[PATCH 2/2 RESEND] IB/Verbs: Use helpers to check IBoE technology

[Michael Wang <yun.wang@xxxxxxxxxxxxxxxx>]

This patch will introduce rdma_tech_is_iboe() and use it to save some code.

Cc: Ira Weiny <ira.weiny@xxxxxxxxx>
Cc: Sean Hefty <sean.hefty@xxxxxxxxx>
Signed-off-by: Michael Wang <yun.wang@xxxxxxxxxxxxxxxx>
---
 drivers/infiniband/core/cma.c | 6 ++----
 include/rdma/ib_verbs.h       | 6 ++++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 668e955..d354857 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -375,8 +375,7 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv,
                      listen_id_priv->id.port_num) == dev_ll) {
         cma_dev = listen_id_priv->cma_dev;
         port = listen_id_priv->id.port_num;
-        if (rdma_transport_is_ib(cma_dev->device) &&
-            rdma_port_ll_is_eth(cma_dev->device, port))
+        if (rdma_tech_is_iboe(cma_dev->device, port))
             ret = ib_find_cached_gid(cma_dev->device, &iboe_gid,
                          &found_port, NULL);
         else
@@ -395,8 +394,7 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv,
                 listen_id_priv->id.port_num == port)
                 continue;
             if (rdma_port_get_link_layer(cma_dev->device, port) == dev_ll) {
-                if (rdma_transport_is_ib(cma_dev->device) &&
-                    rdma_port_ll_is_eth(cma_dev->device, port))
+                if (rdma_tech_is_iboe(cma_dev->device, port))
                     ret = ib_find_cached_gid(cma_dev->device, &iboe_gid, &found_port, NULL);
                 else
                     ret = ib_find_cached_gid(cma_dev->device, &gid, &found_port, NULL);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 2bf9094..9a811f8 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1767,6 +1767,12 @@ static inline int rdma_port_ll_is_eth(struct ib_device *device, u8 port_num)
             == IB_LINK_LAYER_ETHERNET;
 }

+static inline int rdma_tech_is_iboe(struct ib_device *device, u8 port_num)
+{
+    return rdma_transport_is_ib(device) &&
+            rdma_port_ll_is_eth(device, port_num);
+}
+
 int ib_query_gid(struct ib_device *device,
          u8 port_num, int index, union ib_gid *gid);

-- 
2.1.0

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