[dpdk-dev] [PATCH v4 4/6] i40e: add Tx preparation

[Kulasek, TomaszX]

Hi Jingjing,

> -----Original Message-----
> From: Wu, Jingjing
> Sent: Monday, October 10, 2016 16:03
> To: Kulasek, TomaszX <tomaszx.kulasek at intel.com>; dev at dpdk.org
> Cc: Ananyev, Konstantin <konstantin.ananyev at intel.com>; Kulasek, TomaszX
> <tomaszx.kulasek at intel.com>
> Subject: RE: [dpdk-dev] [PATCH v4 4/6] i40e: add Tx preparation
> 
> >  #include "i40e_logs.h"
> >  #include "base/i40e_prototype.h"
> > @@ -79,6 +81,17 @@
> >  		PKT_TX_TCP_SEG |		 \
> >  		PKT_TX_OUTER_IP_CKSUM)
> >
> > +#define I40E_TX_OFFLOAD_MASK (  \
> > +		PKT_TX_IP_CKSUM |       \
> > +		PKT_TX_L4_MASK |        \
> > +		PKT_TX_OUTER_IP_CKSUM | \
> > +		PKT_TX_TCP_SEG |        \
> > +		PKT_TX_QINQ_PKT |       \
> > +		PKT_TX_VLAN_PKT)
> > +
> More TX flags are added for tunneling as below.
> /**
>  * Bits 45:48 used for the tunnel type.
>  * When doing Tx offload like TSO or checksum, the HW needs to configure
> the
>  * tunnel type into the HW descriptors.
>  */
> #define PKT_TX_TUNNEL_VXLAN   (0x1ULL << 45)
> #define PKT_TX_TUNNEL_GRE     (0x2ULL << 45)
> #define PKT_TX_TUNNEL_IPIP    (0x3ULL << 45)
> #define PKT_TX_TUNNEL_GENEVE  (0x4ULL << 45)
> /* add new TX TUNNEL type here */
> #define PKT_TX_TUNNEL_MASK    (0xFULL << 45)
> 
> Please check:
> commit 63c0d74daaa9a807fbca8a3e363bbe41d6fb715f
> Author: Jianfeng Tan <jianfeng.tan at intel.com>
> Date:   Mon Aug 1 03:56:53 2016 +0000
> 
>     mbuf: add Tx side tunneling type
> 
> 
> Thanks
> Jingjing

Thanks for spotting this, I will send updated v5.

Tomasz