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Commit 42a40e84 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Daniel Borkmann
Browse files

selftests/bpf: test reading the offloaded program 



Test adding the offloaded program after the other program
is already installed.

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: default avatarQuentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 06ea9e63

tools/testing/selftests/bpf/test_offload.py

+20 −9
Original line number Diff line number Diff line
@@ -592,6 +592,15 @@ def check_verifier_log(output, reference): 
            return

    fail(True, "Missing or incorrect message from netdevsim in verifier log")



def check_multi_basic(two_xdps):

    fail(two_xdps["mode"] != 4, "Bad mode reported with multiple programs")

    fail("prog" in two_xdps, "Base program reported in multi program mode")

    fail(len(two_xdps["attached"]) != 2,

         "Wrong attached program count with two programs")

    fail(two_xdps["attached"][0]["prog"]["id"] ==

         two_xdps["attached"][1]["prog"]["id"],

         "Offloaded and other programs have the same id")



def test_spurios_extack(sim, obj, skip_hw, needle):

    res = sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_hw=skip_hw,

                                 include_stderr=True)
@@ -615,17 +624,12 @@ def test_multi_prog(sim, obj, modename, modeid): 


    sim.set_xdp(obj, modename)

    two_xdps = sim.ip_link_show(xdp=True)["xdp"]

    offloaded2 = sim.dfs_read("bpf_offloaded_id")



    fail(two_xdps["mode"] != 4, "Bad mode reported with multiple programs")

    fail("prog" in two_xdps, "Base program reported in multi program mode")

    fail(xdp["attached"][0] not in two_xdps["attached"],

         "Offload program not reported after other activated")

    fail(len(two_xdps["attached"]) != 2,

         "Wrong attached program count with two programs")

    fail(two_xdps["attached"][0]["prog"]["id"] ==

         two_xdps["attached"][1]["prog"]["id"],

         "Offloaded and other programs have the same id")

    check_multi_basic(two_xdps)



    offloaded2 = sim.dfs_read("bpf_offloaded_id")

    fail(offloaded != offloaded2,

         "Offload ID changed after loading other program")
@@ -655,8 +659,15 @@ def test_multi_prog(sim, obj, modename, modeid): 
         "Wrong attached program count with remaining programs")

    fail(offloaded != "0", "Offload ID reported with only other program left")



    start_test("Test multi-attachment XDP - device remove...")

    start_test("Test multi-attachment XDP - reattach...")

    sim.set_xdp(obj, "offload")

    two_xdps = sim.ip_link_show(xdp=True)["xdp"]



    fail(xdp["attached"][0] not in two_xdps["attached"],

         "Other program not reported after offload activated")

    check_multi_basic(two_xdps)



    start_test("Test multi-attachment XDP - device remove...")

    sim.remove()



    sim = NetdevSim()