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dpif-netdev: Add command line and function pointer for miniflow extract

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This patch introduces the MFEX function pointers which allows
the user to switch between different miniflow extract implementations
which are provided by the OVS based on optimized ISA CPU.

The user can query for the available minflow extract variants available
for that CPU by following commands:

$ovs-appctl dpif-netdev/miniflow-parser-get

Similarly an user can set the miniflow implementation by the following
command :

$ ovs-appctl dpif-netdev/miniflow-parser-set name

This allows for more performance and flexibility to the user to choose
the miniflow implementation according to the needs.

Signed-off-by: Kumar Amber <kumar.amber@intel.com>
Co-authored-by: Harry van Haaren <harry.van.haaren@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
This commit is contained in:
Kumar Amber
2021-07-15 21:36:07 +05:30
committed by Ian Stokes
parent 3e82604b7c
commit 3d8f47bc04
7 changed files with 419 additions and 5 deletions
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8
lib/dpif-netdev-private-thread.h
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@@ -27,6 +27,11 @@
#include <stdint.h>
#include "cmap.h"
#include "dpif-netdev-private-dfc.h"
#include "dpif-netdev-private-dpif.h"
#include "dpif-netdev-perf.h"
#include "dpif-netdev-private-extract.h"
#include "openvswitch/thread.h"
#ifdef __cplusplus
@@ -110,6 +115,9 @@ struct dp_netdev_pmd_thread {
/* Pointer for per-DPIF implementation scratch space. */
void *netdev_input_func_userdata;
/* Function pointer to call for miniflow_extract() functionality. */
ATOMIC(miniflow_extract_func) miniflow_extract_opt;
struct seq *reload_seq;
uint64_t last_reload_seq;