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Commit 2663589c authored by Robert Dolca's avatar Robert Dolca Committed by Samuel Ortiz
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NFC: nci: Add function to get max packet size for conn 



FDP driver needs to send the firmware as regular packets
(not fragmented). The driver should have a way to
get the max packet size for a given connection.

Signed-off-by: default avatarRobert Dolca <robert.dolca@intel.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent ea785c09

include/net/nfc/nci_core.h

+1 −0
Original line number Diff line number Diff line
@@ -351,6 +351,7 @@ int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode, 
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);

int 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);

net/nfc/nci/data.c

+12 −0
Original line number Diff line number Diff line
@@ -90,6 +90,18 @@ static inline void nci_push_data_hdr(struct nci_dev *ndev, 
	nci_pbf_set((__u8 *)hdr, pbf);

}



int 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 -EPROTO;



	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) {