Add CI testcases

1. Advanced pcap filters
2. --filter-track-skb

Signed-off-by: Zhichuan Liang <gray.liang@isovalent.com>

.github/workflows/test.yml

@@ -85,6 +85,46 @@ jobs:
  curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://[2606:4700:4700::1001]:8080 || true
  expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*\[2606:4700:4700::1001\]:8080'
 
+ - name: Test advanced IPv4
+ uses: ./.github/actions/pwru-test
+ with:
+ test-name: advanced-ipv4
+ pwru-pcap-filter: 'tcp[tcpflags] = tcp-syn'
+ traffic-setup: |
+ iptables -I OUTPUT 1 -m tcp --proto tcp --dst 1.0.0.2/32 --dport 8080 -j DROP
+ curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://1.0.0.2:8080 || true
+ expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*1.0.0.2:8080'
+
+ - name: Test advanced IPv6
+ uses: ./.github/actions/pwru-test
+ with:
+ test-name: advanced-ipv6
+ pwru-pcap-filter: 'ip6[53] & 0x3f = 0x2'
+ traffic-setup: |
+ ip6tables -I OUTPUT 1 -m tcp --proto tcp --dst 2606:4700:4700::1002 --dport 8080 -j DROP
+ curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://[2606:4700:4700::1002]:8080 || true
+ expected-output-pattern: '(kfree_skb_reason|kfree_skb\b).*\[2606:4700:4700::1002\]:8080'
+
+ - name: Test pcap filter using stack
+ uses: ./.github/actions/pwru-test
+ with:
+ test-name: pcap-filter-stack
+ pwru-pcap-filter: '(((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'
+ traffic-setup: curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://1.1.1.1 || true
+ expected-output-pattern: '1.1.1.1:80'
+
+ - name: Test --filter-track-skb
+ # DNAT
+ uses: ./.github/actions/pwru-test
+ with:
+ test-name: filter-track-skb
+ pwru-flags: --filter-track-skb
+ pwru-pcap-filter: dst host 10.10.20.99
+ traffic-setup: |
+ iptables -t nat -I OUTPUT 1 -d 10.10.20.99/32 -j DNAT --to-destination 10.10.14.2
+ curl -vvv -sS --fail --connect-timeout "1" -o /dev/null http://10.10.20.99:80 || true
+ expected-output-pattern: '10.10.14.2:80'
+
  - name: Fetch artifacts
  if: ${{ !success() }}
  uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d