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Commit be9ae4ce authored by Samuel Ortiz's avatar Samuel Ortiz
Browse files

NFC: Introduce target mode tx ops 



And rename the initiator mode data exchange ops for consistency sake.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent f212ad5e

drivers/nfc/pn533.c

+4 −4
Original line number Diff line number Diff line
@@ -1691,7 +1691,7 @@ error: 
	return 0;

}



static int pn533_data_exchange(struct nfc_dev *nfc_dev,

static int pn533_transceive(struct nfc_dev *nfc_dev,

			    struct nfc_target *target, struct sk_buff *skb,

			    data_exchange_cb_t cb, void *cb_context)

{
@@ -1853,7 +1853,7 @@ struct nfc_ops pn533_nfc_ops = { 
	.stop_poll = pn533_stop_poll,

	.activate_target = pn533_activate_target,

	.deactivate_target = pn533_deactivate_target,

	.data_exchange = pn533_data_exchange,

	.im_transceive = pn533_transceive,

};



static int pn533_probe(struct usb_interface *interface,

include/net/nfc/nfc.h

+2 −1
Original line number Diff line number Diff line
@@ -63,9 +63,10 @@ struct nfc_ops { 
			       u32 protocol);

	void (*deactivate_target)(struct nfc_dev *dev,

				  struct nfc_target *target);

	int (*data_exchange)(struct nfc_dev *dev, struct nfc_target *target,

	int (*im_transceive)(struct nfc_dev *dev, struct nfc_target *target,

			     struct sk_buff *skb, data_exchange_cb_t cb,

			     void *cb_context);

	int (*tm_send)(struct nfc_dev *dev, struct sk_buff *skb);

	int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target);

};

net/nfc/core.c

+20 −17
Original line number Diff line number Diff line
@@ -413,12 +413,7 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, 
		goto error;

	}



	if (dev->active_target == NULL) {

		rc = -ENOTCONN;

		kfree_skb(skb);

		goto error;

	}



	if (dev->rf_mode == NFC_RF_INITIATOR && dev->active_target != NULL) {

		if (dev->active_target->idx != target_idx) {

			rc = -EADDRNOTAVAIL;

			kfree_skb(skb);
@@ -428,12 +423,20 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, 
		if (dev->ops->check_presence)

			del_timer_sync(&dev->check_pres_timer);



	rc = dev->ops->data_exchange(dev, dev->active_target, skb, cb,

		rc = dev->ops->im_transceive(dev, dev->active_target, skb, cb,

					     cb_context);



		if (!rc && dev->ops->check_presence)

			mod_timer(&dev->check_pres_timer, jiffies +

				  msecs_to_jiffies(NFC_CHECK_PRES_FREQ_MS));

	} else if (dev->rf_mode == NFC_RF_TARGET && dev->ops->tm_send != NULL) {

		rc = dev->ops->tm_send(dev, skb);

	} else {

		rc = -ENOTCONN;

		kfree_skb(skb);

		goto error;

	}





error:

	device_unlock(&dev->dev);
@@ -727,7 +730,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops, 
	struct nfc_dev *dev;



	if (!ops->start_poll || !ops->stop_poll || !ops->activate_target ||

	    !ops->deactivate_target || !ops->data_exchange)

	    !ops->deactivate_target || !ops->im_transceive)

		return NULL;



	if (!supported_protocols)

net/nfc/hci/core.c

+4 −4
Original line number Diff line number Diff line
@@ -512,7 +512,7 @@ static void hci_deactivate_target(struct nfc_dev *nfc_dev, 
{

}



static int hci_data_exchange(struct nfc_dev *nfc_dev, struct nfc_target *target,

static int hci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,

			  struct sk_buff *skb, data_exchange_cb_t cb,

			  void *cb_context)

{
@@ -580,7 +580,7 @@ static struct nfc_ops hci_nfc_ops = { 
	.stop_poll = hci_stop_poll,

	.activate_target = hci_activate_target,

	.deactivate_target = hci_deactivate_target,

	.data_exchange = hci_data_exchange,

	.im_transceive = hci_transceive,

	.check_presence = hci_check_presence,

};

net/nfc/nci/core.c

+4 −4
Original line number Diff line number Diff line
@@ -522,7 +522,7 @@ static void nci_deactivate_target(struct nfc_dev *nfc_dev, 
	}

}



static int nci_data_exchange(struct nfc_dev *nfc_dev, struct nfc_target *target,

static int nci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,

			  struct sk_buff *skb,

			  data_exchange_cb_t cb, void *cb_context)

{
@@ -557,7 +557,7 @@ static struct nfc_ops nci_nfc_ops = { 
	.stop_poll = nci_stop_poll,

	.activate_target = nci_activate_target,

	.deactivate_target = nci_deactivate_target,

	.data_exchange = nci_data_exchange,

	.im_transceive = nci_transceive,

};



/* ---- Interface to NCI drivers ---- */