> -----Original Message----- > From: Olivier Matz [mailto:olivier.matz at 6wind.com] > Sent: Wednesday, June 15, 2016 12:48 PM > To: dev at dpdk.org > Cc: johndale at cisco.com; Ananyev, Konstantin; Zhang, Helin; > adrien.mazarguil at 6wind.com; rahul.lakkireddy at chelsio.com; > alejandro.lucero at netronome.com; sony.chacko at qlogic.com > Subject: [PATCH v3] mbuf: new flag when Vlan is stripped > > The behavior of PKT_RX_VLAN_PKT was not very well defined, resulting in > PMDs not advertising the same flags in similar conditions. > > Following discussion in [1], introduce 2 new flags PKT_RX_VLAN_STRIPPED > and PKT_RX_QINQ_STRIPPED that are better defined: > > PKT_RX_VLAN_STRIPPED: a vlan has been stripped by the hardware and its > tci is saved in mbuf->vlan_tci. This can only happen if vlan stripping > is enabled in the RX configuration of the PMD. > > For now, the old flag PKT_RX_VLAN_PKT is kept but marked as deprecated. > It should be removed from applications and PMDs in a future revision. > > This patch also updates the drivers. For PKT_RX_VLAN_PKT: > > - e1000, enic, i40e, mlx5, nfp, vmxnet3: done, PKT_RX_VLAN_PKT already > had the same meaning than PKT_RX_VLAN_STRIPPED, minor update is > required. > - fm10k: done, PKT_RX_VLAN_PKT already had the same meaning than > PKT_RX_VLAN_STRIPPED, and vlan stripping is always enabled on fm10k. > - ixgbe: modification done (vector and normal), the old flag was set > when a vlan was recognized, even if vlan stripping was disabled. > - the other drivers do not support vlan stripping. > > For PKT_RX_QINQ_PKT, it was only supported on i40e, and the behavior was > already correct, so we can reuse the same bit value for > PKT_RX_QINQ_STRIPPED. > > [1] http://dpdk.org/ml/archives/dev/2016-April/037837.html, > > Signed-off-by: Olivier Matz <olivier.matz at 6wind.com> > ---
Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>