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The 82573L has several dozen statistical counters which ... UPE = Unicast Promiscuous Enable BAM = Broadcast Accept Mode BSEX = Buffer Size Extension ...
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We wrote this module as an aid for doing debugging' of our device-driver routines ... CT = Collision Threshold (=0xF) UNORTX = Underrun No Re-Transmit ...
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... an excellent job of providing information to help customers use their ... hardware, writing the program code, and watching what happens when the code executes. ...
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... our NIC's ability to avoid overwhelming the capacities of its link partner' ... SLU = Set Link Up D/UD = Dock/Undock status RFCE = Rx Flow-Control Enable ...
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Interrupt-hander reflects' each received packet back to the station it came from ... Then let's transmit a broadcast' packet from a different anchor station, while ...
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If two computers transmit at the same time a collision occurs. ... The delay caused by collisions and retransmitting is minimal and does not ...
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It was based on the raw sockets' protocol implemented within the Linux kernel's ... SLU = Set Link Up D/UD = Dock/Undock status RFCE = Rx Flow-Control Enable ...
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D. R =0. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 ... SLU = Set Link Up D/UD = Dock/Undock status RFCE = Rx Flow-Control Enable ...
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Real-Time Clock's i/o-ports: 0x70-0x71. Hard Disk controller's i/o-ports: 0x01F0-01F7 ... Access to memory is atomic', whereas the multiplexed access via I/O ...
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Our device-driver module nic.c' is intended to allow two programs that are ... We can view the NIC's internal memory using our 82573.c' character driver and ...
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Four buffers are allocated for receiving one packet. Refresh for reuse' ... So driver needs a formula for recalculating buffer-addresses, or use a shadow' array ...
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Detecting PCI devices On identifying the peripheral equipment installed in our PC Early PCs Peripheral devices in the early PCs used fixed i/o-ports and fixed memory ...
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What is a packet checksum? Here we investigate the NIC s capabilities for computing and detecting errors using checksums Gigabit Ethernet frame-format Some lowest ...
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Step two: Read the designated data from the Configuration-Space Data-Port: ... step 6: Subtract start-time from finish-time. In-class exercise ...
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But it does require adding an extra driver method' the so-called poll()' function ... Then each device-driver's poll()' method will perform a test to ...
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There exist quite a few similarities between implementing the transmit ... 17: ACK (Rx-ACK Frame detected) 16: SRPD (Small Rx-Packet detected) ...
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... was jointly written by David S. Miller (see photo below) and Jeff Garzik ... Intel's filter-register at offset 0x5400 uses the little endian' storage-convention ...
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... Sequence is a four-byte integer, usually computed by the hardware according ... And why did Intel's hardware designers believe that device-driver software would ...
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Problem 4. A program might call our driver's write()' procedure more rapidly than the ... Interrupt Service Routine has the duty of awakening' a sleeping writer when ...
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