static void ns_close(struct atm_vcc *vcc);
static void fill_tst(ns_dev * card, int n, vc_map * vc);
static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb);
+static int ns_send_bh(struct atm_vcc *vcc, struct sk_buff *skb);
static int push_scqe(ns_dev * card, vc_map * vc, scq_info * scq, ns_scqe * tbd,
- struct sk_buff *skb);
+ struct sk_buff *skb, bool may_sleep);
static void process_tsq(ns_dev * card);
static void drain_scq(ns_dev * card, scq_info * scq, int pos);
static void process_rsq(ns_dev * card);
.close = ns_close,
.ioctl = ns_ioctl,
.send = ns_send,
+ .send_bh = ns_send_bh,
.phy_put = ns_phy_put,
.phy_get = ns_phy_get,
.proc_read = ns_proc_read,
card->tst_addr = new_tst;
}
-static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+static int _ns_send(struct atm_vcc *vcc, struct sk_buff *skb, bool may_sleep)
{
ns_dev *card;
vc_map *vc;
scq = card->scq0;
}
- if (push_scqe(card, vc, scq, &scqe, skb) != 0) {
+ if (push_scqe(card, vc, scq, &scqe, skb, may_sleep) != 0) {
atomic_inc(&vcc->stats->tx_err);
dev_kfree_skb_any(skb);
return -EIO;
return 0;
}
+static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+ return _ns_send(vcc, skb, true);
+}
+
+static int ns_send_bh(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+ return _ns_send(vcc, skb, false);
+}
+
static int push_scqe(ns_dev * card, vc_map * vc, scq_info * scq, ns_scqe * tbd,
- struct sk_buff *skb)
+ struct sk_buff *skb, bool may_sleep)
{
unsigned long flags;
ns_scqe tsr;
spin_lock_irqsave(&scq->lock, flags);
while (scq->tail == scq->next) {
- if (in_interrupt()) {
+ if (!may_sleep) {
spin_unlock_irqrestore(&scq->lock, flags);
printk("nicstar%d: Error pushing TBD.\n", card->index);
return 1;
int has_run = 0;
while (scq->tail == scq->next) {
- if (in_interrupt()) {
+ if (!may_sleep) {
data = scq_virt_to_bus(scq, scq->next);
ns_write_sram(card, scq->scd, &data, 1);
spin_unlock_irqrestore(&scq->lock, flags);
kfree_skb(skb);
return -EADDRNOTAVAIL;
}
+ if (vcc->dev->ops->send_bh)
+ return vcc->dev->ops->send_bh(vcc, skb);
return vcc->dev->ops->send(vcc, skb);
}
vcc->push = atm_push_raw;
vcc->pop = atm_pop_raw;
vcc->push_oam = NULL;
- vcc->send = vcc->dev->ops->send;
+ if (vcc->dev->ops->send_bh)
+ vcc->send = vcc->dev->ops->send_bh;
+ else
+ vcc->send = vcc->dev->ops->send;
return 0;
}
vcc->push = atm_push_raw;
vcc->pop = atm_pop_raw;
vcc->push_oam = NULL;
- vcc->send = vcc->dev->ops->send;
+ if (vcc->dev->ops->send_bh)
+ vcc->send = vcc->dev->ops->send_bh;
+ else
+ vcc->send = vcc->dev->ops->send;
return 0;
}
EXPORT_SYMBOL(atm_init_aal5);