1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** NetX Component */
17 /** */
18 /** Internet Protocol (IP) */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define NX_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "nx_api.h"
29 #include "nx_ip.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _nx_ip_interface_physical_address_set PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Yuxin Zhou, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function sets the physical address to driver. */
45 /* */
46 /* INPUT */
47 /* */
48 /* ip_ptr IP control block pointer */
49 /* interface_index Index of interface */
50 /* physical_msw Physical address MSW */
51 /* physical_lsw Physical address LSW */
52 /* update_driver Update driver or not */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* status Completion status */
57 /* */
58 /* CALLS */
59 /* */
60 /* tx_mutex_get Get protection mutex */
61 /* tx_mutex_put Put protection mutex */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
72 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* */
75 /**************************************************************************/
_nx_ip_interface_physical_address_set(NX_IP * ip_ptr,UINT interface_index,ULONG physical_msw,ULONG physical_lsw,UINT update_driver)76 UINT _nx_ip_interface_physical_address_set(NX_IP *ip_ptr, UINT interface_index,
77 ULONG physical_msw, ULONG physical_lsw, UINT update_driver)
78 {
79 NX_INTERFACE *if_ptr = &(ip_ptr -> nx_ip_interface[interface_index]);
80 NX_IP_DRIVER driver_request;
81
82 /* Initialize the status. */
83 driver_request.nx_ip_driver_status = NX_SUCCESS;
84
85 /* Obtain the IP internal mutex before calling the driver. */
86 tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
87
88 if (update_driver == NX_TRUE)
89 {
90
91 /* Set driver request. */
92 driver_request.nx_ip_driver_physical_address_msw = physical_msw;
93 driver_request.nx_ip_driver_physical_address_lsw = physical_lsw;
94 driver_request.nx_ip_driver_ptr = ip_ptr;
95 driver_request.nx_ip_driver_command = NX_LINK_SET_PHYSICAL_ADDRESS;
96 driver_request.nx_ip_driver_interface = if_ptr;
97
98 /* Call the link driver to set physical address. */
99 (if_ptr -> nx_interface_link_driver_entry)(&driver_request);
100 }
101
102 /* Check status. */
103 if (driver_request.nx_ip_driver_status == NX_SUCCESS)
104 {
105
106 /* Set physical address to interface. */
107 if_ptr -> nx_interface_physical_address_msw = physical_msw;
108 if_ptr -> nx_interface_physical_address_lsw = physical_lsw;
109 }
110
111 /* Release the IP internal mutex. */
112 tx_mutex_put(&(ip_ptr -> nx_ip_protection));
113
114 /* Return completion status. */
115 return(driver_request.nx_ip_driver_status);
116 }
117
118
