#ifndef _QCMAP_L2TP_H_ #define _QCMAP_L2TP_H_ /*====================================================== FILE: QCMAP_L2TP.h SERVICES: QCMAP L2TP Class ======================================================= Copyright (c) 2017 Qualcomm Technologies, Inc. All Rights Reserved. Qualcomm Technologies Proprietary and Confidential. ======================================================*/ /*====================================================== EDIT HISTORY FOR MODULE Please notice that the changes are listed in reverse chronological order. when who what, where, why -------- --- ------------------------------------------------------- 03/15/17 jc Created ======================================================*/ #include #include #include #include #include "qualcomm_mobile_access_point_msgr_v01.h" #include "ds_util.h" #include "ds_list.h" #include "qcmap_cm_api.h" #include "ds_string.h" #include "QCMAP_ConnectionManager.h" #include "QCMAP_Virtual_LAN.h" /*L2TP XML path's*/ #define TEMP_L2TP_CFG_XML "/data/l2tp_cfg_temp.xml" #define L2TP_CFG_XML "/data/l2tp_cfg.xml" /*L2TP flags*/ #define L2TPConfig_TAG "L2TPConfig" #define L2TPCONFIG_ENABLE_TAG "enable" #define L2TPEnableMTU_TAG "MTU_enable" #define L2TPEnableTCPMSS_TAG "TCP_MSS_enable" /*L2TP xml flags*/ #define L2TPXMLCfg_TAG "l2tpcfg" #define L2TPTunnel_TAG "tunnel" #define L2TPTunnelID_TAG "local_tunnel_id" #define L2TPPeerTunnelID_TAG "peer_tunnel_id" #define L2TPTunnelIface_TAG "local_iface" #define L2TPTunnelIPVer_TAG "IPVersion" #define L2TPTunnelRemoteIP_TAG "remote_IP" #define L2TPTunnelEncapProto_TAG "encap_proto" #define L2TPTunnelUDPPort_TAG "udp_sport" #define L2TPTunnelPeerUDPPort_TAG "udp_dport" /*L2TP Session Tags*/ #define L2TPSession_Tag "session" #define L2TPSessionID_Tag "session_ID" #define L2TPSessionPeerID_Tag "peer_session_ID" #if !defined(FEATURE_DATA_TARGET_MDM9607) && !defined(FEATURE_MOBILEAP_APQ_PLATFORM) && !defined(FEATURE_QCMAP_OFFTARGET) #define IPA_DEVICE_NAME "/dev/ipa" #endif #define MAX_UINT32_VAL 4294967295 /*2^32 - 2*/ #define MAX_UINT16_VAL 65535 /*2^16 - 1*/ #define L2TP_MTU_SIZE 1562 /*1506 + L2TP header Size + IPv6 header size*/ #define STD_MTU_SIZE 1500 #define L2TP_v4_MSS_SIZE 1398 /*1460 - L2TP header Size(8 bytes)- IPv6 header size(40 bytes) - inner eth header (14 bytes)*/ #define L2TP_v6_MSS_SIZE 1378 /*1440 - L2TP header Size(8 bytes)- IPv6 header size(40 bytes) - inner eth header (14 bytes)*/ #define MAX_L2TP_COMMAND_LEN 5000 #define MAX_SESSION_INDEX 100 #define VALIDATE_PHY_TYPE(phy_type) \ (phy_type <= QCMAP_TETH_MIN || phy_type >= QCMAP_MAX_PHY_LAN_IFACE) typedef struct { ds_dll_el_t *SessionIDHead; ds_dll_el_t *SessionIDTail; }qcmap_session_id_info_list_t; typedef struct { ds_dll_el_t *L2TP_TunnelListHead; ds_dll_el_t *L2TP_TunnelListTail; }qcmap_L2TP_Tunnel_info_list_t; typedef struct { ds_dll_el_t *L2TP_SessionListHead; ds_dll_el_t *L2TP_SessionListTail; }qcmap_L2TP_Session_info_list_t; typedef struct { uint32 local_tunnel_id; uint32 peer_tunnel_id; qcmap_msgr_ip_family_enum_v01 ip_family; struct in6_addr peer_ipv6_addr; uint32 peer_ipv4_addr; qcmap_msgr_l2tp_encap_protocol_enum_v01 proto; uint16 local_udp_port; uint16 peer_udp_port; qcmap_L2TP_Session_info_list_t session_list; uint16 vlan_id; QCMAP_Virtual_LAN_phy_iface_type phy_type; uint32 num_conf_sessions; boolean is_installed; } qcmap_L2TP_Tunnel_list_item_t; typedef struct { qcmap_msgr_l2tp_session_config_v01 sessionConfig; uint16 SessionIndex; } qcmap_L2TP_Session_list_item_t; typedef struct { char if_name[QCMAP_MAX_IFACE_NAME_SIZE_V01]; }phy_if_name; class QCMAP_L2TP { private: static bool flag; static bool l2tpEnableFlag; static QCMAP_L2TP *object; QCMAP_L2TP(); static qcmap_session_id_info_list_t sessionIDList; static qcmap_L2TP_Tunnel_info_list_t tunnel_list; static boolean is_iface_up[QCMAP_MAX_PHY_LAN_IFACE]; static phy_if_name physical_iface_name[QCMAP_MAX_PHY_LAN_IFACE]; static boolean MTU_config_enabled; static boolean TCP_MSS_config_enabled; static boolean TCP_MSS_Kernel_Configs_Enabled; static boolean eth_link_mtu_set_toggle; public: static uint8 sessionIndex[MAX_SESSION_INDEX]; /* L2TP config XML file name */ static char L2TP_xml_path[QCMAP_MSGR_MAX_L2TP_FILE_NAME_LENGTH_V01]; ~QCMAP_L2TP(); static QCMAP_L2TP *Get_Instance(boolean obj_create=false); /* ----------------------L2TP class Execution---------------------------*/ boolean ReadInstallL2TPConfigFromXML(); boolean ReadL2TPTunnelConf(pugi::xml_node *child , qcmap_L2TP_Tunnel_list_item_t *tunnel_conf); boolean AddL2TPTunnelEntryToList( qcmap_L2TP_Tunnel_list_item_t tunnel_config_info, qcmap_L2TP_Tunnel_list_item_t *tunnel_config); boolean InstallL2TP(qcmap_L2TP_Tunnel_list_item_t l2tp_config_node); boolean AddL2TPSessionEntryToList( qcmap_L2TP_Session_list_item_t session_config_info, qcmap_L2TP_Session_list_item_t *session_config, qcmap_L2TP_Session_info_list_t *session_list); boolean RemoveL2TP(qcmap_L2TP_Tunnel_list_item_t l2tp_config_node); boolean FindLeastAvailSessionIndex(uint8 *sessionIndex); boolean ConstructTunnelNode(qcmap_msgr_l2tp_config_v01 tunnel_config, qcmap_L2TP_Tunnel_list_item_t *tunnel_node); boolean MatchTunnelConfig(qcmap_L2TP_Tunnel_list_item_t *tunnel_node1, qcmap_L2TP_Tunnel_list_item_t *tunnel_node2); void FreeTunnelList(qcmap_L2TP_Tunnel_info_list_t *tunnel_list); boolean CopyTunnelConfig(qcmap_msgr_l2tp_config_v01 *dest_l2tp, qcmap_L2TP_Tunnel_list_item_t *src_l2tp); void DelL2TPNodeFromXML(qcmap_L2TP_Tunnel_list_item_t *tunnel_node); void AddL2TPNodeToXML(qcmap_L2TP_Tunnel_list_item_t *tunnel_node); boolean AddSessionIDEntryToList(uint32 session_id, uint32 *session_id_node); boolean DeleteAllTunnels(); boolean ConfigDelL2TPTCPMSS(boolean config, char *iface_name); boolean ConfigDelMTUSizeOnPhyVLANiface( boolean config, QCMAP_Virtual_LAN_phy_iface_type phy_type, uint16 vlan_id); int NumInstalledTunnelsWithPhyType(QCMAP_Virtual_LAN_phy_iface_type phy_type); int NumInstalledTunnelsWithVLANID(uint16 vlan_id); boolean InstallDelTunnelsOnPhyIface(char *iface_name, boolean install); boolean InstallDelTunnelsOnVLANIface(char *iface_name, boolean install); qmi_error_type_v01 GetTunnelConfigFromList( qcmap_L2TP_Tunnel_info_list_t *tunnel_list, qcmap_msgr_l2tp_config_v01 *l2tp_config, uint32 *num_tunnels); boolean CleanupL2TPTunnelConfig( qcmap_L2TP_Tunnel_list_item_t *tunnel_config); #if !defined(FEATURE_DATA_TARGET_MDM9607) && !defined(FEATURE_MOBILEAP_APQ_PLATFORM) && !defined(FEATURE_QCMAP_OFFTARGET) boolean UpdateIPAWithL2TPIOCTL( char *iface_name,char *phy_iface, qcmap_msgr_ip_family_enum_v01 ip_family, uint32 session_id,boolean is_up); #endif static boolean ValidateTunnelConfig( qcmap_L2TP_Tunnel_list_item_t *tunnel_conf, boolean match_session_id); static long int qcmap_match_tunnel_id_in_list( const void *first, const void *second ); static long int qcmap_match_session_id_from_list( const void *first, const void *second ); static long int qcmap_match_session_id(const void *first, const void *second); static boolean GetSetL2TPEnableConfigFromXML( qcmap_action_type action, qcmap_msgr_set_unmanaged_l2tp_state_config_v01 *l2tp_config_info); static boolean GetSetMTUEnableConfigFromXML( qcmap_action_type action, qcmap_msgr_l2tp_mtu_config_v01 *mtu_config); static boolean GetSetTCPMSSEnableConfigFromXML( qcmap_action_type action, qcmap_msgr_l2tp_TCP_MSS_config_v01 *mss_config); static boolean SetL2TPState( qcmap_msgr_set_unmanaged_l2tp_state_config_v01 l2tp_config, void *softApHandle, qmi_error_type_v01 *qmi_err_num ); static boolean SetL2TPConfig( qcmap_msgr_l2tp_config_v01 l2tp_config, void *softApHandle, qmi_error_type_v01 *qmi_err_num ); static boolean GetL2TPConfig(qcmap_msgr_l2tp_config_v01 *l2tp_config, uint32 *length, qcmap_msgr_l2tp_mode_enum_v01 *mode, qcmap_msgr_l2tp_mtu_config_v01 *l2tp_mtu_config, qcmap_msgr_l2tp_TCP_MSS_config_v01 *l2tp_mss_config, qmi_error_type_v01 *qmi_err_num ); static boolean DeleteL2TPTunnelConfig( qcmap_msgr_delete_l2tp_config_v01 l2tp_config, void *softApHandle, qmi_error_type_v01 *qmi_err_num ); static boolean SetMTUConfigForL2TP( qcmap_msgr_l2tp_mtu_config_v01 l2tp_mtu_config, void *softApHandle, qmi_error_type_v01 *qmi_err_num ); static boolean SetTCPMSSConfigForL2TP( qcmap_msgr_l2tp_TCP_MSS_config_v01 l2tp_mss_config, void *softApHandle, qmi_error_type_v01 *qmi_err_num ); }; #endif