[PKTGEN]: Lindent run.

Lindet run, with some fixes made by hand.

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1379 insertions, 1251 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 6586321b018..e49b006a765 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -149,35 +149,34 @@
 #include <asm/io.h>
 #include <asm/dma.h>
 #include <asm/uaccess.h>
-#include <asm/div64.h> /* do_div */
+#include <asm/div64.h>		/* do_div */
 #include <asm/timex.h>
 
-
 #define VERSION  "pktgen v2.64: Packet Generator for packet performance testing.\n"
 
 /* #define PG_DEBUG(a) a */
-#define PG_DEBUG(a) 
+#define PG_DEBUG(a)
 
 /* The buckets are exponential in 'width' */
 #define LAT_BUCKETS_MAX 32
 #define IP_NAME_SZ 32
 
 /* Device flag bits */
-#define F_IPSRC_RND   (1<<0)  /* IP-Src Random  */
-#define F_IPDST_RND   (1<<1)  /* IP-Dst Random  */
-#define F_UDPSRC_RND  (1<<2)  /* UDP-Src Random */
-#define F_UDPDST_RND  (1<<3)  /* UDP-Dst Random */
-#define F_MACSRC_RND  (1<<4)  /* MAC-Src Random */
-#define F_MACDST_RND  (1<<5)  /* MAC-Dst Random */
-#define F_TXSIZE_RND  (1<<6)  /* Transmit size is random */
-#define F_IPV6        (1<<7)  /* Interface in IPV6 Mode */
+#define F_IPSRC_RND   (1<<0)	/* IP-Src Random  */
+#define F_IPDST_RND   (1<<1)	/* IP-Dst Random  */
+#define F_UDPSRC_RND  (1<<2)	/* UDP-Src Random */
+#define F_UDPDST_RND  (1<<3)	/* UDP-Dst Random */
+#define F_MACSRC_RND  (1<<4)	/* MAC-Src Random */
+#define F_MACDST_RND  (1<<5)	/* MAC-Dst Random */
+#define F_TXSIZE_RND  (1<<6)	/* Transmit size is random */
+#define F_IPV6        (1<<7)	/* Interface in IPV6 Mode */
 
 /* Thread control flag bits */
-#define T_TERMINATE   (1<<0)  
-#define T_STOP        (1<<1)  /* Stop run */
-#define T_RUN         (1<<2)  /* Start run */
-#define T_REMDEVALL   (1<<3)  /* Remove all devs */
-#define T_REMDEV      (1<<4)  /* Remove one dev */
+#define T_TERMINATE   (1<<0)
+#define T_STOP        (1<<1)	/* Stop run */
+#define T_RUN         (1<<2)	/* Start run */
+#define T_REMDEVALL   (1<<3)	/* Remove all devs */
+#define T_REMDEV      (1<<4)	/* Remove one dev */
 
 /* Locks */
 #define   thread_lock()        down(&pktgen_sem)
@@ -195,10 +194,9 @@ static struct proc_dir_entry *pg_proc_dir = NULL;
 
 #define MAX_CFLOWS  65536
 
-struct flow_state
-{
-	__u32		cur_daddr;
-	int		count;
+struct flow_state {
+	__u32 cur_daddr;
+	int count;
 };
 
 struct pktgen_dev {
@@ -207,143 +205,143 @@ struct pktgen_dev {
 	 * Try to keep frequent/infrequent used vars. separated.
 	 */
 
-        char ifname[IFNAMSIZ];
-        char result[512];
+	char ifname[IFNAMSIZ];
+	char result[512];
+
+	struct pktgen_thread *pg_thread;	/* the owner */
+	struct pktgen_dev *next;	/* Used for chaining in the thread's run-queue */
 
-        struct pktgen_thread* pg_thread; /* the owner */
-        struct pktgen_dev *next; /* Used for chaining in the thread's run-queue */
+	int running;		/* if this changes to false, the test will stop */
 
-        int running;  /* if this changes to false, the test will stop */
-        
-        /* If min != max, then we will either do a linear iteration, or
-         * we will do a random selection from within the range.
-         */
-        __u32 flags;     
+	/* If min != max, then we will either do a linear iteration, or
+	 * we will do a random selection from within the range.
+	 */
+	__u32 flags;
 	int removal_mark;	/* non-zero => the device is marked for
 				 * removal by worker thread */
 
-        int min_pkt_size;    /* = ETH_ZLEN; */
-        int max_pkt_size;    /* = ETH_ZLEN; */
-        int nfrags;
-        __u32 delay_us;    /* Default delay */
-        __u32 delay_ns;
-        __u64 count;  /* Default No packets to send */
-        __u64 sofar;  /* How many pkts we've sent so far */
-        __u64 tx_bytes; /* How many bytes we've transmitted */
-        __u64 errors;    /* Errors when trying to transmit, pkts will be re-sent */
-
-        /* runtime counters relating to clone_skb */
-        __u64 next_tx_us;          /* timestamp of when to tx next */
-        __u32 next_tx_ns;
-        
-        __u64 allocated_skbs;
-        __u32 clone_count;
-	int last_ok;           /* Was last skb sent? 
-	                        * Or a failed transmit of some sort?  This will keep
-                                * sequence numbers in order, for example.
-				*/
-        __u64 started_at; /* micro-seconds */
-        __u64 stopped_at; /* micro-seconds */
-        __u64 idle_acc; /* micro-seconds */
-        __u32 seq_num;
-        
-        int clone_skb; /* Use multiple SKBs during packet gen.  If this number
-                          * is greater than 1, then that many copies of the same
-                          * packet will be sent before a new packet is allocated.
-                          * For instance, if you want to send 1024 identical packets
-                          * before creating a new packet, set clone_skb to 1024.
-                          */
-        
-        char dst_min[IP_NAME_SZ]; /* IP, ie 1.2.3.4 */
-        char dst_max[IP_NAME_SZ]; /* IP, ie 1.2.3.4 */
-        char src_min[IP_NAME_SZ]; /* IP, ie 1.2.3.4 */
-        char src_max[IP_NAME_SZ]; /* IP, ie 1.2.3.4 */
-
-	struct in6_addr  in6_saddr;
-	struct in6_addr  in6_daddr;
-	struct in6_addr  cur_in6_daddr;
-	struct in6_addr  cur_in6_saddr;
+	int min_pkt_size;	/* = ETH_ZLEN; */
+	int max_pkt_size;	/* = ETH_ZLEN; */
+	int nfrags;
+	__u32 delay_us;		/* Default delay */
+	__u32 delay_ns;
+	__u64 count;		/* Default No packets to send */
+	__u64 sofar;		/* How many pkts we've sent so far */
+	__u64 tx_bytes;		/* How many bytes we've transmitted */
+	__u64 errors;		/* Errors when trying to transmit, pkts will be re-sent */
+
+	/* runtime counters relating to clone_skb */
+	__u64 next_tx_us;	/* timestamp of when to tx next */
+	__u32 next_tx_ns;
+
+	__u64 allocated_skbs;
+	__u32 clone_count;
+	int last_ok;		/* Was last skb sent?
+				 * Or a failed transmit of some sort?  This will keep
+				 * sequence numbers in order, for example.
+				 */
+	__u64 started_at;	/* micro-seconds */
+	__u64 stopped_at;	/* micro-seconds */
+	__u64 idle_acc;		/* micro-seconds */
+	__u32 seq_num;
+
+	int clone_skb;		/* Use multiple SKBs during packet gen.  If this number
+				 * is greater than 1, then that many copies of the same
+				 * packet will be sent before a new packet is allocated.
+				 * For instance, if you want to send 1024 identical packets
+				 * before creating a new packet, set clone_skb to 1024.
+				 */
+
+	char dst_min[IP_NAME_SZ];	/* IP, ie 1.2.3.4 */
+	char dst_max[IP_NAME_SZ];	/* IP, ie 1.2.3.4 */
+	char src_min[IP_NAME_SZ];	/* IP, ie 1.2.3.4 */
+	char src_max[IP_NAME_SZ];	/* IP, ie 1.2.3.4 */
+
+	struct in6_addr in6_saddr;
+	struct in6_addr in6_daddr;
+	struct in6_addr cur_in6_daddr;
+	struct in6_addr cur_in6_saddr;
 	/* For ranges */
-	struct in6_addr  min_in6_daddr;
-	struct in6_addr  max_in6_daddr;
-	struct in6_addr  min_in6_saddr;
-	struct in6_addr  max_in6_saddr;
-
-        /* If we're doing ranges, random or incremental, then this
-         * defines the min/max for those ranges.
-         */
-        __u32 saddr_min; /* inclusive, source IP address */
-        __u32 saddr_max; /* exclusive, source IP address */
-        __u32 daddr_min; /* inclusive, dest IP address */
-        __u32 daddr_max; /* exclusive, dest IP address */
-
-        __u16 udp_src_min; /* inclusive, source UDP port */
-        __u16 udp_src_max; /* exclusive, source UDP port */
-        __u16 udp_dst_min; /* inclusive, dest UDP port */
-        __u16 udp_dst_max; /* exclusive, dest UDP port */
-
-        __u32 src_mac_count; /* How many MACs to iterate through */
-        __u32 dst_mac_count; /* How many MACs to iterate through */
-        
-        unsigned char dst_mac[ETH_ALEN];
-        unsigned char src_mac[ETH_ALEN];
-        
-        __u32 cur_dst_mac_offset;
-        __u32 cur_src_mac_offset;
-        __u32 cur_saddr;
-        __u32 cur_daddr;
-        __u16 cur_udp_dst;
-        __u16 cur_udp_src;
-        __u32 cur_pkt_size;
-        
-        __u8 hh[14];
-        /* = { 
-           0x00, 0x80, 0xC8, 0x79, 0xB3, 0xCB, 
-           
-           We fill in SRC address later
-           0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-           0x08, 0x00
-           };
-        */
-        __u16 pad; /* pad out the hh struct to an even 16 bytes */
-
-        struct sk_buff* skb; /* skb we are to transmit next, mainly used for when we
-                              * are transmitting the same one multiple times
-                              */
-        struct net_device* odev; /* The out-going device.  Note that the device should
-                                  * have it's pg_info pointer pointing back to this
-                                  * device.  This will be set when the user specifies
-                                  * the out-going device name (not when the inject is
-                                  * started as it used to do.)
-                                  */
+	struct in6_addr min_in6_daddr;
+	struct in6_addr max_in6_daddr;
+	struct in6_addr min_in6_saddr;
+	struct in6_addr max_in6_saddr;
+
+	/* If we're doing ranges, random or incremental, then this
+	 * defines the min/max for those ranges.
+	 */
+	__u32 saddr_min;	/* inclusive, source IP address */
+	__u32 saddr_max;	/* exclusive, source IP address */
+	__u32 daddr_min;	/* inclusive, dest IP address */
+	__u32 daddr_max;	/* exclusive, dest IP address */
+
+	__u16 udp_src_min;	/* inclusive, source UDP port */
+	__u16 udp_src_max;	/* exclusive, source UDP port */
+	__u16 udp_dst_min;	/* inclusive, dest UDP port */
+	__u16 udp_dst_max;	/* exclusive, dest UDP port */
+
+	__u32 src_mac_count;	/* How many MACs to iterate through */
+	__u32 dst_mac_count;	/* How many MACs to iterate through */
+
+	unsigned char dst_mac[ETH_ALEN];
+	unsigned char src_mac[ETH_ALEN];
+
+	__u32 cur_dst_mac_offset;
+	__u32 cur_src_mac_offset;
+	__u32 cur_saddr;
+	__u32 cur_daddr;
+	__u16 cur_udp_dst;
+	__u16 cur_udp_src;
+	__u32 cur_pkt_size;
+
+	__u8 hh[14];
+	/* = {
+	   0x00, 0x80, 0xC8, 0x79, 0xB3, 0xCB,
+
+	   We fill in SRC address later
+	   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	   0x08, 0x00
+	   };
+	 */
+	__u16 pad;		/* pad out the hh struct to an even 16 bytes */
+
+	struct sk_buff *skb;	/* skb we are to transmit next, mainly used for when we
+				 * are transmitting the same one multiple times
+				 */
+	struct net_device *odev;	/* The out-going device.  Note that the device should
+					 * have it's pg_info pointer pointing back to this
+					 * device.  This will be set when the user specifies
+					 * the out-going device name (not when the inject is
+					 * started as it used to do.)
+					 */
 	struct flow_state *flows;
-	unsigned cflows;         /* Concurrent flows (config) */
-	unsigned lflow;          /* Flow length  (config) */
-	unsigned nflows;         /* accumulated flows (stats) */
+	unsigned cflows;	/* Concurrent flows (config) */
+	unsigned lflow;		/* Flow length  (config) */
+	unsigned nflows;	/* accumulated flows (stats) */
 };
 
 struct pktgen_hdr {
-        __u32 pgh_magic;
-        __u32 seq_num;
+	__u32 pgh_magic;
+	__u32 seq_num;
 	__u32 tv_sec;
 	__u32 tv_usec;
 };
 
 struct pktgen_thread {
-        spinlock_t if_lock;
-        struct pktgen_dev *if_list;           /* All device here */
-        struct pktgen_thread* next;
-        char name[32];
-        char result[512];
-        u32 max_before_softirq; /* We'll call do_softirq to prevent starvation. */
-        
-	/* Field for thread to receive "posted" events terminate, stop ifs etc.*/
-
-        u32 control;
+	spinlock_t if_lock;
+	struct pktgen_dev *if_list;	/* All device here */
+	struct pktgen_thread *next;
+	char name[32];
+	char result[512];
+	u32 max_before_softirq;	/* We'll call do_softirq to prevent starvation. */
+
+	/* Field for thread to receive "posted" events terminate, stop ifs etc. */
+
+	u32 control;
 	int pid;
 	int cpu;
 
-        wait_queue_head_t queue;
+	wait_queue_head_t queue;
 };
 
 #define REMOVE 1
@@ -367,77 +365,76 @@ struct pktgen_thread {
  */
 static inline s64 divremdi3(s64 x, s64 y, int type)
 {
-        u64 a = (x < 0) ? -x : x;
-        u64 b = (y < 0) ? -y : y;
-        u64 res = 0, d = 1;
-
-        if (b > 0) {
-                while (b < a) {
-                        b <<= 1;
-                        d <<= 1;
-                }
-        }
-        
-        do {
-                if ( a >= b ) {
-                        a -= b;
-                        res += d;
-                }
-                b >>= 1;
-                d >>= 1;
-        }
-        while (d);
-
-        if (PG_DIV == type) {
-                return (((x ^ y) & (1ll<<63)) == 0) ? res : -(s64)res;
-        }
-        else {
-                return ((x & (1ll<<63)) == 0) ? a : -(s64)a;
-        }
+	u64 a = (x < 0) ? -x : x;
+	u64 b = (y < 0) ? -y : y;
+	u64 res = 0, d = 1;
+
+	if (b > 0) {
+		while (b < a) {
+			b <<= 1;
+			d <<= 1;
+		}
+	}
+
+	do {
+		if (a >= b) {
+			a -= b;
+			res += d;
+		}
+		b >>= 1;
+		d >>= 1;
+	}
+	while (d);
+
+	if (PG_DIV == type) {
+		return (((x ^ y) & (1ll << 63)) == 0) ? res : -(s64) res;
+	} else {
+		return ((x & (1ll << 63)) == 0) ? a : -(s64) a;
+	}
 }
 
 /* End of hacks to deal with 64-bit math on x86 */
 
 /** Convert to milliseconds */
-static inline __u64 tv_to_ms(const struct timeval* tv) 
+static inline __u64 tv_to_ms(const struct timeval *tv)
 {
-        __u64 ms = tv->tv_usec / 1000;
-        ms += (__u64)tv->tv_sec * (__u64)1000;
-        return ms;
+	__u64 ms = tv->tv_usec / 1000;
+	ms += (__u64) tv->tv_sec * (__u64) 1000;
+	return ms;
 }
 
-
 /** Convert to micro-seconds */
-static inline __u64 tv_to_us(const struct timeval* tv) 
+static inline __u64 tv_to_us(const struct timeval *tv)
 {
-        __u64 us = tv->tv_usec;
-        us += (__u64)tv->tv_sec * (__u64)1000000;
-        return us;
+	__u64 us = tv->tv_usec;
+	us += (__u64) tv->tv_sec * (__u64) 1000000;
+	return us;
 }
 
-static inline __u64 pg_div(__u64 n, __u32 base) {
-        __u64 tmp = n;
-        do_div(tmp, base);
-        /* printk("pktgen: pg_div, n: %llu  base: %d  rv: %llu\n",
-                  n, base, tmp); */
-        return tmp;
+static inline __u64 pg_div(__u64 n, __u32 base)
+{
+	__u64 tmp = n;
+	do_div(tmp, base);
+	/* printk("pktgen: pg_div, n: %llu  base: %d  rv: %llu\n",
+	   n, base, tmp); */
+	return tmp;
 }
 
-static inline __u64 pg_div64(__u64 n, __u64 base) 
+static inline __u64 pg_div64(__u64 n, __u64 base)
 {
-        __u64 tmp = n;
+	__u64 tmp = n;
 /*
  * How do we know if the architecture we are running on
  * supports division with 64 bit base?
  * 
  */
-#if defined(__sparc_v9__) || defined(__powerpc64__) || defined(__alpha__) || defined(__x86_64__) || defined(__ia64__) 
+#if defined(__sparc_v9__) || defined(__powerpc64__) || defined(__alpha__) || defined(__x86_64__) || defined(__ia64__)
 
-		do_div(tmp, base);
+	do_div(tmp, base);
 #else
-		tmp = divremdi3(n, base, PG_DIV);
+	tmp = divremdi3(n, base, PG_DIV);
 #endif
-        return tmp;
+	return tmp;
 }
 
 static inline u32 pktgen_random(void)
@@ -451,45 +448,45 @@ static inline u32 pktgen_random(void)
 #endif
 }
 
-static inline __u64 getCurMs(void) 
+static inline __u64 getCurMs(void)
 {
-        struct timeval tv;
-        do_gettimeofday(&tv);
-        return tv_to_ms(&tv);
+	struct timeval tv;
+	do_gettimeofday(&tv);
+	return tv_to_ms(&tv);
 }
 
-static inline __u64 getCurUs(void) 
+static inline __u64 getCurUs(void)
 {
-        struct timeval tv;
-        do_gettimeofday(&tv);
-        return tv_to_us(&tv);
+	struct timeval tv;
+	do_gettimeofday(&tv);
+	return tv_to_us(&tv);
 }
 
-static inline __u64 tv_diff(const struct timeval* a, const struct timeval* b) 
+static inline __u64 tv_diff(const struct timeval *a, const struct timeval *b)
 {
-        return tv_to_us(a) - tv_to_us(b);
+	return tv_to_us(a) - tv_to_us(b);
 }
 
-
 /* old include end */
 
 static char version[] __initdata = VERSION;
 
-static int pktgen_remove_device(struct pktgen_thread* t, struct pktgen_dev *i);
-static int pktgen_add_device(struct pktgen_thread* t, const char* ifname);
-static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread* t, const char* ifname);
+static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *i);
+static int pktgen_add_device(struct pktgen_thread *t, const char *ifname);
+static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
+					  const char *ifname);
 static int pktgen_device_event(struct notifier_block *, unsigned long, void *);
 static void pktgen_run_all_threads(void);
 static void pktgen_stop_all_threads_ifs(void);
 static int pktgen_stop_device(struct pktgen_dev *pkt_dev);
-static void pktgen_stop(struct pktgen_thread* t);
+static void pktgen_stop(struct pktgen_thread *t);
 static void pktgen_clear_counters(struct pktgen_dev *pkt_dev);
-static int pktgen_mark_device(const char* ifname);
-static unsigned int scan_ip6(const char *s,char ip[16]);
-static unsigned int fmt_ip6(char *s,const char ip[16]);
+static int pktgen_mark_device(const char *ifname);
+static unsigned int scan_ip6(const char *s, char ip[16]);
+static unsigned int fmt_ip6(char *s, const char ip[16]);
 
 /* Module parameters, defaults. */
-static int pg_count_d = 1000; /* 1000 pkts by default */
+static int pg_count_d = 1000;	/* 1000 pkts by default */
 static int pg_delay_d;
 static int pg_clone_skb_d;
 static int debug;
@@ -507,21 +504,21 @@ static struct notifier_block pktgen_notifier_block = {
  */
 
 static int pgctrl_show(struct seq_file *seq, void *v)
-{ 
+{
 	seq_puts(seq, VERSION);
 	return 0;
 }
 
-static ssize_t pgctrl_write(struct file* file,const char __user * buf,
-			    size_t count, loff_t *ppos)
+static ssize_t pgctrl_write(struct file *file, const char __user * buf,
+			    size_t count, loff_t * ppos)
 {
 	int err = 0;
 	char data[128];
 
-        if (!capable(CAP_NET_ADMIN)){
-                err = -EPERM;
+	if (!capable(CAP_NET_ADMIN)) {
+		err = -EPERM;
 		goto out;
-        }
+	}
 
 	if (count > sizeof(data))
 		count = sizeof(data);
@@ -529,22 +526,22 @@ static ssize_t pgctrl_write(struct file* file,const char __user * buf,
 	if (copy_from_user(data, buf, count)) {
 		err = -EFAULT;
 		goto out;
-	}  
-	data[count-1] = 0; /* Make string */
+	}
+	data[count - 1] = 0;	/* Make string */
 
-	if (!strcmp(data, "stop")) 
+	if (!strcmp(data, "stop"))
 		pktgen_stop_all_threads_ifs();
 
-        else if (!strcmp(data, "start")) 
+	else if (!strcmp(data, "start"))
 		pktgen_run_all_threads();
 
-	else 
+	else
 		printk("pktgen: Unknown command: %s\n", data);
 
 	err = count;
 
- out:
-        return err;
+out:
+	return err;
 }
 
 static int pgctrl_open(struct inode *inode, struct file *file)
@@ -553,147 +550,158 @@ static int pgctrl_open(struct inode *inode, struct file *file)
 }
 
 static struct file_operations pktgen_fops = {
-	.owner	  = THIS_MODULE,
-	.open	  = pgctrl_open,
-        .read     = seq_read,
-	.llseek	  = seq_lseek,
-        .write    = pgctrl_write,
-	.release  = single_release,
+	.owner   = THIS_MODULE,
+	.open    = pgctrl_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.write   = pgctrl_write,
+	.release = single_release,
 };
 
 static int pktgen_if_show(struct seq_file *seq, void *v)
 {
 	int i;
-        struct pktgen_dev *pkt_dev = seq->private;
-        __u64 sa;
-        __u64 stopped;
-        __u64 now = getCurUs();
-        
-	seq_printf(seq, "Params: count %llu  min_pkt_size: %u  max_pkt_size: %u\n",
-		   (unsigned long long) pkt_dev->count,
-		   pkt_dev->min_pkt_size, pkt_dev->max_pkt_size);
+	struct pktgen_dev *pkt_dev = seq->private;
+	__u64 sa;
+	__u64 stopped;
+	__u64 now = getCurUs();
+
+	seq_printf(seq,
+		   "Params: count %llu  min_pkt_size: %u  max_pkt_size: %u\n",
+		   (unsigned long long)pkt_dev->count, pkt_dev->min_pkt_size,
+		   pkt_dev->max_pkt_size);
+
+	seq_printf(seq,
+		   "     frags: %d  delay: %u  clone_skb: %d  ifname: %s\n",
+		   pkt_dev->nfrags,
+		   1000 * pkt_dev->delay_us + pkt_dev->delay_ns,
+		   pkt_dev->clone_skb, pkt_dev->ifname);
+
+	seq_printf(seq, "     flows: %u flowlen: %u\n", pkt_dev->cflows,
+		   pkt_dev->lflow);
+
+	if (pkt_dev->flags & F_IPV6) {
+		char b1[128], b2[128], b3[128];
+		fmt_ip6(b1, pkt_dev->in6_saddr.s6_addr);
+		fmt_ip6(b2, pkt_dev->min_in6_saddr.s6_addr);
+		fmt_ip6(b3, pkt_dev->max_in6_saddr.s6_addr);
+		seq_printf(seq,
+			   "     saddr: %s  min_saddr: %s  max_saddr: %s\n", b1,
+			   b2, b3);
+
+		fmt_ip6(b1, pkt_dev->in6_daddr.s6_addr);
+		fmt_ip6(b2, pkt_dev->min_in6_daddr.s6_addr);
+		fmt_ip6(b3, pkt_dev->max_in6_daddr.s6_addr);
+		seq_printf(seq,
+			   "     daddr: %s  min_daddr: %s  max_daddr: %s\n", b1,
+			   b2, b3);
+
+	} else
+		seq_printf(seq,
+			   "     dst_min: %s  dst_max: %s\n     src_min: %s  src_max: %s\n",
+			   pkt_dev->dst_min, pkt_dev->dst_max, pkt_dev->src_min,
+			   pkt_dev->src_max);
 
-	seq_printf(seq, "     frags: %d  delay: %u  clone_skb: %d  ifname: %s\n",
-		   pkt_dev->nfrags, 1000*pkt_dev->delay_us+pkt_dev->delay_ns, pkt_dev->clone_skb, pkt_dev->ifname);
+	seq_puts(seq, "     src_mac: ");
 
-	seq_printf(seq, "     flows: %u flowlen: %u\n", pkt_dev->cflows, pkt_dev->lflow);
+	if (is_zero_ether_addr(pkt_dev->src_mac))
+		for (i = 0; i < 6; i++)
+			seq_printf(seq, "%02X%s", pkt_dev->odev->dev_addr[i],
+				   i == 5 ? "  " : ":");
+	else
+		for (i = 0; i < 6; i++)
+			seq_printf(seq, "%02X%s", pkt_dev->src_mac[i],
+				   i == 5 ? "  " : ":");
+
+	seq_printf(seq, "dst_mac: ");
+	for (i = 0; i < 6; i++)
+		seq_printf(seq, "%02X%s", pkt_dev->dst_mac[i],
+			   i == 5 ? "\n" : ":");
+
+	seq_printf(seq,
+		   "     udp_src_min: %d  udp_src_max: %d  udp_dst_min: %d  udp_dst_max: %d\n",
+		   pkt_dev->udp_src_min, pkt_dev->udp_src_max,
+		   pkt_dev->udp_dst_min, pkt_dev->udp_dst_max);
+
+	seq_printf(seq,
+		   "     src_mac_count: %d  dst_mac_count: %d \n     Flags: ",
+		   pkt_dev->src_mac_count, pkt_dev->dst_mac_count);
 
+	if (pkt_dev->flags & F_IPV6)
+		seq_printf(seq, "IPV6  ");
 
-	if(pkt_dev->flags & F_IPV6) {
-		char b1[128], b2[128], b3[128];
-		fmt_ip6(b1,  pkt_dev->in6_saddr.s6_addr);
-		fmt_ip6(b2,  pkt_dev->min_in6_saddr.s6_addr);
-		fmt_ip6(b3,  pkt_dev->max_in6_saddr.s6_addr);
-		seq_printf(seq, "     saddr: %s  min_saddr: %s  max_saddr: %s\n", b1, b2, b3);
+	if (pkt_dev->flags & F_IPSRC_RND)
+		seq_printf(seq, "IPSRC_RND  ");
 
-		fmt_ip6(b1,  pkt_dev->in6_daddr.s6_addr);
-		fmt_ip6(b2,  pkt_dev->min_in6_daddr.s6_addr);
-		fmt_ip6(b3,  pkt_dev->max_in6_daddr.s6_addr);
-		seq_printf(seq, "     daddr: %s  min_daddr: %s  max_daddr: %s\n", b1, b2, b3);
+	if (pkt_dev->flags & F_IPDST_RND)
+		seq_printf(seq, "IPDST_RND  ");
 
-	} 
-	else 
-		seq_printf(seq,"     dst_min: %s  dst_max: %s\n     src_min: %s  src_max: %s\n",
-			   pkt_dev->dst_min, pkt_dev->dst_max, pkt_dev->src_min, pkt_dev->src_max);
+	if (pkt_dev->flags & F_TXSIZE_RND)
+		seq_printf(seq, "TXSIZE_RND  ");
 
-	seq_puts(seq, "     src_mac: ");
+	if (pkt_dev->flags & F_UDPSRC_RND)
+		seq_printf(seq, "UDPSRC_RND  ");
 
-	if (is_zero_ether_addr(pkt_dev->src_mac))
-		for (i = 0; i < 6; i++) 
-			seq_printf(seq,  "%02X%s", pkt_dev->odev->dev_addr[i], i == 5 ? "  " : ":");
-	else 
-		for (i = 0; i < 6; i++) 
-			seq_printf(seq,  "%02X%s", pkt_dev->src_mac[i], i == 5 ? "  " : ":");
+	if (pkt_dev->flags & F_UDPDST_RND)
+		seq_printf(seq, "UDPDST_RND  ");
 
-        seq_printf(seq,  "dst_mac: ");
-	for (i = 0; i < 6; i++) 
-		seq_printf(seq,  "%02X%s", pkt_dev->dst_mac[i], i == 5 ? "\n" : ":");
+	if (pkt_dev->flags & F_MACSRC_RND)
+		seq_printf(seq, "MACSRC_RND  ");
 
-        seq_printf(seq,  "     udp_src_min: %d  udp_src_max: %d  udp_dst_min: %d  udp_dst_max: %d\n",
-		   pkt_dev->udp_src_min, pkt_dev->udp_src_max, pkt_dev->udp_dst_min,
-		   pkt_dev->udp_dst_max);
+	if (pkt_dev->flags & F_MACDST_RND)
+		seq_printf(seq, "MACDST_RND  ");
 
-        seq_printf(seq,  "     src_mac_count: %d  dst_mac_count: %d \n     Flags: ",
-		   pkt_dev->src_mac_count, pkt_dev->dst_mac_count);
+	seq_puts(seq, "\n");
+
+	sa = pkt_dev->started_at;
+	stopped = pkt_dev->stopped_at;
+	if (pkt_dev->running)
+		stopped = now;	/* not really stopped, more like last-running-at */
 
+	seq_printf(seq,
+		   "Current:\n     pkts-sofar: %llu  errors: %llu\n     started: %lluus  stopped: %lluus idle: %lluus\n",
+		   (unsigned long long)pkt_dev->sofar,
+		   (unsigned long long)pkt_dev->errors, (unsigned long long)sa,
+		   (unsigned long long)stopped,
+		   (unsigned long long)pkt_dev->idle_acc);
 
-        if (pkt_dev->flags &  F_IPV6) 
-                seq_printf(seq,  "IPV6  ");
-
-        if (pkt_dev->flags &  F_IPSRC_RND) 
-                seq_printf(seq,  "IPSRC_RND  ");
-
-        if (pkt_dev->flags & F_IPDST_RND) 
-                seq_printf(seq,  "IPDST_RND  ");
-        
-        if (pkt_dev->flags & F_TXSIZE_RND) 
-                seq_printf(seq,  "TXSIZE_RND  ");
-        
-        if (pkt_dev->flags & F_UDPSRC_RND) 
-                seq_printf(seq,  "UDPSRC_RND  ");
-        
-        if (pkt_dev->flags & F_UDPDST_RND) 
-                seq_printf(seq,  "UDPDST_RND  ");
-        
-        if (pkt_dev->flags & F_MACSRC_RND) 
-                seq_printf(seq,  "MACSRC_RND  ");
-        
-        if (pkt_dev->flags & F_MACDST_RND) 
-                seq_printf(seq,  "MACDST_RND  ");
-
-        
-        seq_puts(seq,  "\n");
-        
-        sa = pkt_dev->started_at;
-        stopped = pkt_dev->stopped_at;
-        if (pkt_dev->running) 
-                stopped = now; /* not really stopped, more like last-running-at */
-        
-        seq_printf(seq,  "Current:\n     pkts-sofar: %llu  errors: %llu\n     started: %lluus  stopped: %lluus idle: %lluus\n",
-		   (unsigned long long) pkt_dev->sofar,
-		   (unsigned long long) pkt_dev->errors,
-		   (unsigned long long) sa,
-		   (unsigned long long) stopped,
-		   (unsigned long long) pkt_dev->idle_acc);
-
-        seq_printf(seq,  "     seq_num: %d  cur_dst_mac_offset: %d  cur_src_mac_offset: %d\n",
+	seq_printf(seq,
+		   "     seq_num: %d  cur_dst_mac_offset: %d  cur_src_mac_offset: %d\n",
 		   pkt_dev->seq_num, pkt_dev->cur_dst_mac_offset,
 		   pkt_dev->cur_src_mac_offset);
 
-	if(pkt_dev->flags & F_IPV6) {
+	if (pkt_dev->flags & F_IPV6) {
 		char b1[128], b2[128];
-		fmt_ip6(b1,  pkt_dev->cur_in6_daddr.s6_addr);
-		fmt_ip6(b2,  pkt_dev->cur_in6_saddr.s6_addr);
-		seq_printf(seq,  "     cur_saddr: %s  cur_daddr: %s\n", b2, b1);
-	} 
-	else 
-		seq_printf(seq,  "     cur_saddr: 0x%x  cur_daddr: 0x%x\n",
+		fmt_ip6(b1, pkt_dev->cur_in6_daddr.s6_addr);
+		fmt_ip6(b2, pkt_dev->cur_in6_saddr.s6_addr);
+		seq_printf(seq, "     cur_saddr: %s  cur_daddr: %s\n", b2, b1);
+	} else
+		seq_printf(seq, "     cur_saddr: 0x%x  cur_daddr: 0x%x\n",
 			   pkt_dev->cur_saddr, pkt_dev->cur_daddr);
 
-
-	seq_printf(seq,  "     cur_udp_dst: %d  cur_udp_src: %d\n",
+	seq_printf(seq, "     cur_udp_dst: %d  cur_udp_src: %d\n",
 		   pkt_dev->cur_udp_dst, pkt_dev->cur_udp_src);
 
-	seq_printf(seq,  "     flows: %u\n", pkt_dev->nflows);
+	seq_printf(seq, "     flows: %u\n", pkt_dev->nflows);
 
 	if (pkt_dev->result[0])
-		seq_printf(seq,  "Result: %s\n", pkt_dev->result);
+		seq_printf(seq, "Result: %s\n", pkt_dev->result);
 	else
-		seq_printf(seq,  "Result: Idle\n");
+		seq_printf(seq, "Result: Idle\n");
 
 	return 0;
 }
 
-
-static int count_trail_chars(const char __user *user_buffer, unsigned int maxlen)
+static int count_trail_chars(const char __user * user_buffer,
+			     unsigned int maxlen)
 {
 	int i;
 
 	for (i = 0; i < maxlen; i++) {
-                char c;
-                if (get_user(c, &user_buffer[i]))
-                        return -EFAULT;
-                switch (c) {
+		char c;
+		if (get_user(c, &user_buffer[i]))
+			return -EFAULT;
+		switch (c) {
 		case '\"':
 		case '\n':
 		case '\r':
@@ -709,34 +717,34 @@ done:
 	return i;
 }
 
-static unsigned long num_arg(const char __user *user_buffer, unsigned long maxlen, 
-			     unsigned long *num)
+static unsigned long num_arg(const char __user * user_buffer,
+			     unsigned long maxlen, unsigned long *num)
 {
 	int i = 0;
 	*num = 0;
-  
-	for(; i < maxlen; i++) {
-                char c;
-                if (get_user(c, &user_buffer[i]))
-                        return -EFAULT;
-                if ((c >= '0') && (c <= '9')) {
+
+	for (; i < maxlen; i++) {
+		char c;
+		if (get_user(c, &user_buffer[i]))
+			return -EFAULT;
+		if ((c >= '0') && (c <= '9')) {
 			*num *= 10;
-			*num += c -'0';
+			*num += c - '0';
 		} else
 			break;
 	}
 	return i;
 }
 
-static int strn_len(const char __user *user_buffer, unsigned int maxlen)
+static int strn_len(const char __user * user_buffer, unsigned int maxlen)
 {
 	int i = 0;
 
-	for(; i < maxlen; i++) {
-                char c;
-                if (get_user(c, &user_buffer[i]))
-                        return -EFAULT;
-                switch (c) {
+	for (; i < maxlen; i++) {
+		char c;
+		if (get_user(c, &user_buffer[i]))
+			return -EFAULT;
+		switch (c) {
 		case '\"':
 		case '\n':
 		case '\r':
@@ -749,119 +757,133 @@ static int strn_len(const char __user *user_buffer, unsigned int maxlen)
 		};
 	}
 done_str:
-
 	return i;
 }
 
-static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer,
-			       size_t count, loff_t *offset)
+static ssize_t pktgen_if_write(struct file *file,
+			       const char __user * user_buffer, size_t count,
+			       loff_t * offset)
 {
-	struct seq_file *seq = (struct seq_file *) file->private_data;
-        struct pktgen_dev *pkt_dev = seq->private;
+	struct seq_file *seq = (struct seq_file *)file->private_data;
+	struct pktgen_dev *pkt_dev = seq->private;
 	int i = 0, max, len;
 	char name[16], valstr[32];
 	unsigned long value = 0;
-        char* pg_result = NULL;
-        int tmp = 0;
+	char *pg_result = NULL;
+	int tmp = 0;
 	char buf[128];
-        
-        pg_result = &(pkt_dev->result[0]);
-        
+
+	pg_result = &(pkt_dev->result[0]);
+
 	if (count < 1) {
 		printk("pktgen: wrong command format\n");
 		return -EINVAL;
 	}
-  
+
 	max = count - i;
 	tmp = count_trail_chars(&user_buffer[i], max);
-        if (tmp < 0) { 
+	if (tmp < 0) {
 		printk("pktgen: illegal format\n");
-		return tmp; 
+		return tmp;
 	}
-        i += tmp;
-        
+	i += tmp;
+
 	/* Read variable name */
 
 	len = strn_len(&user_buffer[i], sizeof(name) - 1);
-        if (len < 0) { return len; }
+	if (len < 0) {
+		return len;
+	}
 	memset(name, 0, sizeof(name));
-	if (copy_from_user(name, &user_buffer[i], len) )
+	if (copy_from_user(name, &user_buffer[i], len))
 		return -EFAULT;
 	i += len;
-  
-	max = count -i;
+
+	max = count - i;
 	len = count_trail_chars(&user_buffer[i], max);
-        if (len < 0) 
-                return len;
-        
+	if (len < 0)
+		return len;
+
 	i += len;
 
 	if (debug) {
-                char tb[count + 1];
-                if (copy_from_user(tb, user_buffer, count))
+		char tb[count + 1];
+		if (copy_from_user(tb, user_buffer, count))
 			return -EFAULT;
-                tb[count] = 0;
+		tb[count] = 0;
 		printk("pktgen: %s,%lu  buffer -:%s:-\n", name,
-		       (unsigned long) count, tb);
-        }
+		       (unsigned long)count, tb);
+	}
 
 	if (!strcmp(name, "min_pkt_size")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-		if (value < 14+20+8)
-			value = 14+20+8;
-                if (value != pkt_dev->min_pkt_size) {
-                        pkt_dev->min_pkt_size = value;
-                        pkt_dev->cur_pkt_size = value;
-                }
-		sprintf(pg_result, "OK: min_pkt_size=%u", pkt_dev->min_pkt_size);
+		if (value < 14 + 20 + 8)
+			value = 14 + 20 + 8;
+		if (value != pkt_dev->min_pkt_size) {
+			pkt_dev->min_pkt_size = value;
+			pkt_dev->cur_pkt_size = value;
+		}
+		sprintf(pg_result, "OK: min_pkt_size=%u",
+			pkt_dev->min_pkt_size);
 		return count;
 	}
 
-        if (!strcmp(name, "max_pkt_size")) {
+	if (!strcmp(name, "max_pkt_size")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-		if (value < 14+20+8)
-			value = 14+20+8;
-                if (value != pkt_dev->max_pkt_size) {
-                        pkt_dev->max_pkt_size = value;
-                        pkt_dev->cur_pkt_size = value;
-                }
-		sprintf(pg_result, "OK: max_pkt_size=%u", pkt_dev->max_pkt_size);
+		if (value < 14 + 20 + 8)
+			value = 14 + 20 + 8;
+		if (value != pkt_dev->max_pkt_size) {
+			pkt_dev->max_pkt_size = value;
+			pkt_dev->cur_pkt_size = value;
+		}
+		sprintf(pg_result, "OK: max_pkt_size=%u",
+			pkt_dev->max_pkt_size);
 		return count;
 	}
 
-        /* Shortcut for min = max */
+	/* Shortcut for min = max */
 
 	if (!strcmp(name, "pkt_size")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-		if (value < 14+20+8)
-			value = 14+20+8;
-                if (value != pkt_dev->min_pkt_size) {
-                        pkt_dev->min_pkt_size = value;
-                        pkt_dev->max_pkt_size = value;
-                        pkt_dev->cur_pkt_size = value;
-                }
+		if (value < 14 + 20 + 8)
+			value = 14 + 20 + 8;
+		if (value != pkt_dev->min_pkt_size) {
+			pkt_dev->min_pkt_size = value;
+			pkt_dev->max_pkt_size = value;
+			pkt_dev->cur_pkt_size = value;
+		}
 		sprintf(pg_result, "OK: pkt_size=%u", pkt_dev->min_pkt_size);
 		return count;
 	}
 
-        if (!strcmp(name, "debug")) {
+	if (!strcmp(name, "debug")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                debug = value;
+		debug = value;
 		sprintf(pg_result, "OK: debug=%u", debug);
 		return count;
 	}
 
-        if (!strcmp(name, "frags")) {
+	if (!strcmp(name, "frags")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		pkt_dev->nfrags = value;
 		sprintf(pg_result, "OK: frags=%u", pkt_dev->nfrags);
@@ -869,7 +891,9 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 	}
 	if (!strcmp(name, "delay")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		if (value == 0x7FFFFFFF) {
 			pkt_dev->delay_us = 0x7FFFFFFF;
@@ -878,308 +902,347 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 			pkt_dev->delay_us = value / 1000;
 			pkt_dev->delay_ns = value % 1000;
 		}
-		sprintf(pg_result, "OK: delay=%u", 1000*pkt_dev->delay_us+pkt_dev->delay_ns);
+		sprintf(pg_result, "OK: delay=%u",
+			1000 * pkt_dev->delay_us + pkt_dev->delay_ns);
 		return count;
 	}
- 	if (!strcmp(name, "udp_src_min")) {
+	if (!strcmp(name, "udp_src_min")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                if (value != pkt_dev->udp_src_min) {
-                        pkt_dev->udp_src_min = value;
-                        pkt_dev->cur_udp_src = value;
-                }       
+		if (value != pkt_dev->udp_src_min) {
+			pkt_dev->udp_src_min = value;
+			pkt_dev->cur_udp_src = value;
+		}
 		sprintf(pg_result, "OK: udp_src_min=%u", pkt_dev->udp_src_min);
 		return count;
 	}
- 	if (!strcmp(name, "udp_dst_min")) {
+	if (!strcmp(name, "udp_dst_min")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                if (value != pkt_dev->udp_dst_min) {
-                        pkt_dev->udp_dst_min = value;
-                        pkt_dev->cur_udp_dst = value;
-                }
+		if (value != pkt_dev->udp_dst_min) {
+			pkt_dev->udp_dst_min = value;
+			pkt_dev->cur_udp_dst = value;
+		}
 		sprintf(pg_result, "OK: udp_dst_min=%u", pkt_dev->udp_dst_min);
 		return count;
 	}
- 	if (!strcmp(name, "udp_src_max")) {
+	if (!strcmp(name, "udp_src_max")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                if (value != pkt_dev->udp_src_max) {
-                        pkt_dev->udp_src_max = value;
-                        pkt_dev->cur_udp_src = value;
-                }
+		if (value != pkt_dev->udp_src_max) {
+			pkt_dev->udp_src_max = value;
+			pkt_dev->cur_udp_src = value;
+		}
 		sprintf(pg_result, "OK: udp_src_max=%u", pkt_dev->udp_src_max);
 		return count;
 	}
- 	if (!strcmp(name, "udp_dst_max")) {
+	if (!strcmp(name, "udp_dst_max")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                if (value != pkt_dev->udp_dst_max) {
-                        pkt_dev->udp_dst_max = value;
-                        pkt_dev->cur_udp_dst = value;
-                }
+		if (value != pkt_dev->udp_dst_max) {
+			pkt_dev->udp_dst_max = value;
+			pkt_dev->cur_udp_dst = value;
+		}
 		sprintf(pg_result, "OK: udp_dst_max=%u", pkt_dev->udp_dst_max);
 		return count;
 	}
 	if (!strcmp(name, "clone_skb")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
-                pkt_dev->clone_skb = value;
-	
+		pkt_dev->clone_skb = value;
+
 		sprintf(pg_result, "OK: clone_skb=%d", pkt_dev->clone_skb);
 		return count;
 	}
 	if (!strcmp(name, "count")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		pkt_dev->count = value;
 		sprintf(pg_result, "OK: count=%llu",
-			(unsigned long long) pkt_dev->count);
+			(unsigned long long)pkt_dev->count);
 		return count;
 	}
 	if (!strcmp(name, "src_mac_count")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		if (pkt_dev->src_mac_count != value) {
-                        pkt_dev->src_mac_count = value;
-                        pkt_dev->cur_src_mac_offset = 0;
-                }
-		sprintf(pg_result, "OK: src_mac_count=%d", pkt_dev->src_mac_count);
+			pkt_dev->src_mac_count = value;
+			pkt_dev->cur_src_mac_offset = 0;
+		}
+		sprintf(pg_result, "OK: src_mac_count=%d",
+			pkt_dev->src_mac_count);
 		return count;
 	}
 	if (!strcmp(name, "dst_mac_count")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		if (pkt_dev->dst_mac_count != value) {
-                        pkt_dev->dst_mac_count = value;
-                        pkt_dev->cur_dst_mac_offset = 0;
-                }
-		sprintf(pg_result, "OK: dst_mac_count=%d", pkt_dev->dst_mac_count);
+			pkt_dev->dst_mac_count = value;
+			pkt_dev->cur_dst_mac_offset = 0;
+		}
+		sprintf(pg_result, "OK: dst_mac_count=%d",
+			pkt_dev->dst_mac_count);
 		return count;
 	}
 	if (!strcmp(name, "flag")) {
-                char f[32];
-                memset(f, 0, 32);
+		char f[32];
+		memset(f, 0, 32);
 		len = strn_len(&user_buffer[i], sizeof(f) - 1);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		if (copy_from_user(f, &user_buffer[i], len))
 			return -EFAULT;
 		i += len;
-                if (strcmp(f, "IPSRC_RND") == 0) 
-                        pkt_dev->flags |= F_IPSRC_RND;
-                
-                else if (strcmp(f, "!IPSRC_RND") == 0) 
-                        pkt_dev->flags &= ~F_IPSRC_RND;
-                
-                else if (strcmp(f, "TXSIZE_RND") == 0) 
-                        pkt_dev->flags |= F_TXSIZE_RND;
-                
-                else if (strcmp(f, "!TXSIZE_RND") == 0) 
-                        pkt_dev->flags &= ~F_TXSIZE_RND;
-                
-                else if (strcmp(f, "IPDST_RND") == 0) 
-                        pkt_dev->flags |= F_IPDST_RND;
-                
-                else if (strcmp(f, "!IPDST_RND") == 0) 
-                        pkt_dev->flags &= ~F_IPDST_RND;
-                
-                else if (strcmp(f, "UDPSRC_RND") == 0) 
-                        pkt_dev->flags |= F_UDPSRC_RND;
-                
-                else if (strcmp(f, "!UDPSRC_RND") == 0) 
-                        pkt_dev->flags &= ~F_UDPSRC_RND;
-                
-                else if (strcmp(f, "UDPDST_RND") == 0) 
-                        pkt_dev->flags |= F_UDPDST_RND;
-                
-                else if (strcmp(f, "!UDPDST_RND") == 0) 
-                        pkt_dev->flags &= ~F_UDPDST_RND;
-                
-                else if (strcmp(f, "MACSRC_RND") == 0) 
-                        pkt_dev->flags |= F_MACSRC_RND;
-                
-                else if (strcmp(f, "!MACSRC_RND") == 0) 
-                        pkt_dev->flags &= ~F_MACSRC_RND;
-                
-                else if (strcmp(f, "MACDST_RND") == 0) 
-                        pkt_dev->flags |= F_MACDST_RND;
-                
-                else if (strcmp(f, "!MACDST_RND") == 0) 
-                        pkt_dev->flags &= ~F_MACDST_RND;
-                
-                else {
-                        sprintf(pg_result, "Flag -:%s:- unknown\nAvailable flags, (prepend ! to un-set flag):\n%s",
-                                f,
-                                "IPSRC_RND, IPDST_RND, TXSIZE_RND, UDPSRC_RND, UDPDST_RND, MACSRC_RND, MACDST_RND\n");
-                        return count;
-                }
+		if (strcmp(f, "IPSRC_RND") == 0)
+			pkt_dev->flags |= F_IPSRC_RND;
+
+		else if (strcmp(f, "!IPSRC_RND") == 0)
+			pkt_dev->flags &= ~F_IPSRC_RND;
+
+		else if (strcmp(f, "TXSIZE_RND") == 0)
+			pkt_dev->flags |= F_TXSIZE_RND;
+
+		else if (strcmp(f, "!TXSIZE_RND") == 0)
+			pkt_dev->flags &= ~F_TXSIZE_RND;
+
+		else if (strcmp(f, "IPDST_RND") == 0)
+			pkt_dev->flags |= F_IPDST_RND;
+
+		else if (strcmp(f, "!IPDST_RND") == 0)
+			pkt_dev->flags &= ~F_IPDST_RND;
+
+		else if (strcmp(f, "UDPSRC_RND") == 0)
+			pkt_dev->flags |= F_UDPSRC_RND;
+
+		else if (strcmp(f, "!UDPSRC_RND") == 0)
+			pkt_dev->flags &= ~F_UDPSRC_RND;
+
+		else if (strcmp(f, "UDPDST_RND") == 0)
+			pkt_dev->flags |= F_UDPDST_RND;
+
+		else if (strcmp(f, "!UDPDST_RND") == 0)
+			pkt_dev->flags &= ~F_UDPDST_RND;
+
+		else if (strcmp(f, "MACSRC_RND") == 0)
+			pkt_dev->flags |= F_MACSRC_RND;
+
+		else if (strcmp(f, "!MACSRC_RND") == 0)
+			pkt_dev->flags &= ~F_MACSRC_RND;
+
+		else if (strcmp(f, "MACDST_RND") == 0)
+			pkt_dev->flags |= F_MACDST_RND;
+
+		else if (strcmp(f, "!MACDST_RND") == 0)
+			pkt_dev->flags &= ~F_MACDST_RND;
+
+		else {
+			sprintf(pg_result,
+				"Flag -:%s:- unknown\nAvailable flags, (prepend ! to un-set flag):\n%s",
+				f,
+				"IPSRC_RND, IPDST_RND, TXSIZE_RND, UDPSRC_RND, UDPDST_RND, MACSRC_RND, MACDST_RND\n");
+			return count;
+		}
 		sprintf(pg_result, "OK: flags=0x%x", pkt_dev->flags);
 		return count;
 	}
 	if (!strcmp(name, "dst_min") || !strcmp(name, "dst")) {
 		len = strn_len(&user_buffer[i], sizeof(pkt_dev->dst_min) - 1);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
-                if (strcmp(buf, pkt_dev->dst_min) != 0) {
-                        memset(pkt_dev->dst_min, 0, sizeof(pkt_dev->dst_min));
-                        strncpy(pkt_dev->dst_min, buf, len);
-                        pkt_dev->daddr_min = in_aton(pkt_dev->dst_min);
-                        pkt_dev->cur_daddr = pkt_dev->daddr_min;
-                }
-                if(debug)
-                        printk("pktgen: dst_min set to: %s\n", pkt_dev->dst_min);
-                i += len;
+		buf[len] = 0;
+		if (strcmp(buf, pkt_dev->dst_min) != 0) {
+			memset(pkt_dev->dst_min, 0, sizeof(pkt_dev->dst_min));
+			strncpy(pkt_dev->dst_min, buf, len);
+			pkt_dev->daddr_min = in_aton(pkt_dev->dst_min);
+			pkt_dev->cur_daddr = pkt_dev->daddr_min;
+		}
+		if (debug)
+			printk("pktgen: dst_min set to: %s\n",
+			       pkt_dev->dst_min);
+		i += len;
 		sprintf(pg_result, "OK: dst_min=%s", pkt_dev->dst_min);
 		return count;
 	}
 	if (!strcmp(name, "dst_max")) {
 		len = strn_len(&user_buffer[i], sizeof(pkt_dev->dst_max) - 1);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
 
-                buf[len] = 0;
-                if (strcmp(buf, pkt_dev->dst_max) != 0) {
-                        memset(pkt_dev->dst_max, 0, sizeof(pkt_dev->dst_max));
-                        strncpy(pkt_dev->dst_max, buf, len);
-                        pkt_dev->daddr_max = in_aton(pkt_dev->dst_max);
-                        pkt_dev->cur_daddr = pkt_dev->daddr_max;
-                }
-		if(debug)
-			printk("pktgen: dst_max set to: %s\n", pkt_dev->dst_max);
+		buf[len] = 0;
+		if (strcmp(buf, pkt_dev->dst_max) != 0) {
+			memset(pkt_dev->dst_max, 0, sizeof(pkt_dev->dst_max));
+			strncpy(pkt_dev->dst_max, buf, len);
+			pkt_dev->daddr_max = in_aton(pkt_dev->dst_max);
+			pkt_dev->cur_daddr = pkt_dev->daddr_max;
+		}
+		if (debug)
+			printk("pktgen: dst_max set to: %s\n",
+			       pkt_dev->dst_max);
 		i += len;
 		sprintf(pg_result, "OK: dst_max=%s", pkt_dev->dst_max);
 		return count;
 	}
 	if (!strcmp(name, "dst6")) {
 		len = strn_len(&user_buffer[i], sizeof(buf) - 1);
-                if (len < 0) return len; 
+		if (len < 0)
+			return len;
 
 		pkt_dev->flags |= F_IPV6;
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
+		buf[len] = 0;
 
 		scan_ip6(buf, pkt_dev->in6_daddr.s6_addr);
-		fmt_ip6(buf,  pkt_dev->in6_daddr.s6_addr);
+		fmt_ip6(buf, pkt_dev->in6_daddr.s6_addr);
 
 		ipv6_addr_copy(&pkt_dev->cur_in6_daddr, &pkt_dev->in6_daddr);
 
-                if(debug) 
+		if (debug)
 			printk("pktgen: dst6 set to: %s\n", buf);
 
-                i += len;
+		i += len;
 		sprintf(pg_result, "OK: dst6=%s", buf);
 		return count;
 	}
 	if (!strcmp(name, "dst6_min")) {
 		len = strn_len(&user_buffer[i], sizeof(buf) - 1);
-                if (len < 0) return len; 
+		if (len < 0)
+			return len;
 
 		pkt_dev->flags |= F_IPV6;
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
+		buf[len] = 0;
 
 		scan_ip6(buf, pkt_dev->min_in6_daddr.s6_addr);
-		fmt_ip6(buf,  pkt_dev->min_in6_daddr.s6_addr);
+		fmt_ip6(buf, pkt_dev->min_in6_daddr.s6_addr);
 
-		ipv6_addr_copy(&pkt_dev->cur_in6_daddr, &pkt_dev->min_in6_daddr);
-                if(debug) 
+		ipv6_addr_copy(&pkt_dev->cur_in6_daddr,
+			       &pkt_dev->min_in6_daddr);
+		if (debug)
 			printk("pktgen: dst6_min set to: %s\n", buf);
 
-                i += len;
+		i += len;
 		sprintf(pg_result, "OK: dst6_min=%s", buf);
 		return count;
 	}
 	if (!strcmp(name, "dst6_max")) {
 		len = strn_len(&user_buffer[i], sizeof(buf) - 1);
-                if (len < 0) return len; 
+		if (len < 0)
+			return len;
 
 		pkt_dev->flags |= F_IPV6;
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
+		buf[len] = 0;
 
 		scan_ip6(buf, pkt_dev->max_in6_daddr.s6_addr);
-		fmt_ip6(buf,  pkt_dev->max_in6_daddr.s6_addr);
+		fmt_ip6(buf, pkt_dev->max_in6_daddr.s6_addr);
 
-                if(debug) 
+		if (debug)
 			printk("pktgen: dst6_max set to: %s\n", buf);
 
-                i += len;
+		i += len;
 		sprintf(pg_result, "OK: dst6_max=%s", buf);
 		return count;
 	}
 	if (!strcmp(name, "src6")) {
 		len = strn_len(&user_buffer[i], sizeof(buf) - 1);
-                if (len < 0) return len; 
+		if (len < 0)
+			return len;
 
 		pkt_dev->flags |= F_IPV6;
 
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
+		buf[len] = 0;
 
 		scan_ip6(buf, pkt_dev->in6_saddr.s6_addr);
-		fmt_ip6(buf,  pkt_dev->in6_saddr.s6_addr);
+		fmt_ip6(buf, pkt_dev->in6_saddr.s6_addr);
 
 		ipv6_addr_copy(&pkt_dev->cur_in6_saddr, &pkt_dev->in6_saddr);
 
-                if(debug) 
+		if (debug)
 			printk("pktgen: src6 set to: %s\n", buf);
-		
-                i += len;
+
+		i += len;
 		sprintf(pg_result, "OK: src6=%s", buf);
 		return count;
 	}
 	if (!strcmp(name, "src_min")) {
 		len = strn_len(&user_buffer[i], sizeof(pkt_dev->src_min) - 1);
-                if (len < 0) { return len; }
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (len < 0) {
+			return len;
+		}
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
-                if (strcmp(buf, pkt_dev->src_min) != 0) {
-                        memset(pkt_dev->src_min, 0, sizeof(pkt_dev->src_min));
-                        strncpy(pkt_dev->src_min, buf, len);
-                        pkt_dev->saddr_min = in_aton(pkt_dev->src_min);
-                        pkt_dev->cur_saddr = pkt_dev->saddr_min;
-                }
-		if(debug)
-			printk("pktgen: src_min set to: %s\n", pkt_dev->src_min);
+		buf[len] = 0;
+		if (strcmp(buf, pkt_dev->src_min) != 0) {
+			memset(pkt_dev->src_min, 0, sizeof(pkt_dev->src_min));
+			strncpy(pkt_dev->src_min, buf, len);
+			pkt_dev->saddr_min = in_aton(pkt_dev->src_min);
+			pkt_dev->cur_saddr = pkt_dev->saddr_min;
+		}
+		if (debug)
+			printk("pktgen: src_min set to: %s\n",
+			       pkt_dev->src_min);
 		i += len;
 		sprintf(pg_result, "OK: src_min=%s", pkt_dev->src_min);
 		return count;
 	}
 	if (!strcmp(name, "src_max")) {
 		len = strn_len(&user_buffer[i], sizeof(pkt_dev->src_max) - 1);
-                if (len < 0) { return len; }
-                if (copy_from_user(buf, &user_buffer[i], len))
+		if (len < 0) {
+			return len;
+		}
+		if (copy_from_user(buf, &user_buffer[i], len))
 			return -EFAULT;
-                buf[len] = 0;
-                if (strcmp(buf, pkt_dev->src_max) != 0) {
-                        memset(pkt_dev->src_max, 0, sizeof(pkt_dev->src_max));
-                        strncpy(pkt_dev->src_max, buf, len);
-                        pkt_dev->saddr_max = in_aton(pkt_dev->src_max);
-                        pkt_dev->cur_saddr = pkt_dev->saddr_max;
-                }
-		if(debug)
-			printk("pktgen: src_max set to: %s\n", pkt_dev->src_max);
+		buf[len] = 0;
+		if (strcmp(buf, pkt_dev->src_max) != 0) {
+			memset(pkt_dev->src_max, 0, sizeof(pkt_dev->src_max));
+			strncpy(pkt_dev->src_max, buf, len);
+			pkt_dev->saddr_max = in_aton(pkt_dev->src_max);
+			pkt_dev->cur_saddr = pkt_dev->saddr_max;
+		}
+		if (debug)
+			printk("pktgen: src_max set to: %s\n",
+			       pkt_dev->src_max);
 		i += len;
 		sprintf(pg_result, "OK: src_max=%s", pkt_dev->src_max);
 		return count;
@@ -1189,15 +1252,17 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 		unsigned char old_dmac[ETH_ALEN];
 		unsigned char *m = pkt_dev->dst_mac;
 		memcpy(old_dmac, pkt_dev->dst_mac, ETH_ALEN);
-                
+
 		len = strn_len(&user_buffer[i], sizeof(valstr) - 1);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		memset(valstr, 0, sizeof(valstr));
-		if( copy_from_user(valstr, &user_buffer[i], len))
+		if (copy_from_user(valstr, &user_buffer[i], len))
 			return -EFAULT;
 		i += len;
 
-		for(*m = 0;*v && m < pkt_dev->dst_mac + 6; v++) {
+		for (*m = 0; *v && m < pkt_dev->dst_mac + 6; v++) {
 			if (*v >= '0' && *v <= '9') {
 				*m *= 16;
 				*m += *v - '0';
@@ -1219,7 +1284,7 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 		/* Set up Dest MAC */
 		if (compare_ether_addr(old_dmac, pkt_dev->dst_mac))
 			memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN);
-                
+
 		sprintf(pg_result, "OK: dstmac");
 		return count;
 	}
@@ -1228,13 +1293,15 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 		unsigned char *m = pkt_dev->src_mac;
 
 		len = strn_len(&user_buffer[i], sizeof(valstr) - 1);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		memset(valstr, 0, sizeof(valstr));
-		if( copy_from_user(valstr, &user_buffer[i], len)) 
+		if (copy_from_user(valstr, &user_buffer[i], len))
 			return -EFAULT;
 		i += len;
 
-		for(*m = 0;*v && m < pkt_dev->src_mac + 6; v++) {
+		for (*m = 0; *v && m < pkt_dev->src_mac + 6; v++) {
 			if (*v >= '0' && *v <= '9') {
 				*m *= 16;
 				*m += *v - '0';
@@ -1251,21 +1318,23 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 				m++;
 				*m = 0;
 			}
-		}	  
+		}
 
-                sprintf(pg_result, "OK: srcmac");
+		sprintf(pg_result, "OK: srcmac");
 		return count;
 	}
 
-        if (!strcmp(name, "clear_counters")) {
-                pktgen_clear_counters(pkt_dev);
-                sprintf(pg_result, "OK: Clearing counters.\n");
-                return count;
-        }
+	if (!strcmp(name, "clear_counters")) {
+		pktgen_clear_counters(pkt_dev);
+		sprintf(pg_result, "OK: Clearing counters.\n");
+		return count;
+	}
 
 	if (!strcmp(name, "flows")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		if (value > MAX_CFLOWS)
 			value = MAX_CFLOWS;
@@ -1277,13 +1346,15 @@ static ssize_t pktgen_if_write(struct file *file, const char __user *user_buffer
 
 	if (!strcmp(name, "flowlen")) {
 		len = num_arg(&user_buffer[i], 10, &value);
-                if (len < 0) { return len; }
+		if (len < 0) {
+			return len;
+		}
 		i += len;
 		pkt_dev->lflow = value;
 		sprintf(pg_result, "OK: flowlen=%u", pkt_dev->lflow);
 		return count;
 	}
-        
+
 	sprintf(pkt_dev->result, "No such parameter \"%s\"", name);
 	return -EINVAL;
 }
@@ -1294,35 +1365,35 @@ static int pktgen_if_open(struct inode *inode, struct file *file)
 }
 
 static struct file_operations pktgen_if_fops = {
-	.owner	  = THIS_MODULE,
-	.open	  = pktgen_if_open,
-        .read     = seq_read,
-	.llseek	  = seq_lseek,
-        .write    = pktgen_if_write,
-	.release  = single_release,
+	.owner   = THIS_MODULE,
+	.open    = pktgen_if_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.write   = pktgen_if_write,
+	.release = single_release,
 };
 
 static int pktgen_thread_show(struct seq_file *seq, void *v)
 {
-        struct pktgen_thread *t = seq->private;
-        struct pktgen_dev *pkt_dev = NULL;
+	struct pktgen_thread *t = seq->private;
+	struct pktgen_dev *pkt_dev = NULL;
 
 	BUG_ON(!t);
 
 	seq_printf(seq, "Name: %s  max_before_softirq: %d\n",
-                     t->name, t->max_before_softirq);
+		   t->name, t->max_before_softirq);
+
+	seq_printf(seq, "Running: ");
 
-        seq_printf(seq, "Running: ");
-        
-        if_lock(t);
-        for(pkt_dev = t->if_list;pkt_dev; pkt_dev = pkt_dev->next) 
-		if(pkt_dev->running)
+	if_lock(t);
+	for (pkt_dev = t->if_list; pkt_dev; pkt_dev = pkt_dev->next)
+		if (pkt_dev->running)
 			seq_printf(seq, "%s ", pkt_dev->ifname);
-        
-        seq_printf(seq, "\nStopped: ");
 
-        for(pkt_dev = t->if_list;pkt_dev; pkt_dev = pkt_dev->next) 
-		if(!pkt_dev->running)
+	seq_printf(seq, "\nStopped: ");
+
+	for (pkt_dev = t->if_list; pkt_dev; pkt_dev = pkt_dev->next)
+		if (!pkt_dev->running)
 			seq_printf(seq, "%s ", pkt_dev->ifname);
 
 	if (t->result[0])
@@ -1330,30 +1401,30 @@ static int pktgen_thread_show(struct seq_file *seq, void *v)
 	else
 		seq_printf(seq, "\nResult: NA\n");
 
-        if_unlock(t);
+	if_unlock(t);
 
 	return 0;
 }
 
 static ssize_t pktgen_thread_write(struct file *file,
-				   const char __user *user_buffer,
-				   size_t count, loff_t *offset)
+				   const char __user * user_buffer,
+				   size_t count, loff_t * offset)
 {
-	struct seq_file *seq = (struct seq_file *) file->private_data;
-        struct pktgen_thread *t = seq->private;
+	struct seq_file *seq = (struct seq_file *)file->private_data;
+	struct pktgen_thread *t = seq->private;
 	int i = 0, max, len, ret;
 	char name[40];
-        char *pg_result;
-        unsigned long value = 0;
+	char *pg_result;
+	unsigned long value = 0;
 
 	if (count < 1) {
-		//	sprintf(pg_result, "Wrong command format");
+		//      sprintf(pg_result, "Wrong command format");
 		return -EINVAL;
 	}
 
 	max = count - i;
-        len = count_trail_chars(&user_buffer[i], max);
-        if (len < 0)
+	len = count_trail_chars(&user_buffer[i], max);
+	if (len < 0)
 		return len;
 
 	i += len;
@@ -1361,26 +1432,25 @@ static ssize_t pktgen_thread_write(struct file *file,
 	/* Read variable name */
 
 	len = strn_len(&user_buffer[i], sizeof(name) - 1);
-        if (len < 0)
+	if (len < 0)
 		return len;
-	
+
 	memset(name, 0, sizeof(name));
 	if (copy_from_user(name, &user_buffer[i], len))
 		return -EFAULT;
 	i += len;
 
-	max = count -i;
+	max = count - i;
 	len = count_trail_chars(&user_buffer[i], max);
-        if (len < 0)
+	if (len < 0)
 		return len;
 
 	i += len;
 
 	if (debug)
-		printk("pktgen: t=%s, count=%lu\n", name,
-		       (unsigned long) count);
+		printk("pktgen: t=%s, count=%lu\n", name, (unsigned long)count);
 
-	if(!t) {
+	if (!t) {
 		printk("pktgen: ERROR: No thread\n");
 		ret = -EINVAL;
 		goto out;
@@ -1388,48 +1458,47 @@ static ssize_t pktgen_thread_write(struct file *file,
 
 	pg_result = &(t->result[0]);
 
-        if (!strcmp(name, "add_device")) {
-                char f[32];
-                memset(f, 0, 32);
+	if (!strcmp(name, "add_device")) {
+		char f[32];
+		memset(f, 0, 32);
 		len = strn_len(&user_buffer[i], sizeof(f) - 1);
-                if (len < 0) { 
-			ret = len; 
+		if (len < 0) {
+			ret = len;
 			goto out;
 		}
-		if( copy_from_user(f, &user_buffer[i], len) )
+		if (copy_from_user(f, &user_buffer[i], len))
 			return -EFAULT;
 		i += len;
 		thread_lock();
-                pktgen_add_device(t, f);
+		pktgen_add_device(t, f);
 		thread_unlock();
-                ret = count;
-                sprintf(pg_result, "OK: add_device=%s", f);
+		ret = count;
+		sprintf(pg_result, "OK: add_device=%s", f);
 		goto out;
 	}
 
-        if (!strcmp(name, "rem_device_all")) {
+	if (!strcmp(name, "rem_device_all")) {
 		thread_lock();
 		t->control |= T_REMDEVALL;
 		thread_unlock();
-		schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
+		schedule_timeout_interruptible(msecs_to_jiffies(125));	/* Propagate thread->control  */
 		ret = count;
-                sprintf(pg_result, "OK: rem_device_all");
+		sprintf(pg_result, "OK: rem_device_all");
 		goto out;
 	}
 
-        if (!strcmp(name, "max_before_softirq")) {
-                len = num_arg(&user_buffer[i], 10, &value);
+	if (!strcmp(name, "max_before_softirq")) {
+		len = num_arg(&user_buffer[i], 10, &value);
 		thread_lock();
-                t->max_before_softirq = value;
+		t->max_before_softirq = value;
 		thread_unlock();
-                ret = count;
-                sprintf(pg_result, "OK: max_before_softirq=%lu", value);
+		ret = count;
+		sprintf(pg_result, "OK: max_before_softirq=%lu", value);
 		goto out;
 	}
 
 	ret = -EINVAL;
- out:
-
+out:
 	return ret;
 }
 
@@ -1439,42 +1508,42 @@ static int pktgen_thread_open(struct inode *inode, struct file *file)
 }
 
 static struct file_operations pktgen_thread_fops = {
-	.owner	  = THIS_MODULE,
-	.open	  = pktgen_thread_open,
-        .read     = seq_read,
-	.llseek	  = seq_lseek,
-        .write    = pktgen_thread_write,
-	.release  = single_release,
+	.owner   = THIS_MODULE,
+	.open    = pktgen_thread_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.write   = pktgen_thread_write,
+	.release = single_release,
 };
 
 /* Think find or remove for NN */
-static struct pktgen_dev *__pktgen_NN_threads(const char* ifname, int remove) 
+static struct pktgen_dev *__pktgen_NN_threads(const char *ifname, int remove)
 {
 	struct pktgen_thread *t;
 	struct pktgen_dev *pkt_dev = NULL;
 
-        t = pktgen_threads;
-                
+	t = pktgen_threads;
+
 	while (t) {
 		pkt_dev = pktgen_find_dev(t, ifname);
 		if (pkt_dev) {
-		                if(remove) { 
-				        if_lock(t);
-					pkt_dev->removal_mark = 1;
-					t->control |=  T_REMDEV;
-				        if_unlock(t);
-				}
+			if (remove) {
+				if_lock(t);
+				pkt_dev->removal_mark = 1;
+				t->control |= T_REMDEV;
+				if_unlock(t);
+			}
 			break;
 		}
 		t = t->next;
 	}
-        return pkt_dev;
+	return pkt_dev;
 }
 
 /*
  * mark a device for removal
  */
-static int pktgen_mark_device(const char* ifname)
+static int pktgen_mark_device(const char *ifname)
 {
 	struct pktgen_dev *pkt_dev = NULL;
 	const int max_tries = 10, msec_per_try = 125;
@@ -1482,24 +1551,25 @@ static int pktgen_mark_device(const char* ifname)
 	int ret = 0;
 
 	thread_lock();
-        PG_DEBUG(printk("pktgen: pktgen_mark_device marking %s for removal\n",
+	PG_DEBUG(printk("pktgen: pktgen_mark_device marking %s for removal\n",
 			ifname));
 
-	while(1) {
+	while (1) {
 
 		pkt_dev = __pktgen_NN_threads(ifname, REMOVE);
-		if (pkt_dev == NULL) break; /* success */
+		if (pkt_dev == NULL)
+			break;	/* success */
 
 		thread_unlock();
 		PG_DEBUG(printk("pktgen: pktgen_mark_device waiting for %s "
-			"to disappear....\n", ifname));
+				"to disappear....\n", ifname));
 		schedule_timeout_interruptible(msecs_to_jiffies(msec_per_try));
 		thread_lock();
 
 		if (++i >= max_tries) {
 			printk("pktgen_mark_device: timed out after waiting "
-				"%d msec for device %s to be removed\n",
-				msec_per_try*i, ifname);
+			       "%d msec for device %s to be removed\n",
+			       msec_per_try * i, ifname);
 			ret = 1;
 			break;
 		}
@@ -1511,7 +1581,8 @@ static int pktgen_mark_device(const char* ifname)
 	return ret;
 }
 
-static int pktgen_device_event(struct notifier_block *unused, unsigned long event, void *ptr) 
+static int pktgen_device_event(struct notifier_block *unused,
+			       unsigned long event, void *ptr)
 {
 	struct net_device *dev = (struct net_device *)(ptr);
 
@@ -1526,9 +1597,9 @@ static int pktgen_device_event(struct notifier_block *unused, unsigned long even
 	case NETDEV_UP:
 		/* Ignore for now */
 		break;
-		
+
 	case NETDEV_UNREGISTER:
-                pktgen_mark_device(dev->name);
+		pktgen_mark_device(dev->name);
 		break;
 	};
 
@@ -1537,15 +1608,16 @@ static int pktgen_device_event(struct notifier_block *unused, unsigned long even
 
 /* Associate pktgen_dev with a device. */
 
-static struct net_device* pktgen_setup_dev(struct pktgen_dev *pkt_dev) {
+static struct net_device *pktgen_setup_dev(struct pktgen_dev *pkt_dev)
+{
 	struct net_device *odev;
 
 	/* Clean old setups */
 
 	if (pkt_dev->odev) {
 		dev_put(pkt_dev->odev);
-                pkt_dev->odev = NULL;
-        }
+		pkt_dev->odev = NULL;
+	}
 
 	odev = dev_get_by_name(pkt_dev->ifname);
 
@@ -1554,7 +1626,8 @@ static struct net_device* pktgen_setup_dev(struct pktgen_dev *pkt_dev) {
 		goto out;
 	}
 	if (odev->type != ARPHRD_ETHER) {
-		printk("pktgen: not an ethernet device: \"%s\"\n", pkt_dev->ifname);
+		printk("pktgen: not an ethernet device: \"%s\"\n",
+		       pkt_dev->ifname);
 		goto out_put;
 	}
 	if (!netif_running(odev)) {
@@ -1562,13 +1635,13 @@ static struct net_device* pktgen_setup_dev(struct pktgen_dev *pkt_dev) {
 		goto out_put;
 	}
 	pkt_dev->odev = odev;
-	
-        return pkt_dev->odev;
+
+	return pkt_dev->odev;
 
 out_put:
 	dev_put(odev);
 out:
- 	return NULL;
+	return NULL;
 
 }
 
@@ -1578,59 +1651,64 @@ out:
 static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 {
 	/* Try once more, just in case it works now. */
-        if (!pkt_dev->odev) 
-                pktgen_setup_dev(pkt_dev);
-        
-        if (!pkt_dev->odev) {
-                printk("pktgen: ERROR: pkt_dev->odev == NULL in setup_inject.\n");
-                sprintf(pkt_dev->result, "ERROR: pkt_dev->odev == NULL in setup_inject.\n");
-                return;
-        }
-        
-        /* Default to the interface's mac if not explicitly set. */
+	if (!pkt_dev->odev)
+		pktgen_setup_dev(pkt_dev);
+
+	if (!pkt_dev->odev) {
+		printk("pktgen: ERROR: pkt_dev->odev == NULL in setup_inject.\n");
+		sprintf(pkt_dev->result,
+			"ERROR: pkt_dev->odev == NULL in setup_inject.\n");
+		return;
+	}
+
+	/* Default to the interface's mac if not explicitly set. */
 
 	if (is_zero_ether_addr(pkt_dev->src_mac))
-	       memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, ETH_ALEN);
+		memcpy(&(pkt_dev->hh[6]), pkt_dev->odev->dev_addr, ETH_ALEN);
 
-        /* Set up Dest MAC */
+	/* Set up Dest MAC */
 	memcpy(&(pkt_dev->hh[0]), pkt_dev->dst_mac, ETH_ALEN);
 
-        /* Set up pkt size */
-        pkt_dev->cur_pkt_size = pkt_dev->min_pkt_size;
-	
-	if(pkt_dev->flags & F_IPV6) {
+	/* Set up pkt size */
+	pkt_dev->cur_pkt_size = pkt_dev->min_pkt_size;
+
+	if (pkt_dev->flags & F_IPV6) {
 		/*
 		 * Skip this automatic address setting until locks or functions 
 		 * gets exported
 		 */
 
 #ifdef NOTNOW
-		int i, set = 0, err=1;
+		int i, set = 0, err = 1;
 		struct inet6_dev *idev;
 
-		for(i=0; i< IN6_ADDR_HSIZE; i++)
-			if(pkt_dev->cur_in6_saddr.s6_addr[i]) {
+		for (i = 0; i < IN6_ADDR_HSIZE; i++)
+			if (pkt_dev->cur_in6_saddr.s6_addr[i]) {
 				set = 1;
 				break;
 			}
 
-		if(!set) {
-			
+		if (!set) {
+
 			/*
 			 * Use linklevel address if unconfigured.
 			 *
 			 * use ipv6_get_lladdr if/when it's get exported
 			 */
 
-
 			read_lock(&addrconf_lock);
 			if ((idev = __in6_dev_get(pkt_dev->odev)) != NULL) {
 				struct inet6_ifaddr *ifp;
 
 				read_lock_bh(&idev->lock);
-				for (ifp=idev->addr_list; ifp; ifp=ifp->if_next) {
-					if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) {
-						ipv6_addr_copy(&pkt_dev->cur_in6_saddr, &ifp->addr);
+				for (ifp = idev->addr_list; ifp;
+				     ifp = ifp->if_next) {
+					if (ifp->scope == IFA_LINK
+					    && !(ifp->
+						 flags & IFA_F_TENTATIVE)) {
+						ipv6_addr_copy(&pkt_dev->
+							       cur_in6_saddr,
+							       &ifp->addr);
 						err = 0;
 						break;
 					}
@@ -1638,28 +1716,28 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 				read_unlock_bh(&idev->lock);
 			}
 			read_unlock(&addrconf_lock);
-			if(err)	printk("pktgen: ERROR: IPv6 link address not availble.\n");
+			if (err)
+				printk("pktgen: ERROR: IPv6 link address not availble.\n");
 		}
 #endif
-	} 
-	else {
+	} else {
 		pkt_dev->saddr_min = 0;
 		pkt_dev->saddr_max = 0;
 		if (strlen(pkt_dev->src_min) == 0) {
-			
-			struct in_device *in_dev; 
+
+			struct in_device *in_dev;
 
 			rcu_read_lock();
 			in_dev = __in_dev_get_rcu(pkt_dev->odev);
 			if (in_dev) {
 				if (in_dev->ifa_list) {
-					pkt_dev->saddr_min = in_dev->ifa_list->ifa_address;
+					pkt_dev->saddr_min =
+					    in_dev->ifa_list->ifa_address;
 					pkt_dev->saddr_max = pkt_dev->saddr_min;
 				}
 			}
 			rcu_read_unlock();
-		}
-		else {
+		} else {
 			pkt_dev->saddr_min = in_aton(pkt_dev->src_min);
 			pkt_dev->saddr_max = in_aton(pkt_dev->src_max);
 		}
@@ -1667,13 +1745,13 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 		pkt_dev->daddr_min = in_aton(pkt_dev->dst_min);
 		pkt_dev->daddr_max = in_aton(pkt_dev->dst_max);
 	}
-        /* Initialize current values. */
-        pkt_dev->cur_dst_mac_offset = 0;
-        pkt_dev->cur_src_mac_offset = 0;
-        pkt_dev->cur_saddr = pkt_dev->saddr_min;
-        pkt_dev->cur_daddr = pkt_dev->daddr_min;
-        pkt_dev->cur_udp_dst = pkt_dev->udp_dst_min;
-        pkt_dev->cur_udp_src = pkt_dev->udp_src_min;
+	/* Initialize current values. */
+	pkt_dev->cur_dst_mac_offset = 0;
+	pkt_dev->cur_src_mac_offset = 0;
+	pkt_dev->cur_saddr = pkt_dev->saddr_min;
+	pkt_dev->cur_daddr = pkt_dev->daddr_min;
+	pkt_dev->cur_udp_dst = pkt_dev->udp_dst_min;
+	pkt_dev->cur_udp_src = pkt_dev->udp_src_min;
 	pkt_dev->nflows = 0;
 }
 
@@ -1686,7 +1764,7 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us)
 	printk(KERN_INFO "sleeping for %d\n", (int)(spin_until_us - now));
 	while (now < spin_until_us) {
 		/* TODO: optimize sleeping behavior */
-		if (spin_until_us - now > jiffies_to_usecs(1)+1)
+		if (spin_until_us - now > jiffies_to_usecs(1) + 1)
 			schedule_timeout_interruptible(1);
 		else if (spin_until_us - now > 100) {
 			do_softirq();
@@ -1702,102 +1780,110 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us)
 	pkt_dev->idle_acc += now - start;
 }
 
-
 /* Increment/randomize headers according to flags and current values
  * for IP src/dest, UDP src/dst port, MAC-Addr src/dst
  */
-static void mod_cur_headers(struct pktgen_dev *pkt_dev) {        
-        __u32 imn;
-        __u32 imx;
-	int  flow = 0;
+static void mod_cur_headers(struct pktgen_dev *pkt_dev)
+{
+	__u32 imn;
+	__u32 imx;
+	int flow = 0;
 
-	if(pkt_dev->cflows)  {
+	if (pkt_dev->cflows) {
 		flow = pktgen_random() % pkt_dev->cflows;
-		
+
 		if (pkt_dev->flows[flow].count > pkt_dev->lflow)
 			pkt_dev->flows[flow].count = 0;
-	}						
-
+	}
 
 	/*  Deal with source MAC */
-        if (pkt_dev->src_mac_count > 1) {
-                __u32 mc;
-                __u32 tmp;
-
-                if (pkt_dev->flags & F_MACSRC_RND) 
-                        mc = pktgen_random() % (pkt_dev->src_mac_count);
-                else {
-                        mc = pkt_dev->cur_src_mac_offset++;
-                        if (pkt_dev->cur_src_mac_offset > pkt_dev->src_mac_count) 
-                                pkt_dev->cur_src_mac_offset = 0;
-                }
-
-                tmp = pkt_dev->src_mac[5] + (mc & 0xFF);
-                pkt_dev->hh[11] = tmp;
-                tmp = (pkt_dev->src_mac[4] + ((mc >> 8) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[10] = tmp;
-                tmp = (pkt_dev->src_mac[3] + ((mc >> 16) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[9] = tmp;
-                tmp = (pkt_dev->src_mac[2] + ((mc >> 24) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[8] = tmp;
-                tmp = (pkt_dev->src_mac[1] + (tmp >> 8));
-                pkt_dev->hh[7] = tmp;        
-        }
-
-        /*  Deal with Destination MAC */
-        if (pkt_dev->dst_mac_count > 1) {
-                __u32 mc;
-                __u32 tmp;
-
-                if (pkt_dev->flags & F_MACDST_RND) 
-                        mc = pktgen_random() % (pkt_dev->dst_mac_count);
-
-                else {
-                        mc = pkt_dev->cur_dst_mac_offset++;
-                        if (pkt_dev->cur_dst_mac_offset > pkt_dev->dst_mac_count) {
-                                pkt_dev->cur_dst_mac_offset = 0;
-                        }
-                }
-
-                tmp = pkt_dev->dst_mac[5] + (mc & 0xFF);
-                pkt_dev->hh[5] = tmp;
-                tmp = (pkt_dev->dst_mac[4] + ((mc >> 8) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[4] = tmp;
-                tmp = (pkt_dev->dst_mac[3] + ((mc >> 16) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[3] = tmp;
-                tmp = (pkt_dev->dst_mac[2] + ((mc >> 24) & 0xFF) + (tmp >> 8));
-                pkt_dev->hh[2] = tmp;
-                tmp = (pkt_dev->dst_mac[1] + (tmp >> 8));
-                pkt_dev->hh[1] = tmp;        
-        }
-
-        if (pkt_dev->udp_src_min < pkt_dev->udp_src_max) {
-                if (pkt_dev->flags & F_UDPSRC_RND) 
-                        pkt_dev->cur_udp_src = ((pktgen_random() % (pkt_dev->udp_src_max - pkt_dev->udp_src_min)) + pkt_dev->udp_src_min);
-
-                else {
+	if (pkt_dev->src_mac_count > 1) {
+		__u32 mc;
+		__u32 tmp;
+
+		if (pkt_dev->flags & F_MACSRC_RND)
+			mc = pktgen_random() % (pkt_dev->src_mac_count);
+		else {
+			mc = pkt_dev->cur_src_mac_offset++;
+			if (pkt_dev->cur_src_mac_offset >
+			    pkt_dev->src_mac_count)
+				pkt_dev->cur_src_mac_offset = 0;
+		}
+
+		tmp = pkt_dev->src_mac[5] + (mc & 0xFF);
+		pkt_dev->hh[11] = tmp;
+		tmp = (pkt_dev->src_mac[4] + ((mc >> 8) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[10] = tmp;
+		tmp = (pkt_dev->src_mac[3] + ((mc >> 16) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[9] = tmp;
+		tmp = (pkt_dev->src_mac[2] + ((mc >> 24) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[8] = tmp;
+		tmp = (pkt_dev->src_mac[1] + (tmp >> 8));
+		pkt_dev->hh[7] = tmp;
+	}
+
+	/*  Deal with Destination MAC */
+	if (pkt_dev->dst_mac_count > 1) {
+		__u32 mc;
+		__u32 tmp;
+
+		if (pkt_dev->flags & F_MACDST_RND)
+			mc = pktgen_random() % (pkt_dev->dst_mac_count);
+
+		else {
+			mc = pkt_dev->cur_dst_mac_offset++;
+			if (pkt_dev->cur_dst_mac_offset >
+			    pkt_dev->dst_mac_count) {
+				pkt_dev->cur_dst_mac_offset = 0;
+			}
+		}
+
+		tmp = pkt_dev->dst_mac[5] + (mc & 0xFF);
+		pkt_dev->hh[5] = tmp;
+		tmp = (pkt_dev->dst_mac[4] + ((mc >> 8) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[4] = tmp;
+		tmp = (pkt_dev->dst_mac[3] + ((mc >> 16) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[3] = tmp;
+		tmp = (pkt_dev->dst_mac[2] + ((mc >> 24) & 0xFF) + (tmp >> 8));
+		pkt_dev->hh[2] = tmp;
+		tmp = (pkt_dev->dst_mac[1] + (tmp >> 8));
+		pkt_dev->hh[1] = tmp;
+	}
+
+	if (pkt_dev->udp_src_min < pkt_dev->udp_src_max) {
+		if (pkt_dev->flags & F_UDPSRC_RND)
+			pkt_dev->cur_udp_src =
+			    ((pktgen_random() %
+			      (pkt_dev->udp_src_max - pkt_dev->udp_src_min)) +
+			     pkt_dev->udp_src_min);
+
+		else {
 			pkt_dev->cur_udp_src++;
 			if (pkt_dev->cur_udp_src >= pkt_dev->udp_src_max)
 				pkt_dev->cur_udp_src = pkt_dev->udp_src_min;
-                }
-        }
-
-        if (pkt_dev->udp_dst_min < pkt_dev->udp_dst_max) {
-                if (pkt_dev->flags & F_UDPDST_RND) {
-                        pkt_dev->cur_udp_dst = ((pktgen_random() % (pkt_dev->udp_dst_max - pkt_dev->udp_dst_min)) + pkt_dev->udp_dst_min);
-                }
-                else {
+		}
+	}
+
+	if (pkt_dev->udp_dst_min < pkt_dev->udp_dst_max) {
+		if (pkt_dev->flags & F_UDPDST_RND) {
+			pkt_dev->cur_udp_dst =
+			    ((pktgen_random() %
+			      (pkt_dev->udp_dst_max - pkt_dev->udp_dst_min)) +
+			     pkt_dev->udp_dst_min);
+		} else {
 			pkt_dev->cur_udp_dst++;
-			if (pkt_dev->cur_udp_dst >= pkt_dev->udp_dst_max) 
+			if (pkt_dev->cur_udp_dst >= pkt_dev->udp_dst_max)
 				pkt_dev->cur_udp_dst = pkt_dev->udp_dst_min;
-                }
-        }
+		}
+	}
 
 	if (!(pkt_dev->flags & F_IPV6)) {
 
-		if ((imn = ntohl(pkt_dev->saddr_min)) < (imx = ntohl(pkt_dev->saddr_max))) {
+		if ((imn = ntohl(pkt_dev->saddr_min)) < (imx =
+							 ntohl(pkt_dev->
+							       saddr_max))) {
 			__u32 t;
-			if (pkt_dev->flags & F_IPSRC_RND) 
+			if (pkt_dev->flags & F_IPSRC_RND)
 				t = ((pktgen_random() % (imx - imn)) + imn);
 			else {
 				t = ntohl(pkt_dev->cur_saddr);
@@ -1808,25 +1894,32 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) {
 			}
 			pkt_dev->cur_saddr = htonl(t);
 		}
-		
+
 		if (pkt_dev->cflows && pkt_dev->flows[flow].count != 0) {
 			pkt_dev->cur_daddr = pkt_dev->flows[flow].cur_daddr;
 		} else {
 
-			if ((imn = ntohl(pkt_dev->daddr_min)) < (imx = ntohl(pkt_dev->daddr_max))) {
+			if ((imn = ntohl(pkt_dev->daddr_min)) < (imx =
+								 ntohl(pkt_dev->
+								       daddr_max)))
+			{
 				__u32 t;
 				if (pkt_dev->flags & F_IPDST_RND) {
 
-					t = ((pktgen_random() % (imx - imn)) + imn);
+					t = ((pktgen_random() % (imx - imn)) +
+					     imn);
 					t = htonl(t);
 
-					while( LOOPBACK(t) || MULTICAST(t) || BADCLASS(t) || ZERONET(t) ||  LOCAL_MCAST(t) ) {
-						t = ((pktgen_random() % (imx - imn)) + imn);
+					while (LOOPBACK(t) || MULTICAST(t)
+					       || BADCLASS(t) || ZERONET(t)
+					       || LOCAL_MCAST(t)) {
+						t = ((pktgen_random() %
+						      (imx - imn)) + imn);
 						t = htonl(t);
 					}
 					pkt_dev->cur_daddr = t;
 				}
-				
+
 				else {
 					t = ntohl(pkt_dev->cur_daddr);
 					t++;
@@ -1836,60 +1929,59 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) {
 					pkt_dev->cur_daddr = htonl(t);
 				}
 			}
-			if(pkt_dev->cflows) {	
-				pkt_dev->flows[flow].cur_daddr = pkt_dev->cur_daddr;
+			if (pkt_dev->cflows) {
+				pkt_dev->flows[flow].cur_daddr =
+				    pkt_dev->cur_daddr;
 				pkt_dev->nflows++;
 			}
 		}
-	}
-	else /* IPV6 * */
-	{
-		if(pkt_dev->min_in6_daddr.s6_addr32[0] == 0 &&
-		   pkt_dev->min_in6_daddr.s6_addr32[1] == 0 &&
-		   pkt_dev->min_in6_daddr.s6_addr32[2] == 0 &&
-		   pkt_dev->min_in6_daddr.s6_addr32[3] == 0);
+	} else {		/* IPV6 * */
+
+		if (pkt_dev->min_in6_daddr.s6_addr32[0] == 0 &&
+		    pkt_dev->min_in6_daddr.s6_addr32[1] == 0 &&
+		    pkt_dev->min_in6_daddr.s6_addr32[2] == 0 &&
+		    pkt_dev->min_in6_daddr.s6_addr32[3] == 0) ;
 		else {
 			int i;
 
 			/* Only random destinations yet */
 
-			for(i=0; i < 4; i++) {
+			for (i = 0; i < 4; i++) {
 				pkt_dev->cur_in6_daddr.s6_addr32[i] =
-					((pktgen_random() |
-					  pkt_dev->min_in6_daddr.s6_addr32[i]) &
-					 pkt_dev->max_in6_daddr.s6_addr32[i]);
+				    ((pktgen_random() |
+				      pkt_dev->min_in6_daddr.s6_addr32[i]) &
+				     pkt_dev->max_in6_daddr.s6_addr32[i]);
 			}
- 		}
+		}
 	}
 
-        if (pkt_dev->min_pkt_size < pkt_dev->max_pkt_size) {
-                __u32 t;
-                if (pkt_dev->flags & F_TXSIZE_RND) {
-                        t = ((pktgen_random() % (pkt_dev->max_pkt_size - pkt_dev->min_pkt_size))
-                             + pkt_dev->min_pkt_size);
-                }
-                else {
+	if (pkt_dev->min_pkt_size < pkt_dev->max_pkt_size) {
+		__u32 t;
+		if (pkt_dev->flags & F_TXSIZE_RND) {
+			t = ((pktgen_random() %
+			      (pkt_dev->max_pkt_size - pkt_dev->min_pkt_size))
+			     + pkt_dev->min_pkt_size);
+		} else {
 			t = pkt_dev->cur_pkt_size + 1;
-			if (t > pkt_dev->max_pkt_size) 
+			if (t > pkt_dev->max_pkt_size)
 				t = pkt_dev->min_pkt_size;
-                }
-                pkt_dev->cur_pkt_size = t;
-        }
+		}
+		pkt_dev->cur_pkt_size = t;
+	}
 
 	pkt_dev->flows[flow].count++;
 }
 
-
-static struct sk_buff *fill_packet_ipv4(struct net_device *odev, 
-				   struct pktgen_dev *pkt_dev)
+static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
+					struct pktgen_dev *pkt_dev)
 {
 	struct sk_buff *skb = NULL;
 	__u8 *eth;
 	struct udphdr *udph;
 	int datalen, iplen;
 	struct iphdr *iph;
-        struct pktgen_hdr *pgh = NULL;
-        
+	struct pktgen_hdr *pgh = NULL;
+
 	/* Update any of the values, used when we're incrementing various
 	 * fields.
 	 */
@@ -1910,47 +2002,47 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 	udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));
 
 	memcpy(eth, pkt_dev->hh, 12);
-	*(u16*)&eth[12] = __constant_htons(ETH_P_IP);
+	*(u16 *) & eth[12] = __constant_htons(ETH_P_IP);
 
-	datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8; /* Eth + IPh + UDPh */
-	if (datalen < sizeof(struct pktgen_hdr)) 
+	datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8;	/* Eth + IPh + UDPh */
+	if (datalen < sizeof(struct pktgen_hdr))
 		datalen = sizeof(struct pktgen_hdr);
-        
+
 	udph->source = htons(pkt_dev->cur_udp_src);
 	udph->dest = htons(pkt_dev->cur_udp_dst);
-	udph->len = htons(datalen + 8); /* DATA + udphdr */
-	udph->check = 0;  /* No checksum */
+	udph->len = htons(datalen + 8);	/* DATA + udphdr */
+	udph->check = 0;	/* No checksum */
 
 	iph->ihl = 5;
 	iph->version = 4;
 	iph->ttl = 32;
 	iph->tos = 0;
-	iph->protocol = IPPROTO_UDP; /* UDP */
+	iph->protocol = IPPROTO_UDP;	/* UDP */
 	iph->saddr = pkt_dev->cur_saddr;
 	iph->daddr = pkt_dev->cur_daddr;
 	iph->frag_off = 0;
 	iplen = 20 + 8 + datalen;
 	iph->tot_len = htons(iplen);
 	iph->check = 0;
-	iph->check = ip_fast_csum((void *) iph, iph->ihl);
+	iph->check = ip_fast_csum((void *)iph, iph->ihl);
 	skb->protocol = __constant_htons(ETH_P_IP);
-	skb->mac.raw = ((u8 *)iph) - 14;
+	skb->mac.raw = ((u8 *) iph) - 14;
 	skb->dev = odev;
 	skb->pkt_type = PACKET_HOST;
 
-	if (pkt_dev->nfrags <= 0) 
-                pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
+	if (pkt_dev->nfrags <= 0)
+		pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
 	else {
 		int frags = pkt_dev->nfrags;
 		int i;
 
-                pgh = (struct pktgen_hdr*)(((char*)(udph)) + 8);
-                
+		pgh = (struct pktgen_hdr *)(((char *)(udph)) + 8);
+
 		if (frags > MAX_SKB_FRAGS)
 			frags = MAX_SKB_FRAGS;
-		if (datalen > frags*PAGE_SIZE) {
-			skb_put(skb, datalen-frags*PAGE_SIZE);
-			datalen = frags*PAGE_SIZE;
+		if (datalen > frags * PAGE_SIZE) {
+			skb_put(skb, datalen - frags * PAGE_SIZE);
+			datalen = frags * PAGE_SIZE;
 		}
 
 		i = 0;
@@ -1959,7 +2051,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 			skb_shinfo(skb)->frags[i].page = page;
 			skb_shinfo(skb)->frags[i].page_offset = 0;
 			skb_shinfo(skb)->frags[i].size =
-				(datalen < PAGE_SIZE ? datalen : PAGE_SIZE);
+			    (datalen < PAGE_SIZE ? datalen : PAGE_SIZE);
 			datalen -= skb_shinfo(skb)->frags[i].size;
 			skb->len += skb_shinfo(skb)->frags[i].size;
 			skb->data_len += skb_shinfo(skb)->frags[i].size;
@@ -1979,30 +2071,33 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 
 			skb_shinfo(skb)->frags[i - 1].size -= rem;
 
-			skb_shinfo(skb)->frags[i] = skb_shinfo(skb)->frags[i - 1];
+			skb_shinfo(skb)->frags[i] =
+			    skb_shinfo(skb)->frags[i - 1];
 			get_page(skb_shinfo(skb)->frags[i].page);
-			skb_shinfo(skb)->frags[i].page = skb_shinfo(skb)->frags[i - 1].page;
-			skb_shinfo(skb)->frags[i].page_offset += skb_shinfo(skb)->frags[i - 1].size;
+			skb_shinfo(skb)->frags[i].page =
+			    skb_shinfo(skb)->frags[i - 1].page;
+			skb_shinfo(skb)->frags[i].page_offset +=
+			    skb_shinfo(skb)->frags[i - 1].size;
 			skb_shinfo(skb)->frags[i].size = rem;
 			i++;
 			skb_shinfo(skb)->nr_frags = i;
 		}
 	}
 
-        /* Stamp the time, and sequence number, convert them to network byte order */
+	/* Stamp the time, and sequence number, convert them to network byte order */
+
+	if (pgh) {
+		struct timeval timestamp;
+
+		pgh->pgh_magic = htonl(PKTGEN_MAGIC);
+		pgh->seq_num = htonl(pkt_dev->seq_num);
+
+		do_gettimeofday(&timestamp);
+		pgh->tv_sec = htonl(timestamp.tv_sec);
+		pgh->tv_usec = htonl(timestamp.tv_usec);
+	}
+	pkt_dev->seq_num++;
 
-        if (pgh) {
-              struct timeval timestamp;
-	      
-	      pgh->pgh_magic = htonl(PKTGEN_MAGIC);
-	      pgh->seq_num   = htonl(pkt_dev->seq_num);
-	      
-	      do_gettimeofday(&timestamp);
-	      pgh->tv_sec    = htonl(timestamp.tv_sec);
-	      pgh->tv_usec   = htonl(timestamp.tv_usec);
-        }
-        pkt_dev->seq_num++;
-        
 	return skb;
 }
 
@@ -2015,23 +2110,24 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
  * --ro
  */
 
-static unsigned int scan_ip6(const char *s,char ip[16])
+static unsigned int scan_ip6(const char *s, char ip[16])
 {
 	unsigned int i;
-	unsigned int len=0;
+	unsigned int len = 0;
 	unsigned long u;
 	char suffix[16];
-	unsigned int prefixlen=0;
-	unsigned int suffixlen=0;
+	unsigned int prefixlen = 0;
+	unsigned int suffixlen = 0;
 	__u32 tmp;
 
-	for (i=0; i<16; i++) ip[i]=0;
+	for (i = 0; i < 16; i++)
+		ip[i] = 0;
 
 	for (;;) {
 		if (*s == ':') {
 			len++;
-			if (s[1] == ':') {        /* Found "::", skip to part 2 */
-				s+=2;
+			if (s[1] == ':') {	/* Found "::", skip to part 2 */
+				s += 2;
 				len++;
 				break;
 			}
@@ -2039,129 +2135,149 @@ static unsigned int scan_ip6(const char *s,char ip[16])
 		}
 		{
 			char *tmp;
-			u=simple_strtoul(s,&tmp,16);
-			i=tmp-s;
+			u = simple_strtoul(s, &tmp, 16);
+			i = tmp - s;
 		}
 
-		if (!i) return 0;
-		if (prefixlen==12 && s[i]=='.') {
+		if (!i)
+			return 0;
+		if (prefixlen == 12 && s[i] == '.') {
 
 			/* the last 4 bytes may be written as IPv4 address */
 
 			tmp = in_aton(s);
-			memcpy((struct in_addr*)(ip+12), &tmp, sizeof(tmp));
-			return i+len;
+			memcpy((struct in_addr *)(ip + 12), &tmp, sizeof(tmp));
+			return i + len;
 		}
 		ip[prefixlen++] = (u >> 8);
 		ip[prefixlen++] = (u & 255);
-		s += i; len += i;
-		if (prefixlen==16)
+		s += i;
+		len += i;
+		if (prefixlen == 16)
 			return len;
 	}
 
 /* part 2, after "::" */
 	for (;;) {
 		if (*s == ':') {
-			if (suffixlen==0)
+			if (suffixlen == 0)
 				break;
 			s++;
 			len++;
-		} else if (suffixlen!=0)
+		} else if (suffixlen != 0)
 			break;
 		{
 			char *tmp;
-			u=simple_strtol(s,&tmp,16);
-			i=tmp-s;
+			u = simple_strtol(s, &tmp, 16);
+			i = tmp - s;
 		}
 		if (!i) {
-			if (*s) len--;
+			if (*s)
+				len--;
 			break;
 		}
-		if (suffixlen+prefixlen<=12 && s[i]=='.') {
+		if (suffixlen + prefixlen <= 12 && s[i] == '.') {
 			tmp = in_aton(s);
-			memcpy((struct in_addr*)(suffix+suffixlen), &tmp, sizeof(tmp));
-			suffixlen+=4;
-			len+=strlen(s);
+			memcpy((struct in_addr *)(suffix + suffixlen), &tmp,
+			       sizeof(tmp));
+			suffixlen += 4;
+			len += strlen(s);
 			break;
 		}
 		suffix[suffixlen++] = (u >> 8);
 		suffix[suffixlen++] = (u & 255);
-		s += i; len += i;
-		if (prefixlen+suffixlen==16)
+		s += i;
+		len += i;
+		if (prefixlen + suffixlen == 16)
 			break;
 	}
-	for (i=0; i<suffixlen; i++)
-		ip[16-suffixlen+i] = suffix[i];
+	for (i = 0; i < suffixlen; i++)
+		ip[16 - suffixlen + i] = suffix[i];
 	return len;
 }
 
-static char tohex(char hexdigit) {
-	return hexdigit>9?hexdigit+'a'-10:hexdigit+'0';
+static char tohex(char hexdigit)
+{
+	return hexdigit > 9 ? hexdigit + 'a' - 10 : hexdigit + '0';
 }
 
-static int fmt_xlong(char* s,unsigned int i) {
-	char* bak=s;
-	*s=tohex((i>>12)&0xf); if (s!=bak || *s!='0') ++s;
-	*s=tohex((i>>8)&0xf); if (s!=bak || *s!='0') ++s;
-	*s=tohex((i>>4)&0xf); if (s!=bak || *s!='0') ++s;
-	*s=tohex(i&0xf);
-	return s-bak+1;
+static int fmt_xlong(char *s, unsigned int i)
+{
+	char *bak = s;
+	*s = tohex((i >> 12) & 0xf);
+	if (s != bak || *s != '0')
+		++s;
+	*s = tohex((i >> 8) & 0xf);
+	if (s != bak || *s != '0')
+		++s;
+	*s = tohex((i >> 4) & 0xf);
+	if (s != bak || *s != '0')
+		++s;
+	*s = tohex(i & 0xf);
+	return s - bak + 1;
 }
 
-static unsigned int fmt_ip6(char *s,const char ip[16]) {
+static unsigned int fmt_ip6(char *s, const char ip[16])
+{
 	unsigned int len;
 	unsigned int i;
 	unsigned int temp;
 	unsigned int compressing;
 	int j;
 
-	len = 0; compressing = 0;
-	for (j=0; j<16; j+=2) {
+	len = 0;
+	compressing = 0;
+	for (j = 0; j < 16; j += 2) {
 
 #ifdef V4MAPPEDPREFIX
-		if (j==12 && !memcmp(ip,V4mappedprefix,12)) {
-			inet_ntoa_r(*(struct in_addr*)(ip+12),s);
-			temp=strlen(s);
-			return len+temp;
+		if (j == 12 && !memcmp(ip, V4mappedprefix, 12)) {
+			inet_ntoa_r(*(struct in_addr *)(ip + 12), s);
+			temp = strlen(s);
+			return len + temp;
 		}
 #endif
-		temp = ((unsigned long) (unsigned char) ip[j] << 8) +
-			(unsigned long) (unsigned char) ip[j+1];
+		temp = ((unsigned long)(unsigned char)ip[j] << 8) +
+		    (unsigned long)(unsigned char)ip[j + 1];
 		if (temp == 0) {
 			if (!compressing) {
-				compressing=1;
-				if (j==0) {
-					*s++=':'; ++len;
+				compressing = 1;
+				if (j == 0) {
+					*s++ = ':';
+					++len;
 				}
 			}
 		} else {
 			if (compressing) {
-				compressing=0;
-				*s++=':'; ++len;
+				compressing = 0;
+				*s++ = ':';
+				++len;
 			}
-			i = fmt_xlong(s,temp); len += i; s += i;
-			if (j<14) {
+			i = fmt_xlong(s, temp);
+			len += i;
+			s += i;
+			if (j < 14) {
 				*s++ = ':';
 				++len;
 			}
 		}
 	}
 	if (compressing) {
-		*s++=':'; ++len;
+		*s++ = ':';
+		++len;
 	}
-	*s=0;
+	*s = 0;
 	return len;
 }
 
-static struct sk_buff *fill_packet_ipv6(struct net_device *odev, 
-				   struct pktgen_dev *pkt_dev)
+static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
+					struct pktgen_dev *pkt_dev)
 {
 	struct sk_buff *skb = NULL;
 	__u8 *eth;
 	struct udphdr *udph;
 	int datalen;
 	struct ipv6hdr *iph;
-        struct pktgen_hdr *pgh = NULL;
+	struct pktgen_hdr *pgh = NULL;
 
 	/* Update any of the values, used when we're incrementing various
 	 * fields.
@@ -2182,23 +2298,23 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 	udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));
 
 	memcpy(eth, pkt_dev->hh, 12);
-	*(u16*)&eth[12] = __constant_htons(ETH_P_IPV6);
+	*(u16 *) & eth[12] = __constant_htons(ETH_P_IPV6);
 
-	datalen = pkt_dev->cur_pkt_size-14- 
-		sizeof(struct ipv6hdr)-sizeof(struct udphdr); /* Eth + IPh + UDPh */
+	datalen = pkt_dev->cur_pkt_size - 14 - sizeof(struct ipv6hdr) - sizeof(struct udphdr);	/* Eth + IPh + UDPh */
 
-	if (datalen < sizeof(struct pktgen_hdr)) { 
+	if (datalen < sizeof(struct pktgen_hdr)) {
 		datalen = sizeof(struct pktgen_hdr);
 		if (net_ratelimit())
-			printk(KERN_INFO "pktgen: increased datalen to %d\n", datalen);
+			printk(KERN_INFO "pktgen: increased datalen to %d\n",
+			       datalen);
 	}
 
 	udph->source = htons(pkt_dev->cur_udp_src);
 	udph->dest = htons(pkt_dev->cur_udp_dst);
-	udph->len = htons(datalen + sizeof(struct udphdr)); 
-	udph->check = 0;  /* No checksum */
+	udph->len = htons(datalen + sizeof(struct udphdr));
+	udph->check = 0;	/* No checksum */
 
-	 *(u32*)iph = __constant_htonl(0x60000000); /* Version + flow */
+	*(u32 *) iph = __constant_htonl(0x60000000);	/* Version + flow */
 
 	iph->hop_limit = 32;
 
@@ -2208,24 +2324,24 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 	ipv6_addr_copy(&iph->daddr, &pkt_dev->cur_in6_daddr);
 	ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr);
 
-	skb->mac.raw = ((u8 *)iph) - 14;
+	skb->mac.raw = ((u8 *) iph) - 14;
 	skb->protocol = __constant_htons(ETH_P_IPV6);
 	skb->dev = odev;
 	skb->pkt_type = PACKET_HOST;
 
-	if (pkt_dev->nfrags <= 0) 
-                pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
+	if (pkt_dev->nfrags <= 0)
+		pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
 	else {
 		int frags = pkt_dev->nfrags;
 		int i;
 
-                pgh = (struct pktgen_hdr*)(((char*)(udph)) + 8);
-                
+		pgh = (struct pktgen_hdr *)(((char *)(udph)) + 8);
+
 		if (frags > MAX_SKB_FRAGS)
 			frags = MAX_SKB_FRAGS;
-		if (datalen > frags*PAGE_SIZE) {
-			skb_put(skb, datalen-frags*PAGE_SIZE);
-			datalen = frags*PAGE_SIZE;
+		if (datalen > frags * PAGE_SIZE) {
+			skb_put(skb, datalen - frags * PAGE_SIZE);
+			datalen = frags * PAGE_SIZE;
 		}
 
 		i = 0;
@@ -2234,7 +2350,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 			skb_shinfo(skb)->frags[i].page = page;
 			skb_shinfo(skb)->frags[i].page_offset = 0;
 			skb_shinfo(skb)->frags[i].size =
-				(datalen < PAGE_SIZE ? datalen : PAGE_SIZE);
+			    (datalen < PAGE_SIZE ? datalen : PAGE_SIZE);
 			datalen -= skb_shinfo(skb)->frags[i].size;
 			skb->len += skb_shinfo(skb)->frags[i].size;
 			skb->data_len += skb_shinfo(skb)->frags[i].size;
@@ -2254,151 +2370,155 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 
 			skb_shinfo(skb)->frags[i - 1].size -= rem;
 
-			skb_shinfo(skb)->frags[i] = skb_shinfo(skb)->frags[i - 1];
+			skb_shinfo(skb)->frags[i] =
+			    skb_shinfo(skb)->frags[i - 1];
 			get_page(skb_shinfo(skb)->frags[i].page);
-			skb_shinfo(skb)->frags[i].page = skb_shinfo(skb)->frags[i - 1].page;
-			skb_shinfo(skb)->frags[i].page_offset += skb_shinfo(skb)->frags[i - 1].size;
+			skb_shinfo(skb)->frags[i].page =
+			    skb_shinfo(skb)->frags[i - 1].page;
+			skb_shinfo(skb)->frags[i].page_offset +=
+			    skb_shinfo(skb)->frags[i - 1].size;
 			skb_shinfo(skb)->frags[i].size = rem;
 			i++;
 			skb_shinfo(skb)->nr_frags = i;
 		}
 	}
 
-        /* Stamp the time, and sequence number, convert them to network byte order */
+	/* Stamp the time, and sequence number, convert them to network byte order */
 	/* should we update cloned packets too ? */
-        if (pgh) {
-              struct timeval timestamp;
-	      
-	      pgh->pgh_magic = htonl(PKTGEN_MAGIC);
-	      pgh->seq_num   = htonl(pkt_dev->seq_num);
-	      
-	      do_gettimeofday(&timestamp);
-	      pgh->tv_sec    = htonl(timestamp.tv_sec);
-	      pgh->tv_usec   = htonl(timestamp.tv_usec);
-        }
-        pkt_dev->seq_num++;
-        
+	if (pgh) {
+		struct timeval timestamp;
+
+		pgh->pgh_magic = htonl(PKTGEN_MAGIC);
+		pgh->seq_num = htonl(pkt_dev->seq_num);
+
+		do_gettimeofday(&timestamp);
+		pgh->tv_sec = htonl(timestamp.tv_sec);
+		pgh->tv_usec = htonl(timestamp.tv_usec);
+	}
+	pkt_dev->seq_num++;
+
 	return skb;
 }
 
-static inline struct sk_buff *fill_packet(struct net_device *odev, 
-				   struct pktgen_dev *pkt_dev)
+static inline struct sk_buff *fill_packet(struct net_device *odev,
+					  struct pktgen_dev *pkt_dev)
 {
-	if(pkt_dev->flags & F_IPV6) 
+	if (pkt_dev->flags & F_IPV6)
 		return fill_packet_ipv6(odev, pkt_dev);
 	else
 		return fill_packet_ipv4(odev, pkt_dev);
 }
 
-static void pktgen_clear_counters(struct pktgen_dev *pkt_dev) 
+static void pktgen_clear_counters(struct pktgen_dev *pkt_dev)
 {
-        pkt_dev->seq_num = 1;
-        pkt_dev->idle_acc = 0;
+	pkt_dev->seq_num = 1;
+	pkt_dev->idle_acc = 0;
 	pkt_dev->sofar = 0;
-        pkt_dev->tx_bytes = 0;
-        pkt_dev->errors = 0;
+	pkt_dev->tx_bytes = 0;
+	pkt_dev->errors = 0;
 }
 
 /* Set up structure for sending pkts, clear counters */
 
 static void pktgen_run(struct pktgen_thread *t)
 {
-        struct pktgen_dev *pkt_dev = NULL;
+	struct pktgen_dev *pkt_dev = NULL;
 	int started = 0;
 
 	PG_DEBUG(printk("pktgen: entering pktgen_run. %p\n", t));
 
 	if_lock(t);
-        for (pkt_dev = t->if_list; pkt_dev; pkt_dev = pkt_dev->next ) {
+	for (pkt_dev = t->if_list; pkt_dev; pkt_dev = pkt_dev->next) {
 
 		/*
 		 * setup odev and create initial packet.
 		 */
 		pktgen_setup_inject(pkt_dev);
 
-		if(pkt_dev->odev) { 
+		if (pkt_dev->odev) {
 			pktgen_clear_counters(pkt_dev);
-			pkt_dev->running = 1; /* Cranke yeself! */
+			pkt_dev->running = 1;	/* Cranke yeself! */
 			pkt_dev->skb = NULL;
 			pkt_dev->started_at = getCurUs();
-			pkt_dev->next_tx_us = getCurUs(); /* Transmit immediately */
+			pkt_dev->next_tx_us = getCurUs();	/* Transmit immediately */
 			pkt_dev->next_tx_ns = 0;
-			
+
 			strcpy(pkt_dev->result, "Starting");
 			started++;
-		}
-		else 
+		} else
 			strcpy(pkt_dev->result, "Error starting");
 	}
 	if_unlock(t);
-	if(started) t->control &= ~(T_STOP);
+	if (started)
+		t->control &= ~(T_STOP);
 }
 
 static void pktgen_stop_all_threads_ifs(void)
 {
-        struct pktgen_thread *t = pktgen_threads;
+	struct pktgen_thread *t = pktgen_threads;
 
 	PG_DEBUG(printk("pktgen: entering pktgen_stop_all_threads_ifs.\n"));
 
 	thread_lock();
-	while(t) {
+	while (t) {
 		t->control |= T_STOP;
 		t = t->next;
 	}
 	thread_unlock();
 }
 
-static int thread_is_running(struct pktgen_thread *t )
+static int thread_is_running(struct pktgen_thread *t)
 {
-        struct pktgen_dev *next;
-        int res = 0;
+	struct pktgen_dev *next;
+	int res = 0;
 
-        for(next=t->if_list; next; next=next->next) { 
-		if(next->running) {
+	for (next = t->if_list; next; next = next->next) {
+		if (next->running) {
 			res = 1;
 			break;
 		}
-        }
-        return res;
+	}
+	return res;
 }
 
-static int pktgen_wait_thread_run(struct pktgen_thread *t )
+static int pktgen_wait_thread_run(struct pktgen_thread *t)
 {
-        if_lock(t);
+	if_lock(t);
 
-        while(thread_is_running(t)) {
+	while (thread_is_running(t)) {
 
-                if_unlock(t);
+		if_unlock(t);
 
-		msleep_interruptible(100); 
+		msleep_interruptible(100);
 
-                if (signal_pending(current)) 
-                        goto signal;
-                if_lock(t);
-        }
-        if_unlock(t);
-        return 1;
- signal:
-        return 0;
+		if (signal_pending(current))
+			goto signal;
+		if_lock(t);
+	}
+	if_unlock(t);
+	return 1;
+signal:
+	return 0;
 }
 
 static int pktgen_wait_all_threads_run(void)
 {
 	struct pktgen_thread *t = pktgen_threads;
 	int sig = 1;
-	
+
 	while (t) {
 		sig = pktgen_wait_thread_run(t);
-		if( sig == 0 ) break;
+		if (sig == 0)
+			break;
 		thread_lock();
-		t=t->next;
+		t = t->next;
 		thread_unlock();
 	}
-	if(sig == 0) {
+	if (sig == 0) {
 		thread_lock();
 		while (t) {
 			t->control |= (T_STOP);
-			t=t->next;
+			t = t->next;
 		}
 		thread_unlock();
 	}
@@ -2407,113 +2527,114 @@ static int pktgen_wait_all_threads_run(void)
 
 static void pktgen_run_all_threads(void)
 {
-        struct pktgen_thread *t = pktgen_threads;
+	struct pktgen_thread *t = pktgen_threads;
 
 	PG_DEBUG(printk("pktgen: entering pktgen_run_all_threads.\n"));
 
 	thread_lock();
 
-	while(t) {
+	while (t) {
 		t->control |= (T_RUN);
 		t = t->next;
 	}
 	thread_unlock();
 
-	schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
-			
+	schedule_timeout_interruptible(msecs_to_jiffies(125));	/* Propagate thread->control  */
+
 	pktgen_wait_all_threads_run();
 }
 
-
 static void show_results(struct pktgen_dev *pkt_dev, int nr_frags)
 {
-       __u64 total_us, bps, mbps, pps, idle;
-       char *p = pkt_dev->result;
-
-       total_us = pkt_dev->stopped_at - pkt_dev->started_at;
-
-       idle = pkt_dev->idle_acc;
-
-       p += sprintf(p, "OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags)\n",
-                    (unsigned long long) total_us, 
-		    (unsigned long long)(total_us - idle), 
-		    (unsigned long long) idle,
-                    (unsigned long long) pkt_dev->sofar, 
-		    pkt_dev->cur_pkt_size, nr_frags);
-
-       pps = pkt_dev->sofar * USEC_PER_SEC;
-
-       while ((total_us >> 32) != 0) {
-               pps >>= 1;
-               total_us >>= 1;
-       }
-
-       do_div(pps, total_us);
-       
-       bps = pps * 8 * pkt_dev->cur_pkt_size;
-
-       mbps = bps;
-       do_div(mbps, 1000000);
-       p += sprintf(p, "  %llupps %lluMb/sec (%llubps) errors: %llu",
-                    (unsigned long long) pps, 
-		    (unsigned long long) mbps, 
-		    (unsigned long long) bps, 
-		    (unsigned long long) pkt_dev->errors);
+	__u64 total_us, bps, mbps, pps, idle;
+	char *p = pkt_dev->result;
+
+	total_us = pkt_dev->stopped_at - pkt_dev->started_at;
+
+	idle = pkt_dev->idle_acc;
+
+	p += sprintf(p, "OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags)\n",
+		     (unsigned long long)total_us,
+		     (unsigned long long)(total_us - idle),
+		     (unsigned long long)idle,
+		     (unsigned long long)pkt_dev->sofar,
+		     pkt_dev->cur_pkt_size, nr_frags);
+
+	pps = pkt_dev->sofar * USEC_PER_SEC;
+
+	while ((total_us >> 32) != 0) {
+		pps >>= 1;
+		total_us >>= 1;
+	}
+
+	do_div(pps, total_us);
+
+	bps = pps * 8 * pkt_dev->cur_pkt_size;
+
+	mbps = bps;
+	do_div(mbps, 1000000);
+	p += sprintf(p, "  %llupps %lluMb/sec (%llubps) errors: %llu",
+		     (unsigned long long)pps,
+		     (unsigned long long)mbps,
+		     (unsigned long long)bps,
+		     (unsigned long long)pkt_dev->errors);
 }
- 
 
 /* Set stopped-at timer, remove from running list, do counters & statistics */
 
-static int pktgen_stop_device(struct pktgen_dev *pkt_dev) 
+static int pktgen_stop_device(struct pktgen_dev *pkt_dev)
 {
-	int nr_frags = pkt_dev->skb ?
-			skb_shinfo(pkt_dev->skb)->nr_frags: -1;
+	int nr_frags = pkt_dev->skb ? skb_shinfo(pkt_dev->skb)->nr_frags : -1;
 
-        if (!pkt_dev->running) {
-                printk("pktgen: interface: %s is already stopped\n", pkt_dev->ifname);
-                return -EINVAL;
-        }
+	if (!pkt_dev->running) {
+		printk("pktgen: interface: %s is already stopped\n",
+		       pkt_dev->ifname);
+		return -EINVAL;
+	}
 
-        pkt_dev->stopped_at = getCurUs();
-        pkt_dev->running = 0;
+	pkt_dev->stopped_at = getCurUs();
+	pkt_dev->running = 0;
 
 	show_results(pkt_dev, nr_frags);
 
-        return 0;
+	return 0;
 }
 
-static struct pktgen_dev *next_to_run(struct pktgen_thread *t )
+static struct pktgen_dev *next_to_run(struct pktgen_thread *t)
 {
 	struct pktgen_dev *next, *best = NULL;
-        
+
 	if_lock(t);
 
-	for(next=t->if_list; next ; next=next->next) {
-		if(!next->running) continue;
-		if(best == NULL) best=next;
-		else if ( next->next_tx_us < best->next_tx_us) 
-			best =  next;
+	for (next = t->if_list; next; next = next->next) {
+		if (!next->running)
+			continue;
+		if (best == NULL)
+			best = next;
+		else if (next->next_tx_us < best->next_tx_us)
+			best = next;
 	}
 	if_unlock(t);
-        return best;
+	return best;
 }
 
-static void pktgen_stop(struct pktgen_thread *t) {
-        struct pktgen_dev *next = NULL;
+static void pktgen_stop(struct pktgen_thread *t)
+{
+	struct pktgen_dev *next = NULL;
 
 	PG_DEBUG(printk("pktgen: entering pktgen_stop\n"));
 
-        if_lock(t);
+	if_lock(t);
 
-        for(next=t->if_list; next; next=next->next) {
-                pktgen_stop_device(next);
+	for (next = t->if_list; next; next = next->next) {
+		pktgen_stop_device(next);
 		if (next->skb)
 			kfree_skb(next->skb);
 
 		next->skb = NULL;
 	}
 
-        if_unlock(t);
+	if_unlock(t);
 }
 
 /*
@@ -2528,10 +2649,11 @@ static void pktgen_rem_one_if(struct pktgen_thread *t)
 
 	if_lock(t);
 
-	for(cur=t->if_list; cur; cur=next) {
+	for (cur = t->if_list; cur; cur = next) {
 		next = cur->next;
 
-		if (!cur->removal_mark) continue;
+		if (!cur->removal_mark)
+			continue;
 
 		if (cur->skb)
 			kfree_skb(cur->skb);
@@ -2545,16 +2667,16 @@ static void pktgen_rem_one_if(struct pktgen_thread *t)
 	if_unlock(t);
 }
 
-static void pktgen_rem_all_ifs(struct pktgen_thread *t) 
+static void pktgen_rem_all_ifs(struct pktgen_thread *t)
 {
-        struct pktgen_dev *cur, *next = NULL;
- 
-        /* Remove all devices, free mem */
+	struct pktgen_dev *cur, *next = NULL;
+
+	/* Remove all devices, free mem */
 
 	PG_DEBUG(printk("pktgen: entering pktgen_rem_all_ifs\n"));
-        if_lock(t);
+	if_lock(t);
 
-        for(cur=t->if_list; cur; cur=next) { 
+	for (cur = t->if_list; cur; cur = next) {
 		next = cur->next;
 
 		if (cur->skb)
@@ -2564,12 +2686,12 @@ static void pktgen_rem_all_ifs(struct pktgen_thread *t)
 		pktgen_remove_device(t, cur);
 	}
 
-        if_unlock(t);
+	if_unlock(t);
 }
 
-static void pktgen_rem_thread(struct pktgen_thread *t) 
+static void pktgen_rem_thread(struct pktgen_thread *t)
 {
-        /* Remove from the thread list */
+	/* Remove from the thread list */
 
 	struct pktgen_thread *tmp = pktgen_threads;
 
@@ -2589,7 +2711,7 @@ static void pktgen_rem_thread(struct pktgen_thread *t)
 			tmp = tmp->next;
 		}
 	}
-        thread_unlock();
+	thread_unlock();
 }
 
 static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
@@ -2599,7 +2721,7 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 	int ret;
 
 	odev = pkt_dev->odev;
-	
+
 	if (pkt_dev->delay_us || pkt_dev->delay_ns) {
 		u64 now;
 
@@ -2616,10 +2738,10 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 			goto out;
 		}
 	}
-	
+
 	if (netif_queue_stopped(odev) || need_resched()) {
 		idle_start = getCurUs();
-		
+
 		if (!netif_running(odev)) {
 			pktgen_stop_device(pkt_dev);
 			if (pkt_dev->skb)
@@ -2627,33 +2749,34 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 			pkt_dev->skb = NULL;
 			goto out;
 		}
-		if (need_resched()) 
+		if (need_resched())
 			schedule();
-		
+
 		pkt_dev->idle_acc += getCurUs() - idle_start;
-		
+
 		if (netif_queue_stopped(odev)) {
-			pkt_dev->next_tx_us = getCurUs(); /* TODO */
+			pkt_dev->next_tx_us = getCurUs();	/* TODO */
 			pkt_dev->next_tx_ns = 0;
-			goto out; /* Try the next interface */
+			goto out;	/* Try the next interface */
 		}
 	}
-	
+
 	if (pkt_dev->last_ok || !pkt_dev->skb) {
-		if ((++pkt_dev->clone_count >= pkt_dev->clone_skb ) || (!pkt_dev->skb)) {
+		if ((++pkt_dev->clone_count >= pkt_dev->clone_skb)
+		    || (!pkt_dev->skb)) {
 			/* build a new pkt */
-			if (pkt_dev->skb) 
+			if (pkt_dev->skb)
 				kfree_skb(pkt_dev->skb);
-			
+
 			pkt_dev->skb = fill_packet(odev, pkt_dev);
 			if (pkt_dev->skb == NULL) {
 				printk("pktgen: ERROR: couldn't allocate skb in fill_packet.\n");
 				schedule();
-				pkt_dev->clone_count--; /* back out increment, OOM */
+				pkt_dev->clone_count--;	/* back out increment, OOM */
 				goto out;
 			}
 			pkt_dev->allocated_skbs++;
-			pkt_dev->clone_count = 0; /* reset counter */
+			pkt_dev->clone_count = 0;	/* reset counter */
 		}
 	}
 
@@ -2661,25 +2784,25 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 	if (!netif_queue_stopped(odev)) {
 
 		atomic_inc(&(pkt_dev->skb->users));
-retry_now:
+	      retry_now:
 		ret = odev->hard_start_xmit(pkt_dev->skb, odev);
 		if (likely(ret == NETDEV_TX_OK)) {
-			pkt_dev->last_ok = 1;    
+			pkt_dev->last_ok = 1;
 			pkt_dev->sofar++;
 			pkt_dev->seq_num++;
 			pkt_dev->tx_bytes += pkt_dev->cur_pkt_size;
-			
-		} else if (ret == NETDEV_TX_LOCKED 
+
+		} else if (ret == NETDEV_TX_LOCKED
 			   && (odev->features & NETIF_F_LLTX)) {
 			cpu_relax();
 			goto retry_now;
-		} else {  /* Retry it next time */
-			
+		} else {	/* Retry it next time */
+
 			atomic_dec(&(pkt_dev->skb->users));
-			
+
 			if (debug && net_ratelimit())
 				printk(KERN_INFO "pktgen: Hard xmit error\n");
-			
+
 			pkt_dev->errors++;
 			pkt_dev->last_ok = 0;
 		}
@@ -2694,16 +2817,16 @@ retry_now:
 			pkt_dev->next_tx_us++;
 			pkt_dev->next_tx_ns -= 1000;
 		}
-	} 
+	}
 
-	else {  /* Retry it next time */
-                pkt_dev->last_ok = 0;
-                pkt_dev->next_tx_us = getCurUs(); /* TODO */
+	else {			/* Retry it next time */
+		pkt_dev->last_ok = 0;
+		pkt_dev->next_tx_us = getCurUs();	/* TODO */
 		pkt_dev->next_tx_ns = 0;
-        }
+	}
 
 	spin_unlock_bh(&odev->xmit_lock);
-	
+
 	/* If pkt_dev->count is zero, then run forever */
 	if ((pkt_dev->count != 0) && (pkt_dev->sofar >= pkt_dev->count)) {
 		if (atomic_read(&(pkt_dev->skb->users)) != 1) {
@@ -2716,47 +2839,45 @@ retry_now:
 			}
 			pkt_dev->idle_acc += getCurUs() - idle_start;
 		}
-                
+
 		/* Done with this */
 		pktgen_stop_device(pkt_dev);
 		if (pkt_dev->skb)
 			kfree_skb(pkt_dev->skb);
 		pkt_dev->skb = NULL;
-	} 
- out:;
- }
+	}
+out:;
+}
 
 /* 
  * Main loop of the thread goes here
  */
 
-static void pktgen_thread_worker(struct pktgen_thread *t) 
+static void pktgen_thread_worker(struct pktgen_thread *t)
 {
 	DEFINE_WAIT(wait);
-        struct pktgen_dev *pkt_dev = NULL;
+	struct pktgen_dev *pkt_dev = NULL;
 	int cpu = t->cpu;
 	sigset_t tmpsig;
 	u32 max_before_softirq;
-        u32 tx_since_softirq = 0;
+	u32 tx_since_softirq = 0;
 
 	daemonize("pktgen/%d", cpu);
 
-        /* Block all signals except SIGKILL, SIGSTOP and SIGTERM */
+	/* Block all signals except SIGKILL, SIGSTOP and SIGTERM */
 
-        spin_lock_irq(&current->sighand->siglock);
-        tmpsig = current->blocked;
-        siginitsetinv(&current->blocked, 
-                      sigmask(SIGKILL) | 
-                      sigmask(SIGSTOP)| 
-                      sigmask(SIGTERM));
+	spin_lock_irq(&current->sighand->siglock);
+	tmpsig = current->blocked;
+	siginitsetinv(&current->blocked,
+		      sigmask(SIGKILL) | sigmask(SIGSTOP) | sigmask(SIGTERM));
 
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
 
 	/* Migrate to the right CPU */
 	set_cpus_allowed(current, cpumask_of_cpu(cpu));
-        if (smp_processor_id() != cpu)
-                BUG();
+	if (smp_processor_id() != cpu)
+		BUG();
 
 	init_waitqueue_head(&t->queue);
 
@@ -2766,26 +2887,26 @@ static void pktgen_thread_worker(struct pktgen_thread *t)
 	t->control &= ~(T_REMDEVALL);
 	t->control &= ~(T_REMDEV);
 
-        t->pid = current->pid;        
+	t->pid = current->pid;
 
-        PG_DEBUG(printk("pktgen: starting pktgen/%d:  pid=%d\n", cpu, current->pid));
+	PG_DEBUG(printk("pktgen: starting pktgen/%d:  pid=%d\n", cpu, current->pid));
 
 	max_before_softirq = t->max_before_softirq;
-        
-        __set_current_state(TASK_INTERRUPTIBLE);
-        mb();
 
-        while (1) {
-		
+	__set_current_state(TASK_INTERRUPTIBLE);
+	mb();
+
+	while (1) {
+
 		__set_current_state(TASK_RUNNING);
 
 		/*
 		 * Get next dev to xmit -- if any.
 		 */
 
-                pkt_dev = next_to_run(t);
-                
-                if (pkt_dev) {
+		pkt_dev = next_to_run(t);
+
+		if (pkt_dev) {
 
 			pktgen_xmit(pkt_dev);
 
@@ -2803,119 +2924,121 @@ static void pktgen_thread_worker(struct pktgen_thread *t)
 			}
 		} else {
 			prepare_to_wait(&(t->queue), &wait, TASK_INTERRUPTIBLE);
-			schedule_timeout(HZ/10);
+			schedule_timeout(HZ / 10);
 			finish_wait(&(t->queue), &wait);
 		}
 
-                /* 
+		/*
 		 * Back from sleep, either due to the timeout or signal.
 		 * We check if we have any "posted" work for us.
 		 */
 
-                if (t->control & T_TERMINATE || signal_pending(current)) 
-                        /* we received a request to terminate ourself */
-                        break;
-		
+		if (t->control & T_TERMINATE || signal_pending(current))
+			/* we received a request to terminate ourself */
+			break;
 
-		if(t->control & T_STOP) {
+		if (t->control & T_STOP) {
 			pktgen_stop(t);
 			t->control &= ~(T_STOP);
 		}
 
-		if(t->control & T_RUN) {
+		if (t->control & T_RUN) {
 			pktgen_run(t);
 			t->control &= ~(T_RUN);
 		}
 
-		if(t->control & T_REMDEVALL) {
+		if (t->control & T_REMDEVALL) {
 			pktgen_rem_all_ifs(t);
 			t->control &= ~(T_REMDEVALL);
 		}
 
-		if(t->control & T_REMDEV) {
+		if (t->control & T_REMDEV) {
 			pktgen_rem_one_if(t);
 			t->control &= ~(T_REMDEV);
 		}
 
-		if (need_resched()) 
+		if (need_resched())
 			schedule();
-        } 
+	}
 
-        PG_DEBUG(printk("pktgen: %s stopping all device\n", t->name));
-        pktgen_stop(t);
+	PG_DEBUG(printk("pktgen: %s stopping all device\n", t->name));
+	pktgen_stop(t);
 
-        PG_DEBUG(printk("pktgen: %s removing all device\n", t->name));
-        pktgen_rem_all_ifs(t);
+	PG_DEBUG(printk("pktgen: %s removing all device\n", t->name));
+	pktgen_rem_all_ifs(t);
 
-        PG_DEBUG(printk("pktgen: %s removing thread.\n", t->name));
-        pktgen_rem_thread(t);
+	PG_DEBUG(printk("pktgen: %s removing thread.\n", t->name));
+	pktgen_rem_thread(t);
 }
 
-static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t, const char* ifname) 
+static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t,
+					  const char *ifname)
 {
-        struct pktgen_dev *pkt_dev = NULL;
-        if_lock(t);
-
-        for(pkt_dev=t->if_list; pkt_dev; pkt_dev = pkt_dev->next ) {
-                if (strncmp(pkt_dev->ifname, ifname, IFNAMSIZ) == 0) {
-                        break;
-                }
-        }
-
-        if_unlock(t);
-	PG_DEBUG(printk("pktgen: find_dev(%s) returning %p\n", ifname,pkt_dev));
-        return pkt_dev;
+	struct pktgen_dev *pkt_dev = NULL;
+	if_lock(t);
+
+	for (pkt_dev = t->if_list; pkt_dev; pkt_dev = pkt_dev->next) {
+		if (strncmp(pkt_dev->ifname, ifname, IFNAMSIZ) == 0) {
+			break;
+		}
+	}
+
+	if_unlock(t);
+	PG_DEBUG(printk("pktgen: find_dev(%s) returning %p\n", ifname, pkt_dev));
+	return pkt_dev;
 }
 
 /* 
  * Adds a dev at front of if_list. 
  */
 
-static int add_dev_to_thread(struct pktgen_thread *t, struct pktgen_dev *pkt_dev) 
+static int add_dev_to_thread(struct pktgen_thread *t,
+			     struct pktgen_dev *pkt_dev)
 {
 	int rv = 0;
-	
-        if_lock(t);
-
-        if (pkt_dev->pg_thread) {
-                printk("pktgen: ERROR:  already assigned to a thread.\n");
-                rv = -EBUSY;
-                goto out;
-        }
-	pkt_dev->next =t->if_list; t->if_list=pkt_dev;
-        pkt_dev->pg_thread = t;
+
+	if_lock(t);
+
+	if (pkt_dev->pg_thread) {
+		printk("pktgen: ERROR:  already assigned to a thread.\n");
+		rv = -EBUSY;
+		goto out;
+	}
+	pkt_dev->next = t->if_list;
+	t->if_list = pkt_dev;
+	pkt_dev->pg_thread = t;
 	pkt_dev->running = 0;
 
- out:
-        if_unlock(t);        
-        return rv;
+out:
+	if_unlock(t);
+	return rv;
 }
 
 /* Called under thread lock */
 
-static int pktgen_add_device(struct pktgen_thread *t, const char* ifname) 
+static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 {
-        struct pktgen_dev *pkt_dev;
+	struct pktgen_dev *pkt_dev;
 	struct proc_dir_entry *pe;
-	
+
 	/* We don't allow a device to be on several threads */
 
 	pkt_dev = __pktgen_NN_threads(ifname, FIND);
 	if (pkt_dev) {
-                printk("pktgen: ERROR: interface already used.\n");
-                return -EBUSY;
-        }
+		printk("pktgen: ERROR: interface already used.\n");
+		return -EBUSY;
+	}
 
 	pkt_dev = kzalloc(sizeof(struct pktgen_dev), GFP_KERNEL);
 	if (!pkt_dev)
 		return -ENOMEM;
 
-	pkt_dev->flows = vmalloc(MAX_CFLOWS*sizeof(struct flow_state));
+	pkt_dev->flows = vmalloc(MAX_CFLOWS * sizeof(struct flow_state));
 	if (pkt_dev->flows == NULL) {
 		kfree(pkt_dev);
 		return -ENOMEM;
 	}
-	memset(pkt_dev->flows, 0, MAX_CFLOWS*sizeof(struct flow_state));
+	memset(pkt_dev->flows, 0, MAX_CFLOWS * sizeof(struct flow_state));
 
 	pkt_dev->removal_mark = 0;
 	pkt_dev->min_pkt_size = ETH_ZLEN;
@@ -2926,14 +3049,14 @@ static int pktgen_add_device(struct pktgen_thread *t, const char* ifname)
 	pkt_dev->delay_ns = pg_delay_d % 1000;
 	pkt_dev->count = pg_count_d;
 	pkt_dev->sofar = 0;
-	pkt_dev->udp_src_min = 9; /* sink port */
+	pkt_dev->udp_src_min = 9;	/* sink port */
 	pkt_dev->udp_src_max = 9;
 	pkt_dev->udp_dst_min = 9;
 	pkt_dev->udp_dst_max = 9;
 
 	strncpy(pkt_dev->ifname, ifname, IFNAMSIZ);
 
-	if (! pktgen_setup_dev(pkt_dev)) {
+	if (!pktgen_setup_dev(pkt_dev)) {
 		printk("pktgen: ERROR: pktgen_setup_dev failed.\n");
 		if (pkt_dev->flows)
 			vfree(pkt_dev->flows);
@@ -2956,63 +3079,63 @@ static int pktgen_add_device(struct pktgen_thread *t, const char* ifname)
 	return add_dev_to_thread(t, pkt_dev);
 }
 
-static struct pktgen_thread * __init pktgen_find_thread(const char* name) 
+static struct pktgen_thread *__init pktgen_find_thread(const char *name)
 {
-        struct pktgen_thread *t = NULL;
+	struct pktgen_thread *t = NULL;
 
 	thread_lock();
 
-        t = pktgen_threads;
-        while (t) {
-                if (strcmp(t->name, name) == 0) 
-                        break;
+	t = pktgen_threads;
+	while (t) {
+		if (strcmp(t->name, name) == 0)
+			break;
 
-                t = t->next;
-        }
-        thread_unlock();
-        return t;
+		t = t->next;
+	}
+	thread_unlock();
+	return t;
 }
 
-static int __init pktgen_create_thread(const char* name, int cpu) 
+static int __init pktgen_create_thread(const char *name, int cpu)
 {
-        struct pktgen_thread *t = NULL;
+	struct pktgen_thread *t = NULL;
 	struct proc_dir_entry *pe;
 
-        if (strlen(name) > 31) {
-                printk("pktgen: ERROR:  Thread name cannot be more than 31 characters.\n");
-                return -EINVAL;
-        }
-        
-        if (pktgen_find_thread(name)) {
-                printk("pktgen: ERROR: thread: %s already exists\n", name);
-                return -EINVAL;
-        }
-
-        t = kzalloc(sizeof(struct pktgen_thread), GFP_KERNEL);
-        if (!t) {
-                printk("pktgen: ERROR: out of memory, can't create new thread.\n");
-                return -ENOMEM;
-        }
-
-        strcpy(t->name, name);
-        spin_lock_init(&t->if_lock);
+	if (strlen(name) > 31) {
+		printk("pktgen: ERROR:  Thread name cannot be more than 31 characters.\n");
+		return -EINVAL;
+	}
+
+	if (pktgen_find_thread(name)) {
+		printk("pktgen: ERROR: thread: %s already exists\n", name);
+		return -EINVAL;
+	}
+
+	t = kzalloc(sizeof(struct pktgen_thread), GFP_KERNEL);
+	if (!t) {
+		printk("pktgen: ERROR: out of memory, can't create new thread.\n");
+		return -ENOMEM;
+	}
+
+	strcpy(t->name, name);
+	spin_lock_init(&t->if_lock);
 	t->cpu = cpu;
-        
-        pe = create_proc_entry(t->name, 0600, pg_proc_dir);
-        if (!pe) {
-                printk("pktgen: cannot create %s/%s procfs entry.\n",
+
+	pe = create_proc_entry(t->name, 0600, pg_proc_dir);
+	if (!pe) {
+		printk("pktgen: cannot create %s/%s procfs entry.\n",
 		       PG_PROC_DIR, t->name);
-                kfree(t);
-                return -EINVAL;
-        }
+		kfree(t);
+		return -EINVAL;
+	}
 
 	pe->proc_fops = &pktgen_thread_fops;
 	pe->data = t;
 
-        t->next = pktgen_threads;
-        pktgen_threads = t;
+	t->next = pktgen_threads;
+	pktgen_threads = t;
 
-	if (kernel_thread((void *) pktgen_thread_worker, (void *) t, 
+	if (kernel_thread((void *)pktgen_thread_worker, (void *)t,
 			  CLONE_FS | CLONE_FILES | CLONE_SIGHAND) < 0)
 		printk("pktgen: kernel_thread() failed for cpu %d\n", t->cpu);
 
@@ -3022,55 +3145,59 @@ static int __init pktgen_create_thread(const char* name, int cpu)
 /* 
  * Removes a device from the thread if_list. 
  */
-static void _rem_dev_from_if_list(struct pktgen_thread *t, struct pktgen_dev *pkt_dev) 
+static void _rem_dev_from_if_list(struct pktgen_thread *t,
+				  struct pktgen_dev *pkt_dev)
 {
 	struct pktgen_dev *i, *prev = NULL;
 
 	i = t->if_list;
 
-	while(i) {
-		if(i == pkt_dev) {
-			if(prev) prev->next = i->next;
-			else t->if_list = NULL;
+	while (i) {
+		if (i == pkt_dev) {
+			if (prev)
+				prev->next = i->next;
+			else
+				t->if_list = NULL;
 			break;
 		}
 		prev = i;
-		i=i->next;
+		i = i->next;
 	}
 }
 
-static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *pkt_dev) 
+static int pktgen_remove_device(struct pktgen_thread *t,
+				struct pktgen_dev *pkt_dev)
 {
 
 	PG_DEBUG(printk("pktgen: remove_device pkt_dev=%p\n", pkt_dev));
 
-        if (pkt_dev->running) { 
-                printk("pktgen:WARNING: trying to remove a running interface, stopping it now.\n");
-                pktgen_stop_device(pkt_dev);
-        }
-        
-        /* Dis-associate from the interface */
+	if (pkt_dev->running) {
+		printk("pktgen:WARNING: trying to remove a running interface, stopping it now.\n");
+		pktgen_stop_device(pkt_dev);
+	}
+
+	/* Dis-associate from the interface */
 
 	if (pkt_dev->odev) {
 		dev_put(pkt_dev->odev);
-                pkt_dev->odev = NULL;
-        }
-        
+		pkt_dev->odev = NULL;
+	}
+
 	/* And update the thread if_list */
 
 	_rem_dev_from_if_list(t, pkt_dev);
 
-        /* Clean up proc file system */
+	/* Clean up proc file system */
 
 	remove_proc_entry(pkt_dev->ifname, pg_proc_dir);
 
 	if (pkt_dev->flows)
 		vfree(pkt_dev->flows);
 	kfree(pkt_dev);
-        return 0;
+	return 0;
 }
 
-static int __init pg_init(void) 
+static int __init pg_init(void)
 {
 	int cpu;
 	struct proc_dir_entry *pe;
@@ -3083,25 +3210,26 @@ static int __init pg_init(void)
 	pg_proc_dir->owner = THIS_MODULE;
 
 	pe = create_proc_entry(PGCTRL, 0600, pg_proc_dir);
-        if (pe == NULL) {
-		printk("pktgen: ERROR: cannot create %s procfs entry.\n", PGCTRL);
+	if (pe == NULL) {
+		printk("pktgen: ERROR: cannot create %s procfs entry.\n",
+		       PGCTRL);
 		proc_net_remove(PG_PROC_DIR);
-                return -EINVAL;
-        }
+		return -EINVAL;
+	}
 
-        pe->proc_fops = &pktgen_fops;
-        pe->data      = NULL;
+	pe->proc_fops = &pktgen_fops;
+	pe->data = NULL;
 
 	/* Register us to receive netdevice events */
 	register_netdevice_notifier(&pktgen_notifier_block);
-        
+
 	for_each_online_cpu(cpu) {
 		char buf[30];
 
-                sprintf(buf, "kpktgend_%i", cpu);
-                pktgen_create_thread(buf, cpu);
-        }
-        return 0;        
+		sprintf(buf, "kpktgend_%i", cpu);
+		pktgen_create_thread(buf, cpu);
+	}
+	return 0;
 }
 
 static void __exit pg_cleanup(void)
@@ -3109,24 +3237,24 @@ static void __exit pg_cleanup(void)
 	wait_queue_head_t queue;
 	init_waitqueue_head(&queue);
 
-        /* Stop all interfaces & threads */        
+	/* Stop all interfaces & threads */
 
-        while (pktgen_threads) {
-                struct pktgen_thread *t = pktgen_threads;
-                pktgen_threads->control |= (T_TERMINATE);
+	while (pktgen_threads) {
+		struct pktgen_thread *t = pktgen_threads;
+		pktgen_threads->control |= (T_TERMINATE);
 
-		wait_event_interruptible_timeout(queue, (t != pktgen_threads), HZ);
-        }
+		wait_event_interruptible_timeout(queue, (t != pktgen_threads),
+						 HZ);
+	}
 
-        /* Un-register us from receiving netdevice events */
+	/* Un-register us from receiving netdevice events */
 	unregister_netdevice_notifier(&pktgen_notifier_block);
 
-        /* Clean up proc file system */
+	/* Clean up proc file system */
 	remove_proc_entry(PGCTRL, pg_proc_dir);
 	proc_net_remove(PG_PROC_DIR);
 }
 
-
 module_init(pg_init);
 module_exit(pg_cleanup);