--- a/nss_udp_st_tx.c
+++ b/nss_udp_st_tx.c
@@ -18,7 +18,7 @@
 
 #include <linux/list.h>
 #include <linux/string.h>
-#include <linux/hrtimer.h>
+// #include <linux/hrtimer.h>
 #include <net/act_api.h>
 #include <net/netfilter/nf_conntrack_core.h>
 #include <linux/if_vlan.h>
@@ -34,6 +34,9 @@ static enum hrtimer_restart tx_hr_restar
 static struct vlan_hdr vh;
 static struct net_device *xmit_dev;
 static struct pppoe_opt info;
+extern void hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode);
+extern void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,enum hrtimer_mode mode);
+extern int hrtimer_cancel(struct hrtimer *timer);
 
 /*
  * nss_udp_st_generate_ipv4_hdr()
@@ -576,3 +579,6 @@ bool nss_udp_st_tx(void)
 
 	return true;
 }
+MODULE_AUTHOR("Qualcomm Technologies");
+MODULE_DESCRIPTION("NSS UDP Speedtest");
+MODULE_LICENSE("Dual BSD/GPL");