LLCP_SAP_SDP
skb = llcp_add_header(skb, LLCP_SAP_SDP, LLCP_SAP_SDP, LLCP_PDU_SNL);
if (dsap != LLCP_SAP_SDP || ssap != LLCP_SAP_SDP) {
l_sock = nfc_llcp_sock_get(local, ssap, LLCP_SAP_SDP);
llcp_sock = nfc_llcp_sock_get(local, dsap, LLCP_SAP_SDP);
if (dsap != LLCP_SAP_SDP) {
sock = nfc_llcp_sock_get(local, dsap, LLCP_SAP_SDP);
llcp_sock->dsap = LLCP_SAP_SDP;
llcp_sock->dsap = LLCP_SAP_SDP;