// SPDX-License-Identifier: GPL-2.0-or-later
/*
* INET An implementation of the TCP / IP protocol suite for the LINUX
* operating system . INET is implemented using the BSD Socket
* interface as the means of communication with the user level .
*
* PF_INET6 protocol dispatch tables .
*
* Authors : Pedro Roque < roque @ di . fc . ul . pt >
*/
/*
* Changes :
*
* Vince Laviano ( vince @ cs . stanford . edu ) 16 May 2001
* - Removed unused variable ' inet6_protocol_base '
* - Modified inet6_del_protocol ( ) to correctly maintain copy bit .
*/
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <net/protocol.h>
#if IS_ENABLED(CONFIG_IPV6)
struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS] __read_mostly;
EXPORT_SYMBOL(inet6_protos);
int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
return !cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol],
NULL, prot) ? 0 : -1 ;
}
EXPORT_SYMBOL(inet6_add_protocol);
int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
int ret;
ret = (cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol],
prot, NULL) == prot) ? 0 : -1 ;
synchronize_net();
return ret;
}
EXPORT_SYMBOL(inet6_del_protocol);
#endif
const struct net_offload __rcu *inet6_offloads[MAX_INET_PROTOS] __read_mostly;
EXPORT_SYMBOL(inet6_offloads);
int inet6_add_offload(const struct net_offload *prot, unsigned char protocol)
{
return !cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
NULL, prot) ? 0 : -1 ;
}
EXPORT_SYMBOL(inet6_add_offload);
int inet6_del_offload(const struct net_offload *prot, unsigned char protocol)
{
int ret;
ret = (cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
prot, NULL) == prot) ? 0 : -1 ;
synchronize_net();
return ret;
}
EXPORT_SYMBOL(inet6_del_offload);
Messung V0.5 in Prozent C=91 H=93 G=91
¤ Dauer der Verarbeitung: 0.4 Sekunden
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