diff options
| -rw-r--r-- | net/sched/sch_htb.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index fcd06e29e8b3..f89fd71ce92f 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -577,6 +577,32 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch) return NET_XMIT_SUCCESS; } +static inline void htb_accnt_tokens(struct htb_class *cl, int bytes, long diff) +{ + long toks = diff + cl->tokens; + + if (toks > cl->buffer) + toks = cl->buffer; + toks -= (long) qdisc_l2t(cl->rate, bytes); + if (toks <= -cl->mbuffer) + toks = 1 - cl->mbuffer; + + cl->tokens = toks; +} + +static inline void htb_accnt_ctokens(struct htb_class *cl, int bytes, long diff) +{ + long toks = diff + cl->ctokens; + + if (toks > cl->cbuffer) + toks = cl->cbuffer; + toks -= (long) qdisc_l2t(cl->ceil, bytes); + if (toks <= -cl->mbuffer) + toks = 1 - cl->mbuffer; + + cl->ctokens = toks; +} + /** * htb_charge_class - charges amount "bytes" to leaf and ancestors * @@ -592,26 +618,20 @@ static void htb_charge_class(struct htb_sched *q, struct htb_class *cl, int level, struct sk_buff *skb) { int bytes = qdisc_pkt_len(skb); - long toks, diff; enum htb_cmode old_mode; - -#define HTB_ACCNT(T,B,R) toks = diff + cl->T; \ - if (toks > cl->B) toks = cl->B; \ - toks -= (long) qdisc_l2t(cl->R, bytes); \ - if (toks <= -cl->mbuffer) toks = 1-cl->mbuffer; \ - cl->T = toks + long diff; while (cl) { diff = psched_tdiff_bounded(q->now, cl->t_c, cl->mbuffer); if (cl->level >= level) { if (cl->level == level) cl->xstats.lends++; - HTB_ACCNT(tokens, buffer, rate); + htb_accnt_tokens(cl, bytes, diff); } else { cl->xstats.borrows++; cl->tokens += diff; /* we moved t_c; update tokens */ } - HTB_ACCNT(ctokens, cbuffer, ceil); + htb_accnt_ctokens(cl, bytes, diff); cl->t_c = q->now; old_mode = cl->cmode; |