diff options
Diffstat (limited to 'src/dpdk/lib/librte_eal/common/eal_common_timer.c')
| -rw-r--r-- | src/dpdk/lib/librte_eal/common/eal_common_timer.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/dpdk/lib/librte_eal/common/eal_common_timer.c b/src/dpdk/lib/librte_eal/common/eal_common_timer.c index c4227cd8..72656176 100644 --- a/src/dpdk/lib/librte_eal/common/eal_common_timer.c +++ b/src/dpdk/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); +} |