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_UNIQUEID 0x2000 76 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 77 struct tpacket_stats { 78 unsigned int tp_packets; 79 unsigned int tp_drops; 80 }; 81 struct tpacket_stats_v3 { 82 unsigned int tp_packets; 83 unsigned int tp_drops; 84 unsigned int tp_freeze_q_cnt; 85 }; 86 struct tpacket_rollover_stats { 87 __aligned_u64 tp_all; 88 __aligned_u64 tp_huge; 89 __aligned_u64 tp_failed; 90 }; 91 union tpacket_stats_u { 92 struct tpacket_stats stats1; 93 struct tpacket_stats_v3 stats3; 94 }; 95 struct tpacket_auxdata { 96 __u32 tp_status; 97 __u32 tp_len; 98 __u32 tp_snaplen; 99 __u16 tp_mac; 100 __u16 tp_net; 101 __u16 tp_vlan_tci; 102 __u16 tp_vlan_tpid; 103 }; 104 #define TP_STATUS_KERNEL 0 105 #define TP_STATUS_USER (1 << 0) 106 #define TP_STATUS_COPY (1 << 1) 107 #define TP_STATUS_LOSING (1 << 2) 108 #define TP_STATUS_CSUMNOTREADY (1 << 3) 109 #define TP_STATUS_VLAN_VALID (1 << 4) 110 #define TP_STATUS_BLK_TMO (1 << 5) 111 #define TP_STATUS_VLAN_TPID_VALID (1 << 6) 112 #define TP_STATUS_CSUM_VALID (1 << 7) 113 #define TP_STATUS_AVAILABLE 0 114 #define TP_STATUS_SEND_REQUEST (1 << 0) 115 #define TP_STATUS_SENDING (1 << 1) 116 #define TP_STATUS_WRONG_FORMAT (1 << 2) 117 #define TP_STATUS_TS_SOFTWARE (1 << 29) 118 #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) 119 #define TP_STATUS_TS_RAW_HARDWARE (1 << 31) 120 #define TP_FT_REQ_FILL_RXHASH 0x1 121 struct tpacket_hdr { 122 unsigned long tp_status; 123 unsigned int tp_len; 124 unsigned int tp_snaplen; 125 unsigned short tp_mac; 126 unsigned short tp_net; 127 unsigned int tp_sec; 128 unsigned int tp_usec; 129 }; 130 #define TPACKET_ALIGNMENT 16 131 #define TPACKET_ALIGN(x) (((x) + TPACKET_ALIGNMENT - 1) & ~(TPACKET_ALIGNMENT - 1)) 132 #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) 133 struct tpacket2_hdr { 134 __u32 tp_status; 135 __u32 tp_len; 136 __u32 tp_snaplen; 137 __u16 tp_mac; 138 __u16 tp_net; 139 __u32 tp_sec; 140 __u32 tp_nsec; 141 __u16 tp_vlan_tci; 142 __u16 tp_vlan_tpid; 143 __u8 tp_padding[4]; 144 }; 145 struct tpacket_hdr_variant1 { 146 __u32 tp_rxhash; 147 __u32 tp_vlan_tci; 148 __u16 tp_vlan_tpid; 149 __u16 tp_padding; 150 }; 151 struct tpacket3_hdr { 152 __u32 tp_next_offset; 153 __u32 tp_sec; 154 __u32 tp_nsec; 155 __u32 tp_snaplen; 156 __u32 tp_len; 157 __u32 tp_status; 158 __u16 tp_mac; 159 __u16 tp_net; 160 union { 161 struct tpacket_hdr_variant1 hv1; 162 }; 163 __u8 tp_padding[8]; 164 }; 165 struct tpacket_bd_ts { 166 unsigned int ts_sec; 167 union { 168 unsigned int ts_usec; 169 unsigned int ts_nsec; 170 }; 171 }; 172 struct tpacket_hdr_v1 { 173 __u32 block_status; 174 __u32 num_pkts; 175 __u32 offset_to_first_pkt; 176 __u32 blk_len; 177 __aligned_u64 seq_num; 178 struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; 179 }; 180 union tpacket_bd_header_u { 181 struct tpacket_hdr_v1 bh1; 182 }; 183 struct tpacket_block_desc { 184 __u32 version; 185 __u32 offset_to_priv; 186 union tpacket_bd_header_u hdr; 187 }; 188 #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) 189 #define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll)) 190 enum tpacket_versions { 191 TPACKET_V1, 192 TPACKET_V2, 193 TPACKET_V3 194 }; 195 struct tpacket_req { 196 unsigned int tp_block_size; 197 unsigned int tp_block_nr; 198 unsigned int tp_frame_size; 199 unsigned int tp_frame_nr; 200 }; 201 struct tpacket_req3 { 202 unsigned int tp_block_size; 203 unsigned int tp_block_nr; 204 unsigned int tp_frame_size; 205 unsigned int tp_frame_nr; 206 unsigned int tp_retire_blk_tov; 207 unsigned int tp_sizeof_priv; 208 unsigned int tp_feature_req_word; 209 }; 210 union tpacket_req_u { 211 struct tpacket_req req; 212 struct tpacket_req3 req3; 213 }; 214 struct packet_mreq { 215 int mr_ifindex; 216 unsigned short mr_type; 217 unsigned short mr_alen; 218 unsigned char mr_address[8]; 219 }; 220 #define PACKET_MR_MULTICAST 0 221 #define PACKET_MR_PROMISC 1 222 #define PACKET_MR_ALLMULTI 2 223 #define PACKET_MR_UNICAST 3 224 #endif 225
