diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/tcp_cubic.c | 23 | ||||
-rw-r--r-- | net/ipv4/tcp_yeah.c | 21 | ||||
-rw-r--r-- | net/ipv4/tcp_yeah.h | 1 | ||||
-rw-r--r-- | net/netfilter/xt_connbytes.c | 16 |
4 files changed, 1 insertions, 60 deletions
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index 9a582fb4ef9f..6f08adbda54e 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -51,8 +51,6 @@ MODULE_PARM_DESC(bic_scale, "scale (scaled by 1024) value for bic function (bic_ module_param(tcp_friendliness, int, 0644); MODULE_PARM_DESC(tcp_friendliness, "turn on/off tcp friendliness"); -#include <asm/div64.h> - /* BIC TCP Parameters */ struct bictcp { u32 cnt; /* increase cwnd by 1 after ACKs */ @@ -93,27 +91,6 @@ static void bictcp_init(struct sock *sk) tcp_sk(sk)->snd_ssthresh = initial_ssthresh; } -/* 64bit divisor, dividend and result. dynamic precision */ -static inline u_int64_t div64_64(u_int64_t dividend, u_int64_t divisor) -{ - u_int32_t d = divisor; - - if (divisor > 0xffffffffULL) { - unsigned int shift = fls(divisor >> 32); - - d = divisor >> shift; - dividend >>= shift; - } - - /* avoid 64 bit division if possible */ - if (dividend >> 32) - do_div(dividend, d); - else - dividend = (uint32_t) dividend / d; - - return dividend; -} - /* * calculate the cubic root of x using Newton-Raphson */ diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c index 815e020e98fe..18355a2608e1 100644 --- a/net/ipv4/tcp_yeah.c +++ b/net/ipv4/tcp_yeah.c @@ -73,27 +73,6 @@ static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked) yeah->pkts_acked = pkts_acked; } -/* 64bit divisor, dividend and result. dynamic precision */ -static inline u64 div64_64(u64 dividend, u64 divisor) -{ - u32 d = divisor; - - if (divisor > 0xffffffffULL) { - unsigned int shift = fls(divisor >> 32); - - d = divisor >> shift; - dividend >>= shift; - } - - /* avoid 64 bit division if possible */ - if (dividend >> 32) - do_div(dividend, d); - else - dividend = (u32) dividend / d; - - return dividend; -} - static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 seq_rtt, u32 in_flight, int flag) { diff --git a/net/ipv4/tcp_yeah.h b/net/ipv4/tcp_yeah.h index b3255dba4e2d..a62d82038fd0 100644 --- a/net/ipv4/tcp_yeah.h +++ b/net/ipv4/tcp_yeah.h @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/skbuff.h> #include <linux/inet_diag.h> +#include <asm/div64.h> #include <net/tcp.h> diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index 5e32dfa2668b..302043bc41b2 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -24,22 +24,6 @@ MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); MODULE_DESCRIPTION("iptables match for matching number of pkts/bytes per connection"); MODULE_ALIAS("ipt_connbytes"); -/* 64bit divisor, dividend and result. dynamic precision */ -static u_int64_t div64_64(u_int64_t dividend, u_int64_t divisor) -{ - u_int32_t d = divisor; - - if (divisor > 0xffffffffULL) { - unsigned int shift = fls(divisor >> 32); - - d = divisor >> shift; - dividend >>= shift; - } - - do_div(dividend, d); - return dividend; -} - static int match(const struct sk_buff *skb, const struct net_device *in, |