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153 lines
3.5 KiB
153 lines
3.5 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* These are the public elements of the Linux kernel X.25 implementation. |
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* |
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* History |
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* mar/20/00 Daniela Squassoni Disabling/enabling of facilities |
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* negotiation. |
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* apr/02/05 Shaun Pereira Selective sub address matching with |
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* call user data |
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*/ |
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#ifndef X25_KERNEL_H |
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#define X25_KERNEL_H |
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#include <linux/types.h> |
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#include <linux/socket.h> |
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#define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0) |
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#define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1) |
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#define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2) |
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#define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3) |
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#define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4) |
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#define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5) |
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#define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6) |
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#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7) |
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#define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8) |
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#define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9) |
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#define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10) |
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#define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11) |
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#define SIOCX25SCAUSEDIAG (SIOCPROTOPRIVATE + 12) |
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/* |
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* Values for {get,set}sockopt. |
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*/ |
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#define X25_QBITINCL 1 |
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/* |
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* X.25 Packet Size values. |
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*/ |
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#define X25_PS16 4 |
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#define X25_PS32 5 |
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#define X25_PS64 6 |
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#define X25_PS128 7 |
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#define X25_PS256 8 |
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#define X25_PS512 9 |
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#define X25_PS1024 10 |
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#define X25_PS2048 11 |
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#define X25_PS4096 12 |
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/* |
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* An X.121 address, it is held as ASCII text, null terminated, up to 15 |
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* digits and a null terminator. |
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*/ |
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struct x25_address { |
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char x25_addr[16]; |
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}; |
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/* |
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* Linux X.25 Address structure, used for bind, and connect mostly. |
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*/ |
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struct sockaddr_x25 { |
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__kernel_sa_family_t sx25_family; /* Must be AF_X25 */ |
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struct x25_address sx25_addr; /* X.121 Address */ |
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}; |
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/* |
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* DTE/DCE subscription options. |
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* |
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* As this is missing lots of options, user should expect major |
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* changes of this structure in 2.5.x which might break compatibilty. |
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* The somewhat ugly dimension 200-sizeof() is needed to maintain |
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* backward compatibility. |
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*/ |
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struct x25_subscrip_struct { |
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char device[200-sizeof(unsigned long)]; |
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unsigned long global_facil_mask; /* 0 to disable negotiation */ |
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unsigned int extended; |
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}; |
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/* values for above global_facil_mask */ |
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#define X25_MASK_REVERSE 0x01 |
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#define X25_MASK_THROUGHPUT 0x02 |
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#define X25_MASK_PACKET_SIZE 0x04 |
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#define X25_MASK_WINDOW_SIZE 0x08 |
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#define X25_MASK_CALLING_AE 0x10 |
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#define X25_MASK_CALLED_AE 0x20 |
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/* |
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* Routing table control structure. |
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*/ |
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struct x25_route_struct { |
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struct x25_address address; |
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unsigned int sigdigits; |
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char device[200]; |
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}; |
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/* |
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* Facilities structure. |
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*/ |
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struct x25_facilities { |
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unsigned int winsize_in, winsize_out; |
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unsigned int pacsize_in, pacsize_out; |
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unsigned int throughput; |
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unsigned int reverse; |
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}; |
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/* |
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* ITU DTE facilities |
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* Only the called and calling address |
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* extension are currently implemented. |
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* The rest are in place to avoid the struct |
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* changing size if someone needs them later |
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*/ |
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struct x25_dte_facilities { |
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__u16 delay_cumul; |
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__u16 delay_target; |
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__u16 delay_max; |
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__u8 min_throughput; |
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__u8 expedited; |
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__u8 calling_len; |
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__u8 called_len; |
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__u8 calling_ae[20]; |
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__u8 called_ae[20]; |
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}; |
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/* |
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* Call User Data structure. |
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*/ |
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struct x25_calluserdata { |
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unsigned int cudlength; |
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unsigned char cuddata[128]; |
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}; |
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/* |
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* Call clearing Cause and Diagnostic structure. |
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*/ |
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struct x25_causediag { |
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unsigned char cause; |
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unsigned char diagnostic; |
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}; |
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/* |
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* Further optional call user data match length selection |
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*/ |
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struct x25_subaddr { |
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unsigned int cudmatchlength; |
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}; |
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#endif
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