ring: break out timestamping since not directly related

Break out the timestamping part of the ring.h file, since it's not
directly related to the {t,r}x_ring. Also inlining doesn't make
sense here.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

4 files changed, 56 insertions, 35 deletions

diff --git a/netsniff-ng.c b/netsniff-ng.c
index 2391d39..b4a239e 100644
--- a/netsniff-ng.c
+++ b/netsniff-ng.c
@@ -37,6 +37,8 @@
 #include "dissector.h"
 #include "xmalloc.h"
 
+extern int set_sockopt_hwtimestamp(int sock, const char *dev);
+
 enum dump_mode {
 	DUMP_INTERVAL_TIME,
 	DUMP_INTERVAL_SIZE,
diff --git a/netsniff-ng/Makefile b/netsniff-ng/Makefile
index 46b885d..b50778f 100644
--- a/netsniff-ng/Makefile
+++ b/netsniff-ng/Makefile
@@ -45,6 +45,7 @@ netsniff-ng-objs =	dissector.o \
 			ring_rx.o \
 			ring_tx.o \
 			tprintf.o \
+			tstamping.o \
 			geoip.o \
 			mac80211.o \
 			netsniff-ng.o
diff --git a/ring.h b/ring.h
index e74661c..dea1b6c 100644
--- a/ring.h
+++ b/ring.h
@@ -131,39 +131,4 @@ static inline void set_sockopt_tpacket(int sock)
 		panic("Cannot set tpacketv2!\n");
 }
 
-#ifdef __WITH_HARDWARE_TIMESTAMPING
-# include <linux/net_tstamp.h>
-
-static inline int set_sockopt_hwtimestamp(int sock, const char *dev)
-{
-	int timesource, ret;
-	struct hwtstamp_config hwconfig;
-	struct ifreq ifr;
-
-	if (!strncmp("any", dev, strlen("any")))
-		return -1;
-
-	memset(&hwconfig, 0, sizeof(hwconfig));
-	hwconfig.tx_type = HWTSTAMP_TX_OFF;
-	hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
-
-	memset(&ifr, 0, sizeof(ifr));
-	strlcpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name));
-	ifr.ifr_data = &hwconfig;
-
-	ret = ioctl(sock, SIOCSHWTSTAMP, &ifr);
-	if (ret < 0)
-		return -1;
-
-	timesource = SOF_TIMESTAMPING_RAW_HARDWARE;
-
-	return setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
-			  sizeof(timesource));
-}
-#else
-static inline int set_sockopt_hwtimestamp(int sock, const char *dev)
-{
-	return -1;
-}
-#endif
 #endif /* RING_H */
diff --git a/tstamping.c b/tstamping.c
new file mode 100644
index 0000000..4de455d
--- /dev/null
+++ b/tstamping.c
@@ -0,0 +1,53 @@
+/*
+ * netsniff-ng - the packet sniffing beast
+ * Copyright 2009, 2010 Daniel Borkmann.
+ * Subject to the GPL, version 2.
+ */
+
+extern int set_sockopt_hwtimestamp(int sock, const char *dev);
+
+#ifdef __WITH_HARDWARE_TIMESTAMPING
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/sockios.h>
+#include <linux/net_tstamp.h>
+#include <linux/net_tstamp.h>
+#include <linux/if_packet.h>
+#include <linux/if.h>
+
+#include "xutils.h"
+
+int set_sockopt_hwtimestamp(int sock, const char *dev)
+{
+	int timesource, ret;
+	struct hwtstamp_config hwconfig;
+	struct ifreq ifr;
+
+	if (!strncmp("any", dev, strlen("any")))
+		return -1;
+
+	memset(&hwconfig, 0, sizeof(hwconfig));
+	hwconfig.tx_type = HWTSTAMP_TX_OFF;
+	hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
+
+	memset(&ifr, 0, sizeof(ifr));
+	strlcpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name));
+	ifr.ifr_data = &hwconfig;
+
+	ret = ioctl(sock, SIOCSHWTSTAMP, &ifr);
+	if (ret < 0)
+		return -1;
+
+	timesource = SOF_TIMESTAMPING_RAW_HARDWARE;
+
+	return setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
+			  sizeof(timesource));
+}
+#else
+int set_sockopt_hwtimestamp(int sock, const char *dev)
+{
+	return -1;
+}
+#endif