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Merge branch 's390-net-next'

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Julian Wiedmann says:

====================
s390/net: updates 2019-08-20

please apply the following patches to net-next. This series brings a mix
of cleanups and small improvements for various parts of qeth's control
path. Also, a minor cleanup for ctcm and lcs.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-08-20 13:51:46 -07:00
commit c08129bbd4
9 changed files with 197 additions and 247 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
drivers/s390/net/ctcm_fsms.c
View File

@ -307,8 +307,7 @@ static void chx_txdone(fsm_instance *fi, int event, void *arg)
ch->ccw[1].count = ch->trans_skb->len;
fsm_addtimer(&ch->timer, CTCM_TIME_5_SEC, CTC_EVENT_TIMER, ch);
ch->prof.send_stamp = jiffies;
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
ch->prof.doios_multi++;
if (rc != 0) {
priv->stats.tx_dropped += i;
@ -417,8 +416,7 @@ static void chx_rx(fsm_instance *fi, int event, void *arg)
if (ctcm_checkalloc_buffer(ch))
return;
ch->ccw[1].count = ch->max_bufsize;
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
if (rc != 0)
ctcm_ccw_check_rc(ch, rc, "normal RX");
}
@ -478,8 +476,7 @@ static void chx_firstio(fsm_instance *fi, int event, void *arg)
fsm_newstate(fi, (CHANNEL_DIRECTION(ch->flags) == CTCM_READ)
? CTC_STATE_RXINIT : CTC_STATE_TXINIT);
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
if (rc != 0) {
fsm_deltimer(&ch->timer);
fsm_newstate(fi, CTC_STATE_SETUPWAIT);
@ -527,8 +524,7 @@ static void chx_rxidle(fsm_instance *fi, int event, void *arg)
return;
ch->ccw[1].count = ch->max_bufsize;
fsm_newstate(fi, CTC_STATE_RXIDLE);
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
if (rc != 0) {
fsm_newstate(fi, CTC_STATE_RXINIT);
ctcm_ccw_check_rc(ch, rc, "initial RX");
@ -571,8 +567,7 @@ static void ctcm_chx_setmode(fsm_instance *fi, int event, void *arg)
/* Such conditional locking is undeterministic in
* static view. => ignore sparse warnings here. */
rc = ccw_device_start(ch->cdev, &ch->ccw[6],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[6], 0, 0xff, 0);
if (event == CTC_EVENT_TIMER) /* see above comments */
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (rc != 0) {
@ -637,7 +632,7 @@ static void ctcm_chx_start(fsm_instance *fi, int event, void *arg)
fsm_newstate(fi, CTC_STATE_STARTWAIT);
fsm_addtimer(&ch->timer, 1000, CTC_EVENT_TIMER, ch);
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_halt(ch->cdev, (unsigned long)ch);
rc = ccw_device_halt(ch->cdev, 0);
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (rc != 0) {
if (rc != -EBUSY)
@ -672,7 +667,7 @@ static void ctcm_chx_haltio(fsm_instance *fi, int event, void *arg)
* static view. => ignore sparse warnings here. */
oldstate = fsm_getstate(fi);
fsm_newstate(fi, CTC_STATE_TERM);
rc = ccw_device_halt(ch->cdev, (unsigned long)ch);
rc = ccw_device_halt(ch->cdev, 0);
if (event == CTC_EVENT_STOP)
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
@ -799,7 +794,7 @@ static void ctcm_chx_setuperr(fsm_instance *fi, int event, void *arg)
fsm_addtimer(&ch->timer, CTCM_TIME_5_SEC, CTC_EVENT_TIMER, ch);
if (!IS_MPC(ch) &&
(CHANNEL_DIRECTION(ch->flags) == CTCM_READ)) {
int rc = ccw_device_halt(ch->cdev, (unsigned long)ch);
int rc = ccw_device_halt(ch->cdev, 0);
if (rc != 0)
ctcm_ccw_check_rc(ch, rc,
"HaltIO in chx_setuperr");
@ -851,7 +846,7 @@ static void ctcm_chx_restart(fsm_instance *fi, int event, void *arg)
/* Such conditional locking is a known problem for
* sparse because its undeterministic in static view.
* Warnings should be ignored here. */
rc = ccw_device_halt(ch->cdev, (unsigned long)ch);
rc = ccw_device_halt(ch->cdev, 0);
if (event == CTC_EVENT_TIMER)
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (rc != 0) {
@ -947,8 +942,8 @@ static void ctcm_chx_rxdisc(fsm_instance *fi, int event, void *arg)
ch2 = priv->channel[CTCM_WRITE];
fsm_newstate(ch2->fsm, CTC_STATE_DTERM);
ccw_device_halt(ch->cdev, (unsigned long)ch);
ccw_device_halt(ch2->cdev, (unsigned long)ch2);
ccw_device_halt(ch->cdev, 0);
ccw_device_halt(ch2->cdev, 0);
}
/**
@ -1041,8 +1036,7 @@ static void ctcm_chx_txretry(fsm_instance *fi, int event, void *arg)
ctcmpc_dumpit((char *)&ch->ccw[3],
sizeof(struct ccw1) * 3);
rc = ccw_device_start(ch->cdev, &ch->ccw[3],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[3], 0, 0xff, 0);
if (event == CTC_EVENT_TIMER)
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev),
saveflags);
@ -1361,8 +1355,7 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg)
ch->prof.send_stamp = jiffies;
if (do_debug_ccw)
ctcmpc_dumpit((char *)&ch->ccw[0], sizeof(struct ccw1) * 3);
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
ch->prof.doios_multi++;
if (rc != 0) {
priv->stats.tx_dropped += i;
@ -1462,8 +1455,7 @@ again:
if (dolock)
spin_lock_irqsave(
get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
if (dolock) /* see remark about conditional locking */
spin_unlock_irqrestore(
get_ccwdev_lock(ch->cdev), saveflags);
@ -1569,8 +1561,7 @@ void ctcmpc_chx_rxidle(fsm_instance *fi, int event, void *arg)
if (event == CTC_EVENT_START)
/* see remark about conditional locking */
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_start(ch->cdev, &ch->ccw[0],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[0], 0, 0xff, 0);
if (event == CTC_EVENT_START)
spin_unlock_irqrestore(
get_ccwdev_lock(ch->cdev), saveflags);
@ -1825,8 +1816,7 @@ static void ctcmpc_chx_send_sweep(fsm_instance *fsm, int event, void *arg)
spin_lock_irqsave(get_ccwdev_lock(wch->cdev), saveflags);
wch->prof.send_stamp = jiffies;
rc = ccw_device_start(wch->cdev, &wch->ccw[3],
(unsigned long) wch, 0xff, 0);
rc = ccw_device_start(wch->cdev, &wch->ccw[3], 0, 0xff, 0);
spin_unlock_irqrestore(get_ccwdev_lock(wch->cdev), saveflags);
if ((grp->sweep_req_pend_num == 0) &&

6
drivers/s390/net/ctcm_main.c
View File

@ -569,8 +569,7 @@ static int ctcm_transmit_skb(struct channel *ch, struct sk_buff *skb)
fsm_addtimer(&ch->timer, CTCM_TIME_5_SEC, CTC_EVENT_TIMER, ch);
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
ch->prof.send_stamp = jiffies;
rc = ccw_device_start(ch->cdev, &ch->ccw[ccw_idx],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[ccw_idx], 0, 0xff, 0);
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (ccw_idx == 3)
ch->prof.doios_single++;
@ -833,8 +832,7 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
ch->prof.send_stamp = jiffies;
rc = ccw_device_start(ch->cdev, &ch->ccw[ccw_idx],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[ccw_idx], 0, 0xff, 0);
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (ccw_idx == 3)
ch->prof.doios_single++;

6
drivers/s390/net/ctcm_mpc.c
View File

@ -1523,8 +1523,7 @@ void mpc_action_send_discontact(unsigned long thischan)
unsigned long saveflags = 0;
spin_lock_irqsave(get_ccwdev_lock(ch->cdev), saveflags);
rc = ccw_device_start(ch->cdev, &ch->ccw[15],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[15], 0, 0xff, 0);
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);
if (rc != 0) {
@ -1797,8 +1796,7 @@ static void mpc_action_side_xid(fsm_instance *fsm, void *arg, int side)
}
fsm_addtimer(&ch->timer, 5000 , CTC_EVENT_TIMER, ch);
rc = ccw_device_start(ch->cdev, &ch->ccw[8],
(unsigned long)ch, 0xff, 0);
rc = ccw_device_start(ch->cdev, &ch->ccw[8], 0, 0xff, 0);
if (gotlock) /* see remark above about conditional locking */
spin_unlock_irqrestore(get_ccwdev_lock(ch->cdev), saveflags);

6
drivers/s390/net/lcs.c
View File

@ -504,7 +504,7 @@ lcs_clear_channel(struct lcs_channel *channel)
LCS_DBF_TEXT(4,trace,"clearch");
LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_clear(channel->ccwdev, (addr_t) channel);
rc = ccw_device_clear(channel->ccwdev, 0);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc) {
LCS_DBF_TEXT_(4, trace, "ecsc%s",
@ -532,7 +532,7 @@ lcs_stop_channel(struct lcs_channel *channel)
LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
channel->state = LCS_CH_STATE_INIT;
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_halt(channel->ccwdev, (addr_t) channel);
rc = ccw_device_halt(channel->ccwdev, 0);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc) {
LCS_DBF_TEXT_(4, trace, "ehsc%s",
@ -1427,7 +1427,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
channel->state = LCS_CH_STATE_SUSPENDED;
if (irb->scsw.cmd.fctl & SCSW_FCTL_HALT_FUNC) {
if (irb->scsw.cmd.cc != 0) {
ccw_device_halt(channel->ccwdev, (addr_t) channel);
ccw_device_halt(channel->ccwdev, 0);
return;
}
/* The channel has been stopped by halt_IO. */

36
drivers/s390/net/qeth_core.h
View File

@ -572,15 +572,26 @@ struct qeth_channel {
atomic_t irq_pending;
};
struct qeth_reply {
int (*callback)(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data);
void *param;
};
struct qeth_cmd_buffer {
struct list_head list;
struct completion done;
spinlock_t lock;
unsigned int length;
refcount_t ref_count;
struct qeth_channel *channel;
struct qeth_reply *reply;
struct qeth_reply reply;
long timeout;
unsigned char *data;
void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob,
unsigned int data_length);
int rc;
};
static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
@ -626,19 +637,6 @@ struct qeth_seqno {
__u16 ipa;
};
struct qeth_reply {
struct list_head list;
struct completion received;
spinlock_t lock;
int (*callback)(struct qeth_card *, struct qeth_reply *,
unsigned long);
u32 seqno;
unsigned long offset;
int rc;
void *param;
refcount_t refcnt;
};
struct qeth_card_blkt {
int time_total;
int inter_packet;
@ -651,10 +649,11 @@ struct qeth_card_blkt {
struct qeth_card_info {
unsigned short unit_addr2;
unsigned short cula;
unsigned short chpid;
u8 chpid;
__u16 func_level;
char mcl_level[QETH_MCL_LENGTH + 1];
u8 open_when_online:1;
u8 promisc_mode:1;
u8 use_v1_blkt:1;
u8 is_vm_nic:1;
int mac_bits;
@ -664,7 +663,6 @@ struct qeth_card_info {
int unique_id;
bool layer_enforced;
struct qeth_card_blkt blkt;
enum qeth_ipa_promisc_modes promisc_mode;
__u32 diagass_support;
__u32 hwtrap;
};
@ -994,6 +992,7 @@ struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
enum qeth_diags_cmds sub_cmd,
unsigned int data_length);
void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason);
void qeth_put_cmd(struct qeth_cmd_buffer *iob);
struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
@ -1005,10 +1004,9 @@ void qeth_clear_ipacmd_list(struct qeth_card *);
int qeth_qdio_clear_card(struct qeth_card *, int);
void qeth_clear_working_pool_list(struct qeth_card *);
void qeth_drain_output_queues(struct qeth_card *card);
void qeth_setadp_promisc_mode(struct qeth_card *);
void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
int qeth_setadpparms_change_macaddr(struct qeth_card *);
void qeth_tx_timeout(struct net_device *);
void qeth_notify_reply(struct qeth_reply *reply, int reason);
void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
u16 cmd_length);
int qeth_query_switch_attributes(struct qeth_card *card,

259
drivers/s390/net/qeth_core_main.c
View File

@ -63,7 +63,8 @@ static struct device *qeth_core_root_dev;
static struct lock_class_key qdio_out_skb_queue_key;
static void qeth_issue_next_read_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob);
struct qeth_cmd_buffer *iob,
unsigned int data_length);
static void qeth_free_buffer_pool(struct qeth_card *);
static int qeth_qdio_establish(struct qeth_card *);
static void qeth_free_qdio_queues(struct qeth_card *card);
@ -536,50 +537,28 @@ static int qeth_issue_next_read(struct qeth_card *card)
return ret;
}
static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
{
struct qeth_reply *reply;
reply = kzalloc(sizeof(*reply), GFP_KERNEL);
if (reply) {
refcount_set(&reply->refcnt, 1);
init_completion(&reply->received);
spin_lock_init(&reply->lock);
}
return reply;
}
static void qeth_get_reply(struct qeth_reply *reply)
{
refcount_inc(&reply->refcnt);
}
static void qeth_put_reply(struct qeth_reply *reply)
{
if (refcount_dec_and_test(&reply->refcnt))
kfree(reply);
}
static void qeth_enqueue_reply(struct qeth_card *card, struct qeth_reply *reply)
static void qeth_enqueue_cmd(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
{
spin_lock_irq(&card->lock);
list_add_tail(&reply->list, &card->cmd_waiter_list);
list_add_tail(&iob->list, &card->cmd_waiter_list);
spin_unlock_irq(&card->lock);
}
static void qeth_dequeue_reply(struct qeth_card *card, struct qeth_reply *reply)
static void qeth_dequeue_cmd(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
{
spin_lock_irq(&card->lock);
list_del(&reply->list);
list_del(&iob->list);
spin_unlock_irq(&card->lock);
}
void qeth_notify_reply(struct qeth_reply *reply, int reason)
void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason)
{
reply->rc = reason;
complete(&reply->received);
iob->rc = reason;
complete(&iob->done);
}
EXPORT_SYMBOL_GPL(qeth_notify_reply);
EXPORT_SYMBOL_GPL(qeth_notify_cmd);
static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
struct qeth_card *card)
@ -657,14 +636,14 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
void qeth_clear_ipacmd_list(struct qeth_card *card)
{
struct qeth_reply *reply;
struct qeth_cmd_buffer *iob;
unsigned long flags;
QETH_CARD_TEXT(card, 4, "clipalst");
spin_lock_irqsave(&card->lock, flags);
list_for_each_entry(reply, &card->cmd_waiter_list, list)
qeth_notify_reply(reply, -EIO);
list_for_each_entry(iob, &card->cmd_waiter_list, list)
qeth_notify_cmd(iob, -EIO);
spin_unlock_irqrestore(&card->lock, flags);
}
EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list);
@ -693,8 +672,6 @@ static int qeth_check_idx_response(struct qeth_card *card,
void qeth_put_cmd(struct qeth_cmd_buffer *iob)
{
if (refcount_dec_and_test(&iob->ref_count)) {
if (iob->reply)
qeth_put_reply(iob->reply);
kfree(iob->data);
kfree(iob);
}
@ -702,17 +679,15 @@ void qeth_put_cmd(struct qeth_cmd_buffer *iob)
EXPORT_SYMBOL_GPL(qeth_put_cmd);
static void qeth_release_buffer_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
qeth_put_cmd(iob);
}
static void qeth_cancel_cmd(struct qeth_cmd_buffer *iob, int rc)
{
struct qeth_reply *reply = iob->reply;
if (reply)
qeth_notify_reply(reply, rc);
qeth_notify_cmd(iob, rc);
qeth_put_cmd(iob);
}
@ -736,6 +711,9 @@ struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
return NULL;
}
init_completion(&iob->done);
spin_lock_init(&iob->lock);
INIT_LIST_HEAD(&iob->list);
refcount_set(&iob->ref_count, 1);
iob->channel = channel;
iob->timeout = timeout;
@ -745,11 +723,13 @@ struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
EXPORT_SYMBOL_GPL(qeth_alloc_cmd);
static void qeth_issue_next_read_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
struct qeth_cmd_buffer *request = NULL;
struct qeth_ipa_cmd *cmd = NULL;
struct qeth_reply *reply = NULL;
struct qeth_reply *r;
struct qeth_cmd_buffer *tmp;
unsigned long flags;
int rc = 0;
@ -784,44 +764,39 @@ static void qeth_issue_next_read_cb(struct qeth_card *card,
/* match against pending cmd requests */
spin_lock_irqsave(&card->lock, flags);
list_for_each_entry(r, &card->cmd_waiter_list, list) {
if ((r->seqno == QETH_IDX_COMMAND_SEQNO) ||
(cmd && (r->seqno == cmd->hdr.seqno))) {
reply = r;
list_for_each_entry(tmp, &card->cmd_waiter_list, list) {
if (!IS_IPA(tmp->data) ||
__ipa_cmd(tmp)->hdr.seqno == cmd->hdr.seqno) {
request = tmp;
/* take the object outside the lock */
qeth_get_reply(reply);
qeth_get_cmd(request);
break;
}
}
spin_unlock_irqrestore(&card->lock, flags);
if (!reply)
if (!request)
goto out;
reply = &request->reply;
if (!reply->callback) {
rc = 0;
goto no_callback;
}
spin_lock_irqsave(&reply->lock, flags);
if (reply->rc) {
spin_lock_irqsave(&request->lock, flags);
if (request->rc)
/* Bail out when the requestor has already left: */
rc = reply->rc;
} else {
if (cmd) {
reply->offset = (u16)((char *)cmd - (char *)iob->data);
rc = reply->callback(card, reply, (unsigned long)cmd);
} else {
rc = reply->callback(card, reply, (unsigned long)iob);
}
}
spin_unlock_irqrestore(&reply->lock, flags);
rc = request->rc;
else
rc = reply->callback(card, reply, cmd ? (unsigned long)cmd :
(unsigned long)iob);
spin_unlock_irqrestore(&request->lock, flags);
no_callback:
if (rc <= 0)
qeth_notify_reply(reply, rc);
qeth_put_reply(reply);
qeth_notify_cmd(request, rc);
qeth_put_cmd(request);
out:
memcpy(&card->seqno.pdu_hdr_ack,
QETH_PDU_HEADER_SEQ_NO(iob->data),
@ -1072,8 +1047,16 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
}
}
if (iob && iob->callback)
iob->callback(card, iob);
if (iob) {
/* sanity check: */
if (irb->scsw.cmd.count > iob->length) {
qeth_cancel_cmd(iob, -EIO);
goto out;
}
if (iob->callback)
iob->callback(card, iob,
iob->length - irb->scsw.cmd.count);
}
out:
wake_up(&card->wait_q);
@ -1652,7 +1635,6 @@ static void qeth_mpc_finalize_cmd(struct qeth_card *card,
memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
&card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
iob->reply->seqno = QETH_IDX_COMMAND_SEQNO;
iob->callback = qeth_release_buffer_cb;
}
@ -1703,29 +1685,19 @@ static int qeth_send_control_data(struct qeth_card *card,
void *reply_param)
{
struct qeth_channel *channel = iob->channel;
struct qeth_reply *reply = &iob->reply;
long timeout = iob->timeout;
int rc;
struct qeth_reply *reply = NULL;
QETH_CARD_TEXT(card, 2, "sendctl");
reply = qeth_alloc_reply(card);
if (!reply) {
qeth_put_cmd(iob);
return -ENOMEM;
}
reply->callback = reply_cb;
reply->param = reply_param;
/* pairs with qeth_put_cmd(): */
qeth_get_reply(reply);
iob->reply = reply;
timeout = wait_event_interruptible_timeout(card->wait_q,
qeth_trylock_channel(channel),
timeout);
if (timeout <= 0) {
qeth_put_reply(reply);
qeth_put_cmd(iob);
return (timeout == -ERESTARTSYS) ? -EINTR : -ETIME;
}
@ -1734,7 +1706,10 @@ static int qeth_send_control_data(struct qeth_card *card,
iob->finalize(card, iob);
QETH_DBF_HEX(CTRL, 2, iob->data, min(iob->length, QETH_DBF_CTRL_LEN));
qeth_enqueue_reply(card, reply);
qeth_enqueue_cmd(card, iob);
/* This pairs with iob->callback, and keeps the iob alive after IO: */
qeth_get_cmd(iob);
QETH_CARD_TEXT(card, 6, "noirqpnd");
spin_lock_irq(get_ccwdev_lock(channel->ccwdev));
@ -1745,51 +1720,74 @@ static int qeth_send_control_data(struct qeth_card *card,
QETH_DBF_MESSAGE(2, "qeth_send_control_data on device %x: ccw_device_start rc = %i\n",
CARD_DEVID(card), rc);
QETH_CARD_TEXT_(card, 2, " err%d", rc);
qeth_dequeue_reply(card, reply);
qeth_put_reply(reply);
qeth_dequeue_cmd(card, iob);
qeth_put_cmd(iob);
atomic_set(&channel->irq_pending, 0);
wake_up(&card->wait_q);
return rc;
goto out;
}
timeout = wait_for_completion_interruptible_timeout(&reply->received,
timeout = wait_for_completion_interruptible_timeout(&iob->done,
timeout);
if (timeout <= 0)
rc = (timeout == -ERESTARTSYS) ? -EINTR : -ETIME;
qeth_dequeue_reply(card, reply);
qeth_dequeue_cmd(card, iob);
if (reply_cb) {
/* Wait until the callback for a late reply has completed: */
spin_lock_irq(&reply->lock);
spin_lock_irq(&iob->lock);
if (rc)
/* Zap any callback that's still pending: */
reply->rc = rc;
spin_unlock_irq(&reply->lock);
iob->rc = rc;
spin_unlock_irq(&iob->lock);
}
if (!rc)
rc = reply->rc;
qeth_put_reply(reply);
rc = iob->rc;
out:
qeth_put_cmd(iob);
return rc;
}
struct qeth_node_desc {
struct node_descriptor nd1;
struct node_descriptor nd2;
struct node_descriptor nd3;
};
static void qeth_read_conf_data_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
unsigned char *prcd = iob->data;
struct qeth_node_desc *nd = (struct qeth_node_desc *) iob->data;
int rc = 0;
u8 *tag;
QETH_CARD_TEXT(card, 2, "cfgunit");
card->info.chpid = prcd[30];
card->info.unit_addr2 = prcd[31];
card->info.cula = prcd[63];
card->info.is_vm_nic = ((prcd[0x10] == _ascebc['V']) &&
(prcd[0x11] == _ascebc['M']));
card->info.use_v1_blkt = prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
prcd[76] >= 0xF1 && prcd[76] <= 0xF4;
qeth_notify_reply(iob->reply, 0);
if (data_length < sizeof(*nd)) {
rc = -EINVAL;
goto out;
}
card->info.is_vm_nic = nd->nd1.plant[0] == _ascebc['V'] &&
nd->nd1.plant[1] == _ascebc['M'];
tag = (u8 *)&nd->nd1.tag;
card->info.chpid = tag[0];
card->info.unit_addr2 = tag[1];
tag = (u8 *)&nd->nd2.tag;
card->info.cula = tag[1];
card->info.use_v1_blkt = nd->nd3.model[0] == 0xF0 &&
nd->nd3.model[1] == 0xF0 &&
nd->nd3.model[2] >= 0xF1 &&
nd->nd3.model[2] <= 0xF4;
out:
qeth_notify_cmd(iob, rc);
qeth_put_cmd(iob);
}
@ -1803,6 +1801,8 @@ static int qeth_read_conf_data(struct qeth_card *card)
ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
if (!ciw || ciw->cmd == 0)
return -EOPNOTSUPP;
if (ciw->count < sizeof(struct qeth_node_desc))
return -EINVAL;
iob = qeth_alloc_cmd(channel, ciw->count, 1, QETH_RCD_TIMEOUT);
if (!iob)
@ -1850,7 +1850,8 @@ static int qeth_idx_check_activate_response(struct qeth_card *card,
}
static void qeth_idx_activate_read_channel_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
struct qeth_channel *channel = iob->channel;
u16 peer_level;
@ -1878,12 +1879,13 @@ static void qeth_idx_activate_read_channel_cb(struct qeth_card *card,
QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
out:
qeth_notify_reply(iob->reply, rc);
qeth_notify_cmd(iob, rc);
qeth_put_cmd(iob);
}
static void qeth_idx_activate_write_channel_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
struct qeth_channel *channel = iob->channel;
u16 peer_level;
@ -1905,7 +1907,7 @@ static void qeth_idx_activate_write_channel_cb(struct qeth_card *card,
}
out:
qeth_notify_reply(iob->reply, rc);
qeth_notify_cmd(iob, rc);
qeth_put_cmd(iob);
}
@ -2638,8 +2640,7 @@ static void qeth_ipa_finalize_cmd(struct qeth_card *card,
qeth_mpc_finalize_cmd(card, iob);
/* override with IPA-specific values: */
__ipa_cmd(iob)->hdr.seqno = card->seqno.ipa;
iob->reply->seqno = card->seqno.ipa++;
__ipa_cmd(iob)->hdr.seqno = card->seqno.ipa++;
}
void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
@ -4014,23 +4015,14 @@ static int qeth_setadp_promisc_mode_cb(struct qeth_card *card,
return (cmd->hdr.return_code) ? -EIO : 0;
}
void qeth_setadp_promisc_mode(struct qeth_card *card)
void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable)
{
enum qeth_ipa_promisc_modes mode;
struct net_device *dev = card->dev;
enum qeth_ipa_promisc_modes mode = enable ? SET_PROMISC_MODE_ON :
SET_PROMISC_MODE_OFF;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
QETH_CARD_TEXT(card, 4, "setprom");
if (((dev->flags & IFF_PROMISC) &&
(card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
(!(dev->flags & IFF_PROMISC) &&
(card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
return;
mode = SET_PROMISC_MODE_OFF;
if (dev->flags & IFF_PROMISC)
mode = SET_PROMISC_MODE_ON;
QETH_CARD_TEXT_(card, 4, "mode:%x", mode);
iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
@ -4298,20 +4290,16 @@ static int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
}
static int qeth_snmp_command_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long sdata)
struct qeth_reply *reply, unsigned long data)
{
struct qeth_ipa_cmd *cmd;
struct qeth_arp_query_info *qinfo;
unsigned char *data;
struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
struct qeth_arp_query_info *qinfo = reply->param;
struct qeth_ipacmd_setadpparms *adp_cmd;
unsigned int data_len;
void *snmp_data;
__u16 data_len;
QETH_CARD_TEXT(card, 3, "snpcmdcb");
cmd = (struct qeth_ipa_cmd *) sdata;
data = (unsigned char *)((char *)cmd - reply->offset);
qinfo = (struct qeth_arp_query_info *) reply->param;
if (cmd->hdr.return_code) {
QETH_CARD_TEXT_(card, 4, "scer1%x", cmd->hdr.return_code);
return -EIO;
@ -4322,15 +4310,14 @@ static int qeth_snmp_command_cb(struct qeth_card *card,
QETH_CARD_TEXT_(card, 4, "scer2%x", cmd->hdr.return_code);
return -EIO;
}
data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data));
if (cmd->data.setadapterparms.hdr.seq_no == 1) {
snmp_data = &cmd->data.setadapterparms.data.snmp;
data_len -= offsetof(struct qeth_ipa_cmd,
data.setadapterparms.data.snmp);
adp_cmd = &cmd->data.setadapterparms;
data_len = adp_cmd->hdr.cmdlength - sizeof(adp_cmd->hdr);
if (adp_cmd->hdr.seq_no == 1) {
snmp_data = &adp_cmd->data.snmp;
} else {
snmp_data = &cmd->data.setadapterparms.data.snmp.request;
data_len -= offsetof(struct qeth_ipa_cmd,
data.setadapterparms.data.snmp.request);
snmp_data = &adp_cmd->data.snmp.request;
data_len -= offsetof(struct qeth_snmp_cmd, request);
}
/* check if there is enough room in userspace */

1
drivers/s390/net/qeth_core_mpc.h
View File

@ -27,7 +27,6 @@ extern unsigned char IPA_PDU_HEADER[];
#define QETH_TIMEOUT (10 * HZ)
#define QETH_IPA_TIMEOUT (45 * HZ)
#define QETH_IDX_COMMAND_SEQNO 0xffff0000
#define QETH_CLEAR_CHANNEL_PARM -10
#define QETH_HALT_CHANNEL_PARM -11

64
drivers/s390/net/qeth_l2_main.c
View File

@ -439,23 +439,14 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
return 0;
}
static void qeth_promisc_to_bridge(struct qeth_card *card)
static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable)
{
struct net_device *dev = card->dev;
enum qeth_ipa_promisc_modes promisc_mode;
int role;
int rc;
QETH_CARD_TEXT(card, 3, "pmisc2br");
if (!card->options.sbp.reflect_promisc)
return;
promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON
: SET_PROMISC_MODE_OFF;
if (promisc_mode == card->info.promisc_mode)
return;
if (promisc_mode == SET_PROMISC_MODE_ON) {
if (enable) {
if (card->options.sbp.reflect_promisc_primary)
role = QETH_SBP_ROLE_PRIMARY;
else
@ -464,14 +455,26 @@ static void qeth_promisc_to_bridge(struct qeth_card *card)
role = QETH_SBP_ROLE_NONE;
rc = qeth_bridgeport_setrole(card, role);
QETH_CARD_TEXT_(card, 2, "bpm%c%04x",
(promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc);
QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc);
if (!rc) {
card->options.sbp.role = role;
card->info.promisc_mode = promisc_mode;
card->info.promisc_mode = enable;
}
}
static void qeth_l2_set_promisc_mode(struct qeth_card *card)
{
bool enable = card->dev->flags & IFF_PROMISC;
if (card->info.promisc_mode == enable)
return;
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
qeth_setadp_promisc_mode(card, enable);
else if (card->options.sbp.reflect_promisc)
qeth_l2_promisc_to_bridge(card, enable);
}
/* New MAC address is added to the hash table and marked to be written on card
* only if there is not in the hash table storage already
*
@ -539,10 +542,7 @@ static void qeth_l2_rx_mode_work(struct work_struct *work)
}
}
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
qeth_setadp_promisc_mode(card);
else
qeth_promisc_to_bridge(card);
qeth_l2_set_promisc_mode(card);
}
static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb,
@ -1000,9 +1000,10 @@ struct qeth_discipline qeth_l2_discipline = {
EXPORT_SYMBOL_GPL(qeth_l2_discipline);
static void qeth_osn_assist_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
struct qeth_cmd_buffer *iob,
unsigned int data_length)
{
qeth_notify_reply(iob->reply, 0);
qeth_notify_cmd(iob, 0);
qeth_put_cmd(iob);
}
@ -1703,7 +1704,6 @@ static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc)
/* generic VNICC request call back control */
struct _qeth_l2_vnicc_request_cbctl {
u32 sub_cmd;
struct {
union{
u32 *sup_cmds;
@ -1721,6 +1721,7 @@ static int qeth_l2_vnicc_request_cb(struct qeth_card *card,
(struct _qeth_l2_vnicc_request_cbctl *) reply->param;
struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc;
u32 sub_cmd = cmd->data.vnicc.hdr.sub_command;
QETH_CARD_TEXT(card, 2, "vniccrcb");
if (cmd->hdr.return_code)
@ -1729,10 +1730,9 @@ static int qeth_l2_vnicc_request_cb(struct qeth_card *card,
card->options.vnicc.sup_chars = rep->vnicc_cmds.supported;
card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled;
if (cbctl->sub_cmd == IPA_VNICC_QUERY_CMDS)
if (sub_cmd == IPA_VNICC_QUERY_CMDS)
*cbctl->result.sup_cmds = rep->data.query_cmds.sup_cmds;
if (cbctl->sub_cmd == IPA_VNICC_GET_TIMEOUT)
else if (sub_cmd == IPA_VNICC_GET_TIMEOUT)
*cbctl->result.timeout = rep->data.getset_timeout.timeout;
return 0;
@ -1760,7 +1760,6 @@ static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card,
/* VNICC query VNIC characteristics request */
static int qeth_l2_vnicc_query_chars(struct qeth_card *card)
{
struct _qeth_l2_vnicc_request_cbctl cbctl;
struct qeth_cmd_buffer *iob;
QETH_CARD_TEXT(card, 2, "vniccqch");
@ -1768,10 +1767,7 @@ static int qeth_l2_vnicc_query_chars(struct qeth_card *card)
if (!iob)
return -ENOMEM;
/* prepare callback control */
cbctl.sub_cmd = IPA_VNICC_QUERY_CHARS;
return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl);
return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
}
/* VNICC query sub commands request */
@ -1790,7 +1786,6 @@ static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char,
__ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char;
/* prepare callback control */
cbctl.sub_cmd = IPA_VNICC_QUERY_CMDS;
cbctl.result.sup_cmds = sup_cmds;
return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl);
@ -1800,7 +1795,6 @@ static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char,
static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char,
u32 cmd)
{
struct _qeth_l2_vnicc_request_cbctl cbctl;
struct qeth_cmd_buffer *iob;
QETH_CARD_TEXT(card, 2, "vniccedc");
@ -1810,10 +1804,7 @@ static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char,
__ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char;
/* prepare callback control */
cbctl.sub_cmd = cmd;
return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, &cbctl);
return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
}
/* VNICC get/set timeout for characteristic request */
@ -1837,7 +1828,6 @@ static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc,
getset_timeout->timeout = *timeout;
/* prepare callback control */
cbctl.sub_cmd = cmd;
if (cmd == IPA_VNICC_GET_TIMEOUT)
cbctl.result.timeout = timeout;

24
drivers/s390/net/qeth_l3_main.c
View File

@ -1435,27 +1435,19 @@ static void qeth_l3_stop_card(struct qeth_card *card)
flush_workqueue(card->event_wq);
}
/*
* test for and Switch promiscuous mode (on or off)
* either for guestlan or HiperSocket Sniffer
*/
static void
qeth_l3_handle_promisc_mode(struct qeth_card *card)
static void qeth_l3_set_promisc_mode(struct qeth_card *card)
{
struct net_device *dev = card->dev;
bool enable = card->dev->flags & IFF_PROMISC;
if (((dev->flags & IFF_PROMISC) &&
(card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
(!(dev->flags & IFF_PROMISC) &&
(card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
if (card->info.promisc_mode == enable)
return;
if (IS_VM_NIC(card)) { /* Guestlan trace */
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
qeth_setadp_promisc_mode(card);
qeth_setadp_promisc_mode(card, enable);
} else if (card->options.sniffer && /* HiperSockets trace */
qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) {
if (dev->flags & IFF_PROMISC) {
if (enable) {
QETH_CARD_TEXT(card, 3, "+promisc");
qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE);
} else {
@ -1502,11 +1494,9 @@ static void qeth_l3_rx_mode_work(struct work_struct *work)
addr->disp_flag = QETH_DISP_ADDR_DELETE;
}
}
if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
return;
}
qeth_l3_handle_promisc_mode(card);
qeth_l3_set_promisc_mode(card);
}
static int qeth_l3_arp_makerc(u16 rc)