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[icmp6] forward NDP multicast to controller in correct fashion

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This commit is contained in:
Nico Schottelius 2019-03-04 14:07:05 +01:00
commit 0fa70432d1
4 changed files with 39 additions and 27 deletions
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1
p4src/headers.p4
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@ -15,6 +15,7 @@ typedef bit<16> mcast_t;
const bit<16> TYPE_IPV4 = 0x0800;
const bit<16> TYPE_IPV6 = 0x86DD;
const bit<16> TYPE_CPU = 0x4242;
const bit<16> TYPE_DEBUG = 0x2323;
const bit<8> PROTO_ICMP = 1;

41
p4src/static-mapping.p4
View file

@ -18,13 +18,16 @@ control MyIngress(inout headers hdr,
/********************** ACTIONS ***********************************/
/* As the name says */
action drop() {
mark_to_drop();
}
/* As the name says */
action send_to_controller() {
action set_egress_port (port_t out_port) {
standard_metadata.egress_spec = out_port;
}
action controller_debug() {
hdr.ethernet.ethertype = TYPE_DEBUG;
clone3(CloneType.I2E, 100, meta);
}
@ -33,8 +36,7 @@ control MyIngress(inout headers hdr,
clone3(CloneType.I2E, 100, meta);
}
/* Output PKG on correct ports (plural) */
action multicast_pkg(mcast_t mcast_grp) {
action multicast_pkg(mcast_t mcast_grp) { /* Output PKG on correct ports (plural) */
standard_metadata.mcast_grp = mcast_grp;
}
@ -54,7 +56,7 @@ control MyIngress(inout headers hdr,
hdr.icmp6.type: exact;
}
actions = {
send_to_controller;
controller_debug;
icmp6_neighbor_solicitation;
NoAction;
}
@ -70,12 +72,12 @@ control MyIngress(inout headers hdr,
}
actions = {
multicast_pkg;
send_to_controller;
controller_debug;
NoAction;
}
size = NDP_TABLE_SIZE;
default_action = NoAction;
// default_action = send_to_controller;
// default_action = controller_debug;
}
/* Handle multicast registration of NDP */
@ -85,12 +87,12 @@ control MyIngress(inout headers hdr,
}
actions = {
multicast_pkg;
send_to_controller;
controller_debug;
NoAction;
}
size = NDP_TABLE_SIZE;
default_action = NoAction;
// default_action = send_to_controller;
// default_action = controller_debug;
}
/********************** NDP support ***********************************/
@ -103,12 +105,12 @@ control MyIngress(inout headers hdr,
}
actions = {
multicast_pkg;
send_to_controller;
controller_debug;
NoAction;
}
size = NDP_TABLE_SIZE;
// default_action = NoAction;
default_action = send_to_controller;
default_action = controller_debug;
}
@ -130,28 +132,24 @@ control MyIngress(inout headers hdr,
*/
}
/********************** ROUTING (egress definiton) TABLES ***********************************/
table v6_addresses {
key = {
hdr.ipv6.dst_addr: exact;
// hdr.ipv6.next_header: exact;
}
actions = {
// icmp6_answer;
send_to_controller;
controller_debug;
controller_reply;
NoAction;
}
size = ADDRESS_TABLE_SIZE;
// default_action = send_to_controller;
default_action = NoAction;
}
/********************** ROUTING (egress definiton) TABLES ***********************************/
action set_egress_port (port_t out_port) {
standard_metadata.egress_spec = out_port;
}
table v6_routing {
table v6_networks {
key = {
hdr.ipv6.dst_addr: lpm;
}
@ -163,6 +161,7 @@ control MyIngress(inout headers hdr,
default_action = NoAction;
}
table v4_routing {
key = {
hdr.ipv4.dst_addr: lpm;