On Fri, Jul 09, 2021 at 05:35:55PM +0530, kumar Amber wrote:
> From: Kumar Amber
>
> This commit adds a new command to allow the user to enable
> autovalidatior by default at build time thus allowing for
> runnig unit test by default.
>
> $ ./configure --enable-mfex-default-autovalidator
>
> Signed-off-by: Kumar Amber
> Co-authored-by: Harry van Haaren
> Signed-off-by: Harry van Haaren
>
> ---
> v7:
> - fix review commens(Eelco, Flavio)
> v5:
> - fix review comments(Ian, Flavio, Eelco)
> ---
> ---
> Documentation/topics/dpdk/bridge.rst | 5 +
> NEWS | 5 +++--
> acinclude.m4 | 16
> configure.ac | 1 +
> lib/dpif-netdev-private-extract.c| 9 -
> 5 files changed, 33 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/topics/dpdk/bridge.rst
> b/Documentation/topics/dpdk/bridge.rst
> index 7c618cf1f..4db416ddd 100644
> --- a/Documentation/topics/dpdk/bridge.rst
> +++ b/Documentation/topics/dpdk/bridge.rst
> @@ -307,3 +307,8 @@ implementations provide the same results.
> To set the Miniflow autovalidator, use this command ::
>
> $ ovs-appctl dpif-netdev/miniflow-parser-set autovalidator
> +
> +A compile time option is available in order to test it with the OVS unit
> +test suite. Use the following configure option ::
> +
> +$ ./configure --enable-mfex-default-autovalidator
> diff --git a/NEWS b/NEWS
> index 95bf386e3..3addb8616 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -31,9 +31,11 @@ Post-v2.15.0
> * Add command line option to switch between mfex function pointers.
> * Add miniflow extract auto-validator function to compare different
> miniflow extract implementations against default implementation.
> -* Add study function to miniflow function table which studies packet
> + * Add study function to miniflow function table which studies packet
I guess I commented out in the patch introducing this.
Please fix there instead.
> and automatically chooses the best miniflow implementation for that
> traffic.
> + * Add build time configure command to enable auto-validatior as default
> + miniflow implementation at build time.
> - ovs-ctl:
> * New option '--no-record-hostname' to disable hostname configuration
> in ovsdb on startup.
> @@ -50,7 +52,6 @@ Post-v2.15.0
> * New option '--election-timer' to the 'create-cluster' command to set
> the
> leader election timer during cluster creation.
>
> -
> v2.15.0 - 15 Feb 2021
> -
> - OVSDB:
> diff --git a/acinclude.m4 b/acinclude.m4
> index 343303447..5a48f0335 100644
> --- a/acinclude.m4
> +++ b/acinclude.m4
> @@ -14,6 +14,22 @@
> # See the License for the specific language governing permissions and
> # limitations under the License.
>
> +dnl Set OVS MFEX Autovalidator as default miniflow extract at compile time?
> +dnl This enables automatically running all unit tests with all MFEX
> +dnl implementations.
> +AC_DEFUN([OVS_CHECK_MFEX_AUTOVALIDATOR], [
> + AC_ARG_ENABLE([mfex-default-autovalidator],
> +[AC_HELP_STRING([--enable-mfex-default-autovalidator],
> [Enable MFEX autovalidator as default miniflow_extract implementation.])],
> +[autovalidator=yes],[autovalidator=no])
> + AC_MSG_CHECKING([whether MFEX Autovalidator is default implementation])
> + if test "$autovalidator" != yes; then
> +AC_MSG_RESULT([no])
> + else
> +OVS_CFLAGS="$OVS_CFLAGS -DMFEX_AUTOVALIDATOR_DEFAULT"
> +AC_MSG_RESULT([yes])
> + fi
> +])
> +
> dnl Set OVS DPCLS Autovalidator as default subtable search at compile time?
> dnl This enables automatically running all unit tests with all DPCLS
> dnl implementations.
> diff --git a/configure.ac b/configure.ac
> index e45685a6c..46c402892 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -186,6 +186,7 @@ OVS_ENABLE_SPARSE
> OVS_CTAGS_IDENTIFIERS
> OVS_CHECK_DPCLS_AUTOVALIDATOR
> OVS_CHECK_DPIF_AVX512_DEFAULT
> +OVS_CHECK_MFEX_AUTOVALIDATOR
> OVS_CHECK_BINUTILS_AVX512
>
> AC_ARG_VAR(KARCH, [Kernel Architecture String])
> diff --git a/lib/dpif-netdev-private-extract.c
> b/lib/dpif-netdev-private-extract.c
> index bb7c98f31..be8c69408 100644
> --- a/lib/dpif-netdev-private-extract.c
> +++ b/lib/dpif-netdev-private-extract.c
> @@ -80,13 +80,20 @@ dp_mfex_impl_get_default(void)
> /* For the first call, this will be NULL. Compute the compile time
> default.
> */
> if (OVS_UNLIKELY(!default_mfex_func_set)) {
> +
> +#ifdef MFEX_AUTOVALIDATOR_DEFAULT
> +VLOG_INFO("Default miniflow Extract implementation %s",
> + mfex_impls[MFEX_IMPL_AUTOVALIDATOR].name);
> +atomic_store_relaxed(mfex_func, (uintptr_t) mfex_impls
> + [MFEX_IMPL_AUTOVALIDATOR].extract_func);
> +#else
> VLOG_INFO("Default MFEX implementation is %s.\n",
>mfex_impls[MFEX_IM
