46 static __be16 gprs_type_trans(struct sk_buff *skb)  in gprs_type_trans()  argument
51 	pvfc = skb_header_pointer(skb, 0, 1, &buf);  in gprs_type_trans()
88 static int gprs_recv(struct gprs_dev *gp, struct sk_buff *skb)  in gprs_recv()  argument
92 	__be16 protocol = gprs_type_trans(skb);  in gprs_recv()
99 	if (skb_headroom(skb) & 3) {  in gprs_recv()
112 		skb_shinfo(rskb)->frag_list = skb;  in gprs_recv()
113 		rskb->len += skb->len;  in gprs_recv()
118 		skb_walk_frags(skb, fs)  in gprs_recv()
120 		skb->next = skb_shinfo(skb)->frag_list;  in gprs_recv()
121 		skb_frag_list_init(skb);  in gprs_recv()
122 		skb->len -= flen;  in gprs_recv()
123 		skb->data_len -= flen;  in gprs_recv()
124 		skb->truesize -= flen;  in gprs_recv()
126 		skb = rskb;  in gprs_recv()
129 	skb->protocol = protocol;  in gprs_recv()
130 	skb_reset_mac_header(skb);  in gprs_recv()
131 	skb->dev = dev;  in gprs_recv()
135 		dev->stats.rx_bytes += skb->len;  in gprs_recv()
136 		netif_rx(skb);  in gprs_recv()
137 		skb = NULL;  in gprs_recv()
142 	if (skb) {  in gprs_recv()
143 		dev_kfree_skb(skb);  in gprs_recv()
152 	struct sk_buff *skb;  in gprs_data_ready()  local
154 	while ((skb = pep_read(sk)) != NULL) {  in gprs_data_ready()
155 		skb_orphan(skb);  in gprs_data_ready()
156 		gprs_recv(gp, skb);  in gprs_data_ready()
186 static netdev_tx_t gprs_xmit(struct sk_buff *skb, struct net_device *dev)  in gprs_xmit()  argument
192 	switch (skb->protocol) {  in gprs_xmit()
197 		dev_kfree_skb(skb);  in gprs_xmit()
201 	skb_orphan(skb);  in gprs_xmit()
202 	skb_set_owner_w(skb, sk);  in gprs_xmit()
203 	len = skb->len;  in gprs_xmit()
204 	err = pep_write(sk, skb);  in gprs_xmit()