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71 lines
3.0 KiB
Plaintext
71 lines
3.0 KiB
Plaintext
# Copyright 2018 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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# AF_XDP support.
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include <linux/net.h>
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include <linux/socket.h>
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include <uapi/linux/if_xdp.h>
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resource sock_xdp[sock]
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socket$xdp(domain const[AF_XDP], type const[SOCK_RAW], proto const[0]) sock_xdp
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bind$xdp(fd sock_xdp, addr ptr[in, sockaddr_xdp_bind], len bytesize[addr])
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sendmsg$xdp(fd sock_xdp, msg ptr[in, msghdr_xdp], f flags[send_flags])
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mmap$xdp(addr vma, len len[addr], prot flags[mmap_prot], flags flags[mmap_flags], fd sock_xdp, offset flags[xdp_mmap_offsets])
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setsockopt$XDP_RX_RING(fd sock_xdp, level const[SOL_XDP], opt const[XDP_RX_RING], val ptr[in, flags[xdp_ring_sizes, int32]], len bytesize[val])
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setsockopt$XDP_TX_RING(fd sock_xdp, level const[SOL_XDP], opt const[XDP_TX_RING], val ptr[in, flags[xdp_ring_sizes, int32]], len bytesize[val])
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setsockopt$XDP_UMEM_FILL_RING(fd sock_xdp, level const[SOL_XDP], opt const[XDP_UMEM_FILL_RING], val ptr[in, flags[xdp_ring_sizes, int32]], len bytesize[val])
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setsockopt$XDP_UMEM_COMPLETION_RING(fd sock_xdp, level const[SOL_XDP], opt const[XDP_UMEM_COMPLETION_RING], val ptr[in, flags[xdp_ring_sizes, int32]], len bytesize[val])
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setsockopt$XDP_UMEM_REG(fd sock_xdp, level const[SOL_XDP], opt const[XDP_UMEM_REG], val ptr[in, xdp_umem_reg], len bytesize[val])
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getsockopt$XDP_MMAP_OFFSETS(fd sock_xdp, level const[SOL_XDP], opt const[XDP_MMAP_OFFSETS], val ptr[out, array[int8, XDP_MMAP_OFFSETS_SIZE]], len ptr[in, bytesize[val, int32]])
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getsockopt$XDP_STATISTICS(fd sock_xdp, level const[SOL_XDP], opt const[XDP_STATISTICS], val ptr[out, array[int8, XDP_STATISTICS_SIZE]], len ptr[in, bytesize[val, int32]])
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xdp_mmap_offsets = XDP_PGOFF_RX_RING, XDP_PGOFF_TX_RING, XDP_UMEM_PGOFF_FILL_RING, XDP_UMEM_PGOFF_COMPLETION_RING
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xdp_ring_sizes = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 1048576, 2097152, 16777216
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sockaddr_xdp {
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sxdp_family const[AF_XDP, int16]
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sxdp_flags flags[sxdp_flags, int16]
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sxdp_ifindex ifindex
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sxdp_queue_id int32[0:64]
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sxdp_shared_umem_fd const[0, int32]
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}
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sockaddr_xdp_bind {
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sxdp_family const[AF_XDP, int16]
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sxdp_flags flags[sxdp_flags, int16]
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sxdp_ifindex ifindex
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sxdp_queue_id int32[0:64]
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sxdp_shared_umem_fd sock_xdp[opt]
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}
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sxdp_flags = XDP_SHARED_UMEM, XDP_COPY, XDP_ZEROCOPY
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msghdr_xdp {
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msg_name ptr[in, sockaddr_xdp, opt]
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msg_namelen len[msg_name, int32]
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msg_iov ptr[in, array[iovec_in]]
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msg_iovlen len[msg_iov, intptr]
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msg_control const[0, intptr]
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msg_controllen const[0, intptr]
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msg_flags flags[send_flags, int32]
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}
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xdp_umem_reg {
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addr ptr64[out, array[int8]]
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len flags[xdp_umem_sizes, int64]
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chunk_size flags[xdp_umem_chunk_sizes, int32]
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headroom int32
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}
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xdp_umem_sizes = 4096, 8192, 16384, 32768, 65536, 131072, 1048576, 2097152, 16777216
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xdp_umem_chunk_sizes = 2048, 4096
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define XDP_MMAP_OFFSETS_SIZE sizeof(struct xdp_mmap_offsets)
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define XDP_STATISTICS_SIZE sizeof(struct xdp_statistics)
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_ = __NR_mmap2
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