fix nasmesh kernel 4.15

openair2/NETWORK_DRIVER/MESH/classifier.c

@@ -410,7 +410,7 @@ struct cx_entity *nas_CLASS_cx6(struct sk_buff *skb,
 #endif //NAS_DEBUG_CLASS
 
           //if ((dst = (unsigned int*)&(((struct rt6_info *)skbdst)->rt6i_gateway)) == 0){
-          if ((dst = ((struct iphdr*)(skb_network_header(skb)))->daddr) == 0) {
+          if ( (dst = &((struct iphdr*)(skb_network_header(skb)))->daddr) == NULL) {
 
             printk("nas_CLASS_cx6: dst addr is null \n");
             p = p->next;
@@ -475,7 +475,7 @@ struct cx_entity *nas_CLASS_cx4(struct sk_buff *skb,
   if (skb!=NULL) {
     daddr = ((struct iphdr*)(skb_network_header(skb)))->daddr;
 
-    if (daddr!=NULL) {
+    if (daddr!=0) {
 
 #ifdef NAS_DEBUG_CLASS
       printk("[NAS][CLASS][IPv4] Searching for %d.%d.%d.%d\n",

openair2/NETWORK_DRIVER/MESH/common.c

@@ -53,17 +53,14 @@ void nas_COMMON_receive(uint16_t dlen,
   struct sk_buff *skb;
   struct ipversion *ipv;
   struct nas_priv *gpriv=netdev_priv(nasdev[inst]);
-  uint32_t odaddr,osaddr;
 
   //int i;
 
   unsigned char protocol;
 
-  unsigned char /**addr,*/ *daddr,*saddr,*ifaddr /*,sn*/;
 
   //struct udphdr *uh;
   //struct tcphdr *th;
-  uint16_t *cksum,check;
 
   struct iphdr *network_header;
 
@@ -114,11 +111,12 @@ void nas_COMMON_receive(uint16_t dlen,
       // Make the third byte of both the source and destination equal to the fourth of the destination
 
 
-
+      unsigned char * ifaddr, *saddr, daddr;
       daddr = (unsigned char *)&((struct iphdr *)skb->data)->daddr;
       odaddr = ((struct iphdr *)skb->data)->daddr;
       //    sn = addr[3];
       saddr = (unsigned char *)&((struct iphdr *)skb->data)->saddr;
+      uint32_t odaddr,osaddr;
       osaddr = ((struct iphdr *)skb->data)->saddr;
 
       if (daddr[0] == saddr[0]) {// same network
@@ -219,6 +217,7 @@ void nas_COMMON_receive(uint16_t dlen,
 
       case IPPROTO_TCP:
 
+  uint16_t *cksum,check;
         cksum  = (uint16_t*)&(((struct tcphdr*)(((char *)network_header + (network_header->ihl<<2))))->check);
         //check  = csum_tcpudp_magic(((struct iphdr *)network_header)->saddr, ((struct iphdr *)network_header)->daddr, tcp_hdrlen(skb), IPPROTO_TCP, ~(*cksum));
 

openair2/NETWORK_DRIVER/MESH/device.c

@@ -241,7 +241,7 @@ int nas_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
     // End debug information
     netif_stop_queue(dev);
-#if  LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0) || RHEL_RELEASE_CODE>=1796
+#if  LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0) ||  (defined RHEL_RELEASE_CODE && RHEL_RELEASE_CODE>=1796)
     netif_trans_update(dev);
 #else
     dev->trans_start = jiffies;
@@ -306,7 +306,7 @@ void nas_tx_timeout(struct net_device *dev)
   printk("TX_TIMEOUT: begin\n");
   //  (struct nas_priv *)(dev->priv)->stats.tx_errors++;
   (priv->stats).tx_errors++;
-#if  LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0) || RHEL_RELEASE_CODE>=1796
+#if  LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0) ||  (defined RHEL_RELEASE_CODE && RHEL_RELEASE_CODE>=1796)
   netif_trans_update(dev);
 #else
   dev->trans_start = jiffies;
@@ -324,7 +324,7 @@ static const struct net_device_ops nasmesh_netdev_ops = {
   .ndo_set_mac_address  = NULL,
   .ndo_set_config     = nas_set_config,
   .ndo_do_ioctl       = nas_CTL_ioctl,
-#if RHEL_RELEASE_CODE>=1797
+#if  (defined RHEL_RELEASE_CODE && RHEL_RELEASE_CODE>=1797)
   .extended.ndo_change_mtu   = nas_change_mtu,
 #else
   .ndo_change_mtu   = nas_change_mtu,

openair2/NETWORK_DRIVER/MESH/mesh.c

@@ -30,7 +30,7 @@
 
 ***************************************************************************/
 
-
+#include <linux/version.h>
 #include "local.h"
 #include "proto_extern.h"
 
@@ -155,10 +155,18 @@ void nas_mesh_start_default_sclassifier(struct cx_entity *cx,struct rb_entity *r
 }
 
 //---------------------------------------------------------------------------
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
+void nas_mesh_timer(struct timer_list *t)
+#else
 void nas_mesh_timer(unsigned long data)
+#endif
 {
   //---------------------------------------------------------------------------
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
+  struct nas_priv *gpriv=from_timer(gpriv, t, timer);
+  #else
   struct nas_priv *gpriv=(struct nas_priv *) data;
+  #endif
   uint8_t cxi;
   struct cx_entity *cx;
   struct rb_entity *rb;
@@ -166,10 +174,14 @@ void nas_mesh_timer(unsigned long data)
 #ifdef NAS_DEBUG_TIMER
   printk("NAS_MESH_TIMER - begin \n");
 #endif
-
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
+timer_setup(&gpriv->timer, nas_mesh_timer, 0);
+  mod_timer(&gpriv->timer, jiffies+NAS_TIMER_TICK);
+  #else
   (gpriv->timer).function=nas_mesh_timer;
   (gpriv->timer).expires=jiffies+NAS_TIMER_TICK;
   (gpriv->timer).data=data;
+  #endif
 
   return;
 

openair2/NETWORK_DRIVER/MESH/proto_extern.h

@@ -195,7 +195,6 @@ void nas_mesh_init(int inst   //!< Instance ID
 
                   );
 
-void nas_mesh_timer(unsigned long data);
 
 int  nas_mesh_DC_receive(struct cx_entity *cx,struct nas_priv *gpriv);
 int  nas_mesh_GC_receive(struct nas_priv *gpriv);

openair2/NETWORK_DRIVER/MESH/tool.c

@@ -679,11 +679,11 @@ void print_TOOL_pk_all(struct sk_buff *skb)
 
   switch (ntohs(skb->protocol)) {
   case ETH_P_IPV6:
-    print_TOOL_pk_ipv6((struct ipv6hdr *)skb->network_header);
+    print_TOOL_pk_ipv6((struct ipv6hdr *)skb_network_header(skb));
     break;
 
   case ETH_P_IP:
-    print_TOOL_pk_ipv4((struct iphdr *)skb->network_header);
+    print_TOOL_pk_ipv4((struct iphdr *)skb_network_header(skb));
     break;
   }
 }