1 files changed, 72 insertions, 22 deletions

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index fafb8c299540..e4c1176ee25b 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -29,6 +29,7 @@
 #include <net/ip.h>
 #include <net/arp.h>
 #include <net/ip6_checksum.h>
+#include <net/iucv/af_iucv.h>
 
 #include "qeth_l3.h"
 
@@ -267,7 +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;
@@ -286,7 +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;
@@ -305,7 +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;
@@ -421,7 +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;
@@ -438,7 +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;
@@ -1414,7 +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;
 
@@ -1993,12 +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;
@@ -2007,12 +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_hwaccel_put_tag(skb, vlan_tag);
-			napi_gro_receive(&card->napi, skb);
+				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;
@@ -2784,6 +2800,30 @@ 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)
 {
@@ -2936,8 +2976,11 @@ 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) {
@@ -2959,7 +3002,10 @@ 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;
@@ -2993,7 +3039,6 @@ 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;
 		}
 	}
 
@@ -3025,9 +3070,13 @@ 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)
@@ -3226,7 +3275,7 @@ 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_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,
@@ -3242,7 +3291,7 @@ 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_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,
@@ -3290,6 +3339,8 @@ 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;
 
@@ -3660,7 +3711,6 @@ 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;