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NFC: Add target mode activation netlink event

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Userspace gets a netlink event upon target mode activation.
The LLCP layer is also signaled when we get an ATR_REQ in order to get
the remote general bytes.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz
2012-06-01 13:21:13 +02:00
parent ad3823cef6
commit fc40a8c1a0
6 changed files with 136 additions and 2 deletions
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35
net/nfc/core.c
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@@ -455,6 +455,41 @@ u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len)
}
EXPORT_SYMBOL(nfc_get_local_general_bytes);
int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode,
u8 *gb, size_t gb_len)
{
int rc;
device_lock(&dev->dev);
dev->polling = false;
if (gb != NULL) {
rc = nfc_set_remote_general_bytes(dev, gb, gb_len);
if (rc < 0)
goto out;
}
if (protocol == NFC_PROTO_NFC_DEP_MASK)
nfc_dep_link_is_up(dev, 0, comm_mode, NFC_RF_TARGET);
rc = nfc_genl_tm_activated(dev, protocol);
out:
device_unlock(&dev->dev);
return rc;
}
EXPORT_SYMBOL(nfc_tm_activated);
int nfc_tm_deactivated(struct nfc_dev *dev)
{
dev->dep_link_up = false;
return nfc_genl_tm_deactivated(dev);
}
EXPORT_SYMBOL(nfc_tm_deactivated);
/**
* nfc_alloc_send_skb - allocate a skb for data exchange responses
*