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| author | David Anderson <danderson@tailscale.com> | 2021-11-10 12:15:03 -0800 |
|---|---|---|
| committer | David Anderson <danderson@tailscale.com> | 2021-11-10 12:15:03 -0800 |
| commit | 41710e1b810aa25c14ceb657a40b9ba616615435 (patch) | |
| tree | 4953322c9930fde10dae9ff057de28827e87fb52 /ebpf/include/linux/vm_sockets_diag.h | |
| parent | 4a51050c498da33eaecb520b78aeb5f445a442f1 (diff) | |
| download | tailscale-danderson/ebpf.tar.xz tailscale-danderson/ebpf.zip | |
ebpf: experiments.danderson/ebpf
Diffstat (limited to 'ebpf/include/linux/vm_sockets_diag.h')
| -rw-r--r-- | ebpf/include/linux/vm_sockets_diag.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/ebpf/include/linux/vm_sockets_diag.h b/ebpf/include/linux/vm_sockets_diag.h new file mode 100644 index 000000000..6da42f99a --- /dev/null +++ b/ebpf/include/linux/vm_sockets_diag.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* AF_VSOCK sock_diag(7) interface for querying open sockets */ + +#ifndef __VM_SOCKETS_DIAG_H__ +#define __VM_SOCKETS_DIAG_H__ + +#include <linux/types.h> + +/* Request */ +struct vsock_diag_req { + __u8 sdiag_family; /* must be AF_VSOCK */ + __u8 sdiag_protocol; /* must be 0 */ + __u16 pad; /* must be 0 */ + __u32 vdiag_states; /* query bitmap (e.g. 1 << TCP_LISTEN) */ + __u32 vdiag_ino; /* must be 0 (reserved) */ + __u32 vdiag_show; /* must be 0 (reserved) */ + __u32 vdiag_cookie[2]; +}; + +/* Response */ +struct vsock_diag_msg { + __u8 vdiag_family; /* AF_VSOCK */ + __u8 vdiag_type; /* SOCK_STREAM or SOCK_DGRAM */ + __u8 vdiag_state; /* sk_state (e.g. TCP_LISTEN) */ + __u8 vdiag_shutdown; /* local RCV_SHUTDOWN | SEND_SHUTDOWN */ + __u32 vdiag_src_cid; + __u32 vdiag_src_port; + __u32 vdiag_dst_cid; + __u32 vdiag_dst_port; + __u32 vdiag_ino; + __u32 vdiag_cookie[2]; +}; + +#endif /* __VM_SOCKETS_DIAG_H__ */ |
