netdev - [PATCHv4 net-next 08/32] iw_cxgb4: Allow loopback connections

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Message-Id: <1394188409-9739-9-git-send-email-hariprasad@chelsio.com>
Date:	Fri,  7 Mar 2014 16:03:05 +0530
From:	Hariprasad Shenai <hariprasad@...lsio.com>
To:	netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Cc:	davem@...emloft.net, roland@...estorage.com, santosh@...lsio.com,
	dm@...lsio.com, kumaras@...lsio.com, swise@...ngridcomputing.com,
	leedom@...lsio.com, nirranjan@...lsio.com, hariprasad@...lsio.com
Subject: [PATCHv4 net-next 08/32] iw_cxgb4: Allow loopback connections

From: Steve Wise <swise@...ngridcomputing.com>

find_route() must treat loopback as a valid
egress interface.

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index d286bde..360807e 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -400,7 +400,8 @@ static struct dst_entry *find_route(struct c4iw_dev *dev, __be32 local_ip,
 	n = dst_neigh_lookup(&rt->dst, &peer_ip);
 	if (!n)
 		return NULL;
-	if (!our_interface(dev, n->dev)) {
+	if (!our_interface(dev, n->dev) &&
+	    !(n->dev->flags & IFF_LOOPBACK)) {
 		dst_release(&rt->dst);
 		return NULL;
 	}
-- 
1.8.4

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