qeth: IP address takeover flag setting

The qeth IP address flag setting is possible when device is
offline. When setting device online afterwards the current set
IP addresses have to be correctly registered with the device
regarding the IP address takeover attribute.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index d798927..e7e99e6 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -188,8 +188,7 @@
 		qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
 
 #define QETH_IDX_FUNC_LEVEL_OSD		 0x0101
-#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
-#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
+#define QETH_IDX_FUNC_LEVEL_IQD		 0x4108
 
 #define QETH_MODELLIST_ARRAY \
 	{{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index b701906..844935f 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1383,12 +1383,7 @@
 {
 	switch (card->info.type) {
 	case QETH_CARD_TYPE_IQD:
-		if (card->ipato.enabled)
-			card->info.func_level =
-				QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
-		else
-			card->info.func_level =
-				QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
+		card->info.func_level =	QETH_IDX_FUNC_LEVEL_IQD;
 		break;
 	case QETH_CARD_TYPE_OSD:
 	case QETH_CARD_TYPE_OSN:
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index 8447d23..e705b27 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -64,5 +64,6 @@
 			const u8 *);
 int qeth_l3_set_large_send(struct qeth_card *, enum qeth_large_send_types);
 int qeth_l3_set_rx_csum(struct qeth_card *, enum qeth_checksum_types);
+int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
 
 #endif /* __QETH_L3_H__ */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 61d348e..15b5ca8 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -195,7 +195,7 @@
 	}
 }
 
-static int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
+int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
 						struct qeth_ipaddr *addr)
 {
 	struct qeth_ipato_entry *ipatoe;
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index fb5318b..67cfa68d 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -479,6 +479,7 @@
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
+	struct qeth_ipaddr *tmpipa, *t;
 	char *tmp;
 	int rc = 0;
 
@@ -497,8 +498,21 @@
 		card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
 	} else if (!strcmp(tmp, "1")) {
 		card->ipato.enabled = 1;
+		list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
+			if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
+				qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
+				tmpipa->set_flags |=
+					QETH_IPA_SETIP_TAKEOVER_FLAG;
+		}
+
 	} else if (!strcmp(tmp, "0")) {
 		card->ipato.enabled = 0;
+		list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
+			if (tmpipa->set_flags &
+				QETH_IPA_SETIP_TAKEOVER_FLAG)
+				tmpipa->set_flags &=
+					~QETH_IPA_SETIP_TAKEOVER_FLAG;
+		}
 	} else
 		rc = -EINVAL;
 out: