diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-08 14:07:29 +0100 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-08 14:10:05 +0100 |
| commit | 6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9 (patch) | |
| tree | 1b1fb3f903b2282e261ade69e3c17952b3fd3464 /lib/librte_eal/common/eal_common_timer.c | |
| parent | 32e04ea00cd159613e04acef75e52bfca6eeff2f (diff) | |
Imported Upstream version 16.11
Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_eal/common/eal_common_timer.c')
| -rw-r--r-- | lib/librte_eal/common/eal_common_timer.c | 17 |
1 files changed, 16 insertions, 1 deletions
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); +} |