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-rw-r--r--include/net/sch_generic.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index f4eb365f7dcd..d0a6321c302e 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -702,13 +702,20 @@ static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
}
void psched_ratecfg_precompute(struct psched_ratecfg *r,
- const struct tc_ratespec *conf);
+ const struct tc_ratespec *conf,
+ u64 rate64);
static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
const struct psched_ratecfg *r)
{
memset(res, 0, sizeof(*res));
- res->rate = r->rate_bytes_ps;
+
+ /* legacy struct tc_ratespec has a 32bit @rate field
+ * Qdisc using 64bit rate should add new attributes
+ * in order to maintain compatibility.
+ */
+ res->rate = min_t(u64, r->rate_bytes_ps, ~0U);
+
res->overhead = r->overhead;
res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
}