network driver + replenishment

Hi

I need a good sugestions about replenishing the buffers in network
driver wrt to performance.

I have a model in which, network driver receive a interrupt and ISR
will add a function to net job Q. Later, this netjob funtion pull the
packet from the network hw and give it to upper layer. Once upper
layer finish processing, it will again give back the buffer to driver,
now, which will be replenish back to network.

Is there any better way of doing replenishment? in order to get better
performance?

thanks,
Madhu.

.

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