[dpdk-dev] [PATCH] net/i40e: fix flow RSS tci using error

Zhao1, Wei wei.zhao1 at intel.com
Wed Apr 4 03:29:10 CEST 2018



> -----Original Message-----
> From: Zhang, Qi Z
> Sent: Tuesday, April 3, 2018 10:03 PM
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Subject: RE: [PATCH] net/i40e: fix flow RSS tci using error
> 
> 
> 
> > -----Original Message-----
> > From: Zhao1, Wei
> > Sent: Tuesday, April 3, 2018 2:10 PM
> > To: dev at dpdk.org
> > Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Zhao1, Wei
> > <wei.zhao1 at intel.com>
> > Subject: [PATCH] net/i40e: fix flow RSS tci using error
> >
> > Vlan tci configuration from testpmd is store in big endian, so it need
> > to be change to little endian before using.
> >
> > Fixes: ecad87d22383 ("net/i40e: move RSS to flow API")
> > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> > Tested-by: Peng Yuan <yuan.peng at intel.com>
> 
> Acked-by: Qi Zhang <qi.z.zhang at intel.com>
> 
> Please don't forget to Cc: stable at dpdk.org, if you fix an issue for previous
> release.

Ok.

> 
> Regards
> Qi
> 
> > ---
> >  drivers/net/i40e/i40e_flow.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/i40e/i40e_flow.c
> > b/drivers/net/i40e/i40e_flow.c index fa562d3..8d0a36b 100644
> > --- a/drivers/net/i40e/i40e_flow.c
> > +++ b/drivers/net/i40e/i40e_flow.c
> > @@ -4151,7 +4151,8 @@ i40e_flow_parse_rss_pattern(__rte_unused
> struct
> > rte_eth_dev *dev,
> >  				if (vlan_mask->tci ==
> >  					rte_cpu_to_be_16(I40E_TCI_MASK))
> {
> >  					info->region[0].user_priority[0] =
> > -						(vlan_spec->tci >> 13) & 0x7;
> > +						(rte_be_to_cpu_16(
> > +						vlan_spec->tci) >> 13) & 0x7;
> >  					info->region[0].user_priority_num =
> 1;
> >  					info->queue_region_number = 1;
> >  					*action_flag = 0;
> > --
> > 2.7.5



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