/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by driver-specific utilities) */ /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */ #ifndef LINUX_ATM_TCP_H #define LINUX_ATM_TCP_H #include <linux/atmapi.h> #include <linux/atm.h> #include <linux/atmioc.h> #include <linux/types.h> /* * All values in struct atmtcp_hdr are in network byte order */ struct atmtcp_hdr { __u16 vpi; __u16 vci; __u32 length; /* ... of data part */ }; /* * All values in struct atmtcp_command are in host byte order */ #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */ #define ATMTCP_CTRL_OPEN 1 /* request/reply */ #define ATMTCP_CTRL_CLOSE 2 /* request/reply */ struct atmtcp_control { struct atmtcp_hdr hdr; /* must be first */ int type; /* message type; both directions */ atm_kptr_t vcc; /* both directions */ struct sockaddr_atmpvc addr; /* suggested value from kernel */ struct atm_qos qos; /* both directions */ int result; /* to kernel only */ } __ATM_API_ALIGN; /* * Field usage: * Messge type dir. hdr.v?i type addr qos vcc result * ----------- ---- ------- ---- ---- --- --- ------ * OPEN K->D Y Y Y Y Y 0 * OPEN D->K - Y Y Y Y Y * CLOSE K->D - - Y - Y 0 * CLOSE D->K - - - - Y Y */ #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP interface */ #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP interface */ #endif /* LINUX_ATM_TCP_H */