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try to emit on ANY other port

master
Nico Schottelius 3 years ago
parent
commit
62e0279b25
  1. 23
      doc/plan.org
  2. 18
      p4src/netpfga_dummy.p4
  3. 2
      p4src/netpfga_nat64_stupid_hardcoded.p4

23
doc/plan.org

@ -7992,6 +7992,29 @@ listening on eth1, link-type EN10MB (Ethernet), capture size 262144 bytes
00:13:59.182948 ARP, Request who-has 10.0.0.201 tell 10.0.0.200, length 46
#+END_CENTER
*** TODO 2019-07-29: after recompiling with default = 16, icmp4 seen on eth1 of nsg
eth1@nsg:
#+BEGIN_CENTER
09:18:17.411700 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 1, length 64
09:18:18.413405 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 2, length 64
09:18:19.437540 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 3, length 64
09:18:20.461534 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 4, length 64
09:18:21.485394 IP6 2001:db8:42::42 > 2001:db8:42::1: ICMP6, echo request, seq 5, length 64
09:18:46.452656 IP 10.0.0.200 > 10.0.0.1: ICMP echo request, id 4648, seq 1, length 64
09:18:47.469570 IP 10.0.0.200 > 10.0.0.1: ICMP echo request, id 4648, seq 2, length 64
09:18:48.493577 IP 10.0.0.200 > 10.0.0.1: ICMP echo request, id 4648, seq 3, length 64
#+END_CENTER
reflashing switch
*** TODO 2019-07-29: try to set egress to anything that is not 1
- ..hardcoded: sets to 4 (default) 16 (natted v4->v6) 64 (natted
v6->v4)
- ... dummy: 1 for arp, 1 for v4, 16 for v6
** The NetPFGA saga
Problems encountered:
- The logfile for a compile run is 10k+ lines

18
p4src/netpfga_dummy.p4

@ -6,6 +6,21 @@ action send_to_port1() {
sume_metadata.dst_port = 16;
}
action select_port_by_type() {
/*
>>> 0x86dd >> 11 v6
16
>>> 0x0800 >> 11 v4
1
>>> 0x0806 >> 11 ARP
1
*/
sume_metadata.dst_port = hdr.ethernet.ethertype >> 11;
}
table dummy_table_for_netpfga {
key = {
hdr.ethernet.dst_addr: exact;
@ -13,9 +28,10 @@ table dummy_table_for_netpfga {
actions = {
send_to_port1;
select_port_by_type;
}
size = 64;
default_action = send_to_port1;
default_action = select_port_by_type; //send_to_port1;
}
#endif

2
p4src/netpfga_nat64_stupid_hardcoded.p4

@ -42,5 +42,5 @@ if(hdr.ipv6.isValid()) {
set_egress_port(v6_out);
} else {
set_egress_port(1);
set_egress_port(4);
}
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