netdev - [PATCH V2 7/7] IB/rdma_cm: TOS <=> UP mapping for IBoE

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Message-Id: <1332752874-8086-8-git-send-email-amirv@mellanox.com>
Date:	Mon, 26 Mar 2012 11:07:54 +0200
From:	Amir Vadai <amirv@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Roland Dreier <roland@...estorage.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>,
	Oren Duer <oren@...lanox.com>,
	Amir Vadai <amirv@....mellanox.co.il>,
	Amir Vadai <amirv@...lanox.com>,
	Sean Hefty <sean.hefty@...el.com>
Subject: [PATCH V2 7/7] IB/rdma_cm: TOS <=> UP mapping for IBoE

Both tagged traffic and untagged traffic use tc tool mapping.
Treat RDMA TOS same as IP TOS when mapping to SL

Signed-off-by: Amir Vadai <amirv@...lanox.com>
CC: Sean Hefty <sean.hefty@...el.com>
---
 drivers/infiniband/core/cma.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index e3e470f..59fbd70 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -42,6 +42,7 @@
 #include <linux/inetdevice.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <net/route.h>
 
 #include <net/tcp.h>
 #include <net/ipv6.h>
@@ -1826,7 +1827,10 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
 	route->path_rec->reversible = 1;
 	route->path_rec->pkey = cpu_to_be16(0xffff);
 	route->path_rec->mtu_selector = IB_SA_EQ;
-	route->path_rec->sl = id_priv->tos >> 5;
+	route->path_rec->sl = netdev_get_prio_tc_map(
+			ndev->priv_flags & IFF_802_1Q_VLAN ?
+				vlan_dev_real_dev(ndev) : ndev,
+			rt_tos2priority(id_priv->tos));
 
 	route->path_rec->mtu = iboe_get_mtu(ndev->mtu);
 	route->path_rec->rate_selector = IB_SA_EQ;
-- 
1.7.8.2

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