diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2007-04-24 16:21:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:29:49 -0700 |
| commit | 84299b3bc4eaedc0734fcc9052b01291e44445fc (patch) | |
| tree | a66254a9d648ec93334abbb058a376e7482e80d5 | |
| parent | 1f9eda7e2b67898fb8e79b3aa3880211b51235e6 (diff) | |
| download | op-kernel-dev-84299b3bc4eaedc0734fcc9052b01291e44445fc.zip op-kernel-dev-84299b3bc4eaedc0734fcc9052b01291e44445fc.tar.gz | |
[TCP]: Fix linkage errors on i386.
To avoid raw division, use ktime_to_timeval() to get usec.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/ktime.h | 6 | ||||
| -rw-r--r-- | net/ipv4/tcp_illinois.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_lp.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_vegas.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_veno.c | 2 |
5 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 248305b..81bb9c7 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -259,6 +259,12 @@ static inline s64 ktime_to_ns(const ktime_t kt) #endif +static inline s64 ktime_to_us(const ktime_t kt) +{ + struct timeval tv = ktime_to_timeval(kt); + return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec; +} + /* * The resolution of the clocks. The resolution value is returned in * the clock_getres() system call to give application programmers an diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c index 8e31659..4adc47c 100644 --- a/net/ipv4/tcp_illinois.c +++ b/net/ipv4/tcp_illinois.c @@ -90,7 +90,7 @@ static void tcp_illinois_acked(struct sock *sk, u32 pkts_acked, ktime_t last) ca->acked = pkts_acked; - rtt = ktime_to_ns(net_timedelta(last)) / NSEC_PER_USEC; + rtt = ktime_to_us(net_timedelta(last)); /* ignore bogus values, this prevents wraparound in alpha math */ if (rtt > RTT_MAX) diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c index b4e062a..43294ad 100644 --- a/net/ipv4/tcp_lp.c +++ b/net/ipv4/tcp_lp.c @@ -266,7 +266,7 @@ static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, ktime_t last) struct tcp_sock *tp = tcp_sk(sk); struct lp *lp = inet_csk_ca(sk); - tcp_lp_rtt_sample(sk, ktime_to_ns(net_timedelta(last)) / NSEC_PER_USEC); + tcp_lp_rtt_sample(sk, ktime_to_us(net_timedelta(last))); /* calc inference */ if (tcp_time_stamp > tp->rx_opt.rcv_tsecr) diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index 0f0ee7f..73e19cf 100644 --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -118,7 +118,7 @@ void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last) u32 vrtt; /* Never allow zero rtt or baseRTT */ - vrtt = (ktime_to_ns(net_timedelta(last)) / NSEC_PER_USEC) + 1; + vrtt = ktime_to_us(net_timedelta(last)) + 1; /* Filter to find propagation delay: */ if (vrtt < vegas->baseRTT) diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c index 0b50d06..9edb340 100644 --- a/net/ipv4/tcp_veno.c +++ b/net/ipv4/tcp_veno.c @@ -75,7 +75,7 @@ static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, ktime_t last) u32 vrtt; /* Never allow zero rtt or baseRTT */ - vrtt = (ktime_to_ns(net_timedelta(last)) / NSEC_PER_USEC) + 1; + vrtt = ktime_to_us(net_timedelta(last)) + 1; /* Filter to find propagation delay: */ if (vrtt < veno->basertt) |
