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 12 #ifdef __KERNEL__ 13 #include <linux/types.h> 14 #endif 15 #include <linux/atmioc.h> 16 17 18 /* 19 * All values in struct atmtcp_hdr are in network byte order 20 */ 21 22 struct atmtcp_hdr { 23 uint16_t vpi; 24 uint16_t vci; 25 uint32_t length; /* ... of data part */ 26 }; 27 28 /* 29 * All values in struct atmtcp_command are in host byte order 30 */ 31 32 #define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */ 33 #define ATMTCP_CTRL_OPEN 1 /* request/reply */ 34 #define ATMTCP_CTRL_CLOSE 2 /* request/reply */ 35 36 struct atmtcp_control { 37 struct atmtcp_hdr hdr; /* must be first */ 38 int type; /* message type; both directions */ 39 atm_kptr_t vcc; /* both directions */ 40 struct sockaddr_atmpvc addr; /* suggested value from kernel */ 41 struct atm_qos qos; /* both directions */ 42 int result; /* to kernel only */ 43 } __ATM_API_ALIGN; 44 45 /* 46 * Field usage: 47 * Messge type dir. hdr.v?i type addr qos vcc result 48 * ----------- ---- ------- ---- ---- --- --- ------ 49 * OPEN K->D Y Y Y Y Y 0 50 * OPEN D->K - Y Y Y Y Y 51 * CLOSE K->D - - Y - Y 0 52 * CLOSE D->K - - - - Y Y 53 */ 54 55 #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ 56 #define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP 57 interface */ 58 #define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP 59 interface */ 60 61 62 #ifdef __KERNEL__ 63 64 struct atm_tcp_ops { 65 int (*attach)(struct atm_vcc *vcc,int itf); 66 int (*create_persistent)(int itf); 67 int (*remove_persistent)(int itf); 68 struct module *owner; 69 }; 70 71 extern struct atm_tcp_ops atm_tcp_ops; 72 73 #endif 74 75 #endif 76