Re: [PATCH net-2.6.22] [IPV6] FIB6RULE: Find source address during looking up route.
From: Thomas Graf <tgraf@suug.ch>
Date: 2007-03-27 14:24:58
* YOSHIFUJI Hideaki / ?$B5HF#1QL@ [off-list ref] 2007-03-27 22:45
When looking up route for destination with rules with source address restrictions, we may need to find a source address for the traffic if not given.
Out of curiosity, what sort of rules would have this flag set? The majority of lookups don't provide a valid source address. This new address search could become very expensive, because none of the results are cached.
quoted hunk ↗ jump to hunk
Signed-off-by: YOSHIFUJI Hideaki <redacted> --- include/linux/fib_rules.h | 7 +++++-- net/ipv6/fib6_rules.c | 34 +++++++++++++++++++++++++++++++--- 2 files changed, 36 insertions(+), 5 deletions(-)diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h index 8270aac..2bbfa87 100644 --- a/include/linux/fib_rules.h +++ b/include/linux/fib_rules.h@@ -5,8 +5,11 @@ #include <linux/rtnetlink.h> /* rule is permanent, and cannot be deleted */ -#define FIB_RULE_PERMANENT 1 -#define FIB_RULE_INVERT 2 +#define FIB_RULE_PERMANENT 0x00000001 +#define FIB_RULE_INVERT 0x00000002 + +/* try to find source address in routing lookups */ +#define FIB_RULE_FIND_SADDR 0x00010000 struct fib_rule_hdr {
This chunk won't apply to latest net-2.6.22, I've added two more flags yesterday.