On 7/28/2020 7:29 AM, Chengchang Tang wrote: > Friendly ping Hi Tang,
Sorry for not making it clear, since it is a library change, the change is already late for this release (20.08), and it will be considered for next release. As current release out, we can continue the discussions. > > 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 >> >> _______________________________________________ >> Linuxarm mailing list >> linux...@huawei.com >> http://hulk.huawei.com/mailman/listinfo/linuxarm >> >> . >> >
