Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e08b09983fe9cf379faf1aefdf9164268d4610e7 Commit: e08b09983fe9cf379faf1aefdf9164268d4610e7 Parent: e9bef55d3d062ee7a78fde2913ec87ca9305a1e0 Author: Jesper Dangaard Brouer <[EMAIL PROTECTED]> AuthorDate: Wed Sep 12 16:36:28 2007 +0200 Committer: David S. Miller <[EMAIL PROTECTED]> CommitDate: Wed Oct 10 16:49:20 2007 -0700
[NET_SCHED]: Making rate table lookups more flexible. This is done in order to, add support to changing the rate table to use the upper-boundry L2T (length to time) value. Currently we use the lower-boundry, which result in under-estimating the actual bandwidth usage. Extend the tc_ratespec struct, with two parameters: 1) "cell_align" that allow adjusting the alignment of the rate table. 2) "overhead" that allow adding a packet overhead before the lookup. Signed-off-by: Jesper Dangaard Brouer <[EMAIL PROTECTED]> Acked-by: Patrick McHardy <[EMAIL PROTECTED]> Signed-off-by: David S. Miller <[EMAIL PROTECTED]> --- include/linux/pkt_sched.h | 4 ++-- include/net/sch_generic.h | 4 +++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h index 268c515..919af93 100644 --- a/include/linux/pkt_sched.h +++ b/include/linux/pkt_sched.h @@ -77,8 +77,8 @@ struct tc_ratespec { unsigned char cell_log; unsigned char __reserved; - unsigned short feature; - short addend; + unsigned short overhead; + short cell_align; unsigned short mpu; __u32 rate; }; diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 4ebd615..a02ec9e 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -307,7 +307,9 @@ drop: */ static inline u32 qdisc_l2t(struct qdisc_rate_table* rtab, unsigned int pktlen) { - int slot = pktlen; + int slot = pktlen + rtab->rate.cell_align + rtab->rate.overhead; + if (slot < 0) + slot = 0; slot >>= rtab->rate.cell_log; if (slot > 255) return (rtab->data[255]*(slot >> 8) + rtab->data[slot & 0xFF]); - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html