--- /dev/null
+#ifndef __LINUX_IF_WRAPPER_H
+#define __LINUX_IF_WRAPPER_H 1
+
+#include_next <linux/if.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
+
+#define IFF_XMIT_DST_RELEASE 0
+
+#endif /* linux kernel < 2.6.31 */
+
+#endif
--- /dev/null
+#ifndef __LINUX_IF_ETHER_WRAPPER_H
+#define __LINUX_IF_ETHER_WRAPPER_H 1
+
+#include_next <linux/if_ether.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
+
+#define ETH_P_TEB 0x6558 /* Trans Ether Bridging */
+
+#endif /* linux kernel < 2.6.28 */
+
+#endif
--- /dev/null
+#ifndef __LINUX_IN_WRAPPER_H
+#define __LINUX_IN_WRAPPER_H 1
+
+#include_next <linux/in.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+
+static inline bool ipv4_is_multicast(__be32 addr)
+{
+ return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
+}
+
+#endif /* linux kernel < 2.6.25 */
+
+#endif
--- /dev/null
+#ifndef __LINUX_INETDEVICE_WRAPPER_H
+#define __LINUX_INETDEVICE_WRAPPER_H 1
+
+#include_next <linux/inetdevice.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+
+#define inetdev_by_index(net, ifindex) \
+ inetdev_by_index((ifindex))
+
+#endif /* linux kernel < 2.6.25 */
+
+#endif
struct net;
+#include <linux/version.h>
/* Before 2.6.21, struct net_device has a "struct class_device" member named
* class_dev. Beginning with 2.6.21, struct net_device instead has a "struct
* device" member named dev. Otherwise the usage of these members is pretty
static inline
struct net *dev_net(const struct net_device *dev)
{
+#ifdef CONFIG_NET_NS
+ return dev->nd_net;
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+ return &init_net;
+#else
return NULL;
+#endif
+}
+
+static inline
+void dev_net_set(struct net_device *dev, const struct net *net)
+{
+#ifdef CONFIG_NET_NS
+ dev->nd_dev = net;
+#endif
}
#endif /* linux kernel < 2.6.26 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+#define NETIF_F_NETNS_LOCAL 0
+#endif
+
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
#define proc_net init_net.proc_net
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+typedef int netdev_tx_t;
+#endif
+
#ifndef for_each_netdev
/* Linux before 2.6.22 didn't have for_each_netdev at all. */
#define for_each_netdev(net, d) for (d = dev_base; d; d = d->next)
}
#endif /* !HAVE_SKB_COW */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
+static inline int skb_clone_writable(struct sk_buff *skb, int len)
+{
+ return false;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
+static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
+{
+ return (struct dst_entry *)skb->dst;
+}
+
+static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)
+{
+ skb->dst = dst;
+}
+
+static inline struct rtable *skb_rtable(const struct sk_buff *skb)
+{
+ return (struct rtable *)skb->dst;
+}
+#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
/* Emulate Linux 2.6.17 and later behavior, in which kfree_skb silently ignores
#ifdef HAVE_MAC_RAW
#define mac_header mac.raw
#define network_header nh.raw
+#define transport_header h.raw
#endif
#ifndef HAVE_SKBUFF_HEADER_HELPERS
--- /dev/null
+#ifndef __NET_DST_WRAPPER_H
+#define __NET_DST_WRAPPER_H 1
+
+#include_next <net/dst.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
+
+static inline void skb_dst_drop(struct sk_buff *skb)
+{
+ if (skb->dst)
+ dst_release(skb_dst(skb));
+ skb->dst = 0UL;
+}
+
+#endif /* linux kernel < 2.6.31 */
+
+#endif
--- /dev/null
+#ifndef __NET_IPIP_WRAPPER_H
+#define __NET_IPIP_WRAPPER_H 1
+
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+
+#include <linux/if_tunnel.h>
+#include <net/ip.h>
+
+/* Keep error state on tunnel for 30 sec */
+#define IPTUNNEL_ERR_TIMEO (30*HZ)
+
+struct ip_tunnel
+{
+ struct ip_tunnel *next;
+ struct net_device *dev;
+#ifndef HAVE_NETDEV_STATS
+ struct net_device_stats stat;
+#endif
+
+ int err_count; /* Number of arrived ICMP errors */
+ unsigned long err_time; /* Time when the last ICMP error arrived */
+
+ /* These four fields used only by GRE */
+ __u32 i_seqno; /* The last seen seqno */
+ __u32 o_seqno; /* The last output seqno */
+ int hlen; /* Precalculated GRE header length */
+ int mlink;
+
+ struct ip_tunnel_parm parms;
+
+ struct ip_tunnel_prl_entry *prl; /* potential router list */
+ unsigned int prl_count; /* # of entries in PRL */
+};
+
+/* ISATAP: default interval between RS in secondy */
+#define IPTUNNEL_RS_DEFAULT_DELAY (900)
+
+struct ip_tunnel_prl_entry
+{
+ struct ip_tunnel_prl_entry *next;
+ __be32 addr;
+ u16 flags;
+ unsigned long rs_delay;
+ struct timer_list rs_timer;
+ struct ip_tunnel *tunnel;
+ spinlock_t lock;
+};
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+#define IPTUNNEL_XMIT() do { \
+ int err; \
+ int pkt_len = skb->len - skb_transport_offset(skb); \
+ \
+ skb->ip_summed = CHECKSUM_NONE; \
+ iph->tot_len = htons(skb->len); \
+ ip_select_ident(iph, &rt->u.dst, NULL); \
+ ip_send_check(iph); \
+ \
+ err = NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, rt->u.dst.dev, dst_output);\
+ if (err == NET_XMIT_SUCCESS || err == NET_XMIT_CN) { \
+ stats->tx_bytes += pkt_len; \
+ stats->tx_packets++; \
+ } else { \
+ stats->tx_errors++; \
+ stats->tx_aborted_errors++; \
+ } \
+} while (0)
+#else
+#define IPTUNNEL_XMIT() do { \
+ int err; \
+ int pkt_len = skb->len; \
+ \
+ skb->ip_summed = CHECKSUM_NONE; \
+ ip_select_ident(iph, &rt->u.dst, NULL); \
+ \
+ err = ip_local_out(skb); \
+ if (net_xmit_eval(err) == 0) { \
+ stats->tx_bytes += pkt_len; \
+ stats->tx_packets++; \
+ } else { \
+ stats->tx_errors++; \
+ stats->tx_aborted_errors++; \
+ } \
+} while (0)
+#endif
+
+#else
+#include_next <net/ipip.h>
+#endif /* kernel < 2.6.32 */
+
+#endif /* net/ipip.h wrapper */
--- /dev/null
+#ifndef __NET_NAMESPACE_WRAPPER_H
+#define __NET_NAMESPACE_WRAPPER_H 1
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,24)
+#include_next <net/net_namespace.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+struct net;
+
+struct pernet_operations {
+ struct list_head list;
+ int (*init)(struct net *net);
+ void (*exit)(struct net *net);
+};
+#endif /* linux kernel < 2.6.24 */
+
+extern int register_pernet_gen_device(int *id, struct pernet_operations *);
+extern void unregister_pernet_gen_device(int id, struct pernet_operations *);
+
+#endif /* linux kernel < 2.6.26 */
+
+#endif
--- /dev/null
+#ifndef __NET_NETNS_GENERIC_WRAPPER_H
+#define __NET_NETNS_GENERIC_WRAPPER_H 1
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+
+struct net;
+
+extern void *net_generic(struct net *net, int id);
+extern int net_assign_generic(struct net *net, int id, void *data);
+
+#else
+#include_next <net/netns/generic.h>
+#endif /* linux kernel < 2.6.26 */
+
+#endif
--- /dev/null
+#ifndef __NET_ROUTE_WRAPPER_H
+#define __NET_ROUTE_WRAPPER_H 1
+
+#include_next <net/route.h>
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
+
+#define ip_route_output_key(net, rp, flp) \
+ ip_route_output_key((rp), (flp))
+
+#endif /* linux kernel < 2.6.25 */
+
+#endif
--- /dev/null
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+
+#include <linux/sched.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+
+/* This trivial implementation assumes that there is only a single pernet
+ * generic device registered and that the caller is well behaved. It only
+ * weakly attempts to check that these conditions are true. */
+
+static bool device_registered;
+static void *ng_data;
+
+int register_pernet_gen_device(int *id, struct pernet_operations *ops)
+{
+ BUG_ON(device_registered);
+
+ *id = 1;
+ device_registered = true;
+
+ if (ops->init == NULL)
+ return 0;
+ return ops->init(NULL);
+}
+
+void unregister_pernet_gen_device(int id, struct pernet_operations *ops)
+{
+ device_registered = false;
+ if (ops->exit)
+ ops->exit(NULL);
+}
+
+int net_assign_generic(struct net *net, int id, void *data)
+{
+ BUG_ON(id != 1);
+
+ ng_data = data;
+ return 0;
+}
+
+void *net_generic(struct net *net, int id)
+{
+ BUG_ON(id != 1);
+
+ return ng_data;
+}
+
+#endif /* kernel < 2.6.26 */
projects / openvswitch / commitdiff