public void apply(Parsed_packet headers_capture, ref Parsed_packet headers, P4ToCSharp.Library.error parseError, InControl inCtrl, out OutControl outCtrl)
{
outCtrl = new OutControl();
headers = headers_capture;
TopPipe_Args TopPipe_Args = new TopPipe_Args(this, headers, parseError, inCtrl, outCtrl);
if ((TopPipe_Args.parseError != error.NoError))
{
TopPipe_Args.Instance.Drop_action(TopPipe_Args);
return;
}
TopPipe_Args.Instance.ipv4_match.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == DROP_PORT))
{
return;
}
TopPipe_Args.Instance.check_ttl.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == CPU_OUT_PORT))
{
return;
}
TopPipe_Args.Instance.dmac.apply(TopPipe_Args);
if ((TopPipe_Args.outCtrl.outputPort == DROP_PORT))
{
return;
}
TopPipe_Args.Instance.smac.apply(TopPipe_Args);
}
//action Set_nhop(out IPv4Address nextHop, // NOTE directioned parameters must be bound in the actions list specification (so not by api?)
// IPv4Address ipv4_dest, // NOTE directionless parameters bound by control plane
// PortId port)
//{
// nextHop = ipv4_dest;
// headers.ip.ttl = headers.ip.ttl - 1;
// outCtrl.outputPort = port;
//}
private static void Set_nhop(TopPipe_Args args,
ref IPv4Address nextHop,
IPv4Address ipv4_dest,
PortId port)
{
nextHop = ipv4_dest;
args.headers.ip.ttl = new bit8((byte)(args.headers.ip.ttl.Value - 1));
args.outCtrl.outputPort = port;
}
public apply_result apply(TopPipe_Args TopPipe_Args)
{
apply_result result;
ActionBase RA = lookup?[TopPipe_Args.headers.ip.dstAddr];
if (RA == null)
{
result = new apply_result(false, default_action.Action);
RA = default_action;
}
else
{
result = new apply_result(true, RA.Action);
}
RA.OnApply(TopPipe_Args);
return(result);
}
public apply_result apply(TopPipe_Args TopPipe_Args)
{
apply_result result;
ActionBase RA = lookup?[TopPipe_Args.outCtrl.outputPort];
if (RA == null)
{
result = new apply_result(false, default_action.Action);
RA = default_action;
}
else
{
result = new apply_result(true, RA.Action);
}
RA.OnApply(TopPipe_Args);
return(result);
}
public apply_result apply(TopPipe_Args args)
{
apply_result result;
ActionBase RA = table.Lookup(args.outCtrl.outputPort);
if (RA == null)
{
result = new apply_result(false, default_action.Action);
}
else
{
result = new apply_result(true, RA.Action);
}
//evaluate_and_copy_in_RA_args(RA);
//execute(RA);
//copy_out_RA_args(RA);
//copy_out_table_args(args);
RA.OnApply(args);
return(result);
}
public void apply(ref Parsed_packet headers,
core.error parseError, // parser error
InControl inCtrl, // input port
out OutControl outCtrl)
{
outCtrl = new OutControl(); // NOTE instantiate all out params to satisfy csc
TopPipe_Args args = new TopPipe_Args(headers, parseError, inCtrl, outCtrl);
IPv4Address nextHop = new IPv4Address(); // Have to instantiate ref params, more compact than using out params and instantiating at bottom
if (parseError != error.NoError)
{
Drop_action(args);
return;
}
ipv4_match.apply(args, ref nextHop);
if (args.outCtrl.outputPort == DROP_PORT)
{
return;
}
check_ttl.apply(args);
if (args.outCtrl.outputPort == CPU_OUT_PORT)
{
return;
}
dmac.apply(args, nextHop);
if (args.outCtrl.outputPort == DROP_PORT)
{
return;
}
smac.apply(args);
// Copy params back out
headers = args.headers;
outCtrl = args.outCtrl;
}
public apply_result apply(TopPipe_Args args, ref IPv4Address nextHop)
{
// FIXME sort out copy-semantics for args
apply_result result;
// Would chain lookups here if multiple fields
ActionBase RA = table.Lookup(args.headers.ip.dstAddr);
if (RA == null)
{
result = new apply_result(false, default_action.Action);
}
else
{
result = new apply_result(true, RA.Action);
}
//evaluate_and_copy_in_RA_args(RA);
//execute(RA);
//copy_out_RA_args(RA);
//copy_out_table_args(args);
RA.OnApply(args, ref nextHop);
return(result);
}
void Send_to_cpu(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.outCtrl.outputPort = CPU_OUT_PORT;
}
public override void OnApply(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.Instance.Set_nhop(TopPipe_Args, ipv4_dest, port);
}
public override void OnApply(TopPipe_Args args, ref IPv4Address nextHop)
{
// FIXME this action doesn't actually set the out param - how do we handle that?
Drop_action(args);
}
void Set_nhop(TopPipe_Args TopPipe_Args, IPv4Address ipv4_dest, PortId port)
{
TopPipe_Args.Instance.nextHop = ipv4_dest;
TopPipe_Args.headers.ip.ttl = (TopPipe_Args.headers.ip.ttl - 1);
TopPipe_Args.outCtrl.outputPort = port;
}
public override void OnApply(TopPipe_Args args)
{
Send_to_cpu(args);
}
public abstract void OnApply(TopPipe_Args args, ref IPv4Address nextHop);
void Set_dmac(TopPipe_Args TopPipe_Args, EthernetAddress dmac)
{
TopPipe_Args.headers.ethernet.dstAddr = dmac;
}
public override void OnApply(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.Instance.Drop_action(TopPipe_Args);
}
public override void OnApply(TopPipe_Args args)
{
Set_smac(args, smac);
}
public override void OnApply(TopPipe_Args args)
{
Drop_action(args);
}
//action Set_smac(EthernetAddress smac)
// { headers.ethernet.srcAddr = smac; }
private static void Set_smac(TopPipe_Args args, EthernetAddress smac)
{
args.headers.ethernet.srcAddr = smac;
}
//action Set_dmac(EthernetAddress dmac)
//{ headers.ethernet.dstAddr = dmac; }
private static void Set_dmac(TopPipe_Args args, EthernetAddress dmac)
{
args.headers.ethernet.dstAddr = dmac;
}
public override void OnApply(TopPipe_Args args)
{
NoAction(); // NOTE external action, so doesn't take TopPipe `args`
}
public override void OnApply(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.Instance.Send_to_cpu(TopPipe_Args);
}
public override void OnApply(TopPipe_Args TopPipe_Args)
{
NoAction();
}
public override void OnApply(TopPipe_Args args, ref IPv4Address nextHop) // FIXME need to bind parameters from control plane...
{
Set_nhop(args, ref nextHop, ipv4_dest, port);
}
void Set_smac(TopPipe_Args TopPipe_Args, EthernetAddress smac)
{
TopPipe_Args.headers.ethernet.srcAddr = smac;
}
void Drop_action(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.outCtrl.outputPort = DROP_PORT;
}
public abstract void OnApply(TopPipe_Args TopPipe_Args);
//action Send_to_cpu()
// { outCtrl.outputPort = CPU_OUT_PORT; }
private static void Send_to_cpu(TopPipe_Args args)
{
args.outCtrl.outputPort = CPU_OUT_PORT;
}
public override void OnApply(TopPipe_Args TopPipe_Args)
{
TopPipe_Args.Instance.Set_smac(TopPipe_Args, smac);
}
//action Drop_action()
//{ outCtrl.outputPort = DROP_PORT; }
private static void Drop_action(TopPipe_Args TopPipe_Args) // NOTE these params are ALL from TopPipe, not the action itself...
{
TopPipe_Args.outCtrl.outputPort = DROP_PORT; // NOTE will need to add `arg.` to relevant identifiers
}
