wl12xx: AP mode - fetch appropriate firmware for AP

AP and STA modes use different firmwares.

Differentiate the firmware files by name and fetch the appropriate one
when add_interface is called by mac80211. The STA firmware is chosen for
PLT mode.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 4ca46b2..a6de19a 100644 (file)
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -658,9 +658,26 @@ out:
 static int wl1271_fetch_firmware(struct wl1271 *wl)
 {
        const struct firmware *fw;
+       const char *fw_name;
        int ret;
 
-       ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
+       switch (wl->bss_type) {
+       case BSS_TYPE_AP_BSS:
+               fw_name = WL1271_AP_FW_NAME;
+               break;
+       case BSS_TYPE_IBSS:
+       case BSS_TYPE_STA_BSS:
+               fw_name = WL1271_FW_NAME;
+               break;
+       default:
+               wl1271_error("no compatible firmware for bss_type %d",
+                            wl->bss_type);
+               return -EINVAL;
+       }
+
+       wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name);
+
+       ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl));
 
        if (ret < 0) {
                wl1271_error("could not get firmware: %d", ret);
@@ -674,6 +691,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
                goto out;
        }
 
+       vfree(wl->fw);
        wl->fw_len = fw->size;
        wl->fw = vmalloc(wl->fw_len);
 
@@ -684,7 +702,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
        }
 
        memcpy(wl->fw, fw->data, wl->fw_len);
-
+       wl->fw_bss_type = wl->bss_type;
        ret = 0;
 
 out:
@@ -820,7 +838,8 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
                goto out;
        }
 
-       if (wl->fw == NULL) {
+       /* Make sure the firmware type matches the BSS type */
+       if (wl->fw == NULL || wl->fw_bss_type != wl->bss_type) {
                ret = wl1271_fetch_firmware(wl);
                if (ret < 0)
                        goto out;
@@ -853,6 +872,8 @@ int wl1271_plt_start(struct wl1271 *wl)
                goto out;
        }
 
+       wl->bss_type = BSS_TYPE_STA_BSS;
+
        while (retries) {
                retries--;
                ret = wl1271_chip_wakeup(wl);
@@ -1010,6 +1031,9 @@ static int wl1271_op_start(struct ieee80211_hw *hw)
         *
         * The MAC address is first known when the corresponding interface
         * is added. That is where we will initialize the hardware.
+        *
+        * In addition, we currently have different firmwares for AP and managed
+        * operation. We will know which to boot according to interface type.
         */
 
        return 0;
@@ -3183,6 +3207,9 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
        wl->flags = 0;
        wl->sg_enabled = true;
        wl->hw_pg_ver = -1;
+       wl->bss_type = MAX_BSS_TYPE;
+       wl->set_bss_type = MAX_BSS_TYPE;
+       wl->fw_bss_type = MAX_BSS_TYPE;
 
        memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map));
        for (i = 0; i < ACX_TX_DESCRIPTORS; i++)

diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 6b2c763..f153e4b 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -124,6 +124,8 @@ extern u32 wl12xx_debug_level;
 
 
 #define WL1271_FW_NAME "wl1271-fw.bin"
+#define WL1271_AP_FW_NAME "wl1271-fw-ap.bin"
+
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
 
 #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))
@@ -311,6 +313,7 @@ struct wl1271 {
 
        u8 *fw;
        size_t fw_len;
+       u8 fw_bss_type;
        struct wl1271_nvs_file *nvs;
        size_t nvs_len;