5 files changed, 44 insertions, 25 deletions

diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 483057b2f4b4..fa0d52b8e622 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -36,6 +36,7 @@
 
 #include <linux/in.h>
 #include <linux/in6.h>
+#include <linux/if_arp.h>
 #include <linux/netdevice.h>
 #include <linux/socket.h>
 #include <rdma/ib_verbs.h>
@@ -60,8 +61,8 @@ 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 rdma_node_type dev_type;
-        struct net_device *src_dev;
+        unsigned short dev_type;
+        int bound_dev_if;
 };
 
 /**
@@ -121,40 +122,29 @@ static inline void ib_addr_get_mgid(struct rdma_dev_addr *dev_addr,
         memcpy(gid, dev_addr->broadcast + 4, sizeof *gid);
 }
 
-static inline void ib_addr_get_sgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
+static inline int rdma_addr_gid_offset(struct rdma_dev_addr *dev_addr)
 {
-        memcpy(gid, dev_addr->src_dev_addr + 4, sizeof *gid);
+        return dev_addr->dev_type == ARPHRD_INFINIBAND ? 4 : 0;
 }
 
-static inline void ib_addr_set_sgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
+static inline void rdma_addr_get_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
 {
-        memcpy(dev_addr->src_dev_addr + 4, gid, sizeof *gid);
+        memcpy(gid, dev_addr->src_dev_addr + rdma_addr_gid_offset(dev_addr), sizeof *gid);
 }
 
-static inline void ib_addr_get_dgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
+static inline void rdma_addr_set_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
 {
-        memcpy(gid, dev_addr->dst_dev_addr + 4, sizeof *gid);
+        memcpy(dev_addr->src_dev_addr + rdma_addr_gid_offset(dev_addr), gid, sizeof *gid);
 }
 
-static inline void ib_addr_set_dgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
+static inline void rdma_addr_get_dgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
 {
-        memcpy(dev_addr->dst_dev_addr + 4, gid, sizeof *gid);
+        memcpy(gid, dev_addr->dst_dev_addr + rdma_addr_gid_offset(dev_addr), sizeof *gid);
 }
 
-static inline void iw_addr_get_sgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
-{
-        memcpy(gid, dev_addr->src_dev_addr, sizeof *gid);
-}
-
-static inline void iw_addr_get_dgid(struct rdma_dev_addr *dev_addr,
-                                    union ib_gid *gid)
+static inline void rdma_addr_set_dgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
 {
-        memcpy(gid, dev_addr->dst_dev_addr, sizeof *gid);
+        memcpy(dev_addr->dst_dev_addr + rdma_addr_gid_offset(dev_addr), gid, sizeof *gid);
 }
 
 #endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index 3841c1aff692..1082afaed158 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -379,4 +379,10 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
                          struct ib_sa_path_rec *rec,
                          struct ib_ah_attr *ah_attr);
 
+/**
+ * ib_sa_unpack_path - Convert a path record from MAD format to struct
+ * ib_sa_path_rec.
+ */
+void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
+
 #endif /* IB_SA_H */
diff --git a/include/rdma/ib_user_sa.h b/include/rdma/ib_user_sa.h
index 659120157e14..cfc7c9ba781e 100644
--- a/include/rdma/ib_user_sa.h
+++ b/include/rdma/ib_user_sa.h
@@ -35,6 +35,22 @@
 
 #include <linux/types.h>
 
+enum {
+        IB_PATH_GMP             = 1,
+        IB_PATH_PRIMARY         = (1<<1),
+        IB_PATH_ALTERNATE       = (1<<2),
+        IB_PATH_OUTBOUND        = (1<<3),
+        IB_PATH_INBOUND         = (1<<4),
+        IB_PATH_INBOUND_REVERSE = (1<<5),
+        IB_PATH_BIDIRECTIONAL   = IB_PATH_OUTBOUND | IB_PATH_INBOUND_REVERSE
+};
+
+struct ib_path_rec_data {
+        __u32   flags;
+        __u32   reserved;
+        __u32   path_rec[16];
+};
+
 struct ib_user_path_rec {
         __u8    dgid[16];
         __u8    sgid[16];
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c179318edd92..09509edb1c5f 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1425,6 +1425,11 @@ int ib_destroy_qp(struct ib_qp *qp);
  * @send_wr: A list of work requests to post on the send queue.
  * @bad_send_wr: On an immediate failure, this parameter will reference
  *   the work request that failed to be posted on the QP.
+ *
+ * While IBA Vol. 1 section 11.4.1.1 specifies that if an immediate
+ * error is returned, the QP state shall not be affected,
+ * ib_post_send() will return an immediate error after queueing any
+ * earlier work requests in the list.
  */
 static inline int ib_post_send(struct ib_qp *qp,
                                struct ib_send_wr *send_wr,
diff --git a/include/rdma/rdma_user_cm.h b/include/rdma/rdma_user_cm.h
index c55705460b87..1d165022c02d 100644
--- a/include/rdma/rdma_user_cm.h
+++ b/include/rdma/rdma_user_cm.h
@@ -215,12 +215,14 @@ struct rdma_ucm_event_resp {
 
 /* Option levels */
 enum {
-        RDMA_OPTION_ID          = 0
+        RDMA_OPTION_ID          = 0,
+        RDMA_OPTION_IB          = 1
 };
 
 /* Option details */
 enum {
-        RDMA_OPTION_ID_TOS      = 0
+        RDMA_OPTION_ID_TOS      = 0,
+        RDMA_OPTION_IB_PATH     = 1
 };
 
 struct rdma_ucm_set_option {