Date: Wed, 25 Nov 2020 18:48:37 +0530 From: Rajesh Kumar <rajfbsd@gmail.com> To: Vincenzo Maffione <vmaffione@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org>, stephan.dewt@yahoo.co.uk Subject: Re: Netmap bridge not working with 10G Ethernet ports Message-ID: <CAAO%2BANP7yErK2utYrnkog-YM8fQ_KuAtrwSRRb=UzJNfLkLMvg@mail.gmail.com> In-Reply-To: <CA%2B_eA9jOOFTYmv_bmxcaXz26=-uqG_DnTx7=%2Bg1QM_%2BftJXkMQ@mail.gmail.com> References: <CAAO%2BANOg5MEfHf9bV5x4L_QXNY2O9vQk0s%2BJrD7yzeXCQfHt8w@mail.gmail.com> <CA%2B_eA9hR8ysiFGj-iriMpqXcDbc4X_h_C1sgNoO05KoLy5orCA@mail.gmail.com> <CAAO%2BANP3PcqKo1nUfZTB92uKoJ40VA9YLo9MMqSN9AkMhq55tw@mail.gmail.com> <CA%2B_eA9ixySZtvJ8C9mwPj6q2fAQmZJicVgLHKkpb398-u_PaJw@mail.gmail.com> <CAAO%2BANM_zUgViGfFRuxZo7bTTNd7w9Xco=ptZweYHSGgx_xXsg@mail.gmail.com> <CA%2B_eA9i4i5txARoW-cLc=nzY28r9QCDw1%2B58pjAZBj=LMTV1og@mail.gmail.com> <CA%2B_eA9iiZ_CLuKxfZzz3AwVs=ZQPeq-g3ezkYTeXcowmRxHnSA@mail.gmail.com> <CAAO%2BANMT_So=kVk2qcs6Jf2Js2tnbdF8cbZdfkE6oFGC=DpK=g@mail.gmail.com> <CA%2B_eA9jOOFTYmv_bmxcaXz26=-uqG_DnTx7=%2Bg1QM_%2BftJXkMQ@mail.gmail.com>
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Hi Vincenzo, On Tue, Nov 24, 2020 at 8:54 PM Vincenzo Maffione <vmaffione@freebsd.org> wrote: > > Yeah, it's weird because axgbe also uses iflib(4). If the driver exposes > NIC head/tail pointers (sysctl) it may be useful to check what happens > there. > It may be that the NIC is dropping these packets for some reason. > Looks like, "ifdi_promisc_set" routine of the driver is not getting triggered properly. Forcibly setting the promisc mode from driver is solving the packet drop issue. Now I see the ARP reply packet. axgbe has split header support, which causes trouble starting from ping packets due to incompatibility with Iflib/Netmap and associated utilities. I made some changes to the driver, Iflib and Netmap utilities and having the netmap bridge working with axgbe now. I am working on a clean fix for promisc mode setting and incompatibility issue. Will submit the changes for review once done. Thanks for your inputs and support. Done in r367920. > Thank you. Thanks, Rajesh.
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