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Diffstat (limited to 'pceplib/pcep_msg_objects.h')
| -rw-r--r-- | pceplib/pcep_msg_objects.h | 746 |
1 files changed, 746 insertions, 0 deletions
diff --git a/pceplib/pcep_msg_objects.h b/pceplib/pcep_msg_objects.h new file mode 100644 index 0000000..6d7d3be --- /dev/null +++ b/pceplib/pcep_msg_objects.h @@ -0,0 +1,746 @@ +/* + * This file is part of the PCEPlib, a PCEP protocol library. + * + * Copyright (C) 2020 Volta Networks https://voltanet.io/ + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * Author : Brady Johnson <brady@voltanet.io> + */ + + +/* + * This is a High Level PCEP message object API. + */ + +#ifndef PCEP_OBJECTS_H +#define PCEP_OBJECTS_H + +#include <stdbool.h> +#include <stdint.h> + +#include "pcep.h" +#include "pcep_utils_double_linked_list.h" +#include "pcep_msg_object_error_types.h" +#include "pcep_msg_tlvs.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Regarding memory usage: + * When creating objects, any objects passed into these APIs will be free'd when + * the enclosing pcep_message is free'd. That includes the double_linked_list's. + * So, just create the objects and TLVs, put them in their double_linked_list's, + * and everything will be managed internally. The enclosing message will be + * deleted by pcep_msg_free_message() or pcep_msg_free_message_list() which, + * in turn will call one of: pcep_obj_free_object() and pcep_obj_free_tlv(). + * For received messages with objects, call pcep_msg_free_message() to free + * them. + */ + +enum pcep_object_classes { + PCEP_OBJ_CLASS_OPEN = 1, + PCEP_OBJ_CLASS_RP = 2, + PCEP_OBJ_CLASS_NOPATH = 3, + PCEP_OBJ_CLASS_ENDPOINTS = 4, + PCEP_OBJ_CLASS_BANDWIDTH = 5, + PCEP_OBJ_CLASS_METRIC = 6, + PCEP_OBJ_CLASS_ERO = 7, + PCEP_OBJ_CLASS_RRO = 8, + PCEP_OBJ_CLASS_LSPA = 9, + PCEP_OBJ_CLASS_IRO = 10, + PCEP_OBJ_CLASS_SVEC = 11, + PCEP_OBJ_CLASS_NOTF = 12, + PCEP_OBJ_CLASS_ERROR = 13, + PCEP_OBJ_CLASS_CLOSE = 15, + PCEP_OBJ_CLASS_OF = 21, + PCEP_OBJ_CLASS_LSP = 32, + PCEP_OBJ_CLASS_SRP = 33, + PCEP_OBJ_CLASS_VENDOR_INFO = 34, + PCEP_OBJ_CLASS_INTER_LAYER = 36, /* RFC 8282 */ + PCEP_OBJ_CLASS_SWITCH_LAYER = 37, /* RFC 8282 */ + PCEP_OBJ_CLASS_REQ_ADAP_CAP = 38, /* RFC 8282 */ + PCEP_OBJ_CLASS_SERVER_IND = 39, /* RFC 8282 */ + PCEP_OBJ_CLASS_ASSOCIATION = 40, /*draft-ietf-pce-association-group-10*/ + PCEP_OBJ_CLASS_MAX, +}; + +enum pcep_object_types { + PCEP_OBJ_TYPE_OPEN = 1, + PCEP_OBJ_TYPE_RP = 1, + PCEP_OBJ_TYPE_NOPATH = 1, + PCEP_OBJ_TYPE_ENDPOINT_IPV4 = 1, + PCEP_OBJ_TYPE_ENDPOINT_IPV6 = 2, + PCEP_OBJ_TYPE_BANDWIDTH_REQ = 1, + PCEP_OBJ_TYPE_BANDWIDTH_TELSP = 2, + PCEP_OBJ_TYPE_BANDWIDTH_CISCO = + 5, /* IANA unassigned, but rcvd from Cisco PCE */ + PCEP_OBJ_TYPE_SRP = 1, + PCEP_OBJ_TYPE_VENDOR_INFO = 1, + PCEP_OBJ_TYPE_LSP = 1, + PCEP_OBJ_TYPE_METRIC = 1, + PCEP_OBJ_TYPE_ERO = 1, + PCEP_OBJ_TYPE_RRO = 1, + PCEP_OBJ_TYPE_LSPA = 1, + PCEP_OBJ_TYPE_IRO = 1, + PCEP_OBJ_TYPE_SVEC = 1, + PCEP_OBJ_TYPE_NOTF = 1, + PCEP_OBJ_TYPE_ERROR = 1, + PCEP_OBJ_TYPE_CLOSE = 1, + PCEP_OBJ_TYPE_INTER_LAYER = 1, + PCEP_OBJ_TYPE_SWITCH_LAYER = 1, + PCEP_OBJ_TYPE_REQ_ADAP_CAP = 1, + PCEP_OBJ_TYPE_SERVER_IND = 1, + PCEP_OBJ_TYPE_ASSOCIATION_IPV4 = + 1, /*draft-ietf-pce-association-group-10*/ + PCEP_OBJ_TYPE_ASSOCIATION_IPV6 = + 2, /*draft-ietf-pce-association-group-10*/ + PCEP_OBJ_TYPE_OF = 1, + PCEP_OBJ_TYPE_MAX = 2, +}; + +#define OBJECT_HEADER_FLAG_I 0x01 +#define OBJECT_HEADER_FLAG_P 0x02 + +/* The flag_p and flag_i arent set via the APIs, if they need to be set, just + * set them on the returned object once it has been created. */ +struct pcep_object_header { + enum pcep_object_classes object_class; + enum pcep_object_types object_type; + bool flag_p; /* PCC Processing rule bit: When set, the object MUST be + taken into account, when cleared the object is optional. + */ + bool flag_i; /* PCE Ignore bit: indicates to a PCC whether or not an + optional object was processed */ + double_linked_list *tlv_list; + /* Pointer into encoded_message field from the pcep_message */ + const uint8_t *encoded_object; + uint16_t encoded_object_length; +}; + +#define PCEP_OBJECT_OPEN_VERSION 1 + +struct pcep_object_open { + struct pcep_object_header header; + uint8_t open_version; /* PCEP version. Current version is 1 */ + uint8_t open_keepalive; /* Maximum period of time between two + consecutive PCEP messages sent by the sender. + */ + uint8_t open_deadtimer; /* Specifies the amount of time before closing + the session down. */ + uint8_t open_sid; /* PCEP session number that identifies the current + session. */ +}; + +#define OBJECT_RP_FLAG_R 0x08 +#define OBJECT_RP_FLAG_B 0x10 +#define OBJECT_RP_FLAG_O 0x20 +#define OBJECT_RP_FLAG_OF 0x80 +#define OBJECT_RP_MAX_PRIORITY 0x07 + +struct pcep_object_rp { + struct pcep_object_header header; + uint8_t priority; /* 3 bit priority, max priority is 7 */ + bool flag_reoptimization; + bool flag_bidirectional; + bool flag_strict; /* when set, a loose path is acceptable */ + bool flag_of; /* Supply Objective Function on Response */ + uint32_t request_id; /* The Request-id-number value combined with the + source for PCC & PCE creates a uniquely number. + */ +}; + +enum pcep_notification_types { + PCEP_NOTIFY_TYPE_PENDING_REQUEST_CANCELLED = 1, + PCEP_NOTIFY_TYPE_PCE_OVERLOADED = 2 +}; + +enum pcep_notification_values { + PCEP_NOTIFY_VALUE_PCC_CANCELLED_REQUEST = 1, + PCEP_NOTIFY_VALUE_PCE_CANCELLED_REQUEST = 2, + PCEP_NOTIFY_VALUE_PCE_CURRENTLY_OVERLOADED = 1, + PCEP_NOTIFY_VALUE_PCE_NO_LONGER_OVERLOADED = 2 +}; + +struct pcep_object_notify { + struct pcep_object_header header; + enum pcep_notification_types notification_type; + enum pcep_notification_values notification_value; +}; + +enum pcep_association_type { + PCEP_ASSOCIATION_TYPE_PATH_PROTECTION_ASSOCIATION = + 1, // iana unique value define as 2020-01-08! + PCEP_ASSOCIATION_TYPE_SR_POLICY_ASSOCIATION_TYPE = + 65535 // TBD1 draft-barth-pce-segment-routing-policy-cp-04 +}; +#define OBJECT_ASSOCIATION_FLAG_R 0x01 +struct pcep_object_association_ipv4 { // draft-ietf-pce-association-group-10 + struct pcep_object_header header; + bool R_flag; + uint16_t association_type; + uint16_t association_id; + struct in_addr src; +}; + +struct pcep_object_association_ipv6 { // draft-ietf-pce-association-group-10 + struct pcep_object_header header; + bool R_flag; + uint16_t association_type; + uint16_t association_id; + struct in6_addr src; +}; + + +enum pcep_nopath_nature_of_issue { + PCEP_NOPATH_NI_NO_PATH_FOUND = 0, + PCEP_NOPATH_NI_PCE_CHAIN_BROKEN = 1, +}; + +enum pcep_nopath_tlv_err_codes { + PCEP_NOPATH_TLV_ERR_NO_TLV = 0, + PCEP_NOPATH_TLV_ERR_PCE_UNAVAILABLE = 1, + PCEP_NOPATH_TLV_ERR_UNKNOWN_DST = 2, + PCEP_NOPATH_TLV_ERR_UNKNOWN_SRC = 3 +}; + +#define OBJECT_NOPATH_FLAG_C 0x80 + +struct pcep_object_nopath { + struct pcep_object_header header; + uint8_t ni; /* Nature of Issue, reports the nature of the issue that led + to a negative reply */ + bool flag_c; /* when set, indicates the unsatisfied constraints by + including relevant PCEP objects. */ + enum pcep_nopath_tlv_err_codes + err_code; /* When set other than 0, an appropriate TLV will be + included */ +}; + +struct pcep_object_endpoints_ipv4 { + struct pcep_object_header header; + struct in_addr src_ipv4; + struct in_addr dst_ipv4; +}; + +struct pcep_object_endpoints_ipv6 { + struct pcep_object_header header; + struct in6_addr src_ipv6; + struct in6_addr dst_ipv6; +}; + +/* PCEP floats are encoded according to: + * https://en.wikipedia.org/wiki/IEEE_754-1985 + * Luckily, this is the same encoding used by C */ +struct pcep_object_bandwidth { + struct pcep_object_header header; + float bandwidth; +}; + +enum pcep_metric_types { + /* RFC 5440 */ + PCEP_METRIC_IGP = 1, + PCEP_METRIC_TE = 2, + PCEP_METRIC_HOP_COUNT = 3, + /* RFC 5541 */ + PCEP_METRIC_AGGREGATE_BW = 4, + PCEP_METRIC_MOST_LOADED_LINK = 5, + PCEP_METRIC_CUMULATIVE_IGP = 6, + PCEP_METRIC_CUMULATIVE_TE = 7, + /* RFC 8306 */ + PCEP_METRIC_P2MP_IGP = 8, + PCEP_METRIC_P2MP_TE = 9, + PCEP_METRIC_P2MP_HOP_COUNT = 10, + /* RFC 8864 */ + PCEP_METRIC_SEGMENT_ID_DEPTH = 11, + /* RFC 8233 */ + PCEP_METRIC_PATH_DELAY = 12, + PCEP_METRIC_PATH_DELAY_VARIATION = 13, + PCEP_METRIC_PATH_LOSS = 14, + PCEP_METRIC_P2MP_PATH_DELAY = 15, + PCEP_METRIC_P2MP_PATH_DELAY_VARIATION = 16, + PCEP_METRIC_P2MP_PATH_LOSS = 17, + /* RFC 8282 */ + PCEP_METRIC_NUM_PATH_ADAPTATIONS = 18, + PCEP_METRIC_NUM_PATH_LAYERS = 19, + /* RFC 8685 */ + PCEP_METRIC_DOMAIN_COUNT = 20, + PCEP_METRIC_BORDER_NODE_COUNT = 21, +}; + +#define OBJECT_METRIC_FLAC_B 0x01 +#define OBJECT_METRIC_FLAC_C 0x02 + +/* PCEP floats are encoded according to: + * https://en.wikipedia.org/wiki/IEEE_754-1985 + * Luckily, this is the same encoding used by C */ +struct pcep_object_metric { + struct pcep_object_header header; + enum pcep_metric_types type; + bool flag_b; /* Bound flag */ + bool flag_c; /* Computed metric */ + float value; /* Metric value in 32 bits */ +}; + +#define OBJECT_LSPA_FLAG_L 0x01 + +struct pcep_object_lspa { + struct pcep_object_header header; + uint32_t lspa_exclude_any; + uint32_t lspa_include_any; + uint32_t lspa_include_all; + uint8_t setup_priority; + uint8_t holding_priority; + bool flag_local_protection; /* Local protection desired bit */ +}; + +/* The SVEC object with some custom extensions. */ +#define OBJECT_SVEC_FLAG_L 0x01 +#define OBJECT_SVEC_FLAG_N 0x02 +#define OBJECT_SVEC_FLAG_S 0x04 + +struct pcep_object_svec { + struct pcep_object_header header; + bool flag_link_diverse; + bool flag_node_diverse; + bool flag_srlg_diverse; + double_linked_list + *request_id_list; /* list of 32-bit request ID pointers */ +}; + +struct pcep_object_error { + struct pcep_object_header header; + enum pcep_error_type error_type; + enum pcep_error_value error_value; +}; + +struct pcep_object_load_balancing { + struct pcep_object_header header; + uint8_t load_maxlsp; /* Maximum number of TE LSPs in the set */ + uint32_t load_minband; /* Specifies the minimum bandwidth of each + element */ +}; + +enum pcep_close_reason { + PCEP_CLOSE_REASON_NO = 1, + PCEP_CLOSE_REASON_DEADTIMER = 2, + PCEP_CLOSE_REASON_FORMAT = 3, + PCEP_CLOSE_REASON_UNKNOWN_REQ = 4, + PCEP_CLOSE_REASON_UNREC_MSG = 5 +}; + +struct pcep_object_close { + struct pcep_object_header header; + enum pcep_close_reason reason; +}; + +/* Stateful PCE Request Parameters RFC 8231, 8281 */ + +#define OBJECT_SRP_FLAG_R 0x01 + +struct pcep_object_srp { + struct pcep_object_header header; + bool flag_lsp_remove; /* RFC 8281 */ + uint32_t srp_id_number; +}; + +/* Label Switched Path Object RFC 8231 */ +enum pcep_lsp_operational_status { + PCEP_LSP_OPERATIONAL_DOWN = 0, + PCEP_LSP_OPERATIONAL_UP = 1, + PCEP_LSP_OPERATIONAL_ACTIVE = 2, + PCEP_LSP_OPERATIONAL_GOING_DOWN = 3, + PCEP_LSP_OPERATIONAL_GOING_UP = 4, +}; + +#define MAX_PLSP_ID 0x000fffff /* The plsp_id is only 20 bits */ +#define MAX_LSP_STATUS 0x0007 /* The status is only 3 bits */ +#define OBJECT_LSP_FLAG_D 0x01 +#define OBJECT_LSP_FLAG_S 0x02 +#define OBJECT_LSP_FLAG_R 0x04 +#define OBJECT_LSP_FLAG_A 0x08 +#define OBJECT_LSP_FLAG_C 0x80 + +struct pcep_object_lsp { + struct pcep_object_header header; + uint32_t plsp_id; /* plsp_id is 20 bits, must be <= MAX_PLSP_ID*/ + enum pcep_lsp_operational_status operational_status; /* max 3 bits */ + bool flag_d; + bool flag_s; + bool flag_r; + bool flag_a; + bool flag_c; +}; + +#define ENTERPRISE_NUMBER_CISCO 9 +#define ENTERPRISE_COLOR_CISCO 65540 +/* RFC 7470 */ +struct pcep_object_vendor_info { + struct pcep_object_header header; + uint32_t enterprise_number; + uint32_t enterprise_specific_info; + uint32_t enterprise_specific_info1; /* cisco sends color for PcInit */ + uint32_t enterprise_specific_info2; + uint32_t enterprise_specific_info3; +}; + +/* RFC 8282 */ +#define OBJECT_INTER_LAYER_FLAG_I 0x01 +#define OBJECT_INTER_LAYER_FLAG_M 0x02 +#define OBJECT_INTER_LAYER_FLAG_T 0x04 + +struct pcep_object_inter_layer { + struct pcep_object_header header; + bool flag_i; + bool flag_m; + bool flag_t; +}; + +/* RFC 8282 */ +#define OBJECT_SWITCH_LAYER_FLAG_I 0x01 +enum pcep_lsp_encoding_type { + /* Values taken from RFC 3471 as suggested by RFC 8282 */ + PCEP_LSP_ENC_PACKET = 1, + PCEP_LSP_ENC_ETHERNET = 2, + PCEP_LSP_ENC_PDH = 3, + PCEP_LSP_ENC_RESERVED4 = 4, + PCEP_LSP_ENC_SDH_SONET = 5, + PCEP_LSP_ENC_RESERVED6 = 6, + PCEP_LSP_ENC_DIG_WRAPPER = 7, + PCEP_LSP_ENC_LAMBDA = 8, + PCEP_LSP_ENC_FIBER = 9, + PCEP_LSP_ENC_RESERVED10 = 10, + PCEP_LSP_ENC_FIBER_CHAN = 11 +}; + +enum pcep_switching_capability { + /* Switching capability values taken from RFC 4203/3471 as suggested by + RFC 8282 */ + PCEP_SW_CAP_PSC1 = 1, /* Packet-Switch Capable-1 (PSC-1) */ + PCEP_SW_CAP_PSC2 = 2, + PCEP_SW_CAP_PSC3 = 3, + PCEP_SW_CAP_PSC4 = 4, + PCEP_SW_CAP_L2SC = 51, /* Layer-2 Switch Capable */ + PCEP_SW_CAP_TDM = 100, /* Time-Division-Multiplex Capable */ + PCEP_SW_CAP_LSC = 150, /* Lambda-Switch Capable */ + PCEP_SW_CAP_FSC = 200 /* Fiber-Switch Capable */ +}; + +struct pcep_object_switch_layer_row { + enum pcep_lsp_encoding_type lsp_encoding_type; + enum pcep_switching_capability switching_type; + bool flag_i; +}; + +struct pcep_object_switch_layer { + struct pcep_object_header header; + double_linked_list + *switch_layer_rows; /* list of struct + pcep_object_switch_layer_row */ +}; + +/* RFC 8282 + * Requested Adaptation capability */ + +struct pcep_object_req_adap_cap { + struct pcep_object_header header; + enum pcep_switching_capability switching_capability; + enum pcep_lsp_encoding_type encoding; +}; + +/* RFC 8282 */ + +struct pcep_object_server_indication { + struct pcep_object_header header; + enum pcep_switching_capability switching_capability; + enum pcep_lsp_encoding_type encoding; + /* This object is identical to req_adap_cap, except it allows TLVs */ +}; + +/* Objective Function Object: RFC 5541 */ + +struct pcep_object_objective_function { + struct pcep_object_header header; + uint16_t of_code; +}; + +/* + * Common Route Object sub-object definitions + * used by ERO, IRO, and RRO + */ + +/* Common Route Object sub-object types + * used by ERO, IRO, and RRO */ +enum pcep_ro_subobj_types { + RO_SUBOBJ_TYPE_IPV4 = 1, /* RFC 3209 */ + RO_SUBOBJ_TYPE_IPV6 = 2, /* RFC 3209 */ + RO_SUBOBJ_TYPE_LABEL = 3, /* RFC 3209 */ + RO_SUBOBJ_TYPE_UNNUM = 4, /* RFC 3477 */ + RO_SUBOBJ_TYPE_ASN = 32, /* RFC 3209, Section 4.3.3.4 */ + RO_SUBOBJ_TYPE_SR = 36, /* RFC 8408, draft-ietf-pce-segment-routing-16. + Type 5 for draft07 has been assigned to + something else. */ + RO_SUBOBJ_UNKNOWN +}; + +struct pcep_object_ro { + struct pcep_object_header header; + double_linked_list + *sub_objects; /* list of struct pcep_object_ro_subobj */ +}; + +struct pcep_object_ro_subobj { + bool flag_subobj_loose_hop; /* L subobj flag */ + enum pcep_ro_subobj_types ro_subobj_type; +}; + +#define OBJECT_SUBOBJ_IP_FLAG_LOCAL_PROT 0x01 + +struct pcep_ro_subobj_ipv4 { + struct pcep_object_ro_subobj ro_subobj; + struct in_addr ip_addr; + uint8_t prefix_length; + bool flag_local_protection; +}; + +struct pcep_ro_subobj_ipv6 { + struct pcep_object_ro_subobj ro_subobj; + struct in6_addr ip_addr; + uint8_t prefix_length; + bool flag_local_protection; +}; + +struct pcep_ro_subobj_unnum { + struct pcep_object_ro_subobj ro_subobj; + struct in_addr router_id; + uint32_t interface_id; +}; + +#define OBJECT_SUBOBJ_LABEL_FLAG_GLOGAL 0x01 +struct pcep_ro_subobj_32label { + struct pcep_object_ro_subobj ro_subobj; + bool flag_global_label; + uint8_t class_type; /* label class-type (generalized label = 2) */ + uint32_t label; /* label supported */ +}; + +struct pcep_ro_subobj_asn { + struct pcep_object_ro_subobj ro_subobj; + uint16_t asn; /* Autonomous system number */ +}; + +/* The SR ERO and SR RRO subobjects are the same, except + * the SR-RRO does not have the L flag in the Type field. + * Defined in draft-ietf-pce-segment-routing-16 */ +enum pcep_sr_subobj_nai { + PCEP_SR_SUBOBJ_NAI_ABSENT = 0, + PCEP_SR_SUBOBJ_NAI_IPV4_NODE = 1, + PCEP_SR_SUBOBJ_NAI_IPV6_NODE = 2, + PCEP_SR_SUBOBJ_NAI_IPV4_ADJACENCY = 3, + PCEP_SR_SUBOBJ_NAI_IPV6_ADJACENCY = 4, + PCEP_SR_SUBOBJ_NAI_UNNUMBERED_IPV4_ADJACENCY = 5, + PCEP_SR_SUBOBJ_NAI_LINK_LOCAL_IPV6_ADJACENCY = 6, + PCEP_SR_SUBOBJ_NAI_UNKNOWN +}; + +#define OBJECT_SUBOBJ_SR_FLAG_M 0x01 +#define OBJECT_SUBOBJ_SR_FLAG_C 0x02 +#define OBJECT_SUBOBJ_SR_FLAG_S 0x04 +#define OBJECT_SUBOBJ_SR_FLAG_F 0x08 + +struct pcep_ro_subobj_sr { + struct pcep_object_ro_subobj ro_subobj; + enum pcep_sr_subobj_nai nai_type; + bool flag_f; + bool flag_s; + bool flag_c; + bool flag_m; + + /* The SID and NAI are optional depending on the flags, + * and the NAI can be variable length */ + uint32_t sid; + double_linked_list + *nai_list; /* double linked list of in_addr or in6_addr */ +}; + +/* Macros to make a SID Label + * + * 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Label + | Label | TC |S| TTL | Stack + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Entry + */ +#define ENCODE_SR_ERO_SID(label_20bits, tc_3bits, stack_bottom_bit, ttl_8bits) \ + ((((label_20bits) << 12) & 0xfffff000) \ + | (((tc_3bits) << 9) & 0x00000e00) \ + | (((stack_bottom_bit) << 8) & 0x00000100) | ((ttl_8bits)&0xff)) +#define GET_SR_ERO_SID_LABEL(SID) ((SID & 0xfffff000) >> 12) +#define GET_SR_ERO_SID_TC(SID) ((SID & 0x00000e00) >> 9) +#define GET_SR_ERO_SID_S(SID) ((SID & 0x00000100) >> 8) +#define GET_SR_ERO_SID_TTL(SID) ((SID & 0x000000ff)) + +/* + * All created objects will be in Host byte order, except for IPs. + * All IP addresses are expected to be passed-in in Network byte order, + * and any objects received will have their IPs in Network byte order. + * The message containing the objects should be converted to Network byte order + * with pcep_encode_msg_header() before sending, which will also convert the + * Objects, TLVs, and sub-objects. + */ + +struct pcep_object_open *pcep_obj_create_open(uint8_t keepalive, + uint8_t deadtimer, uint8_t sid, + double_linked_list *tlv_list); +struct pcep_object_rp *pcep_obj_create_rp(uint8_t priority, bool flag_r, + bool flag_b, bool flag_s, + bool flag_of, uint32_t reqid, + double_linked_list *tlv_list); +struct pcep_object_notify * +pcep_obj_create_notify(enum pcep_notification_types notification_type, + enum pcep_notification_values notification_value); +struct pcep_object_nopath * +pcep_obj_create_nopath(uint8_t ni, bool flag_c, + enum pcep_nopath_tlv_err_codes error_code); +struct pcep_object_association_ipv4 * +pcep_obj_create_association_ipv4(bool r_flag, uint16_t association_type, + uint16_t association_id, struct in_addr src); +struct pcep_object_association_ipv6 * +pcep_obj_create_association_ipv6(bool r_flag, uint16_t association_type, + uint16_t association_id, struct in6_addr src); +struct pcep_object_endpoints_ipv4 * +pcep_obj_create_endpoint_ipv4(const struct in_addr *src_ipv4, + const struct in_addr *dst_ipv4); +struct pcep_object_endpoints_ipv6 * +pcep_obj_create_endpoint_ipv6(const struct in6_addr *src_ipv6, + const struct in6_addr *dst_ipv6); +struct pcep_object_bandwidth *pcep_obj_create_bandwidth(float bandwidth); +struct pcep_object_metric *pcep_obj_create_metric(enum pcep_metric_types type, + bool flag_b, bool flag_c, + float value); +struct pcep_object_lspa * +pcep_obj_create_lspa(uint32_t exclude_any, uint32_t include_any, + uint32_t include_all, uint8_t setup_priority, + uint8_t holding_priority, bool flag_local_protection); +struct pcep_object_svec * +pcep_obj_create_svec(bool srlg, bool node, bool link, + double_linked_list *request_id_list); +struct pcep_object_error * +pcep_obj_create_error(enum pcep_error_type error_type, + enum pcep_error_value error_value); +struct pcep_object_close *pcep_obj_create_close(enum pcep_close_reason reason); +struct pcep_object_srp *pcep_obj_create_srp(bool lsp_remove, + uint32_t srp_id_number, + double_linked_list *tlv_list); +struct pcep_object_lsp * +pcep_obj_create_lsp(uint32_t plsp_id, enum pcep_lsp_operational_status status, + bool c_flag, bool a_flag, bool r_flag, bool s_flag, + bool d_flag, double_linked_list *tlv_list); +struct pcep_object_vendor_info * +pcep_obj_create_vendor_info(uint32_t enterprise_number, + uint32_t enterprise_spec_info); +struct pcep_object_inter_layer * +pcep_obj_create_inter_layer(bool flag_i, bool flag_m, bool flag_t); +struct pcep_object_switch_layer * +pcep_obj_create_switch_layer(double_linked_list *switch_layer_rows); +struct pcep_object_req_adap_cap * +pcep_obj_create_req_adap_cap(enum pcep_switching_capability sw_cap, + enum pcep_lsp_encoding_type encoding); +struct pcep_object_server_indication * +pcep_obj_create_server_indication(enum pcep_switching_capability sw_cap, + enum pcep_lsp_encoding_type encoding, + double_linked_list *tlv_list); +struct pcep_object_objective_function * +pcep_obj_create_objective_function(uint16_t of_code, + double_linked_list *tlv_list); + +/* Route Object (Explicit ero, Reported rro, and Include iro) functions + * First, the sub-objects should be created and appended to a + * double_linked_list, then call one of these Route Object creation functions + * with the subobj list */ +struct pcep_object_ro *pcep_obj_create_ero(double_linked_list *ero_list); +struct pcep_object_ro *pcep_obj_create_rro(double_linked_list *rro_list); +struct pcep_object_ro *pcep_obj_create_iro(double_linked_list *iro_list); +/* Route Object sub-object creation functions */ +struct pcep_ro_subobj_ipv4 * +pcep_obj_create_ro_subobj_ipv4(bool loose_hop, const struct in_addr *ro_ipv4, + uint8_t prefix_len, bool flag_local_prot); +struct pcep_ro_subobj_ipv6 * +pcep_obj_create_ro_subobj_ipv6(bool loose_hop, const struct in6_addr *ro_ipv6, + uint8_t prefix_len, bool flag_local_prot); +struct pcep_ro_subobj_unnum * +pcep_obj_create_ro_subobj_unnum(struct in_addr *router_id, uint32_t if_id); +struct pcep_ro_subobj_32label * +pcep_obj_create_ro_subobj_32label(bool flag_global_label, uint8_t class_type, + uint32_t label); +struct pcep_ro_subobj_asn *pcep_obj_create_ro_subobj_asn(uint16_t asn); + +/* SR ERO and SR RRO creation functions for different NAI (Node/Adj ID) types. + * - The loose_hop is only used for sr ero and must always be false for sr rro. + * - The NAI value will be set internally, depending on which function is used. + * m_flag: + * - If this flag is true, the SID value represents an MPLS label stack + * entry as specified in [RFC3032]. Otherwise, the SID value is an + * administratively configured value which represents an index into + * an MPLS label space (either SRGB or SRLB) per [RFC8402]. + * c_flag: + * - If the M flag and the C flag are both true, then the TC, S, and TTL + * fields in the MPLS label stack entry are specified by the PCE. However, + * a PCC MAY choose to override these values according to its local policy + * and MPLS forwarding rules. + * - If the M flag is true but the C flag is false, then the TC, S, and TTL + * fields MUST be ignored by the PCC. + * - The PCC MUST set these fields according to its local policy and MPLS + * forwarding rules. + * - If the M flag is false then the C bit MUST be false. */ +struct pcep_ro_subobj_sr *pcep_obj_create_ro_subobj_sr_nonai(bool loose_hop, + uint32_t sid, + bool c_flag, + bool m_flag); + +/* The ipv4_node_id will be copied internally */ +struct pcep_ro_subobj_sr * +pcep_obj_create_ro_subobj_sr_ipv4_node(bool loose_hop, bool sid_absent, + bool c_flag, bool m_flag, uint32_t sid, + struct in_addr *ipv4_node_id); +/* The ipv6_node_id will be copied internally */ +struct pcep_ro_subobj_sr * +pcep_obj_create_ro_subobj_sr_ipv6_node(bool loose_hop, bool sid_absent, + bool c_flag, bool m_flag, uint32_t sid, + struct in6_addr *ipv6_node_id); +/* The local_ipv4 and remote_ipv4 will be copied internally */ +struct pcep_ro_subobj_sr *pcep_obj_create_ro_subobj_sr_ipv4_adj( + bool loose_hop, bool sid_absent, bool c_flag, bool m_flag, uint32_t sid, + struct in_addr *local_ipv4, struct in_addr *remote_ipv4); +/* The local_ipv6 and remote_ipv6 will be copied internally */ +struct pcep_ro_subobj_sr *pcep_obj_create_ro_subobj_sr_ipv6_adj( + bool loose_hop, bool sid_absent, bool c_flag, bool m_flag, uint32_t sid, + struct in6_addr *local_ipv6, struct in6_addr *remote_ipv6); +struct pcep_ro_subobj_sr *pcep_obj_create_ro_subobj_sr_unnumbered_ipv4_adj( + bool loose_hop, bool sid_absent, bool c_flag, bool m_flag, uint32_t sid, + uint32_t local_node_id, uint32_t local_if_id, uint32_t remote_node_id, + uint32_t remote_if_id); +/* The local_ipv6 and remote_ipv6 will be copied internally */ +struct pcep_ro_subobj_sr *pcep_obj_create_ro_subobj_sr_linklocal_ipv6_adj( + bool loose_hop, bool sid_absent, bool c_flag, bool m_flag, uint32_t sid, + struct in6_addr *local_ipv6, uint32_t local_if_id, + struct in6_addr *remote_ipv6, uint32_t remote_if_id); + +#ifdef __cplusplus +} +#endif + +#endif |