From: Kumar Amber <kumar.am...@intel.com>
The refactor allows us to use hash function accross
multiple files which was earlier restricted to
dpif-netdev.c only. This patch enables the use of
the hash function in avx512 dpif.
Signed-off-by: Kumar Amber <kumar.am...@intel.com>
Signed-off-by: Cian Ferriter <cian.ferri...@intel.com>
Co-authored-by: Cian Ferriter <cian.ferri...@intel.com>
Acked-by: Sunil Pai G <sunil.pa...@intel.com>
---
lib/dpif-netdev-private-dpcls.h | 23 +++++++++++++++++++++++
lib/dpif-netdev.c | 22 ----------------------
2 files changed, 23 insertions(+), 22 deletions(-)
diff --git a/lib/dpif-netdev-private-dpcls.h b/lib/dpif-netdev-private-dpcls.h
index 2a9279437..1b37ecb16 100644
--- a/lib/dpif-netdev-private-dpcls.h
+++ b/lib/dpif-netdev-private-dpcls.h
@@ -25,6 +25,7 @@
#include "cmap.h"
#include "openvswitch/thread.h"
+#include "dpif-netdev-private-dpif.h"
#ifdef __cplusplus
extern "C" {
@@ -125,6 +126,28 @@ dpif_netdev_packet_get_rss_hash_orig_pkt(struct dp_packet
*packet,
return hash;
}
+static inline uint32_t
+dpif_netdev_packet_get_rss_hash(struct dp_packet *packet,
+ const struct miniflow *mf)
+{
+ uint32_t hash, recirc_depth;
+
+ if (OVS_LIKELY(dp_packet_rss_valid(packet))) {
+ hash = dp_packet_get_rss_hash(packet);
+ } else {
+ hash = miniflow_hash_5tuple(mf, 0);
+ dp_packet_set_rss_hash(packet, hash);
+ }
+
+ /* The RSS hash must account for the recirculation depth to avoid
+ * collisions in the exact match cache */
+ recirc_depth = *recirc_depth_get_unsafe();
+ if (OVS_UNLIKELY(recirc_depth)) {
+ hash = hash_finish(hash, recirc_depth);
+ }
+ return hash;
+}
+
/* Allow other implementations to call dpcls_lookup() for subtable search. */
bool
dpcls_lookup(struct dpcls *cls, const struct netdev_flow_key *keys[],
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 4866231a3..92e63599e 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -7806,28 +7806,6 @@ dp_netdev_upcall(struct dp_netdev_pmd_thread *pmd,
struct dp_packet *packet_,
actions, wc, put_actions, dp->upcall_aux);
}
-static inline uint32_t
-dpif_netdev_packet_get_rss_hash(struct dp_packet *packet,
- const struct miniflow *mf)
-{
- uint32_t hash, recirc_depth;
-
- if (OVS_LIKELY(dp_packet_rss_valid(packet))) {
- hash = dp_packet_get_rss_hash(packet);
- } else {
- hash = miniflow_hash_5tuple(mf, 0);
- dp_packet_set_rss_hash(packet, hash);
- }
-
- /* The RSS hash must account for the recirculation depth to avoid
- * collisions in the exact match cache */
- recirc_depth = *recirc_depth_get_unsafe();
- if (OVS_UNLIKELY(recirc_depth)) {
- hash = hash_finish(hash, recirc_depth);
- }
- return hash;
-}
-
struct packet_batch_per_flow {
unsigned int byte_count;
uint16_t tcp_flags;
--
2.25.1
_______________________________________________
dev mailing list
d...@openvswitch.org
https://mail.openvswitch.org/mailman/listinfo/ovs-dev
