35 void nr_output(struct sock *sk, struct sk_buff *skb)  in nr_output()  argument
41 	if (skb->len - NR_TRANSPORT_LEN > NR_MAX_PACKET_SIZE) {  in nr_output()
43 		skb_copy_from_linear_data(skb, transport, NR_TRANSPORT_LEN);  in nr_output()
44 		skb_pull(skb, NR_TRANSPORT_LEN);  in nr_output()
46 		frontlen = skb_headroom(skb);  in nr_output()
48 		while (skb->len > 0) {  in nr_output()
54 			len = (NR_MAX_PACKET_SIZE > skb->len) ? skb->len : NR_MAX_PACKET_SIZE;  in nr_output()
57 			skb_copy_from_linear_data(skb, skb_put(skbn, len), len);  in nr_output()
58 			skb_pull(skb, len);  in nr_output()
64 			if (skb->len > 0)  in nr_output()
70 		kfree_skb(skb);  in nr_output()
72 		skb_queue_tail(&sk->sk_write_queue, skb);		/* Throw it on the queue */  in nr_output()
82 static void nr_send_iframe(struct sock *sk, struct sk_buff *skb)  in nr_send_iframe()  argument
86 	if (skb == NULL)  in nr_send_iframe()
89 	skb->data[2] = nr->vs;  in nr_send_iframe()
90 	skb->data[3] = nr->vr;  in nr_send_iframe()
93 		skb->data[4] |= NR_CHOKE_FLAG;  in nr_send_iframe()
97 	nr_transmit_buffer(sk, skb);  in nr_send_iframe()
102 	struct sk_buff *skb, *skbn;  in nr_send_nak_frame()  local
105 	if ((skb = skb_peek(&nr->ack_queue)) == NULL)  in nr_send_nak_frame()
108 	if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL)  in nr_send_nak_frame()
128 	struct sk_buff *skb, *skbn;  in nr_kick()  local
156 	skb = skb_dequeue(&sk->sk_write_queue);  in nr_kick()
159 		if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {  in nr_kick()
160 			skb_queue_head(&sk->sk_write_queue, skb);  in nr_kick()
176 		skb_queue_tail(&nr->ack_queue, skb);  in nr_kick()
179 		 (skb = skb_dequeue(&sk->sk_write_queue)) != NULL);  in nr_kick()
188 void nr_transmit_buffer(struct sock *sk, struct sk_buff *skb)  in nr_transmit_buffer()  argument
196 	dptr = skb_push(skb, NR_NETWORK_LEN);  in nr_transmit_buffer()
212 	if (!nr_route_frame(skb, NULL)) {  in nr_transmit_buffer()
213 		kfree_skb(skb);  in nr_transmit_buffer()