Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:
 "This is my initial round of 4.4 merge window patches.  There are a few
  other things I wish to get in for 4.4 that aren't in this pull, as
  this represents what has gone through merge/build/run testing and not
  what is the last few items for which testing is not yet complete.

   - "Checksum offload support in user space" enablement
   - Misc cxgb4 fixes, add T6 support
   - Misc usnic fixes
   - 32 bit build warning fixes
   - Misc ocrdma fixes
   - Multicast loopback prevention extension
   - Extend the GID cache to store and return attributes of GIDs
   - Misc iSER updates
   - iSER clustering update
   - Network NameSpace support for rdma CM
   - Work Request cleanup series
   - New Memory Registration API"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (76 commits)
  IB/core, cma: Make __attribute_const__ declarations sparse-friendly
  IB/core: Remove old fast registration API
  IB/ipath: Remove fast registration from the code
  IB/hfi1: Remove fast registration from the code
  RDMA/nes: Remove old FRWR API
  IB/qib: Remove old FRWR API
  iw_cxgb4: Remove old FRWR API
  RDMA/cxgb3: Remove old FRWR API
  RDMA/ocrdma: Remove old FRWR API
  IB/mlx4: Remove old FRWR API support
  IB/mlx5: Remove old FRWR API support
  IB/srp: Dont allocate a page vector when using fast_reg
  IB/srp: Remove srp_finish_mapping
  IB/srp: Convert to new registration API
  IB/srp: Split srp_map_sg
  RDS/IW: Convert to new memory registration API
  svcrdma: Port to new memory registration API
  xprtrdma: Port to new memory registration API
  iser-target: Port to new memory registration API
  IB/iser: Port to new fast registration API
  ...

1 files changed, 36 insertions, 4 deletions

diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h
index bd92130f4ac5..269a27cf0a46 100644
--- a/include/rdma/ib_cache.h
+++ b/include/rdma/ib_cache.h
@@ -43,6 +43,8 @@
  * @port_num: The port number of the device to query.
  * @index: The index into the cached GID table to query.
  * @gid: The GID value found at the specified index.
+ * @attr: The GID attribute found at the specified index (only in RoCE).
+ *   NULL means ignore (output parameter).
  *
  * ib_get_cached_gid() fetches the specified GID table entry stored in
  * the local software cache.
@@ -50,13 +52,15 @@
 int ib_get_cached_gid(struct ib_device    *device,
 		      u8                   port_num,
 		      int                  index,
-		      union ib_gid        *gid);
+		      union ib_gid        *gid,
+		      struct ib_gid_attr  *attr);
 
 /**
  * ib_find_cached_gid - Returns the port number and GID table index where
  *   a specified GID value occurs.
  * @device: The device to query.
  * @gid: The GID value to search for.
+ * @ndev: In RoCE, the net device of the device. NULL means ignore.
  * @port_num: The port number of the device where the GID value was found.
  * @index: The index into the cached GID table where the GID was found.  This
  *   parameter may be NULL.
@@ -64,12 +68,40 @@ int ib_get_cached_gid(struct ib_device    *device,
  * ib_find_cached_gid() searches for the specified GID value in
  * the local software cache.
  */
-int ib_find_cached_gid(struct ib_device   *device,
+int ib_find_cached_gid(struct ib_device *device,
 		       const union ib_gid *gid,
-		       u8                 *port_num,
-		       u16                *index);
+		       struct net_device *ndev,
+		       u8               *port_num,
+		       u16              *index);
 
 /**
+ * ib_find_cached_gid_by_port - Returns the GID table index where a specified
+ * GID value occurs
+ * @device: The device to query.
+ * @gid: The GID value to search for.
+ * @port_num: The port number of the device where the GID value sould be
+ *   searched.
+ * @ndev: In RoCE, the net device of the device. Null means ignore.
+ * @index: The index into the cached GID table where the GID was found.  This
+ *   parameter may be NULL.
+ *
+ * ib_find_cached_gid() searches for the specified GID value in
+ * the local software cache.
+ */
+int ib_find_cached_gid_by_port(struct ib_device *device,
+			       const union ib_gid *gid,
+			       u8               port_num,
+			       struct net_device *ndev,
+			       u16              *index);
+
+int ib_find_gid_by_filter(struct ib_device *device,
+			  const union ib_gid *gid,
+			  u8 port_num,
+			  bool (*filter)(const union ib_gid *gid,
+					 const struct ib_gid_attr *,
+					 void *),
+			  void *context, u16 *index);
+/**
  * ib_get_cached_pkey - Returns a cached PKey table entry
  * @device: The device to query.
  * @port_num: The port number of the device to query.