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soc:2011:pcmattman:journal:week2 [2011/05/31 07:11]
pcmattman week 2 day 2 journal entries
soc:2011:pcmattman:journal:week2 [2011/06/02 06:37]
pcmattman typo - ; instead of : in http://
Line 54: Line 54:
  
 Once NDP solicits are working I'll get the relevant commits out there with a request for comments, as they change some of the fundamental prototypes in the network stack. It'll be easier to see the purpose of the changes when the changes are actually being used. Once NDP solicits are working I'll get the relevant commits out there with a request for comments, as they change some of the fundamental prototypes in the network stack. It'll be easier to see the purpose of the changes when the changes are actually being used.
 +
 +==== Day 3 (June 1) ====
 +
 +Worked on getting NDP implemented today. I managed to get responding to NDP solicit messages working, which showed that the previously reimplemented IPv6 routing code has not caused a regression.
 +
 +As part of the test I pinged a gPXE host after it had autoconfigured an address for itself:
 +<​code>​
 +64 bytes from 2001:​44b8:​7222:​a50::​f:​ icmp_seq=5 ttl=255 time=15.4 ms
 +</​code>​
 +It's nice to see gPXE talking to the network via IPv6 now :).
 +
 +The next step is to get a kernel booted via HTTP over IPv6, and then I can start working on router advertisements and configuring station addresses based on the prefix announcements (at the moment the 2001:​44b8:​7222:​a50::/​64 prefix is hardcoded for testing, but the link local address used for NDP is autoconfigured).
 +
 +[[http://​git.etherboot.org/​people/​pcmattman/​gpxe.git/​commit/​96acdca13776eb7be1525984b2609111ff6dea02|Commit containing today'​s work.]] (96acdca13776eb7be1525984b2609111ff6dea02)
 +
 +Update: HTTP booting [[https://​picasaweb.google.com/​pcmattman/​GoogleSummerOfCode2011?​authkey=Gv1sRgCImD_Zf4zsaUsgE#​5613236860456772754|is]] [[https://​picasaweb.google.com/​pcmattman/​GoogleSummerOfCode2011?​authkey=Gv1sRgCImD_Zf4zsaUsgE#​5613236847427503426|working]]!!! Success!
 +
 +[[http://​git.etherboot.org/​people/​pcmattman/​gpxe.git/​commit/​fe7ef6e404ca2597c915e7a1937154ff7afddc22|Commit containing fixes]] that were needed for HTTP booting on my network. (fe7ef6e404ca2597c915e7a1937154ff7afddc22)
 +
 +==== Day 4 (June 2) ====
 +
 +Did some more work on HTTP booting today.
 +
 +[[http://​git.etherboot.org/​people/​pcmattman/​gpxe.git/​commit/​6df968c5cfbb70c1ae1ee00c67ff07b5433c1f7d|First thing that I fixed up]] was address autoconfiguration,​ which now uses router advertisements to obtain a prefix to use. This allows the gPXE host to get a globally routable address without asking for it (although I will add router solicits shortly).
 +
 +[[http://​git.etherboot.org/​people/​pcmattman/​gpxe.git/​commit/​471457a331a9cae56dd103a0cdd85cdcdf9402d7|After this, I implemented AAAA records into DNS]] and set up a VPS I'm renting to use a Hurricane Electric tunnel for IPv6. [[http://​ipv6.theiselins.net/​gpxe/​ipv6.gpxe|It'​s all set up with DNS]], too (IPv6 required for link).
 +
 +The most important change this evening however was to [[http://​git.etherboot.org/​people/​pcmattman/​gpxe.git/​commit/​c7883b820acfd07f5dd893015f6179e38a93fcc8|fix the IPv6 routing]] to work on both the local network as well as the Internet. This made it possible to boot a kernel from my IPv6 test server, which worked extremely well.
 +
 +Things are progressing nicely now, and I'm maintaining the pace I outlined in my project plan. It doesn'​t look like I'll miss the deadline on this week's milestones.
 +
 +Next up this week is Router Solicit messages and finishing off ICMPv6.

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