sd-dhcp-client: set TOS and socket priority by default

Also this renames sd_dhcp_client_set_service_type() to _set_ip_service_type().

src/network/networkd-dhcp4.c

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include <linux/if_arp.h>
+#include <linux/pkt_sched.h>
 #include <linux/rtnetlink.h>
 #include <netinet/in.h>
 #include <netinet/ip.h>
@@ -1670,12 +1671,13 @@ static int dhcp4_configure(Link *link) {
         }
 
         if (link->network->dhcp_ip_service_type >= 0) {
-                r = sd_dhcp_client_set_service_type(link->dhcp_client, link->network->dhcp_ip_service_type);
+                assert(link->network->dhcp_ip_service_type <= UINT8_MAX);
+                r = sd_dhcp_client_set_ip_service_type(link->dhcp_client, link->network->dhcp_ip_service_type);
                 if (r < 0)
                         return log_link_debug_errno(link, r, "DHCPv4 CLIENT: Failed to set IP service type: %m");
         }
 
-        if (link->network->dhcp_socket_priority_set) {
+        if (link->network->dhcp_socket_priority >= 0) {
                 r = sd_dhcp_client_set_socket_priority(link->dhcp_client, link->network->dhcp_socket_priority);
                 if (r < 0)
                         return log_link_debug_errno(link, r, "DHCPv4 CLIENT: Failed to set socket priority: %m");
@@ -2005,14 +2007,13 @@ int config_parse_dhcp_socket_priority(
                 void *data,
                 void *userdata) {
 
-        Network *network = ASSERT_PTR(data);
-        int a, r;
+        int r, a, *priority = ASSERT_PTR(data);
 
         assert(lvalue);
         assert(rvalue);
 
         if (isempty(rvalue)) {
-                network->dhcp_socket_priority_set = false;
+                *priority = -1;
                 return 0;
         }
 
@@ -2022,10 +2023,13 @@ int config_parse_dhcp_socket_priority(
                            "Failed to parse socket priority, ignoring: %s", rvalue);
                 return 0;
         }
+        if (a < 0 || a > TC_PRIO_MAX) {
+                log_syntax(unit, LOG_WARNING, filename, line, 0,
+                           "Invalid socket priority, must be in 0…%i, ignoring: %i", TC_PRIO_MAX, a);
+                return 0;
+        }
 
-        network->dhcp_socket_priority_set = true;
-        network->dhcp_socket_priority = a;
-
+        *priority = a;
         return 0;
 }
 

src/network/networkd-network-gperf.gperf

@@ -292,7 +292,7 @@ DHCPv4.SendDecline,                              config_parse_bool,
 DHCPv4.DenyList,                                 config_parse_in_addr_prefixes,                  AF_INET,                                offsetof(Network, dhcp_deny_listed_ip)
 DHCPv4.AllowList,                                config_parse_in_addr_prefixes,                  AF_INET,                                offsetof(Network, dhcp_allow_listed_ip)
 DHCPv4.IPServiceType,                            config_parse_dhcp_ip_service_type,              0,                                      offsetof(Network, dhcp_ip_service_type)
-DHCPv4.SocketPriority,                           config_parse_dhcp_socket_priority,              0,                                      0
+DHCPv4.SocketPriority,                           config_parse_dhcp_socket_priority,              0,                                      offsetof(Network, dhcp_socket_priority)
 DHCPv4.SendOption,                               config_parse_dhcp_option_tlv,                   0,                                      offsetof(Network, dhcp_extra_options)
 DHCPv4.SendVendorOption,                         config_parse_dhcp_option_tlv,                   0,                                      offsetof(Network, dhcp_vendor_options)
 DHCPv4.RouteMTUBytes,                            config_parse_mtu,                               AF_INET,                                offsetof(Network, dhcp_route_mtu)

src/network/networkd-network.c

@@ -404,6 +404,7 @@ int network_load_one(Manager *manager, OrderedHashmap **networks, const char *fi
                 .dhcp_client_identifier = _DHCP_CLIENT_ID_INVALID,
                 .dhcp_route_table = RT_TABLE_MAIN,
                 .dhcp_ip_service_type = -1,
+                .dhcp_socket_priority = -1,
                 .dhcp_broadcast = -1,
                 .dhcp_ipv6_only_mode = -1,
                 .dhcp_6rd_prefix_route_type = RTN_UNREACHABLE,

src/network/networkd-network.h

@@ -140,7 +140,6 @@ typedef struct Network {
         int dhcp_critical;
         int dhcp_ip_service_type;
         int dhcp_socket_priority;
-        bool dhcp_socket_priority_set;
         bool dhcp_anonymize;
         bool dhcp_send_hostname;
         bool dhcp_send_hostname_set;