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-rw-r--r--drivers/s390/cio/vfio_ccw_ops.c12
-rw-r--r--drivers/s390/crypto/ap_bus.c38
-rw-r--r--drivers/s390/crypto/ap_card.c9
-rw-r--r--drivers/s390/crypto/ap_queue.c9
-rw-r--r--drivers/s390/net/ctcm_fsms.c7
-rw-r--r--drivers/s390/net/ctcm_main.c10
-rw-r--r--drivers/s390/net/ctcm_mpc.c46
-rw-r--r--drivers/s390/net/lcs.c2
-rw-r--r--drivers/s390/net/netiucv.c14
-rw-r--r--drivers/s390/net/qeth_core.h1
-rw-r--r--drivers/s390/net/qeth_core_main.c88
-rw-r--r--drivers/s390/net/qeth_core_mpc.c14
-rw-r--r--drivers/s390/net/qeth_core_mpc.h18
-rw-r--r--drivers/s390/net/qeth_l2_main.c53
-rw-r--r--drivers/s390/net/qeth_l3_main.c6
15 files changed, 222 insertions, 105 deletions
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
index e72abbc18ee3..a66a317f3e4f 100644
--- a/drivers/s390/cio/vfio_ccw_ops.c
+++ b/drivers/s390/cio/vfio_ccw_ops.c
@@ -70,14 +70,14 @@ static ssize_t name_show(struct kobject *kobj, struct device *dev, char *buf)
{
return sprintf(buf, "I/O subchannel (Non-QDIO)\n");
}
-MDEV_TYPE_ATTR_RO(name);
+static MDEV_TYPE_ATTR_RO(name);
static ssize_t device_api_show(struct kobject *kobj, struct device *dev,
char *buf)
{
return sprintf(buf, "%s\n", VFIO_DEVICE_API_CCW_STRING);
}
-MDEV_TYPE_ATTR_RO(device_api);
+static MDEV_TYPE_ATTR_RO(device_api);
static ssize_t available_instances_show(struct kobject *kobj,
struct device *dev, char *buf)
@@ -86,7 +86,7 @@ static ssize_t available_instances_show(struct kobject *kobj,
return sprintf(buf, "%d\n", atomic_read(&private->avail));
}
-MDEV_TYPE_ATTR_RO(available_instances);
+static MDEV_TYPE_ATTR_RO(available_instances);
static struct attribute *mdev_types_attrs[] = {
&mdev_type_attr_name.attr,
@@ -100,7 +100,7 @@ static struct attribute_group mdev_type_group = {
.attrs = mdev_types_attrs,
};
-struct attribute_group *mdev_type_groups[] = {
+static struct attribute_group *mdev_type_groups[] = {
&mdev_type_group,
NULL,
};
@@ -152,7 +152,7 @@ static int vfio_ccw_mdev_open(struct mdev_device *mdev)
&events, &private->nb);
}
-void vfio_ccw_mdev_release(struct mdev_device *mdev)
+static void vfio_ccw_mdev_release(struct mdev_device *mdev)
{
struct vfio_ccw_private *private =
dev_get_drvdata(mdev_parent_dev(mdev));
@@ -233,7 +233,7 @@ static int vfio_ccw_mdev_get_region_info(struct vfio_region_info *info,
}
}
-int vfio_ccw_mdev_get_irq_info(struct vfio_irq_info *info)
+static int vfio_ccw_mdev_get_irq_info(struct vfio_irq_info *info)
{
if (info->index != VFIO_CCW_IO_IRQ_INDEX)
return -EINVAL;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 9be4596d8a08..ea099910b4e9 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -668,10 +668,28 @@ static int ap_device_probe(struct device *dev)
struct ap_driver *ap_drv = to_ap_drv(dev->driver);
int rc;
+ /* Add queue/card to list of active queues/cards */
+ spin_lock_bh(&ap_list_lock);
+ if (is_card_dev(dev))
+ list_add(&to_ap_card(dev)->list, &ap_card_list);
+ else
+ list_add(&to_ap_queue(dev)->list,
+ &to_ap_queue(dev)->card->queues);
+ spin_unlock_bh(&ap_list_lock);
+
ap_dev->drv = ap_drv;
rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
- if (rc)
+
+ if (rc) {
+ spin_lock_bh(&ap_list_lock);
+ if (is_card_dev(dev))
+ list_del_init(&to_ap_card(dev)->list);
+ else
+ list_del_init(&to_ap_queue(dev)->list);
+ spin_unlock_bh(&ap_list_lock);
ap_dev->drv = NULL;
+ }
+
return rc;
}
@@ -680,14 +698,17 @@ static int ap_device_remove(struct device *dev)
struct ap_device *ap_dev = to_ap_dev(dev);
struct ap_driver *ap_drv = ap_dev->drv;
+ if (ap_drv->remove)
+ ap_drv->remove(ap_dev);
+
+ /* Remove queue/card from list of active queues/cards */
spin_lock_bh(&ap_list_lock);
if (is_card_dev(dev))
list_del_init(&to_ap_card(dev)->list);
else
list_del_init(&to_ap_queue(dev)->list);
spin_unlock_bh(&ap_list_lock);
- if (ap_drv->remove)
- ap_drv->remove(ap_dev);
+
return 0;
}
@@ -1056,10 +1077,6 @@ static void ap_scan_bus(struct work_struct *unused)
}
/* get it and thus adjust reference counter */
get_device(&ac->ap_dev.device);
- /* Add card device to card list */
- spin_lock_bh(&ap_list_lock);
- list_add(&ac->list, &ap_card_list);
- spin_unlock_bh(&ap_list_lock);
}
/* now create the new queue device */
aq = ap_queue_create(qid, type);
@@ -1070,10 +1087,6 @@ static void ap_scan_bus(struct work_struct *unused)
aq->ap_dev.device.parent = &ac->ap_dev.device;
dev_set_name(&aq->ap_dev.device,
"%02x.%04x", id, dom);
- /* Add queue device to card queue list */
- spin_lock_bh(&ap_list_lock);
- list_add(&aq->list, &ac->queues);
- spin_unlock_bh(&ap_list_lock);
/* Start with a device reset */
spin_lock_bh(&aq->lock);
ap_wait(ap_sm_event(aq, AP_EVENT_POLL));
@@ -1081,9 +1094,6 @@ static void ap_scan_bus(struct work_struct *unused)
/* Register device */
rc = device_register(&aq->ap_dev.device);
if (rc) {
- spin_lock_bh(&ap_list_lock);
- list_del_init(&aq->list);
- spin_unlock_bh(&ap_list_lock);
put_device(&aq->ap_dev.device);
continue;
}
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index cfa161ccc74e..836efac96813 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -160,7 +160,14 @@ static struct device_type ap_card_type = {
static void ap_card_device_release(struct device *dev)
{
- kfree(to_ap_card(dev));
+ struct ap_card *ac = to_ap_card(dev);
+
+ if (!list_empty(&ac->list)) {
+ spin_lock_bh(&ap_list_lock);
+ list_del_init(&ac->list);
+ spin_unlock_bh(&ap_list_lock);
+ }
+ kfree(ac);
}
struct ap_card *ap_card_create(int id, int queue_depth, int device_type,
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 480c58a63769..0f1a5d02acb0 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -584,7 +584,14 @@ static struct device_type ap_queue_type = {
static void ap_queue_device_release(struct device *dev)
{
- kfree(to_ap_queue(dev));
+ struct ap_queue *aq = to_ap_queue(dev);
+
+ if (!list_empty(&aq->list)) {
+ spin_lock_bh(&ap_list_lock);
+ list_del_init(&aq->list);
+ spin_unlock_bh(&ap_list_lock);
+ }
+ kfree(aq);
}
struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type)
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 730d9619400e..e9847ce3860d 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -1279,7 +1279,7 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg)
__func__, data_space);
while ((skb = skb_dequeue(&ch->collect_queue))) {
- memcpy(skb_put(ch->trans_skb, skb->len), skb->data, skb->len);
+ skb_put_data(ch->trans_skb, skb->data, skb->len);
p_header = (struct pdu *)
(skb_tail_pointer(ch->trans_skb) - skb->len);
p_header->pdu_flag = 0x00;
@@ -1431,13 +1431,12 @@ static void ctcmpc_chx_rx(fsm_instance *fi, int event, void *arg)
break;
case MPCG_STATE_FLOWC:
case MPCG_STATE_READY:
- memcpy(skb_put(new_skb, block_len),
- skb->data, block_len);
+ skb_put_data(new_skb, skb->data, block_len);
skb_queue_tail(&ch->io_queue, new_skb);
tasklet_schedule(&ch->ch_tasklet);
break;
default:
- memcpy(skb_put(new_skb, len), skb->data, len);
+ skb_put_data(new_skb, skb->data, len);
skb_queue_tail(&ch->io_queue, new_skb);
tasklet_hi_schedule(&ch->ch_tasklet);
break;
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 198842ce6876..99121352c57b 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -522,7 +522,7 @@ static int ctcm_transmit_skb(struct channel *ch, struct sk_buff *skb)
ctcm_clear_busy(ch->netdev);
return -ENOMEM;
} else {
- memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
atomic_inc(&nskb->users);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
@@ -638,7 +638,7 @@ static void ctcmpc_send_sweep_req(struct channel *rch)
header->th.th_seq_num = 0x00;
header->sw.th_last_seq = ch->th_seq_num;
- memcpy(skb_put(sweep_skb, TH_SWEEP_LENGTH), header, TH_SWEEP_LENGTH);
+ skb_put_data(sweep_skb, header, TH_SWEEP_LENGTH);
kfree(header);
@@ -728,7 +728,7 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
if (!nskb) {
goto nomem_exit;
} else {
- memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
atomic_inc(&nskb->users);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
@@ -809,7 +809,7 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
skb_reset_tail_pointer(ch->trans_skb);
ch->trans_skb->len = 0;
ch->ccw[1].count = skb->len;
- memcpy(skb_put(ch->trans_skb, skb->len), skb->data, skb->len);
+ skb_put_data(ch->trans_skb, skb->data, skb->len);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
ccw_idx = 0;
@@ -960,7 +960,7 @@ static int ctcmpc_tx(struct sk_buff *skb, struct net_device *dev)
}
newskb->protocol = skb->protocol;
skb_reserve(newskb, TH_HEADER_LENGTH + PDU_HEADER_LENGTH);
- memcpy(skb_put(newskb, skb->len), skb->data, skb->len);
+ skb_put_data(newskb, skb->data, skb->len);
dev_kfree_skb_any(skb);
skb = newskb;
}
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index c103fc7efe9f..f8be39634f03 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -667,7 +667,7 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
header->th.th_seq_num = 0x00;
header->sw.th_last_seq = ch->th_seq_num;
- memcpy(skb_put(sweep_skb, TH_SWEEP_LENGTH), header, TH_SWEEP_LENGTH);
+ skb_put_data(sweep_skb, header, TH_SWEEP_LENGTH);
kfree(header);
@@ -974,9 +974,8 @@ void mpc_channel_action(struct channel *ch, int direction, int action)
skb_reset_tail_pointer(ch->xid_skb);
ch->xid_skb->len = 0;
- memcpy(skb_put(ch->xid_skb, grp->xid_skb->len),
- grp->xid_skb->data,
- grp->xid_skb->len);
+ skb_put_data(ch->xid_skb, grp->xid_skb->data,
+ grp->xid_skb->len);
ch->xid->xid2_dlc_type =
((CHANNEL_DIRECTION(ch->flags) == CTCM_READ)
@@ -1149,7 +1148,7 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);
goto done;
}
- memcpy(skb_put(skb, new_len), pskb->data, new_len);
+ skb_put_data(skb, pskb->data, new_len);
skb_reset_mac_header(skb);
skb->dev = pskb->dev;
@@ -1297,16 +1296,15 @@ struct mpc_group *ctcmpc_init_mpc_group(struct ctcm_priv *priv)
/* base xid for all channels in group */
grp->xid_skb_data = grp->xid_skb->data;
grp->xid_th = (struct th_header *)grp->xid_skb->data;
- memcpy(skb_put(grp->xid_skb, TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(grp->xid_skb, &thnorm, TH_HEADER_LENGTH);
grp->xid = (struct xid2 *)skb_tail_pointer(grp->xid_skb);
- memcpy(skb_put(grp->xid_skb, XID2_LENGTH), &init_xid, XID2_LENGTH);
+ skb_put_data(grp->xid_skb, &init_xid, XID2_LENGTH);
grp->xid->xid2_adj_id = jiffies | 0xfff00000;
grp->xid->xid2_sender_id = jiffies;
grp->xid_id = skb_tail_pointer(grp->xid_skb);
- memcpy(skb_put(grp->xid_skb, 4), "VTAM", 4);
+ skb_put_data(grp->xid_skb, "VTAM", 4);
grp->rcvd_xid_skb =
__dev_alloc_skb(MPC_BUFSIZE_DEFAULT, GFP_ATOMIC|GFP_DMA);
@@ -1318,8 +1316,7 @@ struct mpc_group *ctcmpc_init_mpc_group(struct ctcm_priv *priv)
}
grp->rcvd_xid_data = grp->rcvd_xid_skb->data;
grp->rcvd_xid_th = (struct th_header *)grp->rcvd_xid_skb->data;
- memcpy(skb_put(grp->rcvd_xid_skb, TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, &thnorm, TH_HEADER_LENGTH);
grp->saved_xid2 = NULL;
priv->xid = grp->xid;
priv->mpcg = grp;
@@ -1410,8 +1407,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
skb_reset_tail_pointer(grp->rcvd_xid_skb);
grp->rcvd_xid_skb->len = 0;
grp->rcvd_xid_th = (struct th_header *)grp->rcvd_xid_skb->data;
- memcpy(skb_put(grp->rcvd_xid_skb, TH_HEADER_LENGTH), &thnorm,
- TH_HEADER_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, &thnorm, TH_HEADER_LENGTH);
if (grp->send_qllc_disc == 1) {
grp->send_qllc_disc = 0;
@@ -1590,8 +1586,7 @@ static int mpc_validate_xid(struct mpcg_info *mpcginfo)
grp->saved_xid2 =
(struct xid2 *)skb_tail_pointer(grp->rcvd_xid_skb);
- memcpy(skb_put(grp->rcvd_xid_skb,
- XID2_LENGTH), xid, XID2_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, xid, XID2_LENGTH);
grp->rcvd_xid_skb->data = grp->rcvd_xid_data;
skb_reset_tail_pointer(grp->rcvd_xid_skb);
@@ -1908,17 +1903,15 @@ static void mpc_action_doxid7(fsm_instance *fsm, int event, void *arg)
if (fsm_getstate(ch->fsm) == CH_XID7_PENDING1) {
fsm_newstate(ch->fsm, CH_XID7_PENDING2);
ch->ccw[8].cmd_code = CCW_CMD_SENSE_CMD;
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thdummy, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thdummy,
+ TH_HEADER_LENGTH);
send = 1;
}
} else if (fsm_getstate(ch->fsm) < CH_XID7_PENDING2) {
fsm_newstate(ch->fsm, CH_XID7_PENDING2);
ch->ccw[8].cmd_code = CCW_CMD_WRITE_CTL;
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thnorm,
+ TH_HEADER_LENGTH);
send = 1;
}
} else {
@@ -1926,17 +1919,16 @@ static void mpc_action_doxid7(fsm_instance *fsm, int event, void *arg)
if (grp->roll == YSIDE) {
if (fsm_getstate(ch->fsm) < CH_XID7_PENDING4) {
fsm_newstate(ch->fsm, CH_XID7_PENDING4);
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thnorm,
+ TH_HEADER_LENGTH);
ch->ccw[8].cmd_code = CCW_CMD_WRITE_CTL;
send = 1;
}
} else if (fsm_getstate(ch->fsm) == CH_XID7_PENDING3) {
fsm_newstate(ch->fsm, CH_XID7_PENDING4);
ch->ccw[8].cmd_code = CCW_CMD_SENSE_CMD;
- memcpy(skb_put(ch->xid_skb, TH_HEADER_LENGTH),
- &thdummy, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thdummy,
+ TH_HEADER_LENGTH);
send = 1;
}
}
@@ -2122,7 +2114,7 @@ static int mpc_send_qllc_discontact(struct net_device *dev)
return -ENOMEM;
}
- memcpy(skb_put(skb, new_len), qllcptr, new_len);
+ skb_put_data(skb, qllcptr, new_len);
kfree(qllcptr);
if (skb_headroom(skb) < 4) {
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 211b31d9f157..337bacb43d68 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1796,7 +1796,7 @@ lcs_get_skb(struct lcs_card *card, char *skb_data, unsigned int skb_len)
card->stats.rx_dropped++;
return;
}
- memcpy(skb_put(skb, skb_len), skb_data, skb_len);
+ skb_put_data(skb, skb_data, skb_len);
skb->protocol = card->lan_type_trans(skb, card->dev);
card->stats.rx_bytes += skb_len;
card->stats.rx_packets++;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index dba94b486f05..7db427c0a6a4 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -759,8 +759,7 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
spin_lock_irqsave(&conn->collect_lock, saveflags);
while ((skb = skb_dequeue(&conn->collect_queue))) {
header.next = conn->tx_buff->len + skb->len + NETIUCV_HDRLEN;
- memcpy(skb_put(conn->tx_buff, NETIUCV_HDRLEN), &header,
- NETIUCV_HDRLEN);
+ skb_put_data(conn->tx_buff, &header, NETIUCV_HDRLEN);
skb_copy_from_linear_data(skb,
skb_put(conn->tx_buff, skb->len),
skb->len);
@@ -780,7 +779,7 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
}
header.next = 0;
- memcpy(skb_put(conn->tx_buff, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
+ skb_put_data(conn->tx_buff, &header, NETIUCV_HDRLEN);
conn->prof.send_stamp = jiffies;
txmsg.class = 0;
txmsg.tag = 0;
@@ -1201,8 +1200,7 @@ static int netiucv_transmit_skb(struct iucv_connection *conn,
return rc;
} else {
skb_reserve(nskb, NETIUCV_HDRLEN);
- memcpy(skb_put(nskb, skb->len),
- skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
}
copied = 1;
}
@@ -1212,7 +1210,7 @@ static int netiucv_transmit_skb(struct iucv_connection *conn,
header.next = nskb->len + NETIUCV_HDRLEN;
memcpy(skb_push(nskb, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
header.next = 0;
- memcpy(skb_put(nskb, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
+ skb_put_data(nskb, &header, NETIUCV_HDRLEN);
fsm_newstate(conn->fsm, CONN_STATE_TX);
conn->prof.send_stamp = jiffies;
@@ -1954,7 +1952,6 @@ static void netiucv_free_netdevice(struct net_device *dev)
privptr->conn = NULL; privptr->fsm = NULL;
/* privptr gets freed by free_netdev() */
}
- free_netdev(dev);
}
/**
@@ -1972,7 +1969,8 @@ static void netiucv_setup_netdevice(struct net_device *dev)
dev->mtu = NETIUCV_MTU_DEFAULT;
dev->min_mtu = 576;
dev->max_mtu = NETIUCV_MTU_MAX;
- dev->destructor = netiucv_free_netdevice;
+ dev->needs_free_netdev = true;
+ dev->priv_destructor = netiucv_free_netdevice;
dev->hard_header_len = NETIUCV_HDRLEN;
dev->addr_len = 0;
dev->type = ARPHRD_SLIP;
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 0efc54a4d82f..7a0ffc71b25d 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -986,6 +986,7 @@ struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
int qeth_set_features(struct net_device *, netdev_features_t);
int qeth_recover_features(struct net_device *);
netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
+int qeth_vm_request_mac(struct qeth_card *card);
/* exports for OSN */
int qeth_osn_assist(struct net_device *, void *, int);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 1fb92e870040..3b657d5b7e49 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -27,6 +27,9 @@
#include <asm/io.h>
#include <asm/sysinfo.h>
#include <asm/compat.h>
+#include <asm/diag.h>
+#include <asm/cio.h>
+#include <asm/ccwdev.h>
#include "qeth_core.h"
@@ -4103,7 +4106,8 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
flush_count);
atomic_set(&queue->state,
QETH_OUT_Q_UNLOCKED);
- return -EBUSY;
+ rc = -EBUSY;
+ goto out;
}
}
}
@@ -4122,19 +4126,21 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
* In that case we will enter this loop
*/
while (atomic_dec_return(&queue->state)) {
- flush_count = 0;
start_index = queue->next_buf_to_fill;
/* check if we can go back to non-packing state */
- flush_count += qeth_switch_to_nonpacking_if_needed(queue);
+ tmp = qeth_switch_to_nonpacking_if_needed(queue);
/*
* check if we need to flush a packing buffer to get a pci
* flag out on the queue
*/
- if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
- flush_count += qeth_prep_flush_pack_buffer(queue);
- if (flush_count)
- qeth_flush_buffers(queue, start_index, flush_count);
+ if (!tmp && !atomic_read(&queue->set_pci_flags_count))
+ tmp = qeth_prep_flush_pack_buffer(queue);
+ if (tmp) {
+ qeth_flush_buffers(queue, start_index, tmp);
+ flush_count += tmp;
+ }
}
+out:
/* at this point the queue is UNLOCKED again */
if (queue->card->options.performance_stats && do_pack)
queue->card->perf_stats.bufs_sent_pack += flush_count;
@@ -4770,6 +4776,64 @@ static int qeth_query_card_info(struct qeth_card *card,
(void *)carrier_info);
}
+/**
+ * qeth_vm_request_mac() - Request a hypervisor-managed MAC address
+ * @card: pointer to a qeth_card
+ *
+ * Returns
+ * 0, if a MAC address has been set for the card's netdevice
+ * a return code, for various error conditions
+ */
+int qeth_vm_request_mac(struct qeth_card *card)
+{
+ struct diag26c_mac_resp *response;
+ struct diag26c_mac_req *request;
+ struct ccw_dev_id id;
+ int rc;
+
+ QETH_DBF_TEXT(SETUP, 2, "vmreqmac");
+
+ if (!card->dev)
+ return -ENODEV;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL | GFP_DMA);
+ response = kzalloc(sizeof(*response), GFP_KERNEL | GFP_DMA);
+ if (!request || !response) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ ccw_device_get_id(CARD_DDEV(card), &id);
+ request->resp_buf_len = sizeof(*response);
+ request->resp_version = DIAG26C_VERSION2;
+ request->op_code = DIAG26C_GET_MAC;
+ request->devno = id.devno;
+
+ rc = diag26c(request, response, DIAG26C_MAC_SERVICES);
+ if (rc)
+ goto out;
+
+ if (request->resp_buf_len < sizeof(*response) ||
+ response->version != request->resp_version) {
+ rc = -EIO;
+ QETH_DBF_TEXT(SETUP, 2, "badresp");
+ QETH_DBF_HEX(SETUP, 2, &request->resp_buf_len,
+ sizeof(request->resp_buf_len));
+ } else if (!is_valid_ether_addr(response->mac)) {
+ rc = -EINVAL;
+ QETH_DBF_TEXT(SETUP, 2, "badmac");
+ QETH_DBF_HEX(SETUP, 2, response->mac, ETH_ALEN);
+ } else {
+ ether_addr_copy(card->dev->dev_addr, response->mac);
+ }
+
+out:
+ kfree(response);
+ kfree(request);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(qeth_vm_request_mac);
+
static inline int qeth_get_qdio_q_format(struct qeth_card *card)
{
if (card->info.type == QETH_CARD_TYPE_IQD)
@@ -5147,12 +5211,11 @@ static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer,
skb_reserve(*pskb, ETH_HLEN);
if (data_len <= QETH_RX_PULL_LEN) {
- memcpy(skb_put(*pskb, data_len), element->addr + offset,
- data_len);
+ skb_put_data(*pskb, element->addr + offset, data_len);
} else {
get_page(page);
- memcpy(skb_put(*pskb, QETH_RX_PULL_LEN),
- element->addr + offset, QETH_RX_PULL_LEN);
+ skb_put_data(*pskb, element->addr + offset,
+ QETH_RX_PULL_LEN);
skb_fill_page_desc(*pskb, *pfrag, page,
offset + QETH_RX_PULL_LEN,
data_len - QETH_RX_PULL_LEN);
@@ -5248,8 +5311,7 @@ struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
&skb, offset, &frag, data_len))
goto no_mem;
} else {
- memcpy(skb_put(skb, data_len), data_ptr,
- data_len);
+ skb_put_data(skb, data_ptr, data_len);
}
}
skb_len -= data_len;
diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index ab9b1376467f..6dd7d05e5693 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -170,12 +170,18 @@ static struct ipa_rc_msg qeth_ipa_rc_msg[] = {
{IPA_RC_TRACE_ALREADY_ACTIVE, "trace already active"},
{IPA_RC_INVALID_FORMAT, "invalid format or length"},
{IPA_RC_DUP_IPV6_REMOTE, "ipv6 address already registered remote"},
+ {IPA_RC_SBP_IQD_NOT_CONFIGURED, "Not configured for bridgeport"},
{IPA_RC_DUP_IPV6_HOME, "ipv6 address already registered"},
{IPA_RC_UNREGISTERED_ADDR, "Address not registered"},
{IPA_RC_NO_ID_AVAILABLE, "No identifiers available"},
{IPA_RC_ID_NOT_FOUND, "Identifier not found"},
+ {IPA_RC_SBP_IQD_ANO_DEV_PRIMARY, "Primary bridgeport exists already"},
+ {IPA_RC_SBP_IQD_CURRENT_SECOND, "Bridgeport is currently secondary"},
+ {IPA_RC_SBP_IQD_LIMIT_SECOND, "Limit of secondary bridgeports reached"},
{IPA_RC_INVALID_IP_VERSION, "IP version incorrect"},
+ {IPA_RC_SBP_IQD_CURRENT_PRIMARY, "Bridgeport is currently primary"},
{IPA_RC_LAN_FRAME_MISMATCH, "LAN and frame mismatch"},
+ {IPA_RC_SBP_IQD_NO_QDIO_QUEUES, "QDIO queues not established"},
{IPA_RC_L2_UNSUPPORTED_CMD, "Unsupported layer 2 command"},
{IPA_RC_L2_DUP_MAC, "Duplicate MAC address"},
{IPA_RC_L2_ADDR_TABLE_FULL, "Layer2 address table full"},
@@ -187,6 +193,14 @@ static struct ipa_rc_msg qeth_ipa_rc_msg[] = {
{IPA_RC_L2_INVALID_VLAN_ID, "L2 invalid vlan id"},
{IPA_RC_L2_DUP_VLAN_ID, "L2 duplicate vlan id"},
{IPA_RC_L2_VLAN_ID_NOT_FOUND, "L2 vlan id not found"},
+ {IPA_RC_SBP_OSA_NOT_CONFIGURED, "Not configured for bridgeport"},
+ {IPA_RC_SBP_OSA_OS_MISMATCH, "OS mismatch"},
+ {IPA_RC_SBP_OSA_ANO_DEV_PRIMARY, "Primary bridgeport exists already"},
+ {IPA_RC_SBP_OSA_CURRENT_SECOND, "Bridgeport is currently secondary"},
+ {IPA_RC_SBP_OSA_LIMIT_SECOND, "Limit of secondary bridgeports reached"},
+ {IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN, "Not authorized by zManager"},
+ {IPA_RC_SBP_OSA_CURRENT_PRIMARY, "Bridgeport is currently primary"},
+ {IPA_RC_SBP_OSA_NO_QDIO_QUEUES, "QDIO queues not established"},
{IPA_RC_DATA_MISMATCH, "Data field mismatch (v4/v6 mixed)"},
{IPA_RC_INVALID_MTU_SIZE, "Invalid MTU size"},
{IPA_RC_INVALID_LANTYPE, "Invalid LAN type"},
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 45bbea2843bf..912e0107de8f 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -142,12 +142,18 @@ enum qeth_ipa_return_codes {
IPA_RC_TRACE_ALREADY_ACTIVE = 0x0005,
IPA_RC_INVALID_FORMAT = 0x0006,
IPA_RC_DUP_IPV6_REMOTE = 0x0008,
+ IPA_RC_SBP_IQD_NOT_CONFIGURED = 0x000C,
IPA_RC_DUP_IPV6_HOME = 0x0010,
IPA_RC_UNREGISTERED_ADDR = 0x0011,
IPA_RC_NO_ID_AVAILABLE = 0x0012,
IPA_RC_ID_NOT_FOUND = 0x0013,
+ IPA_RC_SBP_IQD_ANO_DEV_PRIMARY = 0x0014,
+ IPA_RC_SBP_IQD_CURRENT_SECOND = 0x0018,
+ IPA_RC_SBP_IQD_LIMIT_SECOND = 0x001C,
IPA_RC_INVALID_IP_VERSION = 0x0020,
+ IPA_RC_SBP_IQD_CURRENT_PRIMARY = 0x0024,
IPA_RC_LAN_FRAME_MISMATCH = 0x0040,
+ IPA_RC_SBP_IQD_NO_QDIO_QUEUES = 0x00EB,
IPA_RC_L2_UNSUPPORTED_CMD = 0x2003,
IPA_RC_L2_DUP_MAC = 0x2005,
IPA_RC_L2_ADDR_TABLE_FULL = 0x2006,
@@ -159,6 +165,14 @@ enum qeth_ipa_return_codes {
IPA_RC_L2_INVALID_VLAN_ID = 0x2015,
IPA_RC_L2_DUP_VLAN_ID = 0x2016,
IPA_RC_L2_VLAN_ID_NOT_FOUND = 0x2017,
+ IPA_RC_SBP_OSA_NOT_CONFIGURED = 0x2B0C,
+ IPA_RC_SBP_OSA_OS_MISMATCH = 0x2B10,
+ IPA_RC_SBP_OSA_ANO_DEV_PRIMARY = 0x2B14,
+ IPA_RC_SBP_OSA_CURRENT_SECOND = 0x2B18,
+ IPA_RC_SBP_OSA_LIMIT_SECOND = 0x2B1C,
+ IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN = 0x2B20,
+ IPA_RC_SBP_OSA_CURRENT_PRIMARY = 0x2B24,
+ IPA_RC_SBP_OSA_NO_QDIO_QUEUES = 0x2BEB,
IPA_RC_DATA_MISMATCH = 0xe001,
IPA_RC_INVALID_MTU_SIZE = 0xe002,
IPA_RC_INVALID_LANTYPE = 0xe003,
@@ -187,6 +201,10 @@ enum qeth_ipa_return_codes {
#define IPA_RC_INVALID_SUBCMD IPA_RC_IP_TABLE_FULL
#define IPA_RC_HARDWARE_AUTH_ERROR IPA_RC_UNKNOWN_ERROR
+/* for SETBRIDGEPORT (double occupancies) */
+#define IPA_RC_SBP_IQD_OS_MISMATCH IPA_RC_DUP_IPV6_HOME
+#define IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN IPA_RC_INVALID_IP_VERSION
+
/* IPA function flags; each flag marks availability of respective function */
enum qeth_ipa_funcs {
IPA_ARP_PROCESSING = 0x00000001L,
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 70b633f951ea..ad110abfdd47 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -21,6 +21,7 @@
#include <linux/hash.h>
#include <linux/hashtable.h>
#include <linux/string.h>
+#include <asm/setup.h>
#include "qeth_core.h"
#include "qeth_l2.h"
@@ -505,9 +506,19 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
int rc = 0;
char vendor_pre[] = {0x02, 0x00, 0x00};
- QETH_DBF_TEXT(SETUP, 2, "doL2init");
+ QETH_DBF_TEXT(SETUP, 2, "l2reqmac");
QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
+ if (MACHINE_IS_VM) {
+ rc = qeth_vm_request_mac(card);
+ if (!rc)
+ goto out;
+ QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %s: x%x\n",
+ CARD_BUS_ID(card), rc);
+ QETH_DBF_TEXT_(SETUP, 2, "err%04x", rc);
+ /* fall back to alternative mechanism: */
+ }
+
if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
rc = qeth_query_setadapterparms(card);
if (rc) {
@@ -528,11 +539,12 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc);
return rc;
}
- QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN);
} else {
eth_random_addr(card->dev->dev_addr);
memcpy(card->dev->dev_addr, vendor_pre, 3);
}
+out:
+ QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, card->dev->addr_len);
return 0;
}
@@ -759,8 +771,7 @@ static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
sizeof(struct qeth_hdr));
if (!new_skb)
goto tx_drop;
- hdr = (struct qeth_hdr *)skb_push(new_skb,
- sizeof(struct qeth_hdr));
+ hdr = skb_push(new_skb, sizeof(struct qeth_hdr));
skb_set_mac_header(new_skb, sizeof(struct qeth_hdr));
qeth_l2_fill_header(card, hdr, new_skb, cast_type);
if (new_skb->ip_summed == CHECKSUM_PARTIAL)
@@ -1651,27 +1662,27 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) ||
(!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc)))
switch (cbctl->cmd_rc) {
- case 0x0000:
+ case IPA_RC_SUCCESS:
rc = 0;
break;
- case 0x2B04:
- case 0x0004:
+ case IPA_RC_L2_UNSUPPORTED_CMD:
+ case IPA_RC_UNSUPPORTED_COMMAND:
rc = -EOPNOTSUPP;
break;
- case 0x2B0C:
- case 0x000C: /* Not configured as bridge Port */
+ case IPA_RC_SBP_OSA_NOT_CONFIGURED:
+ case IPA_RC_SBP_IQD_NOT_CONFIGURED:
rc = -ENODEV; /* maybe not the best code here? */
dev_err(&card->gdev->dev,
"The device is not configured as a Bridge Port\n");
break;
- case 0x2B10:
- case 0x0010: /* OS mismatch */
+ case IPA_RC_SBP_OSA_OS_MISMATCH:
+ case IPA_RC_SBP_IQD_OS_MISMATCH:
rc = -EPERM;
dev_err(&card->gdev->dev,
"A Bridge Port is already configured by a different operating system\n");
break;
- case 0x2B14:
- case 0x0014: /* Another device is Primary */
+ case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY:
+ case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY:
switch (setcmd) {
case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
rc = -EEXIST;
@@ -1687,26 +1698,26 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
rc = -EIO;
}
break;
- case 0x2B18:
- case 0x0018: /* This device is currently Secondary */
+ case IPA_RC_SBP_OSA_CURRENT_SECOND:
+ case IPA_RC_SBP_IQD_CURRENT_SECOND:
rc = -EBUSY;
dev_err(&card->gdev->dev,
"The device is already a secondary Bridge Port\n");
break;
- case 0x2B1C:
- case 0x001C: /* Limit for Secondary devices reached */
+ case IPA_RC_SBP_OSA_LIMIT_SECOND:
+ case IPA_RC_SBP_IQD_LIMIT_SECOND:
rc = -EEXIST;
dev_err(&card->gdev->dev,
"The LAN cannot have more secondary Bridge Ports\n");
break;
- case 0x2B24:
- case 0x0024: /* This device is currently Primary */
+ case IPA_RC_SBP_OSA_CURRENT_PRIMARY:
+ case IPA_RC_SBP_IQD_CURRENT_PRIMARY:
rc = -EBUSY;
dev_err(&card->gdev->dev,
"The device is already a primary Bridge Port\n");
break;
- case 0x2B20:
- case 0x0020: /* Not authorized by zManager */
+ case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN:
+ case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN:
rc = -EACCES;
dev_err(&card->gdev->dev,
"The device is not authorized to be a Bridge Port\n");
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 37b594231b76..3062cde33a3d 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2729,16 +2729,14 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
}
if (use_tso) {
- hdr = (struct qeth_hdr *)skb_push(new_skb,
- sizeof(struct qeth_hdr_tso));
+ hdr = skb_push(new_skb, sizeof(struct qeth_hdr_tso));
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
qeth_tso_fill_header(card, hdr, new_skb);
hdr_elements++;
} else {
if (data_offset < 0) {
- hdr = (struct qeth_hdr *)skb_push(new_skb,
- sizeof(struct qeth_hdr));
+ hdr = skb_push(new_skb, sizeof(struct qeth_hdr));
qeth_l3_fill_header(card, hdr, new_skb, ipv,
cast_type);
} else {
generated by cgit (git 2.34.1) at 2025-04-30 00:57:23 +0000