31 static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)  in x25_receive_data()  argument
37 	if (!pskb_may_pull(skb, X25_STD_MIN_LEN))  in x25_receive_data()
40 	frametype = skb->data[2];  in x25_receive_data()
41 	lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);  in x25_receive_data()
48 		x25_link_control(skb, nb, frametype);  in x25_receive_data()
58 		skb_reset_transport_header(skb);  in x25_receive_data()
61 			queued = x25_process_rx_frame(sk, skb);  in x25_receive_data()
63 			queued = !sk_add_backlog(sk, skb, sk->sk_rcvbuf);  in x25_receive_data()
74 		return x25_rx_call_request(skb, nb, lci);  in x25_receive_data()
81 	if (x25_forward_data(lci, nb, skb)) {  in x25_receive_data()
85 		kfree_skb(skb);  in x25_receive_data()
99 int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,  in x25_lapb_receive_frame()  argument
108 	nskb = skb_copy(skb, GFP_ATOMIC);  in x25_lapb_receive_frame()
111 	kfree_skb(skb);  in x25_lapb_receive_frame()
112 	skb = nskb;  in x25_lapb_receive_frame()
123 	if (!pskb_may_pull(skb, 1))  in x25_lapb_receive_frame()
126 	switch (skb->data[0]) {  in x25_lapb_receive_frame()
129 		skb_pull(skb, 1);  in x25_lapb_receive_frame()
130 		if (x25_receive_data(skb, nb)) {  in x25_lapb_receive_frame()
146 	kfree_skb(skb);  in x25_lapb_receive_frame()
153 	struct sk_buff *skb;  in x25_establish_link()  local
158 		if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {  in x25_establish_link()
162 		ptr  = skb_put(skb, 1);  in x25_establish_link()
174 	skb->protocol = htons(ETH_P_X25);  in x25_establish_link()
175 	skb->dev      = nb->dev;  in x25_establish_link()
177 	dev_queue_xmit(skb);  in x25_establish_link()
182 	struct sk_buff *skb;  in x25_terminate_link()  local
192 	skb = alloc_skb(1, GFP_ATOMIC);  in x25_terminate_link()
193 	if (!skb) {  in x25_terminate_link()
198 	ptr  = skb_put(skb, 1);  in x25_terminate_link()
201 	skb->protocol = htons(ETH_P_X25);  in x25_terminate_link()
202 	skb->dev      = nb->dev;  in x25_terminate_link()
203 	dev_queue_xmit(skb);  in x25_terminate_link()
206 void x25_send_frame(struct sk_buff *skb, struct x25_neigh *nb)  in x25_send_frame()  argument
210 	skb_reset_network_header(skb);  in x25_send_frame()
214 		dptr  = skb_push(skb, 1);  in x25_send_frame()
220 		kfree_skb(skb);  in x25_send_frame()
224 		kfree_skb(skb);  in x25_send_frame()
228 	skb->protocol = htons(ETH_P_X25);  in x25_send_frame()
229 	skb->dev      = nb->dev;  in x25_send_frame()
231 	dev_queue_xmit(skb);  in x25_send_frame()