| anjana_sreekumar@infosys.com | 991c206 | 2020-01-08 11:42:57 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd. |
| 3 | * Copyright (c) 2017 Intel Corporation |
| 4 | * Copyright (c) 2019, Infosys Ltd. |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __S11_STRUCTS_H_ |
| 20 | #define __S11_STRUCTS_H_ |
| 21 | |
| 22 | #include <stdlib.h> |
| 23 | #include <arpa/inet.h> |
| 24 | #include <unistd.h> |
| 25 | |
| 26 | #pragma pack(1) |
| 27 | typedef struct gtpv2c_header { |
| 28 | struct gtpc{ |
| 29 | unsigned char spare :3; |
| 30 | unsigned char teidFlg :1; |
| 31 | unsigned char piggyback :1; |
| 32 | unsigned char version :3; |
| 33 | unsigned char message_type; |
| 34 | unsigned short len; |
| 35 | }gtp; |
| 36 | union teid { |
| 37 | struct has_teid_t { |
| 38 | unsigned int teid; |
| 39 | unsigned int seq :24; |
| 40 | unsigned int spare :8; |
| 41 | } has_teid; |
| 42 | struct no_teid_t { |
| 43 | unsigned int seq :24; |
| 44 | unsigned int spare :8; |
| 45 | } no_teid; |
| 46 | } teid; |
| 47 | } gtpv2c_header; |
| 48 | |
| 49 | typedef struct fteid { |
| 50 | struct fteid_header { |
| 51 | unsigned char iface_type :6; |
| 52 | unsigned char v6 :1; |
| 53 | unsigned char v4 :1; |
| 54 | unsigned int teid_gre; |
| 55 | } header; |
| 56 | union ftied_ip { |
| 57 | struct in_addr ipv4; |
| 58 | struct in6_addr ipv6; |
| 59 | struct ipv4v6_t { |
| 60 | struct in_addr ipv4; |
| 61 | struct in6_addr ipv6; |
| 62 | } ipv4v6; |
| 63 | } ip; |
| 64 | } fteid_t; |
| 65 | |
| 66 | struct PAA { |
| 67 | uint8_t pdn_type; |
| 68 | union ip_type { |
| 69 | struct in_addr ipv4; |
| 70 | struct ipv6_t { |
| 71 | uint8_t prefix_length; |
| 72 | struct in6_addr ipv6; |
| 73 | } ipv6; |
| 74 | struct paa_ipv4v6_t { |
| 75 | uint8_t prefix_length; |
| 76 | struct in6_addr ipv6; |
| 77 | struct in_addr ipv4; |
| 78 | } paa_ipv4v6; |
| 79 | } ip_type; |
| 80 | }; |
| 81 | |
| 82 | struct gtp_cause { |
| 83 | unsigned char cause; |
| 84 | unsigned char data; |
| 85 | }; |
| 86 | |
| 87 | struct bearer_ctx { |
| 88 | unsigned char eps_bearer_id; |
| 89 | struct gtp_cause cause; |
| 90 | struct fteid s1u_sgw_teid; |
| 91 | struct fteid s5s8_pgw_u_teid; |
| 92 | }; |
| 93 | |
| 94 | struct ARP { |
| 95 | uint8_t prioLevel :4; |
| 96 | uint8_t preEmptionCapab :1; |
| 97 | uint8_t preEmptionVulnebility :1; |
| 98 | uint8_t spare :2; |
| 99 | }; |
| 100 | |
| 101 | |
| 102 | struct s11_IE_header { |
| 103 | unsigned char ie_type; |
| 104 | unsigned short ie_len; |
| 105 | unsigned char cr_flag:4; |
| 106 | unsigned char instance:4; |
| 107 | }; |
| 108 | |
| 109 | union s11_IE_data { |
| 110 | struct gtp_cause cause; |
| 111 | struct fteid s11_sgw_fteid; |
| 112 | struct fteid s5s8_pgw_c_fteid; |
| 113 | struct PAA pdn_addr; |
| 114 | struct bearer_ctx bearer; |
| 115 | }; |
| 116 | |
| 117 | struct s11_IE { |
| 118 | struct s11_IE_header header; |
| 119 | union s11_IE_data data; |
| 120 | }; |
| 121 | |
| 122 | struct s11_proto_IE { |
| 123 | unsigned short message_type; |
| 124 | unsigned short no_of_ies; |
| 125 | struct s11_IE *s11_ies; |
| 126 | }; |
| 127 | |
| 128 | #pragma pack() |
| 129 | |
| 130 | #endif /* S11_STRUCTS_H */ |