libertas: separate mesh connectivity from that of the main interface

The transmit and receive traffic as soon as the mesh interface is
brought up.

Test case 1:  Bring up only the mesh interface and ping.  No need for
any iwconfig commands on the main interface.

$ ifconfig msh0 192.168.5.3
$ iwconfig msh0 channel X
$ ping 192.168.5.2
If ping succeeds, PASS

Test case 2:  Associate with the main interface, and turn off AP.  Mesh
interface should not lose connectivity.

$ iwconfig eth0 mode managed essid "my_ssid"
$ ifconfig msh0 192.168.5.3
$ ping 192.168.5.2
<turn off access point>
If ping continues uninterrupted, PASS

This feature requires firmware version 5.110.19.p0 or newer, available
here: http://dev.laptop.org/pub/firmware/libertas/

Signed-off-by: Ashish Shukla <ashishs@marvell.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 57fe5f67a05a..2231a65a537d 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -154,7 +154,8 @@ static void copy_active_data_rates(lbs_adapter *adapter, u8 *rates)
 {
         lbs_deb_enter(LBS_DEB_WEXT);
 
-        if (adapter->connect_status != LBS_CONNECTED)
+        if ((adapter->connect_status != LBS_CONNECTED) &&
+                (adapter->mesh_connect_status != LBS_CONNECTED))
                 memcpy(rates, lbs_bg_rates, MAX_RATES);
         else
                 memcpy(rates, adapter->curbssparams.rates, MAX_RATES);
@@ -274,7 +275,7 @@ static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
 
         /* Use nickname to indicate that mesh is on */
 
-        if (adapter->connect_status == LBS_CONNECTED) {
+        if (adapter->mesh_connect_status == LBS_CONNECTED) {
                 strncpy(extra, "Mesh", 12);
                 extra[12] = '\0';
                 dwrq->length = strlen(extra);
@@ -589,7 +590,8 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 
         range->num_frequency = 0;
         if (priv->adapter->enable11d &&
-            adapter->connect_status == LBS_CONNECTED) {
+            (adapter->connect_status == LBS_CONNECTED ||
+            adapter->mesh_connect_status == LBS_CONNECTED)) {
                 u8 chan_no;
                 u8 band;
 
@@ -827,7 +829,8 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
         priv->wstats.status = adapter->mode;
 
         /* If we're not associated, all quality values are meaningless */
-        if (adapter->connect_status != LBS_CONNECTED)
+        if ((adapter->connect_status != LBS_CONNECTED) &&
+            (adapter->mesh_connect_status != LBS_CONNECTED))
                 goto out;
 
         /* Quality by RSSI */