70  *	llc_pdu_type - returns which LLC component must handle for PDU
73  *	This function returns which LLC component must handle this PDU.
77 	int type = LLC_DEST_CONN; /* I-PDU or S-PDU type */  in llc_pdu_type()
78 	struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);  in llc_pdu_type()  local
80 	if ((pdu->ctrl_1 & LLC_PDU_TYPE_MASK) != LLC_PDU_TYPE_U)  in llc_pdu_type()
82 	switch (LLC_U_PDU_CMD(pdu)) {  in llc_pdu_type()
114 	struct llc_pdu_un *pdu;  in llc_fixup_skb()  local
116 	if (unlikely(!pskb_may_pull(skb, sizeof(*pdu))))  in llc_fixup_skb()
119 	pdu = (struct llc_pdu_un *)skb->data;  in llc_fixup_skb()
120 	if ((pdu->ctrl_1 & LLC_PDU_TYPE_MASK) == LLC_PDU_TYPE_U)  in llc_fixup_skb()
144  *	@skb: received pdu
145  *	@dev: device that receive pdu
150  *	checks SAP and connection of received pdu and passes frame to
159 	struct llc_pdu_sn *pdu;  in llc_rcv()  local
179 	pdu = llc_pdu_sn_hdr(skb);  in llc_rcv()
180 	if (unlikely(!pdu->dsap)) /* NULL DSAP, refer to station */  in llc_rcv()
182 	sap = llc_sap_find(pdu->dsap);  in llc_rcv()
185 			pdu->dsap);  in llc_rcv()