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110 lines
5.1 KiB
Plaintext
110 lines
5.1 KiB
Plaintext
# Copyright 2017 syzkaller project authors. All rights reserved.
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# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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# http://man7.org/linux/man-pages/man7/packet.7.html
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# https://www.kernel.org/doc/Documentation/networking/packet_mmap.txt
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# AF_PACKET support.
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include <linux/socket.h>
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include <linux/net.h>
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include <linux/if_ether.h>
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include <linux/if_arp.h>
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define ETH_P_ALL_BE htons(ETH_P_ALL)
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resource sock_packet[sock]
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socket$packet(domain const[AF_PACKET], type flags[packet_socket_type], proto const[ETH_P_ALL_BE]) sock_packet
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socketpair$packet(domain const[AF_PACKET], type flags[packet_socket_type], proto const[ETH_P_ALL_BE], fds ptr[out, packet_pair])
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bind$packet(fd sock_packet, addr ptr[in, sockaddr_ll], addrlen len[addr])
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connect$packet(fd sock_packet, addr ptr[in, sockaddr_ll], addrlen len[addr])
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accept$packet(fd sock_packet, peer ptr[out, sockaddr_ll, opt], peerlen ptr[inout, len[peer, int32]]) sock_packet
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accept4$packet(fd sock_packet, peer ptr[out, sockaddr_ll, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock_packet
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sendto$packet(fd sock_packet, buf buffer[in], len len[buf], f flags[send_flags], addr ptr[in, sockaddr_ll, opt], addrlen len[addr])
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recvfrom$packet(fd sock_packet, buf buffer[out], len len[buf], f flags[recv_flags], addr ptr[in, sockaddr_ll, opt], addrlen len[addr])
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getsockname$packet(fd sock_packet, addr ptr[out, sockaddr_ll], addrlen ptr[inout, len[addr, int32]])
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getpeername$packet(fd sock_packet, peer ptr[out, sockaddr_ll], peerlen ptr[inout, len[peer, int32]])
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packet_socket_type = SOCK_RAW, SOCK_DGRAM
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packet_protocols = ETH_P_802_3, ETH_P_AX25, ETH_P_ALL, ETH_P_802_2, ETH_P_SNAP, ETH_P_DDCMP, ETH_P_WAN_PPP, ETH_P_PPP_MP, ETH_P_LOCALTALK, ETH_P_CAN, ETH_P_CANFD, ETH_P_PPPTALK, ETH_P_TR_802_2, ETH_P_MOBITEX, ETH_P_CONTROL, ETH_P_IRDA, ETH_P_ECONET, ETH_P_HDLC, ETH_P_ARCNET, ETH_P_DSA, ETH_P_TRAILER, ETH_P_PHONET, ETH_P_IEEE802154, ETH_P_CAIF, ETH_P_XDSA
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packet_pair {
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fd0 sock_packet
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fd1 sock_packet
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}
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sockaddr_ll {
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sll_family const[AF_PACKET, int16]
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sll_protocol flags[packet_protocols, int16be]
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sll_ifindex ifindex
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sll_hatype const[ARPHRD_ETHER, int16]
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sll_pkttype int8
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sll_halen const[6, int8]
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sll_addr mac_addr
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pad array[const[0, int8], 2]
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}
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# Generic options
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packet_option_types_int = PACKET_RECV_OUTPUT, PACKET_COPY_THRESH, PACKET_AUXDATA, PACKET_ORIGDEV, PACKET_VERSION, PACKET_HDRLEN, PACKET_RESERVE, PACKET_LOSS, PACKET_VNET_HDR, PACKET_TX_TIMESTAMP, PACKET_TIMESTAMP, PACKET_FANOUT, PACKET_TX_HAS_OFF, PACKET_QDISC_BYPASS
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packet_option_types_buf = PACKET_ADD_MEMBERSHIP, PACKET_DROP_MEMBERSHIP, PACKET_RX_RING, PACKET_STATISTICS, PACKET_TX_RING, PACKET_FANOUT_DATA
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getsockopt$packet_int(fd sock_packet, level const[SOL_PACKET], optname flags[packet_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]])
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setsockopt$packet_int(fd sock_packet, level const[SOL_PACKET], optname flags[packet_option_types_int], optval ptr[in, int32], optlen len[optval])
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getsockopt$packet_buf(fd sock_packet, level const[SOL_PACKET], optname flags[packet_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]])
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setsockopt$packet_buf(fd sock_packet, level const[SOL_PACKET], optname flags[packet_option_types_buf], optval buffer[in], optlen len[optval])
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# Specific options
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packet_mreq {
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mr_ifindex ifindex
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mr_type const[ARPHRD_ETHER, int16]
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mr_alen len[mr_address, int16]
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mr_address mac_addr
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pad array[const[0, int8], 2]
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}
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setsockopt$packet_add_memb(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_ADD_MEMBERSHIP], optval ptr[in, packet_mreq], optlen len[optval])
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setsockopt$packet_drop_memb(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_DROP_MEMBERSHIP], optval ptr[in, packet_mreq], optlen len[optval])
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tpacket_req {
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tp_block_size int32
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tp_block_nr int32
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tp_frame_size int32
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tp_frame_nr int32
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}
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tpacket_req3 {
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tp_block_size int32
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tp_block_nr int32
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tp_frame_size int32
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tp_frame_nr int32
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tp_retire_blk_tov int32
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tp_sizeof_priv int32
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tp_feature_req_word int32
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}
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tpacket_req_u [
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req tpacket_req
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req3 tpacket_req3
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] [varlen]
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setsockopt$packet_rx_ring(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_RX_RING], optval ptr[in, tpacket_req_u], optlen len[optval])
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setsockopt$packet_tx_ring(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_TX_RING], optval ptr[in, tpacket_req_u], optlen len[optval])
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packet_fanout_types = PACKET_FANOUT_HASH, PACKET_FANOUT_LB, PACKET_FANOUT_CPU, PACKET_FANOUT_ROLLOVER, PACKET_FANOUT_RND, PACKET_FANOUT_QM, PACKET_FANOUT_CBPF, PACKET_FANOUT_EBPF
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packet_fanout_flags = PACKET_FANOUT_FLAG_ROLLOVER, PACKET_FANOUT_FLAG_DEFRAG, PACKET_FANOUT_FLAG_UNIQUEID
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packet_fanout_val {
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id int16
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type flags[packet_fanout_types, int8]
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flags flags[packet_fanout_flags, int8]
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}
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setsockopt$packet_fanout(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_FANOUT], optval ptr[in, packet_fanout_val], optlen len[optval])
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setsockopt$packet_fanout_data(fd sock_packet, level const[SOL_PACKET], optname const[PACKET_FANOUT_DATA], optval ptr[in, sock_fprog], optlen len[optval])
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