[dpdk-dev] [PATCH v3 2/7] mbuf: use the reserved 16 bits for double vlan

[Thomas Monjalon]

Neil, Olivier,
Your opinions are requested here.
Thanks

2015-06-25 08:31, Zhang, Helin:
> Hi Neil
[...]
> > -279,7 +285,7 @@ struct rte_mbuf {
> >     uint16_t data_len;        /**< Amount of data in segment buffer. */
> >     uint32_t pkt_len;         /**< Total pkt len: sum of all segments. */
> >     uint16_t vlan_tci;        /**< VLAN Tag Control Identifier (CPU order) 
> > */
> > -   uint16_t reserved;
> > +   uint16_t vlan_tci_outer;  /**< Outer VLAN Tag Control Identifier (CPU
> > +order) */
> Do you think here is a ABI break or not? Just using the reserved 16 bits, 
> which was
> intended for the second_vlan_tag. Thanks in advance!
> I did not see any "Incompatible" reported by validate_abi.sh.
> 
> Regards,
> Helin