Add concept of transfer metadata, to be used by UDP in order to

implement sendto()/recvfrom() equivalents.

3 files changed, 9 insertions, 3 deletions

diff --git a/src/net/tcp.c b/src/net/tcp.c
index 830e8d50e..00c7b7423 100644
--- a/src/net/tcp.c
+++ b/src/net/tcp.c
@@ -930,10 +930,12 @@ static int tcp_xfer_seek ( struct xfer_interface *xfer, off_t offset,
  *
  * @v xfer		Data transfer interface
  * @v iobuf		Datagram I/O buffer
+ * @v meta		Data transfer metadata, or NULL
  * @ret rc		Return status code
  */
 static int tcp_xfer_deliver_iob ( struct xfer_interface *xfer,
-				  struct io_buffer *iobuf ) {
+				  struct io_buffer *iobuf,
+				  struct xfer_metadata *meta __unused ) {
 	struct tcp_connection *tcp =
 		container_of ( xfer, struct tcp_connection, xfer );
 
diff --git a/src/net/tcp/ftp.c b/src/net/tcp/ftp.c
index f90e7931c..b027d912a 100644
--- a/src/net/tcp/ftp.c
+++ b/src/net/tcp/ftp.c
@@ -338,10 +338,12 @@ static void ftp_data_closed ( struct xfer_interface *data, int rc ) {
  *
  * @v xfer		FTP data channel interface
  * @v iobuf		I/O buffer
+ * @v meta		Data transfer metadata, or NULL
  * @ret rc		Return status code
  */
 static int ftp_data_deliver_iob ( struct xfer_interface *data,
-				  struct io_buffer *iobuf ) {
+				  struct io_buffer *iobuf,
+				  struct xfer_metadata *meta __unused ) {
 	struct ftp_request *ftp =
 		container_of ( data, struct ftp_request, data );
 	int rc;
diff --git a/src/net/tcp/http.c b/src/net/tcp/http.c
index cdd6fb91c..dcd0d3a36 100644
--- a/src/net/tcp/http.c
+++ b/src/net/tcp/http.c
@@ -316,10 +316,12 @@ static int http_rx_data ( struct http_request *http,
  *
  * @v socket		Transport layer interface
  * @v iobuf		I/O buffer
+ * @v meta		Data transfer metadata, or NULL
  * @ret rc		Return status code
  */
 static int http_socket_deliver_iob ( struct xfer_interface *socket,
-				     struct io_buffer *iobuf ) {
+				     struct io_buffer *iobuf,
+				     struct xfer_metadata *meta __unused ) {
 	struct http_request *http =
 		container_of ( socket, struct http_request, socket );
 	struct http_line_handler *lh;