1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __LINUX_IF_PACKET_H 20 #define __LINUX_IF_PACKET_H 21 #include <asm/byteorder.h> 22 #include <linux/types.h> 23 struct sockaddr_pkt { 24 unsigned short spkt_family; 25 unsigned char spkt_device[14]; 26 __be16 spkt_protocol; 27 }; 28 struct sockaddr_ll { 29 unsigned short sll_family; 30 __be16 sll_protocol; 31 int sll_ifindex; 32 unsigned short sll_hatype; 33 unsigned char sll_pkttype; 34 unsigned char sll_halen; 35 unsigned char sll_addr[8]; 36 }; 37 #define PACKET_HOST 0 38 #define PACKET_BROADCAST 1 39 #define PACKET_MULTICAST 2 40 #define PACKET_OTHERHOST 3 41 #define PACKET_OUTGOING 4 42 #define PACKET_LOOPBACK 5 43 #define PACKET_USER 6 44 #define PACKET_KERNEL 7 45 #define PACKET_FASTROUTE 6 46 #define PACKET_ADD_MEMBERSHIP 1 47 #define PACKET_DROP_MEMBERSHIP 2 48 #define PACKET_RECV_OUTPUT 3 49 #define PACKET_RX_RING 5 50 #define PACKET_STATISTICS 6 51 #define PACKET_COPY_THRESH 7 52 #define PACKET_AUXDATA 8 53 #define PACKET_ORIGDEV 9 54 #define PACKET_VERSION 10 55 #define PACKET_HDRLEN 11 56 #define PACKET_RESERVE 12 57 #define PACKET_TX_RING 13 58 #define PACKET_LOSS 14 59 #define PACKET_VNET_HDR 15 60 #define PACKET_TX_TIMESTAMP 16 61 #define PACKET_TIMESTAMP 17 62 #define PACKET_FANOUT 18 63 #define PACKET_TX_HAS_OFF 19 64 #define PACKET_QDISC_BYPASS 20 65 #define PACKET_ROLLOVER_STATS 21 66 #define PACKET_FANOUT_DATA 22 67 #define PACKET_IGNORE_OUTGOING 23 68 #define PACKET_FANOUT_HASH 0 69 #define PACKET_FANOUT_LB 1 70 #define PACKET_FANOUT_CPU 2 71 #define PACKET_FANOUT_ROLLOVER 3 72 #define PACKET_FANOUT_RND 4 73 #define PACKET_FANOUT_QM 5 74 #define PACKET_FANOUT_CBPF 6 75 #define PACKET_FANOUT_EBPF 7 76 #define PACKET_FANOUT_FLAG_ROLLOVER 0x1000 77 #define PACKET_FANOUT_FLAG_UNIQUEID 0x2000 78 #define PACKET_FANOUT_FLAG_IGNORE_OUTGOING 0x4000 79 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 80 struct tpacket_stats { 81 unsigned int tp_packets; 82 unsigned int tp_drops; 83 }; 84 struct tpacket_stats_v3 { 85 unsigned int tp_packets; 86 unsigned int tp_drops; 87 unsigned int tp_freeze_q_cnt; 88 }; 89 struct tpacket_rollover_stats { 90 __aligned_u64 tp_all; 91 __aligned_u64 tp_huge; 92 __aligned_u64 tp_failed; 93 }; 94 union tpacket_stats_u { 95 struct tpacket_stats stats1; 96 struct tpacket_stats_v3 stats3; 97 }; 98 struct tpacket_auxdata { 99 __u32 tp_status; 100 __u32 tp_len; 101 __u32 tp_snaplen; 102 __u16 tp_mac; 103 __u16 tp_net; 104 __u16 tp_vlan_tci; 105 __u16 tp_vlan_tpid; 106 }; 107 #define TP_STATUS_KERNEL 0 108 #define TP_STATUS_USER (1 << 0) 109 #define TP_STATUS_COPY (1 << 1) 110 #define TP_STATUS_LOSING (1 << 2) 111 #define TP_STATUS_CSUMNOTREADY (1 << 3) 112 #define TP_STATUS_VLAN_VALID (1 << 4) 113 #define TP_STATUS_BLK_TMO (1 << 5) 114 #define TP_STATUS_VLAN_TPID_VALID (1 << 6) 115 #define TP_STATUS_CSUM_VALID (1 << 7) 116 #define TP_STATUS_AVAILABLE 0 117 #define TP_STATUS_SEND_REQUEST (1 << 0) 118 #define TP_STATUS_SENDING (1 << 1) 119 #define TP_STATUS_WRONG_FORMAT (1 << 2) 120 #define TP_STATUS_TS_SOFTWARE (1 << 29) 121 #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) 122 #define TP_STATUS_TS_RAW_HARDWARE (1U << 31) 123 #define TP_FT_REQ_FILL_RXHASH 0x1 124 struct tpacket_hdr { 125 unsigned long tp_status; 126 unsigned int tp_len; 127 unsigned int tp_snaplen; 128 unsigned short tp_mac; 129 unsigned short tp_net; 130 unsigned int tp_sec; 131 unsigned int tp_usec; 132 }; 133 #define TPACKET_ALIGNMENT 16 134 #define TPACKET_ALIGN(x) (((x) + TPACKET_ALIGNMENT - 1) & ~(TPACKET_ALIGNMENT - 1)) 135 #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) 136 struct tpacket2_hdr { 137 __u32 tp_status; 138 __u32 tp_len; 139 __u32 tp_snaplen; 140 __u16 tp_mac; 141 __u16 tp_net; 142 __u32 tp_sec; 143 __u32 tp_nsec; 144 __u16 tp_vlan_tci; 145 __u16 tp_vlan_tpid; 146 __u8 tp_padding[4]; 147 }; 148 struct tpacket_hdr_variant1 { 149 __u32 tp_rxhash; 150 __u32 tp_vlan_tci; 151 __u16 tp_vlan_tpid; 152 __u16 tp_padding; 153 }; 154 struct tpacket3_hdr { 155 __u32 tp_next_offset; 156 __u32 tp_sec; 157 __u32 tp_nsec; 158 __u32 tp_snaplen; 159 __u32 tp_len; 160 __u32 tp_status; 161 __u16 tp_mac; 162 __u16 tp_net; 163 union { 164 struct tpacket_hdr_variant1 hv1; 165 }; 166 __u8 tp_padding[8]; 167 }; 168 struct tpacket_bd_ts { 169 unsigned int ts_sec; 170 union { 171 unsigned int ts_usec; 172 unsigned int ts_nsec; 173 }; 174 }; 175 struct tpacket_hdr_v1 { 176 __u32 block_status; 177 __u32 num_pkts; 178 __u32 offset_to_first_pkt; 179 __u32 blk_len; 180 __aligned_u64 seq_num; 181 struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; 182 }; 183 union tpacket_bd_header_u { 184 struct tpacket_hdr_v1 bh1; 185 }; 186 struct tpacket_block_desc { 187 __u32 version; 188 __u32 offset_to_priv; 189 union tpacket_bd_header_u hdr; 190 }; 191 #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) 192 #define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll)) 193 enum tpacket_versions { 194 TPACKET_V1, 195 TPACKET_V2, 196 TPACKET_V3 197 }; 198 struct tpacket_req { 199 unsigned int tp_block_size; 200 unsigned int tp_block_nr; 201 unsigned int tp_frame_size; 202 unsigned int tp_frame_nr; 203 }; 204 struct tpacket_req3 { 205 unsigned int tp_block_size; 206 unsigned int tp_block_nr; 207 unsigned int tp_frame_size; 208 unsigned int tp_frame_nr; 209 unsigned int tp_retire_blk_tov; 210 unsigned int tp_sizeof_priv; 211 unsigned int tp_feature_req_word; 212 }; 213 union tpacket_req_u { 214 struct tpacket_req req; 215 struct tpacket_req3 req3; 216 }; 217 struct packet_mreq { 218 int mr_ifindex; 219 unsigned short mr_type; 220 unsigned short mr_alen; 221 unsigned char mr_address[8]; 222 }; 223 struct fanout_args { 224 #ifdef __LITTLE_ENDIAN_BITFIELD 225 __u16 id; 226 __u16 type_flags; 227 #else 228 __u16 type_flags; 229 __u16 id; 230 #endif 231 __u32 max_num_members; 232 }; 233 #define PACKET_MR_MULTICAST 0 234 #define PACKET_MR_PROMISC 1 235 #define PACKET_MR_ALLMULTI 2 236 #define PACKET_MR_UNICAST 3 237 #endif 238