32 static u8 llcp_tlv8(const u8 *tlv, u8 type)  in llcp_tlv8()  argument
34 	if (tlv[0] != type || tlv[1] != llcp_tlv_length[tlv[0]])  in llcp_tlv8()
37 	return tlv[2];  in llcp_tlv8()
40 static u16 llcp_tlv16(const u8 *tlv, u8 type)  in llcp_tlv16()  argument
42 	if (tlv[0] != type || tlv[1] != llcp_tlv_length[tlv[0]])  in llcp_tlv16()
45 	return be16_to_cpu(*((__be16 *)(tlv + 2)));  in llcp_tlv16()
49 static u8 llcp_tlv_version(const u8 *tlv)  in llcp_tlv_version()  argument
51 	return llcp_tlv8(tlv, LLCP_TLV_VERSION);  in llcp_tlv_version()
54 static u16 llcp_tlv_miux(const u8 *tlv)  in llcp_tlv_miux()  argument
56 	return llcp_tlv16(tlv, LLCP_TLV_MIUX) & 0x7ff;  in llcp_tlv_miux()
59 static u16 llcp_tlv_wks(const u8 *tlv)  in llcp_tlv_wks()  argument
61 	return llcp_tlv16(tlv, LLCP_TLV_WKS);  in llcp_tlv_wks()
64 static u16 llcp_tlv_lto(const u8 *tlv)  in llcp_tlv_lto()  argument
66 	return llcp_tlv8(tlv, LLCP_TLV_LTO);  in llcp_tlv_lto()
69 static u8 llcp_tlv_opt(const u8 *tlv)  in llcp_tlv_opt()  argument
71 	return llcp_tlv8(tlv, LLCP_TLV_OPT);  in llcp_tlv_opt()
74 static u8 llcp_tlv_rw(const u8 *tlv)  in llcp_tlv_rw()  argument
76 	return llcp_tlv8(tlv, LLCP_TLV_RW) & 0xf;  in llcp_tlv_rw()
81 	u8 *tlv, length;  in nfc_llcp_build_tlv()  local
95 	tlv = kzalloc(2 + length, GFP_KERNEL);  in nfc_llcp_build_tlv()
96 	if (tlv == NULL)  in nfc_llcp_build_tlv()
97 		return tlv;  in nfc_llcp_build_tlv()
99 	tlv[0] = type;  in nfc_llcp_build_tlv()
100 	tlv[1] = length;  in nfc_llcp_build_tlv()
101 	memcpy(tlv + 2, value, length);  in nfc_llcp_build_tlv()
103 	return tlv;  in nfc_llcp_build_tlv()
118 	sdres->tlv = nfc_llcp_build_tlv(LLCP_TLV_SDRES, value, 2,  in nfc_llcp_build_sdres_tlv()
120 	if (sdres->tlv == NULL) {  in nfc_llcp_build_sdres_tlv()
153 	sdreq->tlv = kzalloc(sdreq->tlv_len + 1, GFP_KERNEL);  in nfc_llcp_build_sdreq_tlv()
154 	if (sdreq->tlv == NULL) {  in nfc_llcp_build_sdreq_tlv()
159 	sdreq->tlv[0] = LLCP_TLV_SDREQ;  in nfc_llcp_build_sdreq_tlv()
160 	sdreq->tlv[1] = sdreq->tlv_len - 2;  in nfc_llcp_build_sdreq_tlv()
161 	sdreq->tlv[2] = tid;  in nfc_llcp_build_sdreq_tlv()
164 	sdreq->uri = sdreq->tlv + 3;  in nfc_llcp_build_sdreq_tlv()
176 	kfree(sdp->tlv);  in nfc_llcp_free_sdp_tlv()
195 	const u8 *tlv = tlv_array;  in nfc_llcp_parse_gb_tlv()  local
204 		type = tlv[0];  in nfc_llcp_parse_gb_tlv()
205 		length = tlv[1];  in nfc_llcp_parse_gb_tlv()
211 			local->remote_version = llcp_tlv_version(tlv);  in nfc_llcp_parse_gb_tlv()
214 			local->remote_miu = llcp_tlv_miux(tlv) + 128;  in nfc_llcp_parse_gb_tlv()
217 			local->remote_wks = llcp_tlv_wks(tlv);  in nfc_llcp_parse_gb_tlv()
220 			local->remote_lto = llcp_tlv_lto(tlv) * 10;  in nfc_llcp_parse_gb_tlv()
223 			local->remote_opt = llcp_tlv_opt(tlv);  in nfc_llcp_parse_gb_tlv()
231 		tlv += length + 2;  in nfc_llcp_parse_gb_tlv()
245 	const u8 *tlv = tlv_array;  in nfc_llcp_parse_connection_tlv()  local
254 		type = tlv[0];  in nfc_llcp_parse_connection_tlv()
255 		length = tlv[1];  in nfc_llcp_parse_connection_tlv()
261 			sock->remote_miu = llcp_tlv_miux(tlv) + 128;  in nfc_llcp_parse_connection_tlv()
264 			sock->remote_rw = llcp_tlv_rw(tlv);  in nfc_llcp_parse_connection_tlv()
274 		tlv += length + 2;  in nfc_llcp_parse_connection_tlv()
300 static struct sk_buff *llcp_add_tlv(struct sk_buff *pdu, const u8 *tlv,  in llcp_add_tlv()  argument
305 	if (tlv == NULL)  in llcp_add_tlv()
308 	skb_put_data(pdu, tlv, tlv_length);  in llcp_add_tlv()
567 		skb_put_data(skb, sdp->tlv, sdp->tlv_len);  in nfc_llcp_send_snl_sdres()
599 		skb_put_data(skb, sdreq->tlv, sdreq->tlv_len);  in nfc_llcp_send_snl_sdreq()