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| author | Ilan Elias <ilane@ti.com> | 2011-12-20 16:57:41 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-04 14:30:39 -0500 |
| commit | 004161cb52ac49bc17f6528543c1cecbd728f750 (patch) | |
| tree | 61701dba816c42e77dc9f941d0e66a8887067919 /net/nfc/nci | |
| parent | 637d85a7cdfe4240a56da7d70cf95cca65ea21d3 (diff) | |
| download | lwn-004161cb52ac49bc17f6528543c1cecbd728f750.tar.gz lwn-004161cb52ac49bc17f6528543c1cecbd728f750.zip | |
NFC: Handle error during NCI data exchange
Add support for NCI Interface Error Notification.
When this notification is received and we're during a
data exchange transaction, indicate an error to the NFC
core layer via the data exchange callback.
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/nfc/nci')
| -rw-r--r-- | net/nfc/nci/ntf.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index c8813eda7865..352f7a2321d9 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -71,6 +71,20 @@ static void nci_core_conn_credits_ntf_packet(struct nci_dev *ndev, queue_work(ndev->tx_wq, &ndev->tx_work); } +static void nci_core_conn_intf_error_ntf_packet(struct nci_dev *ndev, + struct sk_buff *skb) +{ + struct nci_core_intf_error_ntf *ntf = (void *) skb->data; + + ntf->conn_id = nci_conn_id(&ntf->conn_id); + + pr_debug("status 0x%x, conn_id %d\n", ntf->status, ntf->conn_id); + + /* complete the data exchange transaction, if exists */ + if (test_bit(NCI_DATA_EXCHANGE, &ndev->flags)) + nci_data_exchange_complete(ndev, NULL, -EIO); +} + static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev, struct nci_rf_intf_activated_ntf *ntf, __u8 *data) { @@ -280,6 +294,10 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb) nci_core_conn_credits_ntf_packet(ndev, skb); break; + case NCI_OP_CORE_INTF_ERROR_NTF: + nci_core_conn_intf_error_ntf_packet(ndev, skb); + break; + case NCI_OP_RF_INTF_ACTIVATED_NTF: nci_rf_intf_activated_ntf_packet(ndev, skb); break; |