Add tdc cases locking the codel/fq_codel small-interval uAPI after
the dropping-loop bound (previous patch): sub-tick and two-tick
intervals are ACCEPTED (the loop bound makes them safe), the
1024us boundary is accepted, and a sub-tick target sojourn delay is
accepted (it does not participate in the control law):
codel: 6e44/a8c3/a695/9793 - interval 1us/3us/1024us and
target 1us accepted (rendered 0us/2us/1.02ms/0us by tc)
fq_codel: 1b4d/3540/49c5/3e0f - interval 1us/3us/1024us and
target 1us accepted
The positive cases match the full rendered qdisc line (tc renders
interval 1us as 0us, 3us as 2us, 1024us as 1.02ms), mirroring the
existing tests in these files.
These cases do not test the dropping-loop bound itself: tdc cannot
observe per-dequeue drop counts. c797 (fq_codel target 1 interval 1)
passes unmodified on the patched kernel, which is the uAPI evidence
for the previous patch.
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://patch.msgid.link/QDISC-1L5H.v1.20260912080102@mojatatu.com.2
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Added new test cases for FQ, FQ_CODEL, FQ_PIE, and HHF qdiscs to verify queue
trimming behavior when the qdisc limit is dynamically reduced.
Each test injects packets, reduces the qdisc limit, and checks that the new
limit is enforced. This is still best effort since timing qdisc backlog
is not easy.
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
With resources localized on a per test basis, some tests definitions
either contain redundant commands, were wrong or could be simplified.
Update all of them to match the new requirements.
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Test 983a: Create CODEL with default setting
Test 38aa: Create CODEL with limit packet setting
Test 9178: Create CODEL with target setting
Test 78d1: Create CODEL with interval setting
Test 238a: Create CODEL with ecn setting
Test 939c: Create CODEL with ce_threshold setting
Test 8380: Delete CODEL with valid handle
Test 289c: Replace CODEL with limit setting
Test 0648: Change CODEL with limit setting
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
