sys/openbsd/dev_bpf.txt

# Copyright 2019 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

include <sys/types.h>
include <sys/time.h>
include <sys/fcntl.h>
include <sys/ioctl.h>
include <net/bpf.h>
include <net/if.h>

resource fd_bpf[fd]

openat$bpf(fd const[AT_FDCWD], file ptr[in, string["/dev/bpf"]], flags flags[open_flags], mode const[0]) fd_bpf

ioctl$BIOCFLUSH(fd fd_bpf, cmd const[BIOCFLUSH])
ioctl$BIOCGBLEN(fd fd_bpf, cmd const[BIOCGBLEN], arg ptr[out, int32])
ioctl$BIOCGDIRFILT(fd fd_bpf, cmd const[BIOCGDIRFILT], arg ptr[out, int32])
ioctl$BIOCGDLTLIST(fd fd_bpf, cmd const[BIOCGDLTLIST], arg ptr[out, bpf_dltlist])
ioctl$BIOCGETIF(fd fd_bpf, cmd const[BIOCGETIF], arg ptr[out, ifreq])
ioctl$BIOCGFILDROP(fd fd_bpf, cmd const[BIOCGFILDROP], arg ptr[out, int32])
ioctl$BIOCGHDRCMPLT(fd fd_bpf, cmd const[BIOCGHDRCMPLT], arg ptr[out, int32])
ioctl$BIOCGRSIG(fd fd_bpf, cmd const[BIOCGRSIG], arg ptr[out, int32])
ioctl$BIOCGRTIMEOUT(fd fd_bpf, cmd const[BIOCGRTIMEOUT], arg ptr[out, timeval])
ioctl$BIOCGSTATS(fd fd_bpf, cmd const[BIOCGSTATS], arg ptr[out, bpf_stat])
ioctl$BIOCIMMEDIATE(fd fd_bpf, cmd const[BIOCIMMEDIATE], arg ptr[in, int32])
ioctl$BIOCLOCK(fd fd_bpf, cmd const[BIOCLOCK])
ioctl$BIOCPROMISC(fd fd_bpf, cmd const[BIOCPROMISC])
ioctl$BIOCSBLEN(fd fd_bpf, cmd const[BIOCSBLEN], arg ptr[in, int32])
ioctl$BIOCSDIRFILT(fd fd_bpf, cmd const[BIOCSDIRFILT], arg ptr[in, int32])
ioctl$BIOCSDLT(fd fd_bpf, cmd const[BIOCSDLT], arg ptr[in, int32])
ioctl$BIOCSETF(fd fd_bpf, cmd const[BIOCSETF], arg ptr[in, bpf_program])
ioctl$BIOCSETIF(fd fd_bpf, cmd const[BIOCSETIF], arg ptr[in, ifreq_name])
ioctl$BIOCSETWF(fd fd_bpf, cmd const[BIOCSETWF], arg ptr[in, bpf_program])
ioctl$BIOCSFILDROP(fd fd_bpf, cmd const[BIOCSFILDROP], arg ptr[in, int32])
ioctl$BIOCSHDRCMPLT(fd fd_bpf, cmd const[BIOCSHDRCMPLT], arg ptr[in, int32])
ioctl$BIOCSRSIG(fd fd_bpf, cmd const[BIOCSRSIG], arg ptr[in, int32])
ioctl$BIOCSRTIMEOUT(fd fd_bpf, cmd const[BIOCSRTIMEOUT], arg ptr[in, timeval])
ioctl$BIOCVERSION(fd fd_bpf, cmd const[BIOCVERSION], arg ptr[out, bpf_version])

bpf_dltlist {
	bfl_len		len[bfl_list, int32]
	bfl_list	ptr[in, array[int32]]
}

bf_insns {
	code	int16
	jt	int8
	jf	int8
	k	int32
}

bpf_program {
	bf_len		len[bf_insns, int32]
	bf_insns	ptr[in, array[bf_insns]]
}

bpf_stat {
	bs_recv	int32
	bs_drop	int32
}

bpf_version {
	bv_major	int16
	bv_minor	int16
}

ifreq {
	ifr_name	string[filename, IFNAMSIZ]
	ifr_ifru	ifr_ifru
}

ifreq_name {
	ifr_name	stringnoz["tap"]
	tapindex	proc['0', 1, int8]
	z		const[0, int8]
} [size[IFREQ_SIZE]]

define IFREQ_SIZE	sizeof(struct ifreq)

ifr_ifru [
	ifru_addr	sockaddr_storage
	ifru_dstaddr	sockaddr_storage
	ifru_broadaddr	sockaddr_storage
	ifru_flags	int16
	ifru_metric	int32
	ifru_vnetid	int64
	ifru_media	int64
	ifru_data	buffer[in]
	ifru_index	int32
] [varlen]