X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_timer.c;h=72656176e611c5eb56557f236e69dcfee804f552;hb=6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9;hp=c4227cd85deabe3e043222651f6ac4f0695c13f7;hpb=97f17497d162afdb82c8704bf097f0fee3724b2e;p=deb_dpdk.git

diff --git a/lib/librte_eal/common/eal_common_timer.c b/lib/librte_eal/common/eal_common_timer.c
index c4227cd8..72656176 100644
--- a/lib/librte_eal/common/eal_common_timer.c
+++ b/lib/librte_eal/common/eal_common_timer.c
@@ -47,8 +47,11 @@
 /* The frequency of the RDTSC timer resolution */
 static uint64_t eal_tsc_resolution_hz;
 
+/* Pointer to user delay function */
+void (*rte_delay_us)(unsigned int) = NULL;
+
 void
-rte_delay_us(unsigned us)
+rte_delay_us_block(unsigned int us)
 {
 	const uint64_t start = rte_get_timer_cycles();
 	const uint64_t ticks = (uint64_t)us * rte_get_timer_hz() / 1E6;
@@ -84,3 +87,15 @@ set_tsc_freq(void)
 	RTE_LOG(DEBUG, EAL, "TSC frequency is ~%" PRIu64 " KHz\n", freq / 1000);
 	eal_tsc_resolution_hz = freq;
 }
+
+void rte_delay_us_callback_register(void (*userfunc)(unsigned int))
+{
+	rte_delay_us = userfunc;
+}
+
+static void __attribute__((constructor))
+rte_timer_init(void)
+{
+	/* set rte_delay_us_block as a delay function */
+	rte_delay_us_callback_register(rte_delay_us_block);
+}