Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/net/rose/rose_loopback.c b/net/rose/rose_loopback.c
new file mode 100644
index 0000000..103b4d3
--- /dev/null
+++ b/net/rose/rose_loopback.c
@@ -0,0 +1,111 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
+ */
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/timer.h>
+#include <net/ax25.h>
+#include <linux/skbuff.h>
+#include <net/rose.h>
+#include <linux/init.h>
+
+static struct sk_buff_head loopback_queue;
+static struct timer_list loopback_timer;
+
+static void rose_set_loopback_timer(void);
+
+void rose_loopback_init(void)
+{
+ skb_queue_head_init(&loopback_queue);
+
+ init_timer(&loopback_timer);
+}
+
+static int rose_loopback_running(void)
+{
+ return timer_pending(&loopback_timer);
+}
+
+int rose_loopback_queue(struct sk_buff *skb, struct rose_neigh *neigh)
+{
+ struct sk_buff *skbn;
+
+ skbn = skb_clone(skb, GFP_ATOMIC);
+
+ kfree_skb(skb);
+
+ if (skbn != NULL) {
+ skb_queue_tail(&loopback_queue, skbn);
+
+ if (!rose_loopback_running())
+ rose_set_loopback_timer();
+ }
+
+ return 1;
+}
+
+static void rose_loopback_timer(unsigned long);
+
+static void rose_set_loopback_timer(void)
+{
+ del_timer(&loopback_timer);
+
+ loopback_timer.data = 0;
+ loopback_timer.function = &rose_loopback_timer;
+ loopback_timer.expires = jiffies + 10;
+
+ add_timer(&loopback_timer);
+}
+
+static void rose_loopback_timer(unsigned long param)
+{
+ struct sk_buff *skb;
+ struct net_device *dev;
+ rose_address *dest;
+ struct sock *sk;
+ unsigned short frametype;
+ unsigned int lci_i, lci_o;
+
+ while ((skb = skb_dequeue(&loopback_queue)) != NULL) {
+ lci_i = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
+ frametype = skb->data[2];
+ dest = (rose_address *)(skb->data + 4);
+ lci_o = 0xFFF - lci_i;
+
+ skb->h.raw = skb->data;
+
+ if ((sk = rose_find_socket(lci_o, rose_loopback_neigh)) != NULL) {
+ if (rose_process_rx_frame(sk, skb) == 0)
+ kfree_skb(skb);
+ continue;
+ }
+
+ if (frametype == ROSE_CALL_REQUEST) {
+ if ((dev = rose_dev_get(dest)) != NULL) {
+ if (rose_rx_call_request(skb, dev, rose_loopback_neigh, lci_o) == 0)
+ kfree_skb(skb);
+ } else {
+ kfree_skb(skb);
+ }
+ } else {
+ kfree_skb(skb);
+ }
+ }
+}
+
+void __exit rose_loopback_clear(void)
+{
+ struct sk_buff *skb;
+
+ del_timer(&loopback_timer);
+
+ while ((skb = skb_dequeue(&loopback_queue)) != NULL) {
+ skb->sk = NULL;
+ kfree_skb(skb);
+ }
+}