From c970a1ac4e75a5d31c7b6e8e9f0bb192b0a511e7 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 5 Mar 2012 01:03:34 +0100 Subject: [PATCH] NFC: Add device powered netlink attribute For user space to know if a device is up or down. Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- include/linux/nfc.h | 1 + net/nfc/netlink.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/include/linux/nfc.h b/include/linux/nfc.h index b4999abcb2a2..39c1fcf089c0 100644 --- a/include/linux/nfc.h +++ b/include/linux/nfc.h @@ -107,6 +107,7 @@ enum nfc_attrs { NFC_ATTR_TARGET_SENSF_RES, NFC_ATTR_COMM_MODE, NFC_ATTR_RF_MODE, + NFC_ATTR_DEVICE_POWERED, /* private: internal use only */ __NFC_ATTR_AFTER_LAST }; diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 07f0348aabf5..a1388e4efd6f 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -48,6 +48,7 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = { [NFC_ATTR_PROTOCOLS] = { .type = NLA_U32 }, [NFC_ATTR_COMM_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, @@ -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_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx); 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); @@ -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_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx); 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); -- 2.34.1