aboutsummaryrefslogtreecommitdiffstats
path: root/include/net/addrconf.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-06 08:23:39 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-06 08:23:39 -0400
commit68083e05d72d94f347293d8cc0067050ba904bfa (patch)
tree842e71365bd90866be7add181661a4039d891564 /include/net/addrconf.h
parent7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff)
parentb7279469d66b55119784b8b9529c99c1955fe747 (diff)
Merge commit 'v2.6.26-rc9' into cpus4096
Diffstat (limited to 'include/net/addrconf.h')
-rw-r--r--include/net/addrconf.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 0a2f0372df31..bbd3d583c6e6 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -94,6 +94,28 @@ extern void addrconf_join_solict(struct net_device *dev,
94extern void addrconf_leave_solict(struct inet6_dev *idev, 94extern void addrconf_leave_solict(struct inet6_dev *idev,
95 struct in6_addr *addr); 95 struct in6_addr *addr);
96 96
97static inline unsigned long addrconf_timeout_fixup(u32 timeout,
98 unsigned unit)
99{
100 if (timeout == 0xffffffff)
101 return ~0UL;
102
103 /*
104 * Avoid arithmetic overflow.
105 * Assuming unit is constant and non-zero, this "if" statement
106 * will go away on 64bit archs.
107 */
108 if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
109 return LONG_MAX / unit;
110
111 return timeout;
112}
113
114static inline int addrconf_finite_timeout(unsigned long timeout)
115{
116 return ~timeout;
117}
118
97/* 119/*
98 * IPv6 Address Label subsystem (addrlabel.c) 120 * IPv6 Address Label subsystem (addrlabel.c)
99 */ 121 */