libertas: use priv->mesh_tlv instead of priv->mesh_fw_ver

Both variables contained the same information (no mesh, old mesh, new mesh).
So we can get rid of one variable.

Also move the mesh-version test from cmd.c into mesh.c.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 16 insertions, 28 deletions

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index b9b371bfa30..dd69191f24e 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -143,19 +143,6 @@ int lbs_update_hw_spec(struct lbs_private *priv)
         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
                     cmd.hwifversion, cmd.version);
 
-        /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
-        /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
-        /* 5.110.22 have mesh command with 0xa3 command id */
-        /* 10.0.0.p0 FW brings in mesh config command with different id */
-        /* Check FW version MSB and initialize mesh_fw_ver */
-        if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5)
-                priv->mesh_fw_ver = MESH_FW_OLD;
-        else if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
-                (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK))
-                priv->mesh_fw_ver = MESH_FW_NEW;
-        else
-                priv->mesh_fw_ver = MESH_NONE;
-
         /* Clamp region code to 8-bit since FW spec indicates that it should
          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
          * returns non-zero high 8 bits here.
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 6b6ea9f7bf5..ea3f10ef4e0 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -397,13 +397,6 @@ enum KEY_INFO_WPA {
         KEY_INFO_WPA_ENABLED = 0x04
 };
 
-/** mesh_fw_ver */
-enum _mesh_fw_ver {
-        MESH_NONE = 0, /* MESH is not supported */
-        MESH_FW_OLD,   /* MESH is supported in FW V5 */
-        MESH_FW_NEW,   /* MESH is supported in FW V10 and newer */
-};
-
 /* Default values for fwt commands. */
 #define FWT_DEFAULT_METRIC 0
 #define FWT_DEFAULT_DIR 1
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 6a8d2b291d8..505b8feaa8b 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -42,7 +42,6 @@ struct lbs_private {
         u32 mesh_connect_status;
         struct lbs_mesh_stats mstats;
         int mesh_open;
-        int mesh_fw_ver;
         int mesh_autostart_enabled;
         uint16_t mesh_tlv;
         u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
index 2f91c9b808a..1d94f7d4efc 100644
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -196,7 +196,12 @@ int lbs_init_mesh(struct lbs_private *priv)
 
         lbs_deb_enter(LBS_DEB_MESH);
 
-        if (priv->mesh_fw_ver == MESH_FW_OLD) {
+        /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
+        /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
+        /* 5.110.22 have mesh command with 0xa3 command id */
+        /* 10.0.0.p0 FW brings in mesh config command with different id */
+        /* Check FW version MSB and initialize mesh_fw_ver */
+        if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
                 /* Enable mesh, if supported, and work out which TLV it uses.
                    0x100 + 291 is an unofficial value used in 5.110.20.pXX
                    0x100 + 37 is the official value used in 5.110.21.pXX
@@ -218,7 +223,9 @@ int lbs_init_mesh(struct lbs_private *priv)
                                             priv->channel))
                                 priv->mesh_tlv = 0;
                 }
-        } else if (priv->mesh_fw_ver == MESH_FW_NEW) {
+        } else
+        if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
+                (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
                 /* 10.0.0.pXX new firmwares should succeed with TLV
                  * 0x100+37; Do not invoke command with old TLV.
                  */
@@ -227,6 +234,8 @@ int lbs_init_mesh(struct lbs_private *priv)
                                     priv->channel))
                         priv->mesh_tlv = 0;
         }
+
+
         if (priv->mesh_tlv) {
                 lbs_add_mesh(priv);
 
@@ -416,10 +425,10 @@ struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
         struct net_device *dev, struct rxpd *rxpd)
 {
         if (priv->mesh_dev) {
-                if (priv->mesh_fw_ver == MESH_FW_OLD) {
+                if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
                         if (rxpd->rx_control & RxPD_MESH_FRAME)
                                 dev = priv->mesh_dev;
-                } else if (priv->mesh_fw_ver == MESH_FW_NEW) {
+                } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
                         if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
                                 dev = priv->mesh_dev;
                 }
@@ -432,9 +441,9 @@ void lbs_mesh_set_txpd(struct lbs_private *priv,
         struct net_device *dev, struct txpd *txpd)
 {
         if (dev == priv->mesh_dev) {
-                if (priv->mesh_fw_ver == MESH_FW_OLD)
+                if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
                         txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
-                else if (priv->mesh_fw_ver == MESH_FW_NEW)
+                else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
                         txpd->u.bss.bss_num = MESH_IFACE_ID;
         }
 }
@@ -538,7 +547,7 @@ static int __lbs_mesh_config_send(struct lbs_private *priv,
          * Command id is 0xac for v10 FW along with mesh interface
          * id in bits 14-13-12.
          */
-        if (priv->mesh_fw_ver == MESH_FW_NEW)
+        if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
                 command = CMD_MESH_CONFIG |
                           (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);