void sigd_enq2(struct atm_vcc *vcc,enum atmsvc_msg_type type,
struct atm_vcc *listen_vcc,const struct sockaddr_atmpvc *pvc,
const struct sockaddr_atmsvc *svc,const struct atm_qos *qos,int reply)
{
struct sk_buff *skb;
struct atmsvc_msg *msg;
static unsigned session = 0;
DPRINTK("sigd_enq %d (0x%p)\n",(int) type,vcc);
while (!(skb = alloc_skb(sizeof(struct atmsvc_msg),GFP_KERNEL)))
schedule();
msg = (struct atmsvc_msg *) skb_put(skb,sizeof(struct atmsvc_msg));
memset(msg,0,sizeof(*msg));
msg->type = type;
*(struct atm_vcc **) &msg->vcc = vcc;
*(struct atm_vcc **) &msg->listen_vcc = listen_vcc;
msg->reply = reply;
if (qos) msg->qos = *qos;
if (vcc) msg->sap = vcc->sap;
if (svc) msg->svc = *svc;
if (vcc) msg->local = vcc->local;
if (pvc) msg->pvc = *pvc;
if (vcc) {
if (type == as_connect && test_bit(ATM_VF_SESSION, &vcc->flags))
msg->session = ++session;
/* every new pmp connect gets the next session number */
}
sigd_put_skb(skb);
if (vcc) set_bit(ATM_VF_REGIS,&vcc->flags);
}
static void modify_qos(struct atm_vcc *vcc, struct atmsvc_msg *msg)
{
struct sk_buff *skb;
if (test_bit(ATM_VF_RELEASED, &vcc->flags) ||
!test_bit(ATM_VF_READY, &vcc->flags))
return;
msg->type = as_error;
if (!vcc->dev->ops->change_qos)
msg->reply = -EOPNOTSUPP;
else {
/* should lock VCC */
msg->reply = vcc->dev->ops->change_qos(vcc, &msg->qos,
msg->reply);
if (!msg->reply)
msg->type = as_okay;
}
/*
* Should probably just turn around the old skb. But the, the buffer
* space accounting needs to follow the change too. Maybe later.
*/
while (!(skb = alloc_skb(sizeof(struct atmsvc_msg), GFP_KERNEL)))
schedule();
*(struct atmsvc_msg *)skb_put(skb, sizeof(struct atmsvc_msg)) = *msg;
sigd_put_skb(skb);
}
static void modify_qos(struct atm_vcc *vcc,struct atmsvc_msg *msg)
{
struct sk_buff *skb;
if (test_bit(ATM_VF_RELEASED,&vcc->flags) ||
!test_bit(ATM_VF_READY,&vcc->flags))
return;
msg->type = as_error;
if (!vcc->dev->ops->change_qos) msg->reply = -EOPNOTSUPP;
else {
msg->reply = vcc->dev->ops->change_qos(vcc,&msg->qos,
msg->reply);
if (!msg->reply) msg->type = as_okay;
}
while (!(skb = alloc_skb(sizeof(struct atmsvc_msg),GFP_KERNEL)))
schedule();
*(struct atmsvc_msg *) skb_put(skb,sizeof(struct atmsvc_msg)) = *msg;
sigd_put_skb(skb);
}
