Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
// 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);
|