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iw_cxgb4: use wildcard mapping for getting remote addr info

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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>
This commit is contained in:
Steve Wise 2015-05-07 16:34:23 -05:00 committed by Doug Ledford
parent 94634e9861
commit 940fd304d2
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/infiniband/hw/cxgb4/cm.c
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@ -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;