[dpdk-dev] [PATCH v2] fm10k: enable PCIe port level Loopback Suppression

Bruce Richardson bruce.richardson at intel.com
Thu Feb 25 22:45:46 CET 2016


On Fri, Feb 05, 2016 at 09:25:02AM +0000, Chen, Jing D wrote:
> Hi, 
> 
> Best Regards,
> Mark
> 
> 
> > -----Original Message-----
> > From: He, Shaopeng
> > Sent: Thursday, February 04, 2016 8:43 PM
> > To: dev at dpdk.org
> > Cc: Chen, Jing D; Wang, Xiao W; He, Shaopeng
> > Subject: [PATCH v2] fm10k: enable PCIe port level Loopback Suppression
> > 
> > In FM10K, a single PCIe port can derive out a few logical ports,
> > like SRIOV PF/VF devices, VMDQ objects. To better manage them, FM10K
> > silicon assigned a Unique GLORT ID to each logical ports.
> > When a logical port sends a broadcast packet, the silicon will flood
> > it to all Logical ports, including the one sent the broadcast packet.
> > To prevent this, silicon has a rxq register to fill the glort id of
> > the logical port that queue binds to.
> > FM10K has a switch core inside, which has another loopback suppression
> > mechanism in the switch level. Switch level loopback suppression mostly
> > works for the ether port traffic.
> > This patch assigns a SGLORT for each RX queue, and enables PCIe port
> > level Loopback Suppression.
> > 
> > Signed-off-by: Shaopeng He <shaopeng.he at intel.com>
> Acked-by : Jing Chen <jing.d.chen at intel.com>
> 
Applied to dpdk-next-net/rel_16_04

/Bruce


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