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 /** Packet Pool Management (Packet) */
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_packet.h"
29
30 /* Bring in externs for caller checking code. */
31
32 NX_CALLER_CHECKING_EXTERNS
33
34
35 /**************************************************************************/
36 /* */
37 /* FUNCTION RELEASE */
38 /* */
39 /* _nxe_packet_pool_info_get PORTABLE C */
40 /* 6.1 */
41 /* AUTHOR */
42 /* */
43 /* Yuxin Zhou, Microsoft Corporation */
44 /* */
45 /* DESCRIPTION */
46 /* */
47 /* This function checks for errors in the packet pool information get */
48 /* function call. */
49 /* */
50 /* INPUT */
51 /* */
52 /* pool_ptr Pool to get information from */
53 /* total_packets Destination for total packets */
54 /* free_packets Destination for free packets */
55 /* empty_pool_requests Destination for empty requests*/
56 /* empty_pool_suspensions Destination for empty */
57 /* suspensions */
58 /* invalid_packet_releases Destination for invalid packet*/
59 /* release requests */
60 /* */
61 /* OUTPUT */
62 /* */
63 /* status Completion status */
64 /* */
65 /* CALLS */
66 /* */
67 /* _nx_packet_pool_info_get Actual packet pool info get */
68 /* function */
69 /* */
70 /* CALLED BY */
71 /* */
72 /* Application Code */
73 /* */
74 /* RELEASE HISTORY */
75 /* */
76 /* DATE NAME DESCRIPTION */
77 /* */
78 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
79 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
80 /* resulting in version 6.1 */
81 /* */
82 /**************************************************************************/
_nxe_packet_pool_info_get(NX_PACKET_POOL * pool_ptr,ULONG * total_packets,ULONG * free_packets,ULONG * empty_pool_requests,ULONG * empty_pool_suspensions,ULONG * invalid_packet_releases)83 UINT _nxe_packet_pool_info_get(NX_PACKET_POOL *pool_ptr, ULONG *total_packets, ULONG *free_packets,
84 ULONG *empty_pool_requests, ULONG *empty_pool_suspensions,
85 ULONG *invalid_packet_releases)
86 {
87
88 UINT status;
89
90
91 /* Check for invalid input pointers. */
92 if ((pool_ptr == NX_NULL) || (pool_ptr -> nx_packet_pool_id != NX_PACKET_POOL_ID))
93 {
94 return(NX_PTR_ERROR);
95 }
96
97 /* Check for appropriate caller. */
98 NX_NOT_ISR_CALLER_CHECKING
99
100 /* Call actual packet pool information get function. */
101 status = _nx_packet_pool_info_get(pool_ptr, total_packets, free_packets, empty_pool_requests,
102 empty_pool_suspensions, invalid_packet_releases);
103
104 /* Return completion status. */
105 return(status);
106 }
107
108