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author | Eric Dumazet <edumazet@google.com> | 2013-11-15 08:57:26 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-11-15 21:01:52 -0500 |
commit | 65c5189a2b57b9aa1d89e4b79da39928257c9505 (patch) | |
tree | af0fb3f1d9aa0ae4c76e7a13463234e61eec0398 | |
parent | 568508aa0724cc39bcf7d3d8001bd27a45609800 (diff) | |
download | op-kernel-dev-65c5189a2b57b9aa1d89e4b79da39928257c9505.zip op-kernel-dev-65c5189a2b57b9aa1d89e4b79da39928257c9505.tar.gz |
pkt_sched: fq: warn users using defrate
Commit 7eec4174ff29 ("pkt_sched: fq: fix non TCP flows pacing")
obsoleted TCA_FQ_FLOW_DEFAULT_RATE without notice for the users.
Suggested by David Miller
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/uapi/linux/pkt_sched.h | 4 | ||||
-rw-r--r-- | net/sched/sch_fq.c | 10 |
2 files changed, 5 insertions, 9 deletions
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h index 307f293..885001b 100644 --- a/include/uapi/linux/pkt_sched.h +++ b/include/uapi/linux/pkt_sched.h @@ -763,9 +763,7 @@ enum { TCA_FQ_RATE_ENABLE, /* enable/disable rate limiting */ - TCA_FQ_FLOW_DEFAULT_RATE,/* for sockets with unspecified sk_rate, - * use the following rate - */ + TCA_FQ_FLOW_DEFAULT_RATE,/* obsolete, do not use */ TCA_FQ_FLOW_MAX_RATE, /* per flow max rate */ diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index d4fa38e..26906ab 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -88,7 +88,6 @@ struct fq_sched_data { struct fq_flow internal; /* for non classified or high prio packets */ u32 quantum; u32 initial_quantum; - u32 flow_default_rate;/* rate per flow : bytes per second */ u32 flow_max_rate; /* optional max rate per flow */ u32 flow_plimit; /* max packets per flow */ struct rb_root *fq_root; @@ -650,7 +649,8 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) q->initial_quantum = nla_get_u32(tb[TCA_FQ_INITIAL_QUANTUM]); if (tb[TCA_FQ_FLOW_DEFAULT_RATE]) - q->flow_default_rate = nla_get_u32(tb[TCA_FQ_FLOW_DEFAULT_RATE]); + pr_warn_ratelimited("sch_fq: defrate %u ignored.\n", + nla_get_u32(tb[TCA_FQ_FLOW_DEFAULT_RATE])); if (tb[TCA_FQ_FLOW_MAX_RATE]) q->flow_max_rate = nla_get_u32(tb[TCA_FQ_FLOW_MAX_RATE]); @@ -699,7 +699,6 @@ static int fq_init(struct Qdisc *sch, struct nlattr *opt) q->flow_plimit = 100; q->quantum = 2 * psched_mtu(qdisc_dev(sch)); q->initial_quantum = 10 * psched_mtu(qdisc_dev(sch)); - q->flow_default_rate = 0; q->flow_max_rate = ~0U; q->rate_enable = 1; q->new_flows.first = NULL; @@ -726,9 +725,8 @@ static int fq_dump(struct Qdisc *sch, struct sk_buff *skb) if (opts == NULL) goto nla_put_failure; - /* TCA_FQ_FLOW_DEFAULT_RATE is not used anymore, - * do not bother giving its value - */ + /* TCA_FQ_FLOW_DEFAULT_RATE is not used anymore */ + if (nla_put_u32(skb, TCA_FQ_PLIMIT, sch->limit) || nla_put_u32(skb, TCA_FQ_FLOW_PLIMIT, q->flow_plimit) || nla_put_u32(skb, TCA_FQ_QUANTUM, q->quantum) || |