wl1271: Support firmware RX packet aggregation

[pandora-kernel.git] / drivers / net / wireless / wl12xx / wl1271_main.c

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index cb18f22..8071da1 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -2459,6 +2459,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
        struct platform_device *plat_dev = NULL;
        struct wl1271 *wl;
        int i, ret;
+       unsigned int order;
 
        hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
        if (!hw) {
@@ -2517,11 +2518,18 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 
        wl1271_debugfs_init(wl);
 
+       order = get_order(WL1271_AGGR_BUFFER_SIZE);
+       wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order);
+       if (!wl->aggr_buf) {
+               ret = -ENOMEM;
+               goto err_hw;
+       }
+
        /* Register platform device */
        ret = platform_device_register(wl->plat_dev);
        if (ret) {
                wl1271_error("couldn't register platform device");
-               goto err_hw;
+               goto err_aggr;
        }
        dev_set_drvdata(&wl->plat_dev->dev, wl);
 
@@ -2547,6 +2555,9 @@ err_bt_coex_state:
 err_platform:
        platform_device_unregister(wl->plat_dev);
 
+err_aggr:
+       free_pages((unsigned long)wl->aggr_buf, order);
+
 err_hw:
        wl1271_debugfs_exit(wl);
        kfree(plat_dev);
@@ -2563,6 +2574,8 @@ EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
 int wl1271_free_hw(struct wl1271 *wl)
 {
        platform_device_unregister(wl->plat_dev);
+       free_pages((unsigned long)wl->aggr_buf,
+                       get_order(WL1271_AGGR_BUFFER_SIZE));
        kfree(wl->plat_dev);
 
        wl1271_debugfs_exit(wl);