b43: enable mesh

This patch enables b43 to do mesh networking, tested against my zd1211rw
dongle.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 22 insertions, 11 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cbb317bb3484..f9c14c66434e 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1430,11 +1430,17 @@ static void b43_write_beacon_template(struct b43_wldev *dev,
                 i += ie_len + 2;
         }
         if (!tim_found) {
-                b43warn(dev->wl, "Did not find a valid TIM IE in "
-                        "the beacon template packet. AP or IBSS operation "
-                        "may be broken.\n");
-        } else
-                b43dbg(dev->wl, "Updated beacon template\n");
+                /*
+                 * If ucode wants to modify TIM do it behind the beacon, this
+                 * will happen, for example, when doing mesh networking.
+                 */
+                b43_shm_write16(dev, B43_SHM_SHARED,
+                                B43_SHM_SH_TIMBPOS,
+                                len + sizeof(struct b43_plcp_hdr6));
+                b43_shm_write16(dev, B43_SHM_SHARED,
+                                B43_SHM_SH_DTIMPER, 0);
+        }
+        b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset);
 }
 
 static void b43_write_probe_resp_plcp(struct b43_wldev *dev,
@@ -1549,7 +1555,8 @@ static void handle_irq_beacon(struct b43_wldev *dev)
         struct b43_wl *wl = dev->wl;
         u32 cmd, beacon0_valid, beacon1_valid;
 
-        if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+        if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP) &&
+            !b43_is_mode(wl, IEEE80211_IF_TYPE_MESH_POINT))
                 return;
 
         /* This is the bottom half of the asynchronous beacon update. */
@@ -2491,7 +2498,8 @@ static void b43_adjust_opmode(struct b43_wldev *dev)
         ctl &= ~B43_MACCTL_BEACPROMISC;
         ctl |= B43_MACCTL_INFRA;
 
-        if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+        if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP) ||
+            b43_is_mode(wl, IEEE80211_IF_TYPE_MESH_POINT))
                 ctl |= B43_MACCTL_AP;
         else if (b43_is_mode(wl, IEEE80211_IF_TYPE_IBSS))
                 ctl &= ~B43_MACCTL_INFRA;
@@ -3358,8 +3366,9 @@ static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
         antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx);
         b43_set_rx_antenna(dev, antenna);
 
-        /* Update templates for AP mode. */
-        if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP))
+        /* Update templates for AP/mesh mode. */
+        if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP) ||
+            b43_is_mode(wl, IEEE80211_IF_TYPE_MESH_POINT))
                 b43_set_beacon_int(dev, conf->beacon_int);
 
         if (!!conf->radio_enabled != phy->radio_on) {
@@ -3547,8 +3556,9 @@ static int b43_op_config_interface(struct ieee80211_hw *hw,
         else
                 memset(wl->bssid, 0, ETH_ALEN);
         if (b43_status(dev) >= B43_STAT_INITIALIZED) {
-                if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) {
-                        B43_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP);
+                if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP) ||
+                    b43_is_mode(wl, IEEE80211_IF_TYPE_MESH_POINT)) {
+                        B43_WARN_ON(conf->type != wl->if_type);
                         b43_set_ssid(dev, conf->ssid, conf->ssid_len);
                         if (conf->beacon)
                                 b43_update_templates(wl, conf->beacon);
@@ -4088,6 +4098,7 @@ static int b43_op_add_interface(struct ieee80211_hw *hw,
         /* TODO: allow WDS/AP devices to coexist */
 
         if (conf->type != IEEE80211_IF_TYPE_AP &&
+            conf->type != IEEE80211_IF_TYPE_MESH_POINT &&
             conf->type != IEEE80211_IF_TYPE_STA &&
             conf->type != IEEE80211_IF_TYPE_WDS &&
             conf->type != IEEE80211_IF_TYPE_IBSS)