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Add PXE-required DHCP options to DHCPDISCOVER and DHCPREQUEST packets.
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@ -135,6 +135,12 @@ struct job_interface;
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*/
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#define DHCP_BOOTFILE_NAME 67
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/** Client system architecture */
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#define DHCP_CLIENT_ARCHITECTURE 93
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/** Client network device interface */
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#define DHCP_CLIENT_NDI 94
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/** UUID client identifier */
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#define DHCP_CLIENT_UUID 97
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@ -61,13 +61,17 @@ static const uint8_t dhcp_op[] = {
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static uint8_t dhcp_request_options_data[] = {
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DHCP_MAX_MESSAGE_SIZE, DHCP_WORD ( ETH_MAX_MTU ),
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DHCP_VENDOR_CLASS_ID,
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DHCP_STRING ( 'E', 't', 'h', 'e', 'r', 'b', 'o', 'o', 't' ),
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DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':',
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'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '0', ':',
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'U', 'N', 'D', 'I', ':', '0', '0', '2', '0', '0', '1' ),
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DHCP_CLIENT_ARCHITECTURE, DHCP_WORD ( 0 ),
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DHCP_CLIENT_NDI, DHCP_OPTION ( 1 /* UNDI */ , 2, 1 /* v2.1 */ ),
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DHCP_PARAMETER_REQUEST_LIST,
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DHCP_OPTION ( DHCP_SUBNET_MASK, DHCP_ROUTERS, DHCP_DNS_SERVERS, DHCP_LOG_SERVERS,
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DHCP_HOST_NAME, DHCP_DOMAIN_NAME, DHCP_ROOT_PATH,
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DHCP_VENDOR_ENCAP, DHCP_TFTP_SERVER_NAME,
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DHCP_BOOTFILE_NAME, DHCP_EB_ENCAP,
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DHCP_ISCSI_INITIATOR_IQN ),
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DHCP_OPTION ( DHCP_SUBNET_MASK, DHCP_ROUTERS, DHCP_DNS_SERVERS,
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DHCP_LOG_SERVERS, DHCP_HOST_NAME, DHCP_DOMAIN_NAME,
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DHCP_ROOT_PATH, DHCP_VENDOR_ENCAP, DHCP_VENDOR_CLASS_ID,
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DHCP_TFTP_SERVER_NAME, DHCP_BOOTFILE_NAME,
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DHCP_EB_ENCAP, DHCP_ISCSI_INITIATOR_IQN ),
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DHCP_END
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};
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@ -512,6 +516,16 @@ struct dhcp_client_id {
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uint8_t ll_addr[MAX_LL_ADDR_LEN];
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} __attribute__ (( packed ));
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/** DHCP client UUID */
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struct dhcp_client_uuid {
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/** Identifier type */
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uint8_t type;
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/** UUID */
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union uuid uuid;
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} __attribute__ (( packed ));
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#define DHCP_CLIENT_UUID_TYPE 0
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/**
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* Create DHCP request
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*
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@ -530,7 +544,7 @@ int create_dhcp_request ( struct net_device *netdev, int msgtype,
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struct device_description *desc = &netdev->dev->desc;
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struct dhcp_netdev_desc dhcp_desc;
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struct dhcp_client_id client_id;
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union uuid uuid;
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struct dhcp_client_uuid client_uuid;
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size_t dhcp_features_len;
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size_t ll_addr_len;
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int rc;
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@ -607,10 +621,11 @@ int create_dhcp_request ( struct net_device *netdev, int msgtype,
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}
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/* Add client UUID, if we have one. Required for PXE. */
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if ( ( rc = get_uuid ( &uuid ) ) == 0 ) {
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client_uuid.type = DHCP_CLIENT_UUID_TYPE;
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if ( ( rc = get_uuid ( &client_uuid.uuid ) ) == 0 ) {
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if ( ( rc = set_dhcp_packet_option ( dhcppkt,
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DHCP_CLIENT_UUID, &uuid,
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sizeof ( uuid ) ) ) !=0){
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DHCP_CLIENT_UUID, &client_uuid,
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sizeof ( client_uuid ) ) ) != 0 ) {
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DBG ( "DHCP could not set client UUID: %s\n",
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strerror ( rc ) );
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return rc;
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