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fib_rules: fix suppressor names and default values

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This change brings the suppressor attribute names into line; it also changes
the data types to provide a more consistent interface.

While -1 indicates that the suppressor is not enabled, values >= 0 for
suppress_prefixlen or suppress_ifgroup  reject routing decisions violating the
constraint.

This changes the previously presented behaviour of suppress_prefixlen, where a
prefix length _less_ than the attribute value was rejected. After this change,
a prefix length less than *or* equal to the value is considered a violation of
the rule constraint.

It also changes the default values for default and newly added rules (disabling
any suppression for those).

Signed-off-by: Stefan Tomanek <stefan.tomanek@wertarbyte.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Tomanek
2013-08-03 14:14:43 +02:00
committed by David S. Miller
parent 0c0667a854
commit 73f5698e77
5 changed files with 16 additions and 9 deletions
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2
include/uapi/linux/fib_rules.h
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@@ -45,7 +45,7 @@ enum {
FRA_FLOW, /* flow/class id */
FRA_UNUSED6,
FRA_SUPPRESS_IFGROUP,
FRA_TABLE_PREFIXLEN_MIN,
FRA_SUPPRESS_PREFIXLEN,
FRA_TABLE, /* Extended table id */
FRA_FWMASK, /* mask for netfilter mark */
FRA_OIFNAME,