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none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Nov 2020 13:18:51 -0000 Hi Vincenzo, On Tue, Nov 24, 2020 at 8:54 PM Vincenzo Maffione 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.