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authorHal Rosenstock <halr@voltaire.com>2005-09-07 14:03:41 -0400
committerRoland Dreier <rolandd@cisco.com>2005-09-07 14:03:41 -0400
commitb5dcbf47e10e568273213a4410daa27c11cdba3a (patch)
tree02024477eaa9b845d973865d6cdebaa0229677f0 /drivers
parent30a7e8ef13b2ff0db7b15af9afdd12b93783f01e (diff)
[PATCH] IB: RMPP fixes
- Fix payload length of middle RMPP sent segments. Middle payload lengths should be 0 on the send side. (This is perhaps a compliance and should not be an interop issue as middle payload lengths are supposed to be ignored on receive). - Fix length in first segment of multipacket sends (This is a compliance issue but does not affect at least OpenIB to OpenIB RMPP transfers). Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/mad_rmpp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index 43fd805e0265..2bd8b1cc57c4 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -593,7 +593,8 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr)
593 rmpp_mad->rmpp_hdr.paylen_newwin = 593 rmpp_mad->rmpp_hdr.paylen_newwin =
594 cpu_to_be32(mad_send_wr->total_seg * 594 cpu_to_be32(mad_send_wr->total_seg *
595 (sizeof(struct ib_rmpp_mad) - 595 (sizeof(struct ib_rmpp_mad) -
596 offsetof(struct ib_rmpp_mad, data))); 596 offsetof(struct ib_rmpp_mad, data)) -
597 mad_send_wr->pad);
597 mad_send_wr->sg_list[0].length = sizeof(struct ib_rmpp_mad); 598 mad_send_wr->sg_list[0].length = sizeof(struct ib_rmpp_mad);
598 } else { 599 } else {
599 mad_send_wr->send_wr.num_sge = 2; 600 mad_send_wr->send_wr.num_sge = 2;
@@ -602,6 +603,7 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr)
602 mad_send_wr->sg_list[1].length = sizeof(struct ib_rmpp_mad) - 603 mad_send_wr->sg_list[1].length = sizeof(struct ib_rmpp_mad) -
603 mad_send_wr->data_offset; 604 mad_send_wr->data_offset;
604 mad_send_wr->sg_list[1].lkey = mad_send_wr->sg_list[0].lkey; 605 mad_send_wr->sg_list[1].lkey = mad_send_wr->sg_list[0].lkey;
606 rmpp_mad->rmpp_hdr.paylen_newwin = 0;
605 } 607 }
606 608
607 if (mad_send_wr->seg_num == mad_send_wr->total_seg) { 609 if (mad_send_wr->seg_num == mad_send_wr->total_seg) {