all: sync with master; upd chlog

internal/dhcpsvc/config.go

@@ -0,0 +1,86 @@
+package dhcpsvc
+
+import (
+	"net/netip"
+	"time"
+
+	"github.com/google/gopacket/layers"
+)
+
+// Config is the configuration for the DHCP service.
+type Config struct {
+	// Interfaces stores configurations of DHCP server specific for the network
+	// interface identified by its name.
+	Interfaces map[string]*InterfaceConfig
+
+	// LocalDomainName is the top-level domain name to use for resolving DHCP
+	// clients' hostnames.
+	LocalDomainName string
+
+	// ICMPTimeout is the timeout for checking another DHCP server's presence.
+	ICMPTimeout time.Duration
+
+	// Enabled is the state of the service, whether it is enabled or not.
+	Enabled bool
+}
+
+// InterfaceConfig is the configuration of a single DHCP interface.
+type InterfaceConfig struct {
+	// IPv4 is the configuration of DHCP protocol for IPv4.
+	IPv4 *IPv4Config
+
+	// IPv6 is the configuration of DHCP protocol for IPv6.
+	IPv6 *IPv6Config
+}
+
+// IPv4Config is the interface-specific configuration for DHCPv4.
+type IPv4Config struct {
+	// GatewayIP is the IPv4 address of the network's gateway.  It is used as
+	// the default gateway for DHCP clients and also used in calculating the
+	// network-specific broadcast address.
+	GatewayIP netip.Addr
+
+	// SubnetMask is the IPv4 subnet mask of the network.  It should be a valid
+	// IPv4 subnet mask (i.e. all 1s followed by all 0s).
+	SubnetMask netip.Addr
+
+	// RangeStart is the first address in the range to assign to DHCP clients.
+	RangeStart netip.Addr
+
+	// RangeEnd is the last address in the range to assign to DHCP clients.
+	RangeEnd netip.Addr
+
+	// Options is the list of DHCP options to send to DHCP clients.
+	Options layers.DHCPOptions
+
+	// LeaseDuration is the TTL of a DHCP lease.
+	LeaseDuration time.Duration
+
+	// Enabled is the state of the DHCPv4 service, whether it is enabled or not
+	// on the specific interface.
+	Enabled bool
+}
+
+// IPv6Config is the interface-specific configuration for DHCPv6.
+type IPv6Config struct {
+	// RangeStart is the first address in the range to assign to DHCP clients.
+	RangeStart netip.Addr
+
+	// Options is the list of DHCP options to send to DHCP clients.
+	Options layers.DHCPOptions
+
+	// LeaseDuration is the TTL of a DHCP lease.
+	LeaseDuration time.Duration
+
+	// RASlaacOnly defines whether the DHCP clients should only use SLAAC for
+	// address assignment.
+	RASLAACOnly bool
+
+	// RAAllowSlaac defines whether the DHCP clients may use SLAAC for address
+	// assignment.
+	RAAllowSLAAC bool
+
+	// Enabled is the state of the DHCPv6 service, whether it is enabled or not
+	// on the specific interface.
+	Enabled bool
+}