mwifiex: Fixed endianness problem for big endian platform
authorKarthik D A <karthida@marvell.com>
Mon, 25 Jul 2016 15:51:04 +0000 (21:21 +0530)
committerKalle Valo <kvalo@codeaurora.org>
Sat, 3 Sep 2016 09:57:14 +0000 (12:57 +0300)
The driver sends and recives information to and from the firmware.
Correct endianness should be ensured as firmware follows little
endian format and host can be little/big endian.

Signed-off-by: Karthik D A <karthida@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/marvell/mwifiex/fw.h
drivers/net/wireless/marvell/mwifiex/sta_cmd.c
drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c

index 5596b6be1898dbfbab10f2af976526dc0a86115a..c46267b964625e78e116bbd2c3fa964388d5a19e 100644 (file)
@@ -1646,7 +1646,7 @@ struct mwifiex_ie_types_sta_info {
 };
 
 struct host_cmd_ds_sta_list {
-       u16 sta_count;
+       __le16 sta_count;
        u8 tlv[0];
 } __packed;
 
@@ -2034,26 +2034,26 @@ struct host_cmd_ds_set_bss_mode {
 
 struct host_cmd_ds_pcie_details {
        /* TX buffer descriptor ring address */
-       u32 txbd_addr_lo;
-       u32 txbd_addr_hi;
+       __le32 txbd_addr_lo;
+       __le32 txbd_addr_hi;
        /* TX buffer descriptor ring count */
-       u32 txbd_count;
+       __le32 txbd_count;
 
        /* RX buffer descriptor ring address */
-       u32 rxbd_addr_lo;
-       u32 rxbd_addr_hi;
+       __le32 rxbd_addr_lo;
+       __le32 rxbd_addr_hi;
        /* RX buffer descriptor ring count */
-       u32 rxbd_count;
+       __le32 rxbd_count;
 
        /* Event buffer descriptor ring address */
-       u32 evtbd_addr_lo;
-       u32 evtbd_addr_hi;
+       __le32 evtbd_addr_lo;
+       __le32 evtbd_addr_hi;
        /* Event buffer descriptor ring count */
-       u32 evtbd_count;
+       __le32 evtbd_count;
 
        /* Sleep cookie buffer physical address */
-       u32 sleep_cookie_addr_lo;
-       u32 sleep_cookie_addr_hi;
+       __le32 sleep_cookie_addr_lo;
+       __le32 sleep_cookie_addr_hi;
 } __packed;
 
 struct mwifiex_ie_types_rssi_threshold {
@@ -2093,8 +2093,8 @@ struct mwifiex_ie_types_mc_group_info {
        u8 chan_buf_weight;
        u8 band_config;
        u8 chan_num;
-       u32 chan_time;
-       u32 reserved;
+       __le32 chan_time;
+       __le32 reserved;
        union {
                u8 sdio_func_num;
                u8 usb_ep_num;
@@ -2185,7 +2185,7 @@ struct host_cmd_ds_robust_coex {
 } __packed;
 
 struct host_cmd_ds_wakeup_reason {
-       u16  wakeup_reason;
+       __le16  wakeup_reason;
 } __packed;
 
 struct host_cmd_ds_gtk_rekey_params {
index 7897037b0992bc34e7212962c7e98c7d936ca50d..108c11cc0c16ad77cdd7673d39a0f6088c3f7a1c 100644 (file)
@@ -1244,20 +1244,23 @@ mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
                return 0;
 
        /* Send the ring base addresses and count to firmware */
-       host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
-       host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
-       host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
-       host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
-       host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
-       host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
-       host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
-       host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
-       host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
+       host_spec->txbd_addr_lo = cpu_to_le32((u32)(card->txbd_ring_pbase));
+       host_spec->txbd_addr_hi =
+                       cpu_to_le32((u32)(((u64)card->txbd_ring_pbase) >> 32));
+       host_spec->txbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
+       host_spec->rxbd_addr_lo = cpu_to_le32((u32)(card->rxbd_ring_pbase));
+       host_spec->rxbd_addr_hi =
+                       cpu_to_le32((u32)(((u64)card->rxbd_ring_pbase) >> 32));
+       host_spec->rxbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
+       host_spec->evtbd_addr_lo = cpu_to_le32((u32)(card->evtbd_ring_pbase));
+       host_spec->evtbd_addr_hi =
+                       cpu_to_le32((u32)(((u64)card->evtbd_ring_pbase) >> 32));
+       host_spec->evtbd_count = cpu_to_le32(MWIFIEX_MAX_EVT_BD);
        if (card->sleep_cookie_vbase) {
                host_spec->sleep_cookie_addr_lo =
-                                               (u32)(card->sleep_cookie_pbase);
-               host_spec->sleep_cookie_addr_hi =
-                                (u32)(((u64)(card->sleep_cookie_pbase)) >> 32);
+                               cpu_to_le32((u32)(card->sleep_cookie_pbase));
+               host_spec->sleep_cookie_addr_hi = cpu_to_le32((u32)(((u64)
+                                       (card->sleep_cookie_pbase)) >> 32));
                mwifiex_dbg(priv->adapter, INFO,
                            "sleep_cook_lo phy addr: 0x%x\n",
                            host_spec->sleep_cookie_addr_lo);
index ccf54932e32185ec5508306c954b1a7fc8fe3416..90e191bf1343a1c71c0e266bf8a3c9efddf9cc39 100644 (file)
@@ -962,7 +962,7 @@ static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
        int i;
        struct mwifiex_sta_node *sta_node;
 
-       for (i = 0; i < sta_list->sta_count; i++) {
+       for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
                sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
                if (unlikely(!sta_node))
                        continue;