ipv6: Expose reachable and retrans timer values as msecs

[net-next-2.6.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e048ec62d109f8f2024c113c4aa3c52d984d084c..2fc35b32df9eacb3c1dcebf153700b5056bc9689 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -98,7 +98,11 @@
 #endif
 
 #define        INFINITY_LIFE_TIME      0xFFFFFFFF
-#define TIME_DELTA(a, b) ((unsigned long)((long)(a) - (long)(b)))
+
+static inline u32 cstamp_delta(unsigned long cstamp)
+{
+       return (cstamp - INITIAL_JIFFIES) * 100UL / HZ;
+}
 
 #define ADDRCONF_TIMER_FUZZ_MINUS      (HZ > 50 ? HZ/50 : 1)
 #define ADDRCONF_TIMER_FUZZ            (HZ / 4)
@@ -2740,10 +2744,6 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                        /* Flag it for later restoration when link comes up */
                        ifa->flags |= IFA_F_TENTATIVE;
                        ifa->state = INET6_IFADDR_STATE_DAD;
-
-                       write_unlock_bh(&idev->lock);
-
-                       in6_ifa_hold(ifa);
                } else {
                        list_del(&ifa->if_list);
 
@@ -2758,19 +2758,15 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                        ifa->state = INET6_IFADDR_STATE_DEAD;
                        spin_unlock_bh(&ifa->state_lock);
 
-                       if (state == INET6_IFADDR_STATE_DEAD)
-                               goto put_ifa;
+                       if (state == INET6_IFADDR_STATE_DEAD) {
+                               in6_ifa_put(ifa);
+                       } else {
+                               __ipv6_ifa_notify(RTM_DELADDR, ifa);
+                               atomic_notifier_call_chain(&inet6addr_chain,
+                                                          NETDEV_DOWN, ifa);
+                       }
+                       write_lock_bh(&idev->lock);
                }
-
-               __ipv6_ifa_notify(RTM_DELADDR, ifa);
-               if (ifa->state == INET6_IFADDR_STATE_DEAD)
-                       atomic_notifier_call_chain(&inet6addr_chain,
-                                                  NETDEV_DOWN, ifa);
-
-put_ifa:
-               in6_ifa_put(ifa);
-
-               write_lock_bh(&idev->lock);
        }
 
        list_splice(&keep_list, &idev->addr_list);
@@ -3452,10 +3448,8 @@ static int put_cacheinfo(struct sk_buff *skb, unsigned long cstamp,
 {
        struct ifa_cacheinfo ci;
 
-       ci.cstamp = (u32)(TIME_DELTA(cstamp, INITIAL_JIFFIES) / HZ * 100
-                       + TIME_DELTA(cstamp, INITIAL_JIFFIES) % HZ * 100 / HZ);
-       ci.tstamp = (u32)(TIME_DELTA(tstamp, INITIAL_JIFFIES) / HZ * 100
-                       + TIME_DELTA(tstamp, INITIAL_JIFFIES) % HZ * 100 / HZ);
+       ci.cstamp = cstamp_delta(cstamp);
+       ci.tstamp = cstamp_delta(tstamp);
        ci.ifa_prefered = preferred;
        ci.ifa_valid = valid;
 
@@ -3806,8 +3800,10 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
        array[DEVCONF_AUTOCONF] = cnf->autoconf;
        array[DEVCONF_DAD_TRANSMITS] = cnf->dad_transmits;
        array[DEVCONF_RTR_SOLICITS] = cnf->rtr_solicits;
-       array[DEVCONF_RTR_SOLICIT_INTERVAL] = cnf->rtr_solicit_interval;
-       array[DEVCONF_RTR_SOLICIT_DELAY] = cnf->rtr_solicit_delay;
+       array[DEVCONF_RTR_SOLICIT_INTERVAL] =
+               jiffies_to_msecs(cnf->rtr_solicit_interval);
+       array[DEVCONF_RTR_SOLICIT_DELAY] =
+               jiffies_to_msecs(cnf->rtr_solicit_delay);
        array[DEVCONF_FORCE_MLD_VERSION] = cnf->force_mld_version;
 #ifdef CONFIG_IPV6_PRIVACY
        array[DEVCONF_USE_TEMPADDR] = cnf->use_tempaddr;
@@ -3821,7 +3817,8 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
        array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo;
 #ifdef CONFIG_IPV6_ROUTER_PREF
        array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref;
-       array[DEVCONF_RTR_PROBE_INTERVAL] = cnf->rtr_probe_interval;
+       array[DEVCONF_RTR_PROBE_INTERVAL] =
+               jiffies_to_msecs(cnf->rtr_probe_interval);
 #ifdef CONFIG_IPV6_ROUTE_INFO
        array[DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN] = cnf->accept_ra_rt_info_max_plen;
 #endif
@@ -3937,10 +3934,9 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
        NLA_PUT_U32(skb, IFLA_INET6_FLAGS, idev->if_flags);
 
        ci.max_reasm_len = IPV6_MAXPLEN;
-       ci.tstamp = (__u32)(TIME_DELTA(idev->tstamp, INITIAL_JIFFIES) / HZ * 100
-                   + TIME_DELTA(idev->tstamp, INITIAL_JIFFIES) % HZ * 100 / HZ);
-       ci.reachable_time = idev->nd_parms->reachable_time;
-       ci.retrans_time = idev->nd_parms->retrans_time;
+       ci.tstamp = cstamp_delta(idev->tstamp);
+       ci.reachable_time = jiffies_to_msecs(idev->nd_parms->reachable_time);
+       ci.retrans_time = jiffies_to_msecs(idev->nd_parms->retrans_time);
        NLA_PUT(skb, IFLA_INET6_CACHEINFO, sizeof(ci), &ci);
 
        nla = nla_reserve(skb, IFLA_INET6_CONF, DEVCONF_MAX * sizeof(s32));