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NFC: Add device powered netlink attribute

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For user space to know if a device is up or down.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz
2012-03-05 01:03:34 +01:00
committed by John W. Linville
parent c3b1e1e8a7
commit c970a1ac4e
2 changed files with 4 additions and 0 deletions
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1
include/linux/nfc.h
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@@ -107,6 +107,7 @@ enum nfc_attrs {
NFC_ATTR_TARGET_SENSF_RES, NFC_ATTR_TARGET_SENSF_RES,
NFC_ATTR_COMM_MODE, NFC_ATTR_COMM_MODE,
NFC_ATTR_RF_MODE, NFC_ATTR_RF_MODE,
NFC_ATTR_DEVICE_POWERED,
/* private: internal use only */ /* private: internal use only */
__NFC_ATTR_AFTER_LAST __NFC_ATTR_AFTER_LAST
}; };

3
net/nfc/netlink.c
View File

@@ -48,6 +48,7 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
[NFC_ATTR_PROTOCOLS] = { .type = NLA_U32 }, [NFC_ATTR_PROTOCOLS] = { .type = NLA_U32 },
[NFC_ATTR_COMM_MODE] = { .type = NLA_U8 }, [NFC_ATTR_COMM_MODE] = { .type = NLA_U8 },
[NFC_ATTR_RF_MODE] = { .type = NLA_U8 }, [NFC_ATTR_RF_MODE] = { .type = NLA_U8 },
[NFC_ATTR_DEVICE_POWERED] = { .type = NLA_U8 },
}; };
static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target, static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
@@ -200,6 +201,7 @@ int nfc_genl_device_added(struct nfc_dev *dev)
NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)); NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));
NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx); NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols); NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);
NLA_PUT_U8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up);
genlmsg_end(msg, hdr); genlmsg_end(msg, hdr);
@@ -261,6 +263,7 @@ static int nfc_genl_send_device(struct sk_buff *msg, struct nfc_dev *dev,
NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)); NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));
NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx); NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols); NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);
NLA_PUT_U8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up);
return genlmsg_end(msg, hdr); return genlmsg_end(msg, hdr);