diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2010-09-10 11:14:53 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-09-28 10:46:30 -0700 |
| commit | 13fecb83b410b147343e6c7b0427d244ef77b526 (patch) | |
| tree | 452a4df2f7703f74872d72a982fa703b03582280 /drivers/infiniband | |
| parent | af93fb5dcc6b1cba5fd0861d349b3f9c93144bc0 (diff) | |
RDMA/cxgb4: Zero out ISGL padding
The HW design requires zeroing any pad in SGLs.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/qp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 4f5dd66da39d..bdbf54d517d9 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -263,6 +263,9 @@ static int build_immd(struct t4_sq *sq, struct fw_ri_immd *immdp, rem -= len; } } + len = roundup(plen + sizeof *immdp, 16) - (plen + sizeof *immdp); + if (len) + memset(dstp, 0, len); immdp->op = FW_RI_DATA_IMMD; immdp->r1 = 0; immdp->r2 = 0; @@ -292,6 +295,7 @@ static int build_isgl(__be64 *queue_start, __be64 *queue_end, if (++flitp == queue_end) flitp = queue_start; } + *flitp = (__force __be64)0; isglp->op = FW_RI_DATA_ISGL; isglp->r1 = 0; isglp->nsge = cpu_to_be16(num_sge); |