wl1251: split RX and TX data path initialisation

Split up data path initialisation into RX and TX data path initialisation
functions. This change is required for channel switching in monitor mode.

Signed-off-by: David Gnedt <david.gnedt@davizone.at>

diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.c b/drivers/net/wireless/wl12xx/wl1251_cmd.c
index 6c919ac..a64dbd3 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1251_cmd.c
@@ -203,11 +203,11 @@ out:
        return ret;
 }
 
-int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
+int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable)
 {
        struct cmd_enabledisable_path *cmd;
        int ret;
-       u16 cmd_rx, cmd_tx;
+       u16 cmd_rx;
 
        wl1251_debug(DEBUG_CMD, "cmd data path");
 
@@ -219,13 +219,10 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
 
        cmd->channel = channel;
 
-       if (enable) {
+       if (enable)
                cmd_rx = CMD_ENABLE_RX;
-               cmd_tx = CMD_ENABLE_TX;
-       } else {
+       else
                cmd_rx = CMD_DISABLE_RX;
-               cmd_tx = CMD_DISABLE_TX;
-       }
 
        ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
        if (ret < 0) {
@@ -237,6 +234,32 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable)
        wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d",
                     enable ? "start" : "stop", channel);
 
+out:
+       kfree(cmd);
+       return ret;
+}
+
+int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable)
+{
+       struct cmd_enabledisable_path *cmd;
+       int ret;
+       u16 cmd_tx;
+
+       wl1251_debug(DEBUG_CMD, "cmd data path");
+
+       cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+       if (!cmd) {
+               ret = -ENOMEM;
+               goto out;
+       }
+
+       cmd->channel = channel;
+
+       if (enable)
+               cmd_tx = CMD_ENABLE_TX;
+       else
+               cmd_tx = CMD_DISABLE_TX;
+
        ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
        if (ret < 0) {
                wl1251_error("tx %s cmd for channel %d failed",

diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.h b/drivers/net/wireless/wl12xx/wl1251_cmd.h
index 95a10c6..9e9aff3 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1251_cmd.h
@@ -37,7 +37,8 @@ int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len);
 int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len);
 int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
                   void *bitmap, u16 bitmap_len, u8 bitmap_control);
-int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable);
+int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable);
+int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable);
 int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
                    u16 beacon_interval, u8 dtim_interval);
 int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode);

diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c
index 5aad56e..e578196 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251_init.c
+++ b/drivers/net/wireless/wl12xx/wl1251_init.c
@@ -395,8 +395,13 @@ int wl1251_hw_init(struct wl1251 *wl)
        if (ret < 0)
                goto out_free_data_path;
 
-       /* Enable data path */
-       ret = wl1251_cmd_data_path(wl, wl->channel, 1);
+       /* Enable rx data path */
+       ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1);
+       if (ret < 0)
+               goto out_free_data_path;
+
+       /* Enable tx data path */
+       ret = wl1251_cmd_data_path_tx(wl, wl->channel, 1);
        if (ret < 0)
                goto out_free_data_path;