Re: [dpdk-dev] [PATCH v2] net/i40e: set no drop for traffic class

2017-02-09 Thread Ferruh Yigit
On 2/7/2017 3:25 PM, Wu, Jingjing wrote: > > >> -Original Message- >> From: Sexton, Rory >> Sent: Thursday, January 19, 2017 6:38 PM >> To: Wu, Jingjing >> Cc: dev@dpdk.org; Marjanovic, Nemanja >> Subject: RE: [PATCH v2] net/i40e: set no drop for traffic class >> >> Perhaps the best sol

Re: [dpdk-dev] [PATCH v2] net/i40e: set no drop for traffic class

2017-02-07 Thread Wu, Jingjing
> -Original Message- > From: Sexton, Rory > Sent: Thursday, January 19, 2017 6:38 PM > To: Wu, Jingjing > Cc: dev@dpdk.org; Marjanovic, Nemanja > Subject: RE: [PATCH v2] net/i40e: set no drop for traffic class > > Perhaps the best solution is as suggested to set > rte_eth_conf.dcb_cap

Re: [dpdk-dev] [PATCH v2] net/i40e: set no drop for traffic class

2017-01-19 Thread Sexton, Rory
Perhaps the best solution is as suggested to set rte_eth_conf.dcb_capability_en = ETH_DCB_PFC_SUPPORT rte_eth_conf.rxmode.mq_mode = ETH_MQ_RX_DCB_FLAG and set rte_eth_dcb_rx_conf.nb_tcs to the number of tc's to apply Using this port configuration will give the same behavior of the patch and it rem

Re: [dpdk-dev] [PATCH v2] net/i40e: set no drop for traffic class

2017-01-17 Thread Wu, Jingjing
> -Original Message- > From: Sexton, Rory > Sent: Monday, January 16, 2017 11:52 PM > To: Wu, Jingjing > Cc: dev@dpdk.org; Sexton, Rory ; Marjanovic, > Nemanja > Subject: [PATCH v2] net/i40e: set no drop for traffic class > > From: Rory Sexton > > The default traffic class in i40e is

[dpdk-dev] [PATCH v2] net/i40e: set no drop for traffic class

2017-01-16 Thread rory . sexton
From: Rory Sexton The default traffic class in i40e is set to drop versus on ixgbe it isset to no drop. This means when packets build up in the RX SRAM on the NIC, they are dropped, and they do this when the SW descriptor rings fill up. This patch changes this behaviour and our testing shows the