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authorAruna-Hewapathirane <aruna.hewapathirane@gmail.com>2014-01-11 07:15:59 -0500
committerDavid S. Miller <davem@davemloft.net>2014-01-14 15:15:25 -0800
commit63862b5bef7349dd1137e4c70702c67d77565785 (patch)
treead50ec4a9d67fd025a29093dc5a4b493fe02e8a5 /net/sched/sch_netem.c
parent825edac4e78ded9e621c167a4f47a2392bd9e082 (diff)
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net: replace macros net_random and net_srandom with direct calls to prandom
This patch removes the net_random and net_srandom macros and replaces them with direct calls to the prandom ones. As new commits only seem to use prandom_u32 there is no use to keep them around. This change makes it easier to grep for users of prandom_u32. Signed-off-by: Aruna-Hewapathirane <aruna.hewapathirane@gmail.com> Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_netem.c')
-rw-r--r--net/sched/sch_netem.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 090a4e3ecd0d..3019c10d6c56 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -169,7 +169,7 @@ static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb)
static void init_crandom(struct crndstate *state, unsigned long rho)
{
state->rho = rho;
- state->last = net_random();
+ state->last = prandom_u32();
}
/* get_crandom - correlated random number generator
@@ -182,9 +182,9 @@ static u32 get_crandom(struct crndstate *state)
unsigned long answer;
if (state->rho == 0) /* no correlation */
- return net_random();
+ return prandom_u32();
- value = net_random();
+ value = prandom_u32();
rho = (u64)state->rho + 1;
answer = (value * ((1ull<<32) - rho) + state->last * rho) >> 32;
state->last = answer;
@@ -198,7 +198,7 @@ static u32 get_crandom(struct crndstate *state)
static bool loss_4state(struct netem_sched_data *q)
{
struct clgstate *clg = &q->clg;
- u32 rnd = net_random();
+ u32 rnd = prandom_u32();
/*
* Makes a comparison between rnd and the transition
@@ -264,15 +264,15 @@ static bool loss_gilb_ell(struct netem_sched_data *q)
switch (clg->state) {
case 1:
- if (net_random() < clg->a1)
+ if (prandom_u32() < clg->a1)
clg->state = 2;
- if (net_random() < clg->a4)
+ if (prandom_u32() < clg->a4)
return true;
break;
case 2:
- if (net_random() < clg->a2)
+ if (prandom_u32() < clg->a2)
clg->state = 1;
- if (net_random() > clg->a3)
+ if (prandom_u32() > clg->a3)
return true;
}
@@ -457,7 +457,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
skb_checksum_help(skb)))
return qdisc_drop(skb, sch);
- skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8);
+ skb->data[prandom_u32() % skb_headlen(skb)] ^=
+ 1<<(prandom_u32() % 8);
}
if (unlikely(skb_queue_len(&sch->q) >= sch->limit))