selftests/bpf/test_lwt_ip_encap.sh

7 #   veth1 <---> veth2   veth3 <---> veth4 (the top route)
8 #   veth5 <---> veth6   veth7 <---> veth8 (the bottom route)
18 #   IP*_1 <=> IP*_2 <=> IP*_3 <=> IP*_4 (the top route)
21 #   NS1/NS2 are configured to route packets to IPv*_GRE via IP*_8
22 #   (the bottom route)
30 #       that encaps the packets with an IP/GRE header to route to IPv*_GRE
36 #       that encaps the packets with an IP/GRE header to route to IPv*_GRE
135 		ip -netns ${NS1} route add table 1001 unreachable default metric 8192
136 		ip -netns ${NS1} -6 route add table 1001 unreachable default metric 8192
142 		ip -netns ${NS2} route add table 1001 unreachable default metric 8192
143 		ip -netns ${NS2} -6 route add table 1001 unreachable default metric 8192
150 	# configure addesses: the top route (1-2-3-4)
160 	# configure addresses: the bottom route (5-6-7-8)
179 	# configure routes: IP*_SRC -> veth1/IP*_2 (= top route) default;
180 	# the bottom route to specific bottom addresses
183 	# top route
184 	ip -netns ${NS1}    route add ${IPv4_2}/32  dev veth1 ${VRF}
185 	ip -netns ${NS1}    route add default dev veth1 via ${IPv4_2} ${VRF}  # go top by default
186 	ip -netns ${NS1} -6 route add ${IPv6_2}/128 dev veth1 ${VRF}
187 	ip -netns ${NS1} -6 route add default dev veth1 via ${IPv6_2} ${VRF}  # go top by default
188 	# bottom route
189 	ip -netns ${NS1}    route add ${IPv4_6}/32  dev veth5 ${VRF}
190 	ip -netns ${NS1}    route add ${IPv4_7}/32  dev veth5 via ${IPv4_6} ${VRF}
191 	ip -netns ${NS1}    route add ${IPv4_8}/32  dev veth5 via ${IPv4_6} ${VRF}
192 	ip -netns ${NS1} -6 route add ${IPv6_6}/128 dev veth5 ${VRF}
193 	ip -netns ${NS1} -6 route add ${IPv6_7}/128 dev veth5 via ${IPv6_6} ${VRF}
194 	ip -netns ${NS1} -6 route add ${IPv6_8}/128 dev veth5 via ${IPv6_6} ${VRF}
197 	# top route
198 	ip -netns ${NS2}    route add ${IPv4_1}/32  dev veth2 ${VRF}
199 	ip -netns ${NS2}    route add ${IPv4_4}/32  dev veth3 ${VRF}
200 	ip -netns ${NS2} -6 route add ${IPv6_1}/128 dev veth2 ${VRF}
201 	ip -netns ${NS2} -6 route add ${IPv6_4}/128 dev veth3 ${VRF}
202 	# bottom route
203 	ip -netns ${NS2}    route add ${IPv4_5}/32  dev veth6 ${VRF}
204 	ip -netns ${NS2}    route add ${IPv4_8}/32  dev veth7 ${VRF}
205 	ip -netns ${NS2} -6 route add ${IPv6_5}/128 dev veth6 ${VRF}
206 	ip -netns ${NS2} -6 route add ${IPv6_8}/128 dev veth7 ${VRF}
209 	# top route
210 	ip -netns ${NS3}    route add ${IPv4_3}/32  dev veth4
211 	ip -netns ${NS3}    route add ${IPv4_1}/32  dev veth4 via ${IPv4_3}
212 	ip -netns ${NS3}    route add ${IPv4_2}/32  dev veth4 via ${IPv4_3}
213 	ip -netns ${NS3} -6 route add ${IPv6_3}/128 dev veth4
214 	ip -netns ${NS3} -6 route add ${IPv6_1}/128 dev veth4 via ${IPv6_3}
215 	ip -netns ${NS3} -6 route add ${IPv6_2}/128 dev veth4 via ${IPv6_3}
216 	# bottom route
217 	ip -netns ${NS3}    route add ${IPv4_7}/32  dev veth8
218 	ip -netns ${NS3}    route add ${IPv4_5}/32  dev veth8 via ${IPv4_7}
219 	ip -netns ${NS3}    route add ${IPv4_6}/32  dev veth8 via ${IPv4_7}
220 	ip -netns ${NS3} -6 route add ${IPv6_7}/128 dev veth8
221 	ip -netns ${NS3} -6 route add ${IPv6_5}/128 dev veth8 via ${IPv6_7}
222 	ip -netns ${NS3} -6 route add ${IPv6_6}/128 dev veth8 via ${IPv6_7}
224 	# configure IPv4 GRE device in NS3, and a route to it via the "bottom" route
228 	ip -netns ${NS1} route add ${IPv4_GRE}/32 dev veth5 via ${IPv4_6} ${VRF}
229 	ip -netns ${NS2} route add ${IPv4_GRE}/32 dev veth7 via ${IPv4_8} ${VRF}
232 	# configure IPv6 GRE device in NS3, and a route to it via the "bottom" route
236 	ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF}
237 	ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF}
265 	ip -netns ${NS1} route del ${IPv4_GRE} dev veth5 ${VRF}
266 	ip -netns ${NS2} route del ${IPv4_GRE} dev veth7 ${VRF}
267 	ip -netns ${NS1} -6 route del ${IPv6_GRE}/128 dev veth5 ${VRF}
268 	ip -netns ${NS2} -6 route del ${IPv6_GRE}/128 dev veth7 ${VRF}
273 	ip -netns ${NS1} route add unreachable ${IPv4_GRE}/32 ${VRF}
274 	ip -netns ${NS2} route add unreachable ${IPv4_GRE}/32 ${VRF}
275 	ip -netns ${NS1} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
276 	ip -netns ${NS2} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
357 	ip -netns ${NS2}    route del ${IPv4_DST}/32  dev veth3 ${VRF}
358 	ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
364 		ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
366 		ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
369 		ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
371 		ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
415 	ip -netns ${NS2}    route del ${IPv4_DST}/32  dev veth3 ${VRF}
416 	ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
422 		ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
424 		ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \
427 		ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
429 		ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \