From b928588283f0cbe4c1445a401811727d7d51ffe1 Mon Sep 17 00:00:00 2001 From: Rostislav Lisovy Date: Wed, 23 May 2012 13:40:07 +0200 Subject: [PATCH] can: Upgraded manpage according to the changes in sourcecode. --- man/man8/tc-can.8 | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/man/man8/tc-can.8 b/man/man8/tc-can.8 index 1ca65be..54ee96a 100644 --- a/man/man8/tc-can.8 +++ b/man/man8/tc-can.8 @@ -35,6 +35,7 @@ and .B mask are parsed as hexadecimal input. + .SH DESCRIPTION The CAN classifier may be used with any available .B qdisc @@ -48,23 +49,13 @@ device, however it will ignore non-CAN packets. .SH CLASSIFICATION -The filtering rules are stored in an array, which is traversed during -classification. This means that the worst-case time needed for classification -increases with the number of configured rules. - +The filtering rules for EFF frames are stored in an array, which is traversed +during classification. This means that the worst-case time needed for +classification of EFF frames increases with the number of configured rules. -.SH INTERNALS The filter implements an optimization for matching SFF frames using a bitmap with one bit for every ID. With this optimization, the classification time for SFF frames is nearly constant independently of the number of rules. -Rules for EFF frames are always stored in an array. - -With very few configured SFF rules, the use of an array may be -faster, though. - -The decision whether to use the bitmap- or array-based implementation needs -to be done at compile time. - .SH EXAMPLE This example shows how to set @@ -104,4 +95,3 @@ Rostislav Lisovy . This manpage maintained by Rostislav Lisovy - -- 2.39.2