1 /*
2 * Copyright (c) 2024 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 /**
8 * @brief File containing VIF handling specific definitions for the
9 * FMAC IF Layer of the Wi-Fi driver.
10 */
11
12 #include "system/fmac_vif.h"
13 #include "host_rpu_umac_if.h"
14 #include "common/fmac_util.h"
15
16
nrf_wifi_fmac_vif_check_if_limit(struct nrf_wifi_fmac_dev_ctx * fmac_dev_ctx,int if_type)17 int nrf_wifi_fmac_vif_check_if_limit(struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx,
18 int if_type)
19 {
20 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx;
21
22 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
23
24 switch (if_type) {
25 case NRF_WIFI_IFTYPE_STATION:
26 case NRF_WIFI_IFTYPE_P2P_CLIENT:
27 if (sys_dev_ctx->num_sta >= MAX_NUM_STAS) {
28 nrf_wifi_osal_log_err("%s: Maximum STA Interface type exceeded",
29 __func__);
30 return -1;
31 }
32 break;
33 case NRF_WIFI_IFTYPE_AP:
34 case NRF_WIFI_IFTYPE_P2P_GO:
35 if (sys_dev_ctx->num_ap >= MAX_NUM_APS) {
36 nrf_wifi_osal_log_err("%s: Maximum AP Interface type exceeded",
37 __func__);
38 return -1;
39 }
40 break;
41 default:
42 nrf_wifi_osal_log_err("%s: Interface type not supported",
43 __func__);
44 return -1;
45 }
46
47 return 0;
48 }
49
50
nrf_wifi_fmac_vif_incr_if_type(struct nrf_wifi_fmac_dev_ctx * fmac_dev_ctx,int if_type)51 void nrf_wifi_fmac_vif_incr_if_type(struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx,
52 int if_type)
53 {
54 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx;
55
56 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
57
58 switch (if_type) {
59 case NRF_WIFI_IFTYPE_STATION:
60 case NRF_WIFI_IFTYPE_P2P_CLIENT:
61 sys_dev_ctx->num_sta++;
62 break;
63 case NRF_WIFI_IFTYPE_AP:
64 case NRF_WIFI_IFTYPE_P2P_GO:
65 sys_dev_ctx->num_ap++;
66 break;
67 default:
68 nrf_wifi_osal_log_err("%s:Unsupported VIF type",
69 __func__);
70 }
71 }
72
73
nrf_wifi_fmac_vif_decr_if_type(struct nrf_wifi_fmac_dev_ctx * fmac_dev_ctx,int if_type)74 void nrf_wifi_fmac_vif_decr_if_type(struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx,
75 int if_type)
76 {
77 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx;
78
79 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
80
81 switch (if_type) {
82 case NRF_WIFI_IFTYPE_STATION:
83 case NRF_WIFI_IFTYPE_P2P_CLIENT:
84 sys_dev_ctx->num_sta--;
85 break;
86 case NRF_WIFI_IFTYPE_AP:
87 case NRF_WIFI_IFTYPE_P2P_GO:
88 sys_dev_ctx->num_ap--;
89 break;
90 default:
91 nrf_wifi_osal_log_err("%s:Unsupported VIF type",
92 __func__);
93 }
94 }
95
96
nrf_wifi_fmac_vif_clear_ctx(void * dev_ctx,unsigned char if_idx)97 void nrf_wifi_fmac_vif_clear_ctx(void *dev_ctx,
98 unsigned char if_idx)
99 {
100 struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx = NULL;
101 struct nrf_wifi_fmac_vif_ctx *vif_ctx = NULL;
102 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx;
103
104 fmac_dev_ctx = dev_ctx;
105 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
106
107 vif_ctx = sys_dev_ctx->vif_ctx[if_idx];
108
109 nrf_wifi_osal_mem_free(vif_ctx);
110 sys_dev_ctx->vif_ctx[if_idx] = NULL;
111 }
112
113
nrf_wifi_fmac_vif_update_if_type(void * dev_ctx,unsigned char if_idx,int if_type)114 void nrf_wifi_fmac_vif_update_if_type(void *dev_ctx,
115 unsigned char if_idx,
116 int if_type)
117 {
118 struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx = NULL;
119 struct nrf_wifi_fmac_vif_ctx *vif_ctx = NULL;
120 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx = NULL;
121
122 fmac_dev_ctx = dev_ctx;
123 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
124
125 vif_ctx = sys_dev_ctx->vif_ctx[if_idx];
126
127 nrf_wifi_fmac_vif_decr_if_type(fmac_dev_ctx,
128 vif_ctx->if_type);
129
130 nrf_wifi_fmac_vif_incr_if_type(fmac_dev_ctx,
131 if_type);
132
133 vif_ctx->if_type = if_type;
134 }
135
nrf_wifi_fmac_get_num_vifs(void * dev_ctx)136 unsigned int nrf_wifi_fmac_get_num_vifs(void *dev_ctx)
137 {
138 struct nrf_wifi_fmac_dev_ctx *fmac_dev_ctx = dev_ctx;
139 struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx = NULL;
140
141 sys_dev_ctx = wifi_dev_priv(fmac_dev_ctx);
142
143 if (!fmac_dev_ctx) {
144 /* Don't return error here, as FMAC might be initialized based
145 * the number of VIFs.
146 */
147 return 0;
148 }
149
150 return sys_dev_ctx->num_sta + sys_dev_ctx->num_ap;
151 }
152
