diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 19110f0eb15f2d0b15bafbdd8109f155004db7f5..38a523c621329f25d36b595bcad59dca9bef6a7d 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1078,27 +1078,23 @@ static int pn533_start_poll_complete(struct pn533 *dev, void *arg,
return 0;
}
-static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
+static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols)
+{
+ return 0;
+}
+
+static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols)
{
struct pn533 *dev = nfc_get_drvdata(nfc_dev);
struct pn533_poll_modulations *start_mod;
int rc;
- nfc_dev_dbg(&dev->interface->dev, "%s - protocols=0x%x", __func__,
- protocols);
-
if (dev->poll_mod_count) {
nfc_dev_err(&dev->interface->dev, "Polling operation already"
" active");
return -EBUSY;
}
- if (dev->tgt_active_prot) {
- nfc_dev_err(&dev->interface->dev, "Cannot poll with a target"
- " already activated");
- return -EBUSY;
- }
-
pn533_poll_create_mod_list(dev, protocols);
if (!dev->poll_mod_count) {
@@ -1135,6 +1131,29 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
return rc;
}
+static int pn533_start_poll(struct nfc_dev *nfc_dev,
+ u32 im_protocols, u32 tm_protocols)
+{
+ struct pn533 *dev = nfc_get_drvdata(nfc_dev);
+
+ nfc_dev_dbg(&dev->interface->dev,
+ "%s: im protocols 0x%x tm protocols 0x%x",
+ __func__, im_protocols, tm_protocols);
+
+ if (dev->tgt_active_prot) {
+ nfc_dev_err(&dev->interface->dev,
+ "Cannot poll with a target already activated");
+ return -EBUSY;
+ }
+
+ if (!tm_protocols)
+ return pn533_start_im_poll(nfc_dev, im_protocols);
+ else if (!im_protocols)
+ return pn533_init_target(nfc_dev, tm_protocols);
+ else
+ return -EINVAL;
+}
+
static void pn533_stop_poll(struct nfc_dev *nfc_dev)
{
struct pn533 *dev = nfc_get_drvdata(nfc_dev);
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c
index 281f18c2fb8282670c4dd6dab4593ab4ef3cc4b8..457eac35dc7486dd8fcfe48195585316081d72ce 100644
--- a/drivers/nfc/pn544_hci.c
+++ b/drivers/nfc/pn544_hci.c
@@ -576,7 +576,8 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb)
return pn544_hci_i2c_write(client, skb->data, skb->len);
}
-static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
+static int pn544_hci_start_poll(struct nfc_shdlc *shdlc,
+ u32 im_protocols, u32 tm_protocols)
{
struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
u8 phases = 0;
@@ -584,7 +585,8 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
u8 duration[2];
u8 activated;
- pr_info(DRIVER_DESC ": %s protocols = %d\n", __func__, protocols);
+ pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n",
+ __func__, im_protocols, tm_protocols);
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
@@ -604,10 +606,10 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
if (r < 0)
return r;
- if (protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
+ if (im_protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
NFC_PROTO_JEWEL_MASK))
phases |= 1; /* Type A */
- if (protocols & NFC_PROTO_FELICA_MASK) {
+ if (im_protocols & NFC_PROTO_FELICA_MASK) {
phases |= (1 << 2); /* Type F 212 */
phases |= (1 << 3); /* Type F 424 */
}
diff --git a/include/linux/nfc.h b/include/linux/nfc.h
index 0ae9b5857c83b0786a9f7ea92ffe51991c34a1b8..548715881fb055afd6f5f6abd2489ee38fc0256d 100644
--- a/include/linux/nfc.h
+++ b/include/linux/nfc.h
@@ -94,6 +94,8 @@ enum nfc_commands {
* @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes
* @NFC_ATTR_COMM_MODE: Passive or active mode
* @NFC_ATTR_RF_MODE: Initiator or target
+ * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for
+ * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for
*/
enum nfc_attrs {
NFC_ATTR_UNSPEC,
@@ -109,6 +111,8 @@ enum nfc_attrs {
NFC_ATTR_COMM_MODE,
NFC_ATTR_RF_MODE,
NFC_ATTR_DEVICE_POWERED,
+ NFC_ATTR_IM_PROTOCOLS,
+ NFC_ATTR_TM_PROTOCOLS,
/* private: internal use only */
__NFC_ATTR_AFTER_LAST
};
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 4467c9460857a5d18e3d6dde187875a05b1c4586..e30e6a869714886c3d8be91d67f2d5c870250bc9 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -31,7 +31,8 @@ struct nfc_hci_ops {
void (*close) (struct nfc_hci_dev *hdev);
int (*hci_ready) (struct nfc_hci_dev *hdev);
int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
- int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols);
+ int (*start_poll) (struct nfc_hci_dev *hdev,
+ u32 im_protocols, u32 tm_protocols);
int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
struct nfc_target *target);
int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 3116f923f6076834521d5bfa1aaf80c05a785d1b..97aa0e81aa8311ad6d52503472f56bd6bedf5408 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -53,7 +53,8 @@ struct nfc_target;
struct nfc_ops {
int (*dev_up)(struct nfc_dev *dev);
int (*dev_down)(struct nfc_dev *dev);
- int (*start_poll)(struct nfc_dev *dev, u32 protocols);
+ int (*start_poll)(struct nfc_dev *dev,
+ u32 im_protocols, u32 tm_protocols);
void (*stop_poll)(struct nfc_dev *dev);
int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target,
u8 comm_mode, u8 *gb, size_t gb_len);
diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h
index ab06afd462daf4eb5fb3270cc4ba096ece3f41f9..35e930d2f638e2a43146af66d3b0d6c9d4f2371f 100644
--- a/include/net/nfc/shdlc.h
+++ b/include/net/nfc/shdlc.h
@@ -27,7 +27,8 @@ struct nfc_shdlc_ops {
void (*close) (struct nfc_shdlc *shdlc);
int (*hci_ready) (struct nfc_shdlc *shdlc);
int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb);
- int (*start_poll) (struct nfc_shdlc *shdlc, u32 protocols);
+ int (*start_poll) (struct nfc_shdlc *shdlc,
+ u32 im_protocols, u32 tm_protocols);
int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate,
struct nfc_target *target);
int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate,
diff --git a/net/nfc/core.c b/net/nfc/core.c
index f5a43f701a9e7687ab7e2f264e5fe9d8d8b1e78c..c83717bfcb8a4894a071a8219354caba2f67dade 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -121,14 +121,14 @@ int nfc_dev_down(struct nfc_dev *dev)
* The device remains polling for targets until a target is found or
* the nfc_stop_poll function is called.
*/
-int nfc_start_poll(struct nfc_dev *dev, u32 protocols)
+int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols)
{
int rc;
- pr_debug("dev_name=%s protocols=0x%x\n",
- dev_name(&dev->dev), protocols);
+ pr_debug("dev_name %s initiator protocols 0x%x target protocols 0x%x\n",
+ dev_name(&dev->dev), im_protocols, tm_protocols);
- if (!protocols)
+ if (!im_protocols && !tm_protocols)
return -EINVAL;
device_lock(&dev->dev);
@@ -143,7 +143,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 protocols)
goto error;
}
- rc = dev->ops->start_poll(dev, protocols);
+ rc = dev->ops->start_poll(dev, im_protocols, tm_protocols);
if (!rc)
dev->polling = true;
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index e1a640d2b588eedbe4f0a32b8f24cbfb74b1ff64..281f3a3bec00e42945271fb45f4258295969817a 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -481,12 +481,13 @@ static int hci_dev_down(struct nfc_dev *nfc_dev)
return 0;
}
-static int hci_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
+static int hci_start_poll(struct nfc_dev *nfc_dev,
+ u32 im_protocols, u32 tm_protocols)
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
if (hdev->ops->start_poll)
- return hdev->ops->start_poll(hdev, protocols);
+ return hdev->ops->start_poll(hdev, im_protocols, tm_protocols);
else
return nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
diff --git a/net/nfc/hci/shdlc.c b/net/nfc/hci/shdlc.c
index 5665dc6d893a0800048abeba14d996c4f82b6d98..6b836e6242b7f91205331fb169e6da2e3c4db2e9 100644
--- a/net/nfc/hci/shdlc.c
+++ b/net/nfc/hci/shdlc.c
@@ -765,14 +765,16 @@ static int nfc_shdlc_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb)
return 0;
}
-static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev, u32 protocols)
+static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev,
+ u32 im_protocols, u32 tm_protocols)
{
struct nfc_shdlc *shdlc = nfc_hci_get_clientdata(hdev);
pr_debug("\n");
if (shdlc->ops->start_poll)
- return shdlc->ops->start_poll(shdlc, protocols);
+ return shdlc->ops->start_poll(shdlc,
+ im_protocols, tm_protocols);
return 0;
}
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index d560e6f13072037a51fece26bd917bdb275b02e7..0f718982f808f167a04f6913c8be83e4f7027f40 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -387,7 +387,8 @@ static int nci_dev_down(struct nfc_dev *nfc_dev)
return nci_close_device(ndev);
}
-static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
+static int nci_start_poll(struct nfc_dev *nfc_dev,
+ __u32 im_protocols, __u32 tm_protocols)
{
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
int rc;
@@ -413,11 +414,11 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
return -EBUSY;
}
- rc = nci_request(ndev, nci_rf_discover_req, protocols,
+ rc = nci_request(ndev, nci_rf_discover_req, im_protocols,
msecs_to_jiffies(NCI_RF_DISC_TIMEOUT));
if (!rc)
- ndev->poll_prots = protocols;
+ ndev->poll_prots = im_protocols;
return rc;
}
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 581d419083aafd9110f06715b4ccfaebc4e0e211..a18fd56798fc58273c6709cf664d24a2dbe7ee85 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -49,6 +49,8 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
[NFC_ATTR_COMM_MODE] = { .type = NLA_U8 },
[NFC_ATTR_RF_MODE] = { .type = NLA_U8 },
[NFC_ATTR_DEVICE_POWERED] = { .type = NLA_U8 },
+ [NFC_ATTR_IM_PROTOCOLS] = { .type = NLA_U32 },
+ [NFC_ATTR_TM_PROTOCOLS] = { .type = NLA_U32 },
};
static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
@@ -519,16 +521,25 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
struct nfc_dev *dev;
int rc;
u32 idx;
- u32 protocols;
+ u32 im_protocols = 0, tm_protocols = 0;
pr_debug("Poll start\n");
if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
- !info->attrs[NFC_ATTR_PROTOCOLS])
+ ((!info->attrs[NFC_ATTR_IM_PROTOCOLS] &&
+ !info->attrs[NFC_ATTR_PROTOCOLS]) &&
+ !info->attrs[NFC_ATTR_TM_PROTOCOLS]))
return -EINVAL;
idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
- protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
+
+ if (info->attrs[NFC_ATTR_TM_PROTOCOLS])
+ tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_TM_PROTOCOLS]);
+ else if (info->attrs[NFC_ATTR_PROTOCOLS])
+ tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
+
+ if (info->attrs[NFC_ATTR_IM_PROTOCOLS])
+ im_protocols = nla_get_u32(info->attrs[NFC_ATTR_IM_PROTOCOLS]);
dev = nfc_get_device(idx);
if (!dev)
@@ -536,7 +547,7 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&dev->genl_data.genl_data_mutex);
- rc = nfc_start_poll(dev, protocols);
+ rc = nfc_start_poll(dev, im_protocols, tm_protocols);
if (!rc)
dev->genl_data.poll_req_pid = info->snd_pid;
diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
index 3dd4232ae6649a6a2bcc1816a46aa7e443fcec33..7d9708f2a66c1633d458ae716e2fcef631eac098 100644
--- a/net/nfc/nfc.h
+++ b/net/nfc/nfc.h
@@ -158,7 +158,7 @@ int nfc_dev_up(struct nfc_dev *dev);
int nfc_dev_down(struct nfc_dev *dev);
-int nfc_start_poll(struct nfc_dev *dev, u32 protocols);
+int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
int nfc_stop_poll(struct nfc_dev *dev);