--- a/include/linux/atm_tcp.h
+++ b/include/linux/atm_tcp.h
/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
driver-specific utilities) */
-/* Written 1997,1998 by Werner Almesberger, EPFL LRC/ICA */
+/* Written 1997-1999 by Werner Almesberger, EPFL LRC/ICA */
#ifndef LINUX_ATM_TCP_H
/*
- * All values are in network byte order
+ * All values in struct atmtcp_hdr are in network byte order
*/
struct atmtcp_hdr {
uint32_t 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 */
+ unsigned long vcc; /* both directions */
+ struct sockaddr_atmpvc addr; /* suggested value from kernel */
+ struct atm_qos qos; /* both directions */
+ int result; /* to kernel only */
+};
+
+/*
+ * 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*/
+ interface */
#ifdef __KERNEL__
