From adf6209cbeeaafce9d4b0a19cd50f74ba3699906 Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Thu, 28 May 2020 20:49:46 +0200 Subject: gso: add checksum and payload size testing Type: test Change-Id: I9e4f7cf44d465712aa26e5dd6a0ff38588964a39 Signed-off-by: Mohsin Kazmi --- test/test_gso.py | 197 +++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 148 insertions(+), 49 deletions(-) diff --git a/test/test_gso.py b/test/test_gso.py index 6bd49c06da9..29a54eb396f 100644 --- a/test/test_gso.py +++ b/test/test_gso.py @@ -107,17 +107,55 @@ class TestGSO(VppTestCase): self.assertEqual(rx[ICMP].type, 3) # "dest-unreach" self.assertEqual(rx[ICMP].code, 4) # "fragmentation-needed" + # + # Send checksum offload frames + # + p40 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) / + IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4, + flags='DF') / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 1460)) + + rxs = self.send_and_expect(self.pg2, 100*[p40], self.pg0) + + for rx in rxs: + self.assertEqual(rx[Ether].src, self.pg0.local_mac) + self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) + self.assertEqual(rx[IP].src, self.pg2.remote_ip4) + self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + payload_len = rx[IP].len - 20 - 20 + self.assert_ip_checksum_valid(rx) + self.assert_tcp_checksum_valid(rx) + self.assertEqual(payload_len, len(rx[Raw])) + + p60 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) / + IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6) / + TCP(sport=1234, dport=1234) / + Raw(b'\xa5' * 1440)) + + rxs = self.send_and_expect(self.pg2, 100*[p60], self.pg0) + + for rx in rxs: + self.assertEqual(rx[Ether].src, self.pg0.local_mac) + self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) + self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6) + self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) + payload_len = rx[IPv6].plen - 20 + self.assert_tcp_checksum_valid(rx) + self.assertEqual(payload_len, len(rx[Raw])) + # # Send jumbo frame with gso enabled and DF bit is set # input and output interfaces support GSO # + self.vapi.feature_gso_enable_disable(self.pg3.sw_if_index) p41 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) / IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4, flags='DF') / TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p41], self.pg3) + rxs = self.send_and_expect(self.pg2, 100*[p41], self.pg3, 100) for rx in rxs: self.assertEqual(rx[Ether].src, self.pg3.local_mac) @@ -136,7 +174,7 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p61], self.pg3) + rxs = self.send_and_expect(self.pg2, 100*[p61], self.pg3, 100) for rx in rxs: self.assertEqual(rx[Ether].src, self.pg3.local_mac) @@ -159,18 +197,21 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p42], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p42], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg2.remote_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + payload_len = rx[IP].len - 20 - 20 # len - 20 (IP4) - 20 (TCP) + self.assert_ip_checksum_valid(rx) + self.assert_tcp_checksum_valid(rx) self.assertEqual(rx[TCP].sport, 1234) self.assertEqual(rx[TCP].dport, 1234) - - size = rxs[44][TCP].seq + rxs[44][IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assertEqual(payload_len, len(rx[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # ipv6 @@ -180,18 +221,20 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p62], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p62], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6) self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) + payload_len = rx[IPv6].plen - 20 + self.assert_tcp_checksum_valid(rx) self.assertEqual(rx[TCP].sport, 1234) self.assertEqual(rx[TCP].dport, 1234) - - size = rxs[44][TCP].seq + rxs[44][IPv6].plen - 20 - self.assertEqual(size, 65200) + self.assertEqual(payload_len, len(rx[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # Send jumbo frame with gso enabled only on input interface @@ -205,16 +248,17 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p43], self.pg1, 119) + rxs = self.send_and_expect(self.pg2, 5*[p43], self.pg1, 5*119) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg1.local_mac) self.assertEqual(rx[Ether].dst, self.pg1.remote_mac) self.assertEqual(rx[IP].src, self.pg2.remote_ip4) self.assertEqual(rx[IP].dst, self.pg1.remote_ip4) + self.assert_ip_checksum_valid(rx) size += rx[IP].len - 20 - size -= 20 # TCP header - self.assertEqual(size, 65200) + size -= 20*5 # TCP header + self.assertEqual(size, 65200*5) # # IPv6 @@ -227,7 +271,7 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p63], self.pg2, 1) + rxs = self.send_and_expect(self.pg2, 5*[p63], self.pg2, 5) for rx in rxs: self.assertEqual(rx[Ether].src, self.pg2.local_mac) self.assertEqual(rx[Ether].dst, self.pg2.remote_mac) @@ -252,16 +296,19 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - self.pg1.enable_capture() - rxs = self.send_and_expect(self.pg4, [p44], self.pg1, 33) + rxs = self.send_and_expect(self.pg4, 5*[p44], self.pg1, 165) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg1.local_mac) self.assertEqual(rx[Ether].dst, self.pg1.remote_mac) self.assertEqual(rx[IP].src, self.pg4.remote_ip4) self.assertEqual(rx[IP].dst, self.pg1.remote_ip4) - size = rxs[32][TCP].seq + rxs[32][IP].len - 20 - 20 - self.assertEqual(size, 65200) + payload_len = rx[IP].len - 20 - 20 # len - 20 (IP4) - 20 (TCP) + self.assert_ip_checksum_valid(rx) + self.assert_tcp_checksum_valid(rx) + self.assertEqual(payload_len, len(rx[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # IPv6 @@ -271,16 +318,18 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - self.pg1.enable_capture() - rxs = self.send_and_expect(self.pg4, [p64], self.pg1, 34) + rxs = self.send_and_expect(self.pg4, 5*[p64], self.pg1, 170) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg1.local_mac) self.assertEqual(rx[Ether].dst, self.pg1.remote_mac) self.assertEqual(rx[IPv6].src, self.pg4.remote_ip6) self.assertEqual(rx[IPv6].dst, self.pg1.remote_ip6) - size = rxs[33][TCP].seq + rxs[33][IPv6].plen - 20 - self.assertEqual(size, 65200) + payload_len = rx[IPv6].plen - 20 + self.assert_tcp_checksum_valid(rx) + self.assertEqual(payload_len, len(rx[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index, enable_disable=0) @@ -314,21 +363,28 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p45], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p45], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg0.local_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assert_ip_checksum_valid(rx) + self.assert_udp_checksum_valid(rx) self.assertEqual(rx[VXLAN].vni, 10) inner = rx[VXLAN].payload + self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner)) self.assertEqual(inner[Ether].src, self.pg2.remote_mac) self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79") self.assertEqual(inner[IP].src, self.pg2.remote_ip4) self.assertEqual(inner[IP].dst, "172.16.3.3") - size += inner[IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assert_ip_checksum_valid(inner) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IP].len - 20 - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # IPv4/IPv6 - VXLAN @@ -338,21 +394,27 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p65], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p65], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg0.local_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assert_ip_checksum_valid(rx) + self.assert_udp_checksum_valid(rx) self.assertEqual(rx[VXLAN].vni, 10) inner = rx[VXLAN].payload + self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner)) self.assertEqual(inner[Ether].src, self.pg2.remote_mac) self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79") self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) self.assertEqual(inner[IPv6].dst, "fd01:3::3") - size += inner[IPv6].plen - 20 - self.assertEqual(size, 65200) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IPv6].plen - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # disable ipv4/vxlan @@ -375,21 +437,27 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p46], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p46], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IPv6].src, self.pg0.local_ip6) self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) + self.assert_udp_checksum_valid(rx) self.assertEqual(rx[VXLAN].vni, 10) inner = rx[VXLAN].payload + self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner)) self.assertEqual(inner[Ether].src, self.pg2.remote_mac) self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79") self.assertEqual(inner[IP].src, self.pg2.remote_ip4) self.assertEqual(inner[IP].dst, "172.16.3.3") - size += inner[IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assert_ip_checksum_valid(inner) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IP].len - 20 - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # IPv6/IPv6 - VXLAN @@ -399,21 +467,26 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p66], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p66], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IPv6].src, self.pg0.local_ip6) self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) + self.assert_udp_checksum_valid(rx) self.assertEqual(rx[VXLAN].vni, 10) inner = rx[VXLAN].payload + self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner)) self.assertEqual(inner[Ether].src, self.pg2.remote_mac) self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79") self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) self.assertEqual(inner[IPv6].dst, "fd01:3::3") - size += inner[IPv6].plen - 20 - self.assertEqual(size, 65200) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IPv6].plen - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # disable ipv4/vxlan @@ -457,19 +530,25 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p47], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p47], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg0.local_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assert_ip_checksum_valid(rx) self.assertEqual(rx[IP].proto, 4) # ipencap inner = rx[IP].payload + self.assertEqual(rx[IP].len - 20, len(inner)) self.assertEqual(inner[IP].src, self.pg2.remote_ip4) self.assertEqual(inner[IP].dst, "172.16.10.3") - size += inner[IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assert_ip_checksum_valid(inner) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IP].len - 20 - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) self.ip6_via_ip4_tunnel = VppIpRoute( self, "fd01:10::", 64, @@ -485,19 +564,24 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p67], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p67], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg0.local_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assert_ip_checksum_valid(rx) self.assertEqual(rx[IP].proto, 41) # ipv6 inner = rx[IP].payload + self.assertEqual(rx[IP].len - 20, len(inner)) self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) self.assertEqual(inner[IPv6].dst, "fd01:10::3") - size += inner[IPv6].plen - 20 - self.assertEqual(size, 65200) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IPv6].plen - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # Send jumbo frame with gso enabled only on input interface and @@ -508,19 +592,25 @@ class TestGSO(VppTestCase): enable_disable=0) self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index) - rxs = self.send_and_expect(self.pg2, [p47], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p47], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) self.assertEqual(rx[Ether].dst, self.pg0.remote_mac) self.assertEqual(rx[IP].src, self.pg0.local_ip4) self.assertEqual(rx[IP].dst, self.pg0.remote_ip4) + self.assert_ip_checksum_valid(rx) self.assertEqual(rx[IP].proto, 4) # ipencap inner = rx[IP].payload + self.assertEqual(rx[IP].len - 20, len(inner)) self.assertEqual(inner[IP].src, self.pg2.remote_ip4) self.assertEqual(inner[IP].dst, "172.16.10.3") - size += inner[IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assert_ip_checksum_valid(inner) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IP].len - 20 - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # disable ipip4 @@ -557,7 +647,7 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p48], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p48], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) @@ -566,10 +656,15 @@ class TestGSO(VppTestCase): self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) self.assertEqual(ipv6nh[rx[IPv6].nh], "IP") inner = rx[IPv6].payload + self.assertEqual(rx[IPv6].plen, len(inner)) self.assertEqual(inner[IP].src, self.pg2.remote_ip4) self.assertEqual(inner[IP].dst, "172.16.10.3") - size += inner[IP].len - 20 - 20 - self.assertEqual(size, 65200) + self.assert_ip_checksum_valid(inner) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IP].len - 20 - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) self.ip6_via_ip6_tunnel = VppIpRoute( self, "fd01:10::", 64, @@ -586,7 +681,7 @@ class TestGSO(VppTestCase): TCP(sport=1234, dport=1234) / Raw(b'\xa5' * 65200)) - rxs = self.send_and_expect(self.pg2, [p68], self.pg0, 45) + rxs = self.send_and_expect(self.pg2, 5*[p68], self.pg0, 225) size = 0 for rx in rxs: self.assertEqual(rx[Ether].src, self.pg0.local_mac) @@ -595,10 +690,14 @@ class TestGSO(VppTestCase): self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6) self.assertEqual(ipv6nh[rx[IPv6].nh], "IPv6") inner = rx[IPv6].payload + self.assertEqual(rx[IPv6].plen, len(inner)) self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6) self.assertEqual(inner[IPv6].dst, "fd01:10::3") - size += inner[IPv6].plen - 20 - self.assertEqual(size, 65200) + self.assert_tcp_checksum_valid(inner) + payload_len = inner[IPv6].plen - 20 + self.assertEqual(payload_len, len(inner[Raw])) + size += payload_len + self.assertEqual(size, 65200*5) # # disable ipip6 -- cgit 1.2.3-korg