* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Copyright (C) 2012 Eric Dumazet <edumazet@google.com>
+ * Copyright (C) 2012,2015 Eric Dumazet <edumazet@google.com>
*/
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
-#include <net/flow_keys.h>
#include <net/codel.h>
/* Fair Queue CoDel.
};
static unsigned int fq_codel_hash(const struct fq_codel_sched_data *q,
- const struct sk_buff *skb)
+ struct sk_buff *skb)
{
- struct flow_keys keys;
- unsigned int hash;
-
- skb_flow_dissect(skb, &keys);
- hash = jhash_3words((__force u32)keys.dst,
- (__force u32)keys.src ^ keys.ip_proto,
- (__force u32)keys.ports, q->perturbation);
+ u32 hash = skb_get_hash_perturb(skb, q->perturbation);
return reciprocal_scale(hash, q->flows_cnt);
}
skb = dequeue_head(flow);
len = qdisc_pkt_len(skb);
q->backlogs[idx] -= len;
- kfree_skb(skb);
sch->q.qlen--;
qdisc_qstats_drop(sch);
qdisc_qstats_backlog_dec(sch, skb);
+ kfree_skb(skb);
flow->dropped++;
return idx;
}
[TCA_FQ_CODEL_ECN] = { .type = NLA_U32 },
[TCA_FQ_CODEL_FLOWS] = { .type = NLA_U32 },
[TCA_FQ_CODEL_QUANTUM] = { .type = NLA_U32 },
+ [TCA_FQ_CODEL_CE_THRESHOLD] = { .type = NLA_U32 },
};
static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt)
q->cparams.target = (target * NSEC_PER_USEC) >> CODEL_SHIFT;
}
+ if (tb[TCA_FQ_CODEL_CE_THRESHOLD]) {
+ u64 val = nla_get_u32(tb[TCA_FQ_CODEL_CE_THRESHOLD]);
+
+ q->cparams.ce_threshold = (val * NSEC_PER_USEC) >> CODEL_SHIFT;
+ }
+
if (tb[TCA_FQ_CODEL_INTERVAL]) {
u64 interval = nla_get_u32(tb[TCA_FQ_CODEL_INTERVAL]);
q->flows_cnt))
goto nla_put_failure;
+ if (q->cparams.ce_threshold != CODEL_DISABLED_THRESHOLD &&
+ nla_put_u32(skb, TCA_FQ_CODEL_CE_THRESHOLD,
+ codel_time_to_us(q->cparams.ce_threshold)))
+ goto nla_put_failure;
+
return nla_nest_end(skb, opts);
nla_put_failure:
st.qdisc_stats.drop_overlimit = q->drop_overlimit;
st.qdisc_stats.ecn_mark = q->cstats.ecn_mark;
st.qdisc_stats.new_flow_count = q->new_flow_count;
+ st.qdisc_stats.ce_mark = q->cstats.ce_mark;
list_for_each(pos, &q->new_flows)
st.qdisc_stats.new_flows_len++;