13.3 Structures Used by the X25_SET_FACILITY and X25_GET_FACILITY ioctl Commands
The following structures are referenced in "12.7.2 X25_SET_FACILITY/X25_GET_FACILITY ioctls".
Example 13-1 Structures Used by ioctls that Set and Get X.25 Facilities
/* Packet sizes allowed are 0 (default), 16, 32, 64,
* 128, 256, 512, 1024,2048, 4096
*/
typedef struct packet_size_s {
u_short sendpktsize;
u_short recvpktsize;
} PACKET_SIZE;
/* window sizes allowed are 0:
* (default), 1-7 (normal), 1-127 (extended)
*/
typedef struct window_size_s {
u_char sendwndsize;
u_char recvwndsize;
} WINDOW_SIZE;
/* throughput values allowed are
* 0 (default), 3 (75) , 4 (150), 5 (300),
* 6 (600), 7 (1200), 8 (2400), 9 (4800),
* 10 (9600), 11 (19200), 12 (48000)
*/
typedef struct throughput_s {
u_char sendthruput:4;
u_char recvthruput:4;
} THROUGHPUT;
typedef struct cug_s {
u_char cug_req;
#define CUG_NONE 0 /* no CUG */
#define CUG_REQ 1 /* CUG */
#define CUG_REQ_ACS 2 /* CUG with outgoing access */
#define CUG_BI 3 /* bilateral CUG */
u_short cug_index;
} CUG;
typedef struct rpoa_s {
u_char nrpoa; /* number of RPOAs requested */
#define MAX_RPOA 3
u_short rpoa_index[MAX_RPOA]; /* rpoas;
nrpoa = 1 => normal format */
} RPOA;
/* Zero value for a field means the field is not specified; if a
* field has zero value, that and the foll. fields are not sent.
*/
typedef struct ete_tr_delay_s {
u_short req_delay;
u_short desired_delay;
u_short max_delay;
} ETE_TR_DELAY;
typedef struct nui_s {
u_char nui_len; /* NUI length */
#define MAX_NUI 64
u_char nui_data[MAX_NUI] /* NUI */
} NUI;
typedef struct charge_info_s {
u_char charge_len;
#define MAX_CHARGE_INFO 64
u_char charge_data[MAX_CHARGE_INFO];
} CHARGE_INFO;
typedef struct call_redir_s {
u_char cr_reason;
u_char cr_hostlen;
u_char cr_host[(MAXHOSTADR+1)/2];
} CALL_REDIR;
typedef struct aef_s {
u_char aef_type;
#define AEF_NONE 0
#define AEF_NSAP 1
#define AEF_PARTIAL_NSAP 2
#define AEF_NON_OSI 3
u_char aef_len;
#define MAX_AEF 40
u_char aef[(MAX_AEF+1)/2];
} AEF;
typedef struct precedence_s {
u_char precedence_req; /* no precedence when = 0
* else precedence level
*/
u_char precedence; /* valid when precedence_req = 1 */
} PRECEDENCE;
typedef struct private_fact_s {
u_char p_len; /* total length of facilities */
#define MAX_PRIVATE 64
u_char p_fact[MAX_PRIVATE];
/* facilities exactly as they
* are present in Call Request or
* Call Accept packets
*/
} PRIVATE_FACT;
typedef struct facility_s {
u_int type;
#define T_FACILITIES 0x00000001
#define T_REVERSE_CHARGE 0x00000002
#define T_FAST_SELECT_TYPE 0x00000003
#define T_PACKET_SIZE 0x00000004
#define T_WINDOW_SIZE 0x00000005
#define T_THROUGHPUT 0x00000006
#define T_CUG 0x00000007
#define T_RPOA 0x00000008
#define T_TR_DELAY 0x00000009
#define T_MIN_THRU_CLASS 0x0000000a
#define T_ETE_TR_DELAY 0x0000000b
#define T_NUI 0x0000000c
#define T_CHARGE_REQ 0x0000000d
#define T_CHARGE_MU 0x0000000e
#define T_CHARGE_SEG 0x0000000f
#define T_CHARGE_DUR 0x00000010
#define T_LINE_ADDR_MOD 0x00000011
#define T_CALL_REDIR 0x00000012
#define T_EXPEDITED 0x00000013
#define T_CALLED_AEF 0x00000014
#define T_CALLING_AEF 0x00000015
#define T_STDSERVICE 0x00000016
#define T_OSISERVICE 0x00000017
#define T_PRECEDENCE 0x00000018
#define T_PRIVATE 0x00000019
union {
u_intfacilities;/* quick way to check
* if a facility is present
*/
#define F_REVERSE_CHARGE 0x00000001
#define F_FAST_SELECT_TYPE 0x00000002
#define F_PACKET_SIZE 0x00000004
#define F_WINDOW_SIZE 0x00000008
#define F_THROUGHPUT 0x00000010
#define F_MIN_THRU_CLASS 0x00000020
#define F_CUG 0x00000040
#define F_RPOA 0x00000080
#define F_TR_DELAY 0x00000100
#define F_ETE_TR_DELAY 0x00000200
#define F_NUI 0x00000400
#define F_CHARGE_REQ 0x00000800
#define F_CHARGE_MU 0x00001000
#define F_CHARGE_SEG 0x00002000
#define F_CHARGE_DUR 0x00004000
#define F_LINE_ADDR_MOD 0x00008000
#define F_CALL_REDIR 0x00010000
#define F_EXPEDITED 0x00020000
#define F_CALLED_AEF 0x00040000
#define F_CALLING_AEF 0x00080000
#define F_STDSERVICE 0x00100000
#define F_OSISERVICE 0x00200000
#define F_PRECEDENCE 0x00400000
#define F_PRIVATE 0x00800000
u_char reverse_charge;
/* permit/request reverse charge */
u_char fast_select_type;
#define FAST_OFF 0 /* don't use fast select */
#define FAST_CLR_ONLY 1 /* restricted response */
#define FAST_ACPT_CLR 2 /* unrestricted response */
PACKET_SIZE packet_size; /* packet sizes */
WINDOW_SIZE window_size; /* window sizes */
THROUGHPUT throughput; /* used for throughput
negotiation */
THROUGHPUT min_thru_class; /* minimum throughput class */
CUG cug; /* closed user group */
RPOA rpoa; /* RPOA specification */
u_short tr_delay; /* network transit delay */
ETE_TR_DELAY ete_tr_delay; /* end-to-end transit delay */
NUI nui; /* network user identification */
u_char charge_req; /* request charging info */
CHARGE_INFO charge_mu; /* charging info, monetary unit */
CHARGE_INFO charge_seg; /* charging info, segment */
CHARGE_INFO charge_dur; /* charging info, call duration */
u_char line_addr_mod; /* called line addr modified */
CALL_REDIR call_redir; /* call redirect notification */
u_char expedited; /* expedited data negotiation */
AEF called_aef; /* called aef */
AEF calling_aef; /* calling aef */
u_char osiservice; /* set when VC carries CLNP data */
u_char stdservice; /* set for DDN services */
PRECEDENCE prec; /* precedence for standard services */
PRIVATE_FACT private; /* non-X.25 local/rem facilities */
} facility;
} FACILITY;
/* Some convenient definitions. */
#define f_facilities facility.facilities
#define f_reverse_chargefacility.reverse_charge
#define f_fast_select_typefacility.fast_select_type
#define f_packet_size facility.packet_size
#define f_recvpktsize facility.packet_size.recvpktsize
#define f_sendpktsize facility.packet_size.sendpktsize
#define f_window_size facility.window_size
#define f_recvwndsize facility.window_size.recvwndsize
#define f_sendwndsize facility.window_size.sendwndsize
#define f_throughput facility.throughput
#define f_recvthruput facility.throughput.recvthruput
#define f_sendthruput facility.throughput.sendthruput
#define f_min_thru_classfacility.min_thru_class
#define f_min_recvthruputfacility.min_thru_class.recvthruput
#define f_min_sendthruputfacility.min_thru_class.sendthruput
#define f_cug facility.cug
#define f_cug_req facility.cug.cug_req
#define f_cug_index facility.cug.cug_index
#define f_rpoa facility.rpoa
#define f_nrpoa facility.rpoa.nrpoa
#define f_rpoa_req facility.rpoa.rpoa_req
#define f_tr_delay facility.tr_delay
#define f_ete_tr_delay facility.ete_tr_delay
#define f_req_delay facility.ete_tr_delay.req_delay
#define f_desired_delay facility.ete_tr_delay.desired_delay
#define f_max_delay facility.ete_tr_delay.max_delay
#define f_nui facility.nui
#define f_charge_req facility.charge_req
#define f_charge_mu facility.charge_mu
#define f_charge_seg facility.charge_seg
#define f_charge_dur facility.charge_dur
#define f_line_addr_mod facility.line_addr_mod
#define f_call_redir facility.call_redir
#define f_cr_reason facility.call_redir.cr_reason
#define f_cr_hostlen facility.call_redir.cr_hostlen
#define f_cr_host facility.call_redir.cr_host
#define f_expedited facility.expedited
#define f_called_aef facility.called_aef
#define f_cd_aef_type facility.called_aef.aef_type
#define f_cd_aef_len facility.called_aef.aef_len
#define f_cd_aef facility.called_aef.aef
#define f_calling_aef facility.calling_aef
#define f_cg_aef_type facility.calling_aef.aef_type
#define f_cg_aef_len facility.calling_aef.aef_len
#define f_cg_aef facility.calling_aef.aef
#define f_osiservice facility.osiservice
#define f_stdservice facility.stdservice
#define f_prec facility.prec
#define f_precedence_reqfacility.prec.precedence_req
#define f_precedence facility.prec.precedence
#define f_private facility.private
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