (r < 0)
> +                return rtnl_log_create_error(r);
> +
> +        /* VLAN Id is optional. We'll add VLAN Id only if it's specified. */
> +        if (0 != fdb_entry->vlan_id) {
> +                r = sd_rtnl_message_append_u16(req, NDA_VLAN, fdb_entry->vlan_id);
> +                if (r < 0)
> +                        return rtnl_log_create_error(r);
> +        }
> +
> +        /* send message to the kernel to update its internal static MAC table. */
> +        r = sd_rtnl_call_async(rtnl, req, set_fdb_handler, fdb_entry, 0, NULL);
> +        if (r < 0) {
> +                log_error("Could not send rtnetlink message: %s", strerror(-r));
> +                return r;
> +        }
> +
> +        return 0;
> +}
> +
> +/* remove and FDB entry. */
> +void fdb_entry_free(FdbEntry *fdb_entry) {
> +        if(!fdb_entry)
> +                return;
> +
> +        if(fdb_entry->network) {
> +                LIST_REMOVE(static_fdb_entries, fdb_entry->network->static_fdb_entries,
> +                            fdb_entry);
> +
> +                if(fdb_entry->section)
> +                    hashmap_remove(fdb_entry->network->fdb_entries_by_section,
> +                                   UINT_TO_PTR(fdb_entry->section));
> +        }
> +
> +        free(fdb_entry->mac_addr);
> +
> +        free(fdb_entry);
> +}
> +
> +/* parse the HW address from config files. */
> +int config_parse_fdb_hwaddr(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) {
> +        Network *network = userdata;
> +        _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
> +        int r;
> +
> +        assert(filename);
> +        assert(section);
> +        assert(lvalue);
> +        assert(rvalue);
> +        assert(data);
> +
> +        r = fdb_entry_new_static(network, section_line, &fdb_entry);
> +        if (r < 0) {
> +                log_error("Failed to allocate a new FDB entry: %s", strerror(-r));
> +                return r;
> +        }
> +
> +        /* read in the MAC address for the FDB table. */
> +        r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
> +                   &fdb_entry->mac_addr->ether_addr_octet[0],
> +                   &fdb_entry->mac_addr->ether_addr_octet[1],
> +                   &fdb_entry->mac_addr->ether_addr_octet[2],
> +                   &fdb_entry->mac_addr->ether_addr_octet[3],
> +                   &fdb_entry->mac_addr->ether_addr_octet[4],
> +                   &fdb_entry->mac_addr->ether_addr_octet[5]);
> +
> +        if (ETHER_ADDR_LEN !=  r) {
> +                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
> +                           "Not a valid MAC address, ignoring assignment: %s", rvalue);
> +                return 0;
> +        }
> +
> +        fdb_entry = NULL;
> +
> +        return 0;
> +}
> +
> +/* parse the VLAN Id from config files. */
> +int config_parse_fdb_vlan_id(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) {
> +        Network *network = userdata;
> +        _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
> +        int r;
> +
> +        assert(filename);
> +        assert(section);
> +        assert(lvalue);
> +        assert(rvalue);
> +        assert(data);
> +
> +        r = fdb_entry_new_static(network, section_line, &fdb_entry);
> +        if (r < 0) {
> +                log_error("Failed to allocate a new FDB entry: %s", strerror(-r));
> +                return r;
> +        }
> +
> +        r = config_parse_unsigned(unit, filename, line, section,
> +                                  section_line, lvalue, ltype,
> +                                  rvalue, &fdb_entry->vlan_id, userdata);
> +        if (r < 0) {
> +                log_error("Failed to parse the unsigned integer: %s", strerror(-r));
> +                return r;
> +        }
> +
> +        fdb_entry = NULL;
> +
> +        return 0;
> +}
> diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
> index 08f724e..341ae88 100644
> --- a/src/network/networkd-link.c
> +++ b/src/network/networkd-link.c
> @@ -656,6 +656,21 @@ int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata)
>          return 1;
>  }
>
> +static int link_set_bridge_fdb(const Link *const link) {
> +        FdbEntry *fdb_entry;
> +        int r = 0;
> +
> +        LIST_FOREACH(static_fdb_entries, fdb_entry, link->network->static_fdb_entries) {
> +                r = fdb_entry_configure(link->manager->rtnl, fdb_entry, link->ifindex);
> +                if(r < 0) {
> +                        log_link_error(link, "Failed to add MAC entry to static MAC table: %s", strerror(-r));
> +                        break;
> +                }
> +        }
> +
> +        return r;
> +}
> +
>  static int link_set_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
>          _cleanup_link_unref_ Link *link = userdata;
>          int r;
> @@ -1147,6 +1162,10 @@ static int link_configure(Link *link) {
>          assert(link->network);
>          assert(link->state == LINK_STATE_PENDING);
>
> +        r = link_set_bridge_fdb(link);
> +        if (r < 0)
> +                return r;
> +
>          if (link_ipv4ll_enabled(link)) {
>                  r = ipv4ll_configure(link);
>                  if (r < 0)
> diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
> index 640a3a2..fb0a209 100644
> --- a/src/network/networkd-network-gperf.gperf
> +++ b/src/network/networkd-network-gperf.gperf
> @@ -62,6 +62,8 @@ DHCP.CriticalConnection,     config_parse_bool,                  0,
>  DHCP.VendorClassIdentifier,  config_parse_string,                0,                             offsetof(Network, dhcp_vendor_class_identifier)
>  DHCP.RouteMetric,            config_parse_unsigned,              0,                             offsetof(Network, dhcp_route_metric)
>  Bridge.Cost,                 config_parse_unsigned,              0,                             offsetof(Network, cost)
> +BridgeFDB.MACAddress,        config_parse_fdb_hwaddr,            0,                             0
> +BridgeFDB.VLANId,            config_parse_fdb_vlan_id,           0,                             0
>  /* backwards compatibility: do not add new entries to this section */
>  DHCPv4.UseDNS,               config_parse_bool,                  0,                             offsetof(Network, dhcp_dns)
>  DHCPv4.UseMTU,               config_parse_bool,                  0,                             offsetof(Network, dhcp_mtu)
> diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
> index ef9e0a8..966b59b 100644
> --- a/src/network/networkd-network.c
> +++ b/src/network/networkd-network.c
> @@ -62,6 +62,7 @@ static int network_load_one(Manager *manager, const char *filename) {
>
>          LIST_HEAD_INIT(network->static_addresses);
>          LIST_HEAD_INIT(network->static_routes);
> +        LIST_HEAD_INIT(network->static_fdb_entries);
>
>          network->stacked_netdevs = hashmap_new(&string_hash_ops);
>          if (!network->stacked_netdevs)
> @@ -75,6 +76,10 @@ static int network_load_one(Manager *manager, const char *filename) {
>          if (!network->routes_by_section)
>                  return log_oom();
>
> +        network->fdb_entries_by_section = hashmap_new(NULL);
> +        if (!network->fdb_entries_by_section)
> +                return log_oom();
> +
>          network->filename = strdup(filename);
>          if (!network->filename)
>                  return log_oom();
> @@ -97,7 +102,8 @@ static int network_load_one(Manager *manager, const char *filename) {
>                           "Route\0"
>                           "DHCP\0"
>                           "DHCPv4\0"
> -                         "Bridge\0",
> +                         "Bridge\0"
> +                         "BridgeFDB\0",
>                           config_item_perf_lookup, network_network_gperf_lookup,
>                           false, false, true, network);
>          if (r < 0)
> @@ -154,6 +160,7 @@ void network_free(Network *network) {
>          NetDev *netdev;
>          Route *route;
>          Address *address;
> +        FdbEntry *fdb_entry;
>          Iterator i;
>
>          if (!network)
> @@ -192,8 +199,12 @@ void network_free(Network *network) {
>          while ((address = network->static_addresses))
>                  address_free(address);
>
> +        while ((fdb_entry = network->static_fdb_entries))
> +                fdb_entry_free(fdb_entry);
> +
>          hashmap_free(network->addresses_by_section);
>          hashmap_free(network->routes_by_section);
> +        hashmap_free(network->fdb_entries_by_section);
>
>          if (network->manager && network->manager->networks)
>                  LIST_REMOVE(networks, network->manager->networks, network);
> diff --git a/src/network/networkd.h b/src/network/networkd.h
> index 4cdcd73..a5c5b08 100644
> --- a/src/network/networkd.h
> +++ b/src/network/networkd.h
> @@ -51,6 +51,7 @@ typedef struct Address Address;
>  typedef struct Route Route;
>  typedef struct Manager Manager;
>  typedef struct AddressPool AddressPool;
> +typedef struct FdbEntry FdbEntry;
>
>  typedef enum DHCPSupport {
>          DHCP_SUPPORT_NONE,
> @@ -69,6 +70,16 @@ typedef enum LLMNRSupport {
>          _LLMNR_SUPPORT_INVALID = -1,
>  } LLMNRSupport;
>
> +struct FdbEntry {
> +        Network *network;
> +        unsigned section;
> +
> +        struct ether_addr *mac_addr;
> +        uint16_t vlan_id;
> +
> +        LIST_FIELDS(FdbEntry, static_fdb_entries);
> +};
> +
>  struct Network {
>          Manager *manager;
>
> @@ -113,9 +124,11 @@ struct Network {
>
>          LIST_HEAD(Address, static_addresses);
>          LIST_HEAD(Route, static_routes);
> +        LIST_HEAD(FdbEntry, static_fdb_entries);
>
>          Hashmap *addresses_by_section;
>          Hashmap *routes_by_section;
> +        Hashmap *fdb_entries_by_section;
>
>          bool wildcard_domain;
>          char **domains, **dns, **ntp;
> @@ -327,6 +340,22 @@ int config_parse_label(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);
>
> +/* Forwarding database table. */
> +int fdb_entry_configure(sd_rtnl *const rtnl, FdbEntry *const fdb_entry, const int ifindex);
> +void fdb_entry_free(FdbEntry *fdb_entry);
> +int fdb_entry_new_static(Network *const network, const unsigned section, FdbEntry **ret);
> +
> +DEFINE_TRIVIAL_CLEANUP_FUNC(FdbEntry*, fdb_entry_free);
> +#define _cleanup_fdbentry_free_ _cleanup_(fdb_entry_freep)
> +
> +int config_parse_fdb_hwaddr(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);
> +
> +int config_parse_fdb_vlan_id(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);
> +
>  /* DHCP support */
>
>  const char* dhcp_support_to_string(DHCPSupport i) _const_;
> diff --git a/src/systemd/sd-rtnl.h b/src/systemd/sd-rtnl.h
> index b05f83c..b8836e2 100644
> --- a/src/systemd/sd-rtnl.h
> +++ b/src/systemd/sd-rtnl.h
> @@ -109,8 +109,12 @@ int sd_rtnl_message_route_get_family(sd_rtnl_message *m, int *family);
>  int sd_rtnl_message_route_get_dst_prefixlen(sd_rtnl_message *m, unsigned char *dst_len);
>  int sd_rtnl_message_route_get_src_prefixlen(sd_rtnl_message *m, unsigned char *src_len);
>
> +int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags);
> +int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state);
>  int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family);
>  int sd_rtnl_message_neigh_get_ifindex(sd_rtnl_message *m, int *family);
> +int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state);
> +int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags);
>
>  int sd_rtnl_message_append_string(sd_rtnl_message *m, unsigned short type, const char *data);
>  int sd_rtnl_message_append_u8(sd_rtnl_message *m, unsigned short type, uint8_t data);
> --
> 1.9.3
>


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