> -----Original Message-----
> From: Xu, Rosen
> Sent: Tuesday, August 14, 2018 7:45 AM
> To: Jerin Jacob <[email protected]>
> Cc: [email protected]; Dumitrescu, Cristian <[email protected]>;
> Lu, Wenzhuo <[email protected]>; Singh, Jasvinder
> <[email protected]>; Yigit, Ferruh <[email protected]>;
> [email protected]
> Subject: RE: [dpdk-dev] [RFC] ethdev: add tail drop API for traffic
> management
>
>
>
> > -----Original Message-----
> > From: Jerin Jacob [mailto:[email protected]]
> > Sent: Tuesday, August 14, 2018 14:06
> > To: Xu, Rosen <[email protected]>
> > Cc: [email protected]; Dumitrescu, Cristian <[email protected]>;
> Lu,
> > Wenzhuo <[email protected]>; Singh, Jasvinder
> > <[email protected]>; Yigit, Ferruh <[email protected]>;
> > [email protected]
> > Subject: Re: [dpdk-dev] [RFC] ethdev: add tail drop API for traffic
> > management
> >
> > -----Original Message-----
> > > Date: Mon, 13 Aug 2018 15:53:32 +0800
> > > From: Rosen Xu <[email protected]>
> > > To: [email protected]
> > > CC: [email protected], [email protected],
> > > [email protected], [email protected], [email protected]
> > > Subject: [dpdk-dev] [RFC] ethdev: add tail drop API for traffic
> > > management
> > > X-Mailer: git-send-email 1.8.3.1
> > >
> > >
> > > This patch introduces new ethdev generic Tail Drop API for Traffic
> > > Management, which is yet another standard congestion management
> > > offload for Ethernet devices.
> > >
> > > Tail Drop is about packets dropping when they arrive on a congested
> > > interface buffer. It's one mode of congestion management for hierarchy
> > > leaf nodes.
> > >
> > > There are two configuration parameters for Tail Drop:
> > > 1. Buffer Depth: determine the depth of receive fifo for packet RX.
> >
This scheme is a sort of WRED-lite, so Rosen and I decided to look at fitting
the driver he's currently working on under the WRED scheme; we can take another
look at this if any significant issues are to be found (unlikely).
Regards,
Cristian
