Support 32/64 bits build

- Add SUPPORT_32BIT_IOCTL to CCFLAGS to support 32 bit ioctl system call
- This patch provides support of 32/64 bits build, whether using clang or gcc.
It enforces the type of returned parameters by changing macro to static
inline functions.

daemons/gptp/common/ieee1588.hpp

@@ -379,9 +379,11 @@ class Timestamp {
 #define INVALID_TIMESTAMP (Timestamp( 0xC0000000, 0, 0 ))	/*!< Defines an invalid timestamp using a Timestamp instance and a fixed value*/
 #define PDELAY_PENDING_TIMESTAMP (Timestamp( 0xC0000001, 0, 0 ))	/*!< PDelay is pending timestamp */
 
-#define TIMESTAMP_TO_NS(ts) (((static_cast<long long int>((ts).seconds_ms) \
-			       << sizeof((ts).seconds_ls)*8) + \
-			      (ts).seconds_ls)*1000000000LL + (ts).nanoseconds)		/*!< Converts timestamp value into nanoseconds value*/
+static inline uint64_t TIMESTAMP_TO_NS(Timestamp &ts)
+{
+	return (((static_cast<long long int>((ts).seconds_ms) << sizeof((ts).seconds_ls)*8) +
+			      (ts).seconds_ls)*1000000000LL + (ts).nanoseconds)	;	/*!< Converts timestamp value into nanoseconds value*/
+}
 
 /**
  * @brief  Swaps out byte-a-byte a 64 bit value

daemons/gptp/common/ptptypes.hpp

@@ -36,7 +36,12 @@
 
 /**@file*/
 
+#if defined(__clang__) &&  defined(__x86_64__)
+// Clang/llvm has incompatible long double (fp128) for x86_64.
+typedef double FrequencyRatio; /*!< Frequency Ratio */
+#else
 typedef long double FrequencyRatio; /*!< Frequency Ratio */
+#endif
 
 #define ETHER_ADDR_OCTETS	6		/*!< Number of octets in a link layer address*/
 #define IP_ADDR_OCTETS		4		/*!< Number of octets in a ip address*/

daemons/gptp/linux/shm_test/shm_test.cpp

@@ -97,11 +97,12 @@ int main(int argc, char *argv[])
     fprintf(stdout, "ml freq offset %Lf\n", ptpData->ml_freqoffset);
     fprintf(stdout, "ls phoffset %ld\n", ptpData->ls_phoffset);
     fprintf(stdout, "ls freq offset %Lf\n", ptpData->ls_freqoffset);
-    fprintf(stdout, "local time %lu\n", ptpData->local_time);
+    fprintf(stdout, "local time %llu\n", ptpData->local_time);
     fprintf(stdout, "sync count %u\n", ptpData->sync_count);
     fprintf(stdout, "pdelay count %u\n", ptpData->pdelay_count);
     fprintf(stdout, "asCapable %s\n", ptpData->asCapable ? "True" : "False");
     fprintf(stdout, "Port State %d\n", (int)ptpData->port_state);
+    fprintf(stdout, "process_id %d\n", (int)ptpData->process_id);
 
     return 0;
 }

kmod/igb/Makefile

@@ -41,6 +41,11 @@ endif
 # PTP is required for AVB support
 CFLAGS_EXTRA += -DIGB_PTP
 
+# Add 32 bit ioctl support
+ifeq ($(32BIT_IOCTL_SUPPORT),y)
+CFLAGS_EXTRA += -DSUPPORT_32BIT_IOCTL
+endif
+
 # Use IGB_PTP compile flag to enable IEEE-1588 PTP (documented in README)
 ifeq ($(filter %IGB_PTP,$(CFLAGS_EXTRA)),-DIGB_PTP)
   CFILES += igb_ptp.c

lib/igb/igb.c

@@ -1837,7 +1837,10 @@ struct timespec timespec_addns(struct timespec *a, unsigned long addns)
 	return *a;
 }
 
-#define TS2NS(ts) (((ts).tv_sec*1000000000)+(ts).tv_nsec)
+static inline u_int32_t TS2NS(struct timespec ts)
+{
+    return (((ts).tv_sec*1000000000)+(ts).tv_nsec);
+}
 
 int igb_gettime(device_t *dev, clockid_t clk_id, u_int64_t *curtime,
 		struct timespec *system_time)