1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** NetX Component */
16 /** */
17 /** Internet Protocol (IP) */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define NX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "nx_api.h"
28 #include "nx_ip.h"
29 #include "nx_packet.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _nx_ip_delete_queue_clear PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Yuxin Zhou, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function releases all packets in a packet queue. */
45 /* */
46 /* INPUT */
47 /* */
48 /* head_ptr Pointer to head of queue */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _nx_packet_release Release data packet */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
67 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
_nx_ip_delete_queue_clear(NX_PACKET * head_ptr)71 VOID _nx_ip_delete_queue_clear(NX_PACKET *head_ptr)
72 {
73
74 NX_PACKET *next_packet;
75 NX_PACKET *current_packet;
76
77
78 /* Setup next packet to queue head. */
79 next_packet = head_ptr;
80
81 /* Release any raw IP packets queued up. */
82 while (next_packet)
83 {
84
85 /* Setup the current packet pointer. */
86 current_packet = next_packet;
87
88 /* Move to the next packet. */
89 next_packet = next_packet -> nx_packet_queue_next;
90
91 /* Release the current packet. */
92 _nx_packet_release(current_packet);
93 }
94 }
95
96