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network: macvlan - add support to configure rx queue for broadcast/multicast
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@ -546,6 +546,13 @@
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to this is reset. Defaults to unset.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>BroadcastMulticastQueueLength=</varname></term>
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<listitem>
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<para>Specifies the length of the receive queue for broadcast/multicast packets. An unsigned
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integer in the range 0—4294967294. Defaults to unset.</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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@ -5,6 +5,7 @@
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#include "conf-parser.h"
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#include "macvlan.h"
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#include "macvlan-util.h"
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#include "parse-util.h"
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DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
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@ -51,6 +52,57 @@ static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_net
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_MODE attribute: %m");
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}
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if (m->bc_queue_length != UINT32_MAX) {
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r = sd_netlink_message_append_u32(req, IFLA_MACVLAN_BC_QUEUE_LEN, m->bc_queue_length);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_MACVLAN_BC_QUEUE_LEN attribute: %m");
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}
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return 0;
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}
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int config_parse_macvlan_broadcast_queue_size(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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MacVlan *m = userdata;
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uint32_t v;
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int r;
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assert(filename);
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assert(section);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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assert(userdata);
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if (isempty(rvalue)) {
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m->bc_queue_length = UINT32_MAX;
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return 0;
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}
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r = safe_atou32(rvalue, &v);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to parse BroadcastMulticastQueueLength=%s, ignoring assignment: %m", rvalue);
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return 0;
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}
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if (v == UINT32_MAX) {
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log_syntax(unit, LOG_WARNING, filename, line, 0,
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"Invalid BroadcastMulticastQueueLength=%s, ignoring assignment: %m", rvalue);
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return 0;
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}
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m->bc_queue_length = v;
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return 0;
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}
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@ -82,6 +134,7 @@ static void macvlan_init(NetDev *n) {
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assert(m);
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m->mode = _NETDEV_MACVLAN_MODE_INVALID;
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m->bc_queue_length = UINT32_MAX;
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}
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const NetDevVTable macvtap_vtable = {
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@ -12,6 +12,8 @@ struct MacVlan {
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MacVlanMode mode;
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Set *match_source_mac;
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uint32_t bc_queue_length;
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};
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DEFINE_NETDEV_CAST(MACVLAN, MacVlan);
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@ -20,3 +22,4 @@ extern const NetDevVTable macvlan_vtable;
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extern const NetDevVTable macvtap_vtable;
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CONFIG_PARSER_PROTOTYPE(config_parse_macvlan_mode);
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CONFIG_PARSER_PROTOTYPE(config_parse_macvlan_broadcast_queue_size);
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@ -57,6 +57,7 @@ VLAN.EgressQOSMaps, config_parse_vlan_qos_maps,
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VLAN.IngressQOSMaps, config_parse_vlan_qos_maps, 0, offsetof(VLan, ingress_qos_maps)
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MACVLAN.Mode, config_parse_macvlan_mode, 0, offsetof(MacVlan, mode)
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MACVLAN.SourceMACAddress, config_parse_hwaddrs, 0, offsetof(MacVlan, match_source_mac)
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MACVLAN.BroadcastMulticastQueueLength, config_parse_macvlan_broadcast_queue_size, 0, offsetof(MacVlan, bc_queue_length)
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MACVTAP.Mode, config_parse_macvlan_mode, 0, offsetof(MacVlan, mode)
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MACVTAP.SourceMACAddress, config_parse_hwaddrs, 0, offsetof(MacVlan, match_source_mac)
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IPVLAN.Mode, config_parse_ipvlan_mode, 0, offsetof(IPVlan, mode)
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@ -10,6 +10,7 @@ IngressQOSMaps=
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[MACVLAN]
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Mode=
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SourceMACAddress=
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BroadcastMulticastQueueLength=
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[WireGuard]
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ListenPort=
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PrivateKey=
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