From f743de4858857029bd04e5642134d14546ad1393 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@etherboot.org>
Date: Sat, 27 May 2006 19:01:20 +0000
Subject: [PATCH] Added tcp_kick().  This speed up LILO and GRUB booting by
 almost two orders of magnitude.

---
 src/include/gpxe/tcp.h |  1 +
 src/net/tcp.c          | 13 +++++++++++++
 src/net/tcp/iscsi.c    |  1 +
 3 files changed, 15 insertions(+)

diff --git a/src/include/gpxe/tcp.h b/src/include/gpxe/tcp.h
index 699512bd..6c07f4ae 100644
--- a/src/include/gpxe/tcp.h
+++ b/src/include/gpxe/tcp.h
@@ -93,6 +93,7 @@ extern size_t tcp_buflen;
 extern void tcp_connect ( struct tcp_connection *conn );
 extern void tcp_send ( struct tcp_connection *conn, const void *data,
 		       size_t len );
+extern void tcp_kick ( struct tcp_connection *conn );
 extern void tcp_close ( struct tcp_connection *conn );
 
 #endif /* _GPXE_TCP_H */
diff --git a/src/net/tcp.c b/src/net/tcp.c
index ea26f019..06ab2eea 100644
--- a/src/net/tcp.c
+++ b/src/net/tcp.c
@@ -183,6 +183,19 @@ static void tcp_periodic ( void ) {
 	}
 }
 
+/**
+ * Kick a connection into life
+ *
+ * @v conn	TCP connection
+ *
+ * Call this function when you have new data to send and are not
+ * already being called as part of TCP processing.
+ */
+void tcp_kick ( struct tcp_connection *conn __unused ) {
+	/* Just kick all the connections; this will work for now */
+	tcp_periodic();
+}
+
 /**
  * Single-step the TCP stack
  *
diff --git a/src/net/tcp/iscsi.c b/src/net/tcp/iscsi.c
index 5fa02118..49ccb026 100644
--- a/src/net/tcp/iscsi.c
+++ b/src/net/tcp/iscsi.c
@@ -768,6 +768,7 @@ int iscsi_issue ( struct iscsi_session *iscsi,
 
 	if ( iscsi->status & ISCSI_STATUS_CONNECTED ) {
 		iscsi_start_command ( iscsi );
+		tcp_kick ( &iscsi->tcp );
 	} else {
 		iscsi->tcp.tcp_op = &iscsi_tcp_operations;
 		tcp_connect ( &iscsi->tcp );