1 files changed, 152 insertions, 0 deletions

diff --git a/include/uapi/linux/x25.h b/include/uapi/linux/x25.h
new file mode 100644
index 000000000000..810cce6737ea
--- /dev/null
+++ b/include/uapi/linux/x25.h
@@ -0,0 +1,152 @@
+/*
+ * These are the public elements of the Linux kernel X.25 implementation.
+ *
+ *      History
+ *      mar/20/00       Daniela Squassoni Disabling/enabling of facilities 
+ *                                        negotiation.
+ *      apr/02/05       Shaun Pereira Selective sub address matching with
+ *                                      call user data
+ */
+
+#ifndef X25_KERNEL_H
+#define X25_KERNEL_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+
+#define SIOCX25GSUBSCRIP        (SIOCPROTOPRIVATE + 0)
+#define SIOCX25SSUBSCRIP        (SIOCPROTOPRIVATE + 1)
+#define SIOCX25GFACILITIES      (SIOCPROTOPRIVATE + 2)
+#define SIOCX25SFACILITIES      (SIOCPROTOPRIVATE + 3)
+#define SIOCX25GCALLUSERDATA    (SIOCPROTOPRIVATE + 4)
+#define SIOCX25SCALLUSERDATA    (SIOCPROTOPRIVATE + 5)
+#define SIOCX25GCAUSEDIAG       (SIOCPROTOPRIVATE + 6)
+#define SIOCX25SCUDMATCHLEN     (SIOCPROTOPRIVATE + 7)
+#define SIOCX25CALLACCPTAPPRV   (SIOCPROTOPRIVATE + 8)
+#define SIOCX25SENDCALLACCPT    (SIOCPROTOPRIVATE + 9)
+#define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10)
+#define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11)
+#define SIOCX25SCAUSEDIAG       (SIOCPROTOPRIVATE + 12)
+
+/*
+ *      Values for {get,set}sockopt.
+ */
+#define X25_QBITINCL            1
+
+/*
+ *      X.25 Packet Size values.
+ */
+#define X25_PS16                4
+#define X25_PS32                5
+#define X25_PS64                6
+#define X25_PS128               7
+#define X25_PS256               8
+#define X25_PS512               9
+#define X25_PS1024              10
+#define X25_PS2048              11
+#define X25_PS4096              12
+
+/*
+ * An X.121 address, it is held as ASCII text, null terminated, up to 15
+ * digits and a null terminator.
+ */
+struct x25_address {
+        char x25_addr[16];
+};
+
+/*
+ *      Linux X.25 Address structure, used for bind, and connect mostly.
+ */
+struct sockaddr_x25 {
+        __kernel_sa_family_t sx25_family;       /* Must be AF_X25 */
+        struct x25_address sx25_addr;           /* X.121 Address */
+};
+
+/*
+ *      DTE/DCE subscription options.
+ *
+ *      As this is missing lots of options, user should expect major
+ *      changes of this structure in 2.5.x which might break compatibilty.
+ *      The somewhat ugly dimension 200-sizeof() is needed to maintain
+ *      backward compatibility.
+ */
+struct x25_subscrip_struct {
+        char device[200-sizeof(unsigned long)];
+        unsigned long   global_facil_mask;      /* 0 to disable negotiation */
+        unsigned int    extended;
+};
+
+/* values for above global_facil_mask */
+
+#define X25_MASK_REVERSE        0x01    
+#define X25_MASK_THROUGHPUT     0x02
+#define X25_MASK_PACKET_SIZE    0x04
+#define X25_MASK_WINDOW_SIZE    0x08
+
+#define X25_MASK_CALLING_AE 0x10
+#define X25_MASK_CALLED_AE 0x20
+
+
+/*
+ *      Routing table control structure.
+ */
+struct x25_route_struct {
+        struct x25_address address;
+        unsigned int       sigdigits;
+        char               device[200];
+};
+
+/*
+ *      Facilities structure.
+ */
+struct x25_facilities {
+        unsigned int    winsize_in, winsize_out;
+        unsigned int    pacsize_in, pacsize_out;
+        unsigned int    throughput;
+        unsigned int    reverse;
+};
+
+/*
+* ITU DTE facilities
+* Only the called and calling address
+* extension are currently implemented.
+* The rest are in place to avoid the struct
+* changing size if someone needs them later
+*/
+
+struct x25_dte_facilities {
+        __u16 delay_cumul;
+        __u16 delay_target;
+        __u16 delay_max;
+        __u8 min_throughput;
+        __u8 expedited;
+        __u8 calling_len;
+        __u8 called_len;
+        __u8 calling_ae[20];
+        __u8 called_ae[20];
+};
+
+/*
+ *      Call User Data structure.
+ */
+struct x25_calluserdata {
+        unsigned int    cudlength;
+        unsigned char   cuddata[128];
+};
+
+/*
+ *      Call clearing Cause and Diagnostic structure.
+ */
+struct x25_causediag {
+        unsigned char   cause;
+        unsigned char   diagnostic;
+};
+
+/*
+ *      Further optional call user data match length selection
+ */
+struct x25_subaddr {
+        unsigned int cudmatchlength;
+};
+
+#endif