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authorFaisal Latif <flatif@neteffect.com>2008-07-25 07:50:45 +0400
committerRoland Dreier <rolandd@cisco.com>2008-07-25 07:50:45 +0400
commit6492cdf3a24fd620660c399745b5e169a0ed27d6 (patch)
tree474a0e937cda0b4cff70bc47a657d8338fb91d22 /drivers/infiniband/hw/nes/nes.c
parentfb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff)
downloadlinux-6492cdf3a24fd620660c399745b5e169a0ed27d6.tar.xz
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.c4
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) {