kernel/drivers/net/wireless/ti/wl18xx/acx.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/acx.h"
  25
  26 #include "acx.h"
  27 #include "wl18xx.h"
  28
  29 int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
  30                                   u32 sdio_blk_size, u32 extra_mem_blks,
  31                                   u32 len_field_size)
  32 {
  33         struct wl18xx_acx_host_config_bitmap *bitmap_conf;
  34         int ret;
  35
  36         wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
  37                      host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
  38                      len_field_size);
  39
  40         bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
  41         if (!bitmap_conf) {
  42                 ret = -ENOMEM;
  43                 goto out;
  44         }
  45
  46         bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
  47         bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
  48         bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
  49         bitmap_conf->length_field_size = cpu_to_le32(len_field_size);
  50
  51         ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
  52                                    bitmap_conf, sizeof(*bitmap_conf));
  53         if (ret < 0) {
  54                 wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
  55                 goto out;
  56         }
  57
  58 out:
  59         kfree(bitmap_conf);
  60
  61         return ret;
  62 }
  63
  64 int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
  65 {
  66         struct wl18xx_acx_checksum_state *acx;
  67         int ret;
  68
  69         wl1271_debug(DEBUG_ACX, "acx checksum state");
  70
  71         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  72         if (!acx) {
  73                 ret = -ENOMEM;
  74                 goto out;
  75         }
  76
  77         acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;
  78
  79         ret = wl1271_cmd_configure(wl, ACX_CSUM_CONFIG, acx, sizeof(*acx));
  80         if (ret < 0) {
  81                 wl1271_warning("failed to set Tx checksum state: %d", ret);
  82                 goto out;
  83         }
  84
  85 out:
  86         kfree(acx);
  87         return ret;
  88 }
  89
  90 int wl18xx_acx_clear_statistics(struct wl1271 *wl)
  91 {
  92         struct wl18xx_acx_clear_statistics *acx;
  93         int ret = 0;
  94
  95         wl1271_debug(DEBUG_ACX, "acx clear statistics");
  96
  97         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  98         if (!acx) {
  99                 ret = -ENOMEM;
 100                 goto out;
 101         }
 102
 103         ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx));
 104         if (ret < 0) {
 105                 wl1271_warning("failed to clear firmware statistics: %d", ret);
 106                 goto out;
 107         }
 108
 109 out:
 110         kfree(acx);
 111         return ret;
 112 }
 113
 114 int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide)
 115 {
 116         struct wlcore_peer_ht_operation_mode *acx;
 117         int ret;
 118
 119         wl1271_debug(DEBUG_ACX, "acx peer ht operation mode hlid %d bw %d",
 120                      hlid, wide);
 121
 122         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 123         if (!acx) {
 124                 ret = -ENOMEM;
 125                 goto out;
 126         }
 127
 128         acx->hlid = hlid;
 129         acx->bandwidth = wide ? WLCORE_BANDWIDTH_40MHZ : WLCORE_BANDWIDTH_20MHZ;
 130
 131         ret = wl1271_cmd_configure(wl, ACX_PEER_HT_OPERATION_MODE_CFG, acx,
 132                                    sizeof(*acx));
 133
 134         if (ret < 0) {
 135                 wl1271_warning("acx peer ht operation mode failed: %d", ret);
 136                 goto out;
 137         }
 138
 139 out:
 140         kfree(acx);
 141         return ret;
 142
 143 }
 144
 145 /*
 146  * this command is basically the same as wl1271_acx_ht_capabilities,
 147  * with the addition of supported rates. they should be unified in
 148  * the next fw api change
 149  */
 150 int wl18xx_acx_set_peer_cap(struct wl1271 *wl,
 151                             struct ieee80211_sta_ht_cap *ht_cap,
 152                             bool allow_ht_operation,
 153                             u32 rate_set, u8 hlid)
 154 {
 155         struct wlcore_acx_peer_cap *acx;
 156         int ret = 0;
 157         u32 ht_capabilites = 0;
 158
 159         wl1271_debug(DEBUG_ACX,
 160                      "acx set cap ht_supp: %d ht_cap: %d rates: 0x%x",
 161                      ht_cap->ht_supported, ht_cap->cap, rate_set);
 162
 163         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 164         if (!acx) {
 165                 ret = -ENOMEM;
 166                 goto out;
 167         }
 168
 169         if (allow_ht_operation && ht_cap->ht_supported) {
 170                 /* no need to translate capabilities - use the spec values */
 171                 ht_capabilites = ht_cap->cap;
 172
 173                 /*
 174                  * this bit is not employed by the spec but only by FW to
 175                  * indicate peer HT support
 176                  */
 177                 ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;
 178
 179                 /* get data from A-MPDU parameters field */
 180                 acx->ampdu_max_length = ht_cap->ampdu_factor;
 181                 acx->ampdu_min_spacing = ht_cap->ampdu_density;
 182         }
 183
 184         acx->hlid = hlid;
 185         acx->ht_capabilites = cpu_to_le32(ht_capabilites);
 186         acx->supported_rates = cpu_to_le32(rate_set);
 187
 188         ret = wl1271_cmd_configure(wl, ACX_PEER_CAP, acx, sizeof(*acx));
 189         if (ret < 0) {
 190                 wl1271_warning("acx ht capabilities setting failed: %d", ret);
 191                 goto out;
 192         }
 193
 194 out:
 195         kfree(acx);
 196         return ret;
 197 }
 198
 199 /*
 200  * When the host is suspended, we don't want to get any fast-link/PSM
 201  * notifications
 202  */
 203 int wl18xx_acx_interrupt_notify_config(struct wl1271 *wl,
 204                                        bool action)
 205 {
 206         struct wl18xx_acx_interrupt_notify *acx;
 207         int ret = 0;
 208
 209         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 210         if (!acx) {
 211                 ret = -ENOMEM;
 212                 goto out;
 213         }
 214
 215         acx->enable = action;
 216         ret = wl1271_cmd_configure(wl, ACX_INTERRUPT_NOTIFY, acx, sizeof(*acx));
 217         if (ret < 0) {
 218                 wl1271_warning("acx interrupt notify setting failed: %d", ret);
 219                 goto out;
 220         }
 221
 222 out:
 223         kfree(acx);
 224         return ret;
 225 }
 226
 227 /*
 228  * When the host is suspended, we can configure the FW to disable RX BA
 229  * notifications.
 230  */
 231 int wl18xx_acx_rx_ba_filter(struct wl1271 *wl, bool action)
 232 {
 233         struct wl18xx_acx_rx_ba_filter *acx;
 234         int ret = 0;
 235
 236         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 237         if (!acx) {
 238                 ret = -ENOMEM;
 239                 goto out;
 240         }
 241
 242         acx->enable = (u32)action;
 243         ret = wl1271_cmd_configure(wl, ACX_RX_BA_FILTER, acx, sizeof(*acx));
 244         if (ret < 0) {
 245                 wl1271_warning("acx rx ba activity filter setting failed: %d",
 246                                ret);
 247                 goto out;
 248         }
 249
 250 out:
 251         kfree(acx);
 252         return ret;
 253 }
 254
 255 int wl18xx_acx_ap_sleep(struct wl1271 *wl)
 256 {
 257         struct wl18xx_priv *priv = wl->priv;
 258         struct acx_ap_sleep_cfg *acx;
 259         struct conf_ap_sleep_settings *conf = &priv->conf.ap_sleep;
 260         int ret;
 261
 262         wl1271_debug(DEBUG_ACX, "acx config ap sleep");
 263
 264         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 265         if (!acx) {
 266                 ret = -ENOMEM;
 267                 goto out;
 268         }
 269
 270         acx->idle_duty_cycle = conf->idle_duty_cycle;
 271         acx->connected_duty_cycle = conf->connected_duty_cycle;
 272         acx->max_stations_thresh = conf->max_stations_thresh;
 273         acx->idle_conn_thresh = conf->idle_conn_thresh;
 274
 275         ret = wl1271_cmd_configure(wl, ACX_AP_SLEEP_CFG, acx, sizeof(*acx));
 276         if (ret < 0) {
 277                 wl1271_warning("acx config ap-sleep failed: %d", ret);
 278                 goto out;
 279         }
 280
 281 out:
 282         kfree(acx);
 283         return ret;
 284 }