net_sched: psched_ratecfg_precompute() improvements

Before allowing 64bits bytes rates, refactor
psched_ratecfg_precompute() to get better comments
and increased accuracy.

rate_bps field is renamed to rate_bytes_ps, as we only
have to worry about bytes per second.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index df5676029827..6eab63363e59 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -680,7 +680,7 @@ static inline struct sk_buff *skb_act_clone(struct sk_buff *skb, gfp_t gfp_mask,
 #endif
 
 struct psched_ratecfg {
-        u64     rate_bps;
+        u64     rate_bytes_ps; /* bytes per second */
         u32     mult;
         u16     overhead;
         u8      shift;
@@ -698,7 +698,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
                                           const struct psched_ratecfg *r)
 {
         memset(res, 0, sizeof(*res));
-        res->rate = r->rate_bps >> 3;
+        res->rate = r->rate_bytes_ps;
         res->overhead = r->overhead;
 }