selftests/bpf/test_offload.py

581         args = "hw-tc-offload %s" % ("on" if enable else "off")
692     start_test("Test multi-attachment XDP - %s + offload..." %
694     sim.set_xdp(obj, "offload")
705          "Offload program not reported after other activated")
710          "Offload ID changed after loading other program")
713     ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
723     sim.unset_xdp("offload")
731          "Offload program not reported after other activated")
734     fail(offloaded != "0", "Offload ID reported with only other program left")
737     sim.set_xdp(obj, "offload")
741          "Other program not reported after offload activated")
837     check_extack(err, "TC offload is disabled on net device.", args)
843     start_test("Test TC offload by default...")
853     start_test("Test TC cBPF bytcode tries offload by default...")
864     start_test("Test TC cBPF unbound bytecode doesn't offload...")
867     fail(ret == 0, "TC bytecode loaded for offload")
872     start_test("Test non-0 chain offload...")
877     check_extack(err, "Driver supports only offload of chain 0.", args)
910     test_spurios_extack(sim, obj, False, "TC offload is disabled")
911     test_spurios_extack(sim, obj, True, "TC offload is disabled")
930     start_test("Test TC offload basics...")
942     start_test("Test TC offload is device-bound...")
975     sim.set_xdp(obj, "offload")
1027     start_test("Test non-offload XDP attaching to HW...")
1030     ret, _, err = sim.set_xdp(nooffload, "offload",
1036     start_test("Test offload XDP attaching to drv...")
1037     bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
1039     offload = bpf_pinned("/sys/fs/bpf/offload")  variable
1040     ret, _, err = sim.set_xdp(offload, "drv", fail=False, include_stderr=True)
1043     rm("/sys/fs/bpf/offload")
1048     ret, _, err = bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
1055     start_test("Test XDP offload...")
1056     _, _, err = sim.set_xdp(obj, "offload", verbose=True, include_stderr=True)
1063     start_test("Test XDP offload is device bound...")
1074     sim.unset_xdp("offload")
1075     sim.unset_xdp("offload")
1085     sim2.set_xdp(obj, "offload")
1088     ret, _, err = sim.set_xdp(pinned, "offload",
1093     ret, _, err = sim.set_xdp(pinned, "offload",
1106     sim.set_xdp(obj, "offload")
1110     check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
1111     sim.unset_xdp("offload")
1115     ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
1126     sim.set_xdp(obj, "offload")
1129     sim.set_xdp(pinned, "offload", force=True)
1130     sim.unset_xdp("offload")
1131     sim.set_xdp(pinned, "offload", force=True)
1132     sim.unset_xdp("offload")
1134     start_test("Test offload of wrong type fails...")
1138     start_test("Test asking for TC offload of two filters...")
1142     fail(ret == 0, "Managed to offload two TC filters at the same time")
1143     check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
1176     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1208     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1284     sim.unset_xdp("offload")
1290     sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
1298     ret, _ = sim.set_xdp(map_obj, "offload", JSON=False, fail=False)
1300          "netdevsim didn't refuse to create a map with offload disabled")
1319     simA.set_xdp(progA, "offload", JSON=False)
1321         d.set_xdp(progB, "offload", JSON=False)
1324     ret, _ = simA.set_xdp(progB, "offload", force=True, JSON=False, fail=False)
1327         ret, _ = d.set_xdp(progA, "offload", force=True, JSON=False, fail=False)
1332         d.unset_xdp("offload")
1334     ret, _, err = simA.set_xdp(progB, "offload", force=True, JSON=False,
1339         ret, _, err = d.set_xdp(progA, "offload", force=True, JSON=False,
1361     fail(err.count("offload device mismatch between prog and map") == 0,
1369     fail(err.count("offload device mismatch between prog and map") == 0,