20 files changed, 432 insertions, 133 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index dd86a1dc4cd0..6c1323940263 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -3,46 +3,35 @@
 #include <linux/if_vlan.h>
 #include "vlan.h"
 
-struct vlan_hwaccel_cb {
-	struct net_device	*dev;
-};
-
-static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb)
-{
-	return (struct vlan_hwaccel_cb *)skb->cb;
-}
-
 /* VLAN rx hw acceleration helper.  This acts like netif_{rx,receive_skb}(). */
 int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 		      u16 vlan_tci, int polling)
 {
-	struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
-
-	if (skb_bond_should_drop(skb)) {
-		dev_kfree_skb_any(skb);
-		return NET_RX_DROP;
-	}
+	if (skb_bond_should_drop(skb))
+		goto drop;
 
 	skb->vlan_tci = vlan_tci;
-	cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+	skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+
+	if (!skb->dev)
+		goto drop;
 
 	return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+
+drop:
+	dev_kfree_skb_any(skb);
+	return NET_RX_DROP;
 }
 EXPORT_SYMBOL(__vlan_hwaccel_rx);
 
 int vlan_hwaccel_do_receive(struct sk_buff *skb)
 {
-	struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
-	struct net_device *dev = cb->dev;
+	struct net_device *dev = skb->dev;
 	struct net_device_stats *stats;
 
+	skb->dev = vlan_dev_info(dev)->real_dev;
 	netif_nit_deliver(skb);
 
-	if (dev == NULL) {
-		kfree_skb(skb);
-		return -1;
-	}
-
 	skb->dev = dev;
 	skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci);
 	skb->vlan_tci = 0;
@@ -80,3 +69,79 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
 	return vlan_dev_info(dev)->vlan_id;
 }
 EXPORT_SYMBOL_GPL(vlan_dev_vlan_id);
+
+static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
+			   unsigned int vlan_tci, struct sk_buff *skb)
+{
+	struct sk_buff *p;
+
+	if (skb_bond_should_drop(skb))
+		goto drop;
+
+	skb->vlan_tci = vlan_tci;
+	skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+
+	if (!skb->dev)
+		goto drop;
+
+	for (p = napi->gro_list; p; p = p->next) {
+		NAPI_GRO_CB(p)->same_flow = p->dev == skb->dev;
+		NAPI_GRO_CB(p)->flush = 0;
+	}
+
+	return dev_gro_receive(napi, skb);
+
+drop:
+	return 2;
+}
+
+int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+		     unsigned int vlan_tci, struct sk_buff *skb)
+{
+	int err = NET_RX_SUCCESS;
+
+	switch (vlan_gro_common(napi, grp, vlan_tci, skb)) {
+	case -1:
+		return netif_receive_skb(skb);
+
+	case 2:
+		err = NET_RX_DROP;
+		/* fall through */
+
+	case 1:
+		kfree_skb(skb);
+		break;
+	}
+
+	return err;
+}
+EXPORT_SYMBOL(vlan_gro_receive);
+
+int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+		   unsigned int vlan_tci, struct napi_gro_fraginfo *info)
+{
+	struct sk_buff *skb = napi_fraginfo_skb(napi, info);
+	int err = NET_RX_DROP;
+
+	if (!skb)
+		goto out;
+
+	err = NET_RX_SUCCESS;
+
+	switch (vlan_gro_common(napi, grp, vlan_tci, skb)) {
+	case -1:
+		return netif_receive_skb(skb);
+
+	case 2:
+		err = NET_RX_DROP;
+		/* fall through */
+
+	case 1:
+		napi_reuse_skb(napi, skb);
+		break;
+	}
+
+out:
+	return err;
+}
+EXPORT_SYMBOL(vlan_gro_frags);
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 89a3bbdfca3f..4a19acd3a32b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -546,6 +546,18 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return err;
 }
 
+static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int err = 0;
+
+	if (netif_device_present(real_dev) && ops->ndo_neigh_setup)
+		err = ops->ndo_neigh_setup(dev, pa);
+
+	return err;
+}
+
 static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
 {
 	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
@@ -713,6 +725,7 @@ static const struct net_device_ops vlan_netdev_ops = {
 	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
 };
 
 static const struct net_device_ops vlan_netdev_accel_ops = {
@@ -728,6 +741,7 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
 };
 
 void vlan_setup(struct net_device *dev)
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index b03ff58e9308..89f99d3beb60 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -443,13 +443,14 @@ static void aarp_send_probe_phase1(struct atalk_iface *iface)
 {
 	struct ifreq atreq;
 	struct sockaddr_at *sa = (struct sockaddr_at *)&atreq.ifr_addr;
+	const struct net_device_ops *ops = iface->dev->netdev_ops;
 
 	sa->sat_addr.s_node = iface->address.s_node;
 	sa->sat_addr.s_net = ntohs(iface->address.s_net);
 
 	/* We pass the Net:Node to the drivers/cards by a Device ioctl. */
-	if (!(iface->dev->do_ioctl(iface->dev, &atreq, SIOCSIFADDR))) {
-		(void)iface->dev->do_ioctl(iface->dev, &atreq, SIOCGIFADDR);
+	if (!(ops->ndo_do_ioctl(iface->dev, &atreq, SIOCSIFADDR))) {
+		ops->ndo_do_ioctl(iface->dev, &atreq, SIOCGIFADDR);
 		if (iface->address.s_net != htons(sa->sat_addr.s_net) ||
 		    iface->address.s_node != sa->sat_addr.s_node)
 			iface->status |= ATIF_PROBE_FAIL;
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index d20f8a40f36e..0d9e506f5d5a 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -165,7 +165,6 @@ struct bnep_session {
 
 	struct socket    *sock;
 	struct net_device *dev;
-	struct net_device_stats stats;
 };
 
 void bnep_net_setup(struct net_device *dev);
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 70fea8bdb4e5..52a6ce0d772b 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -306,7 +306,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 	struct sk_buff *nskb;
 	u8 type;
 
-	s->stats.rx_bytes += skb->len;
+	dev->stats.rx_bytes += skb->len;
 
 	type = *(u8 *) skb->data; skb_pull(skb, 1);
 
@@ -343,7 +343,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 	 * may not be modified and because of the alignment requirements. */
 	nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);
 	if (!nskb) {
-		s->stats.rx_dropped++;
+		dev->stats.rx_dropped++;
 		kfree_skb(skb);
 		return -ENOMEM;
 	}
@@ -378,14 +378,14 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 	skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
 	kfree_skb(skb);
 
-	s->stats.rx_packets++;
+	dev->stats.rx_packets++;
 	nskb->ip_summed = CHECKSUM_NONE;
 	nskb->protocol  = eth_type_trans(nskb, dev);
 	netif_rx_ni(nskb);
 	return 0;
 
 badframe:
-	s->stats.rx_errors++;
+	dev->stats.rx_errors++;
 	kfree_skb(skb);
 	return 0;
 }
@@ -448,8 +448,8 @@ send:
 	kfree_skb(skb);
 
 	if (len > 0) {
-		s->stats.tx_bytes += len;
-		s->stats.tx_packets++;
+		s->dev->stats.tx_bytes += len;
+		s->dev->stats.tx_packets++;
 		return 0;
 	}
 
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index f897da6e0444..d7a0e9722def 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -55,12 +55,6 @@ static int bnep_net_close(struct net_device *dev)
 	return 0;
 }
 
-static struct net_device_stats *bnep_net_get_stats(struct net_device *dev)
-{
-	struct bnep_session *s = netdev_priv(dev);
-	return &s->stats;
-}
-
 static void bnep_net_set_mc_list(struct net_device *dev)
 {
 #ifdef CONFIG_BT_BNEP_MC_FILTER
@@ -128,11 +122,6 @@ static void bnep_net_timeout(struct net_device *dev)
 	netif_wake_queue(dev);
 }
 
-static int bnep_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
-	return -EINVAL;
-}
-
 #ifdef CONFIG_BT_BNEP_MC_FILTER
 static inline int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s)
 {
@@ -217,6 +206,18 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev)
 	return 0;
 }
 
+static const struct net_device_ops bnep_netdev_ops = {
+	.ndo_open            = bnep_net_open,
+	.ndo_stop            = bnep_net_close,
+	.ndo_start_xmit	     = bnep_net_xmit,
+	.ndo_validate_addr   = eth_validate_addr,
+	.ndo_set_multicast_list = bnep_net_set_mc_list,
+	.ndo_set_mac_address = bnep_net_set_mac_addr,
+	.ndo_tx_timeout      = bnep_net_timeout,
+	.ndo_change_mtu	     = eth_change_mtu,
+
+};
+
 void bnep_net_setup(struct net_device *dev)
 {
 
@@ -224,15 +225,7 @@ void bnep_net_setup(struct net_device *dev)
 	dev->addr_len = ETH_ALEN;
 
 	ether_setup(dev);
-
-	dev->open            = bnep_net_open;
-	dev->stop            = bnep_net_close;
-	dev->hard_start_xmit = bnep_net_xmit;
-	dev->get_stats       = bnep_net_get_stats;
-	dev->do_ioctl        = bnep_net_ioctl;
-	dev->set_mac_address = bnep_net_set_mac_addr;
-	dev->set_multicast_list = bnep_net_set_mc_list;
+	dev->netdev_ops = &bnep_netdev_ops;
 
 	dev->watchdog_timeo  = HZ * 2;
-	dev->tx_timeout      = bnep_net_timeout;
 }
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 3dadb338addd..fa417ca6cbe6 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -414,6 +414,12 @@ static struct hlist_head *find_rcv_list(canid_t *can_id, canid_t *mask,
  *  The filter can be inverted (CAN_INV_FILTER bit set in can_id) or it can
  *  filter for error frames (CAN_ERR_FLAG bit set in mask).
  *
+ *  The provided pointer to the sk_buff is guaranteed to be valid as long as
+ *  the callback function is running. The callback function must *not* free
+ *  the given sk_buff while processing it's task. When the given sk_buff is
+ *  needed after the end of the callback function it must be cloned inside
+ *  the callback function with skb_clone().
+ *
  * Return:
  *  0 on success
  *  -ENOMEM on missing cache mem to create subscription entry
@@ -569,13 +575,8 @@ EXPORT_SYMBOL(can_rx_unregister);
 
 static inline void deliver(struct sk_buff *skb, struct receiver *r)
 {
-	struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC);
-
-	if (clone) {
-		clone->sk = skb->sk;
-		r->func(clone, r->data);
-		r->matches++;
-	}
+	r->func(skb, r->data);
+	r->matches++;
 }
 
 static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 6248ae2502c7..1649c8ab2c2f 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -633,7 +633,7 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data)
 	hrtimer_cancel(&op->timer);
 
 	if (op->can_id != rxframe->can_id)
-		goto rx_freeskb;
+		return;
 
 	/* save rx timestamp */
 	op->rx_stamp = skb->tstamp;
@@ -645,19 +645,19 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data)
 	if (op->flags & RX_RTR_FRAME) {
 		/* send reply for RTR-request (placed in op->frames[0]) */
 		bcm_can_tx(op);
-		goto rx_freeskb;
+		return;
 	}
 
 	if (op->flags & RX_FILTER_ID) {
 		/* the easiest case */
 		bcm_rx_update_and_send(op, &op->last_frames[0], rxframe);
-		goto rx_freeskb_starttimer;
+		goto rx_starttimer;
 	}
 
 	if (op->nframes == 1) {
 		/* simple compare with index 0 */
 		bcm_rx_cmp_to_index(op, 0, rxframe);
-		goto rx_freeskb_starttimer;
+		goto rx_starttimer;
 	}
 
 	if (op->nframes > 1) {
@@ -678,10 +678,8 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data)
 		}
 	}
 
-rx_freeskb_starttimer:
+rx_starttimer:
 	bcm_rx_starttimer(op);
-rx_freeskb:
-	kfree_skb(skb);
 }
 
 /*
diff --git a/net/can/raw.c b/net/can/raw.c
index 27aab63df467..0703cba4bf9f 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -99,13 +99,14 @@ static void raw_rcv(struct sk_buff *skb, void *data)
 	struct raw_sock *ro = raw_sk(sk);
 	struct sockaddr_can *addr;
 
-	if (!ro->recv_own_msgs) {
-		/* check the received tx sock reference */
-		if (skb->sk == sk) {
-			kfree_skb(skb);
-			return;
-		}
-	}
+	/* check the received tx sock reference */
+	if (!ro->recv_own_msgs && skb->sk == sk)
+		return;
+
+	/* clone the given skb to be able to enqueue it into the rcv queue */
+	skb = skb_clone(skb, GFP_ATOMIC);
+	if (!skb)
+		return;
 
 	/*
 	 *  Put the datagram to the queue so that raw_recvmsg() can
diff --git a/net/core/dev.c b/net/core/dev.c
index 382df6c09eec..bab8bcedd62e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2387,7 +2387,7 @@ void napi_gro_flush(struct napi_struct *napi)
 }
 EXPORT_SYMBOL(napi_gro_flush);
 
-static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
 	struct sk_buff **pp = NULL;
 	struct packet_type *ptype;
@@ -2417,11 +2417,14 @@ static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 
 		for (p = napi->gro_list; p; p = p->next) {
 			count++;
-			NAPI_GRO_CB(p)->same_flow =
-				p->mac_len == mac_len &&
-				!memcmp(skb_mac_header(p), skb_mac_header(skb),
-					mac_len);
-			NAPI_GRO_CB(p)->flush = 0;
+
+			if (!NAPI_GRO_CB(p)->same_flow)
+				continue;
+
+			if (p->mac_len != mac_len ||
+			    memcmp(skb_mac_header(p), skb_mac_header(skb),
+				   mac_len))
+				NAPI_GRO_CB(p)->same_flow = 0;
 		}
 
 		pp = ptype->gro_receive(&napi->gro_list, skb);
@@ -2463,6 +2466,19 @@ ok:
 normal:
 	return -1;
 }
+EXPORT_SYMBOL(dev_gro_receive);
+
+static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+{
+	struct sk_buff *p;
+
+	for (p = napi->gro_list; p; p = p->next) {
+		NAPI_GRO_CB(p)->same_flow = 1;
+		NAPI_GRO_CB(p)->flush = 0;
+	}
+
+	return dev_gro_receive(napi, skb);
+}
 
 int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
@@ -2479,11 +2495,26 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(napi_gro_receive);
 
-int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
+void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
+{
+	skb_shinfo(skb)->nr_frags = 0;
+
+	skb->len -= skb->data_len;
+	skb->truesize -= skb->data_len;
+	skb->data_len = 0;
+
+	__skb_pull(skb, skb_headlen(skb));
+	skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
+
+	napi->skb = skb;
+}
+EXPORT_SYMBOL(napi_reuse_skb);
+
+struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
+				  struct napi_gro_fraginfo *info)
 {
 	struct net_device *dev = napi->dev;
 	struct sk_buff *skb = napi->skb;
-	int err = NET_RX_DROP;
 
 	napi->skb = NULL;
 
@@ -2503,16 +2534,31 @@ int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
 	skb->len += info->len;
 	skb->truesize += info->len;
 
-	if (!pskb_may_pull(skb, ETH_HLEN))
-		goto reuse;
-
-	err = NET_RX_SUCCESS;
+	if (!pskb_may_pull(skb, ETH_HLEN)) {
+		napi_reuse_skb(napi, skb);
+		goto out;
+	}
 
 	skb->protocol = eth_type_trans(skb, dev);
 
 	skb->ip_summed = info->ip_summed;
 	skb->csum = info->csum;
 
+out:
+	return skb;
+}
+EXPORT_SYMBOL(napi_fraginfo_skb);
+
+int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
+{
+	struct sk_buff *skb = napi_fraginfo_skb(napi, info);
+	int err = NET_RX_DROP;
+
+	if (!skb)
+		goto out;
+
+	err = NET_RX_SUCCESS;
+
 	switch (__napi_gro_receive(napi, skb)) {
 	case -1:
 		return netif_receive_skb(skb);
@@ -2521,17 +2567,7 @@ int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
 		goto out;
 	}
 
-reuse:
-	skb_shinfo(skb)->nr_frags = 0;
-
-	skb->len -= skb->data_len;
-	skb->truesize -= skb->data_len;
-	skb->data_len = 0;
-
-	__skb_pull(skb, skb_headlen(skb));
-	skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
-
-	napi->skb = skb;
+	napi_reuse_skb(napi, skb);
 
 out:
 	return err;
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index a3a410d20da0..a68fd79e9eca 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -286,6 +286,42 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
 	.get_sset_count		= dsa_slave_get_sset_count,
 };
 
+#ifdef CONFIG_NET_DSA_TAG_DSA
+static const struct net_device_ops dsa_netdev_ops = {
+	.ndo_open	 	= dsa_slave_open,
+	.ndo_stop		= dsa_slave_close,
+	.ndo_start_xmit		= dsa_xmit,
+	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
+	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
+	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
+	.ndo_set_mac_address	= dsa_slave_set_mac_address,
+	.ndo_do_ioctl		= dsa_slave_ioctl,
+};
+#endif
+#ifdef CONFIG_NET_DSA_TAG_EDSA
+static const struct net_device_ops edsa_netdev_ops = {
+	.ndo_open	 	= dsa_slave_open,
+	.ndo_stop		= dsa_slave_close,
+	.ndo_start_xmit		= edsa_xmit,
+	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
+	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
+	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
+	.ndo_set_mac_address	= dsa_slave_set_mac_address,
+	.ndo_do_ioctl		= dsa_slave_ioctl,
+};
+#endif
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+static const struct net_device_ops trailer_netdev_ops = {
+	.ndo_open	 	= dsa_slave_open,
+	.ndo_stop		= dsa_slave_close,
+	.ndo_start_xmit		= trailer_xmit,
+	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
+	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
+	.ndo_set_multicast_list = dsa_slave_set_rx_mode,
+	.ndo_set_mac_address	= dsa_slave_set_mac_address,
+	.ndo_do_ioctl		= dsa_slave_ioctl,
+};
+#endif
 
 /* slave device setup *******************************************************/
 struct net_device *
@@ -306,32 +342,27 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent,
 	SET_ETHTOOL_OPS(slave_dev, &dsa_slave_ethtool_ops);
 	memcpy(slave_dev->dev_addr, master->dev_addr, ETH_ALEN);
 	slave_dev->tx_queue_len = 0;
+
 	switch (ds->tag_protocol) {
 #ifdef CONFIG_NET_DSA_TAG_DSA
 	case htons(ETH_P_DSA):
-		slave_dev->hard_start_xmit = dsa_xmit;
+		slave_dev->netdev_ops = &dsa_netdev_ops;
 		break;
 #endif
 #ifdef CONFIG_NET_DSA_TAG_EDSA
 	case htons(ETH_P_EDSA):
-		slave_dev->hard_start_xmit = edsa_xmit;
+		slave_dev->netdev_ops = &edsa_netdev_ops;
 		break;
 #endif
 #ifdef CONFIG_NET_DSA_TAG_TRAILER
 	case htons(ETH_P_TRAILER):
-		slave_dev->hard_start_xmit = trailer_xmit;
+		slave_dev->netdev_ops = &trailer_netdev_ops;
 		break;
 #endif
 	default:
 		BUG();
 	}
-	slave_dev->open = dsa_slave_open;
-	slave_dev->stop = dsa_slave_close;
-	slave_dev->change_rx_flags = dsa_slave_change_rx_flags;
-	slave_dev->set_rx_mode = dsa_slave_set_rx_mode;
-	slave_dev->set_multicast_list = dsa_slave_set_rx_mode;
-	slave_dev->set_mac_address = dsa_slave_set_mac_address;
-	slave_dev->do_ioctl = dsa_slave_ioctl;
+
 	SET_NETDEV_DEV(slave_dev, parent);
 	slave_dev->vlan_features = master->vlan_features;
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 35bcddf8a932..bd6ff907d9e4 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2542,6 +2542,7 @@ out:
 
 	return pp;
 }
+EXPORT_SYMBOL(tcp_gro_receive);
 
 int tcp_gro_complete(struct sk_buff *skb)
 {
@@ -2558,6 +2559,7 @@ int tcp_gro_complete(struct sk_buff *skb)
 
 	return 0;
 }
+EXPORT_SYMBOL(tcp_gro_complete);
 
 #ifdef CONFIG_TCP_MD5SIG
 static unsigned long tcp_md5sig_users;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 437b750b98fd..94f74f5b0cbf 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -672,8 +672,7 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
 
 EXPORT_SYMBOL_GPL(ipv6_opt_accepted);
 
-static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb,
-						    int proto)
+static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto)
 {
 	struct inet6_protocol *ops = NULL;
 
@@ -704,7 +703,7 @@ static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb,
 		__skb_pull(skb, len);
 	}
 
-	return ops;
+	return proto;
 }
 
 static int ipv6_gso_send_check(struct sk_buff *skb)
@@ -721,7 +720,9 @@ static int ipv6_gso_send_check(struct sk_buff *skb)
 	err = -EPROTONOSUPPORT;
 
 	rcu_read_lock();
-	ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
+	ops = rcu_dereference(inet6_protos[
+		ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]);
+
 	if (likely(ops && ops->gso_send_check)) {
 		skb_reset_transport_header(skb);
 		err = ops->gso_send_check(skb);
@@ -757,7 +758,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
 	segs = ERR_PTR(-EPROTONOSUPPORT);
 
 	rcu_read_lock();
-	ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
+	ops = rcu_dereference(inet6_protos[
+		ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]);
+
 	if (likely(ops && ops->gso_segment)) {
 		skb_reset_transport_header(skb);
 		segs = ops->gso_segment(skb, features);
@@ -777,11 +780,105 @@ out:
 	return segs;
 }
 
+struct ipv6_gro_cb {
+	struct napi_gro_cb napi;
+	int proto;
+};
+
+#define IPV6_GRO_CB(skb) ((struct ipv6_gro_cb *)(skb)->cb)
+
+static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
+					 struct sk_buff *skb)
+{
+	struct inet6_protocol *ops;
+	struct sk_buff **pp = NULL;
+	struct sk_buff *p;
+	struct ipv6hdr *iph;
+	unsigned int nlen;
+	int flush = 1;
+	int proto;
+
+	if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
+		goto out;
+
+	iph = ipv6_hdr(skb);
+	__skb_pull(skb, sizeof(*iph));
+
+	flush += ntohs(iph->payload_len) != skb->len;
+
+	rcu_read_lock();
+	proto = ipv6_gso_pull_exthdrs(skb, iph->nexthdr);
+	IPV6_GRO_CB(skb)->proto = proto;
+	ops = rcu_dereference(inet6_protos[proto]);
+	if (!ops || !ops->gro_receive)
+		goto out_unlock;
+
+	flush--;
+	skb_reset_transport_header(skb);
+	nlen = skb_network_header_len(skb);
+
+	for (p = *head; p; p = p->next) {
+		struct ipv6hdr *iph2;
+
+		if (!NAPI_GRO_CB(p)->same_flow)
+			continue;
+
+		iph2 = ipv6_hdr(p);
+
+		/* All fields must match except length. */
+		if (nlen != skb_network_header_len(p) ||
+		    memcmp(iph, iph2, offsetof(struct ipv6hdr, payload_len)) ||
+		    memcmp(&iph->nexthdr, &iph2->nexthdr,
+			   nlen - offsetof(struct ipv6hdr, nexthdr))) {
+			NAPI_GRO_CB(p)->same_flow = 0;
+			continue;
+		}
+
+		NAPI_GRO_CB(p)->flush |= flush;
+	}
+
+	NAPI_GRO_CB(skb)->flush |= flush;
+
+	pp = ops->gro_receive(head, skb);
+
+out_unlock:
+	rcu_read_unlock();
+
+out:
+	NAPI_GRO_CB(skb)->flush |= flush;
+
+	return pp;
+}
+
+static int ipv6_gro_complete(struct sk_buff *skb)
+{
+	struct inet6_protocol *ops;
+	struct ipv6hdr *iph = ipv6_hdr(skb);
+	int err = -ENOSYS;
+
+	iph->payload_len = htons(skb->len - skb_network_offset(skb) -
+				 sizeof(*iph));
+
+	rcu_read_lock();
+	ops = rcu_dereference(inet6_protos[IPV6_GRO_CB(skb)->proto]);
+	if (WARN_ON(!ops || !ops->gro_complete))
+		goto out_unlock;
+
+	err = ops->gro_complete(skb);
+
+out_unlock:
+	rcu_read_unlock();
+
+	return err;
+}
+
 static struct packet_type ipv6_packet_type = {
 	.type = __constant_htons(ETH_P_IPV6),
 	.func = ipv6_rcv,
 	.gso_send_check = ipv6_gso_send_check,
 	.gso_segment = ipv6_gso_segment,
+	.gro_receive = ipv6_gro_receive,
+	.gro_complete = ipv6_gro_complete,
 };
 
 static int __init ipv6_packet_init(void)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e8b8337a8310..1297306d729c 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -101,7 +101,7 @@ static void tcp_v6_hash(struct sock *sk)
 	}
 }
 
-static __inline__ __sum16 tcp_v6_check(struct tcphdr *th, int len,
+static __inline__ __sum16 tcp_v6_check(int len,
 				   struct in6_addr *saddr,
 				   struct in6_addr *daddr,
 				   __wsum base)
@@ -501,7 +501,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
 	if (skb) {
 		struct tcphdr *th = tcp_hdr(skb);
 
-		th->check = tcp_v6_check(th, skb->len,
+		th->check = tcp_v6_check(skb->len,
 					 &treq->loc_addr, &treq->rmt_addr,
 					 csum_partial(th, skb->len, skb->csum));
 
@@ -942,6 +942,41 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb)
 	return 0;
 }
 
+struct sk_buff **tcp6_gro_receive(struct sk_buff **head, struct sk_buff *skb)
+{
+	struct ipv6hdr *iph = ipv6_hdr(skb);
+
+	switch (skb->ip_summed) {
+	case CHECKSUM_COMPLETE:
+		if (!tcp_v6_check(skb->len, &iph->saddr, &iph->daddr,
+				  skb->csum)) {
+			skb->ip_summed = CHECKSUM_UNNECESSARY;
+			break;
+		}
+
+		/* fall through */
+	case CHECKSUM_NONE:
+		NAPI_GRO_CB(skb)->flush = 1;
+		return NULL;
+	}
+
+	return tcp_gro_receive(head, skb);
+}
+EXPORT_SYMBOL(tcp6_gro_receive);
+
+int tcp6_gro_complete(struct sk_buff *skb)
+{
+	struct ipv6hdr *iph = ipv6_hdr(skb);
+	struct tcphdr *th = tcp_hdr(skb);
+
+	th->check = ~tcp_v6_check(skb->len - skb_transport_offset(skb),
+				  &iph->saddr, &iph->daddr, 0);
+	skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
+
+	return tcp_gro_complete(skb);
+}
+EXPORT_SYMBOL(tcp6_gro_complete);
+
 static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
 				 u32 ts, struct tcp_md5sig_key *key, int rst)
 {
@@ -1429,14 +1464,14 @@ out:
 static __sum16 tcp_v6_checksum_init(struct sk_buff *skb)
 {
 	if (skb->ip_summed == CHECKSUM_COMPLETE) {
-		if (!tcp_v6_check(tcp_hdr(skb), skb->len, &ipv6_hdr(skb)->saddr,
+		if (!tcp_v6_check(skb->len, &ipv6_hdr(skb)->saddr,
 				  &ipv6_hdr(skb)->daddr, skb->csum)) {
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 			return 0;
 		}
 	}
 
-	skb->csum = ~csum_unfold(tcp_v6_check(tcp_hdr(skb), skb->len,
+	skb->csum = ~csum_unfold(tcp_v6_check(skb->len,
 					      &ipv6_hdr(skb)->saddr,
 					      &ipv6_hdr(skb)->daddr, 0));
 
@@ -2062,6 +2097,8 @@ static struct inet6_protocol tcpv6_protocol = {
 	.err_handler	=	tcp_v6_err,
 	.gso_send_check	=	tcp_v6_gso_send_check,
 	.gso_segment	=	tcp_tso_segment,
+	.gro_receive	=	tcp6_gro_receive,
+	.gro_complete	=	tcp6_gro_complete,
 	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index b0ceac2d6cd1..6a91a32a80c1 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -227,6 +227,13 @@ static int gprs_set_mtu(struct net_device *dev, int new_mtu)
 	return 0;
 }
 
+static const struct net_device_ops gprs_netdev_ops = {
+	.ndo_open	= gprs_open,
+	.ndo_stop	= gprs_close,
+	.ndo_start_xmit	= gprs_xmit,
+	.ndo_change_mtu	= gprs_set_mtu,
+};
+
 static void gprs_setup(struct net_device *dev)
 {
 	dev->features		= NETIF_F_FRAGLIST;
@@ -237,11 +244,8 @@ static void gprs_setup(struct net_device *dev)
 	dev->addr_len		= 0;
 	dev->tx_queue_len	= 10;
 
+	dev->netdev_ops		= &gprs_netdev_ops;
 	dev->destructor		= free_netdev;
-	dev->open		= gprs_open;
-	dev->stop		= gprs_close;
-	dev->hard_start_xmit	= gprs_xmit; /* mandatory */
-	dev->change_mtu		= gprs_set_mtu;
 }
 
 /*
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index cfc8e7caba62..ec697cebb63b 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -289,9 +289,9 @@ restart:
 
 	do {
 		struct net_device *slave = qdisc_dev(q);
-		struct netdev_queue *slave_txq;
+		struct netdev_queue *slave_txq = netdev_get_tx_queue(slave, 0);
+		const struct net_device_ops *slave_ops = slave->netdev_ops;
 
-		slave_txq = netdev_get_tx_queue(slave, 0);
 		if (slave_txq->qdisc_sleeping != q)
 			continue;
 		if (__netif_subqueue_stopped(slave, subq) ||
@@ -305,7 +305,7 @@ restart:
 			if (__netif_tx_trylock(slave_txq)) {
 				if (!netif_tx_queue_stopped(slave_txq) &&
 				    !netif_tx_queue_frozen(slave_txq) &&
-				    slave->hard_start_xmit(skb, slave) == 0) {
+				    slave_ops->ndo_start_xmit(skb, slave) == 0) {
 					__netif_tx_unlock(slave_txq);
 					master->slaves = NEXT_SLAVE(q);
 					netif_wake_queue(dev);
@@ -420,6 +420,14 @@ static int teql_master_mtu(struct net_device *dev, int new_mtu)
 	return 0;
 }
 
+static const struct net_device_ops teql_netdev_ops = {
+	.ndo_open	= teql_master_open,
+	.ndo_stop	= teql_master_close,
+	.ndo_start_xmit	= teql_master_xmit,
+	.ndo_get_stats	= teql_master_stats,
+	.ndo_change_mtu	= teql_master_mtu,
+};
+
 static __init void teql_master_setup(struct net_device *dev)
 {
 	struct teql_master *master = netdev_priv(dev);
@@ -436,11 +444,7 @@ static __init void teql_master_setup(struct net_device *dev)
 	ops->destroy	=	teql_destroy;
 	ops->owner	=	THIS_MODULE;
 
-	dev->open		= teql_master_open;
-	dev->hard_start_xmit	= teql_master_xmit;
-	dev->stop		= teql_master_close;
-	dev->get_stats		= teql_master_stats;
-	dev->change_mtu		= teql_master_mtu;
+	dev->netdev_ops =       &teql_netdev_ops;
 	dev->type		= ARPHRD_VOID;
 	dev->mtu		= 1500;
 	dev->tx_queue_len	= 100;
diff --git a/net/wimax/Kconfig b/net/wimax/Kconfig
index 0bdbb6928205..18495cdcd10d 100644
--- a/net/wimax/Kconfig
+++ b/net/wimax/Kconfig
@@ -1,9 +1,23 @@
 #
 # WiMAX LAN device configuration
 #
+# Note the ugly 'depends on' on WIMAX: that disallows RFKILL to be a
+# module if WIMAX is to be linked in. The WiMAX code is done in such a
+# way that it doesn't require and explicit dependency on RFKILL in
+# case an embedded system wants to rip it out.
+#
+# As well, enablement of the RFKILL code means we need the INPUT layer
+# support to inject events coming from hw rfkill switches. That
+# dependency could be killed if input.h provided appropiate means to
+# work when input is disabled.
+
+comment "WiMAX Wireless Broadband support requires CONFIG_INPUT enabled"
+	depends on INPUT = n && RFKILL != n
 
 menuconfig WIMAX
 	tristate "WiMAX Wireless Broadband support"
+	depends on (y && RFKILL != m) || m
+	depends on (INPUT && RFKILL != n) || RFKILL = n
 	help
 
 	  Select to configure support for devices that provide
diff --git a/net/wimax/id-table.c b/net/wimax/id-table.c
index d3b88558682c..5e685f7eda90 100644
--- a/net/wimax/id-table.c
+++ b/net/wimax/id-table.c
@@ -123,15 +123,17 @@ void wimax_id_table_rm(struct wimax_dev *wimax_dev)
 /*
  * Release the gennetlink family id / mapping table
  *
- * On debug, verify that the table is empty upon removal.
+ * On debug, verify that the table is empty upon removal. We want the
+ * code always compiled, to ensure it doesn't bit rot. It will be
+ * compiled out if CONFIG_BUG is disabled.
  */
 void wimax_id_table_release(void)
 {
+	struct wimax_dev *wimax_dev;
+
 #ifndef CONFIG_BUG
 	return;
 #endif
-	struct wimax_dev *wimax_dev;
-
 	spin_lock(&wimax_id_table_lock);
 	list_for_each_entry(wimax_dev, &wimax_id_table, id_table_node) {
 		printk(KERN_ERR "BUG: %s wimax_dev %p ifindex %d not cleared\n",
diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c
index 8745bac173f1..2b75aee04217 100644
--- a/net/wimax/op-rfkill.c
+++ b/net/wimax/op-rfkill.c
@@ -71,7 +71,7 @@
 #define D_SUBMODULE op_rfkill
 #include "debug-levels.h"
 
-#ifdef CONFIG_RFKILL
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
 
 
 /**
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index e49a2d1ef1e4..cb6a5bb85d80 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -1055,8 +1055,8 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
 			return private(dev, iwr, cmd, info, handler);
 	}
 	/* Old driver API : call driver ioctl handler */
-	if (dev->do_ioctl)
-		return dev->do_ioctl(dev, ifr, cmd);
+	if (dev->netdev_ops->ndo_do_ioctl)
+		return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
 	return -EOPNOTSUPP;
 }