[PATCH 2.6.22 2/5] iw_cxgb3: Fail qp creation if the requested max_inline is too large.

Steve Wise
2007-04-26T20:23:04Z

Fail qp creation if the requested max_inline is too large.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---

drivers/infiniband/hw/cxgb3/cxio_wr.h | 1 +
drivers/infiniband/hw/cxgb3/iwch_provider.c | 3 +++
2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index 90d7b89..ff7290e 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -38,6 +38,7 @@ #include <linux/timer.h>
#include "firmware_exports.h"

#define T3_MAX_SGE 4
+#define T3_MAX_INLINE 64

#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr))
#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 24e0df0..b1128ec 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -780,6 +780,9 @@ static struct ib_qp *iwch_create_qp(stru
if (rqsize > T3_MAX_RQ_SIZE)
return ERR_PTR(-EINVAL);

+ if (attrs->cap.max_inline_data > T3_MAX_INLINE)
+ return ERR_PTR(-EINVAL);
+
/*
* NOTE: The SQ and total WQ sizes don't need to be
* a power of two. However, all the code assumes