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authorEric Dumazet <edumazet@google.com>2013-09-19 09:10:03 -0700
committerDavid S. Miller <davem@davemloft.net>2013-09-20 14:41:02 -0400
commit3e1e3aae1f5d4e8e5edb7e332f6e265597cc5b0a (patch)
tree26737c73709aa3a29ad1c435e6bb7cd83126f4c6 /net/sched/sch_generic.c
parent118a7b0ede580f3c5553028301001d46f8eede99 (diff)
net_sched: add u64 rate to psched_ratecfg_precompute()
Add an extra u64 rate parameter to psched_ratecfg_precompute() so that some qdisc can opt-in for 64bit rates in the future, to overcome the ~34 Gbits limit. psched_ratecfg_getrate() reports a legacy structure to tc utility, so if actual rate is above the 32bit rate field, cap it to the 34Gbit limit. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r--net/sched/sch_generic.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index a74e278654aa..e7121d29c4bd 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -910,11 +910,12 @@ void dev_shutdown(struct net_device *dev)
}
void psched_ratecfg_precompute(struct psched_ratecfg *r,
- const struct tc_ratespec *conf)
+ const struct tc_ratespec *conf,
+ u64 rate64)
{
memset(r, 0, sizeof(*r));
r->overhead = conf->overhead;
- r->rate_bytes_ps = conf->rate;
+ r->rate_bytes_ps = max_t(u64, conf->rate, rate64);
r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK);
r->mult = 1;
/*