summaryrefslogtreecommitdiff
path: root/common/src/nx_ip_driver_deferred_processing.c
diff options
context:
space:
mode:
authorPProvost <[email protected]>2020-05-11 08:54:23 -0600
committerPProvost <[email protected]>2020-05-11 08:54:23 -0600
commit0c4f784459a7564933ed91bf39f00d12608cf91c (patch)
treecfa743731d1cfb11d83119bf1c8d0d942e8c3c73 /common/src/nx_ip_driver_deferred_processing.c
Initial commit
Diffstat (limited to 'common/src/nx_ip_driver_deferred_processing.c')
-rw-r--r--common/src/nx_ip_driver_deferred_processing.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/common/src/nx_ip_driver_deferred_processing.c b/common/src/nx_ip_driver_deferred_processing.c
new file mode 100644
index 00000000..f464d015
--- /dev/null
+++ b/common/src/nx_ip_driver_deferred_processing.c
@@ -0,0 +1,83 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) Microsoft Corporation. All rights reserved. */
+/* */
+/* This software is licensed under the Microsoft Software License */
+/* Terms for Microsoft Azure RTOS. Full text of the license can be */
+/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
+/* and in the root directory of this software. */
+/* */
+/**************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/** */
+/** NetX Component */
+/** */
+/** Internet Protocol (IP) */
+/** */
+/**************************************************************************/
+/**************************************************************************/
+
+#define NX_SOURCE_CODE
+
+
+/* Include necessary system files. */
+
+#include "nx_api.h"
+#include "nx_ip.h"
+
+
+/**************************************************************************/
+/* */
+/* FUNCTION RELEASE */
+/* */
+/* _nx_ip_driver_deferred_processing PORTABLE C */
+/* 6.0 */
+/* AUTHOR */
+/* */
+/* Yuxin Zhou, Microsoft Corporation */
+/* */
+/* DESCRIPTION */
+/* */
+/* This function causes the driver to be called from the IP helper */
+/* thread in order to finish some deferred processing. A typical */
+/* example of this is the transmit complete interrupt. Instead of */
+/* loading the packet inside the transmit complete interrupt, the */
+/* driver can setup some internal variables and call this routine */
+/* to be called subsequently from the IP helper thread to finish */
+/* the transmit complete interrupt processing. */
+/* */
+/* INPUT */
+/* */
+/* ip_ptr Pointer to IP control block */
+/* */
+/* OUTPUT */
+/* */
+/* None */
+/* */
+/* CALLS */
+/* */
+/* tx_event_flags_set Set event flags to wake IP */
+/* helper thread */
+/* */
+/* CALLED BY */
+/* */
+/* Application Driver */
+/* */
+/* RELEASE HISTORY */
+/* */
+/* DATE NAME DESCRIPTION */
+/* */
+/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
+/* */
+/**************************************************************************/
+VOID _nx_ip_driver_deferred_processing(NX_IP *ip_ptr)
+{
+
+ /* Set event flags to wake the IP helper thread, which will in turn
+ call the driver with the NX_LINK_DEFERRED_PROCESSING command. */
+ tx_event_flags_set(&(ip_ptr -> nx_ip_events), NX_IP_DRIVER_DEFERRED_EVENT, TX_OR);
+}
+