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Subject[PATCH 2/2] iWARP Core Changes.
Date

This patch contains modifications to the existing rdma header files,
core files, drivers, and ulp files to support iWARP.
---
drivers/infiniband/core/Makefile | 4
drivers/infiniband/core/addr.c | 8 -
drivers/infiniband/core/cache.c | 8 -
drivers/infiniband/core/cm.c | 3
drivers/infiniband/core/cma.c | 349 +++++++++++++++++++++++---
drivers/infiniband/core/device.c | 6
drivers/infiniband/core/mad.c | 11 +
drivers/infiniband/core/sa_query.c | 5
drivers/infiniband/core/smi.c | 18 +
drivers/infiniband/core/sysfs.c | 18 +
drivers/infiniband/core/ucm.c | 5
drivers/infiniband/core/user_mad.c | 9 -
drivers/infiniband/hw/ipath/ipath_verbs.c | 2
drivers/infiniband/hw/mthca/mthca_provider.c | 2
drivers/infiniband/ulp/ipoib/ipoib_main.c | 8 +
drivers/infiniband/ulp/srp/ib_srp.c | 2
include/rdma/ib_addr.h | 15 +
include/rdma/ib_verbs.h | 39 +++
18 files changed, 427 insertions(+), 85 deletions(-)
diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile
index 68e73ec..163d991 100644
--- a/drivers/infiniband/core/Makefile
+++ b/drivers/infiniband/core/Makefile
@@ -1,7 +1,7 @@
infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := ib_addr.o rdma_cm.o

obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \
- ib_cm.o $(infiniband-y)
+ ib_cm.o iw_cm.o $(infiniband-y)
obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o
obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o

@@ -14,6 +14,8 @@ ib_sa-y := sa_query.o

ib_cm-y := cm.o

+iw_cm-y := iwcm.o
+
rdma_cm-y := cma.o

ib_addr-y := addr.o
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index d294bbc..5a9be54 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -60,12 +60,15 @@ static LIST_HEAD(req_list);
static DECLARE_WORK(work, process_req, NULL);
static struct workqueue_struct *addr_wq;

-static int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
+int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
unsigned char *dst_dev_addr)
{
switch (dev->type) {
case ARPHRD_INFINIBAND:
- dev_addr->dev_type = IB_NODE_CA;
+ dev_addr->dev_type = RDMA_NODE_IB_CA;
+ break;
+ case ARPHRD_ETHER:
+ dev_addr->dev_type = RDMA_NODE_RNIC;
break;
default:
return -EADDRNOTAVAIL;
@@ -77,6 +80,7 @@ static int copy_addr(struct rdma_dev_add
memcpy(dev_addr->dst_dev_addr, dst_dev_addr, MAX_ADDR_LEN);
return 0;
}
+EXPORT_SYMBOL(copy_addr);

int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
{
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index e05ca2c..061858c 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -32,13 +32,12 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: cache.c 1349 2004-12-16 21:09:43Z roland $
+ * $Id: cache.c 6885 2006-05-03 18:22:02Z sean.hefty $
*/

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/sched.h> /* INIT_WORK, schedule_work(), flush_scheduled_work() */

#include <rdma/ib_cache.h>

@@ -62,12 +61,13 @@ struct ib_update_work {

static inline int start_port(struct ib_device *device)
{
- return device->node_type == IB_NODE_SWITCH ? 0 : 1;
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
}

static inline int end_port(struct ib_device *device)
{
- return device->node_type == IB_NODE_SWITCH ? 0 : device->phys_port_cnt;
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ?
+ 0 : device->phys_port_cnt;
}

int ib_get_cached_gid(struct ib_device *device,
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 1c7463b..cf43ccb 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3253,6 +3253,9 @@ static void cm_add_one(struct ib_device
int ret;
u8 i;

+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
cm_dev = kmalloc(sizeof(*cm_dev) + sizeof(*port) *
device->phys_port_cnt, GFP_KERNEL);
if (!cm_dev)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 94555d2..2e0be1d 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -43,6 +43,7 @@ #include <rdma/rdma_cm_ib.h>
#include <rdma/ib_cache.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_sa.h>
+#include <rdma/iw_cm.h>

MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("Generic RDMA CM Agent");
@@ -124,6 +125,7 @@ struct rdma_id_private {
int query_id;
union {
struct ib_cm_id *ib;
+ struct iw_cm_id *iw;
} cm_id;

u32 seq_num;
@@ -259,13 +261,23 @@ static void cma_detach_from_dev(struct r
id_priv->cma_dev = NULL;
}

-static int cma_acquire_ib_dev(struct rdma_id_private *id_priv)
+static int cma_acquire_dev(struct rdma_id_private *id_priv)
{
+ enum rdma_node_type dev_type = id_priv->id.route.addr.dev_addr.dev_type;
struct cma_device *cma_dev;
union ib_gid *gid;
int ret = -ENODEV;

- gid = ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr);
+ switch (rdma_node_get_transport(dev_type)) {
+ case RDMA_TRANSPORT_IB:
+ gid = ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr);
+ break;
+ case RDMA_TRANSPORT_IWARP:
+ gid = iw_addr_get_sgid(&id_priv->id.route.addr.dev_addr);
+ break;
+ default:
+ return -ENODEV;
+ }

mutex_lock(&lock);
list_for_each_entry(cma_dev, &dev_list, list) {
@@ -280,16 +292,6 @@ static int cma_acquire_ib_dev(struct rdm
return ret;
}

-static int cma_acquire_dev(struct rdma_id_private *id_priv)
-{
- switch (id_priv->id.route.addr.dev_addr.dev_type) {
- case IB_NODE_CA:
- return cma_acquire_ib_dev(id_priv);
- default:
- return -ENODEV;
- }
-}
-
static void cma_deref_id(struct rdma_id_private *id_priv)
{
if (atomic_dec_and_test(&id_priv->refcount))
@@ -347,6 +349,16 @@ static int cma_init_ib_qp(struct rdma_id
IB_QP_PKEY_INDEX | IB_QP_PORT);
}

+static int cma_init_iw_qp(struct rdma_id_private *id_priv, struct ib_qp *qp)
+{
+ struct ib_qp_attr qp_attr;
+
+ qp_attr.qp_state = IB_QPS_INIT;
+ qp_attr.qp_access_flags = IB_ACCESS_LOCAL_WRITE;
+
+ return ib_modify_qp(qp, &qp_attr, IB_QP_STATE | IB_QP_ACCESS_FLAGS);
+}
+
int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr)
{
@@ -362,10 +374,13 @@ int rdma_create_qp(struct rdma_cm_id *id
if (IS_ERR(qp))
return PTR_ERR(qp);

- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
ret = cma_init_ib_qp(id_priv, qp);
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = cma_init_iw_qp(id_priv, qp);
+ break;
default:
ret = -ENOSYS;
break;
@@ -451,13 +466,17 @@ int rdma_init_qp_attr(struct rdma_cm_id
int ret;

id_priv = container_of(id, struct rdma_id_private, id);
- switch (id_priv->id.device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
+ case RDMA_TRANSPORT_IB:
ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, qp_attr,
qp_attr_mask);
if (qp_attr->qp_state == IB_QPS_RTR)
qp_attr->rq_psn = id_priv->seq_num;
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
+ qp_attr_mask);
+ break;
default:
ret = -ENOSYS;
break;
@@ -590,8 +609,8 @@ static int cma_notify_user(struct rdma_i

static void cma_cancel_route(struct rdma_id_private *id_priv)
{
- switch (id_priv->id.device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
+ case RDMA_TRANSPORT_IB:
if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query);
break;
@@ -611,11 +630,15 @@ static void cma_destroy_listen(struct rd
cma_exch(id_priv, CMA_DESTROYING);

if (id_priv->cma_dev) {
- switch (id_priv->id.device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
+ case RDMA_TRANSPORT_IB:
if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib))
ib_destroy_cm_id(id_priv->cm_id.ib);
break;
+ case RDMA_TRANSPORT_IWARP:
+ if (id_priv->cm_id.iw && !IS_ERR(id_priv->cm_id.iw))
+ iw_destroy_cm_id(id_priv->cm_id.iw);
+ break;
default:
break;
}
@@ -690,11 +713,15 @@ void rdma_destroy_id(struct rdma_cm_id *
cma_cancel_operation(id_priv, state);

if (id_priv->cma_dev) {
- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib))
ib_destroy_cm_id(id_priv->cm_id.ib);
break;
+ case RDMA_TRANSPORT_IWARP:
+ if (id_priv->cm_id.iw && !IS_ERR(id_priv->cm_id.iw))
+ iw_destroy_cm_id(id_priv->cm_id.iw);
+ break;
default:
break;
}
@@ -868,7 +895,7 @@ static struct rdma_id_private *cma_new_i
ib_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid);
ib_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey));
- rt->addr.dev_addr.dev_type = IB_NODE_CA;
+ rt->addr.dev_addr.dev_type = RDMA_NODE_IB_CA;

id_priv = container_of(id, struct rdma_id_private, id);
id_priv->state = CMA_CONNECT;
@@ -897,7 +924,7 @@ static int cma_req_handler(struct ib_cm_
}

atomic_inc(&conn_id->dev_remove);
- ret = cma_acquire_ib_dev(conn_id);
+ ret = cma_acquire_dev(conn_id);
if (ret) {
ret = -ENODEV;
cma_release_remove(conn_id);
@@ -981,6 +1008,124 @@ static void cma_set_compare_data(enum rd
}
}

+static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
+{
+ struct rdma_id_private *id_priv = iw_id->context;
+ enum rdma_cm_event_type event = 0;
+ struct sockaddr_in *sin;
+ int ret = 0;
+
+ atomic_inc(&id_priv->dev_remove);
+
+ switch (iw_event->event) {
+ case IW_CM_EVENT_CLOSE:
+ event = RDMA_CM_EVENT_DISCONNECTED;
+ break;
+ case IW_CM_EVENT_CONNECT_REPLY:
+ sin = (struct sockaddr_in*)&id_priv->id.route.addr.src_addr;
+ *sin = iw_event->local_addr;
+ sin = (struct sockaddr_in*)&id_priv->id.route.addr.dst_addr;
+ *sin = iw_event->remote_addr;
+ if (iw_event->status)
+ event = RDMA_CM_EVENT_REJECTED;
+ else
+ event = RDMA_CM_EVENT_ESTABLISHED;
+ break;
+ case IW_CM_EVENT_ESTABLISHED:
+ event = RDMA_CM_EVENT_ESTABLISHED;
+ break;
+ default:
+ BUG_ON(1);
+ }
+
+ ret = cma_notify_user(id_priv, event, iw_event->status,
+ iw_event->private_data,
+ iw_event->private_data_len);
+ if (ret) {
+ /* Destroy the CM ID by returning a non-zero value. */
+ id_priv->cm_id.iw = NULL;
+ cma_exch(id_priv, CMA_DESTROYING);
+ cma_release_remove(id_priv);
+ rdma_destroy_id(&id_priv->id);
+ return ret;
+ }
+
+ cma_release_remove(id_priv);
+ return ret;
+}
+
+struct net_device *ip_dev_find(u32 ip);
+static int iw_conn_req_handler(struct iw_cm_id *cm_id,
+ struct iw_cm_event *iw_event)
+{
+ struct rdma_cm_id *new_cm_id;
+ struct rdma_id_private *listen_id, *conn_id;
+ struct sockaddr_in *sin;
+ struct net_device *dev;
+ int ret;
+
+ listen_id = cm_id->context;
+ atomic_inc(&listen_id->dev_remove);
+ if (!cma_comp(listen_id, CMA_LISTEN)) {
+ ret = -ECONNABORTED;
+ goto out;
+ }
+
+ /* Create a new RDMA id for the new IW CM ID */
+ new_cm_id = rdma_create_id(listen_id->id.event_handler,
+ listen_id->id.context,
+ RDMA_PS_TCP);
+ if (!new_cm_id) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ conn_id = container_of(new_cm_id, struct rdma_id_private, id);
+ atomic_inc(&conn_id->dev_remove);
+ conn_id->state = CMA_CONNECT;
+
+ dev = ip_dev_find(iw_event->local_addr.sin_addr.s_addr);
+ if (!dev) {
+ ret = -EADDRNOTAVAIL;
+ rdma_destroy_id(new_cm_id);
+ goto out;
+ }
+ ret = copy_addr(&conn_id->id.route.addr.dev_addr, dev, NULL);
+ if (ret) {
+ rdma_destroy_id(new_cm_id);
+ goto out;
+ }
+
+ ret = cma_acquire_dev(conn_id);
+ if (ret) {
+ rdma_destroy_id(new_cm_id);
+ goto out;
+ }
+
+ conn_id->cm_id.iw = cm_id;
+ cm_id->context = conn_id;
+ cm_id->cm_handler = cma_iw_handler;
+
+ sin = (struct sockaddr_in*)&new_cm_id->route.addr.src_addr;
+ *sin = iw_event->local_addr;
+ sin = (struct sockaddr_in*)&new_cm_id->route.addr.dst_addr;
+ *sin = iw_event->remote_addr;
+
+ ret = cma_notify_user(conn_id, RDMA_CM_EVENT_CONNECT_REQUEST, 0,
+ iw_event->private_data,
+ iw_event->private_data_len);
+ if (ret) {
+ /* User wants to destroy the CM ID */
+ conn_id->cm_id.iw = NULL;
+ cma_exch(conn_id, CMA_DESTROYING);
+ cma_release_remove(conn_id);
+ rdma_destroy_id(&conn_id->id);
+ }
+
+out:
+ cma_release_remove(listen_id);
+ return ret;
+}
+
static int cma_ib_listen(struct rdma_id_private *id_priv)
{
struct ib_cm_compare_data compare_data;
@@ -1010,6 +1155,30 @@ static int cma_ib_listen(struct rdma_id_
return ret;
}

+static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog)
+{
+ int ret;
+ struct sockaddr_in *sin;
+
+ id_priv->cm_id.iw = iw_create_cm_id(id_priv->id.device,
+ iw_conn_req_handler,
+ id_priv);
+ if (IS_ERR(id_priv->cm_id.iw))
+ return PTR_ERR(id_priv->cm_id.iw);
+
+ sin = (struct sockaddr_in*)&id_priv->id.route.addr.src_addr;
+ id_priv->cm_id.iw->local_addr = *sin;
+
+ ret = iw_cm_listen(id_priv->cm_id.iw, backlog);
+
+ if (ret) {
+ iw_destroy_cm_id(id_priv->cm_id.iw);
+ id_priv->cm_id.iw = NULL;
+ }
+
+ return ret;
+}
+
static int cma_listen_handler(struct rdma_cm_id *id,
struct rdma_cm_event *event)
{
@@ -1085,12 +1254,17 @@ int rdma_listen(struct rdma_cm_id *id, i
return -EINVAL;

if (id->device) {
- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
ret = cma_ib_listen(id_priv);
if (ret)
goto err;
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = cma_iw_listen(id_priv, backlog);
+ if (ret)
+ goto err;
+ break;
default:
ret = -ENOSYS;
goto err;
@@ -1229,6 +1403,23 @@ err:
}
EXPORT_SYMBOL(rdma_set_ib_paths);

+static int cma_resolve_iw_route(struct rdma_id_private *id_priv, int timeout_ms)
+{
+ struct cma_work *work;
+
+ work = kzalloc(sizeof *work, GFP_KERNEL);
+ if (!work)
+ return -ENOMEM;
+
+ work->id = id_priv;
+ INIT_WORK(&work->work, cma_work_handler, work);
+ work->old_state = CMA_ROUTE_QUERY;
+ work->new_state = CMA_ROUTE_RESOLVED;
+ work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED;
+ queue_work(cma_wq, &work->work);
+ return 0;
+}
+
int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
{
struct rdma_id_private *id_priv;
@@ -1239,10 +1430,13 @@ int rdma_resolve_route(struct rdma_cm_id
return -EINVAL;

atomic_inc(&id_priv->refcount);
- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
ret = cma_resolve_ib_route(id_priv, timeout_ms);
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = cma_resolve_iw_route(id_priv, timeout_ms);
+ break;
default:
ret = -ENOSYS;
break;
@@ -1646,6 +1840,47 @@ out:
return ret;
}

+static int cma_connect_iw(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
+{
+ struct iw_cm_id *cm_id;
+ struct sockaddr_in* sin;
+ int ret;
+ struct iw_cm_conn_param iw_param;
+
+ cm_id = iw_create_cm_id(id_priv->id.device, cma_iw_handler, id_priv);
+ if (IS_ERR(cm_id)) {
+ ret = PTR_ERR(cm_id);
+ goto out;
+ }
+
+ id_priv->cm_id.iw = cm_id;
+
+ sin = (struct sockaddr_in*)&id_priv->id.route.addr.src_addr;
+ cm_id->local_addr = *sin;
+
+ sin = (struct sockaddr_in*)&id_priv->id.route.addr.dst_addr;
+ cm_id->remote_addr = *sin;
+
+ ret = cma_modify_qp_rtr(&id_priv->id);
+ if (ret) {
+ iw_destroy_cm_id(cm_id);
+ return ret;
+ }
+
+ iw_param.ord = conn_param->initiator_depth;
+ iw_param.ird = conn_param->responder_resources;
+ iw_param.private_data = conn_param->private_data;
+ iw_param.private_data_len = conn_param->private_data_len;
+ if (id_priv->id.qp)
+ iw_param.qpn = id_priv->qp_num;
+ else
+ iw_param.qpn = conn_param->qp_num;
+ ret = iw_cm_connect(cm_id, &iw_param);
+out:
+ return ret;
+}
+
int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
{
struct rdma_id_private *id_priv;
@@ -1661,10 +1896,13 @@ int rdma_connect(struct rdma_cm_id *id,
id_priv->srq = conn_param->srq;
}

- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
ret = cma_connect_ib(id_priv, conn_param);
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = cma_connect_iw(id_priv, conn_param);
+ break;
default:
ret = -ENOSYS;
break;
@@ -1705,6 +1943,28 @@ static int cma_accept_ib(struct rdma_id_
return ib_send_cm_rep(id_priv->cm_id.ib, &rep);
}

+static int cma_accept_iw(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
+{
+ struct iw_cm_conn_param iw_param;
+ int ret;
+
+ ret = cma_modify_qp_rtr(&id_priv->id);
+ if (ret)
+ return ret;
+
+ iw_param.ord = conn_param->initiator_depth;
+ iw_param.ird = conn_param->responder_resources;
+ iw_param.private_data = conn_param->private_data;
+ iw_param.private_data_len = conn_param->private_data_len;
+ if (id_priv->id.qp) {
+ iw_param.qpn = id_priv->qp_num;
+ } else
+ iw_param.qpn = conn_param->qp_num;
+
+ return iw_cm_accept(id_priv->cm_id.iw, &iw_param);
+}
+
int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
{
struct rdma_id_private *id_priv;
@@ -1720,13 +1980,16 @@ int rdma_accept(struct rdma_cm_id *id, s
id_priv->srq = conn_param->srq;
}

- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
if (conn_param)
ret = cma_accept_ib(id_priv, conn_param);
else
ret = cma_rep_recv(id_priv);
break;
+ case RDMA_TRANSPORT_IWARP:
+ ret = cma_accept_iw(id_priv, conn_param);
+ break;
default:
ret = -ENOSYS;
break;
@@ -1753,12 +2016,16 @@ int rdma_reject(struct rdma_cm_id *id, c
if (!cma_comp(id_priv, CMA_CONNECT))
return -EINVAL;

- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
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:
+ ret = iw_cm_reject(id_priv->cm_id.iw,
+ private_data, private_data_len);
+ break;
default:
ret = -ENOSYS;
break;
@@ -1777,16 +2044,18 @@ int rdma_disconnect(struct rdma_cm_id *i
!cma_comp(id_priv, CMA_DISCONNECT))
return -EINVAL;

- ret = cma_modify_qp_err(id);
- if (ret)
- goto out;
-
- switch (id->device->node_type) {
- case IB_NODE_CA:
+ switch (rdma_node_get_transport(id->device->node_type)) {
+ case RDMA_TRANSPORT_IB:
+ ret = cma_modify_qp_err(id);
+ 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:
+ ret = iw_cm_disconnect(id_priv->cm_id.iw, 0);
+ break;
default:
break;
}
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index b2f3cb9..7318fba 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -30,7 +30,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: device.c 1349 2004-12-16 21:09:43Z roland $
+ * $Id: device.c 5943 2006-03-22 00:58:04Z roland $
*/

#include <linux/module.h>
@@ -505,7 +505,7 @@ int ib_query_port(struct ib_device *devi
u8 port_num,
struct ib_port_attr *port_attr)
{
- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
if (port_num)
return -EINVAL;
} else if (port_num < 1 || port_num > device->phys_port_cnt)
@@ -580,7 +580,7 @@ int ib_modify_port(struct ib_device *dev
u8 port_num, int port_modify_mask,
struct ib_port_modify *port_modify)
{
- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
if (port_num)
return -EINVAL;
} else if (port_num < 1 || port_num > device->phys_port_cnt)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index b38e02a..a928ecf 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2004-2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
*
@@ -31,7 +31,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: mad.c 5596 2006-03-03 01:00:07Z sean.hefty $
+ * $Id: mad.c 7294 2006-05-17 18:12:30Z roland $
*/
#include <linux/dma-mapping.h>
#include <rdma/ib_cache.h>
@@ -2877,7 +2877,10 @@ static void ib_mad_init_device(struct ib
{
int start, end, i;

- if (device->node_type == IB_NODE_SWITCH) {
+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
} else {
@@ -2924,7 +2927,7 @@ static void ib_mad_remove_device(struct
{
int i, num_ports, cur_port;

- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
num_ports = 1;
cur_port = 0;
} else {
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 501cc05..4230277 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -887,7 +887,10 @@ static void ib_sa_add_one(struct ib_devi
struct ib_sa_device *sa_dev;
int s, e, i;

- if (device->node_type == IB_NODE_SWITCH)
+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
+ if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
else {
s = 1;
diff --git a/drivers/infiniband/core/smi.c b/drivers/infiniband/core/smi.c
index 35852e7..b81b2b9 100644
--- a/drivers/infiniband/core/smi.c
+++ b/drivers/infiniband/core/smi.c
@@ -34,7 +34,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: smi.c 1389 2004-12-27 22:56:47Z roland $
+ * $Id: smi.c 5258 2006-02-01 20:32:40Z sean.hefty $
*/

#include <rdma/ib_smi.h>
@@ -64,7 +64,7 @@ int smi_handle_dr_smp_send(struct ib_smp

/* C14-9:2 */
if (hop_ptr && hop_ptr < hop_cnt) {
- if (node_type != IB_NODE_SWITCH)
+ if (node_type != RDMA_NODE_IB_SWITCH)
return 0;

/* smp->return_path set when received */
@@ -77,7 +77,7 @@ int smi_handle_dr_smp_send(struct ib_smp
if (hop_ptr == hop_cnt) {
/* smp->return_path set when received */
smp->hop_ptr++;
- return (node_type == IB_NODE_SWITCH ||
+ return (node_type == RDMA_NODE_IB_SWITCH ||
smp->dr_dlid == IB_LID_PERMISSIVE);
}

@@ -95,7 +95,7 @@ int smi_handle_dr_smp_send(struct ib_smp

/* C14-13:2 */
if (2 <= hop_ptr && hop_ptr <= hop_cnt) {
- if (node_type != IB_NODE_SWITCH)
+ if (node_type != RDMA_NODE_IB_SWITCH)
return 0;

smp->hop_ptr--;
@@ -107,7 +107,7 @@ int smi_handle_dr_smp_send(struct ib_smp
if (hop_ptr == 1) {
smp->hop_ptr--;
/* C14-13:3 -- SMPs destined for SM shouldn't be here */
- return (node_type == IB_NODE_SWITCH ||
+ return (node_type == RDMA_NODE_IB_SWITCH ||
smp->dr_slid == IB_LID_PERMISSIVE);
}

@@ -142,7 +142,7 @@ int smi_handle_dr_smp_recv(struct ib_smp

/* C14-9:2 -- intermediate hop */
if (hop_ptr && hop_ptr < hop_cnt) {
- if (node_type != IB_NODE_SWITCH)
+ if (node_type != RDMA_NODE_IB_SWITCH)
return 0;

smp->return_path[hop_ptr] = port_num;
@@ -156,7 +156,7 @@ int smi_handle_dr_smp_recv(struct ib_smp
smp->return_path[hop_ptr] = port_num;
/* smp->hop_ptr updated when sending */

- return (node_type == IB_NODE_SWITCH ||
+ return (node_type == RDMA_NODE_IB_SWITCH ||
smp->dr_dlid == IB_LID_PERMISSIVE);
}

@@ -175,7 +175,7 @@ int smi_handle_dr_smp_recv(struct ib_smp

/* C14-13:2 */
if (2 <= hop_ptr && hop_ptr <= hop_cnt) {
- if (node_type != IB_NODE_SWITCH)
+ if (node_type != RDMA_NODE_IB_SWITCH)
return 0;

/* smp->hop_ptr updated when sending */
@@ -190,7 +190,7 @@ int smi_handle_dr_smp_recv(struct ib_smp
return 1;
}
/* smp->hop_ptr updated when sending */
- return (node_type == IB_NODE_SWITCH);
+ return (node_type == RDMA_NODE_IB_SWITCH);
}

/* C14-13:4 -- hop_ptr = 0 -> give to SM */
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 21f9282..cfd2c06 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -31,7 +31,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: sysfs.c 1349 2004-12-16 21:09:43Z roland $
+ * $Id: sysfs.c 6940 2006-05-04 17:04:55Z roland $
*/

#include "core_priv.h"
@@ -589,10 +589,16 @@ static ssize_t show_node_type(struct cla
return -ENODEV;

switch (dev->node_type) {
- case IB_NODE_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
- case IB_NODE_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
- case IB_NODE_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
- default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
+ case RDMA_NODE_IB_CA:
+ return sprintf(buf, "%d: CA\n", dev->node_type);
+ case RDMA_NODE_RNIC:
+ return sprintf(buf, "%d: RNIC\n", dev->node_type);
+ case RDMA_NODE_IB_SWITCH:
+ return sprintf(buf, "%d: switch\n", dev->node_type);
+ case RDMA_NODE_IB_ROUTER:
+ return sprintf(buf, "%d: router\n", dev->node_type);
+ default:
+ return sprintf(buf, "%d: <unknown>\n", dev->node_type);
}
}

@@ -708,7 +714,7 @@ int ib_device_register_sysfs(struct ib_d
if (ret)
goto err_put;

- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
ret = add_port(device, 0);
if (ret)
goto err_put;
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 67caf36..ad2e417 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -30,7 +30,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: ucm.c 4311 2005-12-05 18:42:01Z sean.hefty $
+ * $Id: ucm.c 7119 2006-05-11 16:40:38Z sean.hefty $
*/

#include <linux/completion.h>
@@ -1248,7 +1248,8 @@ static void ib_ucm_add_one(struct ib_dev
{
struct ib_ucm_device *ucm_dev;

- if (!device->alloc_ucontext)
+ if (!device->alloc_ucontext ||
+ rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;

ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index afe70a5..0cbd692 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
- * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2005-2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -31,7 +31,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: user_mad.c 5596 2006-03-03 01:00:07Z sean.hefty $
+ * $Id: user_mad.c 6041 2006-03-27 21:06:00Z halr $
*/

#include <linux/module.h>
@@ -967,7 +967,10 @@ static void ib_umad_add_one(struct ib_de
struct ib_umad_device *umad_dev;
int s, e, i;

- if (device->node_type == IB_NODE_SWITCH)
+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
+ if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
else {
s = 1;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 28fdbda..e4b45d7 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -984,7 +984,7 @@ static void *ipath_register_ib_device(in
(1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
- dev->node_type = IB_NODE_CA;
+ dev->node_type = RDMA_NODE_IB_CA;
dev->phys_port_cnt = 1;
dev->dma_device = ipath_layer_get_device(dd);
dev->class_dev.dev = dev->dma_device;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index a2eae8a..5c31819 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1273,7 +1273,7 @@ int mthca_register_device(struct mthca_d
(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
(1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
- dev->ib_dev.node_type = IB_NODE_CA;
+ dev->ib_dev.node_type = RDMA_NODE_IB_CA;
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
dev->ib_dev.dma_device = &dev->pdev->dev;
dev->ib_dev.class_dev.dev = &dev->pdev->dev;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 1c6ea1c..262427f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1084,13 +1084,16 @@ static void ipoib_add_one(struct ib_devi
struct ipoib_dev_priv *priv;
int s, e, p;

+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
if (!dev_list)
return;

INIT_LIST_HEAD(dev_list);

- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
s = 0;
e = 0;
} else {
@@ -1114,6 +1117,9 @@ static void ipoib_remove_one(struct ib_d
struct ipoib_dev_priv *priv, *tmp;
struct list_head *dev_list;

+ if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
dev_list = ib_get_client_data(device, &ipoib_client);

list_for_each_entry_safe(priv, tmp, dev_list, list) {
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index f1401e1..bba2956 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1845,7 +1845,7 @@ static void srp_add_one(struct ib_device
if (IS_ERR(srp_dev->fmr_pool))
srp_dev->fmr_pool = NULL;

- if (device->node_type == IB_NODE_SWITCH) {
+ if (device->node_type == RDMA_NODE_IB_SWITCH) {
s = 0;
e = 0;
} else {
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index fcb5ba8..f2fd3cc 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -40,7 +40,7 @@ struct rdma_dev_addr {
unsigned char src_dev_addr[MAX_ADDR_LEN];
unsigned char dst_dev_addr[MAX_ADDR_LEN];
unsigned char broadcast[MAX_ADDR_LEN];
- enum ib_node_type dev_type;
+ enum rdma_node_type dev_type;
};

/**
@@ -72,6 +72,9 @@ int rdma_resolve_ip(struct sockaddr *src

void rdma_addr_cancel(struct rdma_dev_addr *addr);

+int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
+ unsigned char *dst_dev_addr);
+
static inline int ip_addr_size(struct sockaddr *addr)
{
return addr->sa_family == AF_INET6 ?
@@ -111,4 +114,14 @@ static inline void ib_addr_set_dgid(stru
memcpy(dev_addr->dst_dev_addr + 4, gid, sizeof *gid);
}

+static inline union ib_gid* iw_addr_get_sgid(struct rdma_dev_addr* rda)
+{
+ return (union ib_gid*)rda->src_dev_addr;
+}
+
+static inline union ib_gid* iw_addr_get_dgid(struct rdma_dev_addr* rda)
+{
+ return (union ib_gid*)rda->dst_dev_addr;
+}
+
#endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index aeb4fcd..76e2351 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -35,7 +35,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: ib_verbs.h 1349 2004-12-16 21:09:43Z roland $
+ * $Id: ib_verbs.h 6885 2006-05-03 18:22:02Z sean.hefty $
*/

#if !defined(IB_VERBS_H)
@@ -56,12 +56,35 @@ union ib_gid {
} global;
};

-enum ib_node_type {
- IB_NODE_CA = 1,
- IB_NODE_SWITCH,
- IB_NODE_ROUTER
+enum rdma_node_type {
+ /* IB values map to NodeInfo:NodeType. */
+ RDMA_NODE_IB_CA = 1,
+ RDMA_NODE_IB_SWITCH,
+ RDMA_NODE_IB_ROUTER,
+ RDMA_NODE_RNIC
};

+enum rdma_transport_type {
+ RDMA_TRANSPORT_IB,
+ RDMA_TRANSPORT_IWARP
+};
+
+static inline enum rdma_transport_type
+rdma_node_get_transport(enum rdma_node_type node_type)
+{
+ switch (node_type) {
+ case RDMA_NODE_IB_CA:
+ case RDMA_NODE_IB_SWITCH:
+ case RDMA_NODE_IB_ROUTER:
+ return RDMA_TRANSPORT_IB;
+ case RDMA_NODE_RNIC:
+ return RDMA_TRANSPORT_IWARP;
+ default:
+ BUG();
+ return 0;
+ }
+}
+
enum ib_device_cap_flags {
IB_DEVICE_RESIZE_MAX_WR = 1,
IB_DEVICE_BAD_PKEY_CNTR = (1<<1),
@@ -78,6 +101,9 @@ enum ib_device_cap_flags {
IB_DEVICE_RC_RNR_NAK_GEN = (1<<12),
IB_DEVICE_SRQ_RESIZE = (1<<13),
IB_DEVICE_N_NOTIFY_CQ = (1<<14),
+ IB_DEVICE_ZERO_STAG = (1<<15),
+ IB_DEVICE_SEND_W_INV = (1<<16),
+ IB_DEVICE_MEM_WINDOW = (1<<17)
};

enum ib_atomic_cap {
@@ -830,6 +856,7 @@ struct ib_cache {
u8 *lmc_cache;
};

+struct iw_cm_verbs;
struct ib_device {
struct device *dma_device;

@@ -846,6 +873,8 @@ struct ib_device {

u32 flags;

+ struct iw_cm_verbs* iwcm;
+
int (*query_device)(struct ib_device *device,
struct ib_device_attr *device_attr);
int (*query_port)(struct ib_device *device,
-
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