1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef __LINUX_IF_PACKET_H 8 #define __LINUX_IF_PACKET_H 9 #include <asm/byteorder.h> 10 #include <linux/types.h> 11 struct sockaddr_pkt { 12 unsigned short spkt_family; 13 unsigned char spkt_device[14]; 14 __be16 spkt_protocol; 15 }; 16 struct sockaddr_ll { 17 unsigned short sll_family; 18 __be16 sll_protocol; 19 int sll_ifindex; 20 unsigned short sll_hatype; 21 unsigned char sll_pkttype; 22 unsigned char sll_halen; 23 unsigned char sll_addr[8]; 24 }; 25 #define PACKET_HOST 0 26 #define PACKET_BROADCAST 1 27 #define PACKET_MULTICAST 2 28 #define PACKET_OTHERHOST 3 29 #define PACKET_OUTGOING 4 30 #define PACKET_LOOPBACK 5 31 #define PACKET_USER 6 32 #define PACKET_KERNEL 7 33 #define PACKET_FASTROUTE 6 34 #define PACKET_ADD_MEMBERSHIP 1 35 #define PACKET_DROP_MEMBERSHIP 2 36 #define PACKET_RECV_OUTPUT 3 37 #define PACKET_RX_RING 5 38 #define PACKET_STATISTICS 6 39 #define PACKET_COPY_THRESH 7 40 #define PACKET_AUXDATA 8 41 #define PACKET_ORIGDEV 9 42 #define PACKET_VERSION 10 43 #define PACKET_HDRLEN 11 44 #define PACKET_RESERVE 12 45 #define PACKET_TX_RING 13 46 #define PACKET_LOSS 14 47 #define PACKET_VNET_HDR 15 48 #define PACKET_TX_TIMESTAMP 16 49 #define PACKET_TIMESTAMP 17 50 #define PACKET_FANOUT 18 51 #define PACKET_TX_HAS_OFF 19 52 #define PACKET_QDISC_BYPASS 20 53 #define PACKET_ROLLOVER_STATS 21 54 #define PACKET_FANOUT_DATA 22 55 #define PACKET_IGNORE_OUTGOING 23 56 #define PACKET_VNET_HDR_SZ 24 57 #define PACKET_FANOUT_HASH 0 58 #define PACKET_FANOUT_LB 1 59 #define PACKET_FANOUT_CPU 2 60 #define PACKET_FANOUT_ROLLOVER 3 61 #define PACKET_FANOUT_RND 4 62 #define PACKET_FANOUT_QM 5 63 #define PACKET_FANOUT_CBPF 6 64 #define PACKET_FANOUT_EBPF 7 65 #define PACKET_FANOUT_FLAG_ROLLOVER 0x1000 66 #define PACKET_FANOUT_FLAG_UNIQUEID 0x2000 67 #define PACKET_FANOUT_FLAG_IGNORE_OUTGOING 0x4000 68 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 69 struct tpacket_stats { 70 unsigned int tp_packets; 71 unsigned int tp_drops; 72 }; 73 struct tpacket_stats_v3 { 74 unsigned int tp_packets; 75 unsigned int tp_drops; 76 unsigned int tp_freeze_q_cnt; 77 }; 78 struct tpacket_rollover_stats { 79 __aligned_u64 tp_all; 80 __aligned_u64 tp_huge; 81 __aligned_u64 tp_failed; 82 }; 83 union tpacket_stats_u { 84 struct tpacket_stats stats1; 85 struct tpacket_stats_v3 stats3; 86 }; 87 struct tpacket_auxdata { 88 __u32 tp_status; 89 __u32 tp_len; 90 __u32 tp_snaplen; 91 __u16 tp_mac; 92 __u16 tp_net; 93 __u16 tp_vlan_tci; 94 __u16 tp_vlan_tpid; 95 }; 96 #define TP_STATUS_KERNEL 0 97 #define TP_STATUS_USER (1 << 0) 98 #define TP_STATUS_COPY (1 << 1) 99 #define TP_STATUS_LOSING (1 << 2) 100 #define TP_STATUS_CSUMNOTREADY (1 << 3) 101 #define TP_STATUS_VLAN_VALID (1 << 4) 102 #define TP_STATUS_BLK_TMO (1 << 5) 103 #define TP_STATUS_VLAN_TPID_VALID (1 << 6) 104 #define TP_STATUS_CSUM_VALID (1 << 7) 105 #define TP_STATUS_GSO_TCP (1 << 8) 106 #define TP_STATUS_AVAILABLE 0 107 #define TP_STATUS_SEND_REQUEST (1 << 0) 108 #define TP_STATUS_SENDING (1 << 1) 109 #define TP_STATUS_WRONG_FORMAT (1 << 2) 110 #define TP_STATUS_TS_SOFTWARE (1 << 29) 111 #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) 112 #define TP_STATUS_TS_RAW_HARDWARE (1U << 31) 113 #define TP_FT_REQ_FILL_RXHASH 0x1 114 struct tpacket_hdr { 115 unsigned long tp_status; 116 unsigned int tp_len; 117 unsigned int tp_snaplen; 118 unsigned short tp_mac; 119 unsigned short tp_net; 120 unsigned int tp_sec; 121 unsigned int tp_usec; 122 }; 123 #define TPACKET_ALIGNMENT 16 124 #define TPACKET_ALIGN(x) (((x) + TPACKET_ALIGNMENT - 1) & ~(TPACKET_ALIGNMENT - 1)) 125 #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) 126 struct tpacket2_hdr { 127 __u32 tp_status; 128 __u32 tp_len; 129 __u32 tp_snaplen; 130 __u16 tp_mac; 131 __u16 tp_net; 132 __u32 tp_sec; 133 __u32 tp_nsec; 134 __u16 tp_vlan_tci; 135 __u16 tp_vlan_tpid; 136 __u8 tp_padding[4]; 137 }; 138 struct tpacket_hdr_variant1 { 139 __u32 tp_rxhash; 140 __u32 tp_vlan_tci; 141 __u16 tp_vlan_tpid; 142 __u16 tp_padding; 143 }; 144 struct tpacket3_hdr { 145 __u32 tp_next_offset; 146 __u32 tp_sec; 147 __u32 tp_nsec; 148 __u32 tp_snaplen; 149 __u32 tp_len; 150 __u32 tp_status; 151 __u16 tp_mac; 152 __u16 tp_net; 153 union { 154 struct tpacket_hdr_variant1 hv1; 155 }; 156 __u8 tp_padding[8]; 157 }; 158 struct tpacket_bd_ts { 159 unsigned int ts_sec; 160 union { 161 unsigned int ts_usec; 162 unsigned int ts_nsec; 163 }; 164 }; 165 struct tpacket_hdr_v1 { 166 __u32 block_status; 167 __u32 num_pkts; 168 __u32 offset_to_first_pkt; 169 __u32 blk_len; 170 __aligned_u64 seq_num; 171 struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; 172 }; 173 union tpacket_bd_header_u { 174 struct tpacket_hdr_v1 bh1; 175 }; 176 struct tpacket_block_desc { 177 __u32 version; 178 __u32 offset_to_priv; 179 union tpacket_bd_header_u hdr; 180 }; 181 #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) 182 #define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll)) 183 enum tpacket_versions { 184 TPACKET_V1, 185 TPACKET_V2, 186 TPACKET_V3 187 }; 188 struct tpacket_req { 189 unsigned int tp_block_size; 190 unsigned int tp_block_nr; 191 unsigned int tp_frame_size; 192 unsigned int tp_frame_nr; 193 }; 194 struct tpacket_req3 { 195 unsigned int tp_block_size; 196 unsigned int tp_block_nr; 197 unsigned int tp_frame_size; 198 unsigned int tp_frame_nr; 199 unsigned int tp_retire_blk_tov; 200 unsigned int tp_sizeof_priv; 201 unsigned int tp_feature_req_word; 202 }; 203 union tpacket_req_u { 204 struct tpacket_req req; 205 struct tpacket_req3 req3; 206 }; 207 struct packet_mreq { 208 int mr_ifindex; 209 unsigned short mr_type; 210 unsigned short mr_alen; 211 unsigned char mr_address[8]; 212 }; 213 struct fanout_args { 214 #ifdef __LITTLE_ENDIAN_BITFIELD 215 __u16 id; 216 __u16 type_flags; 217 #else 218 __u16 type_flags; 219 __u16 id; 220 #endif 221 __u32 max_num_members; 222 }; 223 #define PACKET_MR_MULTICAST 0 224 #define PACKET_MR_PROMISC 1 225 #define PACKET_MR_ALLMULTI 2 226 #define PACKET_MR_UNICAST 3 227 #endif 228