Release 4.18 fs/afs/netdevices.c

// SPDX-License-Identifier: GPL-2.0
/* AFS network device helpers
 *
 * Copyright (c) 2007 Patrick McHardy <kaber@trash.net>
 */

#include <linux/string.h>
#include <linux/rtnetlink.h>
#include <linux/inetdevice.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <net/net_namespace.h>
#include "internal.h"

/*
 * get a list of this system's interface IPv4 addresses, netmasks and MTUs
 * - maxbufs must be at least 1
 * - returns the number of interface records in the buffer
 */


int afs_get_ipv4_interfaces(struct afs_net *net, struct afs_interface *bufs,
			    size_t maxbufs, bool wantloopback)
{
	struct net_device *dev;
	struct in_device *idev;
	int n = 0;

	ASSERT(maxbufs > 0);

	rtnl_lock();
	for_each_netdev(net->net, dev) {
		if (dev->type == ARPHRD_LOOPBACK && !wantloopback)
			continue;
		idev = __in_dev_get_rtnl(dev);
		if (!idev)
			continue;
		for_primary_ifa(idev) {
			bufs[n].address.s_addr = ifa->ifa_address;
			bufs[n].netmask.s_addr = ifa->ifa_mask;
			bufs[n].mtu = dev->mtu;
			n++;
			if (n >= maxbufs)
				goto out;
		} endfor_ifa(idev);
	}
out:
	rtnl_unlock();
	return n;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Patrick McHardy
118
80.27%
1
20.00%
David Howells
24
16.33%
2
40.00%
Pavel Emelyanov
4
2.72%
1
20.00%
Eric W. Biedermann
1
0.68%
1
20.00%
Total
147
100.00%
5
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Patrick McHardy
137
80.12%
1
16.67%
David Howells
25
14.62%
2
33.33%
Eric W. Biedermann
4
2.34%
1
16.67%
Pavel Emelyanov
4
2.34%
1
16.67%
Greg Kroah-Hartman
1
0.58%
1
16.67%
Total
171
100.00%
6
100.00%
Directory: fs/afs

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