1 /******************************************************************************
2 *
3 * Copyright(c) 2019 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 *****************************************************************************/
15 #define _HAL_CAM_C_
16 #include "hal_headers.h"
17
18 /**
19 * This function calls halmac api to configure security cam
20 * @hal: see struct hal_info_t
21 * @sta: sta info of specified address cam entry
22 * @type: encryption type of this key
23 * @ext_key: whether 256bit key or not
24 * @spp: spp mode
25 * @keyid: key index
26 * @keytype: specify unicast or multicast or bip key type
27 * @keybuf: key buffer length according to ext_key
28 * return enum RTW_HAL_STATUS
29 */
30 enum rtw_hal_status
rtw_hal_set_key(void * hal,struct rtw_phl_stainfo_t * sta,u8 type,u8 ext_key,u8 spp,u8 keyid,u8 keytype,u8 * keybuf)31 rtw_hal_set_key(void *hal, struct rtw_phl_stainfo_t *sta, u8 type, u8 ext_key, u8 spp,
32 u8 keyid, u8 keytype, u8 *keybuf)
33 {
34 struct hal_info_t *hal_info = (struct hal_info_t *)hal;
35 enum rtw_hal_status hal_status = RTW_HAL_STATUS_FAILURE;
36 u8 macid = (u8)sta->macid;
37
38 if (keybuf == NULL) {
39 /* delete key */
40 hal_status = rtw_hal_mac_delete_key(hal_info, macid, type, ext_key,
41 spp, keyid, keytype);
42 } else {
43 /* add key */
44 if (ext_key) {
45 hal_status = rtw_hal_mac_add_key(hal_info, macid, type, ext_key,
46 spp, keyid, keytype, keybuf);
47 hal_status = rtw_hal_mac_add_key(hal_info, macid, type, ext_key, spp,
48 keyid, keytype, (keybuf+16));
49 } else {
50 hal_status = rtw_hal_mac_add_key(hal_info, macid, type, 0,
51 spp, keyid, keytype, keybuf);
52 }
53 }
54
55 return hal_status;
56 }
57
58 u32
rtw_hal_search_key_idx(void * hal,struct rtw_phl_stainfo_t * sta,u8 keyid,u8 keytype)59 rtw_hal_search_key_idx(void *hal, struct rtw_phl_stainfo_t *sta,
60 u8 keyid, u8 keytype)
61 {
62 struct hal_info_t *hal_info = (struct hal_info_t *)hal;
63 u32 sec_cam_idx = 0;
64 u8 macid = (u8)sta->macid;
65
66 sec_cam_idx = rtw_hal_mac_search_key_idx(hal_info,
67 macid,
68 keyid,
69 keytype);
70
71 return sec_cam_idx;
72 }