diff mbox

[v1,for-next,13/16] RDMA/ocrdma: Increase the size of STAG array in dev structure to 16K

Message ID 9c65ea5c-a83b-470d-b31a-39a74d580592@CMEXHTCAS1.ad.emulex.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Selvin Xavier June 10, 2014, 2:02 p.m. UTC 
HW can support 16K STAG entries. Changing this max limit.
Also, moving this array out of ocrdma_dev to reduce
the size of this structure

Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
---
 drivers/infiniband/hw/ocrdma/ocrdma.h      |    2 +-
 drivers/infiniband/hw/ocrdma/ocrdma_main.c |    6 ++++++
 drivers/infiniband/hw/ocrdma/ocrdma_sli.h  |    2 +-
 3 files changed, 8 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h
index fc27378..5716513 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -236,7 +236,7 @@  struct ocrdma_dev {
 	struct list_head entry;
 	struct rcu_head rcu;
 	int id;
-	u64 stag_arr[OCRDMA_MAX_STAG];
+	u64 *stag_arr;
 	u8 sl; /* service level */
 	bool pfc_state;
 	atomic_t update_sl;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 3cb20c6..0d90c7f 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -324,6 +324,11 @@  static int ocrdma_alloc_resources(struct ocrdma_dev *dev)
 		if (!dev->qp_tbl)
 			goto alloc_err;
 	}
+
+	dev->stag_arr = kzalloc(sizeof(u64) * OCRDMA_MAX_STAG, GFP_KERNEL);
+	if (dev->stag_arr == NULL)
+		goto alloc_err;
+
 	spin_lock_init(&dev->av_tbl.lock);
 	spin_lock_init(&dev->flush_q_lock);
 	return 0;
@@ -334,6 +339,7 @@  alloc_err:
 
 static void ocrdma_free_resources(struct ocrdma_dev *dev)
 {
+	kfree(dev->stag_arr);
 	kfree(dev->qp_tbl);
 	kfree(dev->cq_tbl);
 	kfree(dev->sgid_tbl);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index a20d348..3d08e66 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -107,7 +107,7 @@  enum {
 
 #define OCRDMA_MAX_QP    2048
 #define OCRDMA_MAX_CQ    2048
-#define OCRDMA_MAX_STAG  8192
+#define OCRDMA_MAX_STAG 16384
 
 enum {
 	OCRDMA_DB_RQ_OFFSET		= 0xE0,