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networkd vxlan: Add support for enabling UDP checksums
Add UDPCheckSum option to enable transmitting UDP checksums when doing VXLAN/IPv4. Add UDP6ZeroChecksumRx, and UDP6ZeroChecksumTx options to enable sending zero checksums and receiving zero checksums in VXLAN/IPv6 [tomegun: rebase manpage due to whitespace changes]
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@ -410,6 +410,24 @@
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on.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>UDPCheckSum=</varname></term>
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<listitem>
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<para>A boolean. When true transmitting UDP checksums when doing VXLAN/IPv4 is turned on.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>UDP6ZeroChecksumTx=</varname></term>
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<listitem>
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<para>A boolean. When true sending zero checksums in VXLAN/IPv6 is turned on.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>UDP6ZeroCheckSumRx=</varname></term>
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<listitem>
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<para>A boolean. When true receiving zero checksums in VXLAN/IPv6 is turned on.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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@ -47,6 +47,9 @@ VXLAN.ARPProxy, config_parse_bool, 0,
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VXLAN.L2MissNotification, config_parse_bool, 0, offsetof(VxLan, l2miss)
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VXLAN.L3MissNotification, config_parse_bool, 0, offsetof(VxLan, l3miss)
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VXLAN.RouteShortCircuit, config_parse_bool, 0, offsetof(VxLan, route_short_circuit)
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VXLAN.UDPCheckSum, config_parse_bool, 0, offsetof(VxLan, udpcsum)
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VXLAN.UDP6ZeroCheckSumRx, config_parse_bool, 0, offsetof(VxLan, udp6zerocsumrx)
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VXLAN.UDP6ZeroCheckSumTx, config_parse_bool, 0, offsetof(VxLan, udp6zerocsumtx)
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VXLAN.FDBAgeingSec, config_parse_sec, 0, offsetof(VxLan, fdb_ageing)
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Tun.OneQueue, config_parse_bool, 0, offsetof(TunTap, one_queue)
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Tun.MultiQueue, config_parse_bool, 0, offsetof(TunTap, multi_queue)
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@ -133,6 +133,30 @@ static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_
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}
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}
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r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum);
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if (r < 0) {
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log_netdev_error(netdev,
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"Could not append IFLA_VXLAN_UDP_CSUM attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx);
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if (r < 0) {
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log_netdev_error(netdev,
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"Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_TX attribute: %s",
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strerror(-r));
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return r;
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}
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r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx);
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if (r < 0) {
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log_netdev_error(netdev,
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"Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_RX attribute: %s",
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strerror(-r));
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return r;
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}
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return r;
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}
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@ -197,6 +221,9 @@ static void vxlan_init(NetDev *netdev) {
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v->id = VXLAN_VID_MAX + 1;
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v->learning = true;
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v->udpcsum = false;
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v->udp6zerocsumtx = false;
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v->udp6zerocsumrx = false;
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}
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const NetDevVTable vxlan_vtable = {
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@ -47,6 +47,9 @@ struct VxLan {
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bool route_short_circuit;
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bool l2miss;
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bool l3miss;
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bool udpcsum;
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bool udp6zerocsumtx;
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bool udp6zerocsumrx;
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};
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extern const NetDevVTable vxlan_vtable;
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