2 files changed, 35 insertions, 5 deletions

diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 7a7a1b66478..2ac8f6aff5a 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -831,12 +831,14 @@ tx_drop:
         return NETDEV_TX_OK;
 }
 
-static int qeth_l2_open(struct net_device *dev)
+static int __qeth_l2_open(struct net_device *dev)
 {
         struct qeth_card *card = dev->ml_priv;
         int rc = 0;
 
         QETH_CARD_TEXT(card, 4, "qethopen");
+        if (card->state == CARD_STATE_UP)
+                return rc;
         if (card->state != CARD_STATE_SOFTSETUP)
                 return -ENODEV;
 
@@ -857,6 +859,18 @@ static int qeth_l2_open(struct net_device *dev)
         return rc;
 }
 
+static int qeth_l2_open(struct net_device *dev)
+{
+        struct qeth_card *card = dev->ml_priv;
+
+        QETH_CARD_TEXT(card, 5, "qethope_");
+        if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+                QETH_CARD_TEXT(card, 3, "openREC");
+                return -ERESTARTSYS;
+        }
+        return __qeth_l2_open(dev);
+}
+
 static int qeth_l2_stop(struct net_device *dev)
 {
         struct qeth_card *card = dev->ml_priv;
@@ -1046,7 +1060,7 @@ contin:
         if (recover_flag == CARD_STATE_RECOVER) {
                 if (recovery_mode &&
                     card->info.type != QETH_CARD_TYPE_OSN) {
-                        qeth_l2_open(card->dev);
+                        __qeth_l2_open(card->dev);
                 } else {
                         rtnl_lock();
                         dev_open(card->dev);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e227e465bfc..d09b0c44fc3 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2998,7 +2998,9 @@ static inline void qeth_l3_hdr_csum(struct qeth_card *card,
          */
         if (iph->protocol == IPPROTO_UDP)
                 hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP;
-        hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
+        hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ |
+                QETH_HDR_EXT_CSUM_HDR_REQ;
+        iph->check = 0;
         if (card->options.performance_stats)
                 card->perf_stats.tx_csum++;
 }
@@ -3240,12 +3242,14 @@ tx_drop:
         return NETDEV_TX_OK;
 }
 
-static int qeth_l3_open(struct net_device *dev)
+static int __qeth_l3_open(struct net_device *dev)
 {
         struct qeth_card *card = dev->ml_priv;
         int rc = 0;
 
         QETH_CARD_TEXT(card, 4, "qethopen");
+        if (card->state == CARD_STATE_UP)
+                return rc;
         if (card->state != CARD_STATE_SOFTSETUP)
                 return -ENODEV;
         card->data.state = CH_STATE_UP;
@@ -3260,6 +3264,18 @@ static int qeth_l3_open(struct net_device *dev)
         return rc;
 }
 
+static int qeth_l3_open(struct net_device *dev)
+{
+        struct qeth_card *card = dev->ml_priv;
+
+        QETH_CARD_TEXT(card, 5, "qethope_");
+        if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+                QETH_CARD_TEXT(card, 3, "openREC");
+                return -ERESTARTSYS;
+        }
+        return __qeth_l3_open(dev);
+}
+
 static int qeth_l3_stop(struct net_device *dev)
 {
         struct qeth_card *card = dev->ml_priv;
@@ -3564,7 +3580,7 @@ contin:
                 netif_carrier_off(card->dev);
         if (recover_flag == CARD_STATE_RECOVER) {
                 if (recovery_mode)
-                        qeth_l3_open(card->dev);
+                        __qeth_l3_open(card->dev);
                 else {
                         rtnl_lock();
                         dev_open(card->dev);