From: Eric Lapuyade <eric.lapuyade@xxxxxxxxx>
Signed-off-by: Eric Lapuyade <eric.lapuyade@xxxxxxxxx>
Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
---
include/net/nfc/hci.h | 2 ++
include/net/nfc/shdlc.h | 2 ++
net/nfc/hci/core.c | 12 ++++++++++++
net/nfc/hci/shdlc.c | 12 ++++++++++++
4 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 95fc0c2..ae04200 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -39,6 +39,8 @@ struct nfc_hci_ops {
int (*data_exchange) (struct nfc_hci_dev *hdev,
struct nfc_target *target,
struct sk_buff *skb, struct sk_buff **res_skb);
+ int (*check_presence)(struct nfc_hci_dev *hdev,
+ struct nfc_target *target);
};
#define NFC_HCI_MAX_CUSTOM_GATES 15
diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h
index 1071987..ab06afd 100644
--- a/include/net/nfc/shdlc.h
+++ b/include/net/nfc/shdlc.h
@@ -35,6 +35,8 @@ struct nfc_shdlc_ops {
int (*data_exchange) (struct nfc_shdlc *shdlc,
struct nfc_target *target,
struct sk_buff *skb, struct sk_buff **res_skb);
+ int (*check_presence)(struct nfc_shdlc *shdlc,
+ struct nfc_target *target);
};
enum shdlc_state {
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index ef5cd5c9..f7e4f5a 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -574,6 +574,17 @@ static int hci_data_exchange(struct nfc_dev *nfc_dev, struct nfc_target *target,
return 0;
}
+static int hci_check_presence(struct nfc_dev *nfc_dev,
+ struct nfc_target *target)
+{
+ struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+ if (hdev->ops->check_presence)
+ return hdev->ops->check_presence(hdev, target);
+
+ return 0;
+}
+
struct nfc_ops hci_nfc_ops = {
.dev_up = hci_dev_up,
.dev_down = hci_dev_down,
@@ -582,6 +593,7 @@ struct nfc_ops hci_nfc_ops = {
.activate_target = hci_activate_target,
.deactivate_target = hci_deactivate_target,
.data_exchange = hci_data_exchange,
+ .check_presence = hci_check_presence,
};
struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
diff --git a/net/nfc/hci/shdlc.c b/net/nfc/hci/shdlc.c
index 923bdf7..5665dc6 100644
--- a/net/nfc/hci/shdlc.c
+++ b/net/nfc/hci/shdlc.c
@@ -816,6 +816,17 @@ static int nfc_shdlc_data_exchange(struct nfc_hci_dev *hdev,
return -EPERM;
}
+static int nfc_shdlc_check_presence(struct nfc_hci_dev *hdev,
+ struct nfc_target *target)
+{
+ struct nfc_shdlc *shdlc = nfc_hci_get_clientdata(hdev);
+
+ if (shdlc->ops->check_presence)
+ return shdlc->ops->check_presence(shdlc, target);
+
+ return 0;
+}
+
static struct nfc_hci_ops shdlc_ops = {
.open = nfc_shdlc_open,
.close = nfc_shdlc_close,
@@ -825,6 +836,7 @@ static struct nfc_hci_ops shdlc_ops = {
.target_from_gate = nfc_shdlc_target_from_gate,
.complete_target_discovered = nfc_shdlc_complete_target_discovered,
.data_exchange = nfc_shdlc_data_exchange,
+ .check_presence = nfc_shdlc_check_presence,
};
struct nfc_shdlc *nfc_shdlc_allocate(struct nfc_shdlc_ops *ops,
--
1.7.9.1
--
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