On Fri, 14 Sep 2018 13:57:58 +0100 Ferruh Yigit <ferruh.yi...@intel.com> wrote:
> On 8/30/2018 11:35 PM, Stephen Hemminger wrote: > > From: Stephen Hemminger <sthem...@microsoft.com> > > > > Integrate accelerated networking support into netvsc PMD. > > This allows netvsc to manage VF without using failsafe or vdev_netvsc. > > For the exception vswitch path some tests like transmit > > get a 22% increase in packets/sec. > > For the VF path, the code is slightly shorter but has no > > real change in performance. > > > > Pro: > > * using netvsc is more like other DPDK NIC's > > * the exception packet uses less CPU > > * much smaller code size > > * no locking required on VF transmit/receive path > > * no legacy Linux network device to get mangled by userspace > > * much simpler (1K vs 9K) LOC > > * unified extended statistics > > > > Con: > > * using netvsc has more complex startup model > > * no bifurcated driver support > > * no flow support (since host does not have flow API). > > * no tunnel offload support > > * no receive interrupt support > > > > Signed-off-by: Stephen Hemminger <sthem...@microsoft.com> > > --- > > devtools/checkpatches.sh | 2 +- > > doc/guides/nics/netvsc.rst | 12 +- > > doc/guides/rel_notes/release_18_11.rst | 14 +- > > drivers/net/netvsc/Makefile | 1 + > > drivers/net/netvsc/hn_ethdev.c | 109 +++++- > > drivers/net/netvsc/hn_nvs.c | 11 +- > > drivers/net/netvsc/hn_nvs.h | 9 + > > drivers/net/netvsc/hn_rndis.c | 31 ++ > > drivers/net/netvsc/hn_rndis.h | 1 + > > drivers/net/netvsc/hn_rxtx.c | 136 ++++--- > > drivers/net/netvsc/hn_var.h | 43 ++- > > drivers/net/netvsc/hn_vf.c | 512 +++++++++++++++++++++++++ > > drivers/net/netvsc/meson.build | 2 +- > > 13 files changed, 799 insertions(+), 84 deletions(-) > > create mode 100644 drivers/net/netvsc/hn_vf.c > > > > diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh > > index ba795ad1dc36..db7afc43d4c0 100755 > > --- a/devtools/checkpatches.sh > > +++ b/devtools/checkpatches.sh > > @@ -1,4 +1,4 @@ > > -#! /bin/sh > > +#! /bin/bash > > # SPDX-License-Identifier: BSD-3-Clause > > # Copyright 2015 6WIND S.A. > > This tool patch shouldn't be part of driver update, would you mind sending a > separate patch for it? Sorry, that slipped in. Will drop it.
