drivers/net/wireless/ti/wl18xx/cmd.c

   1 /*
   2  * This file is part of wl18xx
   3  *
   4  * Copyright (C) 2011 Texas Instruments Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include "../wlcore/cmd.h"
  23 #include "../wlcore/debug.h"
  24 #include "../wlcore/hw_ops.h"
  25
  26 #include "cmd.h"
  27
  28 int wl18xx_cmd_channel_switch(struct wl1271 *wl,
  29                               struct wl12xx_vif *wlvif,
  30                               struct ieee80211_channel_switch *ch_switch)
  31 {
  32         struct wl18xx_cmd_channel_switch *cmd;
  33         u32 supported_rates;
  34         int ret;
  35
  36         wl1271_debug(DEBUG_ACX, "cmd channel switch (count=%d)",
  37                      ch_switch->count);
  38
  39         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  40         if (!cmd) {
  41                 ret = -ENOMEM;
  42                 goto out;
  43         }
  44
  45         cmd->role_id = wlvif->role_id;
  46         cmd->channel = ch_switch->chandef.chan->hw_value;
  47         cmd->switch_time = ch_switch->count;
  48         cmd->stop_tx = ch_switch->block_tx;
  49
  50         switch (ch_switch->chandef.chan->band) {
  51         case NL80211_BAND_2GHZ:
  52                 cmd->band = WLCORE_BAND_2_4GHZ;
  53                 break;
  54         case NL80211_BAND_5GHZ:
  55                 cmd->band = WLCORE_BAND_5GHZ;
  56                 break;
  57         default:
  58                 wl1271_error("invalid channel switch band: %d",
  59                              ch_switch->chandef.chan->band);
  60                 ret = -EINVAL;
  61                 goto out_free;
  62         }
  63
  64         supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES;
  65         if (wlvif->bss_type == BSS_TYPE_STA_BSS)
  66                 supported_rates |= wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
  67         else
  68                 supported_rates |=
  69                         wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
  70         if (wlvif->p2p)
  71                 supported_rates &= ~CONF_TX_CCK_RATES;
  72         cmd->local_supported_rates = cpu_to_le32(supported_rates);
  73         cmd->channel_type = wlvif->channel_type;
  74
  75         ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
  76         if (ret < 0) {
  77                 wl1271_error("failed to send channel switch command");
  78                 goto out_free;
  79         }
  80
  81 out_free:
  82         kfree(cmd);
  83 out:
  84         return ret;
  85 }
  86
  87 int wl18xx_cmd_smart_config_start(struct wl1271 *wl, u32 group_bitmap)
  88 {
  89         struct wl18xx_cmd_smart_config_start *cmd;
  90         int ret = 0;
  91
  92         wl1271_debug(DEBUG_CMD, "cmd smart config start group_bitmap=0x%x",
  93                      group_bitmap);
  94
  95         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  96         if (!cmd) {
  97                 ret = -ENOMEM;
  98                 goto out;
  99         }
 100
 101         cmd->group_id_bitmask = cpu_to_le32(group_bitmap);
 102
 103         ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_START, cmd, sizeof(*cmd), 0);
 104         if (ret < 0) {
 105                 wl1271_error("failed to send smart config start command");
 106                 goto out_free;
 107         }
 108
 109 out_free:
 110         kfree(cmd);
 111 out:
 112         return ret;
 113 }
 114
 115 int wl18xx_cmd_smart_config_stop(struct wl1271 *wl)
 116 {
 117         struct wl1271_cmd_header *cmd;
 118         int ret = 0;
 119
 120         wl1271_debug(DEBUG_CMD, "cmd smart config stop");
 121
 122         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 123         if (!cmd) {
 124                 ret = -ENOMEM;
 125                 goto out;
 126         }
 127
 128         ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_STOP, cmd, sizeof(*cmd), 0);
 129         if (ret < 0) {
 130                 wl1271_error("failed to send smart config stop command");
 131                 goto out_free;
 132         }
 133
 134 out_free:
 135         kfree(cmd);
 136 out:
 137         return ret;
 138 }
 139
 140 int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,
 141                                           u8 key_len, u8 *key)
 142 {
 143         struct wl18xx_cmd_smart_config_set_group_key *cmd;
 144         int ret = 0;
 145
 146         wl1271_debug(DEBUG_CMD, "cmd smart config set group key id=0x%x",
 147                      group_id);
 148
 149         if (key_len != sizeof(cmd->key)) {
 150                 wl1271_error("invalid group key size: %d", key_len);
 151                 return -E2BIG;
 152         }
 153
 154         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 155         if (!cmd) {
 156                 ret = -ENOMEM;
 157                 goto out;
 158         }
 159
 160         cmd->group_id = cpu_to_le32(group_id);
 161         memcpy(cmd->key, key, key_len);
 162
 163         ret = wl1271_cmd_send(wl, CMD_SMART_CONFIG_SET_GROUP_KEY, cmd,
 164                               sizeof(*cmd), 0);
 165         if (ret < 0) {
 166                 wl1271_error("failed to send smart config set group key cmd");
 167                 goto out_free;
 168         }
 169
 170 out_free:
 171         kfree(cmd);
 172 out:
 173         return ret;
 174 }
 175
 176 int wl18xx_cmd_set_cac(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool start)
 177 {
 178         struct wlcore_cmd_cac_start *cmd;
 179         int ret = 0;
 180
 181         wl1271_debug(DEBUG_CMD, "cmd cac (channel %d) %s",
 182                      wlvif->channel, start ? "start" : "stop");
 183
 184         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 185         if (!cmd)
 186                 return -ENOMEM;
 187
 188         cmd->role_id = wlvif->role_id;
 189         cmd->channel = wlvif->channel;
 190         if (wlvif->band == NL80211_BAND_5GHZ)
 191                 cmd->band = WLCORE_BAND_5GHZ;
 192         cmd->bandwidth = wlcore_get_native_channel_type(wlvif->channel_type);
 193
 194         ret = wl1271_cmd_send(wl,
 195                               start ? CMD_CAC_START : CMD_CAC_STOP,
 196                               cmd, sizeof(*cmd), 0);
 197         if (ret < 0) {
 198                 wl1271_error("failed to send cac command");
 199                 goto out_free;
 200         }
 201
 202 out_free:
 203         kfree(cmd);
 204         return ret;
 205 }
 206
 207 int wl18xx_cmd_radar_detection_debug(struct wl1271 *wl, u8 channel)
 208 {
 209         struct wl18xx_cmd_dfs_radar_debug *cmd;
 210         int ret = 0;
 211
 212         wl1271_debug(DEBUG_CMD, "cmd radar detection debug (chan %d)",
 213                      channel);
 214
 215         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 216         if (!cmd)
 217                 return -ENOMEM;
 218
 219         cmd->channel = channel;
 220
 221         ret = wl1271_cmd_send(wl, CMD_DFS_RADAR_DETECTION_DEBUG,
 222                               cmd, sizeof(*cmd), 0);
 223         if (ret < 0) {
 224                 wl1271_error("failed to send radar detection debug command");
 225                 goto out_free;
 226         }
 227
 228 out_free:
 229         kfree(cmd);
 230         return ret;
 231 }
 232
 233 int wl18xx_cmd_dfs_master_restart(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 234 {
 235         struct wl18xx_cmd_dfs_master_restart *cmd;
 236         int ret = 0;
 237
 238         wl1271_debug(DEBUG_CMD, "cmd dfs master restart (role %d)",
 239                      wlvif->role_id);
 240
 241         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 242         if (!cmd)
 243                 return -ENOMEM;
 244
 245         cmd->role_id = wlvif->role_id;
 246
 247         ret = wl1271_cmd_send(wl, CMD_DFS_MASTER_RESTART,
 248                               cmd, sizeof(*cmd), 0);
 249         if (ret < 0) {
 250                 wl1271_error("failed to send dfs master restart command");
 251                 goto out_free;
 252         }
 253 out_free:
 254         kfree(cmd);
 255         return ret;
 256 }