[PATCH 4.9 070/109] RDMA/qedr: Fix RDMA CM loopback
From: Greg Kroah-Hartman
Date: Thu Dec 07 2017 - 08:56:47 EST
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ram Amrani <Ram.Amrani@xxxxxxxxxx>
[ Upstream commit af2b14b8b8ae21b0047a52c767ac8b44f435a280 ]
The loopback logic in RDMA CM packets compares Ethernet addresses and
was accidently inverse.
Signed-off-by: Ram Amrani <Ram.Amrani@xxxxxxxxxx>
Signed-off-by: Ariel Elior <Ariel.Elior@xxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/qedr/qedr_cm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/infiniband/hw/qedr/qedr_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_cm.c
@@ -404,9 +404,9 @@ static inline int qedr_gsi_build_packet(
}
if (ether_addr_equal(udh.eth.smac_h, udh.eth.dmac_h))
- packet->tx_dest = QED_ROCE_LL2_TX_DEST_NW;
- else
packet->tx_dest = QED_ROCE_LL2_TX_DEST_LB;
+ else
+ packet->tx_dest = QED_ROCE_LL2_TX_DEST_NW;
packet->roce_mode = roce_mode;
memcpy(packet->header.vaddr, ud_header_buffer, header_size);