Date: Thu, 6 Dec 2018 09:20:07 +0100 From: Vincenzo Maffione <v.maffione@gmail.com> To: Andrew Vylegzhanin <avv314@gmail.com> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, rysto32@gmail.com, "Andrey V. Elsukov" <bu7cher@yandex.ru>, Luigi Rizzo <rizzo@iet.unipi.it> Subject: Re: Is netmap jumbo frames broken in STABLE? Message-ID: <CA%2B_eA9jor2v4FeXw7dRO3BZO2f5Bvcfh27dvGa=kHrZgRzwTNQ@mail.gmail.com> In-Reply-To: <CA%2BBi_YhVxpbQCgMUG4K3CQb01TZFDX66WxSB_hn9DZufYSdErg@mail.gmail.com> References: <CA%2BBi_YhqCnt5pQ_hC5zWdBp24=Zn3Rcj29AwtMrguPhSoJZSdQ@mail.gmail.com> <CA%2BhQ2%2BjcT_E4osrTB00%2Bf0gwSCoG_Zy%2BVdU8LXndqsjnmxPQ3Q@mail.gmail.com> <CAFMmRNy=PEFOxM4tGM7TQqpMnhTba17ACiaOcfuG8fkDET0RZw@mail.gmail.com> <CA%2BBi_YiqcOTw7T_dDzjis8yFu7oGd8G-av2BEaStXFiU7ovUCw@mail.gmail.com> <5756C17D.1090409@yandex.ru> <CA%2BhQ2%2Bjtd9FGuaJfJ6N1yt2%2BjSkez8Bj1usjpO%2BBCt-3Yvx2ww@mail.gmail.com> <1502708678.10983095.1465385308094.JavaMail.zimbra@ulg.ac.be> <CA%2BBi_Yhkw2JaGCgF%2Bo1BgLe=QmftneNM8mCrM4jo0OrYeoSGmw@mail.gmail.com> <CA%2B_eA9iSV=NjsaBWCYN2VGuvQvNvUh6fyDLvvmwHDJJAKTkkKg@mail.gmail.com> <CA%2BBi_Yj7GFxErjtu=bxi_ppX%2BDHQ4dOXdm8s1LGWLQM5CncxsQ@mail.gmail.com> <CA%2B_eA9hF3QMvxmGkBuc8fTCuaAHXYZWofGJiqGZUUExYAZpdEg@mail.gmail.com> <CA%2BBi_YhVxpbQCgMUG4K3CQb01TZFDX66WxSB_hn9DZufYSdErg@mail.gmail.com>
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Hi, Actually I just realized that this patch is suitable for stable/11, whereas on stable/12 ixgbe is served by iflib, and therefore we need a different patch. I'll keep you updated then. Cheers, Vincenzo Il giorno mer 5 dic 2018 alle ore 20:45 Andrew Vylegzhanin <avv314@gmail.com> ha scritto: > Hi, > of course I want to test. > But it takes time up to 1-2 weeks, since I need setup HEAD environment in > lab and modify my code for NS_MOREFRAG. > > When we can wait for MFC to stable/12 (or stable/11) > > -- > Andrew > > вс, 2 дек. 2018 г. в 13:30, Vincenzo Maffione <v.maffione@gmail.com>: > >> Hi, >> I prepared a patch (against FreeBSD-HEAD) to to support jumbo frames in >> ixgbe. >> https://reviews.freebsd.org/D18402 >> Would you be able to test it? >> >> Thanks, >> Vincenzo >> >> Il giorno gio 22 nov 2018 alle ore 13:37 Andrew Vylegzhanin < >> avv314@gmail.com> ha scritto: >> >>> >>> >>> чт, 22 нояб. 2018 г. в 13:42, Vincenzo Maffione <v.maffione@gmail.com>: >>> > >>> > Hi, >>> > Yes, absolutely, I'm currently working on aligning netmap on FreeBSD >>> (head, stable/12 and stable/11) to >>> > the same status it has on Linux (more features, more bugfixes, >>> continuous integration infrastructure ... ). >>> >>> Great! >>> >>> > >>> > In particular, on Linux jumbo frames are already supported on ixgbe, >>> e1000, igb, e1000e, etc. >>> >>> BTW, what situation with ixl driver and chelsio ? >>> >>> > >>> > >>> > I have some netmap patches are already in the queue (see here >>> https://reviews.freebsd.org/differential/query/Ol8MNtAi2AIs/#R), >>> > so I can address the ixgbe-jumbo-frames item as soon as the queue >>> drains. >>> > If you want to give a try in the meanwhile, and/or test ixgbe on >>> FreeBSD it would be great. >>> > >>> >>> I will look forward to ixgbe-jumbo-frames. >>> Of course, I'm ready to test on both stable's. >>> >> >> >>> >>> > >>> > Cheers, >>> > Vincenzo >>> > >>> WBR, >>> -- >>> Andrew >>> >>> > Il giorno gio 22 nov 2018 alle ore 11:23 Andrew Vylegzhanin < >>> avv314@gmail.com> ha scritto: >>> >> >>> >> Hi, >>> >> >>> >> Come back to subject after two years. >>> >> I would like to clarify situation with jumbo frames in ixgbe driver. >>> >> >>> >> I've looked to >>> >> >>> https://github.com/luigirizzo/netmap/blob/master/LINUX/ixgbe_netmap_linux.h >>> >> and see a lot of changes compared 11/12-STABLE version ixgbe_netmap.h. >>> >> Is it possible to back port it? >>> >> >>> >> In general, is there a chance to get worked jumbo frames on ixgbe? >>> >> >>> >> -- >>> >> Andrew >>> >> >>> >> ср, 8 июн. 2016 г. в 14:28, <tom.barbette@ulg.ac.be>: >>> >> >>> >> > Support for fragmented packets with ixgbe was recently added on the >>> linux >>> >> > version of Netmap : >>> >> > >>> >> > >>> >> > >>> https://github.com/luigirizzo/netmap/commit/fc1e77560a8a8ea93cc3594de5fae94334debcd3 >>> >> > >>> >> > I think the change for freebsd would be quite the same looking at >>> >> > >>> https://github.com/freebsd/freebsd/blob/master/sys/dev/netmap/ixgbe_netmap.h#L396 >>> >> > >>> >> > After that, your userspace application simply have to check for the >>> >> > NS_MOREFRAG flag in the receive ring, and if it's set he knows the >>> end of >>> >> > the packet will follow in the next buf. >>> >> > >>> >> > Tom >>> >> > >>> >> _______________________________________________ >>> >> freebsd-net@freebsd.org mailing list >>> >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >>> >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org >>> " >>> > >>> > >>> > >>> > -- >>> > Vincenzo >>> >> >> >> -- >> Vincenzo >> > -- Vincenzo
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