+/**
+ * llc_sap_mcast - Deliver multicast PDU's to all matching datagram sockets.
+ * @sap: SAP
+ * @laddr: address of local LLC (MAC + SAP)
+ *
+ * Search socket list of the SAP and finds connections with same sap.
+ * Deliver clone to each.
+ */
+static void llc_sap_mcast(struct llc_sap *sap,
+ const struct llc_addr *laddr,
+ struct sk_buff *skb)
+{
+ struct sock *sk;
+ struct hlist_node *node;
+
+ read_lock_bh(&sap->sk_list.lock);
+ sk_for_each(sk, node, &sap->sk_list.list) {
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *skb1;
+
+ if (sk->sk_type != SOCK_DGRAM)
+ continue;
+
+ if (llc->laddr.lsap != laddr->lsap)
+ continue;
+
+ if (llc->dev != skb->dev)
+ continue;
+
+ skb1 = skb_clone(skb, GFP_ATOMIC);
+ if (!skb1)
+ break;
+
+ sock_hold(sk);
+ skb_set_owner_r(skb1, sk);
+ llc_sap_rcv(sap, skb1);
+ sock_put(sk);
+ }
+ read_unlock_bh(&sap->sk_list.lock);
+}
+
+