[dpdk-dev] [PATCH v2] net/hns3: support Tx push quick doorbell to improve perf

Stephen Hemminger stephen at networkplumber.org
Tue Jun 15 04:36:40 CEST 2021


On Tue, 15 Jun 2021 09:34:29 +0800
"Min Hu (Connor)" <humin29 at huawei.com> wrote:

> +	return (void *)((char *)pci_dev->mem_resource[bar_id].addr +
> +			(pci_dev->mem_resource[bar_id].len >> 1) +
> +			HNS3_TX_PUSH_TQP_REGION_SIZE * queue_id +
> +			HNS3_TX_PUSH_QUICK_DOORBELL_OFFSET);

Minor nit: cast here (in C) is unnecessary. C will automatically
cast the return any pointer type to void *


More information about the dev mailing list