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* [dts] [PATCH V1] tests/ice_switch_filter: add 2 case
@ 2022-07-13 15:35 Jiale Song
  0 siblings, 0 replies; only message in thread
From: Jiale Song @ 2022-07-13 15:35 UTC (permalink / raw)
  To: dts; +Cc: Jiale Song

add case to test the switch rule of l2 mask and l3 mask.
add case test_l2_multicast and test_l3_multicast.

Signed-off-by: Jiale Song <songx.jiale@intel.com>
---
 test_plans/ice_switch_filter_test_plan.rst | 237 ++++++++++++++++++++-
 tests/TestSuite_ice_switch_filter.py       | 175 ++++++++++++++-
 2 files changed, 408 insertions(+), 4 deletions(-)

diff --git a/test_plans/ice_switch_filter_test_plan.rst b/test_plans/ice_switch_filter_test_plan.rst
index 599174ba..fcb1902a 100644
--- a/test_plans/ice_switch_filter_test_plan.rst
+++ b/test_plans/ice_switch_filter_test_plan.rst
@@ -96,6 +96,10 @@ Pattern and input set
   +---------------------+-------------------------------+-------------------------------------------+-------------------------------------------+
   |  ethertype filter   | ethertype filter_PPPOED       | [Ether type]                              | [Ether type]                              |
   +---------------------+-------------------------------+-------------------------------------------+-------------------------------------------+
+  |                     | L3 multicast                  | [Dest IPv4], [Source IPv6]                | N/A                                       |
+  |      multicast      +-------------------------------+-------------------------------------------+-------------------------------------------+
+  |                     | L2 multicast                  | [Dest MAC], [Source MAC]                  | N/A                                       |
+  +---------------------+-------------------------------+-------------------------------------------+-------------------------------------------+
 
 .. note::
 
@@ -5596,6 +5600,8 @@ Pattern Any Test Case
 Test case 1: check rule is programmed to switch
 -----------------------------------------------
 
+Test Steps
+..........
 1. launch testpmd with --log-level="ice,7" create a rule::
 
     testpmd> flow create 0 ingress pattern any / end actions drop / end
@@ -5614,6 +5620,9 @@ Test case 1: check rule is programmed to switch
 
 Test case 2: drop any rule
 --------------------------
+
+Test Steps
+..........
 1. create a rule::
 
     testpmd> flow create 0 ingress pattern any / end actions drop / end
@@ -5656,6 +5665,9 @@ Test case 2: drop any rule
 
 Test case 3: any to queue rule
 ------------------------------
+
+Test Steps
+..........
 1. create a rule::
 
     testpmd> flow create 0 ingress pattern any / end actions queue index 4 / end
@@ -5677,8 +5689,10 @@ Test case 4: pattern any priority check
 ---------------------------------------
 
 subcase 1: non-pipeline mode
-............................
+----------------------------
 
+Test Steps
+..........
 1. create drop any rule with priority 0, to queue rule with priority 1::
 
     testpmd> flow create 0 priority 0 ingress pattern any / end actions drop / end
@@ -5703,8 +5717,10 @@ subcase 1: non-pipeline mode
 5. change the rule priority, repeat step 2-4, check the result is same.
 
 subcase 2: non-pipeline mode with other rule
-............................................
+--------------------------------------------
 
+Test Steps
+..........
 1. create 2 rules::
 
     testpmd> flow create 0 priority 1 ingress pattern any / end actions drop / end
@@ -5732,8 +5748,10 @@ subcase 2: non-pipeline mode with other rule
     testpmd> flow destroy 0 rule 1
 
 subcase 3: pipeline mode
-........................
+------------------------
 
+Test Steps
+..........
 1. launch testpmd with pipeline mode, create rule, check the rule can be created::
 
     testpmd> flow create 0 priority 0 ingress pattern any / end actions drop / end
@@ -5761,3 +5779,216 @@ subcase 3: pipeline mode
 7. create rule, check the rule can not be created::
 
     testpmd> flow create 0 priority 1 ingress pattern any / end actions queue index 4 / end
+
+Test case: L3 multicast
+=======================
+
+subcase 1: ipv4 dst + mask
+--------------------------
+
+Test Steps
+..........
+1. validate a rule::
+
+     testpmd> flow validate 0 ingress pattern eth / ipv4 dst spec 224.0.0.0 dst mask 240.0.0.0 / end actions queue index 12 / end
+
+   get the message::
+
+     Flow rule validated
+
+   check the flow list::
+
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+
+2. create a rule::
+
+     testpmd> flow create 0 ingress pattern eth / ipv4 dst spec 224.0.0.0 dst mask 240.0.0.0 / end actions queue index 12 / end
+     testpmd> flow list 0
+
+   check the rule exists in the list.
+
+3. send matched packets::
+
+     sendp(Ether()/IP(dst="224.0.0.0")/Raw("x"*80), iface="enp27s0f0", count=1),
+     sendp(Ether()/IP(dst="224.0.0.255")/Raw("x"*80), iface="enp27s0f0", count=1),
+     sendp(Ether()/IP(src="192.168.0.1", dst="224.0.255.0")/Raw("x"*80), iface="enp27s0f0", count=1),
+     sendp(Ether()/IP(src="192.168.0.1", dst="224.255.0.0")/TCP()/Raw("x"*80), iface="enp27s0f0", count=1),
+     sendp(Ether()/IP(src="192.168.0.1", dst="239.0.0.0")/UDP()/Raw("x"*80), iface="enp27s0f0", count=1),
+
+   check all the packets received by queue 12.
+   send mismatched packets::
+
+     sendp(Ether()/IP(src="192.168.0.1", dst="223.0.0.0")/TCP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether()/IP(src="192.168.0.1", dst="240.0.0.0")/UDP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether()/IP(src="192.168.0.1", dst="128.0.0.0")/Raw("x"*80)], iface="enp27s0f0", count=1)
+
+   check all the packets can't received by queue 12.
+
+4. verify rules can be destroyed::
+
+     testpmd> flow destroy 0 rule 0
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+   send matched packets, check all the packets can't received by queue 12.
+
+subcase 2: ipv6 src + mask
+--------------------------
+
+Test Steps
+..........
+1. validate a rule::
+
+     testpmd> flow validate 0 ingress pattern eth / ipv6 src spec CDCD:910A:2222:5498:8475:1111:3900:2023 src mask fff0:0:0:0:0:0:0:0 / end actions queue index 12 / end
+
+   get the message::
+
+     Flow rule validated
+
+   check the flow list::
+
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+
+2. create a rule::
+
+     testpmd> flow create 0 ingress pattern eth / ipv6 src spec CDCD:910A:2222:5498:8475:1111:3900:2023 src mask fff0:0:0:0:0:0:0:0 / end actions queue index 12 / end
+     testpmd> flow list 0
+
+   check the rule exists in the list.
+
+3. send matched packets::
+
+     sendp(Ether()/IPv6(src="CDCD:910A:2222:5498:8475:1111:3900:2023")/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(src="CDCf:0:0:0:0:0:0:0")/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:0:0:0:ffff")/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:0:0:ffff:0")/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(src="CDC0:0:0:0:0:ffff:0:0")/UDP()/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:ffff:0:0:0")/UDP()/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(src="CDC0:0:ffff:0:0:0:0:0")/TCP()/("X"*480), iface="enp27s0f0", count=1),
+     sendp(Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:ffff:0:0:0:0:0:0")/TCP()/("X"*480), iface="enp27s0f0", count=1),
+
+   check all the packets received by queue 12.
+   send mismatched packets::
+
+     sendp(Ether()/IPv6(src="CDDD:910A:2222:5498:8475:1111:3900:2023")/("X"*480), iface="enp27s0f0", count=1)
+     sendp(Ether()/IPv6(src="CFCD:910A:2222:5498:8475:1111:3900:2023")/UDP()/("X"*480), iface="enp27s0f0", count=1)
+     sendp(Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="FDCD:0:0:0:0:0:0:ffff")/TCP()/("X"*480), iface="enp27s0f0", count=1)
+
+   check all the packets can't receive by queue 12.
+
+4. verify rules can be destroyed::
+
+     testpmd> flow destroy 0 rule 0
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+   send matched packets, check all the packets can't receive by queue 12.
+
+Test case: L2 multicast
+=======================
+
+subcase 1: mac dst + mask
+--------------------------
+
+Test Steps
+..........
+1. validate a rule::
+
+     testpmd> flow validate 0 ingress pattern eth dst spec 01:00:5e:00:00:00 dst mask ff:ff:ff:80:00:00 / end actions queue index 12 / end
+
+   get the message::
+
+     Flow rule validated
+
+   check the flow list::
+
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+
+2. create a rule::
+
+     testpmd> flow create 0 ingress pattern eth dst spec 01:00:5e:00:00:00 dst mask ff:ff:ff:80:00:00 / end actions queue index 12 / end
+     testpmd> flow list 0
+
+   check the rule exists in the list.
+
+3. send matched packets::
+
+     sendp(Ether(dst="01:00:5e:00:00:00")/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="01:00:5e:7f:00:00")/IP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="01:00:5e:00:ff:00")/IP()/TCP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="01:00:5e:00:00:01", dst="01:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80), iface="enp27s0f0", count=1)
+
+   check all the packets received by queue 12.
+   send mismatched packets::
+
+     sendp(Ether(dst="01:00:5e:80:00:00")/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="01:00:ff:00:00:00")/IP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="01:ff:5e:00:ff:00")/IP()/TCP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="ff:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80), iface="enp27s0f0", count=1)
+
+   check all the packets can't receive by queue 12.
+
+4. verify rules can be destroyed::
+
+     testpmd> flow destroy 0 rule 0
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+   send matched packets, check all the packets can't receive by queue 12.
+
+subcase 2: mac src + mask
+--------------------------
+
+Test Steps
+..........
+1. validate a rule::
+
+     testpmd> flow validate 0 ingress pattern eth src spec 01:00:5e:00:00:00 src mask ff:ff:ff:80:00:00 / end actions queue index 12 / end
+
+   get the message::
+
+     Flow rule validated
+
+   check the flow list::
+
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+
+2. create a rule::
+
+     testpmd> flow create 0 ingress pattern eth src spec 01:00:5e:00:00:00 src mask ff:ff:ff:80:00:00 / end actions queue index 12 / end
+     testpmd> flow list 0
+
+   check the rule exists in the list.
+
+3. send matched packets::
+
+     sendp(Ether(src="01:00:5e:00:00:00")/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="01:00:5e:7f:00:00")/IP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="01:00:5e:00:ff:00")/IP()/TCP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(dst="01:00:5e:00:00:01", src="01:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80), iface="enp27s0f0", count=1)
+
+   check all the packets received by queue 12.
+   send mismatched packets::
+
+     sendp(Ether(src="01:00:5e:80:00:00")/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="01:00:ff:00:00:00")/IP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="01:ff:5e:00:ff:00")/IP()/TCP()/Raw("x"*80), iface="enp27s0f0", count=1)
+     sendp(Ether(src="ff:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80), iface="enp27s0f0", count=1)
+
+   check all the packets can't receive by queue 12.
+
+4. verify rules can be destroyed::
+
+     testpmd> flow destroy 0 rule 0
+     testpmd> flow list 0
+
+   check the rule not exists in the list.
+   send matched packets, check all the packets can't receive by queue 12.
\ No newline at end of file
diff --git a/tests/TestSuite_ice_switch_filter.py b/tests/TestSuite_ice_switch_filter.py
index 76bd630f..85c7a805 100644
--- a/tests/TestSuite_ice_switch_filter.py
+++ b/tests/TestSuite_ice_switch_filter.py
@@ -4230,6 +4230,167 @@ drop_any_pkt_list = [
     "Ether(dst='68:05:CA:BB:26:E0')/IP()/UDP(dport=2152)/GTP_U_Header(gtp_type=255, teid=0x123456)/GTPPDUSessionContainer(type=0, P=1, QFI=0x34)/IP(dst='192.168.0.1', src='192.168.0.2')/UDP(sport=22, dport=33)/('X'*480)",
 ]
 
+IP_MASK = {
+    "matched": [
+        'Ether()/IP(dst="224.0.0.0")/Raw("x"*80)',
+        'Ether()/IP(dst="224.0.0.255")/Raw("x"*80)',
+        'Ether()/IP(src="192.168.0.1", dst="224.0.255.0")/Raw("x"*80)',
+        'Ether()/IP(src="192.168.0.1", dst="224.255.0.0")/TCP()/Raw("x"*80)',
+        'Ether()/IP(src="192.168.0.1", dst="239.0.0.0")/UDP()/Raw("x"*80)',
+    ],
+    "mismatched": [
+        'Ether()/IP(src="192.168.0.1", dst="223.0.0.0")/TCP()/Raw("x"*80)',
+        'Ether()/IP(src="192.168.0.1", dst="240.0.0.0")/UDP()/Raw("x"*80)',
+        'Ether()/IP(src="192.168.0.1", dst="128.0.0.0")/Raw("x"*80)',
+    ],
+}
+
+tv_ip_dst_mask = {
+    "name": "tv_ip_dst_mask",
+    "rte_flow_pattern": "flow create 0 ingress pattern eth / ipv4 dst spec 224.0.0.0 dst mask 240.0.0.0 / end actions queue index 12 / end",
+    "configuration": {"is_non_pipeline": True, "is_need_rss_rule": False},
+    "matched": {
+        "scapy_str": IP_MASK["matched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 5},
+    },
+    "mismatched": {
+        "scapy_str": IP_MASK["mismatched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue_mismatched,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 3},
+    },
+}
+
+IPv6_MASK = {
+    "matched": [
+        'Ether()/IPv6(src="CDCD:910A:2222:5498:8475:1111:3900:2023")/("X"*480)',
+        'Ether()/IPv6(src="CDCf:0:0:0:0:0:0:0")/("X"*480)',
+        'Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:0:0:0:ffff")/("X"*480)',
+        'Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:0:0:ffff:0")/("X"*480)',
+        'Ether()/IPv6(src="CDC0:0:0:0:0:ffff:0:0")/UDP()/("X"*480)',
+        'Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:0:0:0:ffff:0:0:0")/UDP()/("X"*480)',
+        'Ether()/IPv6(src="CDC0:0:ffff:0:0:0:0:0")/TCP()/("X"*480)',
+        'Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="CDC0:ffff:0:0:0:0:0:0")/TCP()/("X"*480)',
+    ],
+    "mismatched": [
+        'Ether()/IPv6(src="CDDD:910A:2222:5498:8475:1111:3900:2023")/("X"*480)',
+        'Ether()/IPv6(src="CFCD:910A:2222:5498:8475:1111:3900:2023")/UDP()/("X"*480)',
+        'Ether()/IPv6(dst="CDCD:910A:2222:5498:8475:1111:3900:1515", src="FDCD:0:0:0:0:0:0:ffff")/TCP()/("X"*480)',
+    ],
+}
+
+tv_ipv6_src_mask = {
+    "name": "tv_ipv6_src_mask",
+    "rte_flow_pattern": "flow create 0 ingress pattern eth / ipv6 src spec CDCD:910A:2222:5498:8475:1111:3900:2023 src mask fff0:0:0:0:0:0:0:0 / end actions queue index 12 / end",
+    "configuration": {"is_non_pipeline": True, "is_need_rss_rule": False},
+    "matched": {
+        "scapy_str": IPv6_MASK["matched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 8},
+    },
+    "mismatched": {
+        "scapy_str": IPv6_MASK["mismatched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue_mismatched,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 3},
+    },
+}
+
+tvs_L3_multicast_non_pipeline_mode = [
+    tv_ip_dst_mask,
+    tv_ipv6_src_mask,
+]
+
+L2_DST_MASK = {
+    "matched": [
+        'Ether(dst="01:00:5e:00:00:00")/Raw("x"*80)',
+        'Ether(dst="01:00:5e:7f:00:00")/IP()/Raw("x"*80)',
+        'Ether(dst="01:00:5e:00:ff:00")/IP()/TCP()/Raw("x"*80)',
+        'Ether(src="01:00:5e:00:00:01", dst="01:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80)',
+    ],
+    "mismatched": [
+        'Ether(dst="01:00:5e:80:00:00")/Raw("x"*80)',
+        'Ether(dst="01:00:ff:00:00:00")/IP()/Raw("x"*80)',
+        'Ether(dst="01:ff:5e:00:ff:00")/IP()/TCP()/Raw("x"*80)',
+        'Ether(dst="ff:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80)',
+    ],
+}
+
+tv_eth_dst_mask = {
+    "name": "tv_eth_dst_mask",
+    "rte_flow_pattern": "flow create 0 ingress pattern eth dst spec 01:00:5e:00:00:00 dst mask ff:ff:ff:80:00:00 / end actions queue index 12 / end",
+    "configuration": {"is_non_pipeline": True, "is_need_rss_rule": False},
+    "matched": {
+        "scapy_str": L2_DST_MASK["matched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 4},
+    },
+    "mismatched": {
+        "scapy_str": L2_DST_MASK["mismatched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue_mismatched,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 4},
+    },
+}
+
+L2_SRC_MASK = {
+    "matched": [
+        'Ether(src="01:00:5e:00:00:00")/Raw("x"*80)',
+        'Ether(src="01:00:5e:7f:00:00")/IP()/Raw("x"*80)',
+        'Ether(src="01:00:5e:00:ff:00")/IP()/TCP()/Raw("x"*80)',
+        'Ether(dst="01:00:5e:00:00:01", src="01:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80)',
+    ],
+    "mismatched": [
+        'Ether(src="01:00:5e:80:00:00")/Raw("x"*80)',
+        'Ether(src="01:00:ff:00:00:00")/IP()/Raw("x"*80)',
+        'Ether(src="01:ff:5e:00:ff:00")/IP()/TCP()/Raw("x"*80)',
+        'Ether(src="ff:00:5e:00:00:ff")/IP()/UDP()/Raw("x"*80)',
+    ],
+}
+
+tv_eth_src_mask = {
+    "name": "tv_eth_src_mask",
+    "rte_flow_pattern": "flow create 0 ingress pattern eth src spec 01:00:5e:00:00:00 src mask ff:ff:ff:80:00:00 / end actions queue index 12 / end",
+    "configuration": {"is_non_pipeline": True, "is_need_rss_rule": False},
+    "matched": {
+        "scapy_str": L2_SRC_MASK["matched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 4},
+    },
+    "mismatched": {
+        "scapy_str": L2_SRC_MASK["mismatched"],
+        "check_func": {
+            "func": rfc.check_output_log_in_queue_mismatched,
+            "param": {"expect_port": 0, "expect_queues": 12},
+        },
+        "expect_results": {"expect_pkts": 4},
+    },
+}
+
+tvs_L2_multicast_non_pipeline_mode = [
+    tv_eth_dst_mask,
+    tv_eth_src_mask,
+]
+
 test_results = OrderedDict()
 
 
@@ -4273,7 +4434,7 @@ class ICESwitchFilterTest(TestCase):
         self.verify(len(self.dut_ports) >= 1, "Insufficient ports")
         localPort = self.tester.get_local_port(self.dut_ports[0])
         self.__tx_iface = self.tester.get_interface(localPort)
-        self.dut.send_expect("ifconfig %s up" % self.__tx_iface, "# ")
+        self.tester.send_expect("ifconfig %s up" % self.__tx_iface, "# ")
         self.pkt = Packet()
         self.pmd = PmdOutput(self.dut)
 
@@ -5397,6 +5558,18 @@ class ICESwitchFilterTest(TestCase):
             not all(rule6), "all rules should create failed, result {}".format(rule6)
         )
 
+    def test_l3_multicast(self):
+        """
+        Test case: IP multicast
+        """
+        self._rte_flow_validate_pattern(tvs_L3_multicast_non_pipeline_mode)
+
+    def test_l2_multicast(self):
+        """
+        Test case: L2 multicast
+        """
+        self._rte_flow_validate_pattern(tvs_L2_multicast_non_pipeline_mode)
+
     def tear_down(self):
         """
         Run after each test case.
-- 
2.17.1


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2022-07-13 15:35 [dts] [PATCH V1] tests/ice_switch_filter: add 2 case Jiale Song

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