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| author | Samuel Ortiz <sameo@linux.intel.com> | 2013-05-10 17:07:32 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-06-14 13:45:02 +0200 |
| commit | be0856535c64697685af47c5bf2be9f36ab5ca08 (patch) | |
| tree | 7660c74894de0a6116bcaaf12c9c181e7fd79425 /net/nfc | |
| parent | c531c9ec2969860c98a8a47f501c4874278388d3 (diff) | |
| download | lwn-be0856535c64697685af47c5bf2be9f36ab5ca08.tar.gz lwn-be0856535c64697685af47c5bf2be9f36ab5ca08.zip | |
NFC: Add secure element enablement netlink API
Enabling or disabling an NFC accessible secure element through netlink
requires giving both an NFC controller and a secure element indexes.
Once enabled the secure element will handle card emulation once polling
starts.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
| -rw-r--r-- | net/nfc/netlink.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 8a11a3a27e69..b05ad909778f 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -1145,6 +1145,52 @@ free_msg: return -EMSGSIZE; } +static int nfc_genl_enable_se(struct sk_buff *skb, struct genl_info *info) +{ + struct nfc_dev *dev; + int rc; + u32 idx, se_idx; + + if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || + !info->attrs[NFC_ATTR_SE_INDEX]) + return -EINVAL; + + idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); + se_idx = nla_get_u32(info->attrs[NFC_ATTR_SE_INDEX]); + + dev = nfc_get_device(idx); + if (!dev) + return -ENODEV; + + rc = nfc_enable_se(dev, se_idx); + + nfc_put_device(dev); + return rc; +} + +static int nfc_genl_disable_se(struct sk_buff *skb, struct genl_info *info) +{ + struct nfc_dev *dev; + int rc; + u32 idx, se_idx; + + if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || + !info->attrs[NFC_ATTR_SE_INDEX]) + return -EINVAL; + + idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); + se_idx = nla_get_u32(info->attrs[NFC_ATTR_SE_INDEX]); + + dev = nfc_get_device(idx); + if (!dev) + return -ENODEV; + + rc = nfc_disable_se(dev, se_idx); + + nfc_put_device(dev); + return rc; +} + static struct genl_ops nfc_genl_ops[] = { { .cmd = NFC_CMD_GET_DEVICE, @@ -1209,6 +1255,16 @@ static struct genl_ops nfc_genl_ops[] = { .doit = nfc_genl_fw_upload, .policy = nfc_genl_policy, }, + { + .cmd = NFC_CMD_ENABLE_SE, + .doit = nfc_genl_enable_se, + .policy = nfc_genl_policy, + }, + { + .cmd = NFC_CMD_DISABLE_SE, + .doit = nfc_genl_disable_se, + .policy = nfc_genl_policy, + }, }; |