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@@ -0,0 +1,1084 @@
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+/*
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+ * Copyright (c) 2014, Ericsson AB
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are met:
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+ *
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+ * 1. Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * 2. Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ * 3. Neither the names of the copyright holders nor the names of its
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+ * contributors may be used to endorse or promote products derived from
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+ * this software without specific prior written permission.
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+ *
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+ * Alternatively, this software may be distributed under the terms of the
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+ * GNU General Public License ("GPL") version 2 as published by the Free
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+ * Software Foundation.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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+ * POSSIBILITY OF SUCH DAMAGE.
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+ */
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+
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+#include "core.h"
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+#include "bearer.h"
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+#include "link.h"
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+#include "name_table.h"
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+#include "socket.h"
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+#include "node.h"
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+#include "net.h"
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+#include <net/genetlink.h>
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+#include <linux/tipc_config.h>
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+
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+/* The legacy API had an artificial message length limit called
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+ * ULTRA_STRING_MAX_LEN.
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+ */
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+#define ULTRA_STRING_MAX_LEN 32768
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+
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+#define TIPC_SKB_MAX TLV_SPACE(ULTRA_STRING_MAX_LEN)
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+
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+#define REPLY_TRUNCATED "<truncated>\n"
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+
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+struct tipc_nl_compat_msg {
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+ u16 cmd;
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+ int rep_type;
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+ int rep_size;
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+ int req_type;
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+ struct sk_buff *rep;
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+ struct tlv_desc *req;
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+ struct sock *dst_sk;
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+};
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+
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+struct tipc_nl_compat_cmd_dump {
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+ int (*header)(struct tipc_nl_compat_msg *);
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+ int (*dumpit)(struct sk_buff *, struct netlink_callback *);
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+ int (*format)(struct tipc_nl_compat_msg *msg, struct nlattr **attrs);
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+};
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+
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+struct tipc_nl_compat_cmd_doit {
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+ int (*doit)(struct sk_buff *skb, struct genl_info *info);
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+ int (*transcode)(struct sk_buff *skb, struct tipc_nl_compat_msg *msg);
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+};
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+
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+static int tipc_skb_tailroom(struct sk_buff *skb)
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+{
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+ int tailroom;
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+ int limit;
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+
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+ tailroom = skb_tailroom(skb);
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+ limit = TIPC_SKB_MAX - skb->len;
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+
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+ if (tailroom < limit)
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+ return tailroom;
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+
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+ return limit;
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+}
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+
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+static int tipc_add_tlv(struct sk_buff *skb, u16 type, void *data, u16 len)
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+{
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+ struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(skb);
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+
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+ if (tipc_skb_tailroom(skb) < TLV_SPACE(len))
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+ return -EMSGSIZE;
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+
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+ skb_put(skb, TLV_SPACE(len));
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+ tlv->tlv_type = htons(type);
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+ tlv->tlv_len = htons(TLV_LENGTH(len));
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+ if (len && data)
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+ memcpy(TLV_DATA(tlv), data, len);
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+
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+ return 0;
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+}
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+
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+static void tipc_tlv_init(struct sk_buff *skb, u16 type)
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+{
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+ struct tlv_desc *tlv = (struct tlv_desc *)skb->data;
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+
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+ TLV_SET_LEN(tlv, 0);
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+ TLV_SET_TYPE(tlv, type);
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+ skb_put(skb, sizeof(struct tlv_desc));
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+}
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+
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+static int tipc_tlv_sprintf(struct sk_buff *skb, const char *fmt, ...)
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+{
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+ int n;
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+ u16 len;
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+ u32 rem;
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+ char *buf;
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+ struct tlv_desc *tlv;
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+ va_list args;
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+
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+ rem = tipc_skb_tailroom(skb);
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+
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+ tlv = (struct tlv_desc *)skb->data;
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+ len = TLV_GET_LEN(tlv);
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+ buf = TLV_DATA(tlv) + len;
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+
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+ va_start(args, fmt);
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+ n = vscnprintf(buf, rem, fmt, args);
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+ va_end(args);
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+
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+ TLV_SET_LEN(tlv, n + len);
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+ skb_put(skb, n);
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+
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+ return n;
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+}
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+
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+static struct sk_buff *tipc_tlv_alloc(int size)
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+{
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+ int hdr_len;
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+ struct sk_buff *buf;
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+
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+ size = TLV_SPACE(size);
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+ hdr_len = nlmsg_total_size(GENL_HDRLEN + TIPC_GENL_HDRLEN);
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+
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+ buf = alloc_skb(hdr_len + size, GFP_KERNEL);
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+ if (!buf)
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+ return NULL;
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+
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+ skb_reserve(buf, hdr_len);
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+
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+ return buf;
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+}
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+
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+static struct sk_buff *tipc_get_err_tlv(char *str)
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+{
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+ int str_len = strlen(str) + 1;
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+ struct sk_buff *buf;
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+
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+ buf = tipc_tlv_alloc(TLV_SPACE(str_len));
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+ if (buf)
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+ tipc_add_tlv(buf, TIPC_TLV_ERROR_STRING, str, str_len);
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+
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+ return buf;
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+}
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+
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+static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
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+ struct tipc_nl_compat_msg *msg,
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+ struct sk_buff *arg)
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+{
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+ int len = 0;
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+ int err;
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+ struct sk_buff *buf;
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+ struct nlmsghdr *nlmsg;
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+ struct netlink_callback cb;
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+
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+ memset(&cb, 0, sizeof(cb));
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+ cb.nlh = (struct nlmsghdr *)arg->data;
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+ cb.skb = arg;
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+
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+ buf = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
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+ if (!buf)
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+ return -ENOMEM;
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+
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+ buf->sk = msg->dst_sk;
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+
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+ do {
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+ int rem;
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+
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+ len = (*cmd->dumpit)(buf, &cb);
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+
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+ nlmsg_for_each_msg(nlmsg, nlmsg_hdr(buf), len, rem) {
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+ struct nlattr **attrs;
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+
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+ err = tipc_nlmsg_parse(nlmsg, &attrs);
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+ if (err)
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+ goto err_out;
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+
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+ err = (*cmd->format)(msg, attrs);
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+ if (err)
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+ goto err_out;
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+
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+ if (tipc_skb_tailroom(msg->rep) <= 1) {
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+ err = -EMSGSIZE;
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+ goto err_out;
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+ }
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+ }
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+
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+ skb_reset_tail_pointer(buf);
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+ buf->len = 0;
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+
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+ } while (len);
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+
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+ err = 0;
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+
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+err_out:
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+ kfree_skb(buf);
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+
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+ if (err == -EMSGSIZE) {
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+ /* The legacy API only considered messages filling
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+ * "ULTRA_STRING_MAX_LEN" to be truncated.
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+ */
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+ if ((TIPC_SKB_MAX - msg->rep->len) <= 1) {
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+ char *tail = skb_tail_pointer(msg->rep);
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+
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+ if (*tail != '\0')
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+ sprintf(tail - sizeof(REPLY_TRUNCATED) - 1,
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+ REPLY_TRUNCATED);
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+ }
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+
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+ return 0;
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+ }
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+
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+ return err;
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+}
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+
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+static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
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+ struct tipc_nl_compat_msg *msg)
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+{
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+ int err;
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+ struct sk_buff *arg;
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+
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+ if (msg->req_type && !TLV_CHECK_TYPE(msg->req, msg->req_type))
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+ return -EINVAL;
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+
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+ msg->rep = tipc_tlv_alloc(msg->rep_size);
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+ if (!msg->rep)
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+ return -ENOMEM;
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+
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+ if (msg->rep_type)
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+ tipc_tlv_init(msg->rep, msg->rep_type);
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+
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+ if (cmd->header)
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+ (*cmd->header)(msg);
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+
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+ arg = nlmsg_new(0, GFP_KERNEL);
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+ if (!arg) {
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+ kfree_skb(msg->rep);
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+ return -ENOMEM;
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+ }
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+
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+ err = __tipc_nl_compat_dumpit(cmd, msg, arg);
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+ if (err)
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+ kfree_skb(msg->rep);
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+
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+ kfree_skb(arg);
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+
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+ return err;
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+}
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+
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+static int __tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd,
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+ struct tipc_nl_compat_msg *msg)
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+{
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+ int err;
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+ struct sk_buff *doit_buf;
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+ struct sk_buff *trans_buf;
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+ struct nlattr **attrbuf;
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+ struct genl_info info;
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+
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+ trans_buf = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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+ if (!trans_buf)
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+ return -ENOMEM;
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+
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+ err = (*cmd->transcode)(trans_buf, msg);
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+ if (err)
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+ goto trans_out;
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+
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+ attrbuf = kmalloc((tipc_genl_family.maxattr + 1) *
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+ sizeof(struct nlattr *), GFP_KERNEL);
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+ if (!attrbuf) {
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+ err = -ENOMEM;
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+ goto trans_out;
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+ }
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+
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+ err = nla_parse(attrbuf, tipc_genl_family.maxattr,
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+ (const struct nlattr *)trans_buf->data,
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+ trans_buf->len, NULL);
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+ if (err)
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+ goto parse_out;
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+
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+ doit_buf = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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+ if (!doit_buf) {
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+ err = -ENOMEM;
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+ goto parse_out;
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+ }
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+
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+ doit_buf->sk = msg->dst_sk;
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+
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+ memset(&info, 0, sizeof(info));
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+ info.attrs = attrbuf;
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+
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+ err = (*cmd->doit)(doit_buf, &info);
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+
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+ kfree_skb(doit_buf);
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+parse_out:
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+ kfree(attrbuf);
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+trans_out:
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+ kfree_skb(trans_buf);
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+
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+ return err;
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+}
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+
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+static int tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd,
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+ struct tipc_nl_compat_msg *msg)
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+{
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+ int err;
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+
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+ if (msg->req_type && !TLV_CHECK_TYPE(msg->req, msg->req_type))
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+ return -EINVAL;
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+
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+ err = __tipc_nl_compat_doit(cmd, msg);
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+ if (err)
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+ return err;
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+
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+ /* The legacy API considered an empty message a success message */
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+ msg->rep = tipc_tlv_alloc(0);
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+ if (!msg->rep)
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+ return -ENOMEM;
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+
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+ return 0;
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+}
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+
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+static int tipc_nl_compat_bearer_dump(struct tipc_nl_compat_msg *msg,
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+ struct nlattr **attrs)
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+{
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+ struct nlattr *bearer[TIPC_NLA_BEARER_MAX + 1];
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+
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+ nla_parse_nested(bearer, TIPC_NLA_BEARER_MAX, attrs[TIPC_NLA_BEARER],
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+ NULL);
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+
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+ return tipc_add_tlv(msg->rep, TIPC_TLV_BEARER_NAME,
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+ nla_data(bearer[TIPC_NLA_BEARER_NAME]),
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+ nla_len(bearer[TIPC_NLA_BEARER_NAME]));
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+}
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+
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+static int tipc_nl_compat_bearer_enable(struct sk_buff *skb,
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+ struct tipc_nl_compat_msg *msg)
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+{
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+ struct nlattr *prop;
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+ struct nlattr *bearer;
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+ struct tipc_bearer_config *b;
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+
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+ b = (struct tipc_bearer_config *)TLV_DATA(msg->req);
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+
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+ bearer = nla_nest_start(skb, TIPC_NLA_BEARER);
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+ if (!bearer)
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+ return -EMSGSIZE;
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+
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+ if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, b->name))
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+ return -EMSGSIZE;
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+
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+ if (nla_put_u32(skb, TIPC_NLA_BEARER_DOMAIN, ntohl(b->disc_domain)))
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+ return -EMSGSIZE;
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+
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+ if (ntohl(b->priority) <= TIPC_MAX_LINK_PRI) {
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+ prop = nla_nest_start(skb, TIPC_NLA_BEARER_PROP);
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+ if (!prop)
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+ return -EMSGSIZE;
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+ if (nla_put_u32(skb, TIPC_NLA_PROP_PRIO, ntohl(b->priority)))
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+ return -EMSGSIZE;
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+ nla_nest_end(skb, prop);
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+ }
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+ nla_nest_end(skb, bearer);
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+
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+ return 0;
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+}
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+
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+static int tipc_nl_compat_bearer_disable(struct sk_buff *skb,
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+ struct tipc_nl_compat_msg *msg)
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+{
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+ char *name;
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+ struct nlattr *bearer;
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+
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+ name = (char *)TLV_DATA(msg->req);
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+
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+ bearer = nla_nest_start(skb, TIPC_NLA_BEARER);
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+ if (!bearer)
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+ return -EMSGSIZE;
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+
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+ if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, name))
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+ return -EMSGSIZE;
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+
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+ nla_nest_end(skb, bearer);
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+
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+ return 0;
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+}
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+
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+static inline u32 perc(u32 count, u32 total)
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+{
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+ return (count * 100 + (total / 2)) / total;
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+}
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+
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+static void __fill_bc_link_stat(struct tipc_nl_compat_msg *msg,
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+ struct nlattr *prop[], struct nlattr *stats[])
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+{
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|
+ tipc_tlv_sprintf(msg->rep, " Window:%u packets\n",
|
|
|
+ nla_get_u32(prop[TIPC_NLA_PROP_WIN]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " RX packets:%u fragments:%u/%u bundles:%u/%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_INFO]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " TX packets:%u fragments:%u/%u bundles:%u/%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_INFO]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, " RX naks:%u defs:%u dups:%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_DUPLICATES]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, " TX naks:%u acks:%u dups:%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " Congestion link:%u Send queue max:%u avg:%u",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE]));
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ char *name;
|
|
|
+ struct nlattr *link[TIPC_NLA_LINK_MAX + 1];
|
|
|
+ struct nlattr *prop[TIPC_NLA_PROP_MAX + 1];
|
|
|
+ struct nlattr *stats[TIPC_NLA_STATS_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], NULL);
|
|
|
+
|
|
|
+ nla_parse_nested(prop, TIPC_NLA_PROP_MAX, link[TIPC_NLA_LINK_PROP],
|
|
|
+ NULL);
|
|
|
+
|
|
|
+ nla_parse_nested(stats, TIPC_NLA_STATS_MAX, link[TIPC_NLA_LINK_STATS],
|
|
|
+ NULL);
|
|
|
+
|
|
|
+ name = (char *)TLV_DATA(msg->req);
|
|
|
+ if (strcmp(name, nla_data(link[TIPC_NLA_LINK_NAME])) != 0)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, "\nLink <%s>\n",
|
|
|
+ nla_data(link[TIPC_NLA_LINK_NAME]));
|
|
|
+
|
|
|
+ if (link[TIPC_NLA_LINK_BROADCAST]) {
|
|
|
+ __fill_bc_link_stat(msg, prop, stats);
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (link[TIPC_NLA_LINK_ACTIVE])
|
|
|
+ tipc_tlv_sprintf(msg->rep, " ACTIVE");
|
|
|
+ else if (link[TIPC_NLA_LINK_UP])
|
|
|
+ tipc_tlv_sprintf(msg->rep, " STANDBY");
|
|
|
+ else
|
|
|
+ tipc_tlv_sprintf(msg->rep, " DEFUNCT");
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, " MTU:%u Priority:%u",
|
|
|
+ nla_get_u32(link[TIPC_NLA_LINK_MTU]),
|
|
|
+ nla_get_u32(prop[TIPC_NLA_PROP_PRIO]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, " Tolerance:%u ms Window:%u packets\n",
|
|
|
+ nla_get_u32(prop[TIPC_NLA_PROP_TOL]),
|
|
|
+ nla_get_u32(prop[TIPC_NLA_PROP_WIN]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " RX packets:%u fragments:%u/%u bundles:%u/%u\n",
|
|
|
+ nla_get_u32(link[TIPC_NLA_LINK_RX]) -
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_INFO]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " TX packets:%u fragments:%u/%u bundles:%u/%u\n",
|
|
|
+ nla_get_u32(link[TIPC_NLA_LINK_TX]) -
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_INFO]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " TX profile sample:%u packets average:%u octets\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_CNT]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_TOT]) /
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " 0-64:%u%% -256:%u%% -1024:%u%% -4096:%u%% ",
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P0]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])),
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P1]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])),
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P2]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])),
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P3]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, "-16384:%u%% -32768:%u%% -66000:%u%%\n",
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P4]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])),
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P5]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])),
|
|
|
+ perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P6]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " RX states:%u probes:%u naks:%u defs:%u dups:%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_STATES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_PROBES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_DUPLICATES]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " TX states:%u probes:%u naks:%u acks:%u dups:%u\n",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_STATES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_PROBES]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED]));
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep,
|
|
|
+ " Congestion link:%u Send queue max:%u avg:%u",
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]),
|
|
|
+ nla_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE]));
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ struct nlattr *link[TIPC_NLA_LINK_MAX + 1];
|
|
|
+ struct tipc_link_info link_info;
|
|
|
+
|
|
|
+ nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], NULL);
|
|
|
+
|
|
|
+ link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
|
|
|
+ link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
|
|
|
+ strcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]));
|
|
|
+
|
|
|
+ return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO,
|
|
|
+ &link_info, sizeof(link_info));
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_link_set(struct sk_buff *skb,
|
|
|
+ struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ struct nlattr *link;
|
|
|
+ struct nlattr *prop;
|
|
|
+ struct tipc_link_config *lc;
|
|
|
+
|
|
|
+ lc = (struct tipc_link_config *)TLV_DATA(msg->req);
|
|
|
+
|
|
|
+ link = nla_nest_start(skb, TIPC_NLA_LINK);
|
|
|
+ if (!link)
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ if (nla_put_string(skb, TIPC_NLA_LINK_NAME, lc->name))
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ prop = nla_nest_start(skb, TIPC_NLA_LINK_PROP);
|
|
|
+ if (!prop)
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ if (msg->cmd == TIPC_CMD_SET_LINK_PRI) {
|
|
|
+ if (nla_put_u32(skb, TIPC_NLA_PROP_PRIO, ntohl(lc->value)))
|
|
|
+ return -EMSGSIZE;
|
|
|
+ } else if (msg->cmd == TIPC_CMD_SET_LINK_TOL) {
|
|
|
+ if (nla_put_u32(skb, TIPC_NLA_PROP_TOL, ntohl(lc->value)))
|
|
|
+ return -EMSGSIZE;
|
|
|
+ } else if (msg->cmd == TIPC_CMD_SET_LINK_WINDOW) {
|
|
|
+ if (nla_put_u32(skb, TIPC_NLA_PROP_WIN, ntohl(lc->value)))
|
|
|
+ return -EMSGSIZE;
|
|
|
+ }
|
|
|
+
|
|
|
+ nla_nest_end(skb, prop);
|
|
|
+ nla_nest_end(skb, link);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_link_reset_stats(struct sk_buff *skb,
|
|
|
+ struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ char *name;
|
|
|
+ struct nlattr *link;
|
|
|
+
|
|
|
+ name = (char *)TLV_DATA(msg->req);
|
|
|
+
|
|
|
+ link = nla_nest_start(skb, TIPC_NLA_LINK);
|
|
|
+ if (!link)
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ if (nla_put_string(skb, TIPC_NLA_LINK_NAME, name))
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ nla_nest_end(skb, link);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_name_table_dump_header(struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ u32 depth;
|
|
|
+ struct tipc_name_table_query *ntq;
|
|
|
+ static const char * const header[] = {
|
|
|
+ "Type ",
|
|
|
+ "Lower Upper ",
|
|
|
+ "Port Identity ",
|
|
|
+ "Publication Scope"
|
|
|
+ };
|
|
|
+
|
|
|
+ ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
|
|
|
+
|
|
|
+ depth = ntohl(ntq->depth);
|
|
|
+
|
|
|
+ if (depth > 4)
|
|
|
+ depth = 4;
|
|
|
+ for (i = 0; i < depth; i++)
|
|
|
+ tipc_tlv_sprintf(msg->rep, header[i]);
|
|
|
+ tipc_tlv_sprintf(msg->rep, "\n");
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ char port_str[27];
|
|
|
+ struct tipc_name_table_query *ntq;
|
|
|
+ struct nlattr *nt[TIPC_NLA_NAME_TABLE_MAX + 1];
|
|
|
+ struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1];
|
|
|
+ u32 node, depth, type, lowbound, upbound;
|
|
|
+ static const char * const scope_str[] = {"", " zone", " cluster",
|
|
|
+ " node"};
|
|
|
+
|
|
|
+ nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX,
|
|
|
+ attrs[TIPC_NLA_NAME_TABLE], NULL);
|
|
|
+
|
|
|
+ nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, nt[TIPC_NLA_NAME_TABLE_PUBL],
|
|
|
+ NULL);
|
|
|
+
|
|
|
+ ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
|
|
|
+
|
|
|
+ depth = ntohl(ntq->depth);
|
|
|
+ type = ntohl(ntq->type);
|
|
|
+ lowbound = ntohl(ntq->lowbound);
|
|
|
+ upbound = ntohl(ntq->upbound);
|
|
|
+
|
|
|
+ if (!(depth & TIPC_NTQ_ALLTYPES) &&
|
|
|
+ (type != nla_get_u32(publ[TIPC_NLA_PUBL_TYPE])))
|
|
|
+ return 0;
|
|
|
+ if (lowbound && (lowbound > nla_get_u32(publ[TIPC_NLA_PUBL_UPPER])))
|
|
|
+ return 0;
|
|
|
+ if (upbound && (upbound < nla_get_u32(publ[TIPC_NLA_PUBL_LOWER])))
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, "%-10u ",
|
|
|
+ nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]));
|
|
|
+
|
|
|
+ if (depth == 1)
|
|
|
+ goto out;
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, "%-10u %-10u ",
|
|
|
+ nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]),
|
|
|
+ nla_get_u32(publ[TIPC_NLA_PUBL_UPPER]));
|
|
|
+
|
|
|
+ if (depth == 2)
|
|
|
+ goto out;
|
|
|
+
|
|
|
+ node = nla_get_u32(publ[TIPC_NLA_PUBL_NODE]);
|
|
|
+ sprintf(port_str, "<%u.%u.%u:%u>", tipc_zone(node), tipc_cluster(node),
|
|
|
+ tipc_node(node), nla_get_u32(publ[TIPC_NLA_PUBL_REF]));
|
|
|
+ tipc_tlv_sprintf(msg->rep, "%-26s ", port_str);
|
|
|
+
|
|
|
+ if (depth == 3)
|
|
|
+ goto out;
|
|
|
+
|
|
|
+ tipc_tlv_sprintf(msg->rep, "%-10u %s",
|
|
|
+ nla_get_u32(publ[TIPC_NLA_PUBL_REF]),
|
|
|
+ scope_str[nla_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]);
|
|
|
+out:
|
|
|
+ tipc_tlv_sprintf(msg->rep, "\n");
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int __tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ u32 type, lower, upper;
|
|
|
+ struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, attrs[TIPC_NLA_PUBL], NULL);
|
|
|
+
|
|
|
+ type = nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]);
|
|
|
+ lower = nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]);
|
|
|
+ upper = nla_get_u32(publ[TIPC_NLA_PUBL_UPPER]);
|
|
|
+
|
|
|
+ if (lower == upper)
|
|
|
+ tipc_tlv_sprintf(msg->rep, " {%u,%u}", type, lower);
|
|
|
+ else
|
|
|
+ tipc_tlv_sprintf(msg->rep, " {%u,%u,%u}", type, lower, upper);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
|
|
|
+{
|
|
|
+ int err;
|
|
|
+ void *hdr;
|
|
|
+ struct nlattr *nest;
|
|
|
+ struct sk_buff *args;
|
|
|
+ struct tipc_nl_compat_cmd_dump dump;
|
|
|
+
|
|
|
+ args = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
|
|
|
+ if (!args)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
|
|
|
+ TIPC_NL_PUBL_GET);
|
|
|
+
|
|
|
+ nest = nla_nest_start(args, TIPC_NLA_SOCK);
|
|
|
+ if (!nest) {
|
|
|
+ kfree_skb(args);
|
|
|
+ return -EMSGSIZE;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (nla_put_u32(args, TIPC_NLA_SOCK_REF, sock)) {
|
|
|
+ kfree_skb(args);
|
|
|
+ return -EMSGSIZE;
|
|
|
+ }
|
|
|
+
|
|
|
+ nla_nest_end(args, nest);
|
|
|
+ genlmsg_end(args, hdr);
|
|
|
+
|
|
|
+ dump.dumpit = tipc_nl_publ_dump;
|
|
|
+ dump.format = __tipc_nl_compat_publ_dump;
|
|
|
+
|
|
|
+ err = __tipc_nl_compat_dumpit(&dump, msg, args);
|
|
|
+
|
|
|
+ kfree_skb(args);
|
|
|
+
|
|
|
+ return err;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ int err;
|
|
|
+ u32 sock_ref;
|
|
|
+ struct nlattr *sock[TIPC_NLA_SOCK_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK], NULL);
|
|
|
+
|
|
|
+ sock_ref = nla_get_u32(sock[TIPC_NLA_SOCK_REF]);
|
|
|
+ tipc_tlv_sprintf(msg->rep, "%u:", sock_ref);
|
|
|
+
|
|
|
+ if (sock[TIPC_NLA_SOCK_CON]) {
|
|
|
+ u32 node;
|
|
|
+ struct nlattr *con[TIPC_NLA_CON_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(con, TIPC_NLA_CON_MAX, sock[TIPC_NLA_SOCK_CON],
|
|
|
+ NULL);
|
|
|
+
|
|
|
+ node = nla_get_u32(con[TIPC_NLA_CON_NODE]);
|
|
|
+ tipc_tlv_sprintf(msg->rep, " connected to <%u.%u.%u:%u>",
|
|
|
+ tipc_zone(node),
|
|
|
+ tipc_cluster(node),
|
|
|
+ tipc_node(node),
|
|
|
+ nla_get_u32(con[TIPC_NLA_CON_SOCK]));
|
|
|
+
|
|
|
+ if (con[TIPC_NLA_CON_FLAG])
|
|
|
+ tipc_tlv_sprintf(msg->rep, " via {%u,%u}\n",
|
|
|
+ nla_get_u32(con[TIPC_NLA_CON_TYPE]),
|
|
|
+ nla_get_u32(con[TIPC_NLA_CON_INST]));
|
|
|
+ else
|
|
|
+ tipc_tlv_sprintf(msg->rep, "\n");
|
|
|
+ } else if (sock[TIPC_NLA_SOCK_HAS_PUBL]) {
|
|
|
+ tipc_tlv_sprintf(msg->rep, " bound to");
|
|
|
+
|
|
|
+ err = tipc_nl_compat_publ_dump(msg, sock_ref);
|
|
|
+ if (err)
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+ tipc_tlv_sprintf(msg->rep, "\n");
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_media_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ struct nlattr *media[TIPC_NLA_MEDIA_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, attrs[TIPC_NLA_MEDIA],
|
|
|
+ NULL);
|
|
|
+
|
|
|
+ return tipc_add_tlv(msg->rep, TIPC_TLV_MEDIA_NAME,
|
|
|
+ nla_data(media[TIPC_NLA_MEDIA_NAME]),
|
|
|
+ nla_len(media[TIPC_NLA_MEDIA_NAME]));
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_node_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ struct tipc_node_info node_info;
|
|
|
+ struct nlattr *node[TIPC_NLA_NODE_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(node, TIPC_NLA_NODE_MAX, attrs[TIPC_NLA_NODE], NULL);
|
|
|
+
|
|
|
+ node_info.addr = htonl(nla_get_u32(node[TIPC_NLA_NODE_ADDR]));
|
|
|
+ node_info.up = htonl(nla_get_flag(node[TIPC_NLA_NODE_UP]));
|
|
|
+
|
|
|
+ return tipc_add_tlv(msg->rep, TIPC_TLV_NODE_INFO, &node_info,
|
|
|
+ sizeof(node_info));
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_net_set(struct sk_buff *skb,
|
|
|
+ struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ u32 val;
|
|
|
+ struct nlattr *net;
|
|
|
+
|
|
|
+ val = ntohl(*(__be32 *)TLV_DATA(msg->req));
|
|
|
+
|
|
|
+ net = nla_nest_start(skb, TIPC_NLA_NET);
|
|
|
+ if (!net)
|
|
|
+ return -EMSGSIZE;
|
|
|
+
|
|
|
+ if (msg->cmd == TIPC_CMD_SET_NODE_ADDR) {
|
|
|
+ if (nla_put_u32(skb, TIPC_NLA_NET_ADDR, val))
|
|
|
+ return -EMSGSIZE;
|
|
|
+ } else if (msg->cmd == TIPC_CMD_SET_NETID) {
|
|
|
+ if (nla_put_u32(skb, TIPC_NLA_NET_ID, val))
|
|
|
+ return -EMSGSIZE;
|
|
|
+ }
|
|
|
+ nla_nest_end(skb, net);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_net_dump(struct tipc_nl_compat_msg *msg,
|
|
|
+ struct nlattr **attrs)
|
|
|
+{
|
|
|
+ __be32 id;
|
|
|
+ struct nlattr *net[TIPC_NLA_NET_MAX + 1];
|
|
|
+
|
|
|
+ nla_parse_nested(net, TIPC_NLA_NET_MAX, attrs[TIPC_NLA_NET], NULL);
|
|
|
+ id = htonl(nla_get_u32(net[TIPC_NLA_NET_ID]));
|
|
|
+
|
|
|
+ return tipc_add_tlv(msg->rep, TIPC_TLV_UNSIGNED, &id, sizeof(id));
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_cmd_show_stats_compat(struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ msg->rep = tipc_tlv_alloc(ULTRA_STRING_MAX_LEN);
|
|
|
+ if (!msg->rep)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ tipc_tlv_init(msg->rep, TIPC_TLV_ULTRA_STRING);
|
|
|
+ tipc_tlv_sprintf(msg->rep, "TIPC version " TIPC_MOD_VER "\n");
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
|
|
|
+{
|
|
|
+ struct tipc_nl_compat_cmd_dump dump;
|
|
|
+ struct tipc_nl_compat_cmd_doit doit;
|
|
|
+
|
|
|
+ memset(&dump, 0, sizeof(dump));
|
|
|
+ memset(&doit, 0, sizeof(doit));
|
|
|
+
|
|
|
+ switch (msg->cmd) {
|
|
|
+ case TIPC_CMD_NOOP:
|
|
|
+ msg->rep = tipc_tlv_alloc(0);
|
|
|
+ if (!msg->rep)
|
|
|
+ return -ENOMEM;
|
|
|
+ return 0;
|
|
|
+ case TIPC_CMD_GET_BEARER_NAMES:
|
|
|
+ msg->rep_size = MAX_BEARERS * TLV_SPACE(TIPC_MAX_BEARER_NAME);
|
|
|
+ dump.dumpit = tipc_nl_bearer_dump;
|
|
|
+ dump.format = tipc_nl_compat_bearer_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_ENABLE_BEARER:
|
|
|
+ msg->req_type = TIPC_TLV_BEARER_CONFIG;
|
|
|
+ doit.doit = tipc_nl_bearer_enable;
|
|
|
+ doit.transcode = tipc_nl_compat_bearer_enable;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_DISABLE_BEARER:
|
|
|
+ msg->req_type = TIPC_TLV_BEARER_NAME;
|
|
|
+ doit.doit = tipc_nl_bearer_disable;
|
|
|
+ doit.transcode = tipc_nl_compat_bearer_disable;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_SHOW_LINK_STATS:
|
|
|
+ msg->req_type = TIPC_TLV_LINK_NAME;
|
|
|
+ msg->rep_size = ULTRA_STRING_MAX_LEN;
|
|
|
+ msg->rep_type = TIPC_TLV_ULTRA_STRING;
|
|
|
+ dump.dumpit = tipc_nl_link_dump;
|
|
|
+ dump.format = tipc_nl_compat_link_stat_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_GET_LINKS:
|
|
|
+ msg->req_type = TIPC_TLV_NET_ADDR;
|
|
|
+ msg->rep_size = ULTRA_STRING_MAX_LEN;
|
|
|
+ dump.dumpit = tipc_nl_link_dump;
|
|
|
+ dump.format = tipc_nl_compat_link_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_SET_LINK_TOL:
|
|
|
+ case TIPC_CMD_SET_LINK_PRI:
|
|
|
+ case TIPC_CMD_SET_LINK_WINDOW:
|
|
|
+ msg->req_type = TIPC_TLV_LINK_CONFIG;
|
|
|
+ doit.doit = tipc_nl_link_set;
|
|
|
+ doit.transcode = tipc_nl_compat_link_set;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_RESET_LINK_STATS:
|
|
|
+ msg->req_type = TIPC_TLV_LINK_NAME;
|
|
|
+ doit.doit = tipc_nl_link_reset_stats;
|
|
|
+ doit.transcode = tipc_nl_compat_link_reset_stats;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_SHOW_NAME_TABLE:
|
|
|
+ msg->req_type = TIPC_TLV_NAME_TBL_QUERY;
|
|
|
+ msg->rep_size = ULTRA_STRING_MAX_LEN;
|
|
|
+ msg->rep_type = TIPC_TLV_ULTRA_STRING;
|
|
|
+ dump.header = tipc_nl_compat_name_table_dump_header;
|
|
|
+ dump.dumpit = tipc_nl_name_table_dump;
|
|
|
+ dump.format = tipc_nl_compat_name_table_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_SHOW_PORTS:
|
|
|
+ msg->rep_size = ULTRA_STRING_MAX_LEN;
|
|
|
+ msg->rep_type = TIPC_TLV_ULTRA_STRING;
|
|
|
+ dump.dumpit = tipc_nl_sk_dump;
|
|
|
+ dump.format = tipc_nl_compat_sk_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_GET_MEDIA_NAMES:
|
|
|
+ msg->rep_size = MAX_MEDIA * TLV_SPACE(TIPC_MAX_MEDIA_NAME);
|
|
|
+ dump.dumpit = tipc_nl_media_dump;
|
|
|
+ dump.format = tipc_nl_compat_media_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_GET_NODES:
|
|
|
+ msg->rep_size = ULTRA_STRING_MAX_LEN;
|
|
|
+ dump.dumpit = tipc_nl_node_dump;
|
|
|
+ dump.format = tipc_nl_compat_node_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_SET_NODE_ADDR:
|
|
|
+ msg->req_type = TIPC_TLV_NET_ADDR;
|
|
|
+ doit.doit = tipc_nl_net_set;
|
|
|
+ doit.transcode = tipc_nl_compat_net_set;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_SET_NETID:
|
|
|
+ msg->req_type = TIPC_TLV_UNSIGNED;
|
|
|
+ doit.doit = tipc_nl_net_set;
|
|
|
+ doit.transcode = tipc_nl_compat_net_set;
|
|
|
+ return tipc_nl_compat_doit(&doit, msg);
|
|
|
+ case TIPC_CMD_GET_NETID:
|
|
|
+ msg->rep_size = sizeof(u32);
|
|
|
+ dump.dumpit = tipc_nl_net_dump;
|
|
|
+ dump.format = tipc_nl_compat_net_dump;
|
|
|
+ return tipc_nl_compat_dumpit(&dump, msg);
|
|
|
+ case TIPC_CMD_SHOW_STATS:
|
|
|
+ return tipc_cmd_show_stats_compat(msg);
|
|
|
+ }
|
|
|
+
|
|
|
+ return -EOPNOTSUPP;
|
|
|
+}
|
|
|
+
|
|
|
+static int tipc_nl_compat_recv(struct sk_buff *skb, struct genl_info *info)
|
|
|
+{
|
|
|
+ int err;
|
|
|
+ int len;
|
|
|
+ struct tipc_nl_compat_msg msg;
|
|
|
+ struct nlmsghdr *req_nlh;
|
|
|
+ struct nlmsghdr *rep_nlh;
|
|
|
+ struct tipc_genlmsghdr *req_userhdr = info->userhdr;
|
|
|
+ struct net *net = genl_info_net(info);
|
|
|
+
|
|
|
+ memset(&msg, 0, sizeof(msg));
|
|
|
+
|
|
|
+ req_nlh = (struct nlmsghdr *)skb->data;
|
|
|
+ msg.req = nlmsg_data(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN;
|
|
|
+ msg.cmd = req_userhdr->cmd;
|
|
|
+ msg.dst_sk = info->dst_sk;
|
|
|
+
|
|
|
+ if ((msg.cmd & 0xC000) && (!netlink_net_capable(skb, CAP_NET_ADMIN))) {
|
|
|
+ msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_NET_ADMIN);
|
|
|
+ err = -EACCES;
|
|
|
+ goto send;
|
|
|
+ }
|
|
|
+
|
|
|
+ len = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN);
|
|
|
+ if (TLV_GET_LEN(msg.req) && !TLV_OK(msg.req, len)) {
|
|
|
+ msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED);
|
|
|
+ err = -EOPNOTSUPP;
|
|
|
+ goto send;
|
|
|
+ }
|
|
|
+
|
|
|
+ err = tipc_nl_compat_handle(&msg);
|
|
|
+ if (err == -EOPNOTSUPP)
|
|
|
+ msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED);
|
|
|
+ else if (err == -EINVAL)
|
|
|
+ msg.rep = tipc_get_err_tlv(TIPC_CFG_TLV_ERROR);
|
|
|
+send:
|
|
|
+ if (!msg.rep)
|
|
|
+ return err;
|
|
|
+
|
|
|
+ len = nlmsg_total_size(GENL_HDRLEN + TIPC_GENL_HDRLEN);
|
|
|
+ skb_push(msg.rep, len);
|
|
|
+ rep_nlh = nlmsg_hdr(msg.rep);
|
|
|
+ memcpy(rep_nlh, info->nlhdr, len);
|
|
|
+ rep_nlh->nlmsg_len = msg.rep->len;
|
|
|
+ genlmsg_unicast(net, msg.rep, NETLINK_CB(skb).portid);
|
|
|
+
|
|
|
+ return err;
|
|
|
+}
|
|
|
+
|
|
|
+static struct genl_family tipc_genl_compat_family = {
|
|
|
+ .id = GENL_ID_GENERATE,
|
|
|
+ .name = TIPC_GENL_NAME,
|
|
|
+ .version = TIPC_GENL_VERSION,
|
|
|
+ .hdrsize = TIPC_GENL_HDRLEN,
|
|
|
+ .maxattr = 0,
|
|
|
+ .netnsok = true,
|
|
|
+};
|
|
|
+
|
|
|
+static struct genl_ops tipc_genl_compat_ops[] = {
|
|
|
+ {
|
|
|
+ .cmd = TIPC_GENL_CMD,
|
|
|
+ .doit = tipc_nl_compat_recv,
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+int tipc_netlink_compat_start(void)
|
|
|
+{
|
|
|
+ int res;
|
|
|
+
|
|
|
+ res = genl_register_family_with_ops(&tipc_genl_compat_family,
|
|
|
+ tipc_genl_compat_ops);
|
|
|
+ if (res) {
|
|
|
+ pr_err("Failed to register legacy compat interface\n");
|
|
|
+ return res;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+void tipc_netlink_compat_stop(void)
|
|
|
+{
|
|
|
+ genl_unregister_family(&tipc_genl_compat_family);
|
|
|
+}
|
David S. Miller