Messages in this thread Patch in this message | | | From | Steve Wise <> | Subject | [PATCH 2.6.25] RDMA/cxgb3: Fail loopback connections. | Date | Tue, 12 Feb 2008 16:09:29 -0600 |
| |
RDMA/cxgb3: Fail loopback connections.
The cxgb3 HW and driver don't support loopback RDMA connections. So fail any connection attempt where the destination address is local.
Signed-off-by: Steve Wise <swise@opengridcomputing.com> ---
drivers/infiniband/hw/cxgb3/iwch_cm.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index e9a08fa..5d82723 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1784,6 +1784,17 @@ err: return err; } +static void is_loopback_dst(struct iw_cm_id *cm_id) +{ + struct net_device *dev; + + dev = ip_dev_find(&init_net, cm_id->remote_addr.sin_addr.s_addr); + if (!dev) + return 0; + dev_put(dev); + return 1; +} + int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) { int err = 0; @@ -1791,6 +1802,11 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct iwch_ep *ep; struct rtable *rt; + if (is_loopback_dst(cm_id)) { + err = -ENOSYS; + goto out; + } + ep = alloc_ep(sizeof(*ep), GFP_KERNEL); if (!ep) { printk(KERN_ERR MOD "%s - cannot alloc ep.\n", __FUNCTION__);
| |