mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.9 KiB
70 lines
1.9 KiB
// 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 <[email protected]> |
|
*/ |
|
|
|
/* |
|
* Changes: |
|
* |
|
* Vince Laviano ([email protected]) 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);
|
|
|