PROX generator: performance optimization (3/4)

The Signature is now written in the pkt template
instead of being written in each packet

Change-Id: I58ca99ff47260b82ce9471b7a47a11edbd14c582
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>

1 files changed, 4 insertions, 13 deletions

diff --git a/VNFs/DPPD-PROX/handle_gen.c b/VNFs/DPPD-PROX/handle_gen.c
index 643c61c5..fcdbcd62 100644
--- a/VNFs/DPPD-PROX/handle_gen.c
+++ b/VNFs/DPPD-PROX/handle_gen.c
@@ -353,9 +353,10 @@ static void task_gen_apply_accur_pos(struct task_gen *task, uint8_t *pkt_hdr, ui
 	*(uint32_t *)(pkt_hdr + task->accur_pos) = accuracy;
 }
 
-static void task_gen_apply_sig(struct task_gen *task, uint8_t *pkt_hdr)
+static void task_gen_apply_sig(struct task_gen *task, struct pkt_template *dst)
 {
-	*(uint32_t *)(pkt_hdr + task->sig_pos) = task->sig;
+	if (task->sig_pos)
+		*(uint32_t *)(dst->buf + task->sig_pos) = task->sig;
 }
 
 static void task_gen_apply_all_accur_pos(struct task_gen *task, struct rte_mbuf **mbufs, uint8_t **pkt_hdr, uint32_t count)
@@ -372,16 +373,6 @@ static void task_gen_apply_all_accur_pos(struct task_gen *task, struct rte_mbuf
 	}
 }
 
-static void task_gen_apply_all_sig(struct task_gen *task, struct rte_mbuf **mbufs, uint8_t **pkt_hdr, uint32_t count)
-{
-	if (!task->sig_pos)
-		return;
-
-	for (uint16_t j = 0; j < count; ++j) {
-		task_gen_apply_sig(task, pkt_hdr[j]);
-	}
-}
-
 static void task_gen_apply_unique_id(struct task_gen *task, uint8_t *pkt_hdr, const struct unique_id *id)
 {
 	struct unique_id *dst = (struct unique_id *)(pkt_hdr + task->packet_id_pos);
@@ -670,7 +661,6 @@ static int handle_gen_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uin
 	task_gen_build_packets(task, new_pkts, pkt_hdr, send_bulk);
 	task_gen_apply_all_random_fields(task, pkt_hdr, send_bulk);
 	task_gen_apply_all_accur_pos(task, new_pkts, pkt_hdr, send_bulk);
-	task_gen_apply_all_sig(task, new_pkts, pkt_hdr, send_bulk);
 	task_gen_apply_all_unique_id(task, new_pkts, pkt_hdr, send_bulk);
 
 	uint64_t tsc_before_tx;
@@ -908,6 +898,7 @@ static void task_gen_reset_pkt_templates_content(struct task_gen *task)
 		src = &task->pkt_template_orig[i];
 		dst = &task->pkt_template[i];
 		memcpy(dst->buf, src->buf, dst->len);
+		task_gen_apply_sig(task, dst);
 	}
 }