diff options
Diffstat (limited to 'net/ipv4/multipath.c')
-rw-r--r-- | net/ipv4/multipath.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/net/ipv4/multipath.c b/net/ipv4/multipath.c deleted file mode 100644 index 4e9ca7c76407..000000000000 --- a/net/ipv4/multipath.c +++ /dev/null @@ -1,55 +0,0 @@ -/* multipath.c: IPV4 multipath algorithm support. - * - * Copyright (C) 2004, 2005 Einar Lueck <elueck@de.ibm.com> - * Copyright (C) 2005 David S. Miller <davem@davemloft.net> - */ - -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/spinlock.h> - -#include <net/ip_mp_alg.h> - -static DEFINE_SPINLOCK(alg_table_lock); -struct ip_mp_alg_ops *ip_mp_alg_table[IP_MP_ALG_MAX + 1]; - -int multipath_alg_register(struct ip_mp_alg_ops *ops, enum ip_mp_alg n) -{ - struct ip_mp_alg_ops **slot; - int err; - - if (n < IP_MP_ALG_NONE || n > IP_MP_ALG_MAX || - !ops->mp_alg_select_route) - return -EINVAL; - - spin_lock(&alg_table_lock); - slot = &ip_mp_alg_table[n]; - if (*slot != NULL) { - err = -EBUSY; - } else { - *slot = ops; - err = 0; - } - spin_unlock(&alg_table_lock); - - return err; -} -EXPORT_SYMBOL(multipath_alg_register); - -void multipath_alg_unregister(struct ip_mp_alg_ops *ops, enum ip_mp_alg n) -{ - struct ip_mp_alg_ops **slot; - - if (n < IP_MP_ALG_NONE || n > IP_MP_ALG_MAX) - return; - - spin_lock(&alg_table_lock); - slot = &ip_mp_alg_table[n]; - if (*slot == ops) - *slot = NULL; - spin_unlock(&alg_table_lock); - - synchronize_net(); -} -EXPORT_SYMBOL(multipath_alg_unregister); |