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Send ARP response, not request

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This commit is contained in:
Byron Lathi
2024-09-02 22:39:57 -07:00
parent 87baa932f8
commit 0c2f36a2ff
1 changed files with 8 additions and 6 deletions
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14
hw/super6502_fpga/src/sub/network_processor/sim/cocotb/tests/tcp_test.py
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@@ -6,8 +6,8 @@ from cocotbext.axi import AxiLiteBus, AxiLiteMaster, AxiLiteRam
from cocotbext.eth import MiiPhy, GmiiFrame
import struct
from scapy.layers.inet import *
from scapy.layers.l2 import *
from scapy.layers.inet import Ether
from scapy.layers.l2 import ARP
import logging
from decimal import Decimal
@@ -64,7 +64,7 @@ async def test_simple(dut):
local_mac = "02:00:00:11:22:33"
await tb.axil_master.write_dword(0x0, 0x3)
await tb.axil_master.write_dword(0x0, 0x1807)
await tb.axil_master.write_dword(0x200, 0x1234)
await tb.axil_master.write_dword(0x204, ip_to_hex(src_ip))
@@ -80,7 +80,7 @@ async def test_simple(dut):
assert packet.type == 0x806, "Packet type is not ARP!"
arp_request = packet.payload
assert isinstance(arp_request, ARP)
@@ -97,9 +97,11 @@ async def test_simple(dut):
assert arp_request.pdst == dst_ip, "ARP pdst does not match expected"
arp_response = Ether(dst=arp_request.hwsrc, src=local_mac)
arp_response /= ARP(hwsrc=local_mac, hwdst=arp_request.hwsrc, psrc=dst_ip, pdst=arp_request.psrc)
arp_response /= ARP(op="is-at", hwsrc=local_mac, hwdst=arp_request.hwsrc, psrc=dst_ip, pdst=arp_request.psrc)
arp_response = arp_response.build()
await tb.mii_phy.rx.send(GmiiFrame.from_payload(arp_response))
await Timer(Decimal(CLK_PERIOD_NS * 1000), units='ns')
resp = await tb.mii_phy.tx.recv() # type: GmiiFrame
packet = Ether(resp.get_payload())
tb.log.info(f"Packet Type: {packet.type:x}")