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40d07030 AP |
1 | /* |
2 | * Marvell Wireless LAN device driver: AP specific command handling | |
3 | * | |
4 | * Copyright (C) 2012, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include "main.h" | |
21 | ||
4db16a18 AP |
22 | /* Parse AP config structure and prepare TLV based command structure |
23 | * to be sent to FW for uAP configuration | |
24 | */ | |
25 | static int mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, | |
26 | u16 cmd_action, void *cmd_buf) | |
27 | { | |
28 | u8 *tlv; | |
29 | struct host_cmd_ds_sys_config *sys_config = &cmd->params.uap_sys_config; | |
30 | struct host_cmd_tlv_channel_band *chan_band; | |
31 | struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; | |
32 | u16 cmd_size; | |
33 | ||
34 | cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); | |
35 | cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); | |
36 | ||
37 | sys_config->action = cpu_to_le16(cmd_action); | |
38 | ||
39 | tlv = sys_config->tlv; | |
40 | ||
41 | if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) { | |
42 | chan_band = (struct host_cmd_tlv_channel_band *)tlv; | |
43 | chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); | |
44 | chan_band->tlv.len = | |
45 | cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - | |
46 | sizeof(struct host_cmd_tlv)); | |
47 | chan_band->band_config = bss_cfg->band_cfg; | |
48 | chan_band->channel = bss_cfg->channel; | |
49 | cmd_size += sizeof(struct host_cmd_tlv_channel_band); | |
50 | tlv += sizeof(struct host_cmd_tlv_channel_band); | |
51 | } | |
52 | ||
53 | cmd->size = cpu_to_le16(cmd_size); | |
54 | return 0; | |
55 | } | |
56 | ||
40d07030 AP |
57 | /* This function prepares the AP specific commands before sending them |
58 | * to the firmware. | |
59 | * This is a generic function which calls specific command preparation | |
60 | * routines based upon the command number. | |
61 | */ | |
62 | int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, | |
63 | u16 cmd_action, u32 cmd_oid, | |
64 | void *data_buf, void *cmd_buf) | |
65 | { | |
66 | struct host_cmd_ds_command *cmd = cmd_buf; | |
67 | ||
68 | switch (cmd_no) { | |
4db16a18 AP |
69 | case HostCmd_CMD_UAP_SYS_CONFIG: |
70 | if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, data_buf)) | |
71 | return -1; | |
72 | break; | |
40d07030 AP |
73 | case HostCmd_CMD_UAP_BSS_START: |
74 | case HostCmd_CMD_UAP_BSS_STOP: | |
75 | cmd->command = cpu_to_le16(cmd_no); | |
76 | cmd->size = cpu_to_le16(S_DS_GEN); | |
77 | break; | |
78 | default: | |
79 | dev_err(priv->adapter->dev, | |
80 | "PREP_CMD: unknown cmd %#x\n", cmd_no); | |
81 | return -1; | |
82 | } | |
83 | ||
84 | return 0; | |
85 | } | |
4db16a18 AP |
86 | |
87 | /* This function sets the RF channel for AP. | |
88 | * | |
89 | * This function populates channel information in AP config structure | |
90 | * and sends command to configure channel information in AP. | |
91 | */ | |
92 | int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel) | |
93 | { | |
94 | struct mwifiex_uap_bss_param *bss_cfg; | |
95 | struct wiphy *wiphy = priv->wdev->wiphy; | |
96 | ||
97 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); | |
98 | if (!bss_cfg) | |
99 | return -ENOMEM; | |
100 | ||
101 | bss_cfg->band_cfg = BAND_CONFIG_MANUAL; | |
102 | bss_cfg->channel = channel; | |
103 | ||
104 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, | |
105 | HostCmd_ACT_GEN_SET, 0, bss_cfg)) { | |
106 | wiphy_err(wiphy, "Failed to set the uAP channel\n"); | |
107 | kfree(bss_cfg); | |
108 | return -1; | |
109 | } | |
110 | ||
111 | kfree(bss_cfg); | |
112 | return 0; | |
113 | } |