Re: [ovs-dev] [RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing

2017-12-12 Thread Chandran, Sugesh
ara > <ciara.lof...@intel.com>; > santosh.shu...@caviumnetworks.com > Subject: RE: [ovs-dev][RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing > > >From: Chandran, Sugesh > >Sent: Friday, December 8, 2017 5:48 PM > >To: Kavanagh, Mark B <mark.b.kavan...@intel

Re: [ovs-dev] [RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing

2017-12-12 Thread Kavanagh, Mark B
d...@chinac.com >> Cc: Stokes, Ian <ian.sto...@intel.com>; Loftus, Ciara ><ciara.lof...@intel.com>; >> santosh.shu...@caviumnetworks.com; Chandran, Sugesh >> <sugesh.chand...@intel.com>; Kavanagh, Mark B >> <mark.b.kavan...@intel.com> >> Subject: [

Re: [ovs-dev] [RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing

2017-12-08 Thread Chandran, Sugesh
u...@caviumnetworks.com; Chandran, Sugesh > <sugesh.chand...@intel.com>; Kavanagh, Mark B > <mark.b.kavan...@intel.com> > Subject: [ovs-dev][RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing > > There are numerous factors that must be considered when calculating > the

[ovs-dev] [RFC PATCH V4 1/9] netdev-dpdk: fix mbuf sizing

2017-12-08 Thread Mark Kavanagh
There are numerous factors that must be considered when calculating the size of an mbuf: - the data portion of the mbuf must be sized in accordance With Rx buffer alignment (typically 1024B). So, for example, in order to successfully receive and capture a 1500B packet, mbufs with a data