This patch avoids calculating the software hash of the packet again
if the optimized miniflow-extract hit and has already calculated the
packet hash. In cases of scalar miniflow extract, the normal hashing
calculation is performed.
Signed-off-by: Kumar Amber <kumar.am...@intel.com>
---
lib/dpif-netdev-avx512.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/dpif-netdev-avx512.c b/lib/dpif-netdev-avx512.c
index b7131ba3f..c68b79f6b 100644
--- a/lib/dpif-netdev-avx512.c
+++ b/lib/dpif-netdev-avx512.c
@@ -212,15 +212,15 @@ dp_netdev_input_outer_avx512(struct dp_netdev_pmd_thread
*pmd,
if (!mfex_hit) {
/* Do a scalar miniflow extract into keys. */
miniflow_extract(packet, &key->mf);
+ key->len = netdev_flow_key_size(miniflow_n_values(&key->mf));
+ key->hash = dpif_netdev_packet_get_rss_hash_orig_pkt(packet,
+ &key->mf);
}
/* Cache TCP and byte values for all packets. */
pkt_meta[i].bytes = dp_packet_size(packet);
pkt_meta[i].tcp_flags = miniflow_get_tcp_flags(&key->mf);
- key->len = netdev_flow_key_size(miniflow_n_values(&key->mf));
- key->hash = dpif_netdev_packet_get_rss_hash_orig_pkt(packet, &key->mf);
-
if (emc_enabled) {
f = emc_lookup(&cache->emc_cache, key);
--
2.25.1
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