diff options
Diffstat (limited to 'net/rds/af_rds.c')
| -rw-r--r-- | net/rds/af_rds.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index 65571a6273c3..904515858037 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -254,7 +254,38 @@ static __poll_t rds_poll(struct file *file, struct socket *sock, static int rds_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { - return -ENOIOCTLCMD; + struct rds_sock *rs = rds_sk_to_rs(sock->sk); + rds_tos_t tos; + + switch (cmd) { + case SIOCRDSSETTOS: + if (get_user(tos, (rds_tos_t __user *)arg)) + return -EFAULT; + + if (rs->rs_transport && + rs->rs_transport->t_type == RDS_TRANS_TCP) + tos = 0; + + spin_lock_bh(&rds_sock_lock); + if (rs->rs_tos || rs->rs_conn) { + spin_unlock_bh(&rds_sock_lock); + return -EINVAL; + } + rs->rs_tos = tos; + spin_unlock_bh(&rds_sock_lock); + break; + case SIOCRDSGETTOS: + spin_lock_bh(&rds_sock_lock); + tos = rs->rs_tos; + spin_unlock_bh(&rds_sock_lock); + if (put_user(tos, (rds_tos_t __user *)arg)) + return -EFAULT; + break; + default: + return -ENOIOCTLCMD; + } + + return 0; } static int rds_cancel_sent_to(struct rds_sock *rs, char __user *optval, @@ -650,6 +681,8 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol) spin_lock_init(&rs->rs_rdma_lock); rs->rs_rdma_keys = RB_ROOT; rs->rs_rx_traces = 0; + rs->rs_tos = 0; + rs->rs_conn = NULL; spin_lock_bh(&rds_sock_lock); list_add_tail(&rs->rs_item, &rds_sock_list); |