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-rw-r--r--man/systemd.network.xml17
-rw-r--r--src/network/networkd-link.c3
-rw-r--r--src/network/networkd-network-gperf.gperf2
-rw-r--r--src/network/networkd-network.h2
-rw-r--r--src/shared/conf-parser.c1
-rw-r--r--src/shared/conf-parser.h1
6 files changed, 25 insertions, 1 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index ded2c0ceff..2fb4733494 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -684,6 +684,23 @@
<variablelist class='network-directives'>
<varlistentry>
+ <term><varname>PoolOffset=</varname></term>
+ <term><varname>PoolSize=</varname></term>
+
+ <listitem><para>Configures the pool of addresses to hand out. The pool
+ is a contiguous sequence of IP addresses in the subnet configured for
+ the server address, which does not include the subnet nor the broadcast
+ address. <varname>PoolOffset=</varname> takes the offset of the pool
+ from the start of subnet, or zero to use the default value.
+ <varname>PoolSize=</varname> takes the number of IP addresses in the
+ pool or zero to use the default value. By default the pool starts at
+ the first address after the subnet address and takes up the rest of
+ the subnet, excluding the broadcast address. If the pool includes
+ the server address (the default), this is reserved and not handed
+ out to clients.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><varname>DefaultLeaseTimeSec=</varname></term>
<term><varname>MaxLeaseTimeSec=</varname></term>
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index c5434147ed..979f3115f6 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -742,7 +742,8 @@ static int link_enter_set_addresses(Link *link) {
}
/* use the server address' subnet as the pool */
- r = sd_dhcp_server_configure_pool(link->dhcp_server, &address->in_addr.in, address->prefixlen, 0, 0);
+ r = sd_dhcp_server_configure_pool(link->dhcp_server, &address->in_addr.in, address->prefixlen,
+ link->network->dhcp_server_pool_offset, link->network->dhcp_server_pool_size);
if (r < 0)
return r;
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 108e892fb8..10ca9dae35 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -82,6 +82,8 @@ DHCPServer.EmitNTP, config_parse_bool, 0
DHCPServer.NTP, config_parse_dhcp_server_ntp, 0, 0
DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)
+DHCPServer.PoolOffset, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_offset)
+DHCPServer.PoolSize, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_size)
Bridge.Cost, config_parse_unsigned, 0, offsetof(Network, cost)
Bridge.UseBPDU, config_parse_bool, 0, offsetof(Network, use_bpdu)
Bridge.HairPin, config_parse_bool, 0, offsetof(Network, hairpin)
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h
index d691cc3a45..c3439a70ba 100644
--- a/src/network/networkd-network.h
+++ b/src/network/networkd-network.h
@@ -102,6 +102,8 @@ struct Network {
bool dhcp_server_emit_timezone;
char *dhcp_server_timezone;
usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec;
+ uint32_t dhcp_server_pool_offset;
+ uint32_t dhcp_server_pool_size;
/* IPV4LL Support */
AddressFamilyBoolean link_local;
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index d99aa1d6e9..1f4aea6d6b 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -450,6 +450,7 @@ int config_parse_many(const char *conf_file,
DEFINE_PARSER(int, int, safe_atoi)
DEFINE_PARSER(long, long, safe_atoli)
+DEFINE_PARSER(uint32, uint32_t, safe_atou32)
DEFINE_PARSER(uint64, uint64_t, safe_atou64)
DEFINE_PARSER(unsigned, unsigned, safe_atou)
DEFINE_PARSER(double, double, safe_atod)
diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h
index 6152ee33b9..66c80890d3 100644
--- a/src/shared/conf-parser.h
+++ b/src/shared/conf-parser.h
@@ -104,6 +104,7 @@ int config_parse_many(const char *conf_file, /* possibly NULL */
int config_parse_int(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_unsigned(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_long(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_uint32(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_uint64(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_double(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_iec_size(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);