1 /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by 2 driver-specific utilities) */ 3 4 /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */ 5 6 7 #ifndef LINUX_ATM_TCP_H 8 #define LINUX_ATM_TCP_H 9 10 #include <linux/atmapi.h> 11 #include <linux/atm.h> 12 #include <linux/atmioc.h> 13 #include <linux/types.h> 14 15 16 /* 17 * All values in struct atmtcp_hdr are in network byte order 18 */ 19 20 struct atmtcp_hdr { 21 __u16 vpi; 22 __u16 vci; 23 __u32 length; /* ... of data part */ 24 }; 25 26 /* 27 * All values in struct atmtcp_command are in host byte order 28 */ 29 30 #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */ 31 #define ATMTCP_CTRL_OPEN 1 /* request/reply */ 32 #define ATMTCP_CTRL_CLOSE 2 /* request/reply */ 33 34 struct atmtcp_control { 35 struct atmtcp_hdr hdr; /* must be first */ 36 int type; /* message type; both directions */ 37 atm_kptr_t vcc; /* both directions */ 38 struct sockaddr_atmpvc addr; /* suggested value from kernel */ 39 struct atm_qos qos; /* both directions */ 40 int result; /* to kernel only */ 41 } __ATM_API_ALIGN; 42 43 /* 44 * Field usage: 45 * Messge type dir. hdr.v?i type addr qos vcc result 46 * ----------- ---- ------- ---- ---- --- --- ------ 47 * OPEN K->D Y Y Y Y Y 0 48 * OPEN D->K - Y Y Y Y Y 49 * CLOSE K->D - - Y - Y 0 50 * CLOSE D->K - - - - Y Y 51 */ 52 53 #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ 54 #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP 55 interface */ 56 #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP 57 interface */ 58 59 60 #ifdef __KERNEL__ 61 62 struct atm_tcp_ops { 63 int (*attach)(struct atm_vcc *vcc,int itf); 64 int (*create_persistent)(int itf); 65 int (*remove_persistent)(int itf); 66 struct module *owner; 67 }; 68 69 extern struct atm_tcp_ops atm_tcp_ops; 70 71 #endif 72 73 #endif 74