RDMA: iWARP Core Changes.

Modifications to the existing rdma header files, core files, drivers,
and ulp files to support iWARP, including:
 - Hook iWARP CM into the build system and use it in rdma_cm.
 - Convert enum ib_node_type to enum rdma_node_type, which includes
   the possibility of RDMA_NODE_RNIC, and update everything for this.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 21 insertions, 4 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 61eed3996117..8eacc3510993 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -56,12 +56,22 @@ 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
+};
+
+enum rdma_transport_type
+rdma_node_get_transport(enum rdma_node_type node_type) __attribute_const__;
+
 enum ib_device_cap_flags {
         IB_DEVICE_RESIZE_MAX_WR         = 1,
         IB_DEVICE_BAD_PKEY_CNTR         = (1<<1),
@@ -78,6 +88,9 @@ 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 {
@@ -835,6 +848,8 @@ struct ib_cache {
         u8                     *lmc_cache;
 };
 
+struct iw_cm_verbs;
+
 struct ib_device {
         struct device                *dma_device;
 
@@ -851,6 +866,8 @@ 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,