Date: Thu, 04 Jan 2024 11:40:35 +0100 From: "Herbert J. Skuhra" <herbert@gojira.at> To: current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <87o7e1s7oc.wl-herbert@gojira.at> In-Reply-To: <87edgo33s9.wl-herbert@gojira.at> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <87pm09ykb8.wl-herbert@gojira.at> <87o7ftyhkp.wl-herbert@gojira.at> <CA%2Bq%2BTcoU21yisYDuCkYtAkJE-WXLdtohZi893zMP%2BNMG0WUh3Q@mail.gmail.com> <87msvdy0v4.wl-herbert@gojira.at> <867DC224-F0B1-4C9C-8EB7-C9F7BE1C029A@freebsd.org> <87edgo33s9.wl-herbert@gojira.at>
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On Fri, 17 Nov 2023 14:31:02 +0100, "Herbert J. Skuhra" wrote:
>=20
> Hi,
>=20
> On Fri, 17 Nov 2023 00:15:13 +0100, tuexen@freebsd.org wrote:
> >=20
> > > On Nov 16, 2023, at 20:06, Herbert J. Skuhra <herbert@gojira.at> wrot=
e:
> > >=20
> > > On Thu, 16 Nov 2023 19:07:29 +0100, Olivier Cochard-Labb=C3=A9 wrote:
> > >>=20
> > >> On Thu, Nov 16, 2023 at 5:10=E2=80=AFPM Herbert J. Skuhra <herbert@g=
ojira.at> wrote:
> > >>=20
> > >>>=20
> > >>> OK, I am now running GENERIC-NODEBUG + "options TCPHPTS".
> > >>>=20
> > >>> After setting "sysctl net.inet.tcp.functions_default=3Drack" git no
> > >>> longer works:
> > >>>=20
> > >>>=20
> > >> Are you using a fresh 15 head or a specific network setup ?
> > >>=20
> > >> Because I'm not able to reproduce your problem on my system:
> > >>=20
> > >> $ uname -a
> > >> FreeBSD bigone 15.0-CURRENT FreeBSD 15.0-CURRENT #0
> > >> main-n266452-070d9e3540e6: Thu Nov 16 17:53:15 CET 2023
> > >> root@bigone:/usr/obj/usr/src/amd64.amd64/sys/TCPHPTS
> > >> amd64
> > >> $ cat /usr/src/sys/amd64/conf/TCPHPTS
> > >> include GENERIC-NODEBUG
> > >> ident TCPHPTS
> > >> options TCPHPTS
> > >> $ sysctl net.inet.tcp.functions_default
> > >> net.inet.tcp.functions_default: rack
> > >> $ git clone -q git@github.com:freebsd/freebsd-src.git && echo working
> > >> working
> > >> $
> > >=20
> > > OK, (g)it works if I disable pf. Do you use pf?
> > Can you share your pf config such that I can reproduce the problem loca=
lly?
>=20
> 1. It even fails with a simple pf.conf:
> pass in all
> pass out all
>=20
> 2. Fetching port distfiles also failed.
>=20
> 3. If I disable rxcsum on the ethernet adapter (igb0) it works.
Disabling lro also resolves the issue.
Not OK:
igb0: flags=3D1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metr=
ic 0 mtu 1500
options=3D4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,V=
LAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXC=
SUM_IPV6,HWSTATS,MEXTPG>
OK:
igb0: flags=3D1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metr=
ic 0 mtu 1500
options=3D4e523bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,V=
LAN_HWCSUM,TSO4,TSO6,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_=
IPV6,HWSTATS,MEXTPG>
--
Herbert
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