Merge branch 'master' of gitlab.ethz.ch:nicosc/master-thesis
This commit is contained in:
Nico Schottelius
commit
b012a18901
23
doc/plan.org
23
doc/plan.org
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@ -4112,7 +4112,7 @@ Fragmented ICMP/ICMPv6 packets will not be translated by IP/ICMP translators.
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**** TODO Security issue: not checking checksums before
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- Could be implemented
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** Log various
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** TODO Log various
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*** 2019-06-06
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No device seen after loading modules after reboot - netfpga.
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Trying to reprogram
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@ -8028,8 +8028,29 @@ netpfga_dummy.p4(20): warning: >>: shifting value with 8 bits by 11
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netpfga_dummy.p4(20): warning: >>: shifting value with 8 bits by 11
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sume_metadata.dst_port = (bit<8>) hdr.ethernet.ethertype >> 11;
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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*** TODO 2019-07-29: set egress based on v4/v6 header: v7.1
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**** ipv4: no output anywhere (only sent package seen)
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**** ipv6: no output anywhere (only sent package seen)
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**** arp: no output anywhere (only sent package seen)
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**** log
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#+BEGIN_CENTER
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nico@ESPRIMO-P956:~$ sudo tcpdump -lni enp2s0f1
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tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
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listening on enp2s0f1, link-type EN10MB (Ethernet), capture size 262144 bytes
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16:17:23.691885 IP 10.0.0.200 > 10.0.0.1: ICMP echo request, id 16038, seq 1, length 64
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16:17:24.710323 IP 10.0.0.200 > 10.0.0.1: ICMP echo request, id 16038, seq 2, length 64
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16:18:16.198657 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 1, length 64
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16:18:17.222343 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 2, length 64
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16:20:25.296638 IP6 2001:db8:42::42 > ff02::1:ff00:6000: ICMP6, neighbor solicitation, who has 2001:db8:42::6000, length 32
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16:20:26.310284 IP6 2001:db8:42::42 > ff02::1:ff00:6000: ICMP6, neighbor solicitation, who has 2001:db8:42::6000, length 32
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16:20:27.334276 IP6 2001:db8:42::42 > ff02::1:ff00:6000: ICMP6, neighbor solicitation, who has 2001:db8:42::6000, length 32
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16:20:37.660293 ARP, Request who-has 10.0.0.250 tell 10.0.0.200, length 28
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16:20:38.662166 ARP, Request who-has 10.0.0.250 tell 10.0.0.200, length 28
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16:20:39.686165 ARP, Request who-has 10.0.0.250 tell 10.0.0.200, length 28
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#+END_CENTER
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**** 2019-07-29: found bug in PARSER!!!!
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** The NetPFGA saga
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Problems encountered:
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- The logfile for a compile run is 10k+ lines
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@ -0,0 +1,12 @@
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#ifndef PORT_BY_IP_ENDING
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#define PORT_BY_IP_ENDING
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if(hdr.ipv6.isValid()) {
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set_egress_port((bit<8>) (hdr.ipv6.dst_addr & 0xff));
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}
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if(hdr.ipv4.isValid()) {
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set_egress_port((bit<8>) (hdr.ipv4.dst_addr & 0xff));
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}
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#endif
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@ -20,12 +20,15 @@ parser RealParser(
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out digest_data_t digest_data,
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inout sume_metadata_t standard_metadata) {
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state start {
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packet.extract(hdr.ethernet);
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// meta.unused = 0;
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digest_data.unused = 0;
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transition accept;
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}
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#include "parsers.p4"
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// state start {
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// packet.extract(hdr.ethernet);
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// digest_data.unused = 0;
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// transition accept;
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// }
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}
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@Xilinx_MaxPacketRegion(1024)
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@ -68,7 +71,7 @@ control RealMain(
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dummy_table_for_netpfga.apply();
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/* continue without tables */
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#include "netpfga_nat64_stupid_hardcoded.p4"
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//#include "netpfga_nat64_stupid_hardcoded.p4"
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}
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}
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@ -90,6 +93,16 @@ control TopPipe(
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* Deparser
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*/
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control RealDeParser(
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packet_out packet,
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in Parsed_packet hdr,
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in user_metadata_t meta,
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inout digest_data_t digest_data,
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inout sume_metadata_t sume_metadata) {
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#include "deparser.p4"
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}
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@Xilinx_MaxPacketRegion(1024)
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control TopDeparser(
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packet_out b,
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@ -98,9 +111,12 @@ control TopDeparser(
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inout digest_data_t digest_data,
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inout sume_metadata_t sume_metadata) {
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RealDeParser() realdeparser;
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apply {
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b.emit(p.ethernet);
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realdeparser.apply(b, p, user_metadata, digest_data, sume_metadata);
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}
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}
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/********************************************************************************
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@ -2,8 +2,8 @@
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#define DUMMY_NETPFGA
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action send_to_port1() {
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// sume_metadata.dst_port = 1;
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sume_metadata.dst_port = 16;
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sume_metadata.dst_port = 1;
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// sume_metadata.dst_port = 16;
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}
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action select_port_by_type() {
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@ -14,7 +14,6 @@ action select_port_by_type() {
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1
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>>> 0x0806 >> 11 ARP
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1
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*/
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sume_metadata.dst_port = (bit<8>) (hdr.ethernet.ethertype >> 11);
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@ -23,12 +22,13 @@ action select_port_by_type() {
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table dummy_table_for_netpfga {
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key = {
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hdr.ethernet.dst_addr: exact;
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hdr.ethernet.ethertype: exact;
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}
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actions = {
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send_to_port1;
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select_port_by_type;
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set_egress_port;
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}
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size = 64;
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default_action = select_port_by_type; //send_to_port1;
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@ -17,7 +17,7 @@
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meta.v6sum = 0;
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meta.headerdiff = 0;
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#ifdef _SUME_SWITCH_P4_
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#ifdef _SUME_SWITCH_P4_
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digest_data.unused = 0; /* avoid compiler warning */
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#endif
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