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authorDavid S. Miller <davem@davemloft.net>2013-08-16 15:37:26 -0700
committerDavid S. Miller <davem@davemloft.net>2013-08-16 15:37:26 -0700
commit2ff1cf12c9fe70e75e600404e6a4274b19d293ed (patch)
treebeafddac0a8098e3f07d2ec60e44a2a7d006e605 /include/net/sch_generic.h
parent16b304f3404f8e0243d5ee2b70b68767b7b59b2b (diff)
parent0f7dd1aa8f959216f1faa71513b9d3c1a9065e5a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index ffc9d883b163..76368c9d4503 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -685,13 +685,19 @@ struct psched_ratecfg {
u64 rate_bytes_ps; /* bytes per second */
u32 mult;
u16 overhead;
+ u8 linklayer;
u8 shift;
};
static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
unsigned int len)
{
- return ((u64)(len + r->overhead) * r->mult) >> r->shift;
+ len += r->overhead;
+
+ if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
+ return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
+
+ return ((u64)len * r->mult) >> r->shift;
}
void psched_ratecfg_precompute(struct psched_ratecfg *r,
@@ -703,6 +709,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
memset(res, 0, sizeof(*res));
res->rate = r->rate_bytes_ps;
res->overhead = r->overhead;
+ res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
}
#endif