Date: Thu, 2 Jun 2016 21:55:21 +0000 From: Sreekanth Rupavatharam <rupavath@juniper.net> To: hiren panchasara <hiren@strugglingcoder.info> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "jfvogel@gmail.com" <jfvogel@gmail.com>, "sbruno@FreeBSD.org" <sbruno@FreeBSD.org>, "erj@FreeBSD.org" <erj@FreeBSD.org> Subject: Re: Possible transmit/stats problem in igb driver. Message-ID: <3AB5CD68-EC25-4E5A-B34B-F8A288D72194@juniper.net> In-Reply-To: <20160602214104.GJ8994@strugglingcoder.info> References: <D7944476-98AD-4548-99E3-6E88648E2B06@juniper.net> <20160602202015.GG8994@strugglingcoder.info> <9A903EE5-3F2C-46C0-B563-1150F81E3507@juniper.net> <20160602214104.GJ8994@strugglingcoder.info>
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> >Very interesting. Do you tune defaults at all? What does sysctl hw.igb >say? Not sure if bumping up txd would help. > I do not think it’s a problem with txd, as the traffic is very light(about 500packets/sec). Anyways, here are the values. hw.igb.rx_process_limit: 100 hw.igb.num_queues: 0 hw.igb.header_split: 0 hw.igb.max_interrupt_rate: 8000 hw.igb.enable_msix: 1 hw.igb.enable_aim: 1 hw.igb.txd: 1024 hw.igb.rxd: 1024 Forgot to mention, my version of driver is r275836 on stable/10.
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