With this patch, non-real-time UDP packets a routed to the Linux
network stack as well. It is the users responsibility, to ensure
that UDP port numbers are used unambiguously in RTnet and Linux.
Signed-off-by: Wolfang Grandegger <[EMAIL PROTECTED]>
Index: rtnet/stack/ipv4/ip_input.c
===================================================================
--- rtnet.orig/stack/ipv4/ip_input.c
+++ rtnet/stack/ipv4/ip_input.c
@@ -70,6 +70,13 @@ static inline void rt_ip_local_deliver(s
} else {
/* Get the destination socket */
if ((sock = ipprot->dest_socket(skb)) == NULL) {
+#ifdef CONFIG_RTNET_ADDON_PROXY
+ if (rt_ip_fallback_handler) {
+ __rtskb_push(skb, iph->ihl*4);
+ rt_ip_fallback_handler(skb);
+ return;
+ }
+#endif
kfree_rtskb(skb);
return;
}
Index: rtnet/stack/ipv4/ip_fragment.c
===================================================================
--- rtnet.orig/stack/ipv4/ip_fragment.c
+++ rtnet/stack/ipv4/ip_fragment.c
@@ -33,6 +33,9 @@
#include <ipv4/ip_fragment.h>
+#ifdef CONFIG_RTNET_ADDON_PROXY
+#include <ipv4/ip_input.h>
+#endif /* CONFIG_RTNET_ADDON_PROXY */
/*
* This defined sets the number of incoming fragmented IP messages that
@@ -185,6 +188,14 @@ static struct rtskb *add_to_collector(st
rtdm_lock_put_irqrestore(&p_coll->frags.lock, context);
}
+#ifdef CONFIG_RTNET_ADDON_PROXY
+ if (rt_ip_fallback_handler) {
+ __rtskb_push(skb, iph->ihl*4);
+ rt_ip_fallback_handler(skb);
+ return NULL;
+ }
+#endif
+
#ifdef FRAG_DBG
rtdm_printk("RTnet: Unordered IP fragment (saddr:%x, daddr:%x)"
" - dropped\n", iph->saddr, iph->daddr);
@@ -276,6 +287,13 @@ struct rtskb *rt_ip_defrag(struct rtskb
{
/* Get the destination socket */
if ((sock = ipprot->dest_socket(skb)) == NULL) {
+#ifdef CONFIG_RTNET_ADDON_PROXY
+ if (rt_ip_fallback_handler) {
+ __rtskb_push(skb, iph->ihl*4);
+ rt_ip_fallback_handler(skb);
+ return NULL;
+ }
+#endif
/* Drop the rtskb */
kfree_rtskb(skb);
return NULL;
--
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