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authorMichael Wang <yun.wang@profitbricks.com>2015-05-05 15:50:40 +0300
committerDoug Ledford <dledford@redhat.com>2015-05-18 20:35:06 +0300
commit227128fc68401d8e36b660ffeef4320c5fb492d7 (patch)
tree9c5f7885af1d77a696702131c9d0b8f32eb04662
parent30a74ef41d5293cb2f85fcce120fe869a672ade4 (diff)
downloadlinux-227128fc68401d8e36b660ffeef4320c5fb492d7.tar.xz
IB/Verbs: Use management helper rdma_cap_eth_ah()
Introduce helper rdma_cap_eth_ah() to help us check if the port of an IB device support Ethernet Address Handler. Signed-off-by: Michael Wang <yun.wang@profitbricks.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Tested-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Sean Hefty <sean.hefty@intel.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Tested-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/infiniband/core/cma.c2
-rw-r--r--drivers/infiniband/core/sa_query.c2
-rw-r--r--drivers/infiniband/core/verbs.c4
-rw-r--r--include/rdma/ib_verbs.h15
4 files changed, 19 insertions, 4 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index c9a281718c1a..1977f601a1ec 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -711,7 +711,7 @@ static int cma_ib_init_qp_attr(struct rdma_id_private *id_priv,
int ret;
u16 pkey;
- if (rdma_protocol_iboe(id_priv->id.device, id_priv->id.port_num))
+ if (rdma_cap_eth_ah(id_priv->id.device, id_priv->id.port_num))
pkey = 0xffff;
else
pkey = ib_addr_get_pkey(dev_addr);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 30aa5e5e08f2..7f7c8c9fa92c 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
ah_attr->port_num = port_num;
ah_attr->static_rate = rec->rate;
- force_grh = rdma_protocol_iboe(device, port_num);
+ force_grh = rdma_cap_eth_ah(device, port_num);
if (rec->hop_limit > 1 || force_grh) {
ah_attr->ah_flags = IB_AH_GRH;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 7dd2f5182020..d110a5eb77a8 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -200,7 +200,7 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc,
int ret;
memset(ah_attr, 0, sizeof *ah_attr);
- if (rdma_protocol_iboe(device, port_num)) {
+ if (rdma_cap_eth_ah(device, port_num)) {
if (!(wc->wc_flags & IB_WC_GRH))
return -EPROTOTYPE;
@@ -869,7 +869,7 @@ int ib_resolve_eth_l2_attrs(struct ib_qp *qp,
union ib_gid sgid;
if ((*qp_attr_mask & IB_QP_AV) &&
- (rdma_protocol_iboe(qp->device, qp_attr->ah_attr.port_num))) {
+ (rdma_cap_eth_ah(qp->device, qp_attr->ah_attr.port_num))) {
ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num,
qp_attr->ah_attr.grh.sgid_index, &sgid);
if (ret)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 349d1216564c..8d59479eea4d 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1880,6 +1880,21 @@ static inline bool rdma_cap_af_ib(struct ib_device *device, u8 port_num)
}
/**
+ * rdma_cap_eth_ah - Check if the port of device has the capability
+ * Ethernet Address Handler.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return false when port of the device don't support
+ * Ethernet Address Handler.
+ */
+static inline bool rdma_cap_eth_ah(struct ib_device *device, u8 port_num)
+{
+ return rdma_protocol_iboe(device, port_num);
+}
+
+/**
* rdma_cap_read_multi_sge - Check if the port of device has the capability
* RDMA Read Multiple Scatter-Gather Entries.
*