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soc:2011:meteger:journal:week1 [2011/05/23 07:09]
meteger
soc:2011:meteger:journal:week1 [2011/05/26 12:01]
meteger
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   * Understanding how tg3 probe, open, PHY, etc functions work, read relevant parts of the [[http://​www.broadcom.com/​support/​ethernet_nic/​open_source.php|datasheet]]   * Understanding how tg3 probe, open, PHY, etc functions work, read relevant parts of the [[http://​www.broadcom.com/​support/​ethernet_nic/​open_source.php|datasheet]]
   * Make minor modification to tg3.c, compile and load module to get used to the process of compiling/​testing kernel modules   * Make minor modification to tg3.c, compile and load module to get used to the process of compiling/​testing kernel modules
 +
 +====== Day 2 ( May 24 ) ======
 +
 +  * Todo: Add Journal for Day 2
 +
 +====== Day 3 ( May 25 ) ======
 +
 +  * More datasheet and code reading about descriptor ring handling, receive/​transmit,​ offloading functions
 +  * Completely unexpectedly discovered another tg3 test machine. I have 4 cards to test with now.
 +  * Removed ethtool support functions. ​ Tested on 2 machines. Reduces lines of code by almost 2000 lines. Yay.
 +  * Started removing of checksum-offloading functions. Not yet pushed, as it's unfinished.
 +  * Created new [[http://​git.etherboot.org/​people/​meteger/​mytg3/​.git/​|Driver-only Repository]]. Easier to pull than a full kernel tree.
 +
 +====== Day 4 ( May 26 ) ======
 +
 +  * Removed support for DMA addresses > 4GB
 +  * Removed workarounds needed on some variants for DMA addresses > 4GB
 +  * Removed power management functions
 +  * Started removing dependency on kernel'​s phylib. Luckily I have a card variant that uses the phylib in normal operation.
 +  * Brush up knowledge about memory barriers
 +
  

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