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authorSteve Wise <swise@opengridcomputing.com>2015-05-07 16:34:23 -0500
committerDoug Ledford <dledford@redhat.com>2015-05-11 17:16:49 -0400
commit940fd304d233534038365f56d30c29ed7fd7416b (patch)
tree31f265af917a9931d035dc627c07a6b80bd544ab /drivers
parent94634e9861abbc3036d7041773971c8e31ec2680 (diff)
downloadlwn-940fd304d233534038365f56d30c29ed7fd7416b.tar.gz
lwn-940fd304d233534038365f56d30c29ed7fd7416b.zip
iw_cxgb4: use wildcard mapping for getting remote addr info
For listening endpoints bound to the wildcard address, we need to pass the wildcard address mapping to iwpm_get_remote_info() instead of the mapped address of the new child connection. Without this fix, and with iwarp port mapping enabled, each iw_cxgb4 connection that is spawned from a listening endpoint bound to the wildcard address, will generate an annoying dmesg entry about failing to find the remote address mapping info, and the connection state displayed in debugfs under /sys/kernel/debug/iw_cxgb4/<pci-slot-no>/eps will not have the peer's address/port mapping info. The connection still works though. Fixes: 5b6b8fe ("RDMA/cxgb4: Report the actual address of the remote connecting peer") Signed-off-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index bb95a6c0477b..3ad8dc798f52 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -583,18 +583,18 @@ static void c4iw_record_pm_msg(struct c4iw_ep *ep,
sizeof(ep->com.mapped_remote_addr));
}
-static int get_remote_addr(struct c4iw_ep *ep)
+static int get_remote_addr(struct c4iw_ep *parent_ep, struct c4iw_ep *child_ep)
{
int ret;
- print_addr(&ep->com, __func__, "get_remote_addr");
+ print_addr(&parent_ep->com, __func__, "get_remote_addr parent_ep ");
+ print_addr(&child_ep->com, __func__, "get_remote_addr child_ep ");
- ret = iwpm_get_remote_info(&ep->com.mapped_local_addr,
- &ep->com.mapped_remote_addr,
- &ep->com.remote_addr, RDMA_NL_C4IW);
+ ret = iwpm_get_remote_info(&parent_ep->com.mapped_local_addr,
+ &child_ep->com.mapped_remote_addr,
+ &child_ep->com.remote_addr, RDMA_NL_C4IW);
if (ret)
- pr_info(MOD "Unable to find remote peer addr info - err %d\n",
- ret);
+ PDBG("Unable to find remote peer addr info - err %d\n", ret);
return ret;
}
@@ -2420,7 +2420,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
}
memcpy(&child_ep->com.remote_addr, &child_ep->com.mapped_remote_addr,
sizeof(child_ep->com.remote_addr));
- get_remote_addr(child_ep);
+ get_remote_addr(parent_ep, child_ep);
c4iw_get_ep(&parent_ep->com);
child_ep->parent_ep = parent_ep;