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Begin adding session tables, debug infos

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This commit is contained in:
Nico Schottelius 2019-05-02 13:54:31 +02:00
commit 02fc065c1d
4 changed files with 176 additions and 11 deletions
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4
p4src/headers.p4
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@ -25,6 +25,10 @@ const bit<16> TABLE_V4_NETWORKS = 5;
const bit<16> TABLE_ARP = 6;
const bit<16> TABLE_ARP_EGRESS = 7;
const bit<16> TABLE_ICMP = 8;
const bit<16> TABLE_NAT64_TCP = 9;
const bit<16> TABLE_NAT64_UDP = 10;
const bit<16> TABLE_NAT64_ICMP6 = 11;
const bit<16> TABLE_NAT64_SESSION = 12;
const bit<16> TYPE_IPV4 = 0x0800;

38
p4src/static-mapping.p4
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@ -232,6 +232,42 @@ Echo or Echo Reply Message
default_action = controller_debug_table_id(TABLE_NAT46);
}
/********************** NAT64 sessions ***********************************/
action nat64_create_session()
{
}
/* Used for detecting traffic that should have a session */
table nat64_session {
key = {
hdr.ipv6.dst_addr: lpm;
}
actions = {
controller_debug_table_id;
NoAction;
}
size = NAT64_TABLE_SIZE;
default_action = controller_debug_table_id(TABLE_NAT64_SESSION);
}
table nat64_tcp {
key = {
hdr.ipv6.src_addr: exact;
hdr.ipv6.dst_addr: exact;
hdr.tcp.src_port: exact;
hdr.tcp.dst_port: exact;
}
actions = {
controller_debug_table_id;
NoAction;
}
size = NAT64_TABLE_SIZE;
default_action = controller_debug_table_id(TABLE_NAT64_TCP);
}
/********************** ICMP6 + NDP + ICMP ***********************************/
@ -433,7 +469,7 @@ Echo or Echo Reply Message
/********************** APPLYING TABLES ***********************************/
apply {
if(hdr.ipv6.isValid()) {
if(nat64.apply().hit) { /* generic nat64 done */
if(nat64.apply().hit) { /* generic / static nat64 done */
if(hdr.icmp6.isValid()) {
nat64_icmp6_generic();