90 static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, stru…  in lapbeth_rcv()  argument
98 	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)  in lapbeth_rcv()
101 	if (!pskb_may_pull(skb, 2))  in lapbeth_rcv()
111 	len = skb->data[0] + skb->data[1] * 256;  in lapbeth_rcv()
115 	skb_pull(skb, 2);	/* Remove the length bytes */  in lapbeth_rcv()
116 	skb_trim(skb, len);	/* Set the length of the data */  in lapbeth_rcv()
118 	if ((err = lapb_data_received(lapbeth->axdev, skb)) != LAPB_OK) {  in lapbeth_rcv()
126 	kfree_skb(skb);  in lapbeth_rcv()
129 	kfree_skb(skb);  in lapbeth_rcv()
133 static int lapbeth_data_indication(struct net_device *dev, struct sk_buff *skb)  in lapbeth_data_indication()  argument
137 	skb_push(skb, 1);  in lapbeth_data_indication()
139 	if (skb_cow(skb, 1))  in lapbeth_data_indication()
142 	ptr  = skb->data;  in lapbeth_data_indication()
145 	skb->protocol = x25_type_trans(skb, dev);  in lapbeth_data_indication()
146 	return netif_rx(skb);  in lapbeth_data_indication()
152 static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,  in lapbeth_xmit()  argument
164 	switch (skb->data[0]) {  in lapbeth_xmit()
179 	skb_pull(skb, 1);  in lapbeth_xmit()
181 	if ((err = lapb_data_request(dev, skb)) != LAPB_OK) {  in lapbeth_xmit()
188 	kfree_skb(skb);  in lapbeth_xmit()
192 static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb)  in lapbeth_data_transmit()  argument
197 	int size = skb->len;  in lapbeth_data_transmit()
199 	skb->protocol = htons(ETH_P_X25);  in lapbeth_data_transmit()
201 	ptr = skb_push(skb, 2);  in lapbeth_data_transmit()
209 	skb->dev = dev = lapbeth->ethdev;  in lapbeth_data_transmit()
211 	dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0);  in lapbeth_data_transmit()
213 	dev_queue_xmit(skb);  in lapbeth_data_transmit()
219 	struct sk_buff *skb = dev_alloc_skb(1);  in lapbeth_connected()  local
221 	if (!skb) {  in lapbeth_connected()
226 	ptr  = skb_put(skb, 1);  in lapbeth_connected()
229 	skb->protocol = x25_type_trans(skb, dev);  in lapbeth_connected()
230 	netif_rx(skb);  in lapbeth_connected()
236 	struct sk_buff *skb = dev_alloc_skb(1);  in lapbeth_disconnected()  local
238 	if (!skb) {  in lapbeth_disconnected()
243 	ptr  = skb_put(skb, 1);  in lapbeth_disconnected()
246 	skb->protocol = x25_type_trans(skb, dev);  in lapbeth_disconnected()
247 	netif_rx(skb);  in lapbeth_disconnected()