diff options
Diffstat (limited to 'fs/afs/addr_list.c')
| -rw-r--r-- | fs/afs/addr_list.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/afs/addr_list.c b/fs/afs/addr_list.c index ecb9c72aebd2..b91e59a77f0e 100644 --- a/fs/afs/addr_list.c +++ b/fs/afs/addr_list.c @@ -228,6 +228,37 @@ struct afs_addr_list *afs_dns_query(struct afs_cell *cell, time64_t *_expiry) } /* + * Merge an IPv4 entry into a fileserver address list. + */ +void afs_merge_fs_addr4(struct afs_addr_list *alist, __be32 xdr) +{ + struct sockaddr_in6 *a; + int i; + + for (i = 0; i < alist->nr_ipv4; i++) { + a = &alist->addrs[i].transport.sin6; + if (xdr == a->sin6_addr.s6_addr32[3]) + return; + if (xdr < a->sin6_addr.s6_addr32[3]) + break; + } + + if (i < alist->nr_addrs) + memmove(alist->addrs + i + 1, + alist->addrs + i, + sizeof(alist->addrs[0]) * (alist->nr_addrs - i)); + + a = &alist->addrs[i].transport.sin6; + a->sin6_port = htons(AFS_FS_PORT); + a->sin6_addr.s6_addr32[0] = 0; + a->sin6_addr.s6_addr32[1] = 0; + a->sin6_addr.s6_addr32[2] = htonl(0xffff); + a->sin6_addr.s6_addr32[3] = xdr; + alist->nr_ipv4++; + alist->nr_addrs++; +} + +/* * Get an address to try. */ bool afs_iterate_addresses(struct afs_addr_cursor *ac) |