Reform cma/ucma with management helpers.
Cc: Jason Gunthorpe <jguntho...@obsidianresearch.com>
Cc: Doug Ledford <dledf...@redhat.com>
Cc: Ira Weiny <ira.we...@intel.com>
Cc: Sean Hefty <sean.he...@intel.com>
Signed-off-by: Michael Wang <yun.w...@profitbricks.com>
---
drivers/infiniband/core/cma.c | 182 +++++++++++++----------------------------
drivers/infiniband/core/ucma.c | 25 ++----
2 files changed, 65 insertions(+), 142 deletions(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d8a8ea7..c23f483 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -435,10 +435,10 @@ static int cma_resolve_ib_dev(struct rdma_id_private
*id_priv)
pkey = ntohs(addr->sib_pkey);
list_for_each_entry(cur_dev, &dev_list, list) {
- if (rdma_node_get_transport(cur_dev->device->node_type) !=
RDMA_TRANSPORT_IB)
- continue;
-
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
+ if (!rdma_ib_mgmt(cur_dev->device, p))
+ continue;
+
if (ib_find_cached_pkey(cur_dev->device, p, pkey,
&index))
continue;
@@ -633,10 +633,10 @@ static int cma_modify_qp_rtr(struct rdma_id_private
*id_priv,
if (ret)
goto out;
- if (rdma_node_get_transport(id_priv->cma_dev->device->node_type)
- == RDMA_TRANSPORT_IB &&
- rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
- == IB_LINK_LAYER_ETHERNET) {
+ /* Will this happen? */
+ BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
+
+ if (rdma_transport_iboe(id_priv->id.device, id_priv->id.port_num)) {
ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
if (ret)
@@ -700,8 +700,7 @@ static int cma_ib_init_qp_attr(struct rdma_id_private
*id_priv,
int ret;
u16 pkey;
- if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
==
- IB_LINK_LAYER_INFINIBAND)
+ if (rdma_transport_ib(id_priv->id.device, id_priv->id.port_num))
pkey = ib_addr_get_pkey(dev_addr);
else
pkey = 0xffff;
@@ -735,8 +734,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct
ib_qp_attr *qp_attr,
int ret = 0;
id_priv = container_of(id, struct rdma_id_private, id);
- switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id_priv->id.device, id_priv->id.port_num)) {
if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD))
ret = cma_ib_init_qp_attr(id_priv, qp_attr,
qp_attr_mask);
else
@@ -745,19 +743,16 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct
ib_qp_attr *qp_attr,
if (qp_attr->qp_state == IB_QPS_RTR)
qp_attr->rq_psn = id_priv->seq_num;
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id_priv->id.device,
+ id_priv->id.port_num)) {
if (!id_priv->cm_id.iw) {
qp_attr->qp_access_flags = 0;
*qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS;
} else
ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
qp_attr_mask);
- break;
- default:
+ } else
ret = -ENOSYS;
- break;
- }
return ret;
}
@@ -928,13 +923,9 @@ static inline int cma_user_data_offset(struct
rdma_id_private *id_priv)
static void cma_cancel_route(struct rdma_id_private *id_priv)
{
- switch (rdma_port_get_link_layer(id_priv->id.device,
id_priv->id.port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
+ if (rdma_transport_ib(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query);
- break;
- default:
- break;
}
}
@@ -1006,17 +997,14 @@ static void cma_leave_mc_groups(struct rdma_id_private
*id_priv)
mc = container_of(id_priv->mc_list.next,
struct cma_multicast, list);
list_del(&mc->list);
- switch (rdma_port_get_link_layer(id_priv->cma_dev->device,
id_priv->id.port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
+ if (rdma_transport_ib(id_priv->cma_dev->device,
+ id_priv->id.port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
break;
- case IB_LINK_LAYER_ETHERNET:
+ } else if (rdma_transport_ib(id_priv->cma_dev->device,
+ id_priv->id.port_num))
kref_put(&mc->mcref, release_mc);
- break;
- default:
- break;
- }
}
}
@@ -1037,17 +1025,13 @@ void rdma_destroy_id(struct rdma_cm_id *id)
mutex_unlock(&id_priv->handler_mutex);
if (id_priv->cma_dev) {
- switch (rdma_node_get_transport(id_priv->id.device->node_type))
{
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->cm_id.ib)
ib_destroy_cm_id(id_priv->cm_id.ib);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id_priv->id.device,
+ id_priv->id.port_num)) {
if (id_priv->cm_id.iw)
iw_destroy_cm_id(id_priv->cm_id.iw);
- break;
- default:
- break;
}
cma_leave_mc_groups(id_priv);
cma_release_dev(id_priv);
@@ -1966,26 +1950,14 @@ int rdma_resolve_route(struct rdma_cm_id *id, int
timeout_ms)
return -EINVAL;
atomic_inc(&id_priv->refcount);
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ret = cma_resolve_ib_route(id_priv, timeout_ms);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ret = cma_resolve_iboe_route(id_priv);
- break;
- default:
- ret = -ENOSYS;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+ if (rdma_transport_ib(id->device, id->port_num))
+ ret = cma_resolve_ib_route(id_priv, timeout_ms);
+ else if (rdma_transport_iboe(id->device, id->port_num))
+ ret = cma_resolve_iboe_route(id_priv);
+ else if (rdma_transport_iwarp(id->device, id->port_num))
ret = cma_resolve_iw_route(id_priv, timeout_ms);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
if (ret)
goto err;
@@ -2059,7 +2031,7 @@ port_found:
goto out;
id_priv->id.route.addr.dev_addr.dev_type =
- (rdma_port_get_link_layer(cma_dev->device, p) ==
IB_LINK_LAYER_INFINIBAND) ?
+ (rdma_transport_ib(cma_dev->device, p)) ?
ARPHRD_INFINIBAND : ARPHRD_ETHER;
rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid);
@@ -2536,18 +2508,15 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
id_priv->backlog = backlog;
if (id->device) {
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id->device, id->port_num)) {
ret = cma_ib_listen(id_priv);
if (ret)
goto err;
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id->device, id->port_num)) {
ret = cma_iw_listen(id_priv, backlog);
if (ret)
goto err;
- break;
- default:
+ } else {
ret = -ENOSYS;
goto err;
}
@@ -2883,20 +2852,15 @@ int rdma_connect(struct rdma_cm_id *id, struct
rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_resolve_ib_udp(id_priv, conn_param);
else
ret = cma_connect_ib(id_priv, conn_param);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id->device, id->port_num))
ret = cma_connect_iw(id_priv, conn_param);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
if (ret)
goto err;
@@ -2999,8 +2963,7 @@ int rdma_accept(struct rdma_cm_id *id, struct
rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD) {
if (conn_param)
ret = cma_send_sidr_rep(id_priv,
IB_SIDR_SUCCESS,
@@ -3016,14 +2979,10 @@ int rdma_accept(struct rdma_cm_id *id, struct
rdma_conn_param *conn_param)
else
ret = cma_rep_recv(id_priv);
}
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id->device, id->port_num))
ret = cma_accept_iw(id_priv, conn_param);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
if (ret)
goto reject;
@@ -3067,8 +3026,7 @@ int rdma_reject(struct rdma_cm_id *id, const void
*private_data,
if (!id_priv->cm_id.ib)
return -EINVAL;
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0,
private_data, private_data_len);
@@ -3076,15 +3034,11 @@ int rdma_reject(struct rdma_cm_id *id, const void
*private_data,
ret = ib_send_cm_rej(id_priv->cm_id.ib,
IB_CM_REJ_CONSUMER_DEFINED, NULL,
0, private_data, private_data_len);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id->device, id->port_num)) {
ret = iw_cm_reject(id_priv->cm_id.iw,
private_data, private_data_len);
- break;
- default:
+ } else
ret = -ENOSYS;
- break;
- }
return ret;
}
EXPORT_SYMBOL(rdma_reject);
@@ -3098,22 +3052,17 @@ int rdma_disconnect(struct rdma_cm_id *id)
if (!id_priv->cm_id.ib)
return -EINVAL;
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
+ if (rdma_ib_mgmt(id->device, id->port_num)) {
ret = cma_modify_qp_err(id_priv);
if (ret)
goto out;
/* Initiate or respond to a disconnect. */
if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0))
ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0);
- break;
- case RDMA_TRANSPORT_IWARP:
+ } else if (rdma_transport_iwarp(id->device, id->port_num)) {
ret = iw_cm_disconnect(id_priv->cm_id.iw, 0);
- break;
- default:
+ } else
ret = -EINVAL;
- break;
- }
out:
return ret;
}
@@ -3359,24 +3308,13 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct
sockaddr *addr,
list_add(&mc->list, &id_priv->mc_list);
spin_unlock(&id_priv->lock);
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ret = cma_join_ib_multicast(id_priv, mc);
- break;
- case IB_LINK_LAYER_ETHERNET:
- kref_init(&mc->mcref);
- ret = cma_iboe_join_multicast(id_priv, mc);
- break;
- default:
- ret = -EINVAL;
- }
- break;
- default:
+ if (rdma_transport_iboe(id->device, id->port_num)) {
+ kref_init(&mc->mcref);
+ ret = cma_iboe_join_multicast(id_priv, mc);
+ } else if (rdma_transport_ib(id->device, id->port_num))
+ ret = cma_join_ib_multicast(id_priv, mc);
+ else
ret = -ENOSYS;
- break;
- }
if (ret) {
spin_lock_irq(&id_priv->lock);
@@ -3404,19 +3342,17 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct
sockaddr *addr)
ib_detach_mcast(id->qp,
&mc->multicast.ib->rec.mgid,
be16_to_cpu(mc->multicast.ib->rec.mlid));
- if
(rdma_node_get_transport(id_priv->cma_dev->device->node_type) ==
RDMA_TRANSPORT_IB) {
- switch (rdma_port_get_link_layer(id->device,
id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ib_sa_free_multicast(mc->multicast.ib);
- kfree(mc);
- break;
- case IB_LINK_LAYER_ETHERNET:
- kref_put(&mc->mcref, release_mc);
- break;
- default:
- break;
- }
- }
+
+ /* Will this happen? */
+ BUG_ON(id_priv->cma_dev->device != id->device);
+
+ if (rdma_transport_ib(id->device, id->port_num)) {
+ ib_sa_free_multicast(mc->multicast.ib);
+ kfree(mc);
+ } else if (rdma_transport_iboe(id->device,
+ id->port_num))
+ kref_put(&mc->mcref, release_mc);
+
return;
}
}
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 45d67e9..42c9bf6 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -722,26 +722,13 @@ static ssize_t ucma_query_route(struct ucma_file *file,
resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num;
- switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(ctx->cm_id->device,
- ctx->cm_id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ucma_copy_ib_route(&resp, &ctx->cm_id->route);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+
+ if (rdma_transport_ib(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_ib_route(&resp, &ctx->cm_id->route);
+ else if (rdma_transport_iboe(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
+ else if (rdma_transport_iwarp(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }
out:
if (copy_to_user((void __user *)(unsigned long)cmd.response,
--
2.1.0
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