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Commit 502a2ffd authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

ipv6: convert idev_list to list macros 



Convert to list macro's for the list of addresses per interface
in IPv6.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3a88a81d

drivers/net/bonding/bond_ipv6.c

+5 −4
Original line number Diff line number Diff line
@@ -37,7 +37,6 @@ 
static void bond_glean_dev_ipv6(struct net_device *dev, struct in6_addr *addr)

{

	struct inet6_dev *idev;

	struct inet6_ifaddr *ifa;



	if (!dev)

		return;
@@ -47,10 +46,12 @@ static void bond_glean_dev_ipv6(struct net_device *dev, struct in6_addr *addr) 
		return;



	read_lock_bh(&idev->lock);

	ifa = idev->addr_list;

	if (ifa)

	if (!list_empty(&idev->addr_list)) {

		struct inet6_ifaddr *ifa

			= list_first_entry(&idev->addr_list,

					   struct inet6_ifaddr, if_list);

		ipv6_addr_copy(addr, &ifa->addr);

	else

	} else

		ipv6_addr_set(addr, 0, 0, 0, 0);



	read_unlock_bh(&idev->lock);

include/net/if_inet6.h

+3 −3
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ struct inet6_ifaddr { 
	struct rt6_info		*rt;



	struct hlist_node	addr_lst;

	struct inet6_ifaddr	*if_next;       /* next addr in inet6_dev */

	struct list_head	if_list;



#ifdef CONFIG_IPV6_PRIVACY

	struct list_head	tmp_list;
@@ -154,7 +154,7 @@ struct ipv6_devstat { 
struct inet6_dev {

	struct net_device	*dev;



	struct inet6_ifaddr	*addr_list;

	struct list_head	addr_list;



	struct ifmcaddr6	*mc_list;

	struct ifmcaddr6	*mc_tomb;

net/ipv6/addrconf.c

+39 −39
Original line number Diff line number Diff line
@@ -317,7 +317,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev) 
{

	struct net_device *dev = idev->dev;



	WARN_ON(idev->addr_list != NULL);

	WARN_ON(!list_empty(&idev->addr_list));

	WARN_ON(idev->mc_list != NULL);



#ifdef NET_REFCNT_DEBUG
@@ -350,6 +350,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) 


	rwlock_init(&ndev->lock);

	ndev->dev = dev;

	INIT_LIST_HEAD(&ndev->addr_list);



	memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));

	ndev->cnf.mtu6 = dev->mtu;

	ndev->cnf.sysctl = NULL;
@@ -466,7 +468,8 @@ static void dev_forward_change(struct inet6_dev *idev) 
		else

			ipv6_dev_mc_dec(dev, &in6addr_linklocal_allrouters);

	}

	for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) {



	list_for_each_entry(ifa, &idev->addr_list, if_list) {

		if (ifa->flags&IFA_F_TENTATIVE)

			continue;

		if (idev->cnf.forwarding)
@@ -532,7 +535,6 @@ static void inet6_ifa_finish_destroy_rcu(struct rcu_head *head) 
/* Nobody refers to this ifaddr, destroy it */

void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)

{

	WARN_ON(ifp->if_next != NULL);

	WARN_ON(!hlist_unhashed(&ifp->addr_lst));



#ifdef NET_REFCNT_DEBUG
@@ -556,21 +558,21 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) 
static void

ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp)

{

	struct inet6_ifaddr *ifa, **ifap;

	struct list_head *p;

	int ifp_scope = ipv6_addr_src_scope(&ifp->addr);



	/*

	 * Each device address list is sorted in order of scope -

	 * global before linklocal.

	 */

	for (ifap = &idev->addr_list; (ifa = *ifap) != NULL;

	     ifap = &ifa->if_next) {

	list_for_each(p, &idev->addr_list) {

		struct inet6_ifaddr *ifa

			= list_entry(p, struct inet6_ifaddr, if_list);

		if (ifp_scope >= ipv6_addr_src_scope(&ifa->addr))

			break;

	}



	ifp->if_next = *ifap;

	*ifap = ifp;

	list_add(&ifp->if_list, p);

}



static u32 ipv6_addr_hash(const struct in6_addr *addr)
@@ -703,7 +705,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, 


static void ipv6_del_addr(struct inet6_ifaddr *ifp)

{

	struct inet6_ifaddr *ifa, **ifap;

	struct inet6_ifaddr *ifa, *ifn;

	struct inet6_dev *idev = ifp->idev;

	int hash;

	int deleted = 0, onlink = 0;
@@ -730,11 +732,11 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) 
	}

#endif



	for (ifap = &idev->addr_list; (ifa=*ifap) != NULL;) {

	list_for_each_entry_safe(ifa, ifn, &idev->addr_list, if_list) {

		if (ifa == ifp) {

			*ifap = ifa->if_next;

			list_del_init(&ifp->if_list);

			__in6_ifa_put(ifp);

			ifa->if_next = NULL;



			if (!(ifp->flags & IFA_F_PERMANENT) || onlink > 0)

				break;

			deleted = 1;
@@ -767,7 +769,6 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) 
				}

			}

		}

		ifap = &ifa->if_next;

	}

	write_unlock_bh(&idev->lock);
@@ -1146,7 +1147,7 @@ int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, 
			continue;



		read_lock_bh(&idev->lock);

		for (score->ifa = idev->addr_list; score->ifa; score->ifa = score->ifa->if_next) {

		list_for_each_entry(score->ifa, &idev->addr_list, if_list) {

			int i;



			/*
@@ -1238,8 +1239,9 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr, 
		struct inet6_ifaddr *ifp;



		read_lock_bh(&idev->lock);

		for (ifp=idev->addr_list; ifp; ifp=ifp->if_next) {

			if (ifp->scope == IFA_LINK && !(ifp->flags & banned_flags)) {

		list_for_each_entry(ifp, &idev->addr_list, if_list) {

			if (ifp->scope == IFA_LINK &&

			    !(ifp->flags & banned_flags)) {

				ipv6_addr_copy(addr, &ifp->addr);

				err = 0;

				break;
@@ -1257,7 +1259,7 @@ static int ipv6_count_addresses(struct inet6_dev *idev) 
	struct inet6_ifaddr *ifp;



	read_lock_bh(&idev->lock);

	for (ifp=idev->addr_list; ifp; ifp=ifp->if_next)

	list_for_each_entry(ifp, &idev->addr_list, if_list)

		cnt++;

	read_unlock_bh(&idev->lock);

	return cnt;
@@ -1317,7 +1319,7 @@ int ipv6_chk_prefix(struct in6_addr *addr, struct net_device *dev) 
	idev = __in6_dev_get(dev);

	if (idev) {

		read_lock_bh(&idev->lock);

		for (ifa = idev->addr_list; ifa; ifa = ifa->if_next) {

		list_for_each_entry(ifa, &idev->addr_list, if_list) {

			onlink = ipv6_prefix_equal(addr, &ifa->addr,

						   ifa->prefix_len);

			if (onlink)
@@ -1555,7 +1557,7 @@ static int ipv6_inherit_eui64(u8 *eui, struct inet6_dev *idev) 
	struct inet6_ifaddr *ifp;



	read_lock_bh(&idev->lock);

	for (ifp=idev->addr_list; ifp; ifp=ifp->if_next) {

	list_for_each_entry(ifp, &idev->addr_list, if_list) {

		if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) {

			memcpy(eui, ifp->addr.s6_addr+8, 8);

			err = 0;
@@ -2159,7 +2161,7 @@ static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx, 
		return -ENXIO;



	read_lock_bh(&idev->lock);

	for (ifp = idev->addr_list; ifp; ifp=ifp->if_next) {

	list_for_each_entry(ifp, &idev->addr_list, if_list) {

		if (ifp->prefix_len == plen &&

		    ipv6_addr_equal(pfx, &ifp->addr)) {

			in6_ifa_hold(ifp);
@@ -2170,7 +2172,7 @@ static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx, 
			/* If the last address is deleted administratively,

			   disable IPv6 on this interface.

			 */

			if (idev->addr_list == NULL)

			if (list_empty(&idev->addr_list))

				addrconf_ifdown(idev->dev, 1);

			return 0;

		}
@@ -2602,9 +2604,10 @@ static void addrconf_type_change(struct net_device *dev, unsigned long event) 


static int addrconf_ifdown(struct net_device *dev, int how)

{

	struct inet6_dev *idev;

	struct inet6_ifaddr *ifa, *keep_list, **bifa;

	struct net *net = dev_net(dev);

	struct inet6_dev *idev;

	struct inet6_ifaddr *ifa;

	LIST_HEAD(keep_list);



	ASSERT_RTNL();
@@ -2658,12 +2661,10 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
		write_lock_bh(&idev->lock);

	}

#endif

	keep_list = NULL;

	bifa = &keep_list;

	while ((ifa = idev->addr_list) != NULL) {

		idev->addr_list = ifa->if_next;

		ifa->if_next = NULL;



	while (!list_empty(&idev->addr_list)) {

		ifa = list_first_entry(&idev->addr_list,

				       struct inet6_ifaddr, if_list);

		addrconf_del_timer(ifa);



		/* If just doing link down, and address is permanent
@@ -2671,10 +2672,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
		if (how == 0 &&

		    (ifa->flags&IFA_F_PERMANENT) &&

		    !(ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) {



			/* Move to holding list */

			*bifa = ifa;

			bifa = &ifa->if_next;

			list_move_tail(&ifa->if_list, &keep_list);



			/* If not doing DAD on this address, just keep it. */

			if ((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) ||
@@ -2690,6 +2688,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
			ifa->flags |= IFA_F_TENTATIVE;

			in6_ifa_hold(ifa);

		} else {

			list_del(&ifa->if_list);

			ifa->dead = 1;

		}

		write_unlock_bh(&idev->lock);
@@ -2707,7 +2706,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) 
		write_lock_bh(&idev->lock);

	}



	idev->addr_list = keep_list;

	list_splice(&keep_list, &idev->addr_list);



	write_unlock_bh(&idev->lock);
@@ -2917,7 +2916,7 @@ static void addrconf_dad_run(struct inet6_dev *idev) { 
	struct inet6_ifaddr *ifp;



	read_lock_bh(&idev->lock);

	for (ifp = idev->addr_list; ifp; ifp = ifp->if_next) {

	list_for_each_entry(ifp, &idev->addr_list, if_list) {

		spin_lock(&ifp->lock);

		if (!(ifp->flags & IFA_F_TENTATIVE)) {

			spin_unlock(&ifp->lock);
@@ -3500,7 +3499,6 @@ 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)

{

	struct inet6_ifaddr *ifa;

	struct ifmcaddr6 *ifmca;

	struct ifacaddr6 *ifaca;

	int err = 1;
@@ -3508,11 +3506,12 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, 


	read_lock_bh(&idev->lock);

	switch (type) {

	case UNICAST_ADDR:

	case UNICAST_ADDR: {

		struct inet6_ifaddr *ifa;



		/* unicast address incl. temp addr */

		for (ifa = idev->addr_list; ifa;

		     ifa = ifa->if_next, ip_idx++) {

			if (ip_idx < s_ip_idx)

		list_for_each_entry(ifa, &idev->addr_list, if_list) {

			if (++ip_idx < s_ip_idx)

				continue;

			err = inet6_fill_ifaddr(skb, ifa,

						NETLINK_CB(cb->skb).pid,
@@ -3523,6 +3522,7 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, 
				break;

		}

		break;

	}

	case MULTICAST_ADDR:

		/* multicast address */

		for (ifmca = idev->mc_list; ifmca;

net/sctp/ipv6.c

+1 −1
Original line number Diff line number Diff line
@@ -371,7 +371,7 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist, 
	}



	read_lock_bh(&in6_dev->lock);

	for (ifp = in6_dev->addr_list; ifp; ifp = ifp->if_next) {

	list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {

		/* Add the address to the local list.  */

		addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC);

		if (addr) {