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network: geneve: add InheritInnerProtocol flag

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This commit is contained in:
Josef Miegl 2023-03-04 22:18:34 +01:00 committed by Luca Boccassi
parent 27e695840c
commit 417283c5c3
5 changed files with 30 additions and 13 deletions
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7
man/systemd.netdev.xml
View file

@ -826,6 +826,13 @@
<para>Accepts the same key as in [VXLAN] section.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>InheritInnerProtocol=</varname></term>
<listitem>
<para>Takes a boolean. When true, inner Layer 3 protcol is set as Protocol Type in the GENEVE
header instead of Ethernet. Defaults to false.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

27
src/libsystemd/sd-netlink/netlink-types-rtnl.c
View file

@ -192,19 +192,20 @@ static const NLAPolicy rtnl_link_info_data_can_policies[] = {
};
static const NLAPolicy rtnl_link_info_data_geneve_policies[] = {
[IFLA_GENEVE_ID] = BUILD_POLICY(U32),
[IFLA_GENEVE_REMOTE] = BUILD_POLICY_WITH_SIZE(IN_ADDR, sizeof(struct in_addr)),
[IFLA_GENEVE_TTL] = BUILD_POLICY(U8),
[IFLA_GENEVE_TOS] = BUILD_POLICY(U8),
[IFLA_GENEVE_PORT] = BUILD_POLICY(U16),
[IFLA_GENEVE_COLLECT_METADATA] = BUILD_POLICY(FLAG),
[IFLA_GENEVE_REMOTE6] = BUILD_POLICY_WITH_SIZE(IN_ADDR, sizeof(struct in6_addr)),
[IFLA_GENEVE_UDP_CSUM] = BUILD_POLICY(U8),
[IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = BUILD_POLICY(U8),
[IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = BUILD_POLICY(U8),
[IFLA_GENEVE_LABEL] = BUILD_POLICY(U32),
[IFLA_GENEVE_TTL_INHERIT] = BUILD_POLICY(U8),
[IFLA_GENEVE_DF] = BUILD_POLICY(U8),
[IFLA_GENEVE_ID] = BUILD_POLICY(U32),
[IFLA_GENEVE_REMOTE] = BUILD_POLICY_WITH_SIZE(IN_ADDR, sizeof(struct in_addr)),
[IFLA_GENEVE_TTL] = BUILD_POLICY(U8),
[IFLA_GENEVE_TOS] = BUILD_POLICY(U8),
[IFLA_GENEVE_PORT] = BUILD_POLICY(U16),
[IFLA_GENEVE_COLLECT_METADATA] = BUILD_POLICY(FLAG),
[IFLA_GENEVE_REMOTE6] = BUILD_POLICY_WITH_SIZE(IN_ADDR, sizeof(struct in6_addr)),
[IFLA_GENEVE_UDP_CSUM] = BUILD_POLICY(U8),
[IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = BUILD_POLICY(U8),
[IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = BUILD_POLICY(U8),
[IFLA_GENEVE_LABEL] = BUILD_POLICY(U32),
[IFLA_GENEVE_TTL_INHERIT] = BUILD_POLICY(U8),
[IFLA_GENEVE_DF] = BUILD_POLICY(U8),
[IFLA_GENEVE_INNER_PROTO_INHERIT] = BUILD_POLICY(FLAG),
};
static const NLAPolicy rtnl_link_info_data_gre_policies[] = {

6
src/network/netdev/geneve.c
View file

@ -89,6 +89,12 @@ static int netdev_geneve_fill_message_create(NetDev *netdev, Link *link, sd_netl
return r;
}
if (v->inherit_inner_protocol) {
r = sd_netlink_message_append_flag(m, IFLA_GENEVE_INNER_PROTO_INHERIT);
if (r < 0)
return r;
}
if (v->geneve_df != _NETDEV_GENEVE_DF_INVALID) {
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_DF, v->geneve_df);
if (r < 0)

2
src/network/netdev/geneve.h
View file

@ -37,6 +37,8 @@ struct Geneve {
GeneveDF geneve_df;
union in_addr_union remote;
bool inherit_inner_protocol;
};
DEFINE_NETDEV_CAST(GENEVE, Geneve);

1
src/network/netdev/netdev-gperf.gperf
View file

@ -162,6 +162,7 @@ GENEVE.UDP6ZeroChecksumTx, config_parse_bool,
GENEVE.DestinationPort, config_parse_ip_port, 0, offsetof(Geneve, dest_port)
GENEVE.IPDoNotFragment, config_parse_geneve_df, 0, offsetof(Geneve, geneve_df)
GENEVE.FlowLabel, config_parse_geneve_flow_label, 0, 0
GENEVE.InheritInnerProtocol, config_parse_bool, 0, offsetof(Geneve, inherit_inner_protocol)
MACsec.Port, config_parse_macsec_port, 0, 0
MACsec.Encrypt, config_parse_tristate, 0, offsetof(MACsec, encrypt)
MACsecReceiveChannel.Port, config_parse_macsec_port, 0, 0