Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f5e10529a9a835a267f6aa7806e291d6df845e14
Commit: f5e10529a9a835a267f6aa7806e291d6df845e14
Parent: f2d9136133de257abbd97fec6f624d3a73d1e1fd
Author: Dotan Barak <[EMAIL PROTECTED]>
AuthorDate: Wed Dec 27 15:46:06 2006 +0200
Committer: Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Tue Jan 9 14:14:28 2007 -0800
IB/mthca: Don't execute QUERY_QP firmware command for QP in RESET state
If a QP being queried is in the RESET state, don't execute the
QUERY_QP firmware command (because it will fail).
Signed-off-by: Dotan Barak <[EMAIL PROTECTED]>
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/mthca/mthca_qp.c | 26 +++++++++++++++++---------
1 files changed, 17 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c
b/drivers/infiniband/hw/mthca/mthca_qp.c
index d844a25..5f5214c 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -429,13 +429,18 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr
*qp_attr, int qp_attr_m
{
struct mthca_dev *dev = to_mdev(ibqp->device);
struct mthca_qp *qp = to_mqp(ibqp);
- int err;
- struct mthca_mailbox *mailbox;
+ int err = 0;
+ struct mthca_mailbox *mailbox = NULL;
struct mthca_qp_param *qp_param;
struct mthca_qp_context *context;
int mthca_state;
u8 status;
+ if (qp->state == IB_QPS_RESET) {
+ qp_attr->qp_state = IB_QPS_RESET;
+ goto done;
+ }
+
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
@@ -454,7 +459,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr
*qp_attr, int qp_attr_m
mthca_state = be32_to_cpu(context->flags) >> 28;
qp_attr->qp_state = to_ib_qp_state(mthca_state);
- qp_attr->cur_qp_state = qp_attr->qp_state;
qp_attr->path_mtu = context->mtu_msgmax >> 5;
qp_attr->path_mig_state =
to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
@@ -464,11 +468,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr
*qp_attr, int qp_attr_m
qp_attr->dest_qp_num = be32_to_cpu(context->remote_qpn) &
0xffffff;
qp_attr->qp_access_flags =
to_ib_qp_access_flags(be32_to_cpu(context->params2));
- qp_attr->cap.max_send_wr = qp->sq.max;
- qp_attr->cap.max_recv_wr = qp->rq.max;
- qp_attr->cap.max_send_sge = qp->sq.max_gs;
- qp_attr->cap.max_recv_sge = qp->rq.max_gs;
- qp_attr->cap.max_inline_data = qp->max_inline_data;
if (qp->transport == RC || qp->transport == UC) {
to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path);
@@ -495,7 +494,16 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr
*qp_attr, int qp_attr_m
qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) &
0x7;
qp_attr->rnr_retry = context->pri_path.rnr_retry >> 5;
qp_attr->alt_timeout = context->alt_path.ackto >> 3;
- qp_init_attr->cap = qp_attr->cap;
+
+done:
+ qp_attr->cur_qp_state = qp_attr->qp_state;
+ qp_attr->cap.max_send_wr = qp->sq.max;
+ qp_attr->cap.max_recv_wr = qp->rq.max;
+ qp_attr->cap.max_send_sge = qp->sq.max_gs;
+ qp_attr->cap.max_recv_sge = qp->rq.max_gs;
+ qp_attr->cap.max_inline_data = qp->max_inline_data;
+
+ qp_init_attr->cap = qp_attr->cap;
out:
mthca_free_mailbox(dev, mailbox);
-
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