lkml.org 
[lkml]   [2015]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 03/10] dpaa_eth: add configurable bpool thresholds
From
Date
On Wed, 2015-07-22 at 19:16 +0300, Madalin Bucur wrote:
> Allow the user to tweak the refill threshold and the total number
> of buffers in the buffer pool. The provided values are for one CPU.

Any value in making these module parameters instead?

> +config FSL_DPAA_ETH_MAX_BUF_COUNT
> + int "Maximum number of buffers in private bpool"
> + range 64 2048
> + default "128"
> + ---help---
> + The maximum number of buffers to be by default allocated in the DPAA-Ethernet private port's
> + buffer pool. One needn't normally modify this, as it has probably been tuned for performance
> + already. This cannot be lower than DPAA_ETH_REFILL_THRESHOLD.
> +
> +config FSL_DPAA_ETH_REFILL_THRESHOLD
> + int "Private bpool refill threshold"
> + range 32 FSL_DPAA_ETH_MAX_BUF_COUNT
> + default "80"
> + ---help---
> + The DPAA-Ethernet driver will start replenishing buffer pools whose count
> + falls below this threshold. This must be related to DPAA_ETH_MAX_BUF_COUNT. One needn't normally
> + modify this value unless one has very specific performance reasons.
> +
> config FSL_DPAA_CS_THRESHOLD_1G
> hex "Egress congestion threshold on 1G ports"
> range 0x1000 0x10000000





\
 
 \ /
  Last update: 2015-07-22 20:01    [W:0.133 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site