Imported Upstream version 16.11

Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

5 files changed, 31 insertions, 3 deletions

diff --git a/lib/librte_eal/common/include/generic/rte_atomic.h b/lib/librte_eal/common/include/generic/rte_atomic.h
index bfb4fe44..43a704ec 100644
--- a/lib/librte_eal/common/include/generic/rte_atomic.h
+++ b/lib/librte_eal/common/include/generic/rte_atomic.h
@@ -42,6 +42,7 @@
  */
 
 #include <stdint.h>
+#include <rte_common.h>
 
 #ifdef __DOXYGEN__
 
diff --git a/lib/librte_eal/common/include/generic/rte_byteorder.h b/lib/librte_eal/common/include/generic/rte_byteorder.h
index c46fdcf2..e00bccbc 100644
--- a/lib/librte_eal/common/include/generic/rte_byteorder.h
+++ b/lib/librte_eal/common/include/generic/rte_byteorder.h
@@ -50,6 +50,8 @@
 #include <endian.h>
 #endif
 
+#include <rte_common.h>
+
 /*
  * Compile-time endianness detection
  */
diff --git a/lib/librte_eal/common/include/generic/rte_cpuflags.h b/lib/librte_eal/common/include/generic/rte_cpuflags.h
index c1da357c..71321f32 100644
--- a/lib/librte_eal/common/include/generic/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/generic/rte_cpuflags.h
@@ -44,6 +44,7 @@
 /**
  * Enumeration of all CPU features supported
  */
+__extension__
 enum rte_cpu_flag_t;
 
 /**
@@ -55,6 +56,7 @@ enum rte_cpu_flag_t;
  *     flag name
  *     NULL if flag ID is invalid
  */
+__extension__
 const char *
 rte_cpu_get_flag_name(enum rte_cpu_flag_t feature);
 
@@ -68,6 +70,7 @@ rte_cpu_get_flag_name(enum rte_cpu_flag_t feature);
  *     0 if flag is not available
  *     -ENOENT if flag is invalid
  */
+__extension__
 int
 rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature);
 
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_ */
diff --git a/lib/librte_eal/common/include/generic/rte_memcpy.h b/lib/librte_eal/common/include/generic/rte_memcpy.h
index afb0afe4..4e9d8794 100644
--- a/lib/librte_eal/common/include/generic/rte_memcpy.h
+++ b/lib/librte_eal/common/include/generic/rte_memcpy.h
@@ -64,6 +64,8 @@ rte_mov16(uint8_t *dst, const uint8_t *src);
 static inline void
 rte_mov32(uint8_t *dst, const uint8_t *src);
 
+#ifdef __DOXYGEN__
+
 /**
  * Copy 48 bytes from one location to another using optimised
  * instructions. The locations should not overlap.
@@ -76,6 +78,8 @@ rte_mov32(uint8_t *dst, const uint8_t *src);
 static inline void
 rte_mov48(uint8_t *dst, const uint8_t *src);
 
+#endif /* __DOXYGEN__ */
+
 /**
  * Copy 64 bytes from one location to another using optimised
  * instructions. The locations should not overlap.