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Release 4.17 net/tipc/diag.c

Directory: net/tipc
/*
 * net/tipc/diag.c: TIPC socket diag
 *
 * Copyright (c) 2018, Ericsson AB
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 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 "ASIS"
 * 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.
 */

#include "core.h"
#include "socket.h"
#include <linux/sock_diag.h>
#include <linux/tipc_sockets_diag.h>


static u64 __tipc_diag_gen_cookie(struct sock *sk) { u32 res[2]; sock_diag_save_cookie(sk, res); return *((u64 *)res); }

Contributors

PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna34100.00%1100.00%
Total34100.00%1100.00%


static int __tipc_add_sock_diag(struct sk_buff *skb, struct netlink_callback *cb, struct tipc_sock *tsk) { struct tipc_sock_diag_req *req = nlmsg_data(cb->nlh); struct nlmsghdr *nlh; int err; nlh = nlmsg_put_answer(skb, cb, SOCK_DIAG_BY_FAMILY, 0, NLM_F_MULTI); if (!nlh) return -EMSGSIZE; err = tipc_sk_fill_sock_diag(skb, cb, tsk, req->tidiag_states, __tipc_diag_gen_cookie); if (err) return err; nlmsg_end(skb, nlh); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna9797.98%150.00%
Américo Wang22.02%150.00%
Total99100.00%2100.00%


static int tipc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) { return tipc_nl_sk_walk(skb, cb, __tipc_add_sock_diag); }

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PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna26100.00%1100.00%
Total26100.00%1100.00%


static int tipc_sock_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) { int hdrlen = sizeof(struct tipc_sock_diag_req); struct net *net = sock_net(skb->sk); if (nlmsg_len(h) < hdrlen) return -EINVAL; if (h->nlmsg_flags & NLM_F_DUMP) { struct netlink_dump_control c = { .dump = tipc_diag_dump, }; netlink_dump_start(net->diag_nlsk, skb, h, &c); return 0; } return -EOPNOTSUPP; }

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PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna92100.00%1100.00%
Total92100.00%1100.00%

static const struct sock_diag_handler tipc_sock_diag_handler = { .family = AF_TIPC, .dump = tipc_sock_diag_handler_dump, };
static int __init tipc_diag_init(void) { return sock_diag_register(&tipc_sock_diag_handler); }

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PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna16100.00%1100.00%
Total16100.00%1100.00%


static void __exit tipc_diag_exit(void) { sock_diag_unregister(&tipc_sock_diag_handler); }

Contributors

PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna15100.00%1100.00%
Total15100.00%1100.00%

module_init(tipc_diag_init); module_exit(tipc_diag_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, AF_TIPC);

Overall Contributors

PersonTokensPropCommitsCommitProp
GhantaKrishnamurthy MohanKrishna33599.41%150.00%
Américo Wang20.59%150.00%
Total337100.00%2100.00%
Directory: net/tipc
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