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authorDon Hiatt <don.hiatt@intel.com>2017-08-04 13:54:23 -0700
committerDoug Ledford <dledford@redhat.com>2017-08-22 14:22:37 -0400
commit88733e3b845024cb2324a68469a4a25fdd9c0a6c (patch)
tree2701e93735e12d43bfb14ac7042c69423fd70483 /drivers/infiniband/hw/hfi1/ruc.c
parentIB/hfi1: Determine 9B/16B L2 header type based on Address handle (diff)
downloadlinux-dev-88733e3b845024cb2324a68469a4a25fdd9c0a6c.tar.xz
linux-dev-88733e3b845024cb2324a68469a4a25fdd9c0a6c.zip
IB/hfi1: Add 16B UD support
Add 16B bypass packet support for UD traffic types. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/ruc.c')
-rw-r--r--drivers/infiniband/hw/hfi1/ruc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/ruc.c b/drivers/infiniband/hw/hfi1/ruc.c
index d252f8f2207a..6839bfae933c 100644
--- a/drivers/infiniband/hw/hfi1/ruc.c
+++ b/drivers/infiniband/hw/hfi1/ruc.c
@@ -649,7 +649,7 @@ done:
* @ibp: a pointer to the IB port
* @hdr: a pointer to the GRH header being constructed
* @grh: the global route address to send to
- * @hwords: the number of 32 bit words of header being sent
+ * @hwords: size of header after grh being sent in dwords
* @nwords: the number of 32 bit words of data being sent
*
* Return the size of the header in 32 bit words.
@@ -661,7 +661,7 @@ u32 hfi1_make_grh(struct hfi1_ibport *ibp, struct ib_grh *hdr,
cpu_to_be32((IB_GRH_VERSION << IB_GRH_VERSION_SHIFT) |
(grh->traffic_class << IB_GRH_TCLASS_SHIFT) |
(grh->flow_label << IB_GRH_FLOW_SHIFT));
- hdr->paylen = cpu_to_be16((hwords - 2 + nwords + SIZE_OF_CRC) << 2);
+ hdr->paylen = cpu_to_be16((hwords + nwords) << 2);
/* next_hdr is defined by C8-7 in ch. 8.4.1 */
hdr->next_hdr = IB_GRH_NEXT_HDR;
hdr->hop_limit = grh->hop_limit;