[PATCH] wlcore: let AP support allmulticast for MDNS. It can be enabled by bringing up the interface with ip command with the argument allmulticast on

[Iain Hunter]

Let AP support allmulticast for MDNS.
It can be enabled by bringing up the interface with ip command and the argument 
allmulticast on

Signed-off-by: Iain Hunter <i-hunt...@ti.com>
---
 drivers/net/wireless/ti/wlcore/main.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/wireless/ti/wlcore/main.c 
b/drivers/net/wireless/ti/wlcore/main.c
index 3241e9eba73..1ab0561ab13 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -3281,6 +3281,20 @@ static void wl1271_op_configure_filter(struct 
ieee80211_hw *hw,
                        if (ret < 0)
                                goto out_sleep;
                }
+
+        /*
+         * If interface in AP mode and created with allmulticast then disable
+         * the firmware filters so that all multicast packets are passed
+         * This is mandatory for MDNS based discovery protocols 
+         */
+               if (wlvif->bss_type == BSS_TYPE_AP_BSS) {
+                       if (*total & FIF_ALLMULTI)
+                               ret = wl1271_acx_group_address_tbl(wl, wlvif,
+                                                                  false,
+                                                                  NULL, 0);
+              
+                }
+
        }
 
        /*
-- 
2.11.0