X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=README.linux;h=5a20711dcb268de8d81a12ff312ef40c7625521f;hp=c43c3e7e0776b658d48ba4c6f563da4bc69c6492;hb=32093f70f0c77ab214e743e8279c0f2ee2a9afc3;hpb=b194902e6d9141e12a22603eac3ed4a7660c8643 diff --git a/README.linux b/README.linux index c43c3e7..5a20711 100644 --- a/README.linux +++ b/README.linux @@ -1,12 +1,11 @@ -PPP for Linux Version 2.3.6 +PPP for Linux Version 2.4.0 ============= based on - ppp-2.3.6 - February 1999 + ppp-2.4.0 + April 2000 -Michael Callahan callahan@maths.ox.ac.uk -Al Longyear longyear@netcom.com Paul Mackerras Paul.Mackerras@cs.anu.edu.au -Nick Walker nickwalker@email.com +Al Longyear longyear@netcom.com +Michael Callahan callahan@maths.ox.ac.uk Contents: INTRODUCTION @@ -84,15 +83,56 @@ Paul Mackerras rewrote and restructured the code for improved performance and to make a cleaner separation between the network-interface and async TTY parts of the ppp driver. +Nick Walker added the code to pppd to query the peer for DNS server +addresses. + + +USING THE NEW PPP KERNEL DRIVER + +As of kernel version 2.3.13, the development series of kernels contain +a new kernel PPP driver, rewritten from scratch by Paul Mackerras. +This package supports the new driver, although it doesn't include the +source for the new driver. + +The new driver is divided into two files: ppp_generic.c and +ppp_async.c. If you compile PPP as a module, you will get two +separate modules, called ppp_generic and ppp_async. +Another module ppp_synctty is used for synchronous tty devices +such as high-speed WAN adapters for leased T1/E1 lines. + +To talk to the new driver, pppd needs to be able to open /dev/ppp, +character device (108,0). If you are using devfs, the device +filesystem, the /dev/ppp node will automagically appear when the +ppp_generic module is loaded, or at startup if ppp_generic is compiled +in. + +If you have ppp_generic as a module, and you are using devfsd (the +devfs daemon), you will need to add a line like this to your +/etc/devfsd.conf: + +LOOKUP ppp MODLOAD + +Otherwise you will need to create a /dev/ppp device node with the +commands: + +# mknod /dev/ppp c 108 0 +# chmod 600 /dev/ppp + +If you use module autoloading and have PPP as a module, you will need +to add the following to your /etc/modules.conf or /etc/conf.modules: + +/dev/ppp ppp_generic +alias char-major-108 ppp_generic +alias tty-ldisc-3 ppp_async +alias tty-ldisc-14 ppp_synctty -Nick Walker added the code to query the peer for DNS server addresses. INSTALLATION This version of PPP has been tested on various Linux kernel versions -(most recently 2.0.36 and 2.2.1). It will not work on kernels before -2.0.0. If you have an earlier kernel, please upgrade to the latest 2.0 -or 2.2 kernel. +(most recently 2.2.14). It will not work on kernels before 2.2.0. If +you have an earlier kernel, please upgrade to the latest 2.2-series +kernel. joining the PPP channel of linux-activists: @@ -165,22 +205,33 @@ set of symbolic links to the makefiles. They should link 'Makefile' to 2. Update the kernel sources. -If you are using a 2.2.x kernel (or a recent 2.1.x kernel), you do not -need to do this step. If your kernel is already configured for PPP, -then you only need to do steps 5 and 6. Otherwise, continue at step 3. - -If you are using a 2.0.x kernel, you need to update the kernel ppp -driver to the version in this package. You will need a copy of the -kernel source tree to do this. Issue the command: +The 2.2.8 and later kernels contains the same PPP kernel driver as is +in this release. In fact the driver in the kernel sources is slightly +different from the one in this package as it doesn't include the stuff +which enables the driver in this package to compile in either the 2.0 +or 2.2 kernel environment, but the two are functionally equivalent. +If you are using a 2.2.8 or later kernel and your kernel is already +configured for PPP, then you only need to do steps 5 and 6. +Otherwise, continue at step 3. + +If you are using a 2.3 series kernel, use the kernel driver that is in +the kernel sources. For 2.3.13 and later, this is the new driver (see +above). + +If you are using a kernel earlier than 2.2.8, you can either use the +driver in this package or upgrade your kernel to the current 2.2.x +series kernel (2.2.13, as of the release of ppp-2.3.11). If you choose +to use the driver in this package, you will need a copy of the kernel +source tree to compile the driver. Issue the command: make kernel from the top level directory. This will install the various include -files and source files into the proper directory for the linux -kernel. If you don't have the kernel installed in the /usr/src/kernel -directory then it will not work. Instead it will print a message to -the effect that you need to specify the kernel location on the -kinstall command. +files and source files into the proper directories in the linux kernel +source tree. If you don't have the kernel installed in the default +/usr/src/kernel directory then it will not work. Instead it will print +a message to the effect that you need to specify the kernel location +on the kinstall command. The actual message will say: @@ -322,7 +373,7 @@ be loaded. BOTH systems must support the same compression protocols. PROBLEMS WHICH MAY OCCUR WHILE BUILDING THE KERNEL -At this time there should not be a problem with the complication of the +At this time there should not be a problem with the compilation of the drivers.