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 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
