aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-2000.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-2000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-2000.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index 86feec86d130..2282279cffc4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -177,79 +177,6 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
177 return 0; 177 return 0;
178} 178}
179 179
180static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
181 struct ieee80211_channel_switch *ch_switch)
182{
183 /*
184 * MULTI-FIXME
185 * See iwl_mac_channel_switch.
186 */
187 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
188 struct iwl6000_channel_switch_cmd cmd;
189 const struct iwl_channel_info *ch_info;
190 u32 switch_time_in_usec, ucode_switch_time;
191 u16 ch;
192 u32 tsf_low;
193 u8 switch_count;
194 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
195 struct ieee80211_vif *vif = ctx->vif;
196 struct iwl_host_cmd hcmd = {
197 .id = REPLY_CHANNEL_SWITCH,
198 .len = { sizeof(cmd), },
199 .flags = CMD_SYNC,
200 .data = { &cmd, },
201 };
202
203 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
204 ch = ch_switch->channel->hw_value;
205 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
206 ctx->active.channel, ch);
207 cmd.channel = cpu_to_le16(ch);
208 cmd.rxon_flags = ctx->staging.flags;
209 cmd.rxon_filter_flags = ctx->staging.filter_flags;
210 switch_count = ch_switch->count;
211 tsf_low = ch_switch->timestamp & 0x0ffffffff;
212 /*
213 * calculate the ucode channel switch time
214 * adding TSF as one of the factor for when to switch
215 */
216 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
217 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
218 beacon_interval)) {
219 switch_count -= (priv->ucode_beacon_time -
220 tsf_low) / beacon_interval;
221 } else
222 switch_count = 0;
223 }
224 if (switch_count <= 1)
225 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
226 else {
227 switch_time_in_usec =
228 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
229 ucode_switch_time = iwl_usecs_to_beacons(priv,
230 switch_time_in_usec,
231 beacon_interval);
232 cmd.switch_time = iwl_add_beacon_time(priv,
233 priv->ucode_beacon_time,
234 ucode_switch_time,
235 beacon_interval);
236 }
237 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
238 cmd.switch_time);
239 ch_info = iwl_get_channel_info(priv, priv->band, ch);
240 if (ch_info)
241 cmd.expect_beacon = is_channel_radar(ch_info);
242 else {
243 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
244 ctx->active.channel, ch);
245 return -EFAULT;
246 }
247 priv->switch_rxon.channel = cmd.channel;
248 priv->switch_rxon.switch_in_progress = true;
249
250 return iwl_send_cmd_sync(priv, &hcmd);
251}
252
253static struct iwl_lib_ops iwl2000_lib = { 180static struct iwl_lib_ops iwl2000_lib = {
254 .set_hw_params = iwl2000_hw_set_hw_params, 181 .set_hw_params = iwl2000_hw_set_hw_params,
255 .rx_handler_setup = iwlagn_rx_handler_setup, 182 .rx_handler_setup = iwlagn_rx_handler_setup,
@@ -258,7 +185,6 @@ static struct iwl_lib_ops iwl2000_lib = {
258 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr, 185 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
259 .send_tx_power = iwlagn_send_tx_power, 186 .send_tx_power = iwlagn_send_tx_power,
260 .update_chain_flags = iwl_update_chain_flags, 187 .update_chain_flags = iwl_update_chain_flags,
261 .set_channel_switch = iwl2030_hw_channel_switch,
262 .apm_ops = { 188 .apm_ops = {
263 .init = iwl_apm_init, 189 .init = iwl_apm_init,
264 .config = iwl2000_nic_config, 190 .config = iwl2000_nic_config,