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Date:      Wed, 14 Mar 2018 21:41:06 +0100
From:      Vincenzo Maffione <v.maffione@gmail.com>
To:        Joe Buehler <aspam@cox.net>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject:   Re: netmap memory config query
Message-ID:  <CA%2B_eA9jH_qYcswRc3yMn=v75oiZh0mPymU-pZXb6r=WNGQFKbg@mail.gmail.com>
In-Reply-To: <5AA97F0B.8060808@cox.net>
References:  <5AA97F0B.8060808@cox.net>

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Hi,
  The parameter to increase is "ring_size". FreeBSD or Linux does not
matter (except for how you modify the parameter, i.e. sysctl on FreeBSD and
sysfs in Linux).

Cheers,
  Vincenzo

2018-03-14 20:59 GMT+01:00 Joe Buehler <aspam@cox.net>:

> When I increase the ixgbevf rx ring size from 1024 to 4096 I get this:
>
> [ 5526.651780] 851.135009 [ 931] netmap_obj_malloc         netmap_ring
> request size 65792 too large
> [ 5526.652779] 851.136008 [1802] netmap_mem2_rings_create  Cannot allocate
> RX_ring
>
> What netmap module parameters do I need to tweak to get past this?
>
> I am using LINUX should it matter.
>
> Joe Buehler
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-- 
Vincenzo Maffione



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