Hi Stephen, > -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Stephen Hemminger > Sent: Tuesday, May 26, 2015 3:55 PM > To: Zhang, Helin > Cc: dev at dpdk.org > Subject: Re: [dpdk-dev] [PATCH 2/5] mbuf: use the reserved 16 bits for double > vlan > > On Tue, 26 May 2015 16:36:37 +0800 > Helin Zhang <helin.zhang at intel.com> wrote: > > > Use the reserved 16 bits in rte_mbuf structure for the outer vlan, > > also add QinQ offloading flags for both RX and TX sides. > > > > Signed-off-by: Helin Zhang <helin.zhang at intel.com> > > Yet another change that is much needed, but breaks ABI compatibility.
Why do you think it breaks ABI compatibility? As I can see, it uses field that was reserved. Konstantin