Begin icmp6 in controller -> pass special info
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Nico Schottelius
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5 changed files with 81 additions and 22 deletions
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doc/plan.org
53
doc/plan.org
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@ -7,6 +7,8 @@
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| | Write mail / phone | x |
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| 2019-02-22 | Have all papers handed in | |
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| 2019-02-22 | Have rough definition of tasks | x |
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| 2019-02-23 | python2 / ipaddress is buggy | x |
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| | p4utils is python2 only support | |
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| | bmpy_utils is not installable with pip | |
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@ -29,24 +31,42 @@
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| | * Reading about multicast / trying to figure out dynamic membership | |
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| | | |
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| | - Challenges | |
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| | * Some issues with python2 (ipaddr) - slowing down | |
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| | * Some issues with python2 (ipaddr) - slowing down | x |
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| | https://github.com/phihag/ipaddress/issues/46 | |
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| | * Forwarded and received icmp6 packets are not "accepted" | |
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| | - Questions | |
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| | * Re-using code (lee howard) | |
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| | * Multicast | |
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| | * A lot of redundant code / different tables / repeating | |
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| | * Multicast: in controller | x |
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| | * Re-using code (lee howard) -> ok & mention | x |
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| | * A lot of redundant code / different tables / repeating: use if's | x |
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| | * 65k parsing is insane | x |
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| | | |
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| | - Next steps: | |
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| | * Supporting MLD | |
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| | * Save stuff in the controller | |
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| | * checkout ipaddr bug / status | |
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| | * Variable length / icmp6 in the controller | |
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| | * Go simple... | |
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| | * Meeting Edgar & Alexander week after | |
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| | * Summary on Slack | |
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| | * 1130 meeting now | |
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| 2019-03-01 | Feature list / priority list / roadmap clear | x |
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| | Joining P4 Slack | |
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| 2019-03-03 | icmp6 revised: | |
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| | - add address to table for forwarding to controller | x |
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| | - select correct format for forwarding | |
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| | - decode in controller | |
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| | - send back to switch | |
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| | - test with host | |
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| 2019-02-22 | Have rough definition of tasks | |
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| 2019-03-01 | Feature list / priority list / roadmap clear | |
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| 2019-03-08 | NAT46 1:1 table TCP/UDP working | |
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| 2019-03-15 | NAT46 1:1 table ICMP, ICMPv6 working | |
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| 2019-03-08 | NAT46 1:1 table ICMP, ICMPv6 working | |
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| | Will need some switch local ip addresses | |
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| 2019-03-15 | NAT46 1:1 table TCP/UDP working | |
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| 2019-03-29 | Jool SIIT / range / offset support https://www.jool.mx/en/run-vanilla.html | |
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| | Jool EAMT support https://www.jool.mx/en/run-eam.html | |
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| | Bidirectional support | |
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@ -86,12 +106,14 @@
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**** DONE Parse icmp
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**** DONE Parse icmpv6
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**** DONE Add (static) egress configuration
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**** DONE Calculate ICMP6 checksums
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**** TODO Calculate ICMP6 checksums
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***** Need to include the payload!?!!
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**** TODO Implement minimal neighbor discovery
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***** TODO For the switch
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****** DONE Register IPv6 address in table
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****** TODO Parse ICMPv6 up to neighbor solicitation
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****** TODO Use NDP (Neighbor Solicitation (NDP) , Neighbor Advertisement (NDP))
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****** DONE Parse ICMPv6 up to neighbor solicitation -> no: checksum problem
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****** DONE Use NDP (Neighbor Solicitation (NDP) , Neighbor Advertisement (NDP)) -> no: controller
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****** Approach 2: use cpu header, forward information to controller
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***** TODO For other nodes -> multicast
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***** TODO Maybe implement link local addresses (missing at the moment)
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****** ff02::/??
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@ -397,21 +419,18 @@ listening on h1-eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
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4 packets received by filter
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0 packets dropped by kernel
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root@ubuntu:~/master-thesis#
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***** When pinging we see
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DEBUG:main:INCOMING: <Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=2001:db8:61::1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0xd343 res=0 tgt=2001:db8:61::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>>
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DEBUG:main:INCOMING: <Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=2001:db8:61::1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0xd343 res=0 tgt=2001:db8:61::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>>
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DEBUG:main:INCOMING: <Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=2001:db8:61::1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0xd343 res=0 tgt=2001:db8:61::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>>
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***** Hosts
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****** Left side: IPv6
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****** Right side: IPv4
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***** Included in the header
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**** Requirements
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-
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*** Performance comparison
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*** Feature/Functionality difference / overview
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**** Not included
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