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#pragma once
#include <stdint.h>
#include "../gtp/pdp.h"
/* 3GPP TS 24.008 10.6.5.3 */
enum pco_protocols {
PCO_P_LCP = 0xC021,
PCO_P_PAP = 0xC023,
PCO_P_CHAP = 0xC223,
PCO_P_IPCP = 0x8021,
PCO_P_PCSCF_ADDR = 0x0001,
PCO_P_IM_CN_SS_F = 0x0002,
PCO_P_DNS_IPv6_ADDR = 0x0003,
PCO_P_POLICY_CTRL_REJ = 0x0004, /* only in Network->MS */
PCO_P_MS_SUP_NETREQ_BCI = 0x0005,
/* reserved */
PCO_P_DSMIPv6_HA_ADDR = 0x0007,
PCO_P_DSMIPv6_HN_PREF = 0x0008,
PCO_P_DSMIPv6_v4_HA_ADDR= 0x0009,
PCO_P_IP_ADDR_VIA_NAS = 0x000a, /* only MS->Network */
PCO_P_IPv4_ADDR_VIA_DHCP= 0x000b, /* only MS->Netowrk */
PCO_P_PCSCF_IPv4_ADDR = 0x000c,
PCO_P_DNS_IPv4_ADDR = 0x000d,
PCO_P_MSISDN = 0x000e,
PCO_P_IFOM_SUPPORT = 0x000f,
PCO_P_IPv4_LINK_MTU = 0x0010,
PCO_P_MS_SUPP_LOC_A_TFT = 0x0011,
PCO_P_PCSCF_RESEL_SUP = 0x0012, /* only MS->Network */
PCO_P_NBIFOM_REQ = 0x0013,
PCO_P_NBIFOM_MODE = 0x0014,
PCO_P_NONIP_LINK_MTU = 0x0015,
PCO_P_APN_RATE_CTRL_SUP = 0x0016,
PCO_P_PS_DATA_OFF_UE = 0x0017,
PCO_P_REL_DATA_SVC = 0x0018,
};
struct pco_element {
uint16_t protocol_id; /* network byte order */
uint8_t length; /* length of data below */
uint8_t data[0];
} __attribute__((packed));
/* RFC 1332 */
enum ipcp_options {
IPCP_OPT_IPADDR = 3,
IPCP_OPT_PRIMARY_DNS = 129,
IPCP_OPT_SECONDARY_DNS = 131,
};
struct ipcp_option_hdr {
uint8_t type;
uint8_t len;
uint8_t data[0];
} __attribute__ ((packed));
struct ipcp_hdr {
uint8_t code;
uint8_t id;
uint16_t len;
uint8_t options[0];
} __attribute__ ((packed));
/* RFC 1334, section 3.2. Packet Format */
struct pap_element {
uint8_t code;
uint8_t id;
uint16_t len; /* length including header */
uint8_t data[0];
} __attribute__((packed));
enum pap_code {
PAP_CODE_AUTH_REQ = 1,
PAP_CODE_AUTH_ACK = 2,
PAP_CODE_AUTH_NAK = 3,
};
struct apn_ctx;
void process_pco(const struct apn_ctx *apn, struct pdp_t *pdp);
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