FDP driver needs to send the firmware as regular packets
(not fragmented). That's whay the driver should have a way to
get the max packet size for a given connection.
Signed-off-by: Robert Dolca <robert.do...@intel.com>
---
include/net/nfc/nci_core.h | 1 +
net/nfc/nci/data.c | 12 ++++++++++++
2 files changed, 13 insertions(+)
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 42ec342..d79f90e 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -321,6 +321,7 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff
*skb);
void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb);
int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload);
int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb);
+__u8 nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id);
void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb,
__u8 conn_id, int err);
void nci_hci_data_received_cb(void *context, struct sk_buff *skb, int err);
diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c
index 83acd18..056f841 100644
--- a/net/nfc/nci/data.c
+++ b/net/nfc/nci/data.c
@@ -90,6 +90,18 @@ static inline void nci_push_data_hdr(struct nci_dev *ndev,
nci_pbf_set((__u8 *)hdr, pbf);
}
+__u8 nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id)
+{
+ struct nci_conn_info *conn_info;
+
+ conn_info = nci_get_conn_info_by_conn_id(ndev, conn_id);
+ if (!conn_info)
+ return 0;
+
+ return conn_info->max_pkt_payload_len;
+}
+EXPORT_SYMBOL(nci_conn_max_data_pkt_payload_size);
+
static int nci_queue_tx_data_frags(struct nci_dev *ndev,
__u8 conn_id,
struct sk_buff *skb) {
--
1.9.1
--
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