From 6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Thu, 8 Dec 2016 14:07:29 +0100 Subject: Imported Upstream version 16.11 Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77 Signed-off-by: Christian Ehrhardt --- lib/librte_eal/common/include/generic/rte_cycles.h | 24 +++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) (limited to 'lib/librte_eal/common/include/generic/rte_cycles.h') diff --git a/lib/librte_eal/common/include/generic/rte_cycles.h b/lib/librte_eal/common/include/generic/rte_cycles.h index 8cc21f20..00103ca9 100644 --- a/lib/librte_eal/common/include/generic/rte_cycles.h +++ b/lib/librte_eal/common/include/generic/rte_cycles.h @@ -180,15 +180,16 @@ rte_get_timer_hz(void) default: rte_panic("Invalid timer source specified\n"); } } - /** * Wait at least us microseconds. + * This function can be replaced with user-defined function. + * @see rte_delay_us_callback_register * * @param us * The number of microseconds to wait. */ -void -rte_delay_us(unsigned us); +extern void +(*rte_delay_us)(unsigned int us); /** * Wait at least ms milliseconds. @@ -202,4 +203,21 @@ rte_delay_ms(unsigned ms) rte_delay_us(ms * 1000); } +/** + * Blocking delay function. + * + * @param us + * Number of microseconds to wait. + */ +void rte_delay_us_block(unsigned int us); + +/** + * Replace rte_delay_us with user defined function. + * + * @param userfunc + * User function which replaces rte_delay_us. rte_delay_us_block restores + * buildin block delay function. + */ +void rte_delay_us_callback_register(void(*userfunc)(unsigned int)); + #endif /* _RTE_CYCLES_H_ */ -- cgit 1.2.3-korg