New upstream version 18.11-rc1

[deb_dpdk.git] / lib / librte_latencystats / rte_latencystats.c

diff --git a/lib/librte_latencystats/rte_latencystats.c b/lib/librte_latencystats/rte_latencystats.c
index 1fdec68..5715549 100644 (file)
--- a/lib/librte_latencystats/rte_latencystats.c
+++ b/lib/librte_latencystats/rte_latencystats.c
@@ -125,8 +125,11 @@ add_time_stamps(uint16_t pid __rte_unused,
        for (i = 0; i < nb_pkts; i++) {
                diff_tsc = now - prev_tsc;
                timer_tsc += diff_tsc;
-               if (timer_tsc >= samp_intvl) {
+
+               if ((pkts[i]->ol_flags & PKT_RX_TIMESTAMP) == 0
+                               && (timer_tsc >= samp_intvl)) {
                        pkts[i]->timestamp = now;
+                       pkts[i]->ol_flags |= PKT_RX_TIMESTAMP;
                        timer_tsc = 0;
                }
                prev_tsc = now;
@@ -156,7 +159,7 @@ calc_latency(uint16_t pid __rte_unused,
 
        now = rte_rdtsc();
        for (i = 0; i < nb_pkts; i++) {
-               if (pkts[i]->timestamp)
+               if (pkts[i]->ol_flags & PKT_RX_TIMESTAMP)
                        latency[cnt++] = now - pkts[i]->timestamp;
        }