firewire: implement asynchronous stream transmission

Allow userspace and other firewire drivers (fw-ipv4 I'm looking at
you!) to send Asynchronous Transmit Streams as described in 7.8.3 of
release 1.1 of the 1394 Open Host Controller Interface Specification.

Signed-off-by: Jay Fenlason <fenlason@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (tweaks)

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 35d0a4bb6d5c..eed2e295eb3c 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -407,6 +407,10 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t,
                 int tcode, int destination_id, int generation, int speed,
                 unsigned long long offset, void *payload, size_t length,
                 fw_transaction_callback_t callback, void *callback_data);
+void fw_send_stream_packet(struct fw_card *card, struct fw_packet *p,
+                int generation, int speed, int channel, int sy, int tag,
+                void *payload, size_t length, fw_packet_callback_t callback);
+
 int fw_cancel_transaction(struct fw_card *card,
                           struct fw_transaction *transaction);
 void fw_flush_transactions(struct fw_card *card);