1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by 3 driver-specific utilities) */ 4 5 /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */ 6 7 8 #ifndef _UAPILINUX_ATM_TCP_H 9 #define _UAPILINUX_ATM_TCP_H 10 11 #include <linux/atmapi.h> 12 #include <linux/atm.h> 13 #include <linux/atmioc.h> 14 #include <linux/types.h> 15 16 17 /* 18 * All values in struct atmtcp_hdr are in network byte order 19 */ 20 21 struct atmtcp_hdr { 22 __u16 vpi; 23 __u16 vci; 24 __u32 length; /* ... of data part */ 25 }; 26 27 /* 28 * All values in struct atmtcp_command are in host byte order 29 */ 30 31 #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */ 32 #define ATMTCP_CTRL_OPEN 1 /* request/reply */ 33 #define ATMTCP_CTRL_CLOSE 2 /* request/reply */ 34 35 struct atmtcp_control { 36 struct atmtcp_hdr hdr; /* must be first */ 37 int type; /* message type; both directions */ 38 atm_kptr_t vcc; /* both directions */ 39 struct sockaddr_atmpvc addr; /* suggested value from kernel */ 40 struct atm_qos qos; /* both directions */ 41 int result; /* to kernel only */ 42 } __ATM_API_ALIGN; 43 44 /* 45 * Field usage: 46 * Messge type dir. hdr.v?i type addr qos vcc result 47 * ----------- ---- ------- ---- ---- --- --- ------ 48 * OPEN K->D Y Y Y Y Y 0 49 * OPEN D->K - Y Y Y Y Y 50 * CLOSE K->D - - Y - Y 0 51 * CLOSE D->K - - - - Y Y 52 */ 53 54 #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ 55 #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP 56 interface */ 57 #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP 58 interface */ 59 60 61 62 #endif /* _UAPILINUX_ATM_TCP_H */ 63