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Kirill Smelkov
linux
Commits
e1aafe5a
Commit
e1aafe5a
authored
Jan 16, 2005
by
Hideaki Yoshifuji
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Plain Diff
[IPV6] Don't use expired default routes.
Signed-off-by:
Hideaki YOSHIFUJI
<
yoshfuji@linux-ipv6.org
>
parent
62343f76
Changes
1
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1 changed file
with
13 additions
and
5 deletions
+13
-5
net/ipv6/route.c
net/ipv6/route.c
+13
-5
No files found.
net/ipv6/route.c
View file @
e1aafe5a
...
...
@@ -167,6 +167,12 @@ static void ip6_dst_ifdown(struct dst_entry *dst, int how)
}
}
static
__inline__
int
rt6_check_expired
(
const
struct
rt6_info
*
rt
)
{
return
(
rt
->
rt6i_flags
&
RTF_EXPIRES
&&
time_after
(
jiffies
,
rt
->
rt6i_expires
));
}
/*
* Route lookup. Any rt6_lock is implied.
*/
...
...
@@ -237,8 +243,7 @@ static struct rt6_info *rt6_best_dflt(struct rt6_info *rt, int oif)
sprt
->
rt6i_dev
->
ifindex
==
oif
))
m
+=
8
;
if
((
sprt
->
rt6i_flags
&
RTF_EXPIRES
)
&&
time_after
(
jiffies
,
sprt
->
rt6i_expires
))
if
(
rt6_check_expired
(
sprt
))
continue
;
if
(
sprt
==
rt6_dflt_pointer
)
...
...
@@ -296,7 +301,8 @@ static struct rt6_info *rt6_best_dflt(struct rt6_info *rt, int oif)
for
(
sprt
=
rt6_dflt_pointer
->
u
.
next
;
sprt
;
sprt
=
sprt
->
u
.
next
)
{
if
(
sprt
->
u
.
dst
.
obsolete
<=
0
&&
sprt
->
u
.
dst
.
error
==
0
)
{
sprt
->
u
.
dst
.
error
==
0
&&
!
rt6_check_expired
(
sprt
))
{
match
=
sprt
;
break
;
}
...
...
@@ -305,7 +311,8 @@ static struct rt6_info *rt6_best_dflt(struct rt6_info *rt, int oif)
!
match
&&
sprt
;
sprt
=
sprt
->
u
.
next
)
{
if
(
sprt
->
u
.
dst
.
obsolete
<=
0
&&
sprt
->
u
.
dst
.
error
==
0
)
{
sprt
->
u
.
dst
.
error
==
0
&&
!
rt6_check_expired
(
sprt
))
{
match
=
sprt
;
break
;
}
...
...
@@ -331,7 +338,8 @@ static struct rt6_info *rt6_best_dflt(struct rt6_info *rt, int oif)
*/
for
(
sprt
=
ip6_routing_table
.
leaf
;
sprt
;
sprt
=
sprt
->
u
.
next
)
{
if
((
sprt
->
rt6i_flags
&
RTF_DEFAULT
)
&&
if
(
!
rt6_check_expired
(
sprt
)
&&
(
sprt
->
rt6i_flags
&
RTF_DEFAULT
)
&&
(
!
oif
||
(
sprt
->
rt6i_dev
&&
sprt
->
rt6i_dev
->
ifindex
==
oif
)))
{
...
...
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