selftests/net/bpf_offload.py

519         args = "hw-tc-offload %s" % ("on" if enable else "off")
628     start_test("Test multi-attachment XDP - %s + offload..." %
630     sim.set_xdp(obj, "offload")
641          "Offload program not reported after other activated")
646          "Offload ID changed after loading other program")
649     ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
659     sim.unset_xdp("offload")
667          "Offload program not reported after other activated")
670     fail(offloaded != "0", "Offload ID reported with only other program left")
673     sim.set_xdp(obj, "offload")
677          "Other program not reported after offload activated")
773     check_extack(err, "TC offload is disabled on net device.", args)
779     start_test("Test TC offload by default...")
789     start_test("Test TC cBPF bytcode tries offload by default...")
800     start_test("Test TC cBPF unbound bytecode doesn't offload...")
803     fail(ret == 0, "TC bytecode loaded for offload")
808     start_test("Test non-0 chain offload...")
813     check_extack(err, "Driver supports only offload of chain 0.", args)
846     test_spurios_extack(sim, obj, False, "TC offload is disabled")
847     test_spurios_extack(sim, obj, True, "TC offload is disabled")
866     start_test("Test TC offload basics...")
878     start_test("Test TC offload is device-bound...")
911     sim.set_xdp(obj, "offload")
963     start_test("Test non-offload XDP attaching to HW...")
966     ret, _, err = sim.set_xdp(nooffload, "offload",
972     start_test("Test offload XDP attaching to drv...")
973     bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
975     offload = bpf_pinned("/sys/fs/bpf/offload")  variable
976     ret, _, err = sim.set_xdp(offload, "drv", fail=False, include_stderr=True)
979     rm("/sys/fs/bpf/offload")
984     ret, _, err = bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
991     start_test("Test XDP offload...")
992     _, _, err = sim.set_xdp(obj, "offload", verbose=True, include_stderr=True)
999     start_test("Test XDP offload is device bound...")
1010     sim.unset_xdp("offload")
1011     sim.unset_xdp("offload")
1021     sim2.set_xdp(obj, "offload")
1024     ret, _, err = sim.set_xdp(pinned, "offload",
1029     ret, _, err = sim.set_xdp(pinned, "offload",
1042     sim.set_xdp(obj, "offload")
1046     check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
1047     sim.unset_xdp("offload")
1051     ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
1062     sim.set_xdp(obj, "offload")
1065     sim.set_xdp(pinned, "offload", force=True)
1066     sim.unset_xdp("offload")
1067     sim.set_xdp(pinned, "offload", force=True)
1068     sim.unset_xdp("offload")
1070     start_test("Test offload of wrong type fails...")
1074     start_test("Test asking for TC offload of two filters...")
1078     fail(ret == 0, "Managed to offload two TC filters at the same time")
1079     check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
1112     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1144     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1220     sim.unset_xdp("offload")
1226     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1234     ret, _ = sim.set_xdp(map_obj, "offload", JSON=False, fail=False)
1236          "netdevsim didn't refuse to create a map with offload disabled")
1255     simA.set_xdp(progA, "offload", JSON=False)
1257         d.set_xdp(progB, "offload", JSON=False)
1260     ret, _ = simA.set_xdp(progB, "offload", force=True, JSON=False, fail=False)
1263         ret, _ = d.set_xdp(progA, "offload", force=True, JSON=False, fail=False)
1268         d.unset_xdp("offload")
1270     ret, _, err = simA.set_xdp(progB, "offload", force=True, JSON=False,
1275         ret, _, err = d.set_xdp(progA, "offload", force=True, JSON=False,
1297     fail(err.count("offload device mismatch between prog and map") == 0,
1305     fail(err.count("offload device mismatch between prog and map") == 0,