diff options
29 files changed, 199 insertions, 139 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 8e21d457b89..236ad9a89c0 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -215,7 +215,7 @@ static int addr4_resolve(struct sockaddr_in *src_in,  	neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev);  	if (!neigh || !(neigh->nud_state & NUD_VALID)) { -		neigh_event_send(rt->dst.neighbour, NULL); +		neigh_event_send(dst_get_neighbour(&rt->dst), NULL);  		ret = -ENODATA;  		if (neigh)  			goto release; @@ -273,9 +273,10 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,  		goto put;  	} -	neigh = dst->neighbour; +	neigh = dst_get_neighbour(dst);  	if (!neigh || !(neigh->nud_state & NUD_VALID)) { -		neigh_event_send(dst->neighbour, NULL); +		if (neigh) +			neigh_event_send(neigh, NULL);  		ret = -ENODATA;  		goto put;  	} diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 0a5008fbeba..17bf9d95463 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1328,6 +1328,7 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)  	struct iwch_ep *child_ep, *parent_ep = ctx;  	struct cpl_pass_accept_req *req = cplhdr(skb);  	unsigned int hwtid = GET_TID(req); +	struct neighbour *neigh;  	struct dst_entry *dst;  	struct l2t_entry *l2t;  	struct rtable *rt; @@ -1364,7 +1365,8 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)  		goto reject;  	}  	dst = &rt->dst; -	l2t = t3_l2t_get(tdev, dst->neighbour, dst->neighbour->dev); +	neigh = dst_get_neighbour(dst); +	l2t = t3_l2t_get(tdev, neigh, neigh->dev);  	if (!l2t) {  		printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",  		       __func__); @@ -1874,10 +1876,11 @@ static int is_loopback_dst(struct iw_cm_id *cm_id)  int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)  { -	int err = 0;  	struct iwch_dev *h = to_iwch_dev(cm_id->device); +	struct neighbour *neigh;  	struct iwch_ep *ep;  	struct rtable *rt; +	int err = 0;  	if (is_loopback_dst(cm_id)) {  		err = -ENOSYS; @@ -1933,9 +1936,10 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)  	}  	ep->dst = &rt->dst; +	neigh = dst_get_neighbour(ep->dst); +  	/* get a l2t entry */ -	ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst->neighbour, -			     ep->dst->neighbour->dev); +	ep->l2t = t3_l2t_get(ep->com.tdev, neigh, neigh->dev);  	if (!ep->l2t) {  		printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);  		err = -ENOMEM; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 31fb44085c9..77f769d9227 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1325,6 +1325,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)  	unsigned int stid = GET_POPEN_TID(ntohl(req->tos_stid));  	struct tid_info *t = dev->rdev.lldi.tids;  	unsigned int hwtid = GET_TID(req); +	struct neighbour *neigh;  	struct dst_entry *dst;  	struct l2t_entry *l2t;  	struct rtable *rt; @@ -1357,11 +1358,11 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)  		goto reject;  	}  	dst = &rt->dst; -	if (dst->neighbour->dev->flags & IFF_LOOPBACK) { +	neigh = dst_get_neighbour(dst); +	if (neigh->dev->flags & IFF_LOOPBACK) {  		pdev = ip_dev_find(&init_net, peer_ip);  		BUG_ON(!pdev); -		l2t = cxgb4_l2t_get(dev->rdev.lldi.l2t, dst->neighbour, -				    pdev, 0); +		l2t = cxgb4_l2t_get(dev->rdev.lldi.l2t, neigh, pdev, 0);  		mtu = pdev->mtu;  		tx_chan = cxgb4_port_chan(pdev);  		smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1; @@ -1372,17 +1373,16 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)  		rss_qid = dev->rdev.lldi.rxq_ids[cxgb4_port_idx(pdev) * step];  		dev_put(pdev);  	} else { -		l2t = cxgb4_l2t_get(dev->rdev.lldi.l2t, dst->neighbour, -					dst->neighbour->dev, 0); +		l2t = cxgb4_l2t_get(dev->rdev.lldi.l2t, neigh, neigh->dev, 0);  		mtu = dst_mtu(dst); -		tx_chan = cxgb4_port_chan(dst->neighbour->dev); -		smac_idx = (cxgb4_port_viid(dst->neighbour->dev) & 0x7F) << 1; +		tx_chan = cxgb4_port_chan(neigh->dev); +		smac_idx = (cxgb4_port_viid(neigh->dev) & 0x7F) << 1;  		step = dev->rdev.lldi.ntxq / dev->rdev.lldi.nchan; -		txq_idx = cxgb4_port_idx(dst->neighbour->dev) * step; -		ctrlq_idx = cxgb4_port_idx(dst->neighbour->dev); +		txq_idx = cxgb4_port_idx(neigh->dev) * step; +		ctrlq_idx = cxgb4_port_idx(neigh->dev);  		step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan;  		rss_qid = dev->rdev.lldi.rxq_ids[ -			  cxgb4_port_idx(dst->neighbour->dev) * step]; +			  cxgb4_port_idx(neigh->dev) * step];  	}  	if (!l2t) {  		printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n", @@ -1847,6 +1847,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)  	struct c4iw_ep *ep;  	struct rtable *rt;  	struct net_device *pdev; +	struct neighbour *neigh;  	int step;  	if ((conn_param->ord > c4iw_max_read_depth) || @@ -1908,14 +1909,15 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)  	}  	ep->dst = &rt->dst; +	neigh = dst_get_neighbour(ep->dst); +  	/* get a l2t entry */ -	if (ep->dst->neighbour->dev->flags & IFF_LOOPBACK) { +	if (neigh->dev->flags & IFF_LOOPBACK) {  		PDBG("%s LOOPBACK\n", __func__);  		pdev = ip_dev_find(&init_net,  				   cm_id->remote_addr.sin_addr.s_addr);  		ep->l2t = cxgb4_l2t_get(ep->com.dev->rdev.lldi.l2t, -					ep->dst->neighbour, -					pdev, 0); +					neigh, pdev, 0);  		ep->mtu = pdev->mtu;  		ep->tx_chan = cxgb4_port_chan(pdev);  		ep->smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1; @@ -1930,20 +1932,18 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)  		dev_put(pdev);  	} else {  		ep->l2t = cxgb4_l2t_get(ep->com.dev->rdev.lldi.l2t, -					ep->dst->neighbour, -					ep->dst->neighbour->dev, 0); +					neigh, neigh->dev, 0);  		ep->mtu = dst_mtu(ep->dst); -		ep->tx_chan = cxgb4_port_chan(ep->dst->neighbour->dev); -		ep->smac_idx = (cxgb4_port_viid(ep->dst->neighbour->dev) & -				0x7F) << 1; +		ep->tx_chan = cxgb4_port_chan(neigh->dev); +		ep->smac_idx = (cxgb4_port_viid(neigh->dev) & 0x7F) << 1;  		step = ep->com.dev->rdev.lldi.ntxq /  		       ep->com.dev->rdev.lldi.nchan; -		ep->txq_idx = cxgb4_port_idx(ep->dst->neighbour->dev) * step; -		ep->ctrlq_idx = cxgb4_port_idx(ep->dst->neighbour->dev); +		ep->txq_idx = cxgb4_port_idx(neigh->dev) * step; +		ep->ctrlq_idx = cxgb4_port_idx(neigh->dev);  		step = ep->com.dev->rdev.lldi.nrxq /  		       ep->com.dev->rdev.lldi.nchan;  		ep->rss_qid = ep->com.dev->rdev.lldi.rxq_ids[ -			      cxgb4_port_idx(ep->dst->neighbour->dev) * step]; +			      cxgb4_port_idx(neigh->dev) * step];  	}  	if (!ep->l2t) {  		printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__); diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index e74cdf9ef47..73bc18465c9 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1151,7 +1151,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi  	}  	if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) -		neigh_event_send(rt->dst.neighbour, NULL); +		neigh_event_send(dst_get_neighbour(&rt->dst), NULL);  	ip_rt_put(rt);  	return rc; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 86addca9ddf..43f89ba0a90 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -560,9 +560,11 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)  	struct ipoib_dev_priv *priv = netdev_priv(dev);  	struct ipoib_path *path;  	struct ipoib_neigh *neigh; +	struct neighbour *n;  	unsigned long flags; -	neigh = ipoib_neigh_alloc(skb_dst(skb)->neighbour, skb->dev); +	n = dst_get_neighbour(skb_dst(skb)); +	neigh = ipoib_neigh_alloc(n, skb->dev);  	if (!neigh) {  		++dev->stats.tx_dropped;  		dev_kfree_skb_any(skb); @@ -571,9 +573,9 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)  	spin_lock_irqsave(&priv->lock, flags); -	path = __path_find(dev, skb_dst(skb)->neighbour->ha + 4); +	path = __path_find(dev, n->ha + 4);  	if (!path) { -		path = path_rec_create(dev, skb_dst(skb)->neighbour->ha + 4); +		path = path_rec_create(dev, n->ha + 4);  		if (!path)  			goto err_path; @@ -607,7 +609,7 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)  			}  		} else {  			spin_unlock_irqrestore(&priv->lock, flags); -			ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb_dst(skb)->neighbour->ha)); +			ipoib_send(dev, skb, path->ah, IPOIB_QPN(n->ha));  			return;  		}  	} else { @@ -637,17 +639,20 @@ err_drop:  static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)  {  	struct ipoib_dev_priv *priv = netdev_priv(skb->dev); +	struct dst_entry *dst = skb_dst(skb); +	struct neighbour *n;  	/* Look up path record for unicasts */ -	if (skb_dst(skb)->neighbour->ha[4] != 0xff) { +	n = dst_get_neighbour(dst); +	if (n->ha[4] != 0xff) {  		neigh_add_path(skb, dev);  		return;  	}  	/* Add in the P_Key for multicasts */ -	skb_dst(skb)->neighbour->ha[8] = (priv->pkey >> 8) & 0xff; -	skb_dst(skb)->neighbour->ha[9] = priv->pkey & 0xff; -	ipoib_mcast_send(dev, skb_dst(skb)->neighbour->ha + 4, skb); +	n->ha[8] = (priv->pkey >> 8) & 0xff; +	n->ha[9] = priv->pkey & 0xff; +	ipoib_mcast_send(dev, n->ha + 4, skb);  }  static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, @@ -712,18 +717,20 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)  {  	struct ipoib_dev_priv *priv = netdev_priv(dev);  	struct ipoib_neigh *neigh; +	struct neighbour *n;  	unsigned long flags; -	if (likely(skb_dst(skb) && skb_dst(skb)->neighbour)) { -		if (unlikely(!*to_ipoib_neigh(skb_dst(skb)->neighbour))) { +	n = dst_get_neighbour(skb_dst(skb)); +	if (likely(skb_dst(skb) && n)) { +		if (unlikely(!*to_ipoib_neigh(n))) {  			ipoib_path_lookup(skb, dev);  			return NETDEV_TX_OK;  		} -		neigh = *to_ipoib_neigh(skb_dst(skb)->neighbour); +		neigh = *to_ipoib_neigh(n);  		if (unlikely((memcmp(&neigh->dgid.raw, -				     skb_dst(skb)->neighbour->ha + 4, +				     n->ha + 4,  				     sizeof(union ib_gid))) ||  			     (neigh->dev != dev))) {  			spin_lock_irqsave(&priv->lock, flags); @@ -749,7 +756,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)  				return NETDEV_TX_OK;  			}  		} else if (neigh->ah) { -			ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(skb_dst(skb)->neighbour->ha)); +			ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(n->ha));  			return NETDEV_TX_OK;  		} @@ -812,6 +819,8 @@ static int ipoib_hard_header(struct sk_buff *skb,  			     const void *daddr, const void *saddr, unsigned len)  {  	struct ipoib_header *header; +	struct dst_entry *dst; +	struct neighbour *n;  	header = (struct ipoib_header *) skb_push(skb, sizeof *header); @@ -823,7 +832,11 @@ static int ipoib_hard_header(struct sk_buff *skb,  	 * destination address onto the front of the skb so we can  	 * figure out where to send the packet later.  	 */ -	if ((!skb_dst(skb) || !skb_dst(skb)->neighbour) && daddr) { +	dst = skb_dst(skb); +	n = NULL; +	if (dst) +		n = dst_get_neighbour(dst); +	if ((!dst || !n) && daddr) {  		struct ipoib_pseudoheader *phdr =  			(struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);  		memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 3871ac66355..ecea4fe1ed0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -258,11 +258,15 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,  	netif_tx_lock_bh(dev);  	while (!skb_queue_empty(&mcast->pkt_queue)) {  		struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue); +		struct dst_entry *dst = skb_dst(skb); +		struct neighbour *n = NULL; +  		netif_tx_unlock_bh(dev);  		skb->dev = dev; - -		if (!skb_dst(skb) || !skb_dst(skb)->neighbour) { +		if (dst) +			n = dst_get_neighbour(dst); +		if (!dst || !n) {  			/* put pseudoheader back on for next time */  			skb_push(skb, sizeof (struct ipoib_pseudoheader));  		} @@ -715,11 +719,13 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)  out:  	if (mcast && mcast->ah) { -		if (skb_dst(skb)		&& -		    skb_dst(skb)->neighbour && -		    !*to_ipoib_neigh(skb_dst(skb)->neighbour)) { -			struct ipoib_neigh *neigh = ipoib_neigh_alloc(skb_dst(skb)->neighbour, -									skb->dev); +		struct dst_entry *dst = skb_dst(skb); +		struct neighbour *n = NULL; +		if (dst) +			n = dst_get_neighbour(dst); +		if (n && !*to_ipoib_neigh(n)) { +			struct ipoib_neigh *neigh = ipoib_neigh_alloc(n, +								      skb->dev);  			if (neigh) {  				kref_get(&mcast->ah->ref); diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 9db9068d29d..fa1b450af82 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -971,7 +971,7 @@ static int nb_callback(struct notifier_block *self, unsigned long event,  	case (NETEVENT_REDIRECT):{  		struct netevent_redirect *nr = ctx;  		cxgb_redirect(nr->old, nr->new); -		cxgb_neigh_update(nr->new->neighbour); +		cxgb_neigh_update(dst_get_neighbour(nr->new));  		break;  	}  	default: @@ -1116,8 +1116,8 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)  	struct l2t_entry *e;  	struct t3c_tid_entry *te; -	olddev = old->neighbour->dev; -	newdev = new->neighbour->dev; +	olddev = dst_get_neighbour(old)->dev; +	newdev = dst_get_neighbour(new)->dev;  	if (!is_offloading(olddev))  		return;  	if (!is_offloading(newdev)) { @@ -1134,7 +1134,7 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)  	}  	/* Add new L2T entry */ -	e = t3_l2t_get(tdev, new->neighbour, newdev); +	e = t3_l2t_get(tdev, dst_get_neighbour(new), newdev);  	if (!e) {  		printk(KERN_ERR "%s: couldn't allocate new l2t entry!\n",  		       __func__); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index fd69da3fa6b..e2c9ac5fcb3 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2742,9 +2742,14 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)  int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)  {  	int cast_type = RTN_UNSPEC; +	struct neighbour *n = NULL; +	struct dst_entry *dst; -	if (skb_dst(skb) && skb_dst(skb)->neighbour) { -		cast_type = skb_dst(skb)->neighbour->type; +	dst = skb_dst(skb); +	if (dst) +		n = dst_get_neighbour(dst); +	if (n) { +		cast_type = n->type;  		if ((cast_type == RTN_BROADCAST) ||  		    (cast_type == RTN_MULTICAST) ||  		    (cast_type == RTN_ANYCAST)) @@ -2787,6 +2792,9 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)  static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,  		struct sk_buff *skb, int ipv, int cast_type)  { +	struct neighbour *n = NULL; +	struct dst_entry *dst; +  	memset(hdr, 0, sizeof(struct qeth_hdr));  	hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;  	hdr->hdr.l3.ext_flags = 0; @@ -2804,13 +2812,16 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,  	}  	hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); +	dst = skb_dst(skb); +	if (dst) +		n = dst_get_neighbour(dst);  	if (ipv == 4) {  		/* IPv4 */  		hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type);  		memset(hdr->hdr.l3.dest_addr, 0, 12); -		if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { +		if (n) {  			*((u32 *) (&hdr->hdr.l3.dest_addr[12])) = -			    *((u32 *) skb_dst(skb)->neighbour->primary_key); +			    *((u32 *) n->primary_key);  		} else {  			/* fill in destination address used in ip header */  			*((u32 *) (&hdr->hdr.l3.dest_addr[12])) = @@ -2821,9 +2832,9 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,  		hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type);  		if (card->info.type == QETH_CARD_TYPE_IQD)  			hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; -		if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { +		if (n) {  			memcpy(hdr->hdr.l3.dest_addr, -			       skb_dst(skb)->neighbour->primary_key, 16); +			       n->primary_key, 16);  		} else {  			/* fill in destination address used in ip header */  			memcpy(hdr->hdr.l3.dest_addr, diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index fc2cdb62f53..abc7b122e05 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -985,7 +985,7 @@ static int init_act_open(struct cxgbi_sock *csk)  		csk->saddr.sin_addr.s_addr = chba->ipv4addr;  	csk->rss_qid = 0; -	csk->l2t = t3_l2t_get(t3dev, dst->neighbour, ndev); +	csk->l2t = t3_l2t_get(t3dev, dst_get_neighbour(dst), ndev);  	if (!csk->l2t) {  		pr_err("NO l2t available.\n");  		return -EINVAL; diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index f3a4cd7cf78..ae13c4993aa 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1160,7 +1160,7 @@ static int init_act_open(struct cxgbi_sock *csk)  	cxgbi_sock_set_flag(csk, CTPF_HAS_ATID);  	cxgbi_sock_get(csk); -	csk->l2t = cxgb4_l2t_get(lldi->l2t, csk->dst->neighbour, ndev, 0); +	csk->l2t = cxgb4_l2t_get(lldi->l2t, dst_get_neighbour(csk->dst), ndev, 0);  	if (!csk->l2t) {  		pr_err("%s, cannot alloc l2t.\n", ndev->name);  		goto rel_resource; diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index a2a9c7c6c64..77ac217ad5c 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -492,7 +492,7 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr)  		goto err_out;  	}  	dst = &rt->dst; -	ndev = dst->neighbour->dev; +	ndev = dst_get_neighbour(dst)->dev;  	if (rt->rt_flags & (RTCF_MULTICAST | RTCF_BROADCAST)) {  		pr_info("multi-cast route %pI4, port %u, dev %s.\n", @@ -506,7 +506,7 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr)  		ndev = ip_dev_find(&init_net, daddr->sin_addr.s_addr);  		mtu = ndev->mtu;  		pr_info("rt dev %s, loopback -> %s, mtu %u.\n", -			dst->neighbour->dev->name, ndev->name, mtu); +			dst_get_neighbour(dst)->dev->name, ndev->name, mtu);  	}  	cdev = cxgbi_device_find_by_netdev(ndev, &port); diff --git a/include/net/dst.h b/include/net/dst.h index 0dd7ccbc0dd..8147206eefb 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -37,7 +37,7 @@ struct dst_entry {  	unsigned long		_metrics;  	unsigned long		expires;  	struct dst_entry	*path; -	struct neighbour	*neighbour; +	struct neighbour	*_neighbour;  #ifdef CONFIG_XFRM  	struct xfrm_state	*xfrm;  #else @@ -86,6 +86,16 @@ struct dst_entry {  	};  }; +static inline struct neighbour *dst_get_neighbour(struct dst_entry *dst) +{ +	return dst->_neighbour; +} + +static inline void dst_set_neighbour(struct dst_entry *dst, struct neighbour *neigh) +{ +	dst->_neighbour = neigh; +} +  extern u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);  extern const u32 dst_default_metrics[RTAX_MAX]; @@ -371,8 +381,10 @@ static inline void dst_rcu_free(struct rcu_head *head)  static inline void dst_confirm(struct dst_entry *dst)  { -	if (dst) -		neigh_confirm(dst->neighbour); +	if (dst) { +		struct neighbour *n = dst_get_neighbour(dst); +		neigh_confirm(n); +	}  }  static inline void dst_link_failure(struct sk_buff *skb) diff --git a/net/atm/clip.c b/net/atm/clip.c index c6cd5318be3..4bc8c67ecb1 100644 --- a/net/atm/clip.c +++ b/net/atm/clip.c @@ -362,33 +362,37 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,  				   struct net_device *dev)  {  	struct clip_priv *clip_priv = PRIV(dev); +	struct dst_entry *dst = skb_dst(skb);  	struct atmarp_entry *entry; +	struct neighbour *n;  	struct atm_vcc *vcc;  	int old;  	unsigned long flags;  	pr_debug("(skb %p)\n", skb); -	if (!skb_dst(skb)) { +	if (!dst) {  		pr_err("skb_dst(skb) == NULL\n");  		dev_kfree_skb(skb);  		dev->stats.tx_dropped++;  		return NETDEV_TX_OK;  	} -	if (!skb_dst(skb)->neighbour) { +	n = dst_get_neighbour(dst); +	if (!n) {  #if 0 -		skb_dst(skb)->neighbour = clip_find_neighbour(skb_dst(skb), 1); -		if (!skb_dst(skb)->neighbour) { +		n = clip_find_neighbour(skb_dst(skb), 1); +		if (!n) {  			dev_kfree_skb(skb);	/* lost that one */  			dev->stats.tx_dropped++;  			return 0;  		} +		dst_set_neighbour(dst, n);  #endif  		pr_err("NO NEIGHBOUR !\n");  		dev_kfree_skb(skb);  		dev->stats.tx_dropped++;  		return NETDEV_TX_OK;  	} -	entry = NEIGH2ENTRY(skb_dst(skb)->neighbour); +	entry = NEIGH2ENTRY(n);  	if (!entry->vccs) {  		if (time_after(jiffies, entry->expires)) {  			/* should be resolved */ @@ -405,7 +409,7 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,  	}  	pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);  	ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc; -	pr_debug("using neighbour %p, vcc %p\n", skb_dst(skb)->neighbour, vcc); +	pr_debug("using neighbour %p, vcc %p\n", n, vcc);  	if (entry->vccs->encap) {  		void *here; diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 1fe43fdf997..b1a5f9777b7 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -350,7 +350,7 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)  	if (!skb->dev)  		goto free_skb;  	dst = skb_dst(skb); -	neigh = dst->neighbour; +	neigh = dst_get_neighbour(dst);  	if (neigh->hh.hh_len) {  		neigh_hh_bridge(&neigh->hh, skb);  		skb->dev = nf_bridge->physindev; diff --git a/net/core/dst.c b/net/core/dst.c index 4aacc14936a..14b33baf073 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -171,7 +171,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,  	dst_init_metrics(dst, dst_default_metrics, true);  	dst->expires = 0UL;  	dst->path = dst; -	dst->neighbour = NULL; +	dst->_neighbour = NULL;  #ifdef CONFIG_XFRM  	dst->xfrm = NULL;  #endif @@ -229,11 +229,11 @@ struct dst_entry *dst_destroy(struct dst_entry * dst)  	smp_rmb();  again: -	neigh = dst->neighbour; +	neigh = dst->_neighbour;  	child = dst->child;  	if (neigh) { -		dst->neighbour = NULL; +		dst->_neighbour = NULL;  		neigh_release(neigh);  	} @@ -363,8 +363,8 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,  		dst->dev = dev_net(dst->dev)->loopback_dev;  		dev_hold(dst->dev);  		dev_put(dev); -		if (dst->neighbour && dst->neighbour->dev == dev) { -			dst->neighbour->dev = dst->dev; +		if (dst->_neighbour && dst->_neighbour->dev == dev) { +			dst->_neighbour->dev = dst->dev;  			dev_hold(dst->dev);  			dev_put(dev);  		} diff --git a/net/core/neighbour.c b/net/core/neighbour.c index cefb8e52615..8fab9b0bb20 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1153,11 +1153,12 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,  		while (neigh->nud_state & NUD_VALID &&  		       (skb = __skb_dequeue(&neigh->arp_queue)) != NULL) { -			struct neighbour *n1 = neigh; +			struct dst_entry *dst = skb_dst(skb); +			struct neighbour *n2, *n1 = neigh;  			write_unlock_bh(&neigh->lock);  			/* On shaper/eql skb->dst->neighbour != neigh :( */ -			if (skb_dst(skb) && skb_dst(skb)->neighbour) -				n1 = skb_dst(skb)->neighbour; +			if (dst && (n2 = dst_get_neighbour(dst)) != NULL) +				n1 = n2;  			n1->output(n1, skb);  			write_lock_bh(&neigh->lock);  		} diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c index 5d61e8965b6..0dc3fe61085 100644 --- a/net/decnet/dn_neigh.c +++ b/net/decnet/dn_neigh.c @@ -202,7 +202,7 @@ static int dn_neigh_output_packet(struct sk_buff *skb)  {  	struct dst_entry *dst = skb_dst(skb);  	struct dn_route *rt = (struct dn_route *)dst; -	struct neighbour *neigh = dst->neighbour; +	struct neighbour *neigh = dst_get_neighbour(dst);  	struct net_device *dev = neigh->dev;  	char mac_addr[ETH_ALEN]; diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 3b6400d17dc..9bd45fcb3b8 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -241,9 +241,11 @@ static int dn_dst_gc(struct dst_ops *ops)   */  static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu)  { +	struct neighbour *n = dst_get_neighbour(dst);  	u32 min_mtu = 230; -	struct dn_dev *dn = dst->neighbour ? -			    rcu_dereference_raw(dst->neighbour->dev->dn_ptr) : NULL; +	struct dn_dev *dn; + +	dn = n ? rcu_dereference_raw(n->dev->dn_ptr) : NULL;  	if (dn && dn->use_long == 0)  		min_mtu -= 6; @@ -708,7 +710,7 @@ out:  static int dn_to_neigh_output(struct sk_buff *skb)  {  	struct dst_entry *dst = skb_dst(skb); -	struct neighbour *n = dst->neighbour; +	struct neighbour *n = dst_get_neighbour(dst);  	return n->output(n, skb);  } @@ -723,7 +725,7 @@ static int dn_output(struct sk_buff *skb)  	int err = -EINVAL; -	if ((neigh = dst->neighbour) == NULL) +	if ((neigh = dst_get_neighbour(dst)) == NULL)  		goto error;  	skb->dev = dev; @@ -840,11 +842,11 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)  	}  	rt->rt_type = res->type; -	if (dev != NULL && rt->dst.neighbour == NULL) { +	if (dev != NULL && dst_get_neighbour(&rt->dst) == NULL) {  		n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev);  		if (IS_ERR(n))  			return PTR_ERR(n); -		rt->dst.neighbour = n; +		dst_set_neighbour(&rt->dst, n);  	}  	if (dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu) @@ -1151,7 +1153,7 @@ make_route:  	rt->rt_dst_map    = fld.daddr;  	rt->rt_src_map    = fld.saddr; -	rt->dst.neighbour = neigh; +	dst_set_neighbour(&rt->dst, neigh);  	neigh = NULL;  	rt->dst.lastuse = jiffies; @@ -1423,7 +1425,7 @@ make_route:  	rt->fld.flowidn_iif  = in_dev->ifindex;  	rt->fld.flowidn_mark = fld.flowidn_mark; -	rt->dst.neighbour = neigh; +	dst_set_neighbour(&rt->dst, neigh);  	rt->dst.lastuse = jiffies;  	rt->dst.output = dn_rt_bug;  	switch (res.type) { diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 8871067560d..d7bb94c4834 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -731,9 +731,9 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev  		}  #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)  		else if (skb->protocol == htons(ETH_P_IPV6)) { +			struct neighbour *neigh = dst_get_neighbour(skb_dst(skb));  			const struct in6_addr *addr6;  			int addr_type; -			struct neighbour *neigh = skb_dst(skb)->neighbour;  			if (neigh == NULL)  				goto tx_error; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index db296a98b23..be27e609a98 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -204,7 +204,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)  		skb = skb2;  	} -	neigh = dst->neighbour; +	neigh = dst_get_neighbour(dst);  	if (neigh)  		return neigh_output(neigh, skb); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bcf9bb50820..1d4cd3b4fd6 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -412,8 +412,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)  			   "HHUptod\tSpecDst");  	else {  		struct rtable *r = v; +		struct neighbour *n;  		int len; +		n = dst_get_neighbour(&r->dst);  		seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t"  			      "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n",  			r->dst.dev ? r->dst.dev->name : "*", @@ -427,9 +429,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)  			      dst_metric(&r->dst, RTAX_RTTVAR)),  			r->rt_key_tos,  			-1, -			(r->dst.neighbour && -			 (r->dst.neighbour->nud_state & NUD_CONNECTED)) ? -			   1 : 0, +			(n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0,  			r->rt_spec_dst, &len);  		seq_printf(seq, "%*s\n", 127 - len, ""); @@ -1026,7 +1026,7 @@ static int rt_bind_neighbour(struct rtable *rt)  	n = ipv4_neigh_lookup(tbl, dev, nexthop);  	if (IS_ERR(n))  		return PTR_ERR(n); -	rt->dst.neighbour = n; +	dst_set_neighbour(&rt->dst, n);  	return 0;  } @@ -1617,23 +1617,24 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)  {  	struct rtable *rt = (struct rtable *) dst;  	__be32 orig_gw = rt->rt_gateway; +	struct neighbour *n;  	dst_confirm(&rt->dst); -	neigh_release(rt->dst.neighbour); -	rt->dst.neighbour = NULL; +	neigh_release(dst_get_neighbour(&rt->dst)); +	dst_set_neighbour(&rt->dst, NULL);  	rt->rt_gateway = peer->redirect_learned.a4; -	if (rt_bind_neighbour(rt) || -	    !(rt->dst.neighbour->nud_state & NUD_VALID)) { -		if (rt->dst.neighbour) -			neigh_event_send(rt->dst.neighbour, NULL); +	rt_bind_neighbour(rt); +	n = dst_get_neighbour(&rt->dst); +	if (!n || !(n->nud_state & NUD_VALID)) { +		if (n) +			neigh_event_send(n, NULL);  		rt->rt_gateway = orig_gw;  		return -EAGAIN;  	} else {  		rt->rt_flags |= RTCF_REDIRECTED; -		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, -					rt->dst.neighbour); +		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);  	}  	return 0;  } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 48cd03df895..a06c53c14d8 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -656,7 +656,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,  	 * layer address of our nexhop router  	 */ -	if (rt->dst.neighbour == NULL) +	if (dst_get_neighbour(&rt->dst) == NULL)  		ifa->flags &= ~IFA_F_OPTIMISTIC;  	ifa->idev = idev; diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 158df2365d5..54a4678955b 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1455,7 +1455,7 @@ static int fib6_age(struct rt6_info *rt, void *arg)  			RT6_TRACE("aging clone %p\n", rt);  			return -1;  		} else if ((rt->rt6i_flags & RTF_GATEWAY) && -			   (!(rt->dst.neighbour->flags & NTF_ROUTER))) { +			   (!(dst_get_neighbour(&rt->dst)->flags & NTF_ROUTER))) {  			RT6_TRACE("purging route %p via non-router but gateway\n",  				  rt);  			return -1; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index eb50bb07ab2..8db0e4875ad 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -135,7 +135,7 @@ static int ip6_finish_output2(struct sk_buff *skb)  				skb->len);  	} -	neigh = dst->neighbour; +	neigh = dst_get_neighbour(dst);  	if (neigh)  		return neigh_output(neigh, skb); @@ -385,6 +385,7 @@ int ip6_forward(struct sk_buff *skb)  	struct ipv6hdr *hdr = ipv6_hdr(skb);  	struct inet6_skb_parm *opt = IP6CB(skb);  	struct net *net = dev_net(dst->dev); +	struct neighbour *n;  	u32 mtu;  	if (net->ipv6.devconf_all->forwarding == 0) @@ -459,11 +460,10 @@ int ip6_forward(struct sk_buff *skb)  	   send redirects to source routed frames.  	   We don't send redirects to frames decapsulated from IPsec.  	 */ -	if (skb->dev == dst->dev && dst->neighbour && opt->srcrt == 0 && -	    !skb_sec_path(skb)) { +	n = dst_get_neighbour(dst); +	if (skb->dev == dst->dev && n && opt->srcrt == 0 && !skb_sec_path(skb)) {  		struct in6_addr *target = NULL;  		struct rt6_info *rt; -		struct neighbour *n = dst->neighbour;  		/*  		 *	incoming and outgoing devices are the same @@ -920,8 +920,11 @@ out:  static int ip6_dst_lookup_tail(struct sock *sk,  			       struct dst_entry **dst, struct flowi6 *fl6)  { -	int err;  	struct net *net = sock_net(sk); +#ifdef CONFIG_IPV6_OPTIMISTIC_DAD +	struct neighbour *n; +#endif +	int err;  	if (*dst == NULL)  		*dst = ip6_route_output(net, sk, fl6); @@ -947,7 +950,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,  	 * dst entry and replace it instead with the  	 * dst entry of the nexthop router  	 */ -	if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) { +	n = dst_get_neighbour(*dst); +	if (n && !(n->nud_state & NUD_VALID)) {  		struct inet6_ifaddr *ifp;  		struct flowi6 fl_gw6;  		int redirect; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index a997d414f52..9da6e02eaae 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1238,7 +1238,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)  	rt = rt6_get_dflt_router(&ipv6_hdr(skb)->saddr, skb->dev);  	if (rt) -		neigh = rt->dst.neighbour; +		neigh = dst_get_neighbour(&rt->dst);  	if (rt && lifetime == 0) {  		neigh_clone(neigh); @@ -1259,7 +1259,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)  			return;  		} -		neigh = rt->dst.neighbour; +		neigh = dst_get_neighbour(&rt->dst);  		if (neigh == NULL) {  			ND_PRINTK0(KERN_ERR  				   "ICMPv6 RA: %s() got default router without neighbour.\n", diff --git a/net/ipv6/route.c b/net/ipv6/route.c index c1515a3c130..2998cb5be90 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -356,7 +356,7 @@ out:  #ifdef CONFIG_IPV6_ROUTER_PREF  static void rt6_probe(struct rt6_info *rt)  { -	struct neighbour *neigh = rt ? rt->dst.neighbour : NULL; +	struct neighbour *neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;  	/*  	 * Okay, this does not seem to be appropriate  	 * for now, however, we need to check if it @@ -404,7 +404,7 @@ static inline int rt6_check_dev(struct rt6_info *rt, int oif)  static inline int rt6_check_neigh(struct rt6_info *rt)  { -	struct neighbour *neigh = rt->dst.neighbour; +	struct neighbour *neigh = dst_get_neighbour(&rt->dst);  	int m;  	if (rt->rt6i_flags & RTF_NONEXTHOP ||  	    !(rt->rt6i_flags & RTF_GATEWAY)) @@ -745,7 +745,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add  			dst_free(&rt->dst);  			return NULL;  		} -		rt->dst.neighbour = neigh; +		dst_set_neighbour(&rt->dst, neigh);  	} @@ -760,7 +760,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, const struct in6_a  		rt->rt6i_dst.plen = 128;  		rt->rt6i_flags |= RTF_CACHE;  		rt->dst.flags |= DST_HOST; -		rt->dst.neighbour = neigh_clone(ort->dst.neighbour); +		dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour(&ort->dst)));  	}  	return rt;  } @@ -794,7 +794,7 @@ restart:  	dst_hold(&rt->dst);  	read_unlock_bh(&table->tb6_lock); -	if (!rt->dst.neighbour && !(rt->rt6i_flags & RTF_NONEXTHOP)) +	if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))  		nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);  	else if (!(rt->dst.flags & DST_HOST))  		nrt = rt6_alloc_clone(rt, &fl6->daddr); @@ -1058,7 +1058,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,  	}  	rt->rt6i_idev     = idev; -	rt->dst.neighbour  = neigh; +	dst_set_neighbour(&rt->dst, neigh);  	atomic_set(&rt->dst.__refcnt, 1);  	dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);  	rt->dst.output  = ip6_output; @@ -1338,12 +1338,12 @@ int ip6_route_add(struct fib6_config *cfg)  		rt->rt6i_prefsrc.plen = 0;  	if (cfg->fc_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) { -		rt->dst.neighbour = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev); -		if (IS_ERR(rt->dst.neighbour)) { -			err = PTR_ERR(rt->dst.neighbour); -			rt->dst.neighbour = NULL; +		struct neighbour *n = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev); +		if (IS_ERR(n)) { +			err = PTR_ERR(n);  			goto out;  		} +		dst_set_neighbour(&rt->dst, n);  	}  	rt->rt6i_flags = cfg->fc_flags; @@ -1574,7 +1574,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,  	dst_confirm(&rt->dst);  	/* Duplicate redirect: silently ignore. */ -	if (neigh == rt->dst.neighbour) +	if (neigh == dst_get_neighbour(&rt->dst))  		goto out;  	nrt = ip6_rt_copy(rt); @@ -1590,7 +1590,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,  	nrt->dst.flags |= DST_HOST;  	ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key); -	nrt->dst.neighbour = neigh_clone(neigh); +	dst_set_neighbour(&nrt->dst, neigh_clone(neigh));  	if (ip6_ins_rt(nrt))  		goto out; @@ -1670,7 +1670,7 @@ again:  	   1. It is connected route. Action: COW  	   2. It is gatewayed route or NONEXTHOP route. Action: clone it.  	 */ -	if (!rt->dst.neighbour && !(rt->rt6i_flags & RTF_NONEXTHOP)) +	if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))  		nrt = rt6_alloc_cow(rt, daddr, saddr);  	else  		nrt = rt6_alloc_clone(rt, daddr); @@ -2035,7 +2035,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,  		return ERR_CAST(neigh);  	} -	rt->dst.neighbour = neigh; +	dst_set_neighbour(&rt->dst, neigh);  	ipv6_addr_copy(&rt->rt6i_dst.addr, addr);  	rt->rt6i_dst.plen = 128; @@ -2400,8 +2400,8 @@ static int rt6_fill_node(struct net *net,  	if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)  		goto nla_put_failure; -	if (rt->dst.neighbour) -		NLA_PUT(skb, RTA_GATEWAY, 16, &rt->dst.neighbour->primary_key); +	if (dst_get_neighbour(&rt->dst)) +		NLA_PUT(skb, RTA_GATEWAY, 16, &dst_get_neighbour(&rt->dst)->primary_key);  	if (rt->dst.dev)  		NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex); @@ -2585,6 +2585,7 @@ struct rt6_proc_arg  static int rt6_info_route(struct rt6_info *rt, void *p_arg)  {  	struct seq_file *m = p_arg; +	struct neighbour *n;  	seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen); @@ -2593,9 +2594,9 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)  #else  	seq_puts(m, "00000000000000000000000000000000 00 ");  #endif - -	if (rt->dst.neighbour) { -		seq_printf(m, "%pi6", rt->dst.neighbour->primary_key); +	n = dst_get_neighbour(&rt->dst); +	if (n) { +		seq_printf(m, "%pi6", n->primary_key);  	} else {  		seq_puts(m, "00000000000000000000000000000000");  	} diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 1cca5761aea..07bf1085458 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -677,7 +677,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,  		struct neighbour *neigh = NULL;  		if (skb_dst(skb)) -			neigh = skb_dst(skb)->neighbour; +			neigh = dst_get_neighbour(skb_dst(skb));  		if (neigh == NULL) {  			if (net_ratelimit()) @@ -702,7 +702,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,  		struct neighbour *neigh = NULL;  		if (skb_dst(skb)) -			neigh = skb_dst(skb)->neighbour; +			neigh = dst_get_neighbour(skb_dst(skb));  		if (neigh == NULL) {  			if (net_ratelimit()) diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index 45cd30098e3..a3b7120fcc7 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -229,7 +229,7 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *  {  	struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);  	struct teql_sched_data *q = qdisc_priv(dev_queue->qdisc); -	struct neighbour *mn = skb_dst(skb)->neighbour; +	struct neighbour *mn = dst_get_neighbour(skb_dst(skb));  	struct neighbour *n = q->ncache;  	if (mn->tbl == NULL) @@ -270,7 +270,7 @@ static inline int teql_resolve(struct sk_buff *skb,  	if (dev->header_ops == NULL ||  	    skb_dst(skb) == NULL || -	    skb_dst(skb)->neighbour == NULL) +	    dst_get_neighbour(skb_dst(skb)) == NULL)  		return 0;  	return __teql_resolve(skb, skb_res, dev);  } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 5ce74a38552..7803eb6af41 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1497,7 +1497,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,  		goto free_dst;  	/* Copy neighbour for reachability confirmation */ -	dst0->neighbour = neigh_clone(dst->neighbour); +	dst_set_neighbour(dst0, neigh_clone(dst_get_neighbour(dst)));  	xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len);  	xfrm_init_pmtu(dst_prev);  |