wl1251: cleanup scanning code
The current scanning code wasn't following the preferred style. Move code
related to scan and trigger scan to commans to wl1251_cmd.c. Because
there's now less code in wl1251_hw_scan(), the function can be now
merged with wl1251_op_hw_scan().
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.c b/drivers/net/wireless/wl12xx/wl1251_cmd.c
index 770f260..fcbfbd7 100644
--- a/drivers/net/wireless/wl12xx/wl1251_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1251_cmd.c
@@ -410,3 +410,85 @@
kfree(cmd);
return ret;
}
+
+int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
+ unsigned int n_channels, unsigned int n_probes)
+{
+ struct wl1251_cmd_scan *cmd;
+ int i, ret = 0;
+
+ wl1251_debug(DEBUG_CMD, "cmd scan");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD);
+ cmd->params.rx_filter_options = cpu_to_le32(CFG_RX_PRSP_EN |
+ CFG_RX_MGMT_EN |
+ CFG_RX_BCN_EN);
+ cmd->params.scan_options = 0;
+ cmd->params.num_channels = n_channels;
+ cmd->params.num_probe_requests = n_probes;
+ cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */
+ cmd->params.tid_trigger = 0;
+
+ for (i = 0; i < n_channels; i++) {
+ cmd->channels[i].min_duration =
+ cpu_to_le32(WL1251_SCAN_MIN_DURATION);
+ cmd->channels[i].max_duration =
+ cpu_to_le32(WL1251_SCAN_MAX_DURATION);
+ memset(&cmd->channels[i].bssid_lsb, 0xff, 4);
+ memset(&cmd->channels[i].bssid_msb, 0xff, 2);
+ cmd->channels[i].early_termination = 0;
+ cmd->channels[i].tx_power_att = 0;
+ cmd->channels[i].channel = i + 1;
+ }
+
+ cmd->params.ssid_len = ssid_len;
+ if (ssid)
+ memcpy(cmd->params.ssid, ssid, ssid_len);
+
+ ret = wl1251_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("cmd scan failed: %d", ret);
+ goto out;
+ }
+
+ wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
+
+ if (cmd->header.status != CMD_STATUS_SUCCESS) {
+ wl1251_error("cmd scan status wasn't success: %d",
+ cmd->header.status);
+ ret = -EIO;
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_trigger_scan_to(struct wl1251 *wl, u32 timeout)
+{
+ struct wl1251_cmd_trigger_scan_to *cmd;
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd trigger scan to");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->timeout = timeout;
+
+ ret = wl1251_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("cmd trigger scan to failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+ return ret;
+}