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[34.48.4.250]) by smtp.gmail.com with UTF8SMTPSA id 00721157ae682-790aa670ec0sm91265417b3.36.2026.01.14.06.18.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jan 2026 06:18:25 -0800 (PST) Date: Wed, 14 Jan 2026 09:18:25 -0500 From: Willem de Bruijn To: "Chia-Yu Chang (Nokia)" , Neal Cardwell Cc: "pabeni@redhat.com" , "edumazet@google.com" , "parav@nvidia.com" , "linux-doc@vger.kernel.org" , "corbet@lwn.net" , "horms@kernel.org" , "dsahern@kernel.org" , "kuniyu@google.com" , "bpf@vger.kernel.org" , "netdev@vger.kernel.org" , "dave.taht@gmail.com" , "jhs@mojatatu.com" , "kuba@kernel.org" , "stephen@networkplumber.org" , "xiyou.wangcong@gmail.com" , "jiri@resnulli.us" , "davem@davemloft.net" , "andrew+netdev@lunn.ch" , "donald.hunter@gmail.com" , "ast@fiberby.net" , "liuhangbin@gmail.com" , "shuah@kernel.org" , "linux-kselftest@vger.kernel.org" , "ij@kernel.org" , "Koen De Schepper (Nokia)" , "g.white@cablelabs.com" , "ingemar.s.johansson@ericsson.com" , "mirja.kuehlewind@ericsson.com" , cheshire , "rs.ietf@gmx.at" , "Jason_Livingood@comcast.com" , Vidhi Goel , Willem de Bruijn Message-ID: In-Reply-To: References: <20260108155816.36001-1-chia-yu.chang@nokia-bell-labs.com> <20260108155816.36001-2-chia-yu.chang@nokia-bell-labs.com> Subject: RE: [PATCH net-next 1/1] selftests/net: Add packetdrill packetdrill cases Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Chia-Yu Chang (Nokia) wrote: > > -----Original Message----- > > From: Neal Cardwell = > > Sent: Thursday, January 8, 2026 11:47 PM > > To: Chia-Yu Chang (Nokia) > > Cc: pabeni@redhat.com; edumazet@google.com; parav@nvidia.com; linux-d= oc@vger.kernel.org; corbet@lwn.net; horms@kernel.org; dsahern@kernel.org;= kuniyu@google.com; bpf@vger.kernel.org; netdev@vger.kernel.org; dave.tah= t@gmail.com; jhs@mojatatu.com; kuba@kernel.org; stephen@networkplumber.or= g; xiyou.wangcong@gmail.com; jiri@resnulli.us; davem@davemloft.net; andre= w+netdev@lunn.ch; donald.hunter@gmail.com; ast@fiberby.net; liuhangbin@gm= ail.com; shuah@kernel.org; linux-kselftest@vger.kernel.org; ij@kernel.org= ; Koen De Schepper (Nokia) ; g.whit= e@cablelabs.com; ingemar.s.johansson@ericsson.com; mirja.kuehlewind@erics= son.com; cheshire ; rs.ietf@gmx.at; Jason_Livingood@c= omcast.com; Vidhi Goel ; Willem de Bruijn > > Subject: Re: [PATCH net-next 1/1] selftests/net: Add packetdrill pack= etdrill cases > > = > > = > > CAUTION: This is an external email. Please be very careful when click= ing links or opening attachments. See the URL nok.it/ext for additional i= nformation. > > = > > = > > = > > On Thu, Jan 8, 2026 at 10:58=E2=80=AFAM wrote: > > > > > > From: Chia-Yu Chang > > > > > > Linux Accurate ECN test sets using ACE counters and AccECN options = to = > > > cover several scenarios: Connection teardown, different ACK = > > > conditions, counter wrapping, SACK space grabbing, fallback schemes= , = > > > negotiation retransmission/reorder/loss, AccECN option drop/loss, = > > > different handshake reflectors, data with marking, and different sy= sctl values. > > > > > > Co-developed-by: Ilpo J=C3=A4rvinen > > > Signed-off-by: Ilpo J=C3=A4rvinen > > > Co-developed-by: Neal Cardwell > > > Signed-off-by: Neal Cardwell > > > --- > > = > > Chia-Yu, thank you for posting the packetdrill tests. > > = > > A couple thoughts: > > = > > (1) These tests are using the experimental AccECN packetdrill support= that is not in mainline packetdrill yet. Can you please share the github= URL for the version of packetdrill you used? I will work on merging the = appropriate experimental AccECN packetdrill support into the Google packe= tdrill mainline branch. > > = > > (2) The last I heard, the tools/testing/selftests/net/packetdrill/ > > infrastructure does not run tests in subdirectories of that packetdri= ll/ directory, and that is why all the tests in tools/testing/selftests/n= et/packetdrill/ are in a single directory. > > When you run these tests, do all the tests actually get run? Just wan= ted to check this. :-) > > = > > Thanks! > > neal > = > Hi Neal, > = > Regards (2), I will put all ACCECN cases in the tools/testing/selftests= /net/packetdrill/ > But I would like to include another script to avoid running these AccEC= N tests one-by-one manually, does it make sense to you? > Thanks. All scripts under tools/testing/selftests/net/packetdrill are already picked up for automated testing in kselftests: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commi= t/?id=3D8a405552fd3b