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path: root/drivers/infiniband/sw/rxe/rxe_srq.c
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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_srq.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_srq.c60
1 files changed, 36 insertions, 24 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_srq.c b/drivers/infiniband/sw/rxe/rxe_srq.c
index 27ca82ec0826..3661cb627d28 100644
--- a/drivers/infiniband/sw/rxe/rxe_srq.c
+++ b/drivers/infiniband/sw/rxe/rxe_srq.c
@@ -45,40 +45,41 @@ int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_init_attr *init, struct ib_udata *udata,
struct rxe_create_srq_resp __user *uresp)
{
- int err;
- int srq_wqe_size;
struct rxe_queue *q;
- enum queue_type type;
+ int wqe_size;
+ int err;
- srq->ibsrq.event_handler = init->event_handler;
- srq->ibsrq.srq_context = init->srq_context;
- srq->limit = init->attr.srq_limit;
- srq->srq_num = srq->elem.index;
- srq->rq.max_wr = init->attr.max_wr;
- srq->rq.max_sge = init->attr.max_sge;
+ srq->ibsrq.event_handler = init->event_handler;
+ srq->ibsrq.srq_context = init->srq_context;
+ srq->limit = init->attr.srq_limit;
+ srq->srq_num = srq->elem.index;
+ srq->rq.max_wr = init->attr.max_wr;
+ srq->rq.max_sge = init->attr.max_sge;
- srq_wqe_size = rcv_wqe_size(srq->rq.max_sge);
+ wqe_size = sizeof(struct rxe_recv_wqe) +
+ srq->rq.max_sge*sizeof(struct ib_sge);
spin_lock_init(&srq->rq.producer_lock);
spin_lock_init(&srq->rq.consumer_lock);
- type = QUEUE_TYPE_FROM_CLIENT;
- q = rxe_queue_init(rxe, &srq->rq.max_wr, srq_wqe_size, type);
+ q = rxe_queue_init(rxe, &srq->rq.max_wr, wqe_size,
+ QUEUE_TYPE_FROM_CLIENT);
if (!q) {
rxe_dbg_srq(srq, "Unable to allocate queue\n");
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_out;
}
- srq->rq.queue = q;
-
err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, udata, q->buf,
q->buf_size, &q->ip);
if (err) {
- vfree(q->buf);
- kfree(q);
- return err;
+ rxe_dbg_srq(srq, "Unable to init mmap info for caller\n");
+ goto err_free;
}
+ srq->rq.queue = q;
+ init->attr.max_wr = srq->rq.max_wr;
+
if (uresp) {
if (copy_to_user(&uresp->srq_num, &srq->srq_num,
sizeof(uresp->srq_num))) {
@@ -88,6 +89,12 @@ int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
}
return 0;
+
+err_free:
+ vfree(q->buf);
+ kfree(q);
+err_out:
+ return err;
}
int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
@@ -145,9 +152,10 @@ int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata)
{
- int err;
struct rxe_queue *q = srq->rq.queue;
struct mminfo __user *mi = NULL;
+ int wqe_size;
+ int err;
if (mask & IB_SRQ_MAX_WR) {
/*
@@ -156,12 +164,16 @@ int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
*/
mi = u64_to_user_ptr(ucmd->mmap_info_addr);
- err = rxe_queue_resize(q, &attr->max_wr,
- rcv_wqe_size(srq->rq.max_sge), udata, mi,
- &srq->rq.producer_lock,
+ wqe_size = sizeof(struct rxe_recv_wqe) +
+ srq->rq.max_sge*sizeof(struct ib_sge);
+
+ err = rxe_queue_resize(q, &attr->max_wr, wqe_size,
+ udata, mi, &srq->rq.producer_lock,
&srq->rq.consumer_lock);
if (err)
- goto err2;
+ goto err_free;
+
+ srq->rq.max_wr = attr->max_wr;
}
if (mask & IB_SRQ_LIMIT)
@@ -169,7 +181,7 @@ int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
return 0;
-err2:
+err_free:
rxe_queue_cleanup(q);
srq->rq.queue = NULL;
return err;