Re: [PATCH 2.6.32-rc3] net: VMware virtual Ethernet NIC driver: vmxnet3

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On Thu, 8 Oct 2009 10:59:26 -0700 (PDT)
Shreyas Bhatewara <sbhatewara@xxxxxxxxxx> wrote:

> Hello all,
> 
> I do not mean to be bothersome but this thread has been unusually silent.
> Could you please review the patch for me and reply with your comments / 
> acks ?
> 
> Thanks.
> ->Shreyas  


Looks fine, but just a minor style nit (can be changed after insertion in mainline).

The code:

static void
vmxnet3_do_poll(struct vmxnet3_adapter *adapter, int budget, int *txd_done,
		int *rxd_done)
{
	if (unlikely(adapter->shared->ecr))
		vmxnet3_process_events(adapter);

	*txd_done = vmxnet3_tq_tx_complete(&adapter->tx_queue, adapter);
	*rxd_done = vmxnet3_rq_rx_complete(&adapter->rx_queue, adapter, budget);
}


static int
vmxnet3_poll(struct napi_struct *napi, int budget)
{
	struct vmxnet3_adapter *adapter = container_of(napi,
					  struct vmxnet3_adapter, napi);
	int rxd_done, txd_done;

	vmxnet3_do_poll(adapter, budget, &txd_done, &rxd_done);

	if (rxd_done < budget) {
		napi_complete(napi);
		vmxnet3_enable_intr(adapter, 0);
	}
	return rxd_done;
}


Is simpler if you just have do_poll return rx done value. Probably Gcc
inline's it all anyway.

static int
vmxnet3_do_poll(struct vmxnet3_adapter *adapter, int budget)
{
	if (unlikely(adapter->shared->ecr))
		vmxnet3_process_events(adapter);

	vmxnet3_tq_tx_complete(&adapter->tx_queue, adapter);
	return vmxnet3_rq_rx_complete(&adapter->rx_queue, adapter, budget);
}


static int
vmxnet3_poll(struct napi_struct *napi, int budget)
{
	struct vmxnet3_adapter *adapter = container_of(napi,
					  struct vmxnet3_adapter, napi);
	int rxd_done;

	rxd_done = vmxnet3_do_poll(adapter, budget);
	if (rxd_done < budget) {
		napi_complete(napi);
		vmxnet3_enable_intr(adapter, 0);
	}
	return rxd_done;
}
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