diff options
| author | Faisal Latif <flatif@neteffect.com> | 2008-07-24 20:50:45 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-07-24 20:50:45 -0700 |
| commit | 6492cdf3a24fd620660c399745b5e169a0ed27d6 (patch) | |
| tree | 474a0e937cda0b4cff70bc47a657d8338fb91d22 /drivers/infiniband/hw/nes/nes.c | |
| parent | fb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff) | |
| download | lwn-6492cdf3a24fd620660c399745b5e169a0ed27d6.tar.gz lwn-6492cdf3a24fd620660c399745b5e169a0ed27d6.zip | |
RDMA/nes: CM connection setup/teardown rework
Major rework of CM connection setup/teardown. We had a number of issues
with MPI applications not starting/terminating properly over time.
With these changes we were able to run longer on larger clusters.
* Remove memory allocation from nes_connect() and nes_cm_connect().
* Fix mini_cm_dec_refcnt_listen() when destroying listener.
* Remove unnecessary code from schedule_nes_timer() and nes_cm_timer_tick().
* Functionalize mini_cm_recv_pkt() and process_packet().
* Clean up cm_node->ref_count usage.
* Reuse skbs if available.
Signed-off-by: Faisal Latif <flatif@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index d2884e778098..b0cab64e5e3d 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -276,6 +276,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r } nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id); + nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL; kfree(nesqp->allocated_buffer); } @@ -289,7 +290,6 @@ void nes_rem_ref(struct ib_qp *ibqp) struct nes_qp *nesqp; struct nes_vnic *nesvnic = to_nesvnic(ibqp->device); struct nes_device *nesdev = nesvnic->nesdev; - struct nes_adapter *nesadapter = nesdev->nesadapter; struct nes_hw_cqp_wqe *cqp_wqe; struct nes_cqp_request *cqp_request; u32 opcode; @@ -303,8 +303,6 @@ void nes_rem_ref(struct ib_qp *ibqp) } if (atomic_dec_and_test(&nesqp->refcount)) { - nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL; - /* Destroy the QP */ cqp_request = nes_get_cqp_request(nesdev); if (cqp_request == NULL) { |