diff options
| author |   Jeff Layton <jlayton@redhat.com> | 2009-08-14 12:57:58 -0400 |
|---|---|---|
| committer |   J. Bruce Fields <bfields@citi.umich.edu> | 2009-08-21 11:27:44 -0400 |
| commit | 7077ecbabd626cce1fcf5cc9766c83ec04d919f9 (patch) | |
| tree | 20123b656c9e95d5bec27d552ec6e46f84c5bb1b /fs/nfsd | |
| parent | nfsd: convert nfs4_cb_conn struct to hold address in sockaddr_storage (diff) | |
| download | linux-dev-7077ecbabd626cce1fcf5cc9766c83ec04d919f9.tar.xz linux-dev-7077ecbabd626cce1fcf5cc9766c83ec04d919f9.zip | |
nfsd: add support for NFSv4 callbacks over IPv6
The framework to add this is all in place. Now, add the code to allow
support for establishing a callback channel on an IPv6 socket.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 96a742308cee..9ec0ca1ef4ea 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -901,9 +901,16 @@ static void gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se) { struct nfs4_cb_conn *cb = &clp->cl_cb_conn; - - /* Currently, we only support tcp for the callback channel */ - if ((se->se_callback_netid_len != 3) || memcmp((char *)se->se_callback_netid_val, "tcp", 3)) + unsigned short expected_family; + + /* Currently, we only support tcp and tcp6 for the callback channel */ + if (se->se_callback_netid_len == 3 && + !memcmp(se->se_callback_netid_val, "tcp", 3)) + expected_family = AF_INET; + else if (se->se_callback_netid_len == 4 && + !memcmp(se->se_callback_netid_val, "tcp6", 4)) + expected_family = AF_INET6; + else goto out_err; cb->cb_addrlen = rpc_uaddr2sockaddr(se->se_callback_addr_val, @@ -911,7 +918,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se) (struct sockaddr *) &cb->cb_addr, sizeof(cb->cb_addr)); - if (!cb->cb_addrlen || cb->cb_addr.ss_family != AF_INET) + if (!cb->cb_addrlen || cb->cb_addr.ss_family != expected_family) goto out_err; cb->cb_minorversion = 0; |