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selftests/bpf: test reading the offloaded program

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

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2019-02-05 20:03:24 -08:00 committed by Daniel Borkmann
parent 06ea9e63cd
commit 42a40e840d
1 changed files with 20 additions and 9 deletions
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29
tools/testing/selftests/bpf/test_offload.py
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@ -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()