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