2015-07-15 23:57, Zhang, Helin: > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > > A packet is tunnelled if the tunnel type is identified or if it has an > > inner part. > > > > Fix also a typo in RTE_PTYPE_INNER_L3_MASK. > > > > Fixes: f295a00a2b44 ("mbuf: add definitions of unified packet types") > > > > Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com> |...] > > /* Check if it is a tunneling packet */ > > -#define RTE_ETH_IS_TUNNEL_PKT(ptype) ((ptype) & RTE_PTYPE_TUNNEL_MASK) > > +#define RTE_ETH_IS_TUNNEL_PKT(ptype) ((ptype) & (RTE_PTYPE_TUNNEL_MASK | \ > > + RTE_PTYPE_INNER_L2_MASK | \ > > + RTE_PTYPE_INNER_L3_MASK | \ > > + RTE_PTYPE_INNER_L4_MASK)) > > Could you help to explain more of why here? > My understanding is that if an inner one can be recognized, there must be a > tunnel type there.
Not always. It was my comment in mlx4 patch: http://dpdk.org/ml/archives/dev/2015-July/021702.html Currently we can know that mlx4 has detected a tunnel but don't know which one.