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_DEFRAG 0x8000 79 struct tpacket_stats { 80 unsigned int tp_packets; 81 unsigned int tp_drops; 82 }; 83 struct tpacket_stats_v3 { 84 unsigned int tp_packets; 85 unsigned int tp_drops; 86 unsigned int tp_freeze_q_cnt; 87 }; 88 struct tpacket_rollover_stats { 89 __aligned_u64 tp_all; 90 __aligned_u64 tp_huge; 91 __aligned_u64 tp_failed; 92 }; 93 union tpacket_stats_u { 94 struct tpacket_stats stats1; 95 struct tpacket_stats_v3 stats3; 96 }; 97 struct tpacket_auxdata { 98 __u32 tp_status; 99 __u32 tp_len; 100 __u32 tp_snaplen; 101 __u16 tp_mac; 102 __u16 tp_net; 103 __u16 tp_vlan_tci; 104 __u16 tp_vlan_tpid; 105 }; 106 #define TP_STATUS_KERNEL 0 107 #define TP_STATUS_USER (1 << 0) 108 #define TP_STATUS_COPY (1 << 1) 109 #define TP_STATUS_LOSING (1 << 2) 110 #define TP_STATUS_CSUMNOTREADY (1 << 3) 111 #define TP_STATUS_VLAN_VALID (1 << 4) 112 #define TP_STATUS_BLK_TMO (1 << 5) 113 #define TP_STATUS_VLAN_TPID_VALID (1 << 6) 114 #define TP_STATUS_CSUM_VALID (1 << 7) 115 #define TP_STATUS_AVAILABLE 0 116 #define TP_STATUS_SEND_REQUEST (1 << 0) 117 #define TP_STATUS_SENDING (1 << 1) 118 #define TP_STATUS_WRONG_FORMAT (1 << 2) 119 #define TP_STATUS_TS_SOFTWARE (1 << 29) 120 #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) 121 #define TP_STATUS_TS_RAW_HARDWARE (1U << 31) 122 #define TP_FT_REQ_FILL_RXHASH 0x1 123 struct tpacket_hdr { 124 unsigned long tp_status; 125 unsigned int tp_len; 126 unsigned int tp_snaplen; 127 unsigned short tp_mac; 128 unsigned short tp_net; 129 unsigned int tp_sec; 130 unsigned int tp_usec; 131 }; 132 #define TPACKET_ALIGNMENT 16 133 #define TPACKET_ALIGN(x) (((x) + TPACKET_ALIGNMENT - 1) & ~(TPACKET_ALIGNMENT - 1)) 134 #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) 135 struct tpacket2_hdr { 136 __u32 tp_status; 137 __u32 tp_len; 138 __u32 tp_snaplen; 139 __u16 tp_mac; 140 __u16 tp_net; 141 __u32 tp_sec; 142 __u32 tp_nsec; 143 __u16 tp_vlan_tci; 144 __u16 tp_vlan_tpid; 145 __u8 tp_padding[4]; 146 }; 147 struct tpacket_hdr_variant1 { 148 __u32 tp_rxhash; 149 __u32 tp_vlan_tci; 150 __u16 tp_vlan_tpid; 151 __u16 tp_padding; 152 }; 153 struct tpacket3_hdr { 154 __u32 tp_next_offset; 155 __u32 tp_sec; 156 __u32 tp_nsec; 157 __u32 tp_snaplen; 158 __u32 tp_len; 159 __u32 tp_status; 160 __u16 tp_mac; 161 __u16 tp_net; 162 union { 163 struct tpacket_hdr_variant1 hv1; 164 }; 165 __u8 tp_padding[8]; 166 }; 167 struct tpacket_bd_ts { 168 unsigned int ts_sec; 169 union { 170 unsigned int ts_usec; 171 unsigned int ts_nsec; 172 }; 173 }; 174 struct tpacket_hdr_v1 { 175 __u32 block_status; 176 __u32 num_pkts; 177 __u32 offset_to_first_pkt; 178 __u32 blk_len; 179 __aligned_u64 seq_num; 180 struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; 181 }; 182 union tpacket_bd_header_u { 183 struct tpacket_hdr_v1 bh1; 184 }; 185 struct tpacket_block_desc { 186 __u32 version; 187 __u32 offset_to_priv; 188 union tpacket_bd_header_u hdr; 189 }; 190 #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) 191 #define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll)) 192 enum tpacket_versions { 193 TPACKET_V1, 194 TPACKET_V2, 195 TPACKET_V3 196 }; 197 struct tpacket_req { 198 unsigned int tp_block_size; 199 unsigned int tp_block_nr; 200 unsigned int tp_frame_size; 201 unsigned int tp_frame_nr; 202 }; 203 struct tpacket_req3 { 204 unsigned int tp_block_size; 205 unsigned int tp_block_nr; 206 unsigned int tp_frame_size; 207 unsigned int tp_frame_nr; 208 unsigned int tp_retire_blk_tov; 209 unsigned int tp_sizeof_priv; 210 unsigned int tp_feature_req_word; 211 }; 212 union tpacket_req_u { 213 struct tpacket_req req; 214 struct tpacket_req3 req3; 215 }; 216 struct packet_mreq { 217 int mr_ifindex; 218 unsigned short mr_type; 219 unsigned short mr_alen; 220 unsigned char mr_address[8]; 221 }; 222 struct fanout_args { 223 #ifdef __LITTLE_ENDIAN_BITFIELD 224 __u16 id; 225 __u16 type_flags; 226 #else 227 __u16 type_flags; 228 __u16 id; 229 #endif 230 __u32 max_num_members; 231 }; 232 #define PACKET_MR_MULTICAST 0 233 #define PACKET_MR_PROMISC 1 234 #define PACKET_MR_ALLMULTI 2 235 #define PACKET_MR_UNICAST 3 236 #endif 237