--- zzzz-none-000/linux-3.10.107/net/atm/common.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/atm/common.c	2021-11-10 11:53:56.000000000 +0000
@@ -62,11 +62,16 @@
 	write_unlock_irq(&vcc_sklist_lock);
 }
 
+struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL;
+EXPORT_SYMBOL(ifx_atm_alloc_tx);
+
 static struct sk_buff *alloc_tx(struct atm_vcc *vcc, unsigned int size)
 {
 	struct sk_buff *skb;
 	struct sock *sk = sk_atm(vcc);
 
+   if ( ifx_atm_alloc_tx != NULL )
+		return ifx_atm_alloc_tx(vcc, size);
 	if (sk_wmem_alloc_get(sk) && !atm_may_send(vcc, size)) {
 		pr_debug("Sorry: wmem_alloc = %d, size = %d, sndbuf = %d\n",
 			 sk_wmem_alloc_get(sk), size, sk->sk_sndbuf);
@@ -141,6 +146,19 @@
 	.release_cb = vcc_release_cb,
 };
 
+#ifdef CONFIG_LTQ_OAM
+int (*push_oam_pfn)(struct atm_vcc *atmvcc, void *cell) = NULL;
+EXPORT_SYMBOL(push_oam_pfn);
+
+int ifx_push_oam(struct atm_vcc *atmvcc, void *cell)
+{
+       if (push_oam_pfn != NULL)
+               return push_oam_pfn(atmvcc, cell);
+       return -1;
+}
+EXPORT_SYMBOL(ifx_push_oam);
+#endif
+
 int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
 {
 	struct sock *sk;
@@ -165,8 +183,13 @@
 	atomic_set(&sk->sk_rmem_alloc, 0);
 	vcc->push = NULL;
 	vcc->pop = NULL;
-	vcc->owner = NULL;
+    //AVMbk AVMmb ist das AVM code?
+    vcc->owner = NULL;
+#ifdef CONFIG_LTQ_OAM
+	vcc->push_oam = ifx_push_oam;
+#else
 	vcc->push_oam = NULL;
+#endif
 	vcc->release_cb = NULL;
 	vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */
 	vcc->atm_options = vcc->aal_options = 0;
@@ -531,6 +554,8 @@
 	struct sk_buff *skb;
 	int copied, error = -EINVAL;
 
+	msg->msg_namelen = 0;
+
 	if (sock->state != SS_CONNECTED)
 		return -ENOTCONN;
 
@@ -718,6 +743,9 @@
 	if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS)
 		return 0;
 	if (tp->traffic_class != ATM_UBR && !tp->min_pcr && !tp->pcr &&
+#ifdef CONFIG_IFX_ATM
+	    !tp->scr &&
+#endif
 	    !tp->max_pcr)
 		return -EINVAL;
 	if (tp->min_pcr == ATM_MAX_PCR)