4 files changed, 12 insertions, 1 deletions
diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h
index dc36519d16aa..09efcaed7c3f 100644
--- a/include/net/nfc/nci.h
+++ b/include/net/nfc/nci.h
@@ -475,7 +475,7 @@ struct nci_rf_discover_ntf {
 #define NCI_OP_RF_INTF_ACTIVATED_NTF	nci_opcode_pack(NCI_GID_RF_MGMT, 0x05)
 struct activation_params_nfca_poll_iso_dep {
 	__u8	rats_res_len;
-	__u8	rats_res[20];
+	__u8	rats_res[NFC_ATS_MAXSIZE];
 };
 
 struct activation_params_nfcb_poll_iso_dep {
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index ea8595651c38..e180bdf2f82b 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -265,6 +265,10 @@ struct nci_dev {
 	/* stored during intf_activated_ntf */
 	__u8 remote_gb[NFC_MAX_GT_LEN];
 	__u8 remote_gb_len;
+
+	/* stored during intf_activated_ntf */
+	__u8 target_ats[NFC_ATS_MAXSIZE];
+	__u8 target_ats_len;
 };
 
 /* ----- NCI Devices ----- */
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 3a3781838c67..127e6c7d910d 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -86,6 +86,8 @@ struct nfc_ops {
  *	is a type A one. The %sens_res most significant byte must be byte 2
  *	as described by the NFC Forum digital specification (i.e. the platform
  *	configuration one) while %sens_res least significant byte is byte 1.
+ * @ats_len: length of Answer To Select in bytes
+ * @ats: Answer To Select returned by an ISO 14443 Type A target upon activation
  */
 struct nfc_target {
 	u32 idx;
@@ -105,6 +107,8 @@ struct nfc_target {
 	u8 is_iso15693;
 	u8 iso15693_dsfid;
 	u8 iso15693_uid[NFC_ISO15693_UID_MAXSIZE];
+	u8 ats_len;
+	u8 ats[NFC_ATS_MAXSIZE];
 };
 
 /**
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
index 4fa4e979e948..2f5b4be25261 100644
--- a/include/uapi/linux/nfc.h
+++ b/include/uapi/linux/nfc.h
@@ -164,6 +164,7 @@ enum nfc_commands {
  * @NFC_ATTR_VENDOR_SUBCMD: Vendor specific sub command
  * @NFC_ATTR_VENDOR_DATA: Vendor specific data, to be optionally passed
  *	to a vendor specific command implementation
+ * @NFC_ATTR_TARGET_ATS: ISO 14443 type A target Answer To Select
  */
 enum nfc_attrs {
 	NFC_ATTR_UNSPEC,
@@ -198,6 +199,7 @@ enum nfc_attrs {
 	NFC_ATTR_VENDOR_ID,
 	NFC_ATTR_VENDOR_SUBCMD,
 	NFC_ATTR_VENDOR_DATA,
+	NFC_ATTR_TARGET_ATS,
 /* private: internal use only */
 	__NFC_ATTR_AFTER_LAST
 };
@@ -225,6 +227,7 @@ enum nfc_sdp_attr {
 #define NFC_GB_MAXSIZE			48
 #define NFC_FIRMWARE_NAME_MAXSIZE	32
 #define NFC_ISO15693_UID_MAXSIZE	8
+#define NFC_ATS_MAXSIZE			20
 
 /* NFC protocols */
 #define NFC_PROTO_JEWEL		1