/*
* net/tipc/netlink.c: TIPC configuration handling
- *
- * Copyright (c) 2005, Wind River Systems
+ *
* Copyright (c) 2005-2006, Ericsson AB
+ * Copyright (c) 2005-2007, Wind River Systems
* All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
+ * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
struct nlmsghdr *req_nlh = info->nlhdr;
struct tipc_genlmsghdr *req_userhdr = info->userhdr;
int hdr_space = NLMSG_SPACE(GENL_HDRLEN + TIPC_GENL_HDRLEN);
+ u16 cmd;
if ((req_userhdr->cmd & 0xC000) && (!capable(CAP_NET_ADMIN)))
- rep_buf = cfg_reply_error_string(TIPC_CFG_NOT_NET_ADMIN);
+ cmd = TIPC_CMD_NOT_NET_ADMIN;
else
- rep_buf = cfg_do_cmd(req_userhdr->dest,
- req_userhdr->cmd,
- NLMSG_DATA(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN,
- NLMSG_PAYLOAD(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN),
- hdr_space);
+ cmd = req_userhdr->cmd;
+
+ rep_buf = tipc_cfg_do_cmd(req_userhdr->dest, cmd,
+ NLMSG_DATA(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN,
+ NLMSG_PAYLOAD(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN),
+ hdr_space);
if (rep_buf) {
skb_push(rep_buf, hdr_space);
- rep_nlh = (struct nlmsghdr *)rep_buf->data;
+ rep_nlh = nlmsg_hdr(rep_buf);
memcpy(rep_nlh, req_nlh, hdr_space);
rep_nlh->nlmsg_len = rep_buf->len;
- genlmsg_unicast(rep_buf, req_nlh->nlmsg_pid);
+ genlmsg_unicast(&init_net, rep_buf, NETLINK_CB(skb).pid);
}
- return 0;
+ return 0;
}
-static struct genl_family family = {
- .id = GENL_ID_GENERATE,
- .name = TIPC_GENL_NAME,
- .version = TIPC_GENL_VERSION,
- .hdrsize = TIPC_GENL_HDRLEN,
- .maxattr = 0,
- .owner = THIS_MODULE,
+static struct genl_family tipc_genl_family = {
+ .id = GENL_ID_GENERATE,
+ .name = TIPC_GENL_NAME,
+ .version = TIPC_GENL_VERSION,
+ .hdrsize = TIPC_GENL_HDRLEN,
+ .maxattr = 0,
};
-static struct genl_ops ops = {
+static struct genl_ops tipc_genl_ops = {
.cmd = TIPC_GENL_CMD,
.doit = handle_cmd,
};
-static int family_registered = 0;
+static int tipc_genl_family_registered;
-int netlink_start(void)
+int tipc_netlink_start(void)
{
- if (genl_register_family(&family))
- goto err;
-
- family_registered = 1;
+ int res;
- if (genl_register_ops(&family, &ops))
- goto err_unregister;
+ res = genl_register_family_with_ops(&tipc_genl_family,
+ &tipc_genl_ops, 1);
+ if (res) {
+ err("Failed to register netlink interface\n");
+ return res;
+ }
+ tipc_genl_family_registered = 1;
return 0;
-
- err_unregister:
- genl_unregister_family(&family);
- family_registered = 0;
- err:
- err("Failed to register netlink interface");
- return -EFAULT;
}
-void netlink_stop(void)
+void tipc_netlink_stop(void)
{
- if (family_registered) {
- genl_unregister_family(&family);
- family_registered = 0;
- }
+ if (!tipc_genl_family_registered)
+ return;
+
+ genl_unregister_family(&tipc_genl_family);
+ tipc_genl_family_registered = 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff