Merged pre-2.1.99-2 Documentation/isdn changes (spelling errors)
Minor README.x25 changes.
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@ -53,7 +53,7 @@ Description of the Interface between Linklevel and Hardwarelevel
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***CHANGE0.6: New since this version.
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***CHANGE0.6: New since this version.
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Also to be preset by the HL-driver. With this value the HL-driver
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Also to be preset by the HL-driver. With this value the HL-driver
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tells to the LL the maximum size of a data-packet it will accept.
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tells the LL the maximum size of a data-packet it will accept.
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unsigned long features;
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unsigned long features;
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@ -70,8 +70,8 @@ Description of the Interface between Linklevel and Hardwarelevel
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***CHANGE0.7.4: New field.
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***CHANGE0.7.4: New field.
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To be preset by the HL-driver, if it supports sk_buff's. The driver
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To be preset by the HL-driver, if it supports sk_buff's. The driver
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should put here the amount of additional space needed in sk-buff's for
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should put here the amount of additional space needed in sk_buff's for
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its internal purposes. Drivers not supporting sk_buff's should put
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its internal purposes. Drivers not supporting sk_buff's should
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initialize this field to 0.
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initialize this field to 0.
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void (*rcvcallb_skb)(int, int, struct sk_buff *)
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void (*rcvcallb_skb)(int, int, struct sk_buff *)
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@ -211,7 +211,7 @@ Description of the Interface between Linklevel and Hardwarelevel
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All commands will be performed by calling the function command() described
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All commands will be performed by calling the function command() described
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above from within the LL. The field command of the struct-parameter will
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above from within the LL. The field command of the struct-parameter will
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contain the desired command, the field driver always is set to the
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contain the desired command, the field driver is always set to the
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appropriate driver-Id.
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appropriate driver-Id.
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Until now, the following commands are defined:
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Until now, the following commands are defined:
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@ -436,7 +436,7 @@ Description of the Interface between Linklevel and Hardwarelevel
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arg = unused.
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arg = unused.
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para = unused.
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para = unused.
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3. Description of the events to be signaled by the HL-driver to th LL.
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3. Description of the events to be signaled by the HL-driver to the LL.
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All status-changes are signaled via calling the previously described
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All status-changes are signaled via calling the previously described
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function statcallb(). The field command of the struct isdn_cmd has
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function statcallb(). The field command of the struct isdn_cmd has
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@ -520,7 +520,7 @@ Description of the Interface between Linklevel and Hardwarelevel
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remote-station has initiated establishment)
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remote-station has initiated establishment)
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The HL driver should call this when the logical l2/l3 protocol
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The HL driver should call this when the logical l2/l3 protocol
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connection on top of the physical B-channel is esatblished .
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connection on top of the physical B-channel is established.
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Parameter:
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Parameter:
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driver = driver-Id
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driver = driver-Id
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@ -624,7 +624,7 @@ Description of the Interface between Linklevel and Hardwarelevel
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With this call, the HL-driver delivers CAUSE-messages to the LL.
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With this call, the HL-driver delivers CAUSE-messages to the LL.
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Currently the LL does not use this messages. Their contents is simply
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Currently the LL does not use this messages. Their contents is simply
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logged via kernel-messages. Therefore, currently the format of the
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logged via kernel-messages. Therefore, currently the format of the
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messages is currently completely free. However they should be printable.
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messages is completely free. However they should be printable.
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Parameter:
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Parameter:
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driver = driver-Id
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driver = driver-Id
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@ -62,7 +62,7 @@ README for the ISDN-subsystem
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read: raw D-channel-messages (format: depends on driver).
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read: raw D-channel-messages (format: depends on driver).
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ioctl: depends on driver, i.e. for the ICN-driver, the base-address of
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ioctl: depends on driver, i.e. for the ICN-driver, the base-address of
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the ports and the shared memory on the card can be set and read
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the ports and the shared memory on the card can be set and read
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also the boot-code an the protocol software can be loaded into
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also the boot-code and the protocol software can be loaded into
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the card.
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the card.
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O N L Y !!! for debugging (no locking against other devices):
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O N L Y !!! for debugging (no locking against other devices):
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@ -74,7 +74,7 @@ README for the ISDN-subsystem
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128 tty-devices (64 cuix and 64 ttyIx) with integrated modem-emulator:
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128 tty-devices (64 cuix and 64 ttyIx) with integrated modem-emulator:
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The functionality is almost the same as that of a serial device
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The functionality is almost the same as that of a serial device
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(the line-discs are handled by the kernel, which lets you run
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(the line-discs are handled by the kernel), which lets you run
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SLIP, CSLIP and asynchronous PPP through the devices. We have tested
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SLIP, CSLIP and asynchronous PPP through the devices. We have tested
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Seyon, minicom, CSLIP (uri-dip) PPP and mgetty (compiled with NO_FAX),
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Seyon, minicom, CSLIP (uri-dip) PPP and mgetty (compiled with NO_FAX),
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XCept.
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XCept.
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@ -96,7 +96,7 @@ README for the ISDN-subsystem
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ATI Return "ISDN for Linux...".
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ATI Return "ISDN for Linux...".
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ATI0 "
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ATI0 "
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ATI1 "
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ATI1 "
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ATI2 Report of last connection.
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ATI2 Report of last connection.
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ATO On line (data mode).
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ATO On line (data mode).
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ATQ0 Enable result codes (default).
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ATQ0 Enable result codes (default).
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ATQ1 Disable result codes (default).
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ATQ1 Disable result codes (default).
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@ -107,9 +107,9 @@ README for the ISDN-subsystem
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ATZ Load registers and EAZ/MSN from Profile.
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ATZ Load registers and EAZ/MSN from Profile.
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AT&Bx Set Send-Packet-size to x (max. 4000)
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AT&Bx Set Send-Packet-size to x (max. 4000)
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The real packet-size may be limited by the
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The real packet-size may be limited by the
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low-level-driver used. i.e.: the HiSax-Module-
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low-level-driver used. e.g. the HiSax-Module-
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limit is 2000. You will get NO Error-Message,
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limit is 2000. You will get NO Error-Message,
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if you set it to higher Values, because at the
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if you set it to higher values, because at the
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time of giving this command the corresponding
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time of giving this command the corresponding
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driver may not be selected (see "Automatic
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driver may not be selected (see "Automatic
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Assignment") however the size of outgoing packets
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Assignment") however the size of outgoing packets
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@ -245,7 +245,7 @@ README for the ISDN-subsystem
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19 0 Service-Octet-2
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19 0 Service-Octet-2
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20 0 Bit coded register (readonly)
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20 0 Bit coded register (readonly)
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Service-Octet-1 of last call.
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Service-Octet-1 of last call.
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Bit mapping is the same like register 18
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Bit mapping is the same as register 18
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21 0 Bit coded register (readonly)
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21 0 Bit coded register (readonly)
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Set on incoming call (during RING) to
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Set on incoming call (during RING) to
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octet 3 of calling party number IE (Numbering plan)
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octet 3 of calling party number IE (Numbering plan)
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@ -263,17 +263,17 @@ README for the ISDN-subsystem
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All inactive physical lines are listening to all EAZs for incoming
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All inactive physical lines are listening to all EAZs for incoming
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calls and are NOT assigned to a specific tty or network interface.
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calls and are NOT assigned to a specific tty or network interface.
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When an incoming call is detected, the driver looks first for a network
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When an incoming call is detected, the driver looks first for a network
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interfaces and then for an opened tty which:
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interface and then for an opened tty which:
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1. is configured for the same EAZ.
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1. is configured for the same EAZ.
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2. has the same protocol settings for the B-channel.
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2. has the same protocol settings for the B-channel.
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3. (only for network interfaces if the security flag is set)
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3. (only for network interfaces if the security flag is set)
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contains the caller number in its access list.
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contains the caller number in its access list.
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4. Either the channel is not bound exclusively to another Net-interface, or
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4. Either the channel is not bound exclusively to another Net-interface, or
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it is bound AND the other checks apply to exact this Interface.
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it is bound AND the other checks apply to exactly this Interface.
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(For usage of the bind-features, refer to the isdnctrl-man-page)
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(For usage of the bind-features, refer to the isdnctrl-man-page)
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Only when a matching interface or tty is found, the call is accepted
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Only when a matching interface or tty is found is the call accepted
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and the "connection" between the low-level-layer and the link-level-layer
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and the "connection" between the low-level-layer and the link-level-layer
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is established and kept until the end of the connection.
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is established and kept until the end of the connection.
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In all other cases no connection is established. Isdn4linux can be
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In all other cases no connection is established. Isdn4linux can be
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@ -309,7 +309,7 @@ README for the ISDN-subsystem
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4. Device-inodes
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4. Device-inodes
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The major and minor-numbers and its names are described in
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The major and minor numbers and their names are described in
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Documentation/devices.txt. The major-numbers are:
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Documentation/devices.txt. The major-numbers are:
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43 for the ISDN-tty's.
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43 for the ISDN-tty's.
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@ -357,7 +357,7 @@ README for the ISDN-subsystem
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i) Setup the interface with ifconfig as usual, and set a route to it.
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i) Setup the interface with ifconfig as usual, and set a route to it.
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j) (optional) If you run X11 and have Tcl/Tk-wish Version4.0, you can use
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j) (optional) If you run X11 and have Tcl/Tk-wish Version 4.0, you can use
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the script tools/tcltk/isdnmon. You can add actions for line-status
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the script tools/tcltk/isdnmon. You can add actions for line-status
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changes. See the comments at the beginning of the script for how to
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changes. See the comments at the beginning of the script for how to
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do that. There are other tty-based tools in the tools-subdirectory
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do that. There are other tty-based tools in the tools-subdirectory
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@ -399,7 +399,7 @@ README for the ISDN-subsystem
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"isdnctrl secure <InterfaceName> off"
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"isdnctrl secure <InterfaceName> off"
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Switch of secure operation (default).
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Switch off secure operation (default).
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"isdnctrl ihup <InterfaceName> [on|off]"
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"isdnctrl ihup <InterfaceName> [on|off]"
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Switch the hang-up-timer for incoming calls on or off.
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Switch the hang-up-timer for incoming calls on or off.
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@ -434,15 +434,15 @@ README for the ISDN-subsystem
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Selects the type of packet-encapsulation. The encapsulation can be changed
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Selects the type of packet-encapsulation. The encapsulation can be changed
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only while an interface is down.
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only while an interface is down.
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At the moment th following Values are supported:
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At the moment the following values are supported:
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rawip (Default) Selects raw-IP-encapsulation. This means, MAC-headers
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rawip (Default) Selects raw-IP-encapsulation. This means, MAC-headers
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are stripped off.
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are stripped off.
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ip IP with type-field. Same as IP but the type-field of the MAC-header
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ip IP with type-field. Same as IP but the type-field of the MAC-header
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is preserved.
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is preserved.
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x25iface x25 interface encapsulation (first byte semantics as defined in
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x25iface X.25 interface encapsulation (first byte semantics as defined in
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../networking/x25-iface.txt). Use this for running the linux
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../networking/x25-iface.txt). Use this for running the linux
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x25 network protocol stack (AF_X25 sockets) on top of isdn.
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X.25 network protocol stack (AF_X25 sockets) on top of isdn.
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cisco-h A special-mode for communicating with a Cisco, which is configured
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cisco-h A special-mode for communicating with a Cisco, which is configured
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to do "hdlc"
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to do "hdlc"
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ethernet No stripping. Packets are sent with full MAC-header.
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ethernet No stripping. Packets are sent with full MAC-header.
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@ -483,7 +483,7 @@ README for the ISDN-subsystem
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dial out using a specific Card or even preserve a specific Channel for
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dial out using a specific Card or even preserve a specific Channel for
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Dialout of a specific net-interface. This can be done with the above
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Dialout of a specific net-interface. This can be done with the above
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command. Replace <DriverId> by whatever you assigned while loading the
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command. Replace <DriverId> by whatever you assigned while loading the
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module. The <ChannelNumber> is counting from zero. the upper Limit
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module. The <ChannelNumber> is counting from zero. The upper Limit
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depends on the card used. At the Moment no card supports more than
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depends on the card used. At the Moment no card supports more than
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2 Channels, so the upper limit is one.
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2 Channels, so the upper limit is one.
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@ -72,7 +72,7 @@ It can be configured using the command line feature while loading the kernel
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with LILO or LOADLIN or, if built as a module, using insmod/modprobe with
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with LILO or LOADLIN or, if built as a module, using insmod/modprobe with
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parameters.
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parameters.
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There is also some config needed before you compile the kernel and/or
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There is also some config needed before you compile the kernel and/or
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modules. It is enclose in the normal "make [menu]config" target at the
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modules. It is included in the normal "make [menu]config" target at the
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kernel. Don't forget it, especially to select the right D-channel protocol.
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kernel. Don't forget it, especially to select the right D-channel protocol.
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Please note: All PnP cards need to be configured with isapnp and will work
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Please note: All PnP cards need to be configured with isapnp and will work
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@ -159,7 +159,7 @@ Card types:
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At the moment IRQ sharing is only possible with PCI cards. Please make sure
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At the moment IRQ sharing is only possible with PCI cards. Please make sure
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that your IRQ is free and enabled for ISA use.
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that your IRQ is free and enabled for ISA use.
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Note: For using the ELSA PCMCIA you need the cardmanager under MSDOS for
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Note: For using the ELSA PCMCIA you need the cardmanager under MSDOS for
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enabling in the moment, then boot linux with loadlin.
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enabling at the moment, then boot linux with loadlin.
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Examples for module loading
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Examples for module loading
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@ -283,7 +283,7 @@ At the moment, debugging messages are enabled with the hisaxctrl tool:
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hisaxctrl <DriverId> DebugCmd <debugging_flags>
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hisaxctrl <DriverId> DebugCmd <debugging_flags>
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<DriverId> default is HiSax, if you didn't specified one.
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<DriverId> default is HiSax, if you didn't specify one.
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DebugCmd is 1 for generic debugging
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DebugCmd is 1 for generic debugging
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11 for layer 1 development debugging
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11 for layer 1 development debugging
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@ -320,18 +320,18 @@ With DebugCmd set to 11:
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With DebugCmd set to 13:
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With DebugCmd set to 13:
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1 Warnings (default: on)
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1 Warnings (default: on)
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2 l3 protocol discriptor errors
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2 l3 protocol descriptor errors
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4 l3 state machine
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4 l3 state machine
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8 charge info debugging (1TR6)
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8 charge info debugging (1TR6)
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For example, 'hisaxctrl HiSax 1 0x3ff' enables full generic debugging.
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For example, 'hisaxctrl HiSax 1 0x3ff' enables full generic debugging.
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Because of some obscure problems with some switch equipment, the delay
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Because of some obscure problems with some switch equipment, the delay
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between CONNECT message and sending the first data on th B-channel is now
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between the CONNECT message and sending the first data on the B-channel is now
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configurable with
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configurable with
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hisaxctrl <DriverId> 2 <delay>
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hisaxctrl <DriverId> 2 <delay>
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<delay> in ms Value between 50 an 800 ms are recommended.
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<delay> in ms Value between 50 and 800 ms is recommended.
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Warning
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Warning
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@ -402,7 +402,7 @@ Original from Juergen Quade, new version KKe.
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Attention NEW VERSION, the old leased line syntax won't work !!!
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Attention NEW VERSION, the old leased line syntax won't work !!!
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You can use HiSax to connect your Linux-Box via an ISDN leased line
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You can use HiSax to connect your Linux-Box via an ISDN leased line
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to i.e. the internet:
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to e.g. the Internet:
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1. Build a kernel which includes the HiSax driver either as a module
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1. Build a kernel which includes the HiSax driver either as a module
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or as part of the kernel.
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or as part of the kernel.
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@ -420,7 +420,7 @@ to i.e. the internet:
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vi /etc/lilo.conf
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vi /etc/lilo.conf
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<add HiSax driver parameter in the global section (see below)>
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<add HiSax driver parameter in the global section (see below)>
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lilo
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lilo
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Your lilo.conf _might_ look as the following:
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Your lilo.conf _might_ look like the following:
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# LILO configuration-file
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# LILO configuration-file
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# global section
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# global section
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@ -462,7 +462,7 @@ to i.e. the internet:
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/sbin/isdnctrl secure isdn0 on
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/sbin/isdnctrl secure isdn0 on
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/sbin/isdnctrl huptimeout isdn0 0
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/sbin/isdnctrl huptimeout isdn0 0
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/sbin/isdnctrl l2_prot isdn0 hdlc
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/sbin/isdnctrl l2_prot isdn0 hdlc
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# Attention you must not set a outgoing number !!! This won't work !!!
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# Attention you must not set an outgoing number !!! This won't work !!!
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# The incomming number is LEASED0 for the first card, LEASED1 for the
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# The incomming number is LEASED0 for the first card, LEASED1 for the
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# second and so on.
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# second and so on.
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/sbin/isdnctrl addphone isdn0 in LEASED0
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/sbin/isdnctrl addphone isdn0 in LEASED0
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@ -478,7 +478,7 @@ to i.e. the internet:
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/sbin/hisaxctrl HiSax 5 1
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/sbin/hisaxctrl HiSax 5 1
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Remarks:
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Remarks:
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a) If you have a CISCO don´t forget to switch off the KEEP ALIVE option!
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a) If you have a CISCO don't forget to switch off the KEEP ALIVE option!
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Here an example script:
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Here an example script:
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#!/bin/sh
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#!/bin/sh
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@ -36,7 +36,7 @@ IRQ is configured by software. Possible values are:
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3, 5, 7, 10, 11, 12, 15 and none (polled mode)
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3, 5, 7, 10, 11, 12, 15 and none (polled mode)
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The ACT2000 driver either may be build into kernel or as a module.
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The ACT2000 driver may either be built into the kernel or as a module.
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Initialization depends on how the driver is built:
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Initialization depends on how the driver is built:
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Driver built into the kernel:
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Driver built into the kernel:
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@ -78,11 +78,11 @@ Driver built as module:
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act_bus=b act_port=p act_irq=i act_id=idstring
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act_bus=b act_port=p act_irq=i act_id=idstring
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where b, p, i and idstring have the same meanings like parameters
|
where b, p, i and idstring have the same meanings as the parameters
|
||||||
described for the builtin version above.
|
described for the builtin version above.
|
||||||
|
|
||||||
Using the "actctrl"-utility, the same features apply to the modularized
|
Using the "actctrl"-utility, the same features apply to the modularized
|
||||||
version like to the kernel-builtin one. (i.e. loading of firmware and
|
version as to the kernel-builtin one. (i.e. loading of firmware and
|
||||||
configuring the D-channel protocol)
|
configuring the D-channel protocol)
|
||||||
|
|
||||||
Loading the firmware into the card:
|
Loading the firmware into the card:
|
||||||
|
@ -90,7 +90,7 @@ Loading the firmware into the card:
|
||||||
The firmware is supplied together with the isdn4k-utils package. It
|
The firmware is supplied together with the isdn4k-utils package. It
|
||||||
can be found in the subdirectory act2000/firmware/
|
can be found in the subdirectory act2000/firmware/
|
||||||
|
|
||||||
Assumed you have installed the utility-package correctly, the firmware
|
Assuming you have installed the utility-package correctly, the firmware
|
||||||
will be downloaded into the card using the following command:
|
will be downloaded into the card using the following command:
|
||||||
|
|
||||||
actctrl -d idstring load /etc/isdn/bip11.btl
|
actctrl -d idstring load /etc/isdn/bip11.btl
|
||||||
|
|
|
@ -22,7 +22,7 @@ Commands for enabling/disabling audio mode:
|
||||||
|
|
||||||
Commands supported in audio mode:
|
Commands supported in audio mode:
|
||||||
|
|
||||||
All audio mode commands have the one of the following form:
|
All audio mode commands have one of the following forms:
|
||||||
|
|
||||||
AT+Vxx? Show current setting.
|
AT+Vxx? Show current setting.
|
||||||
AT+Vxx=? Show possible settings.
|
AT+Vxx=? Show possible settings.
|
||||||
|
@ -89,8 +89,8 @@ General behavior and description of data formats/protocol.
|
||||||
<DLE><ETX> End of audio data. (i.e. caused by a
|
<DLE><ETX> End of audio data. (i.e. caused by a
|
||||||
hangup of the remote side) Emulator stops
|
hangup of the remote side) Emulator stops
|
||||||
recording, responding with VCON.
|
recording, responding with VCON.
|
||||||
<DLE><DC4> Abort recording, (send by appl.) Emulator
|
<DLE><DC4> Abort recording, (send by appl.) Emulator
|
||||||
stops recording, sends DLE,ETX.
|
stops recording, sends DLE,ETX.
|
||||||
<DLE><DLE> Escape sequence for DLE in data stream.
|
<DLE><DLE> Escape sequence for DLE in data stream.
|
||||||
<DLE>0 Touchtone "0" received.
|
<DLE>0 Touchtone "0" received.
|
||||||
...
|
...
|
||||||
|
|
|
@ -26,7 +26,7 @@ To use the card you need the t4-files to download the firmware.
|
||||||
AVM GmbH provides several t4-files for the different D-channel
|
AVM GmbH provides several t4-files for the different D-channel
|
||||||
protocols (b1.t4 for Euro-ISDN). Install these file in /lib/isdn.
|
protocols (b1.t4 for Euro-ISDN). Install these file in /lib/isdn.
|
||||||
|
|
||||||
If you not compile the driver as modules, you have to add the
|
If you do not compile the driver as modules, you have to add the
|
||||||
card(s) and load them after booting:
|
card(s) and load them after booting:
|
||||||
|
|
||||||
avmcapictrl add 0x150 15
|
avmcapictrl add 0x150 15
|
||||||
|
|
|
@ -10,7 +10,7 @@ Thus, the mnemonic: "CONnection CONtrolling eNCAPsulation Protocol".
|
||||||
|
|
||||||
This is currently only used inside the isdn subsystem. But it might
|
This is currently only used inside the isdn subsystem. But it might
|
||||||
also be useful to other kinds of network devices. Thus, if you want
|
also be useful to other kinds of network devices. Thus, if you want
|
||||||
to suggest changes that improve usability or performace of the
|
to suggest changes that improve usability or performance of the
|
||||||
interface, please let me know. I'm willing to include them in future
|
interface, please let me know. I'm willing to include them in future
|
||||||
releases (even if I needed to adapt the current isdn code to the
|
releases (even if I needed to adapt the current isdn code to the
|
||||||
changed interface).
|
changed interface).
|
||||||
|
@ -25,14 +25,14 @@ Thus, a device driver for a certain type of hardware must support
|
||||||
several different encapsulation protocols at once.
|
several different encapsulation protocols at once.
|
||||||
|
|
||||||
The isdn device driver did already support several different
|
The isdn device driver did already support several different
|
||||||
encapsulation protocols. The encapsulation protocol is configuered by a
|
encapsulation protocols. The encapsulation protocol is configured by a
|
||||||
user space utility (isdnctrl). The isdn network interface code then
|
user space utility (isdnctrl). The isdn network interface code then
|
||||||
uses several case statements which select appropriate actions
|
uses several case statements which select appropriate actions
|
||||||
depending on the currently configuered encapsulation protocol.
|
depending on the currently configured encapsulation protocol.
|
||||||
|
|
||||||
In contrast, LAN network interfaces always used a single encapsulation
|
In contrast, LAN network interfaces always used a single encapsulation
|
||||||
protocol which is unique to the hardware type of the interface. The LAN
|
protocol which is unique to the hardware type of the interface. The LAN
|
||||||
encapsulation is usually done by just sticking a header at the data. Thus,
|
encapsulation is usually done by just sticking a header on the data. Thus,
|
||||||
traditional linux network device drivers used to process the
|
traditional linux network device drivers used to process the
|
||||||
encapsulation protocol directly (usually by just providing a hard_header()
|
encapsulation protocol directly (usually by just providing a hard_header()
|
||||||
method in the device structure) using some hardware type specific support
|
method in the device structure) using some hardware type specific support
|
||||||
|
@ -46,13 +46,13 @@ the requirements for complex WAN encapsulations.
|
||||||
|
|
||||||
|
|
||||||
Many Encapsulation protocols used on top of WAN connections will not just
|
Many Encapsulation protocols used on top of WAN connections will not just
|
||||||
stick a header at the data. They also might need to set up or release
|
stick a header on the data. They also might need to set up or release
|
||||||
the WAN connection. They also might want to send other data for their
|
the WAN connection. They also might want to send other data for their
|
||||||
private purpose over the wire. I.e. ppp does a lot of link level
|
private purpose over the wire, e.g. ppp does a lot of link level
|
||||||
negotiation before the first peace of user data can be transmitted.
|
negotiation before the first piece of user data can be transmitted.
|
||||||
Such encapsulation protocols for WAN devices are typically more complex
|
Such encapsulation protocols for WAN devices are typically more complex
|
||||||
than encapsulation protocols for lan devices. Thus, network interfaces
|
than encapsulation protocols for lan devices. Thus, network interface
|
||||||
code for typical WAN devices also tends to be more more complex.
|
code for typical WAN devices also tends to be more complex.
|
||||||
|
|
||||||
|
|
||||||
In order to support Linux' x25 PLP implementation on top of
|
In order to support Linux' x25 PLP implementation on top of
|
||||||
|
@ -65,22 +65,22 @@ protocol, complexity could be reduced and maintainability could be
|
||||||
increased.
|
increased.
|
||||||
|
|
||||||
|
|
||||||
Likewise, a same encapsulation protocol will frequently be needed by
|
Likewise, a similar encapsulation protocol will frequently be needed by
|
||||||
several different interfaces of even different hardware type. I.e. the
|
several different interfaces of even different hardware type, e.g. the
|
||||||
synchronous ppp implementaion used by the isdn driver and the
|
synchronous ppp implementation used by the isdn driver and the
|
||||||
asyncronous ppp implemntation used by the ppp driver have a lot of
|
asyncronous ppp implementation used by the ppp driver have a lot of
|
||||||
similar code in them. By cleanly separating the encapsulation protocol
|
similar code in them. By cleanly separating the encapsulation protocol
|
||||||
from the hardware specific interface stuff such code could be shared
|
from the hardware specific interface stuff such code could be shared
|
||||||
better in future.
|
better in future.
|
||||||
|
|
||||||
|
|
||||||
When operating over dial-up-connections (i.e. telephone lines via modem,
|
When operating over dial-up-connections (e.g. telephone lines via modem,
|
||||||
non-permanent virtual circuits of wide area networks, ISDN) many
|
non-permanent virtual circuits of wide area networks, ISDN) many
|
||||||
encapsulation protocols will need to control the connection. Therfore,
|
encapsulation protocols will need to control the connection. Therefore,
|
||||||
some basic connection control primitives are supported. The type and
|
some basic connection control primitives are supported. The type and
|
||||||
semantics of the connection (i.e the ISO layer where connection service
|
semantics of the connection (i.e the ISO layer where connection service
|
||||||
is provided) is outside our scope and might be different depending on
|
is provided) is outside our scope and might be different depending on
|
||||||
the encapsulation protocol used. I.e. for a ppp module using our service
|
the encapsulation protocol used, e.g. for a ppp module using our service
|
||||||
on top of a modem connection a connect_request will result in dialing
|
on top of a modem connection a connect_request will result in dialing
|
||||||
a (somewhere else configured) remote phone number. For an X25-interface
|
a (somewhere else configured) remote phone number. For an X25-interface
|
||||||
module (LAPB semantics, as defined in Documentation/networking/x25-iface.txt)
|
module (LAPB semantics, as defined in Documentation/networking/x25-iface.txt)
|
||||||
|
@ -88,7 +88,7 @@ a connect_request will ask for establishing a reliable lapb
|
||||||
datalink connection.
|
datalink connection.
|
||||||
|
|
||||||
|
|
||||||
The encapsulation protocol currently provides the follwing
|
The encapsulation protocol currently provides the following
|
||||||
service primitives to the network device.
|
service primitives to the network device.
|
||||||
|
|
||||||
- create a new encapsulation protocol instance
|
- create a new encapsulation protocol instance
|
||||||
|
@ -121,7 +121,7 @@ struct concap_proto_ops{
|
||||||
struct device *ndev,
|
struct device *ndev,
|
||||||
struct concap_device_ops *dops);
|
struct concap_device_ops *dops);
|
||||||
|
|
||||||
/* inactivate an encapsulation protocol instance. The encapsulation
|
/* deactivate an encapsulation protocol instance. The encapsulation
|
||||||
protocol may not call any *dops methods after this. */
|
protocol may not call any *dops methods after this. */
|
||||||
int (*close)(struct concap_proto *cprot);
|
int (*close)(struct concap_proto *cprot);
|
||||||
|
|
||||||
|
@ -145,24 +145,24 @@ The data structures are defined in the header file include/linux/concap.h.
|
||||||
A Network interface using encapsulation protocols must also provide
|
A Network interface using encapsulation protocols must also provide
|
||||||
some service primitives to the encapsulation protocol:
|
some service primitives to the encapsulation protocol:
|
||||||
|
|
||||||
- request data beeing submitted by lower layer (device hardware)
|
- request data being submitted by lower layer (device hardware)
|
||||||
- request a connection beeing set up by lower layer
|
- request a connection being set up by lower layer
|
||||||
- request a connection beeing released by lower layer
|
- request a connection being released by lower layer
|
||||||
|
|
||||||
The encapsulations protocol accesses those primitives via callbacks
|
The encapsulation protocol accesses those primitives via callbacks
|
||||||
provided by the network interface within a struct concap_device_ops.
|
provided by the network interface within a struct concap_device_ops.
|
||||||
|
|
||||||
struct concap_device_ops{
|
struct concap_device_ops{
|
||||||
|
|
||||||
/* to request data is submitted by device*/
|
/* to request data be submitted by device */
|
||||||
int (*data_req)(struct concap_proto *, struct sk_buff *);
|
int (*data_req)(struct concap_proto *, struct sk_buff *);
|
||||||
|
|
||||||
/* Control methods must be set to NULL by devices which do not
|
/* Control methods must be set to NULL by devices which do not
|
||||||
support connection control.*/
|
support connection control. */
|
||||||
/* to request a connection is set up */
|
/* to request a connection be set up */
|
||||||
int (*connect_req)(struct concap_proto *);
|
int (*connect_req)(struct concap_proto *);
|
||||||
|
|
||||||
/* to request a connection is released */
|
/* to request a connection be released */
|
||||||
int (*disconn_req)(struct concap_proto *);
|
int (*disconn_req)(struct concap_proto *);
|
||||||
};
|
};
|
||||||
|
|
||||||
|
@ -172,7 +172,7 @@ because the encapsulation protocol directly calls netif_rx().
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
An encapsulation protocol itsself is actually the
|
An encapsulation protocol itself is actually the
|
||||||
struct concap_proto{
|
struct concap_proto{
|
||||||
struct device *net_dev; /* net device using our service */
|
struct device *net_dev; /* net device using our service */
|
||||||
struct concap_device_ops *dops; /* callbacks provided by device */
|
struct concap_device_ops *dops; /* callbacks provided by device */
|
||||||
|
@ -189,7 +189,7 @@ struct concap_proto{
|
||||||
|
|
||||||
Most of this is filled in when the device requests the protocol to
|
Most of this is filled in when the device requests the protocol to
|
||||||
be reset (opend). The network interface must provide the net_dev and
|
be reset (opend). The network interface must provide the net_dev and
|
||||||
dops pointers. Other concap_proto members should be considerd private
|
dops pointers. Other concap_proto members should be considered private
|
||||||
data that are only accessed by the pops callback functions. Likewise,
|
data that are only accessed by the pops callback functions. Likewise,
|
||||||
a concap proto should access the network device's private data
|
a concap proto should access the network device's private data
|
||||||
only by means of the callbacks referred to by the dops pointer.
|
only by means of the callbacks referred to by the dops pointer.
|
||||||
|
@ -217,21 +217,21 @@ The concept of the concap proto might help to reuse protocol code and
|
||||||
reduce the complexity of certain network interface implementations.
|
reduce the complexity of certain network interface implementations.
|
||||||
The trade off is that it introduces yet another procedure call layer
|
The trade off is that it introduces yet another procedure call layer
|
||||||
when processing the protocol. This has of course some impact on
|
when processing the protocol. This has of course some impact on
|
||||||
performace. However, typically the concap interface will be used by
|
performance. However, typically the concap interface will be used by
|
||||||
devices attached to slow lines (like telephone, isdn, leased synchronous
|
devices attached to slow lines (like telephone, isdn, leased synchronous
|
||||||
lines). For such slow lines, the overhead is probably neglectable.
|
lines). For such slow lines, the overhead is probably negligible.
|
||||||
This might no longer hold for certain high speed WAN links (like
|
This might no longer hold for certain high speed WAN links (like
|
||||||
ATM).
|
ATM).
|
||||||
|
|
||||||
|
|
||||||
If general linux network interfaces explicitly supported concap
|
If general linux network interfaces explicitly supported concap
|
||||||
protocols (i.e. by a member struct concap_proto* in struct device)
|
protocols (e.g. by a member struct concap_proto* in struct device)
|
||||||
then the interface of the service function could be changed
|
then the interface of the service function could be changed
|
||||||
by passing a pointer of type (struct device*) instead of
|
by passing a pointer of type (struct device*) instead of
|
||||||
type (struct concap_proto*). Doing so would make many of the service
|
type (struct concap_proto*). Doing so would make many of the service
|
||||||
functions compatible to network device support fuctions. i.e.
|
functions compatible to network device support fuctions.
|
||||||
|
|
||||||
i.e. instead of the concap protocol's service function
|
e.g. instead of the concap protocol's service function
|
||||||
|
|
||||||
int (*encap_and_xmit)(struct concap_proto *cprot, struct sk_buff *skb);
|
int (*encap_and_xmit)(struct concap_proto *cprot, struct sk_buff *skb);
|
||||||
|
|
||||||
|
@ -252,7 +252,7 @@ The device's data request function could also be defined as
|
||||||
This might even allow for some protocol stacking. And the network
|
This might even allow for some protocol stacking. And the network
|
||||||
interface might even register the same data_req() function directly
|
interface might even register the same data_req() function directly
|
||||||
as its hard_start_xmit() method when a zero layer encapsulation
|
as its hard_start_xmit() method when a zero layer encapsulation
|
||||||
protocol is configured. Thus, eliminating the performace penalty
|
protocol is configured. Thus, eliminating the performance penalty
|
||||||
of the concap interface when a trivial concap protocol is used.
|
of the concap interface when a trivial concap protocol is used.
|
||||||
Nevertheless, the device remains able to support encapsulation
|
Nevertheless, the device remains able to support encapsulation
|
||||||
protocol configuration.
|
protocol configuration.
|
||||||
|
|
|
@ -62,8 +62,8 @@ Setting up the IO-address dipswitches for the ICN-ISDN-card:
|
||||||
1 1 1 0 0x368
|
1 1 1 0 0x368
|
||||||
1 1 1 1 NOT ALLOWED!
|
1 1 1 1 NOT ALLOWED!
|
||||||
|
|
||||||
The ICN driver either may be build into kernel or as a module. Initialization
|
The ICN driver may be built into the kernel or as a module. Initialization
|
||||||
depends on how the drive is built:
|
depends on how the driver is built:
|
||||||
|
|
||||||
Driver built into the kernel:
|
Driver built into the kernel:
|
||||||
|
|
||||||
|
@ -102,7 +102,7 @@ Driver built as module:
|
||||||
|
|
||||||
portbase=p membase=m icn_id=idstring [icn_id2=idstring2]
|
portbase=p membase=m icn_id=idstring [icn_id2=idstring2]
|
||||||
|
|
||||||
where p, m, idstring1 and idstring2 have the same meanings like
|
where p, m, idstring1 and idstring2 have the same meanings as the
|
||||||
parameters described for the kernel-version above.
|
parameters described for the kernel-version above.
|
||||||
|
|
||||||
When using the ICN double card (4B), you MUST define TWO idstrings.
|
When using the ICN double card (4B), you MUST define TWO idstrings.
|
||||||
|
@ -127,12 +127,12 @@ Loading the firmware into the card:
|
||||||
pc_1t_ca.bin - Image of firmware for german 1TR6 protocol.
|
pc_1t_ca.bin - Image of firmware for german 1TR6 protocol.
|
||||||
pc_eu_ca.bin - Image if firmware for EDSS1 (Euro-ISDN) protocol.
|
pc_eu_ca.bin - Image if firmware for EDSS1 (Euro-ISDN) protocol.
|
||||||
|
|
||||||
Assumed you have installed the utility-package correctly, the firmware
|
Assuming you have installed the utility-package correctly, the firmware
|
||||||
will be downloaded into the 2B-card using the following command:
|
will be downloaded into the 2B-card using the following command:
|
||||||
|
|
||||||
icnctrl -d Idstring load /etc/isdn/loadpg.bin /etc/isdn/pc_XX_ca.bin
|
icnctrl -d Idstring load /etc/isdn/loadpg.bin /etc/isdn/pc_XX_ca.bin
|
||||||
|
|
||||||
where XX is either "1t" or "eu", depending of the D-Channel protocol
|
where XX is either "1t" or "eu", depending on the D-Channel protocol
|
||||||
used on your S0-bus and Idstring is the Name of the card, given during
|
used on your S0-bus and Idstring is the Name of the card, given during
|
||||||
insmod-time or (for kernel-builtin driver) on the kernel commandline.
|
insmod-time or (for kernel-builtin driver) on the kernel commandline.
|
||||||
|
|
||||||
|
|
|
@ -16,20 +16,20 @@ ftp://ftp.di.fc.ul.pt/pub/systems/Linux/isdn
|
||||||
|
|
||||||
Known Limitations:
|
Known Limitations:
|
||||||
|
|
||||||
- The board reset proceeding is at the moment incorrect and will only
|
- The board reset procedure is at the moment incorrect and will only
|
||||||
allow you to load the firmware after a hard reset.
|
allow you to load the firmware after a hard reset.
|
||||||
|
|
||||||
- Only HDLC in B-channels is supported at the moment. There is now
|
- Only HDLC in B-channels is supported at the moment. There is no
|
||||||
current support to X.25 in B or D channels nor LAPD in B
|
current support for X.25 in B or D channels nor LAPD in B
|
||||||
channels. The main reason is that this two other protocol modes have,
|
channels. The main reason is that these two other protocol modes have,
|
||||||
to my knowledge, very little use. If you want to see them implemented
|
to my knowledge, very little use. If you want to see them implemented
|
||||||
*do* send me a mail.
|
*do* send me a mail.
|
||||||
|
|
||||||
- The driver often triggers errors in the board that i and the
|
- The driver often triggers errors in the board that I and the
|
||||||
manufacturer believe to be caused by bugs in the firmware. The current
|
manufacturer believe to be caused by bugs in the firmware. The current
|
||||||
version includes several proceedings for error recovery that should
|
version includes several procedures for error recovery that should
|
||||||
allow normal operation. Plans for the future include cooperation with
|
allow normal operation. Plans for the future include cooperation with
|
||||||
the manufacturer in order to solve this problems.
|
the manufacturer in order to solve this problem.
|
||||||
|
|
||||||
Information/hints/help can be obtained in the linux isdn
|
Information/hints/help can be obtained in the linux isdn
|
||||||
mailing list (isdn4linux@hub-wue.franken.de) or directly from me.
|
mailing list (isdn4linux@hub-wue.franken.de) or directly from me.
|
||||||
|
|
|
@ -1,18 +1,18 @@
|
||||||
|
|
||||||
X25 support within isdn4linux
|
X.25 support within isdn4linux
|
||||||
=============================
|
==============================
|
||||||
|
|
||||||
This is experimental code. Use it completely on your own risk.
|
This is experimental code. Use it completely at your own risk.
|
||||||
As new versions appear, the stuff described here might suddenly change
|
As new versions appear, the stuff described here might suddenly change
|
||||||
or become invalid without notice.
|
or become invalid without notice.
|
||||||
|
|
||||||
Keep in mind:
|
Keep in mind:
|
||||||
|
|
||||||
You are using an experimental kernel (2.1.x series) with an experimental
|
You are using an experimental kernel (2.1.x series) with an experimental
|
||||||
x25 protocol implementation and experimental x25-on-top-of-isdn extensions.
|
X.25 protocol implementation and experimental X.25-on-top-of-isdn extensions.
|
||||||
Thus, be prepared to face problems related therefrom.
|
Thus, be prepared to face problems related therefrom.
|
||||||
|
|
||||||
- If you connect to an x25 neighbour not operated by yourself, ASK the
|
- If you connect to an X.25 neighbour not operated by yourself, ASK the
|
||||||
other side first. Be prepared that bugs in the protocol implementation
|
other side first. Be prepared that bugs in the protocol implementation
|
||||||
might result in problems.
|
might result in problems.
|
||||||
|
|
||||||
|
@ -48,7 +48,7 @@ you also need to enable "Packet socket".
|
||||||
For local testing it is also recommended to enable the isdnloop driver
|
For local testing it is also recommended to enable the isdnloop driver
|
||||||
from the isdn subsystem's configuration menu.
|
from the isdn subsystem's configuration menu.
|
||||||
|
|
||||||
For testing, it is recommended that all isdn drivers and the x25 PLP
|
For testing, it is recommended that all isdn drivers and the X.25 PLP
|
||||||
protocol are compiled as loadable modules. Like this, you can recover
|
protocol are compiled as loadable modules. Like this, you can recover
|
||||||
from certain errors by simply unloading and reloading the modules.
|
from certain errors by simply unloading and reloading the modules.
|
||||||
|
|
||||||
|
@ -57,7 +57,7 @@ from certain errors by simply unloading and reloading the modules.
|
||||||
What's it for? How to use it?
|
What's it for? How to use it?
|
||||||
=============================
|
=============================
|
||||||
|
|
||||||
X25 on top of isdn might be useful with two different scenarios:
|
X.25 on top of isdn might be useful with two different scenarios:
|
||||||
|
|
||||||
- You might want to access a public X.25 data network from your Linux box.
|
- You might want to access a public X.25 data network from your Linux box.
|
||||||
You can use i4l if you were physically connected to the X.25 switch
|
You can use i4l if you were physically connected to the X.25 switch
|
||||||
|
@ -71,7 +71,7 @@ X25 on top of isdn might be useful with two different scenarios:
|
||||||
same as ITU-T X.25.
|
same as ITU-T X.25.
|
||||||
|
|
||||||
Popular candidates of such teleservices are EUROfile transfer or any
|
Popular candidates of such teleservices are EUROfile transfer or any
|
||||||
teleservice applying ITU-T recommendation T.90 (i.e., AFAIK, G4 Fax).
|
teleservice applying ITU-T recommendation T.90.
|
||||||
|
|
||||||
To use the X.25 protocol on top of isdn, just create an isdn network
|
To use the X.25 protocol on top of isdn, just create an isdn network
|
||||||
interface as usual, configure your own and/or peer's ISDN numbers,
|
interface as usual, configure your own and/or peer's ISDN numbers,
|
||||||
|
@ -79,23 +79,23 @@ and choose x25iface encapsulation by
|
||||||
|
|
||||||
isdnctrl encap <iface-name> x25iface.
|
isdnctrl encap <iface-name> x25iface.
|
||||||
|
|
||||||
Once encap is set like this, the device can be used by the x25 packet layer.
|
Once encap is set like this, the device can be used by the X.25 packet layer.
|
||||||
|
|
||||||
All the stuff needed for x25 is implemented inside the isdn link
|
All the stuff needed for X.25 is implemented inside the isdn link
|
||||||
level (mainly isdn_net.c and some new source files). Thus, it should
|
level (mainly isdn_net.c and some new source files). Thus, it should
|
||||||
work with every existing HL driver. I was able to successfully open x25
|
work with every existing HL driver. I was able to successfully open X.25
|
||||||
connections on top of the isdnloop driver and the hisax driver.
|
connections on top of the isdnloop driver and the hisax driver.
|
||||||
"x25iface"-encapsulation bypasses demand dialing. Dialing will be
|
"x25iface"-encapsulation bypasses demand dialing. Dialing will be
|
||||||
initiated when the upper (x25 packet) layer requests the lapb datalink to
|
initiated when the upper (X.25 packet) layer requests the lapb datalink to
|
||||||
be established. But hangup timeout is still active. The connection
|
be established. But hangup timeout is still active. The connection
|
||||||
will not automatically be re-established by the isdn_net module
|
will not automatically be re-established by the isdn_net module
|
||||||
itself when new data arrives after the hangup timeout. But
|
itself when new data arrives after the hangup timeout. But
|
||||||
the x25 network code will re-establish the datalink connection
|
the X.25 network code will re-establish the datalink connection
|
||||||
(resulting in re-dialing and an x25 protocol reset) when new data is
|
(resulting in re-dialing and an X.25 protocol reset) when new data is
|
||||||
to be transmitted. (This currently does not work properly with the
|
to be transmitted. (This currently does not work properly with the
|
||||||
isdnloop driver, see "known problems" below). It is recommended to
|
isdnloop driver, see "known problems" below). It is recommended to
|
||||||
use large hangup-timeouts as most application probably can't deal
|
use sufficiently large hangup-timeouts as most application probably
|
||||||
with such N-reset events.
|
can't deal with such N-reset events.
|
||||||
|
|
||||||
|
|
||||||
In order to set up a conforming protocol stack you also need to
|
In order to set up a conforming protocol stack you also need to
|
||||||
|
@ -118,7 +118,7 @@ level driver. The main difference between x75 and x25dte/dce is that
|
||||||
x25d[tc]e uses fixed lap_b addresses. With x75i, the side which
|
x25d[tc]e uses fixed lap_b addresses. With x75i, the side which
|
||||||
initiates the isdn connection uses the DTE's lap_b address while the
|
initiates the isdn connection uses the DTE's lap_b address while the
|
||||||
called side used the DCE's lap_b address. Thus, l2_prot x75i might
|
called side used the DCE's lap_b address. Thus, l2_prot x75i might
|
||||||
probably work if you access a public x25 network as long as the
|
probably work if you access a public X.25 network as long as the
|
||||||
corresponding isdn connection is set up by you. However, I've never
|
corresponding isdn connection is set up by you. However, I've never
|
||||||
tested this.
|
tested this.
|
||||||
|
|
||||||
|
@ -127,10 +127,10 @@ tested this.
|
||||||
How to set up a test installation?
|
How to set up a test installation?
|
||||||
==================================
|
==================================
|
||||||
|
|
||||||
To test x25 on top of isdn, you need to get
|
To test X.25 on top of isdn, you need to get
|
||||||
|
|
||||||
- a recent version of the "isdnctrl" program that supports setting the new
|
- a recent version of the "isdnctrl" program that supports setting the new
|
||||||
x25 specific parameters.
|
X.25 specific parameters.
|
||||||
|
|
||||||
- the x25-utils-2.1.x package from ftp.pspt.fi/pub/ham/linux/ax25
|
- the x25-utils-2.1.x package from ftp.pspt.fi/pub/ham/linux/ax25
|
||||||
or any mirror site (i.e. ftp://ftp.gwdg.de/pub/linux/misc/ax25/).
|
or any mirror site (i.e. ftp://ftp.gwdg.de/pub/linux/misc/ax25/).
|
||||||
|
@ -150,17 +150,17 @@ the usual ifconfig tool.
|
||||||
ifconfig <iface-name> up
|
ifconfig <iface-name> up
|
||||||
|
|
||||||
But a special x25route tool (distributed with the x25-util package)
|
But a special x25route tool (distributed with the x25-util package)
|
||||||
is needed to set up x25 routes. I.e.
|
is needed to set up X.25 routes. I.e.
|
||||||
|
|
||||||
x25route add 01 <iface-name>
|
x25route add 01 <iface-name>
|
||||||
|
|
||||||
will cause all x.25 connections to the destination x.25-address
|
will cause all x.25 connections to the destination x.25-address
|
||||||
"01" being routed to your created isdn network interface.
|
"01" to be routed to your created isdn network interface.
|
||||||
|
|
||||||
|
|
||||||
There are currently no real x25 applications available. However, for
|
There are currently no real X.25 applications available. However, for
|
||||||
tests, the x25-utils package contains a modified version of telnet
|
tests, the x25-utils package contains a modified version of telnet
|
||||||
and telnetd that uses x25 sockets instead of tcp/ip sockets. You can
|
and telnetd that uses X.25 sockets instead of tcp/ip sockets. You can
|
||||||
use those for your first tests. Furthermore, you might check
|
use those for your first tests. Furthermore, you might check
|
||||||
ftp://ftp.hamburg.pop.de/pub/LOCAL/linux/i4l-eft/ which contains some
|
ftp://ftp.hamburg.pop.de/pub/LOCAL/linux/i4l-eft/ which contains some
|
||||||
experimental implementation ("eftp4linux") of the EUROfile transfer
|
experimental implementation ("eftp4linux") of the EUROfile transfer
|
||||||
|
@ -174,7 +174,7 @@ hints to work around some of them.
|
||||||
|
|
||||||
|
|
||||||
The x25-utility package also contains an x25trace tool that can be
|
The x25-utility package also contains an x25trace tool that can be
|
||||||
used to monitor x25 packets received by the network interfaces.
|
used to monitor X.25 packets received by the network interfaces.
|
||||||
The /proc/net/x25* files also contain useful information.
|
The /proc/net/x25* files also contain useful information.
|
||||||
|
|
||||||
- Henner
|
- Henner
|
||||||
|
|
|
@ -1,8 +1,8 @@
|
||||||
simple isdn4linux PPP FAQ .. to be continued .. not 'debugged'
|
simple isdn4linux PPP FAQ .. to be continued .. not 'debugged'
|
||||||
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
||||||
|
|
||||||
Q01: what's pppd,ipppd, syncPPP , asyncPPP ??
|
Q01: what's pppd, ipppd, syncPPP, asyncPPP ??
|
||||||
Q02: error message "this systems lacks PPP support"
|
Q02: error message "this system lacks PPP support"
|
||||||
Q03: strange information using 'ifconfig'
|
Q03: strange information using 'ifconfig'
|
||||||
Q04: MPPP?? What's that and how can I use it ...
|
Q04: MPPP?? What's that and how can I use it ...
|
||||||
Q05: I tried MPPP but it doesn't work
|
Q05: I tried MPPP but it doesn't work
|
||||||
|
@ -16,7 +16,7 @@ Q12: How can I reduce login delay?
|
||||||
|
|
||||||
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
||||||
|
|
||||||
Q01: pppd,ipppd, syncPPP , asyncPPP .. what is that ?
|
Q01: pppd, ipppd, syncPPP, asyncPPP .. what is that ?
|
||||||
what should I use?
|
what should I use?
|
||||||
A: The pppd is for asynchronous PPP .. asynchronous means
|
A: The pppd is for asynchronous PPP .. asynchronous means
|
||||||
here, the framing is character based. (e.g when
|
here, the framing is character based. (e.g when
|
||||||
|
@ -45,7 +45,7 @@ A: The pppd is for asynchronous PPP .. asynchronous means
|
||||||
--
|
--
|
||||||
|
|
||||||
Q02: when I start the ipppd .. I only get the
|
Q02: when I start the ipppd .. I only get the
|
||||||
error message "this systems lacks PPP support"
|
error message "this system lacks PPP support"
|
||||||
A: check that at least the device 'ippp0' exists.
|
A: check that at least the device 'ippp0' exists.
|
||||||
(you can check this e.g with the program 'ifconfig')
|
(you can check this e.g with the program 'ifconfig')
|
||||||
The ipppd NEEDS this device under THIS name ..
|
The ipppd NEEDS this device under THIS name ..
|
||||||
|
@ -123,7 +123,7 @@ A: (from Alexanter Strauss: )
|
||||||
|
|
||||||
--
|
--
|
||||||
|
|
||||||
Q08: A wanna talk to remote machines, which need
|
Q08: I wanna talk to remote machines, which need
|
||||||
a different configuration. The only way
|
a different configuration. The only way
|
||||||
I found to do this is to kill the ipppd and
|
I found to do this is to kill the ipppd and
|
||||||
start a new one with another config to connect
|
start a new one with another config to connect
|
||||||
|
@ -152,14 +152,14 @@ A: When starting, the ipppd calls functions which may
|
||||||
Q10: I wanna use dynamic IP address assignment ... How
|
Q10: I wanna use dynamic IP address assignment ... How
|
||||||
must I configure the network device.
|
must I configure the network device.
|
||||||
|
|
||||||
A: At least you must have a routing, which forwards
|
A: At least you must have a route which forwards
|
||||||
a packet to the ippp network-interface to trigger
|
a packet to the ippp network-interface to trigger
|
||||||
the dial-on-demand.
|
the dial-on-demand.
|
||||||
A default routing to the ippp-interface will work.
|
A default route to the ippp-interface will work.
|
||||||
Now you must choose a dummy IP address for your
|
Now you must choose a dummy IP address for your
|
||||||
interface.
|
interface.
|
||||||
If for some reason you can't set the default
|
If for some reason you can't set the default
|
||||||
routing to the ippp interface, you may take any
|
route to the ippp interface, you may take any
|
||||||
address of the subnet from which you expect your
|
address of the subnet from which you expect your
|
||||||
dynamic IP number and set a 'network route' for
|
dynamic IP number and set a 'network route' for
|
||||||
this subnet to the ippp interface.
|
this subnet to the ippp interface.
|
||||||
|
|
Loading…
Reference in New Issue