From: Stephen Hemminger <shemminger@vyatta.com>
To: "David S. Miller" <davem@davemloft.net>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: netdev@vger.kernel.org
Subject: [PATCH 04/12] ipv6: convert temporary address list to list macros
Date: Tue, 02 Mar 2010 15:32:47 -0800 [thread overview]
Message-ID: <20100302234003.119976952@vyatta.com> (raw)
In-Reply-To: 20100302233243.259794027@vyatta.com
[-- Attachment #1: ipv6-tmp-addrlist.patch --]
[-- Type: text/plain, Size: 3069 bytes --]
Use list macros instead of open coded linked list.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
---
include/net/if_inet6.h | 4 ++--
net/ipv6/addrconf.c | 30 ++++++++++++------------------
2 files changed, 14 insertions(+), 20 deletions(-)
--- a/include/net/if_inet6.h 2010-02-26 17:50:50.719484571 -0800
+++ b/include/net/if_inet6.h 2010-02-27 08:29:38.872232789 -0800
@@ -58,7 +58,7 @@ struct inet6_ifaddr {
struct inet6_ifaddr *if_next; /* next addr in inet6_dev */
#ifdef CONFIG_IPV6_PRIVACY
- struct inet6_ifaddr *tmp_next; /* next addr in tempaddr_lst */
+ struct list_head tmp_list;
struct inet6_ifaddr *ifpub;
int regen_count;
#endif
@@ -175,7 +175,7 @@ struct inet6_dev {
#ifdef CONFIG_IPV6_PRIVACY
u8 rndid[8];
struct timer_list regen_timer;
- struct inet6_ifaddr *tempaddr_list;
+ struct list_head tempaddr_list;
#endif
struct neigh_parms *nd_parms;
--- a/net/ipv6/addrconf.c 2010-02-26 20:00:45.207484349 -0800
+++ b/net/ipv6/addrconf.c 2010-02-27 08:29:38.856233475 -0800
@@ -401,6 +401,7 @@ static struct inet6_dev * ipv6_add_dev(s
#endif
#ifdef CONFIG_IPV6_PRIVACY
+ INIT_LIST_HEAD(&ndev->tempaddr_list);
setup_timer(&ndev->regen_timer, ipv6_regen_rndid, (unsigned long)ndev);
if ((dev->flags&IFF_LOOPBACK) ||
dev->type == ARPHRD_TUNNEL ||
@@ -679,8 +680,7 @@ ipv6_add_addr(struct inet6_dev *idev, co
#ifdef CONFIG_IPV6_PRIVACY
if (ifa->flags&IFA_F_TEMPORARY) {
- ifa->tmp_next = idev->tempaddr_list;
- idev->tempaddr_list = ifa;
+ list_add(&ifa->tmp_list, &idev->tempaddr_list);
in6_ifa_hold(ifa);
}
#endif
@@ -732,19 +732,12 @@ static void ipv6_del_addr(struct inet6_i
write_lock_bh(&idev->lock);
#ifdef CONFIG_IPV6_PRIVACY
if (ifp->flags&IFA_F_TEMPORARY) {
- for (ifap = &idev->tempaddr_list; (ifa=*ifap) != NULL;
- ifap = &ifa->tmp_next) {
- if (ifa == ifp) {
- *ifap = ifa->tmp_next;
- if (ifp->ifpub) {
- in6_ifa_put(ifp->ifpub);
- ifp->ifpub = NULL;
- }
- __in6_ifa_put(ifp);
- ifa->tmp_next = NULL;
- break;
- }
+ list_del(&ifp->tmp_list);
+ if (ifp->ifpub) {
+ in6_ifa_put(ifp->ifpub);
+ ifp->ifpub = NULL;
}
+ __in6_ifa_put(ifp);
}
#endif
@@ -1968,7 +1961,7 @@ ok:
#ifdef CONFIG_IPV6_PRIVACY
read_lock_bh(&in6_dev->lock);
/* update all temporary addresses in the list */
- for (ift=in6_dev->tempaddr_list; ift; ift=ift->tmp_next) {
+ list_for_each_entry(ift, &in6_dev->tempaddr_list, tmp_list) {
/*
* When adjusting the lifetimes of an existing
* temporary address, only lower the lifetimes.
@@ -2673,9 +2666,10 @@ static int addrconf_ifdown(struct net_de
in6_dev_put(idev);
/* clear tempaddr list */
- while ((ifa = idev->tempaddr_list) != NULL) {
- idev->tempaddr_list = ifa->tmp_next;
- ifa->tmp_next = NULL;
+ while (!list_empty(&idev->tempaddr_list)) {
+ ifa = list_first_entry(&idev->tempaddr_list,
+ struct inet6_ifaddr, tmp_list);
+ list_del(&ifa->tmp_list);
ifa->dead = 1;
write_unlock_bh(&idev->lock);
spin_lock_bh(&ifa->lock);
--
next prev parent reply other threads:[~2010-03-02 23:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-02 23:32 [PATCH 00/12] IPv6 addrconf changes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 01/12] IPv6: addrconf dad timer unnecessary bh_disable Stephen Hemminger
2010-03-04 8:39 ` David Miller
2010-03-02 23:32 ` [PATCH 02/12] IPv6: addrconf timer race Stephen Hemminger
2010-03-04 8:40 ` David Miller
2010-03-02 23:32 ` [PATCH 03/12] IPv6: addrconf notify when address is unavailable Stephen Hemminger
2010-03-04 8:40 ` David Miller
2010-03-02 23:32 ` Stephen Hemminger [this message]
2010-03-02 23:32 ` [PATCH 05/12] ipv6: convert addrconf list to hlist Stephen Hemminger
2010-03-02 23:32 ` [PATCH 06/12] IPv6: convert addrconf hash list to RCU Stephen Hemminger
2010-03-02 23:32 ` [PATCH 07/12] ipv6: user better hash for addrconf Stephen Hemminger
2010-03-02 23:32 ` [PATCH 08/12] ipv6: convert idev_list to list macros Stephen Hemminger
2010-03-02 23:32 ` [PATCH 09/12] IPv6: addrconf cleanups Stephen Hemminger
2010-03-02 23:32 ` [PATCH 10/12] IPv6: addrconf checkpatch fixes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 11/12] ipv6: addrconf timer changes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 12/12] IPv6: addrconf cleanup addrconf_verify Stephen Hemminger
2010-03-03 9:16 ` [PATCH 00/12] IPv6 addrconf changes David Miller
2010-03-03 18:14 ` Stephen Hemminger
2010-03-03 18:19 ` [PATCH] IPv6: fix race between cleanup and add/delete address Stephen Hemminger
2010-03-04 8:40 ` David Miller
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