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-rw-r--r--net/core/pktgen.c109
1 files changed, 6 insertions, 103 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index de33f36947e9..bfcdfaebca5c 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -170,8 +170,6 @@
#define VERSION "pktgen v2.69: Packet Generator for packet performance testing.\n"
-/* The buckets are exponential in 'width' */
-#define LAT_BUCKETS_MAX 32
#define IP_NAME_SZ 32
#define MAX_MPLS_LABELS 16 /* This is the max label stack depth */
#define MPLS_STACK_BOTTOM htonl(0x00000100)
@@ -397,62 +395,6 @@ struct pktgen_thread {
#define REMOVE 1
#define FIND 0
-/* This code works around the fact that do_div cannot handle two 64-bit
- numbers, and regular 64-bit division doesn't work on x86 kernels.
- --Ben
-*/
-
-#define PG_DIV 0
-
-/* This was emailed to LMKL by: Chris Caputo <ccaputo@alt.net>
- * Function copied/adapted/optimized from:
- *
- * nemesis.sourceforge.net/browse/lib/static/intmath/ix86/intmath.c.html
- *
- * Copyright 1994, University of Cambridge Computer Laboratory
- * All Rights Reserved.
- *
- */
-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;
- }
-}
-
-/* End of hacks to deal with 64-bit math on x86 */
-
-/** Convert to milliseconds */
-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;
-}
-
/** Convert to micro-seconds */
static inline __u64 tv_to_us(const struct timeval *tv)
{
@@ -461,51 +403,13 @@ static inline __u64 tv_to_us(const struct timeval *tv)
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_div64(__u64 n, __u64 base)
-{
- __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__)
-
- do_div(tmp, base);
-#else
- tmp = divremdi3(n, base, PG_DIV);
-#endif
- return tmp;
-}
-
-static inline __u64 getCurMs(void)
-{
- struct timeval tv;
- do_gettimeofday(&tv);
- return tv_to_ms(&tv);
-}
-
-static inline __u64 getCurUs(void)
+static __u64 getCurUs(void)
{
struct timeval tv;
do_gettimeofday(&tv);
return tv_to_us(&tv);
}
-static inline __u64 tv_diff(const struct timeval *a, const struct timeval *b)
-{
- return tv_to_us(a) - tv_to_us(b);
-}
-
/* old include end */
static char version[] __initdata = VERSION;
@@ -2138,7 +2042,6 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us)
__u64 now;
start = now = getCurUs();
- 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)
@@ -2358,9 +2261,11 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
t = random32() % (imx - imn) + imn;
s = htonl(t);
- while (LOOPBACK(s) || MULTICAST(s)
- || BADCLASS(s) || ZERONET(s)
- || LOCAL_MCAST(s)) {
+ while (ipv4_is_loopback(s) ||
+ ipv4_is_multicast(s) ||
+ ipv4_is_lbcast(s) ||
+ ipv4_is_zeronet(s) ||
+ ipv4_is_local_multicast(s)) {
t = random32() % (imx - imn) + imn;
s = htonl(t);
}
@@ -2463,8 +2368,6 @@ static int pktgen_output_ipsec(struct sk_buff *skb, struct pktgen_dev *pkt_dev)
x->curlft.bytes +=skb->len;
x->curlft.packets++;
- spin_unlock(&x->lock);
-
error:
spin_unlock(&x->lock);
return err;