Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-25 Thread Jerin Jacob
On Wed, Oct 23, 2019 at 4:54 PM Shahaf Shuler wrote: > > Tuesday, October 22, 2019 6:17 PM, Jerin Jacob: > > > > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > > packet > > [...] > > > > > I think, pushing this logic to th

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-23 Thread Shahaf Shuler
Tuesday, October 22, 2019 6:17 PM, Jerin Jacob: > > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > packet [...] > > > I think, pushing this logic to the application is bad idea. But if > > > you are writing some custom application a

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-22 Thread Jerin Jacob
On Tue, Oct 22, 2019 at 11:56 AM Shahaf Shuler wrote: > > Thursday, October 17, 2019 8:19 PM, Jerin Jacob: > > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > > packet > > > > On Thu, Oct 17, 2019 at 4:30 PM Shahaf Shuler > > wrote: &g

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-21 Thread Shahaf Shuler
Thursday, October 17, 2019 6:15 PM, Stephen Hemminger: > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > packet > > On Thu, 17 Oct 2019 07:27:34 + > Shahaf Shuler wrote: > > > Some PMDs inline the mbuf data buffer directly to device. This is

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-21 Thread Shahaf Shuler
Thursday, October 17, 2019 8:19 PM, Jerin Jacob: > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > packet > > On Thu, Oct 17, 2019 at 4:30 PM Shahaf Shuler > wrote: > > > > Thursday, October 17, 2019 11:17 AM, Jerin Jacob: > > > Subj

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-17 Thread Jerin Jacob
On Thu, Oct 17, 2019 at 4:30 PM Shahaf Shuler wrote: > > Thursday, October 17, 2019 11:17 AM, Jerin Jacob: > > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > > packet > > > > On Thu, Oct 17, 2019 at 12:57 PM Shahaf Shuler > > wrote: &

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-17 Thread Stephen Hemminger
On Thu, 17 Oct 2019 07:27:34 + Shahaf Shuler wrote: > Some PMDs inline the mbuf data buffer directly to device. This is in > order to save the overhead of the PCI headers involved when the device > DMA read the buffer pointer. For some devices it is essential in order > to reach the pick BW.

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-17 Thread Shahaf Shuler
Thursday, October 17, 2019 11:17 AM, Jerin Jacob: > Subject: Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline > packet > > On Thu, Oct 17, 2019 at 12:57 PM Shahaf Shuler > wrote: > > > > Some PMDs inline the mbuf data buffer directly to device. This

Re: [dpdk-dev] [RFC PATCH 20.02] mbuf: hint PMD not to inline packet

2019-10-17 Thread Jerin Jacob
On Thu, Oct 17, 2019 at 12:57 PM Shahaf Shuler wrote: > > Some PMDs inline the mbuf data buffer directly to device. This is in > order to save the overhead of the PCI headers involved when the device > DMA read the buffer pointer. For some devices it is essential in order > to reach the pick BW. >