1 files changed, 122 insertions, 73 deletions

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e2c9ac5..4d5307d 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -13,6 +13,7 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/bitops.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -23,10 +24,12 @@
 #include <linux/inetdevice.h>
 #include <linux/igmp.h>
 #include <linux/slab.h>
+#include <linux/if_vlan.h>
 
 #include <net/ip.h>
 #include <net/arp.h>
 #include <net/ip6_checksum.h>
+#include <net/iucv/af_iucv.h>
 
 #include "qeth_l3.h"
 
@@ -265,7 +268,7 @@ static int __qeth_l3_insert_ip_todo(struct qeth_card *card,
 	}
 }
 
-static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
+int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 {
 	unsigned long flags;
 	int rc = 0;
@@ -284,7 +287,7 @@ static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 	return rc;
 }
 
-static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
+int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 {
 	unsigned long flags;
 	int rc = 0;
@@ -303,7 +306,7 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
 }
 
 
-static struct qeth_ipaddr *qeth_l3_get_addr_buffer(
+struct qeth_ipaddr *qeth_l3_get_addr_buffer(
 				enum qeth_prot_versions prot)
 {
 	struct qeth_ipaddr *addr;
@@ -419,7 +422,7 @@ again:
 	list_splice(&fail_list, &card->ip_list);
 }
 
-static void qeth_l3_set_ip_addr_list(struct qeth_card *card)
+void qeth_l3_set_ip_addr_list(struct qeth_card *card)
 {
 	struct list_head *tbd_list;
 	struct qeth_ipaddr *todo, *addr;
@@ -436,7 +439,7 @@ static void qeth_l3_set_ip_addr_list(struct qeth_card *card)
 
 	spin_lock_irqsave(&card->ip_lock, flags);
 	tbd_list = card->ip_tbd_list;
-	card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
+	card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC);
 	if (!card->ip_tbd_list) {
 		QETH_CARD_TEXT(card, 0, "silnomem");
 		card->ip_tbd_list = tbd_list;
@@ -1412,7 +1415,7 @@ static int qeth_l3_send_checksum_command(struct qeth_card *card)
 	return 0;
 }
 
-int qeth_l3_set_rx_csum(struct qeth_card *card, int on)
+static int qeth_l3_set_rx_csum(struct qeth_card *card, int on)
 {
 	int rc = 0;
 
@@ -1696,16 +1699,18 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev)
 static void qeth_l3_add_vlan_mc(struct qeth_card *card)
 {
 	struct in_device *in_dev;
-	struct vlan_group *vg;
-	int i;
+	u16 vid;
 
 	QETH_CARD_TEXT(card, 4, "addmcvl");
-	if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
+	if (!qeth_is_supported(card, IPA_FULL_VLAN))
 		return;
 
-	vg = card->vlangrp;
-	for (i = 0; i < VLAN_N_VID; i++) {
-		struct net_device *netdev = vlan_group_get_device(vg, i);
+	for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+		struct net_device *netdev;
+
+		rcu_read_lock();
+		netdev = __vlan_find_dev_deep(card->dev, vid);
+		rcu_read_unlock();
 		if (netdev == NULL ||
 		    !(netdev->flags & IFF_UP))
 			continue;
@@ -1759,16 +1764,16 @@ static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
 static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
 {
 	struct inet6_dev *in_dev;
-	struct vlan_group *vg;
-	int i;
+	u16 vid;
 
 	QETH_CARD_TEXT(card, 4, "admc6vl");
-	if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
+	if (!qeth_is_supported(card, IPA_FULL_VLAN))
 		return;
 
-	vg = card->vlangrp;
-	for (i = 0; i < VLAN_N_VID; i++) {
-		struct net_device *netdev = vlan_group_get_device(vg, i);
+	for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+		struct net_device *netdev;
+
+		netdev = __vlan_find_dev_deep(card->dev, vid);
 		if (netdev == NULL ||
 		    !(netdev->flags & IFF_UP))
 			continue;
@@ -1806,10 +1811,12 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
 	struct in_device *in_dev;
 	struct in_ifaddr *ifa;
 	struct qeth_ipaddr *addr;
+	struct net_device *netdev;
 
 	QETH_CARD_TEXT(card, 4, "frvaddr4");
 
-	in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid));
+	netdev = __vlan_find_dev_deep(card->dev, vid);
+	in_dev = in_dev_get(netdev);
 	if (!in_dev)
 		return;
 	for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@@ -1832,10 +1839,12 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
 	struct inet6_dev *in6_dev;
 	struct inet6_ifaddr *ifa;
 	struct qeth_ipaddr *addr;
+	struct net_device *netdev;
 
 	QETH_CARD_TEXT(card, 4, "frvaddr6");
 
-	in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
+	netdev = __vlan_find_dev_deep(card->dev, vid);
+	in6_dev = in6_dev_get(netdev);
 	if (!in6_dev)
 		return;
 	list_for_each_entry(ifa, &in6_dev->addr_list, if_list) {
@@ -1856,26 +1865,15 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
 static void qeth_l3_free_vlan_addresses(struct qeth_card *card,
 			unsigned short vid)
 {
-	if (!card->vlangrp)
-		return;
 	qeth_l3_free_vlan_addresses4(card, vid);
 	qeth_l3_free_vlan_addresses6(card, vid);
 }
 
-static void qeth_l3_vlan_rx_register(struct net_device *dev,
-			struct vlan_group *grp)
+static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 {
 	struct qeth_card *card = dev->ml_priv;
-	unsigned long flags;
-
-	QETH_CARD_TEXT(card, 4, "vlanreg");
-	spin_lock_irqsave(&card->vlanlock, flags);
-	card->vlangrp = grp;
-	spin_unlock_irqrestore(&card->vlanlock, flags);
-}
 
-static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
-{
+	set_bit(vid, card->active_vlans);
 	return;
 }
 
@@ -1892,7 +1890,7 @@ static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 	spin_lock_irqsave(&card->vlanlock, flags);
 	/* unregister IP addresses of vlan device */
 	qeth_l3_free_vlan_addresses(card, vid);
-	vlan_group_set_device(card->vlangrp, vid, NULL);
+	clear_bit(vid, card->active_vlans);
 	spin_unlock_irqrestore(&card->vlanlock, flags);
 	qeth_l3_set_multicast_list(card->dev);
 }
@@ -1996,12 +1994,13 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 	__u16 vlan_tag = 0;
 	int is_vlan;
 	unsigned int len;
+	__u16 magic;
 
 	*done = 0;
 	BUG_ON(!budget);
 	while (budget) {
 		skb = qeth_core_get_next_skb(card,
-			card->qdio.in_q->bufs[card->rx.b_index].buffer,
+			&card->qdio.in_q->bufs[card->rx.b_index],
 			&card->rx.b_element, &card->rx.e_offset, &hdr);
 		if (!skb) {
 			*done = 1;
@@ -2010,14 +2009,26 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 		skb->dev = card->dev;
 		switch (hdr->hdr.l3.id) {
 		case QETH_HEADER_TYPE_LAYER3:
-			is_vlan = qeth_l3_rebuild_skb(card, skb, hdr,
+			magic = *(__u16 *)skb->data;
+			if ((card->info.type == QETH_CARD_TYPE_IQD) &&
+			    (magic == ETH_P_AF_IUCV)) {
+				skb->protocol = ETH_P_AF_IUCV;
+				skb->pkt_type = PACKET_HOST;
+				skb->mac_header = NET_SKB_PAD;
+				skb->dev = card->dev;
+				len = skb->len;
+				card->dev->header_ops->create(skb, card->dev, 0,
+					card->dev->dev_addr, "FAKELL",
+					card->dev->addr_len);
+				netif_receive_skb(skb);
+			} else {
+				is_vlan = qeth_l3_rebuild_skb(card, skb, hdr,
 						      &vlan_tag);
-			len = skb->len;
-			if (is_vlan && !card->options.sniffer)
-				vlan_gro_receive(&card->napi, card->vlangrp,
-					vlan_tag, skb);
-			else
+				len = skb->len;
+				if (is_vlan && !card->options.sniffer)
+					__vlan_hwaccel_put_tag(skb, vlan_tag);
 				napi_gro_receive(&card->napi, skb);
+			}
 			break;
 		case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
 			skb->pkt_type = PACKET_HOST;
@@ -2118,15 +2129,15 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
 			struct qeth_card *card)
 {
 	int rc = 0;
-	struct vlan_group *vg;
-	int i;
+	u16 vid;
 
-	vg = card->vlangrp;
-	if (!vg)
-		return rc;
+	for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
+		struct net_device *netdev;
 
-	for (i = 0; i < VLAN_N_VID; i++) {
-		if (vlan_group_get_device(vg, i) == dev) {
+		rcu_read_lock();
+		netdev = __vlan_find_dev_deep(dev, vid);
+		rcu_read_unlock();
+		if (netdev == dev) {
 			rc = QETH_VLAN_CARD;
 			break;
 		}
@@ -2745,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 	struct neighbour *n = NULL;
 	struct dst_entry *dst;
 
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
 	if (n) {
 		cast_type = n->type;
+		rcu_read_unlock();
 		if ((cast_type == RTN_BROADCAST) ||
 		    (cast_type == RTN_MULTICAST) ||
 		    (cast_type == RTN_ANYCAST))
@@ -2757,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 		else
 			return RTN_UNSPEC;
 	}
+	rcu_read_unlock();
+
 	/* try something else */
 	if (skb->protocol == ETH_P_IPV6)
 		return (skb_network_header(skb)[24] == 0xff) ?
@@ -2789,6 +2804,30 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 	return cast_type;
 }
 
+static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card,
+		struct qeth_hdr *hdr, struct sk_buff *skb)
+{
+	char daddr[16];
+	struct af_iucv_trans_hdr *iucv_hdr;
+
+	skb_pull(skb, 14);
+	card->dev->header_ops->create(skb, card->dev, 0,
+				      card->dev->dev_addr, card->dev->dev_addr,
+				      card->dev->addr_len);
+	skb_pull(skb, 14);
+	iucv_hdr = (struct af_iucv_trans_hdr *)skb->data;
+	memset(hdr, 0, sizeof(struct qeth_hdr));
+	hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
+	hdr->hdr.l3.ext_flags = 0;
+	hdr->hdr.l3.length = skb->len;
+	hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST;
+	memset(daddr, 0, sizeof(daddr));
+	daddr[0] = 0xfe;
+	daddr[1] = 0x80;
+	memcpy(&daddr[8], iucv_hdr->destUserID, 8);
+	memcpy(hdr->hdr.l3.dest_addr, daddr, 16);
+}
+
 static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 		struct sk_buff *skb, int ipv, int cast_type)
 {
@@ -2803,7 +2842,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 	 * before we're going to overwrite this location with next hop ip.
 	 * v6 uses passthrough, v4 sets the tag in the QDIO header.
 	 */
-	if (card->vlangrp && vlan_tx_tag_present(skb)) {
+	if (vlan_tx_tag_present(skb)) {
 		if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD))
 			hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME;
 		else
@@ -2812,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 	}
 
 	hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
@@ -2858,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 				QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
 		}
 	}
+	rcu_read_unlock();
 }
 
 static inline void qeth_l3_hdr_csum(struct qeth_card *card,
@@ -2941,8 +2983,11 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	int data_offset = -1;
 	int nr_frags;
 
-	if (((card->info.type == QETH_CARD_TYPE_IQD) && (!ipv)) ||
-	     card->options.sniffer)
+	if (((card->info.type == QETH_CARD_TYPE_IQD) &&
+	     (((card->options.cq != QETH_CQ_ENABLED) && !ipv) ||
+	      ((card->options.cq == QETH_CQ_ENABLED) &&
+	       (skb->protocol != ETH_P_AF_IUCV)))) ||
+	    card->options.sniffer)
 			goto tx_drop;
 
 	if ((card->state != CARD_STATE_UP) || !card->lan_online) {
@@ -2964,7 +3009,10 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) &&
 	    (skb_shinfo(skb)->nr_frags == 0)) {
 		new_skb = skb;
-		data_offset = ETH_HLEN;
+		if (new_skb->protocol == ETH_P_AF_IUCV)
+			data_offset = 0;
+		else
+			data_offset = ETH_HLEN;
 		hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC);
 		if (!hdr)
 			goto tx_drop;
@@ -2988,8 +3036,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 				skb_pull(new_skb, ETH_HLEN);
 		}
 
-		if (ipv != 4 && card->vlangrp &&
-				vlan_tx_tag_present(new_skb)) {
+		if (ipv != 4 && vlan_tx_tag_present(new_skb)) {
 			skb_push(new_skb, VLAN_HLEN);
 			skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4);
 			skb_copy_to_linear_data_offset(new_skb, 4,
@@ -2999,7 +3046,6 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			tag = (u16 *)(new_skb->data + 12);
 			*tag = __constant_htons(ETH_P_8021Q);
 			*(tag + 1) = htons(vlan_tx_tag_get(new_skb));
-			new_skb->vlan_tci = 0;
 		}
 	}
 
@@ -3031,9 +3077,13 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			qeth_l3_fill_header(card, hdr, new_skb, ipv,
 						cast_type);
 		} else {
-			qeth_l3_fill_header(card, hdr, new_skb, ipv,
-						cast_type);
-			hdr->hdr.l3.length = new_skb->len - data_offset;
+			if (new_skb->protocol == ETH_P_AF_IUCV)
+				qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb);
+			else {
+				qeth_l3_fill_header(card, hdr, new_skb, ipv,
+							cast_type);
+				hdr->hdr.l3.length = new_skb->len - data_offset;
+			}
 		}
 
 		if (skb->ip_summed == CHECKSUM_PARTIAL)
@@ -3232,15 +3282,14 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
 	.ndo_get_stats		= qeth_get_stats,
 	.ndo_start_xmit		= qeth_l3_hard_start_xmit,
 	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_multicast_list = qeth_l3_set_multicast_list,
-	.ndo_do_ioctl	   	= qeth_l3_do_ioctl,
-	.ndo_change_mtu	   	= qeth_change_mtu,
-	.ndo_fix_features   	= qeth_l3_fix_features,
-	.ndo_set_features   	= qeth_l3_set_features,
-	.ndo_vlan_rx_register	= qeth_l3_vlan_rx_register,
+	.ndo_set_rx_mode	= qeth_l3_set_multicast_list,
+	.ndo_do_ioctl		= qeth_l3_do_ioctl,
+	.ndo_change_mtu		= qeth_change_mtu,
+	.ndo_fix_features	= qeth_l3_fix_features,
+	.ndo_set_features	= qeth_l3_set_features,
 	.ndo_vlan_rx_add_vid	= qeth_l3_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid   = qeth_l3_vlan_rx_kill_vid,
-	.ndo_tx_timeout	   	= qeth_tx_timeout,
+	.ndo_tx_timeout		= qeth_tx_timeout,
 };
 
 static const struct net_device_ops qeth_l3_osa_netdev_ops = {
@@ -3249,15 +3298,14 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
 	.ndo_get_stats		= qeth_get_stats,
 	.ndo_start_xmit		= qeth_l3_hard_start_xmit,
 	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_multicast_list = qeth_l3_set_multicast_list,
-	.ndo_do_ioctl	   	= qeth_l3_do_ioctl,
-	.ndo_change_mtu	   	= qeth_change_mtu,
-	.ndo_fix_features   	= qeth_l3_fix_features,
-	.ndo_set_features   	= qeth_l3_set_features,
-	.ndo_vlan_rx_register	= qeth_l3_vlan_rx_register,
+	.ndo_set_rx_mode	= qeth_l3_set_multicast_list,
+	.ndo_do_ioctl		= qeth_l3_do_ioctl,
+	.ndo_change_mtu		= qeth_change_mtu,
+	.ndo_fix_features	= qeth_l3_fix_features,
+	.ndo_set_features	= qeth_l3_set_features,
 	.ndo_vlan_rx_add_vid	= qeth_l3_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid   = qeth_l3_vlan_rx_kill_vid,
-	.ndo_tx_timeout	   	= qeth_tx_timeout,
+	.ndo_tx_timeout		= qeth_tx_timeout,
 	.ndo_neigh_setup	= qeth_l3_neigh_setup,
 };
 
@@ -3298,6 +3346,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
 		card->dev->flags |= IFF_NOARP;
 		card->dev->netdev_ops = &qeth_l3_netdev_ops;
 		qeth_l3_iqd_read_initial_mac(card);
+		if (card->options.hsuid[0])
+			memcpy(card->dev->perm_addr, card->options.hsuid, 9);
 	} else
 		return -ENODEV;
 
@@ -3668,7 +3718,6 @@ static int qeth_l3_ip6_event(struct notifier_block *this,
 	struct qeth_ipaddr *addr;
 	struct qeth_card *card;
 
-
 	card = qeth_l3_get_card_from_dev(dev);
 	if (!card)
 		return NOTIFY_DONE;