diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index ae33dd8ae49b..4445c734cdcd 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -72,6 +72,28 @@ enum afs_call_state { AFS_CALL_COMPLETE, /* Completed or failed */ }; +/* + * Address preferences. + */ +struct afs_addr_preference { + union { + struct in_addr ipv4_addr; /* AF_INET address to compare against */ + struct in6_addr ipv6_addr; /* AF_INET6 address to compare against */ + }; + sa_family_t family; /* Which address to use */ + u16 prio; /* Priority */ + u8 subnet_mask; /* How many bits to compare */ +}; + +struct afs_addr_preference_list { + struct rcu_head rcu; + u16 version; /* Incremented when prefs list changes */ + u8 ipv6_off; /* Offset of IPv6 addresses */ + u8 nr; /* Number of addresses in total */ + u8 max_prefs; /* Number of prefs allocated */ + struct afs_addr_preference prefs[] __counted_by(max_prefs); +}; + struct afs_address { struct rxrpc_peer *peer; short last_error; /* Last error from this address */ @@ -315,6 +337,8 @@ struct afs_net { struct proc_dir_entry *proc_afs; /* /proc/net/afs directory */ struct afs_sysnames *sysnames; rwlock_t sysnames_lock; + struct afs_addr_preference_list __rcu *address_prefs; + u16 address_pref_version; /* Statistics counters */ atomic_t n_lookup; /* Number of lookups done */ @@ -983,6 +1007,11 @@ extern int afs_merge_fs_addr6(struct afs_net *net, struct afs_addr_list *addr, __be32 *xdr, u16 port); /* + * addr_prefs.c + */ +int afs_proc_addr_prefs_write(struct file *file, char *buf, size_t size); + +/* * callback.c */ extern void afs_invalidate_mmap_work(struct work_struct *); |