1 files changed, 0 insertions, 167 deletions
diff --git a/runtime/transport/netlink.c b/runtime/transport/netlink.c
deleted file mode 100644
index cc6f15e4..00000000
--- a/runtime/transport/netlink.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * netlink.c - stp relayfs-related transport functions
- *
- * Copyright (C) IBM Corporation, 2005
- * Copyright (C) Redhat Inc, 2005
- *
- * This file is released under the GPL.
- */
-
-/** @file netlink.c
- * @brief Systemtap netlink-related transport functions
- */
-
-/** @addtogroup transport Transport Functions
- * @{
- */
-
-#include "netlink.h"
-
-/* the control socket */
-extern struct sock *stp_control;
-
-/* queued packets logged from irq context */
-static struct sk_buff_head delayed_pkts;
-
-/* for netlink sequence numbers */
-static int seq;
-
-/**
- *	_stp_msg_rcv_skb - dispatch netlink control channel requests
- */
-static void _stp_msg_rcv_skb(struct sk_buff *skb,
-			     int (*cmd_handler) (int pid, int cmd, void *data))
-{
-	struct nlmsghdr *nlh = NULL;
-	int pid, flags;
-	int nlmsglen, skblen;
-	void *data;
-	
-	skblen = skb->len;
-	
-	if (skblen < sizeof (*nlh))
-		return;	
-
-	nlh = (struct nlmsghdr *)skb->data;
-	nlmsglen = nlh->nlmsg_len;
-	
-	if (nlmsglen < sizeof(*nlh) || skblen < nlmsglen)
-		return;
-
-	pid = nlh->nlmsg_pid;
-	flags = nlh->nlmsg_flags;
-
-	if (pid <= 0 || !(flags & NLM_F_REQUEST)) {
-		netlink_ack(skb, nlh, -EINVAL);
-		return;
-	}
-
-	if (flags & MSG_TRUNC) {
-		netlink_ack(skb, nlh, -ECOMM);
-		return;
-	}
-	
-	data = NLMSG_DATA(nlh);
-
-	if (cmd_handler(pid, nlh->nlmsg_type, data))
-		netlink_ack(skb, nlh, -EINVAL);		
-	
-	if (flags & NLM_F_ACK)
-		netlink_ack(skb, nlh, 0);
-}
-
-/**
- *	_stp_msg_rcv - handle netlink control channel requests
- */
-static void _stp_msg_rcv(struct sock *sk, int len)
-{
-	struct sk_buff *skb;
-	
-	while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
-		_stp_msg_rcv_skb(skb, sk->sk_user_data);
-		kfree_skb(skb);
-	}
-}
-
-/**
- *	_stp_send_delayed_packets - send delayed netlink packets
- */
-static void _stp_send_delayed_pkts(unsigned long ignored)
-{
-	struct sk_buff *skb;
-	while ((skb = skb_dequeue(&delayed_pkts)) != NULL) {
-		struct nlmsghdr *nlh = (struct nlmsghdr *)skb->data;
-		int pid = nlh->nlmsg_pid;
-		netlink_unicast(stp_control, skb, pid, MSG_DONTWAIT);
-	}
-}
-static DECLARE_TASKLET(delayed_pkts_tasklet, _stp_send_delayed_pkts, 0);
-
-/**
- *	_stp_netlink_send - send data over netlink channel
- *	@type: message type
- *	@data: data to send
- *	@len: length of data
- *	@pid: pid to send data to
- */
-int _stp_netlink_send(int type, void *data, int len, int pid)
-{
-	struct sk_buff *skb;
-	struct nlmsghdr *nlh;
-	void *d;
-	int size;
-	int err = 0;
-
-	size = NLMSG_SPACE(len);
-	skb = alloc_skb(size, GFP_ATOMIC);
-	if (!skb)
-		return -ENOMEM;
-
-	nlh = NLMSG_PUT(skb, pid, seq++, type, size - sizeof(*nlh));
-	nlh->nlmsg_flags = 0;
-	d = NLMSG_DATA(nlh);
-	memcpy(d, data, len);
-
-	if (in_irq()) {
-		skb_queue_tail(&delayed_pkts, skb);
-		tasklet_schedule(&delayed_pkts_tasklet);
-	} else
-		err = netlink_unicast(stp_control, skb, pid, MSG_DONTWAIT);
-
-	return err;
-
-nlmsg_failure:
-	if (skb)
-		kfree_skb(skb);
-	
-	return -1;
-}
-
-/**
- *	_stp_netlink_open - create netlink socket
- *	@unit: the netlink 'unit' to create
- *	@handler: handler function for stp 'commands'
- */
-struct sock *_stp_netlink_open(int unit,
-			       int (*handler) (int pid, int cmd, void *data))
-{
-	struct sock *nl = netlink_kernel_create(unit, _stp_msg_rcv);
-	if (!nl) {
-		printk("stp-control: couldn't create netlink transport\n");
-		return NULL;
-	}
-	nl->sk_user_data = handler;
-
-        skb_queue_head_init(&delayed_pkts);
-
-	return nl;
-}
-
-/**
- *	_stp_netlink_close - close netlink socket
- */
-void _stp_netlink_close (struct sock *nl)
-{
-	BUG_ON(!nl);
-	sock_release(nl->sk_socket);
-}