Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
2009-12-08 07:55:01 -08:00
parent ee1262dbc6 28b4d5cc17
commit d7fc02c7ba
1394 changed files with 113401 additions and 70636 deletions
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -481,9 +481,8 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 	struct net_device *dev;
 	struct inet6_dev *idev;

-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
-		rcu_read_lock();
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		idev = __in6_dev_get(dev);
 		if (idev) {
 			int changed = (!idev->cnf.forwarding) ^ (!newf);
@@ -491,9 +490,8 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 			if (changed)
 				dev_forward_change(idev);
 		}
-		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }

 static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
@@ -1137,10 +1135,9 @@ int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev,
 	hiscore->rule = -1;
 	hiscore->ifa = NULL;

-	read_lock(&dev_base_lock);
 	rcu_read_lock();

-	for_each_netdev(net, dev) {
+	for_each_netdev_rcu(net, dev) {
 		struct inet6_dev *idev;

 		/* Candidate Source Address (section 4)
@@ -1235,7 +1232,6 @@ try_nextdev:
 		read_unlock_bh(&idev->lock);
 	}
 	rcu_read_unlock();
-	read_unlock(&dev_base_lock);

 	if (!hiscore->ifa)
 		return -EADDRNOTAVAIL;
@@ -3485,85 +3481,114 @@ enum addr_type_t
 	ANYCAST_ADDR,
 };

-static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
-			   enum addr_type_t type)
+/* called with rcu_read_lock() */
+static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb,
+			  struct netlink_callback *cb, enum addr_type_t type,
+			  int s_ip_idx, int *p_ip_idx)
 {
-	int idx, ip_idx;
-	int s_idx, s_ip_idx;
-	int err = 1;
-	struct net_device *dev;
-	struct inet6_dev *idev = NULL;
 	struct inet6_ifaddr *ifa;
 	struct ifmcaddr6 *ifmca;
 	struct ifacaddr6 *ifaca;
-	struct net *net = sock_net(skb->sk);
+	int err = 1;
+	int ip_idx = *p_ip_idx;

-	s_idx = cb->args[0];
-	s_ip_idx = ip_idx = cb->args[1];
-
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if (idx > s_idx)
-			s_ip_idx = 0;
-		ip_idx = 0;
-		if ((idev = in6_dev_get(dev)) == NULL)
-			goto cont;
-		read_lock_bh(&idev->lock);
-		switch (type) {
-		case UNICAST_ADDR:
-			/* unicast address incl. temp addr */
-			for (ifa = idev->addr_list; ifa;
-			     ifa = ifa->if_next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifaddr(skb, ifa,
-							NETLINK_CB(cb->skb).pid,
-							cb->nlh->nlmsg_seq,
-							RTM_NEWADDR,
-							NLM_F_MULTI);
-			}
-			break;
-		case MULTICAST_ADDR:
-			/* multicast address */
-			for (ifmca = idev->mc_list; ifmca;
-			     ifmca = ifmca->next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifmcaddr(skb, ifmca,
-							  NETLINK_CB(cb->skb).pid,
-							  cb->nlh->nlmsg_seq,
-							  RTM_GETMULTICAST,
-							  NLM_F_MULTI);
-			}
-			break;
-		case ANYCAST_ADDR:
-			/* anycast address */
-			for (ifaca = idev->ac_list; ifaca;
-			     ifaca = ifaca->aca_next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifacaddr(skb, ifaca,
-							  NETLINK_CB(cb->skb).pid,
-							  cb->nlh->nlmsg_seq,
-							  RTM_GETANYCAST,
-							  NLM_F_MULTI);
-			}
-			break;
-		default:
-			break;
+	read_lock_bh(&idev->lock);
+	switch (type) {
+	case UNICAST_ADDR:
+		/* unicast address incl. temp addr */
+		for (ifa = idev->addr_list; ifa;
+		     ifa = ifa->if_next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifaddr(skb, ifa,
+						NETLINK_CB(cb->skb).pid,
+						cb->nlh->nlmsg_seq,
+						RTM_NEWADDR,
+						NLM_F_MULTI);
+			if (err <= 0)
+				break;
 		}
-		read_unlock_bh(&idev->lock);
-		in6_dev_put(idev);
-
-		if (err <= 0)
-			break;
-cont:
-		idx++;
+		break;
+	case MULTICAST_ADDR:
+		/* multicast address */
+		for (ifmca = idev->mc_list; ifmca;
+		     ifmca = ifmca->next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifmcaddr(skb, ifmca,
+						  NETLINK_CB(cb->skb).pid,
+						  cb->nlh->nlmsg_seq,
+						  RTM_GETMULTICAST,
+						  NLM_F_MULTI);
+			if (err <= 0)
+				break;
+		}
+		break;
+	case ANYCAST_ADDR:
+		/* anycast address */
+		for (ifaca = idev->ac_list; ifaca;
+		     ifaca = ifaca->aca_next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifacaddr(skb, ifaca,
+						  NETLINK_CB(cb->skb).pid,
+						  cb->nlh->nlmsg_seq,
+						  RTM_GETANYCAST,
+						  NLM_F_MULTI);
+			if (err <= 0)
+				break;
+		}
+		break;
+	default:
+		break;
 	}
-	cb->args[0] = idx;
-	cb->args[1] = ip_idx;
+	read_unlock_bh(&idev->lock);
+	*p_ip_idx = ip_idx;
+	return err;
+}
+
+static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
+			   enum addr_type_t type)
+{
+	struct net *net = sock_net(skb->sk);
+	int h, s_h;
+	int idx, ip_idx;
+	int s_idx, s_ip_idx;
+	struct net_device *dev;
+	struct inet6_dev *idev;
+	struct hlist_head *head;
+	struct hlist_node *node;
+
+	s_h = cb->args[0];
+	s_idx = idx = cb->args[1];
+	s_ip_idx = ip_idx = cb->args[2];
+
+	rcu_read_lock();
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			if (idx > s_idx)
+				s_ip_idx = 0;
+			ip_idx = 0;
+			if ((idev = __in6_dev_get(dev)) == NULL)
+				goto cont;
+
+			if (in6_dump_addrs(idev, skb, cb, type,
+					   s_ip_idx, &ip_idx) <= 0)
+				goto done;
+cont:
+			idx++;
+		}
+	}
+done:
+	rcu_read_unlock();
+	cb->args[0] = h;
+	cb->args[1] = idx;
+	cb->args[2] = ip_idx;
+
 	return skb->len;
 }

@@ -3708,6 +3733,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
 #endif
 	array[DEVCONF_DISABLE_IPV6] = cnf->disable_ipv6;
 	array[DEVCONF_ACCEPT_DAD] = cnf->accept_dad;
+	array[DEVCONF_FORCE_TLLAO] = cnf->force_tllao;
 }

 static inline size_t inet6_if_nlmsg_size(void)
@@ -3826,28 +3852,39 @@ nla_put_failure:
 static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
-	int idx, err;
-	int s_idx = cb->args[0];
+	int h, s_h;
+	int idx = 0, s_idx;
 	struct net_device *dev;
 	struct inet6_dev *idev;
+	struct hlist_head *head;
+	struct hlist_node *node;

-	read_lock(&dev_base_lock);
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if ((idev = in6_dev_get(dev)) == NULL)
-			goto cont;
-		err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
-				cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
-		in6_dev_put(idev);
-		if (err <= 0)
-			break;
+	s_h = cb->args[0];
+	s_idx = cb->args[1];
+
+	rcu_read_lock();
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			idev = __in6_dev_get(dev);
+			if (!idev)
+				goto cont;
+			if (inet6_fill_ifinfo(skb, idev,
+					      NETLINK_CB(cb->skb).pid,
+					      cb->nlh->nlmsg_seq,
+					      RTM_NEWLINK, NLM_F_MULTI) <= 0)
+				goto out;
 cont:
-		idx++;
+			idx++;
+		}
 	}
-	read_unlock(&dev_base_lock);
-	cb->args[0] = idx;
+out:
+	rcu_read_unlock();
+	cb->args[1] = idx;
+	cb->args[0] = h;

 	return skb->len;
 }
@@ -4016,9 +4053,8 @@ static void addrconf_disable_change(struct net *net, __s32 newf)
 	struct net_device *dev;
 	struct inet6_dev *idev;

-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
-		rcu_read_lock();
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		idev = __in6_dev_get(dev);
 		if (idev) {
 			int changed = (!idev->cnf.disable_ipv6) ^ (!newf);
@@ -4026,9 +4062,8 @@ static void addrconf_disable_change(struct net *net, __s32 newf)
 			if (changed)
 				dev_disable_change(idev);
 		}
-		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }

 static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
@@ -4284,6 +4319,13 @@ static struct addrconf_sysctl_table
 			.mode		=	0644,
 			.proc_handler	=	proc_dointvec,
 		},
+		{
+			.procname       = "force_tllao",
+			.data           = &ipv6_devconf.force_tllao,
+			.maxlen         = sizeof(int),
+			.mode           = 0644,
+			.proc_handler   = proc_dointvec
+		},
 		{
 			/* sentinel */
 		}
@@ -4385,7 +4427,7 @@ static int addrconf_init_net(struct net *net)
 	all = &ipv6_devconf;
 	dflt = &ipv6_devconf_dflt;

-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		all = kmemdup(all, sizeof(ipv6_devconf), GFP_KERNEL);
 		if (all == NULL)
 			goto err_alloc_all;
@@ -4431,7 +4473,7 @@ static void addrconf_exit_net(struct net *net)
 	__addrconf_sysctl_unregister(net->ipv6.devconf_dflt);
 	__addrconf_sysctl_unregister(net->ipv6.devconf_all);
 #endif
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		kfree(net->ipv6.devconf_dflt);
 		kfree(net->ipv6.devconf_all);
 	}