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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

gsmmux.h (4509B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. /* Copyright (c) 2022/23 Siemens Mobility GmbH */
  3. #ifndef _LINUX_GSMMUX_H
  4. #define _LINUX_GSMMUX_H
  6. #include <linux/const.h>
  7. #include <linux/if.h>
  8. #include <linux/ioctl.h>
  9. #include <linux/types.h>
  11. /*
  12.  * flags definition for n_gsm
  13.  *
  14.  * Used by:
  15.  * struct gsm_config_ext.flags
  16.  * struct gsm_dlci_config.flags
  17.  */
  18. /* Forces a DLCI reset if set. Otherwise, a DLCI reset is only done if
  19.  * incompatible settings were provided. Always cleared on retrieval.
  20.  */
  21. #define GSM_FL_RESTART	_BITUL(0)
  23. /**
  24.  * struct gsm_config - n_gsm basic configuration parameters
  25.  *
  26.  * This structure is used in combination with GSMIOC_GETCONF and GSMIOC_SETCONF
  27.  * to retrieve and set the basic parameters of an n_gsm ldisc.
  28.  * struct gsm_config_ext can be used to configure extended ldisc parameters.
  29.  *
  30.  * All timers are in units of 1/100th of a second.
  31.  *
  32.  * @adaption:      Convergence layer type
  33.  * @encapsulation: Framing (0 = basic option, 1 = advanced option)
  34.  * @initiator:     Initiator or responder
  35.  * @t1:            Acknowledgment timer
  36.  * @t2:            Response timer for multiplexer control channel
  37.  * @t3:            Response timer for wake-up procedure
  38.  * @n2:            Maximum number of retransmissions
  39.  * @mru:           Maximum incoming frame payload size
  40.  * @mtu:           Maximum outgoing frame payload size
  41.  * @k:             Window size
  42.  * @i:             Frame type (1 = UIH, 2 = UI)
  43.  * @unused:        Can not be used
  44.  */
  45. struct gsm_config
  46. {
  47. 	unsigned int adaption;
  48. 	unsigned int encapsulation;
  49. 	unsigned int initiator;
  50. 	unsigned int t1;
  51. 	unsigned int t2;
  52. 	unsigned int t3;
  53. 	unsigned int n2;
  54. 	unsigned int mru;
  55. 	unsigned int mtu;
  56. 	unsigned int k;
  57. 	unsigned int i;
  58. 	unsigned int unused[8];
  59. };
  61. #define GSMIOC_GETCONF		_IOR('G', 0, struct gsm_config)
  62. #define GSMIOC_SETCONF		_IOW('G', 1, struct gsm_config)
  64. /**
  65.  * struct gsm_netconfig - n_gsm network configuration parameters
  66.  *
  67.  * This structure is used in combination with GSMIOC_ENABLE_NET and
  68.  * GSMIOC_DISABLE_NET to enable or disable a network data connection
  69.  * over a mux virtual tty channel. This is for modems that support
  70.  * data connections with raw IP frames instead of PPP.
  71.  *
  72.  * @adaption: Adaption to use in network mode.
  73.  * @protocol: Protocol to use - only ETH_P_IP supported.
  74.  * @unused2:  Can not be used.
  75.  * @if_name:  Interface name format string.
  76.  * @unused:   Can not be used.
  77.  */
  78. struct gsm_netconfig {
  79. 	unsigned int adaption;
  80. 	unsigned short protocol;
  81. 	unsigned short unused2;
  82. 	char if_name[IFNAMSIZ];
  83. 	__u8 unused[28];
  84. };
  86. #define GSMIOC_ENABLE_NET      _IOW('G', 2, struct gsm_netconfig)
  87. #define GSMIOC_DISABLE_NET     _IO('G', 3)
  89. /* get the base tty number for a configured gsmmux tty */
  90. #define GSMIOC_GETFIRST		_IOR('G', 4, __u32)
  92. /**
  93.  * struct gsm_config_ext - n_gsm extended configuration parameters
  94.  *
  95.  * This structure is used in combination with GSMIOC_GETCONF_EXT and
  96.  * GSMIOC_SETCONF_EXT to retrieve and set the extended parameters of an
  97.  * n_gsm ldisc.
  98.  *
  99.  * All timers are in units of 1/100th of a second.
  100.  *
  101.  * @keep_alive:  Control channel keep-alive in 1/100th of a second (0 to disable).
  102.  * @wait_config: Wait for DLCI config before opening virtual link?
  103.  * @flags:       Mux specific flags.
  104.  * @reserved:    For future use, must be initialized to zero.
  105.  */
  106. struct gsm_config_ext {
  107. 	__u32 keep_alive;
  108. 	__u32 wait_config;
  109. 	__u32 flags;
  110. 	__u32 reserved[5];
  111. };
  113. #define GSMIOC_GETCONF_EXT	_IOR('G', 5, struct gsm_config_ext)
  114. #define GSMIOC_SETCONF_EXT	_IOW('G', 6, struct gsm_config_ext)
  116. /**
  117.  * struct gsm_dlci_config - n_gsm channel configuration parameters
  118.  *
  119.  * This structure is used in combination with GSMIOC_GETCONF_DLCI and
  120.  * GSMIOC_SETCONF_DLCI to retrieve and set the channel specific parameters
  121.  * of an n_gsm ldisc.
  122.  *
  123.  * Set the channel accordingly before calling GSMIOC_GETCONF_DLCI.
  124.  *
  125.  * @channel:  DLCI (0 for the associated DLCI).
  126.  * @adaption: Convergence layer type.
  127.  * @mtu:      Maximum transfer unit.
  128.  * @priority: Priority (0 for default value).
  129.  * @i:        Frame type (1 = UIH, 2 = UI).
  130.  * @k:        Window size (0 for default value).
  131.  * @flags:    DLCI specific flags.
  132.  * @reserved: For future use, must be initialized to zero.
  133.  */
  134. struct gsm_dlci_config {
  135. 	__u32 channel;
  136. 	__u32 adaption;
  137. 	__u32 mtu;
  138. 	__u32 priority;
  139. 	__u32 i;
  140. 	__u32 k;
  141. 	__u32 flags;
  142. 	__u32 reserved[7];
  143. };
  145. #define GSMIOC_GETCONF_DLCI	_IOWR('G', 7, struct gsm_dlci_config)
  146. #define GSMIOC_SETCONF_DLCI	_IOW('G', 8, struct gsm_dlci_config)
  148. #endif