commit 83026000fed0ac84e94e99d0e1ee9a0d0c6f4f09
author Anurag Chouhan <achouhan@qti.qualcomm.com> Tue Dec 13 22:46:21 2016 +0530
committer Anjaneedevi Kapparapu <akappa@codeaurora.org> Thu Dec 15 15:59:51 2016 +0530
tree ff588eb8d72a41036f25b3a5da45c80b69db4eb2
parent 9b3383a3a5b802e7450996594da62e4c51db79f3

wlan: Add Dhcp server offload feature

Add support to set the dhcp server offload.
dhcp info such as DHCP enable, server ip address,
number of clients, and start address of dhcp pool
will be sent to firmware.

Change-Id: Id24c355820287d77b0e4200b86b42fe80e6cd4f8
CRs-Fixed: 1091422

CORE/HDD/src/wlan_hdd_hostapd.c

diff --git a/CORE/HDD/src/wlan_hdd_hostapd.c b/CORE/HDD/src/wlan_hdd_hostapd.c
index 5913fec..16d9058 100644
--- a/CORE/HDD/src/wlan_hdd_hostapd.c
+++ b/CORE/HDD/src/wlan_hdd_hostapd.c
@@ -4818,6 +4818,9 @@
 VOS_STATUS hdd_init_ap_mode( hdd_adapter_t *pAdapter )
 {
     hdd_hostapd_state_t * phostapdBuf;
+#ifdef DHCP_SERVER_OFFLOAD
+    hdd_dhcp_state_t *dhcp_status;
+#endif /* DHCP_SERVER_OFFLOAD */
     struct net_device *dev = pAdapter->dev;
     hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
     VOS_STATUS status;
@@ -4841,6 +4844,9 @@
 
     // Allocate the Wireless Extensions state structure
     phostapdBuf = WLAN_HDD_GET_HOSTAP_STATE_PTR( pAdapter );
+#ifdef DHCP_SERVER_OFFLOAD
+    dhcp_status = &pAdapter->dhcp_status;
+#endif /* DHCP_SERVER_OFFLOAD */
 
     spin_lock_init(&pAdapter->sta_hash_lock);
     pAdapter->is_sta_id_hash_initialized = VOS_FALSE;
@@ -4862,7 +4868,10 @@
 
     // Zero the memory.  This zeros the profile structure.
     memset(phostapdBuf, 0,sizeof(hdd_hostapd_state_t));
-    
+#ifdef DHCP_SERVER_OFFLOAD
+    memset(dhcp_status, 0,sizeof(*dhcp_status));
+#endif /* DHCP_SERVER_OFFLOAD */
+
     // Set up the pointer to the Wireless Extensions state structure
     // NOP
     status = hdd_set_hostapd(pAdapter);
@@ -4877,8 +4886,13 @@
          VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, ("ERROR: Hostapd HDD vos event init failed!!"));
          return status;
     }
-    
-
+#ifdef DHCP_SERVER_OFFLOAD
+    status = vos_event_init(&dhcp_status->vos_event);
+    if (!VOS_IS_STATUS_SUCCESS(status)) {
+         VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, ("ERROR: Hostapd HDD vos event init failed!!"));
+         return status;
+    }
+#endif /* DHCP_SERVER_OFFLOAD */
     sema_init(&(WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->semWpsPBCOverlapInd, 1);
  
      // Register as a wireless device