On Thu, Nov 18, 2021 at 12:28 AM <eagost...@nvidia.com> wrote: > > From: Elena Agostini <eagost...@nvidia.com> > > This patch introduces ethdev in test-gpudev app to provide: > - an example to show how GPU memory can be used to send and receive packets > - an useful tool to measure network metrics when using GPU memory with > io forwarding > > With this feature test-gpudev can: > - RX packets in CPU or GPU memory > - Store packets in the gpudev communication list > - TX receive packets from the communication list > > It's a simulation of a multi-core application. > > Signed-off-by: Elena Agostini <eagost...@nvidia.com> > --- > app/test-gpudev/main.c | 471 +++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 452 insertions(+), 19 deletions(-) > > diff --git a/app/test-gpudev/main.c b/app/test-gpudev/main.c > index 250fba6427..daa586c64e 100644 > --- a/app/test-gpudev/main.c > +++ b/app/test-gpudev/main.c > @@ -10,6 +10,8 @@ > #include <stdarg.h> > #include <errno.h> > #include <getopt.h> > +#include <stdbool.h> > +#include <signal.h> > > #include <rte_common.h> > #include <rte_malloc.h> > @@ -19,22 +21,98 @@ > #include <rte_ethdev.h> > #include <rte_mempool.h> > #include <rte_mbuf.h> > +#include <rte_launch.h> > +#include <rte_lcore.h> > +#include <rte_per_lcore.h> > > #include <rte_gpudev.h> > > +#ifndef ACCESS_ONCE > +#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&x) > +#endif > + > +#ifndef WRITE_ONCE > +#define WRITE_ONCE(x, v) (ACCESS_ONCE(x) = (v)) > +#endif
Better to have a public version of this macro as it uses just in this test application.
