Merge branch 'from-linus'

5 files changed, 81 insertions, 92 deletions

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 6229ba4..9cf88d7 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -98,9 +98,9 @@ lcs_register_debug_facility(void)
 		return -ENOMEM;
 	}
 	debug_register_view(lcs_dbf_setup, &debug_hex_ascii_view);
-	debug_set_level(lcs_dbf_setup, 4);
+	debug_set_level(lcs_dbf_setup, 2);
 	debug_register_view(lcs_dbf_trace, &debug_hex_ascii_view);
-	debug_set_level(lcs_dbf_trace, 4);
+	debug_set_level(lcs_dbf_trace, 2);
 	return 0;
 }
 
@@ -1292,9 +1292,8 @@ lcs_set_multicast_list(struct net_device *dev)
         LCS_DBF_TEXT(4, trace, "setmulti");
         card = (struct lcs_card *) dev->priv;
 
-        if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD)) {
+        if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD)) 
 		schedule_work(&card->kernel_thread_starter);
-	}
 }
 
 #endif /* CONFIG_IP_MULTICAST */
@@ -1459,6 +1458,8 @@ lcs_txbuffer_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	lcs_release_buffer(channel, buffer);
 	card = (struct lcs_card *)
 		((char *) channel - offsetof(struct lcs_card, write));
+	if (netif_queue_stopped(card->dev))
+		netif_wake_queue(card->dev);
 	spin_lock(&card->lock);
 	card->tx_emitted--;
 	if (card->tx_emitted <= 0 && card->tx_buffer != NULL)
@@ -1478,6 +1479,7 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
 		 struct net_device *dev)
 {
 	struct lcs_header *header;
+	int rc = 0;
 
 	LCS_DBF_TEXT(5, trace, "hardxmit");
 	if (skb == NULL) {
@@ -1492,10 +1494,8 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
 		card->stats.tx_carrier_errors++;
 		return 0;
 	}
-	if (netif_queue_stopped(dev) ) {
-		card->stats.tx_dropped++;
-		return -EBUSY;
-	}
+	netif_stop_queue(card->dev);
+	spin_lock(&card->lock);
 	if (card->tx_buffer != NULL &&
 	    card->tx_buffer->count + sizeof(struct lcs_header) +
 	    skb->len + sizeof(u16) > LCS_IOBUFFERSIZE)
@@ -1506,7 +1506,8 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
 		card->tx_buffer = lcs_get_buffer(&card->write);
 		if (card->tx_buffer == NULL) {
 			card->stats.tx_dropped++;
-			return -EBUSY;
+			rc = -EBUSY;
+			goto out;
 		}
 		card->tx_buffer->callback = lcs_txbuffer_cb;
 		card->tx_buffer->count = 0;
@@ -1518,13 +1519,18 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
 	header->type = card->lan_type;
 	header->slot = card->portno;
 	memcpy(header + 1, skb->data, skb->len);
+	spin_unlock(&card->lock);
 	card->stats.tx_bytes += skb->len;
 	card->stats.tx_packets++;
 	dev_kfree_skb(skb);
-	if (card->tx_emitted <= 0)
+	netif_wake_queue(card->dev);
+	spin_lock(&card->lock);
+	if (card->tx_emitted <= 0 && card->tx_buffer != NULL)
 		/* If this is the first tx buffer emit it immediately. */
 		__lcs_emit_txbuffer(card);
-	return 0;
+out:
+	spin_unlock(&card->lock);
+	return rc;
 }
 
 static int
@@ -1535,9 +1541,7 @@ lcs_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	LCS_DBF_TEXT(5, trace, "pktxmit");
 	card = (struct lcs_card *) dev->priv;
-	spin_lock(&card->lock);
 	rc = __lcs_start_xmit(card, skb, dev);
-	spin_unlock(&card->lock);
 	return rc;
 }
 
@@ -2319,7 +2323,6 @@ __init lcs_init_module(void)
 		PRINT_ERR("Initialization failed\n");
 		return rc;
 	}
-
 	return 0;
 }
 
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
index 08e60ad..2fad5e4 100644
--- a/drivers/s390/net/lcs.h
+++ b/drivers/s390/net/lcs.h
@@ -95,7 +95,7 @@ do {                                       \
  */
 #define LCS_ILLEGAL_OFFSET		0xffff
 #define LCS_IOBUFFERSIZE		0x5000
-#define LCS_NUM_BUFFS			8	/* needs to be power of 2 */
+#define LCS_NUM_BUFFS			32	/* needs to be power of 2 */
 #define LCS_MAC_LENGTH			6
 #define LCS_INVALID_PORT_NO		-1
 #define LCS_LANCMD_TIMEOUT_DEFAULT      5
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 9a064d4..4df0fcd 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -1076,16 +1076,6 @@ qeth_get_qdio_q_format(struct qeth_card *card)
 }
 
 static inline int
-qeth_isdigit(char * buf)
-{
-	while (*buf) {
-		if (!isdigit(*buf++))
-			return 0;
-	}
-	return 1;
-}
-
-static inline int
 qeth_isxdigit(char * buf)
 {
 	while (*buf) {
@@ -1104,33 +1094,17 @@ qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
 static inline int
 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
 {
-	const char *start, *end;
-	char abuf[4];
-	char *tmp;
-	int len;
-	int i;
-
-	start = buf;
-	for (i = 0; i < 4; i++) {
-		if (i == 3) {
-			end = strchr(start,0xa);
-			if (end)
-				len = end - start;
-			else		
-				len = strlen(start);
-		}
-		else {
-			end = strchr(start, '.');
-			len = end - start;
-		}
-		if ((len <= 0) || (len > 3))
-			return -EINVAL;
-		memset(abuf, 0, 4);
-		strncpy(abuf, start, len);
-		if (!qeth_isdigit(abuf))
+	int count = 0, rc = 0;
+	int in[4];
+
+	rc = sscanf(buf, "%d.%d.%d.%d%n", 
+		    &in[0], &in[1], &in[2], &in[3], &count);
+	if (rc != 4  || count) 
+		return -EINVAL;
+	for (count = 0; count < 4; count++) {
+		if (in[count] > 255)
 			return -EINVAL;
-		addr[i] = simple_strtoul(abuf, &tmp, 10);
-		start = end + 1;
+		addr[count] = in[count];
 	}
 	return 0;
 }
@@ -1149,36 +1123,44 @@ qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
 static inline int
 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
 {
-	const char *start, *end;
-	u16 *tmp_addr;
-	char abuf[5];
-	char *tmp;
-	int len;
-	int i;
-
-	tmp_addr = (u16 *)addr;
-	start = buf;
-	for (i = 0; i < 8; i++) {
-		if (i == 7) {
-			end = strchr(start,0xa);
-			if (end)
-				len = end - start;
-			else
-				len = strlen(start);
-		}
-		else {
-			end = strchr(start, ':');
-			len = end - start;
+	char *end, *start;
+	__u16 *in;
+        char num[5];
+        int num2, cnt, out, found, save_cnt;
+        unsigned short in_tmp[8] = {0, };
+
+	cnt = out = found = save_cnt = num2 = 0;
+        end = start = (char *) buf;
+	in = (__u16 *) addr;	
+	memset(in, 0, 16);
+        while (end) {
+                end = strchr(end,':');
+                if (end == NULL) {
+                        end = (char *)buf + (strlen(buf));
+                        out = 1;
+                }
+                if ((end - start)) { 
+                        memset(num, 0, 5);
+                        memcpy(num, start, end - start);
+			if (!qeth_isxdigit(num))
+				return -EINVAL;
+                        sscanf(start, "%x", &num2);
+                        if (found)
+                                in_tmp[save_cnt++] = num2;
+                        else
+                                in[cnt++] = num2;
+                        if (out)
+                                break;
+                } else {
+			if (found)
+				return -EINVAL;
+                        found = 1;
 		}
-		if ((len <= 0) || (len > 4))
-			return -EINVAL;
-		memset(abuf, 0, 5);
-		strncpy(abuf, start, len);
-		if (!qeth_isxdigit(abuf))
-			return -EINVAL;
-		tmp_addr[i] = simple_strtoul(abuf, &tmp, 16);
-		start = end + 1;
-	}
+		start = ++end;
+        }
+        cnt = 7;
+	while (save_cnt)
+                in[cnt--] = in_tmp[--save_cnt];
 	return 0;
 }
 
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index b023131..82cb4af 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -59,8 +59,7 @@ qeth_eddp_free_context(struct qeth_eddp_context *ctx)
 	for (i = 0; i < ctx->num_pages; ++i)
 		free_page((unsigned long)ctx->pages[i]);
 	kfree(ctx->pages);
-	if (ctx->elements != NULL)
-		kfree(ctx->elements);
+	kfree(ctx->elements);
 	kfree(ctx);
 }
 
@@ -413,6 +412,13 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
 	
 	QETH_DBF_TEXT(trace, 5, "eddpftcp");
 	eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl;
+       if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
+               eddp->skb_offset += sizeof(struct ethhdr);
+#ifdef CONFIG_QETH_VLAN
+               if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q))
+                       eddp->skb_offset += VLAN_HLEN;
+#endif /* CONFIG_QETH_VLAN */
+       }
 	tcph = eddp->skb->h.th;
 	while (eddp->skb_offset < eddp->skb->len) {
 		data_len = min((int)skb_shinfo(eddp->skb)->tso_size,
@@ -483,6 +489,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
 		return -ENOMEM;
 	}
 	if (qhdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
+		skb->mac.raw = (skb->data) + sizeof(struct qeth_hdr);
 		memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN);
 #ifdef CONFIG_QETH_VLAN
 		if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) {
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 410abea..dba7f7f 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -516,7 +516,8 @@ __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
 	QETH_DBF_TEXT(setup, 3, "setoffl");
 	QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
 	
-	netif_carrier_off(card->dev);
+	if (card->dev && netif_carrier_ok(card->dev))
+		netif_carrier_off(card->dev);
 	recover_flag = card->state;
 	if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
 		PRINT_WARN("Stopping card %s interrupted by user!\n",
@@ -1679,6 +1680,7 @@ qeth_cmd_timeout(unsigned long data)
 	spin_unlock_irqrestore(&reply->card->lock, flags);
 }
 
+
 static struct qeth_ipa_cmd *
 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
 {
@@ -1699,7 +1701,8 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
 					   QETH_CARD_IFNAME(card),
 					   card->info.chpid);
 				card->lan_online = 0;
-				netif_carrier_off(card->dev);
+				if (card->dev && netif_carrier_ok(card->dev))
+					netif_carrier_off(card->dev);
 				return NULL;
 			case IPA_CMD_STARTLAN:
 				PRINT_INFO("Link reestablished on %s "
@@ -5562,7 +5565,7 @@ qeth_set_multicast_list(struct net_device *dev)
 	if (card->info.type == QETH_CARD_TYPE_OSN)
 		return ;
 	 
-	QETH_DBF_TEXT(trace,3,"setmulti");
+	QETH_DBF_TEXT(trace, 3, "setmulti");
 	qeth_delete_mc_addresses(card);
 	if (card->options.layer2) {
 		qeth_layer2_add_multicast(card);
@@ -5579,7 +5582,6 @@ out:
 		return;
 	if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
 		schedule_work(&card->kernel_thread_starter);
-
 }
 
 static int
@@ -7452,6 +7454,7 @@ qeth_softsetup_card(struct qeth_card *card)
 		card->lan_online = 1;
 	if (card->info.type==QETH_CARD_TYPE_OSN)
 		goto out;
+	qeth_set_large_send(card, card->options.large_send);
 	if (card->options.layer2) {
 		card->dev->features |=
 			NETIF_F_HW_VLAN_FILTER |
@@ -7468,12 +7471,6 @@ qeth_softsetup_card(struct qeth_card *card)
 #endif
 		goto out;
 	}
-	if ((card->options.large_send == QETH_LARGE_SEND_EDDP) ||
-	    (card->options.large_send == QETH_LARGE_SEND_TSO))
-		card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
-	else
-		card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
-
 	if ((rc = qeth_setadapter_parms(card)))
 		QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
 	if ((rc = qeth_start_ipassists(card)))