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pkt_sched: fq: warn users using defrate

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Commit 7eec4174ff ("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>
This commit is contained in:
Eric Dumazet 2013-11-15 08:57:26 -08:00 committed by David S. Miller
parent 568508aa07
commit 65c5189a2b
2 changed files with 5 additions and 9 deletions
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4
include/uapi/linux/pkt_sched.h
View File

@ -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 */

10
net/sched/sch_fq.c
View File

@ -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) ||