Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-25 Thread Andrew Rybchenko
On 6/24/20 9:32 PM, Ferruh Yigit wrote: > On 6/24/2020 9:52 AM, Ferruh Yigit wrote: >> On 6/24/2020 4:48 AM, Chengchang Tang wrote: >>> >>> On 2020/6/23 17:30, Andrew Rybchenko wrote: On 6/23/20 9:48 AM, Chengchang Tang wrote: > In common practice, PMD configure the rx_buf_size according t

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-24 Thread Ferruh Yigit
On 6/24/2020 9:52 AM, Ferruh Yigit wrote: > On 6/24/2020 4:48 AM, Chengchang Tang wrote: >> >> On 2020/6/23 17:30, Andrew Rybchenko wrote: >>> On 6/23/20 9:48 AM, Chengchang Tang wrote: In common practice, PMD configure the rx_buf_size according to the data room size of the object in memp

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-24 Thread Ferruh Yigit
On 6/24/2020 4:48 AM, Chengchang Tang wrote: > > On 2020/6/23 17:30, Andrew Rybchenko wrote: >> On 6/23/20 9:48 AM, Chengchang Tang wrote: >>> In common practice, PMD configure the rx_buf_size according to the data >>> room size of the object in mempool. But in fact the final value is related >>>

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-23 Thread Chengchang Tang
On 2020/6/23 17:30, Andrew Rybchenko wrote: > On 6/23/20 9:48 AM, Chengchang Tang wrote: >> In common practice, PMD configure the rx_buf_size 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 aff

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-23 Thread Andrew Rybchenko
On 6/23/20 5:48 PM, Stephen Hemminger wrote: > On Tue, 23 Jun 2020 14:48:54 +0800 > Chengchang Tang wrote: > >> In common practice, PMD configure the rx_buf_size 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

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-23 Thread Stephen Hemminger
On Tue, 23 Jun 2020 14:48:54 +0800 Chengchang Tang wrote: > In common practice, PMD configure the rx_buf_size 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 r

Re: [dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-23 Thread Andrew Rybchenko
On 6/23/20 9:48 AM, Chengchang Tang wrote: > In common practice, PMD configure the rx_buf_size 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. >

[dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-22 Thread Chengchang Tang
In common practice, PMD configure the rx_buf_size 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. At present, we seem to have no way to espose relevan

[dpdk-dev] [RFC] ethdev: add a field for rte_eth_rxq_info

2020-06-18 Thread Chengchang Tang
In common practice, PMD configure the rx_buf_size 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. At present, we seem to have no way to espose relevan