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InfiniBand/RDMA changes for the 3.5 merge window:

Browse source 
- Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
  - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
    applications to send and receive arbitrary packets directly to/from
    the hardware
  - Add "doorbell drop" handling to the cxgb4 driver
  - A fairly large batch of qib hardware driver changes
  - A few fixes for lockdep-detected issues
  - A few other miscellaneous fixes and cleanups
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Merge tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA changes from Roland Dreier:
 - Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
 - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
   applications to send and receive arbitrary packets directly to/from
   the hardware
 - Add "doorbell drop" handling to the cxgb4 driver
 - A fairly large batch of qib hardware driver changes
 - A few fixes for lockdep-detected issues
 - A few other miscellaneous fixes and cleanups

Fix up trivial conflict in drivers/net/ethernet/emulex/benet/be.h.

* tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (53 commits)
  RDMA/cxgb4: Include vmalloc.h for vmalloc and vfree
  IB/mlx4: Fix mlx4_ib_add() error flow
  IB/core: Fix IB_SA_COMP_MASK macro
  IB/iser: Fix error flow in iser ep connection establishment
  IB/mlx4: Increase the number of vectors (EQs) available for ULPs
  RDMA/cxgb4: Add query_qp support
  RDMA/cxgb4: Remove kfifo usage
  RDMA/cxgb4: Use vmalloc() for debugfs QP dump
  RDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues
  RDMA/cxgb4: Disable interrupts in c4iw_ev_dispatch()
  RDMA/cxgb4: Add DB Overflow Avoidance
  RDMA/cxgb4: Add debugfs RDMA memory stats
  cxgb4: DB Drop Recovery for RDMA and LLD queues
  cxgb4: Common platform specific changes for DB Drop Recovery
  cxgb4: Detect DB FULL events and notify RDMA ULD
  RDMA/cxgb4: Drop peer_abort when no endpoint found
  RDMA/cxgb4: Always wake up waiters in c4iw_peer_abort_intr()
  mlx4_core: Change bitmap allocator to work in round-robin fashion
  RDMA/nes: Don't call event handler if pointer is NULL
  RDMA/nes: Fix for the ORD value of the connecting peer
  ...
This commit is contained in:
Linus Torvalds 2012-05-21 17:54:55 -07:00
commit c23ddf7857
80 changed files with 10554 additions and 455 deletions
Download patch file Download diff file Expand all files Collapse all files

39
drivers/net/ethernet/emulex/benet/be_cmds.c
View file

@ -15,6 +15,7 @@
* Costa Mesa, CA 92626
*/
#include <linux/module.h>
#include "be.h"
#include "be_cmds.h"
@ -2646,3 +2647,41 @@ err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
{
struct be_adapter *adapter = netdev_priv(netdev_handle);
struct be_mcc_wrb *wrb;
struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *) wrb_payload;
struct be_cmd_req_hdr *req;
struct be_cmd_resp_hdr *resp;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
resp = embedded_payload(wrb);
be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
hdr->opcode, wrb_payload_size, wrb, NULL);
memcpy(req, wrb_payload, wrb_payload_size);
be_dws_cpu_to_le(req, wrb_payload_size);
status = be_mcc_notify_wait(adapter);
if (cmd_status)
*cmd_status = (status & 0xffff);
if (ext_status)
*ext_status = 0;
memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
EXPORT_SYMBOL(be_roce_mcc_cmd);