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This is a Linux ATM driver for the FORE Systems ForeRunnerHE adapters.
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It supports both the 155 and 622 flavors of the card. The driver was
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primarily developed on a powerpc (604e@200MHz) but it has been ported
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and tested on an i386 (2 i686@800Mhz).
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This is the sixth public release of the driver. Its mainly to provide
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interrupt sharing fixes and updates for the latest 2.4 kernels.
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. hardware traffic shaping
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. uses new pci loadable module scheme
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. 64bit PCI bus operation tested
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Feedback (including fixes or suggestions) is welcome.
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Contact chas@cmf.nrl.navy.mil.
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This driver has been an informal project for Eric Kinzie,
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ekinzie@cmf.nrl.navy.mil, and I. It represents most of our spare time
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during the month of March, 2000. It started last November when we wanted a
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cheap oc-12c capable router. I wrote the skeleton in about a week but had
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to put it aside until recently. Most of the brain damage in the driver
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can be attributed directly to me and my lack of understanding regarding
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linux internals. Eric has the i386 with the 622 board (and a slightly
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out of date linux device driver book).
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copy atm_he.h to /usr/src/linux/include/linux:
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% cp atm_he.h /usr/src/linux/include/linux
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copy he.c and he.h to /usr/src/linux/drivers/atm:
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% cp he.c he.h /usr/src/linux/drivers/atm
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% cd /usr/src/inux/drivers/atm
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% patch < he.patch-2.2
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% patch < he.patch-2.4
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reconfigure your kernel and select the 'FORE HE' driver in the Network
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Device/ATM Adapters menu and rebuild your kernel:
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% make menuconfig (enable the HE card in the Networking/ATM menu)
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% make (or 'make modules' if you building as a module)
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boot your new kernel or insmod the driver.
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hediag.c is a utility to dump the various registers on the adapter.
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Its handy for debugging the driver.
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. aal0 receive only (atmdump works though)
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. the driver seems to use a fair amount of memory. this can be a problem
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for smaller memory (<64M) machines. there should possibly be a small