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dhcp-protocol: introduce more sub-options for DHCP Relay Agent Information option

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These new values will be used later.
This commit is contained in:
Yu Watanabe
2026-05-13 00:46:09 +09:00
parent 25482d832c
commit e507487b6d
2 changed files with 29 additions and 3 deletions
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src/libsystemd-network/dhcp-protocol.h
+5
View File
@@ -124,4 +124,9 @@ enum {
DHCP_FQDN_FLAG_N = (1 << 3),
};
/* For SD_DHCP_RELAY_AGENT_FLAGS sub-option. */
enum {
DHCP_RELAY_AGENT_FLAG_UNICAST = 1 << 0,
};
DECLARE_STRING_TABLE_LOOKUP_TO_STRING(dhcp_option_code, int);
src/systemd/sd-dhcp-protocol.h
+24 -3
View File
@@ -193,10 +193,31 @@ enum {
SD_DHCP_OPTION_END = 255 /* [RFC2132] */
};
/* Suboptions for SD_DHCP_OPTION_RELAY_AGENT_INFORMATION option */
/* Suboptions for SD_DHCP_OPTION_RELAY_AGENT_INFORMATION option. See
* https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#relay-agent-sub-options */
enum {
SD_DHCP_RELAY_AGENT_CIRCUIT_ID = 1,
SD_DHCP_RELAY_AGENT_REMOTE_ID = 2
SD_DHCP_RELAY_AGENT_CIRCUIT_ID = 1,
SD_DHCP_RELAY_AGENT_REMOTE_ID = 2,
/* suboption code 3 is reserved */
SD_DHCP_RELAY_AGENT_DOCSIS_DEVICE_CLASS = 4,
SD_DHCP_RELAY_AGENT_LINK_SELECTION = 5,
SD_DHCP_RELAY_AGENT_SUBSCRIBER_ID = 6,
SD_DHCP_RELAY_AGENT_RADIUS_ATTRIBUTE = 7,
SD_DHCP_RELAY_AGENT_AUTHENTICATION = 8,
SD_DHCP_RELAY_AGENT_VENDOR_SPECIFIC_INFORMATION = 9,
SD_DHCP_RELAY_AGENT_FLAGS = 10,
SD_DHCP_RELAY_AGENT_SERVER_IDENTIFIER_OVERRIDE = 11,
SD_DHCP_RELAY_AGENT_IDENTIFIER = 12,
SD_DHCP_RELAY_AGENT_ACCESS_TECHNOLOGY_TYPE = 13,
SD_DHCP_RELAY_AGENT_ACCESS_NETWORK_NAME = 14,
SD_DHCP_RELAY_AGENT_ACCESS_POINT_NAME = 15,
SD_DHCP_RELAY_AGENT_ACCESS_POINT_BSSID = 16,
SD_DHCP_RELAY_AGENT_OPERATOR_IDENTIFIER = 17,
SD_DHCP_RELAY_AGENT_OPERATOR_REALM = 18,
SD_DHCP_RELAY_AGENT_SOURCE_PORT = 19,
/* suboption code 20-150 are unassigned */
SD_DHCP_RELAY_AGENT_VIRTUAL_SUBNET_SELECTION = 151,
SD_DHCP_RELAY_AGENT_VIRTUAL_SUBNET_SELECTION_CONTROL = 152
};
_SD_END_DECLARATIONS;