diff --git a/openair2/NAS/DRIVER/LITE/device.c b/openair2/NAS/DRIVER/LITE/device.c
index 5c931a4cc40c3c7c21a422cf98db4ffda5401f63..c90af2e3d3f0f0922f51e2082b5a0818ebc59f14 100755
--- a/openair2/NAS/DRIVER/LITE/device.c
+++ b/openair2/NAS/DRIVER/LITE/device.c
@@ -315,7 +315,6 @@ void oai_nw_drv_tx_timeout(struct net_device *dev){
printk("[OAI_IP_DRV][%s] transmit timed out %s\n", __FUNCTION__,dev->name);
}
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
static const struct net_device_ops nasmesh_netdev_ops = {
.ndo_open = oai_nw_drv_open,
.ndo_stop = oai_nw_drv_stop,
@@ -329,7 +328,6 @@ static const struct net_device_ops nasmesh_netdev_ops = {
.ndo_tx_timeout = oai_nw_drv_tx_timeout,
.ndo_change_rx_flags = oai_nw_drv_change_rx_flags,
};
-#endif
/*.ndo_set_multicast_list = NULL,*/
//---------------------------------------------------------------------------
@@ -367,9 +365,7 @@ void oai_nw_drv_init(struct net_device *dev){
set_bit(__LINK_STATE_PRESENT, &dev->state);
//
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
- printk("[OAI_IP_DRV][%s] KERNEL_VERSION_GREATER_THAN_2629\n", __FUNCTION__);
- #ifdef KERNEL_VERSION_GREATER_THAN_32
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)
printk("[OAI_IP_DRV][%s] KERNEL_VERSION_GREATER_THAN_32\n", __FUNCTION__);
#endif
dev->netdev_ops = &nasmesh_netdev_ops;
@@ -391,22 +387,6 @@ void oai_nw_drv_init(struct net_device *dev){
//346 }
ether_setup(dev);
#endif
-#else
- printk("[OAI_IP_DRV][%s] KERNEL_VERSION_LOWER_THAN_2629\n", __FUNCTION__);
- dev->open = oai_nw_drv_open;
- dev->stop = oai_nw_drv_stop;
- dev->set_config = oai_nw_drv_set_config;
- dev->hard_start_xmit = oai_nw_drv_hard_start_xmit;
- dev->do_ioctl = oai_nw_drv_CTL_ioctl;
- dev->get_stats = oai_nw_drv_get_stats;
- // dev->rebuild_header = NULL;
- // dev->hard_header = NULL;
- dev->change_mtu = oai_nw_drv_change_mtu;
- // dev->hard_header_cache = NULL;
- // dev->header_cache_update = NULL;
- dev->tx_timeout = oai_nw_drv_tx_timeout;
- dev->change_rx_flags = oai_nw_drv_change_rx_flags;
-#endif
//
// Initialize private structure
priv->rx_flags = OAI_NW_DRV_RESET_RX_FLAGS;
diff --git a/openair2/NAS/DRIVER/LITE/netlink.c b/openair2/NAS/DRIVER/LITE/netlink.c
index 83d0751ab791b2c66b030981b2883c2c1423e232..a1a8873b3f34af611f3e6d5acf3f6a5ab6710484 100755
--- a/openair2/NAS/DRIVER/LITE/netlink.c
+++ b/openair2/NAS/DRIVER/LITE/netlink.c
@@ -76,7 +76,6 @@ static inline void nasmesh_unlock(void)
mutex_unlock(&nasmesh_mutex);
}
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
// This can also be implemented using thread to get the data from PDCP without blocking.
static void nas_nl_data_ready (struct sk_buff *skb)
{
@@ -95,57 +94,6 @@ static void nas_nl_data_ready (struct sk_buff *skb)
//kfree_skb(skb); // not required,
}
}
-#else
-
-static struct task_struct *netlink_rx_thread;
-
-// this thread is used to avoid blocking other system calls from entering the kernel
-static int nas_netlink_rx_thread(void *data) {
-
- int err;
- struct sk_buff *skb = NULL;
- struct nlmsghdr *nlh = NULL;
-
- printk("[OAI_IP_DRV][NETLINK] Starting RX Thread \n");
-
- while (!kthread_should_stop()) {
-
- if (nas_nl_sk) {
- skb = skb_recv_datagram(nas_nl_sk, 0, 0, &err);
-
- if (skb) {
-
-#ifdef NETLINK_DEBUG
- printk("[OAI_IP_DRV][NETLINK] Received socket from PDCP\n");
-#endif //NETLINK_DEBUG
- nlh = (struct nlmsghdr *)skb->data;
-
- nas_COMMON_QOS_receive(nlh);
-
- skb_free_datagram(nas_nl_sk,skb);
- }
-
- }
- else {
- if (exit_netlink_thread == 1) {
- printk("[OAI_IP_DRV][NETLINK] exit_netlink_thread\n");
- break;
- }
- }
- } // while
-
- printk("[OAI_IP_DRV][NETLINK] Exiting RX thread\n");
-
- return(0);
-
-}
-
-static void nas_nl_data_ready (struct sock *sk, int len)
-
-{
- wake_up_interruptible(sk->sk_sleep);
-}
-#endif
int oai_nw_drv_netlink_init(void)
@@ -168,15 +116,11 @@ int oai_nw_drv_netlink_init(void)
&oai_netlink_cfg);
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0) */
nas_nl_sk = netlink_kernel_create(
-# ifdef KERNEL_VERSION_GREATER_THAN_2622
&init_net,
-# endif
NAS_NETLINK_ID,
0,
nas_nl_data_ready,
-# ifdef KERNEL_VERSION_GREATER_THAN_2622
&nasmesh_mutex, // NULL
-# endif
THIS_MODULE);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0) */
@@ -186,12 +130,7 @@ int oai_nw_drv_netlink_init(void)
return(-1);
}
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
-#else
- // Create receive thread
- netlink_rx_thread = kthread_run(nas_netlink_rx_thread, NULL, "NAS_NETLINK_RX_THREAD");
-#endif
return(0);
@@ -204,11 +143,7 @@ void oai_nw_drv_netlink_release(void) {
printk("[OAI_IP_DRV][NETLINK] Releasing netlink socket\n");
if(nas_nl_sk){
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
netlink_kernel_release(nas_nl_sk); //or skb->sk
-#else
- sock_release(nas_nl_sk->sk_socket);
-#endif
}
diff --git a/openair2/NAS/DRIVER/LITE/tool.c b/openair2/NAS/DRIVER/LITE/tool.c
index 3838613e0712be5a8f85bcaccd083d10122c7219..575717f76aecdf854c326137d58ce0ebc5103c1b 100755
--- a/openair2/NAS/DRIVER/LITE/tool.c
+++ b/openair2/NAS/DRIVER/LITE/tool.c
@@ -37,9 +37,6 @@
//#include <linux/udp.h>
//#include <linux/tcp.h>
-//#define KERNEL_VERSION_GREATER_THAN_2622 1
-//#define KERNEL_VERSION_GREATER_THAN_2630 1
-
//#define OAI_NW_DRV_DEBUG_TOOL 1
@@ -537,27 +534,15 @@ void print_TOOL_pk_ipv4(struct iphdr *iph){
void print_TOOL_pk_all(struct sk_buff *skb){
//---------------------------------------------------------------------------
printk("Skb:\t %u, len = %u\n", (unsigned int)skb, skb->len);
-#ifdef KERNEL_VERSION_GREATER_THAN_2629
//navid: need to calculate the current used space: fixme?
printk("Skb:\t available buf space = %u \n", skb->truesize);
-#else
- printk("Skb:\t available buf space = %u, cur used space = %u \n", skb->end-skb->head, skb->tail-skb->data);
-#endif
switch (ntohs(skb->protocol))
{
case ETH_P_IPV6:
-#ifdef KERNEL_VERSION_GREATER_THAN_2622
print_TOOL_pk_ipv6((struct ipv6hdr *)skb->network_header);
-#else
- print_TOOL_pk_ipv6(skb->nh.ipv6h);
-#endif
break;
case ETH_P_IP:
-#ifdef KERNEL_VERSION_GREATER_THAN_2622
print_TOOL_pk_ipv4((struct iphdr *)skb->network_header);
-#else
- print_TOOL_pk_ipv4(skb->nh.iph);
-#endif
break;
}
}