On Mon, 6 Feb 2017 03:02:12 +0000, "Wu, Jingjing"
<jingjing...@intel.com> wrote:
> > 
> > Functionally will be same, but what do you think about following,
> > to make easy to see what define adds:
> > 
> > +#define I40E_TX_OFFLOAD_MASK (              \
> > +           PKT_TX_IP_CKSUM |        \
> > +           PKT_TX_IPV4 |            \
> > +           PKT_TX_IPV6 |            \
> > +           PKT_TX_L4_MASK |         \
> > +           PKT_TX_OUTER_IP_CKSUM |  \
> > +           PKT_TX_OUTER_IPV4 |      \
> > +           PKT_TX_OUTER_IPV6 |      \
> > 
> > +#ifdef RTE_LIBRTE_IEEE1588
> > +           PKT_TX_IEEE1588_TMST |   \
> > +#endif
> > 
> > +           PKT_TX_TCP_SEG |         \
> > +           PKT_TX_QINQ_PKT |        \
> > +           PKT_TX_VLAN_PKT |        \
> > +           PKT_TX_TUNNEL_MASK)
> >   
> 
> Hi, Ferruh
> 
> As I know, the above change is incorrect in C code. We cannot use
> #ifdef  #endif inside #define
> 
> Thanks
> Jingjing


You can do:

#ifdef RTE_LIBRTE_IEEE1588
#define I40_TX_IEEE1588_TMST PKT_TX_IEEE1588_TMST
#else
#define I40_TX_IEEE1588_TMST 0
#endif

#define I40E_TX_OFFLOAD_MASK (   \
        I40_TX_IEEE1588_TMST |   \
        PKT_TX_IP_CKSUM |        \
        ...


Regards,
Olivier

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