[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-Id: <20150828.135407.681828001083476161.davem@davemloft.net>
Date: Fri, 28 Aug 2015 13:54:07 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: sshah@...arflare.com
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH net-next 1/1] sfc: Allow driver to cope with a lower
number of VIs than it needs for RSS
From: Shradha Shah <sshah@...arflare.com>
Date: Fri, 28 Aug 2015 10:55:42 +0100
> Previously, the driver would refuse to load if it couldn't secure
> enough VIs from the MC to fulfill its RSS requirements.
> This was causing probe to fail on later functions in
> configurations where we'd run out of VIs, such as having many
> VFs.
>
> This change allows the driver to load with fewer VIs, down to a
> minimum of 2. A warning will be printed saying that RSS
> requirements were not met, possibly affecting performance.
>
> efx->max_tx_channels needs to be set to avoid going down the
> failure path in efx_probe_nic() immediately in the loop after the
> probe() NIC-type function.
> Also, Set rc=ENOSPC when bombing out of efx_probe_nic due to lack
> of VIs.
>
> Signed-off-by: Shradha Shah <sshah@...arflare.com>
Applied, thanks.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists