Friendly ping
On 2020/7/22 14:38, Chengchang Tang wrote:
> In common practice, PMD configure the rx buffer size which indicate the
> buffer length could be used for hw in receiving packts according to the
> data room size of the object in mempool. But in fact the final value is
> related to the specifications of hw, and its values will affect the number
> of fragments in recieving pkts when scatter is enabled. By the way, some
> PMDs may force to enable scatter when the MTU is bigger than the hw rx
> buffer size.
>
> At present, we seem to have no way to expose relevant information to upper
> layer users.
>
> So, add a field named rx_buf_size in rte_eth_rxq_info to indicate the
> buffer size used in recieving pkts for hw. And this patchset also add hns3
> PMD implementation and update the testpmd to clarify intention.
>
> v2:
> Add hns3 implementation and update testpmd.
>
> Chengchang Tang (2):
> ethdev: add a field for rte_eth_rxq_info
> app/testpmd: Add RX buffer size dispaly in queue info querry
>
> Huisong Li (1):
> net/hns3: add support for query of rx/tx queue info
>
> app/test-pmd/config.c | 1 +
> drivers/net/hns3/hns3_ethdev.c | 2 ++
> drivers/net/hns3/hns3_ethdev_vf.c | 2 ++
> drivers/net/hns3/hns3_rxtx.c | 48
> +++++++++++++++++++++++++++++++++++++++
> drivers/net/hns3/hns3_rxtx.h | 4 ++++
> lib/librte_ethdev/rte_ethdev.h | 2 ++
> 6 files changed, 59 insertions(+)
>
> --
> 2.7.4
>
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