Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6f9e98f7a96fdf4d621b8241d5a8a55c692de373
Commit:     6f9e98f7a96fdf4d621b8241d5a8a55c692de373
Parent:     d46f8dd87d9e7d5356891cbe97b8472e74db1413
Author:     Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Sun Jan 20 17:20:56 2008 -0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:08:16 2008 -0800

    [PKT_SCHED] SFQ: whitespace cleanup
    
    Add whitespace around operators, and add a few blank lines to improve
    readability.
    
    Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 net/sched/sch_sfq.c |   42 +++++++++++++++++++++++++-----------------
 1 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 4179758..25afe0f 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -122,7 +122,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct 
sk_buff *skb)
        {
                const struct iphdr *iph = ip_hdr(skb);
                h = iph->daddr;
-               h2 = iph->saddr^iph->protocol;
+               h2 = iph->saddr ^ iph->protocol;
                if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) &&
                    (iph->protocol == IPPROTO_TCP ||
                     iph->protocol == IPPROTO_UDP ||
@@ -137,7 +137,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct 
sk_buff *skb)
        {
                struct ipv6hdr *iph = ipv6_hdr(skb);
                h = iph->daddr.s6_addr32[3];
-               h2 = iph->saddr.s6_addr32[3]^iph->nexthdr;
+               h2 = iph->saddr.s6_addr32[3] ^ iph->nexthdr;
                if (iph->nexthdr == IPPROTO_TCP ||
                    iph->nexthdr == IPPROTO_UDP ||
                    iph->nexthdr == IPPROTO_UDPLITE ||
@@ -148,9 +148,10 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct 
sk_buff *skb)
                break;
        }
        default:
-               h = (u32)(unsigned long)skb->dst^skb->protocol;
-               h2 = (u32)(unsigned long)skb->sk;
+               h = (unsigned long)skb->dst ^ skb->protocol;
+               h2 = (unsigned long)skb->sk;
        }
+
        return sfq_fold_hash(q, h, h2);
 }
 
@@ -208,7 +209,7 @@ static unsigned int sfq_drop(struct Qdisc *sch)
           drop a packet from it */
 
        if (d > 1) {
-               sfq_index x = q->dep[d+SFQ_DEPTH].next;
+               sfq_index x = q->dep[d + SFQ_DEPTH].next;
                skb = q->qs[x].prev;
                len = skb->len;
                __skb_unlink(skb, &q->qs[x]);
@@ -241,7 +242,7 @@ static unsigned int sfq_drop(struct Qdisc *sch)
 }
 
 static int
-sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
+sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
        struct sfq_sched_data *q = qdisc_priv(sch);
        unsigned hash = sfq_hash(q, skb);
@@ -252,6 +253,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
                q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
                q->hash[x] = hash;
        }
+
        /* If selected queue has length q->limit, this means that
         * all another queues are empty and that we do simple tail drop,
         * i.e. drop _this_ packet.
@@ -284,7 +286,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 }
 
 static int
-sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
+sfq_requeue(struct sk_buff *skb, struct Qdisc *sch)
 {
        struct sfq_sched_data *q = qdisc_priv(sch);
        unsigned hash = sfq_hash(q, skb);
@@ -295,6 +297,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
                q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
                q->hash[x] = hash;
        }
+
        sch->qstats.backlog += skb->len;
        __skb_queue_head(&q->qs[x], skb);
        /* If selected queue has length q->limit+1, this means that
@@ -310,6 +313,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
                kfree_skb(skb);
                return NET_XMIT_CN;
        }
+
        sfq_inc(q, x);
        if (q->qs[x].qlen == 1) {               /* The flow is new */
                if (q->tail == SFQ_DEPTH) {     /* It is the first flow */
@@ -322,6 +326,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
                        q->tail = x;
                }
        }
+
        if (++sch->q.qlen <= q->limit) {
                sch->qstats.requeues++;
                return 0;
@@ -336,7 +341,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
 
 
 static struct sk_buff *
-sfq_dequeue(struct Qdisc* sch)
+sfq_dequeue(struct Qdisc *sch)
 {
        struct sfq_sched_data *q = qdisc_priv(sch);
        struct sk_buff *skb;
@@ -373,7 +378,7 @@ sfq_dequeue(struct Qdisc* sch)
 }
 
 static void
-sfq_reset(struct Qdisc* sch)
+sfq_reset(struct Qdisc *sch)
 {
        struct sk_buff *skb;
 
@@ -383,7 +388,7 @@ sfq_reset(struct Qdisc* sch)
 
 static void sfq_perturbation(unsigned long arg)
 {
-       struct Qdisc *sch = (struct Qdisc*)arg;
+       struct Qdisc *sch = (struct Qdisc *)arg;
        struct sfq_sched_data *q = qdisc_priv(sch);
 
        q->perturbation = net_random();
@@ -403,7 +408,7 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
 
        sch_tree_lock(sch);
        q->quantum = ctl->quantum ? : psched_mtu(sch->dev);
-       q->perturb_period = ctl->perturb_period*HZ;
+       q->perturb_period = ctl->perturb_period * HZ;
        if (ctl->limit)
                q->limit = min_t(u32, ctl->limit, SFQ_DEPTH - 1);
 
@@ -430,13 +435,15 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt)
        q->perturb_timer.data = (unsigned long)sch;;
        init_timer_deferrable(&q->perturb_timer);
 
-       for (i=0; i<SFQ_HASH_DIVISOR; i++)
+       for (i = 0; i < SFQ_HASH_DIVISOR; i++)
                q->ht[i] = SFQ_DEPTH;
-       for (i=0; i<SFQ_DEPTH; i++) {
+
+       for (i = 0; i < SFQ_DEPTH; i++) {
                skb_queue_head_init(&q->qs[i]);
-               q->dep[i+SFQ_DEPTH].next = i+SFQ_DEPTH;
-               q->dep[i+SFQ_DEPTH].prev = i+SFQ_DEPTH;
+               q->dep[i + SFQ_DEPTH].next = i + SFQ_DEPTH;
+               q->dep[i + SFQ_DEPTH].prev = i + SFQ_DEPTH;
        }
+
        q->limit = SFQ_DEPTH - 1;
        q->max_depth = 0;
        q->tail = SFQ_DEPTH;
@@ -449,7 +456,8 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt)
                if (err)
                        return err;
        }
-       for (i=0; i<SFQ_DEPTH; i++)
+
+       for (i = 0; i < SFQ_DEPTH; i++)
                sfq_link(q, i);
        return 0;
 }
@@ -467,7 +475,7 @@ static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb)
        struct tc_sfq_qopt opt;
 
        opt.quantum = q->quantum;
-       opt.perturb_period = q->perturb_period/HZ;
+       opt.perturb_period = q->perturb_period / HZ;
 
        opt.limit = q->limit;
        opt.divisor = SFQ_HASH_DIVISOR;
-
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