RDMA/nes: Add wqm_quanta module option

Add a module parameter wqm_quanta.  It controls the number of segments
transmitted at a time.

Signed-off-by: Sweta Bhatt <sweta.bhatt@einfochips.com>
Signed-off-by: Chien Tung <ctung@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index bdd98e66f432..0e259a8b307f 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -861,7 +861,8 @@ static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_cou
 
         nes_write_indexed(nesdev, 0x00005000, 0x00018000);
         /* nes_write_indexed(nesdev, 0x00005000, 0x00010000); */
-        nes_write_indexed(nesdev, 0x00005004, 0x00020001);
+        nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, (wqm_quanta << 1) |
+                                                         0x00000001);
         nes_write_indexed(nesdev, 0x00005008, 0x1F1F1F1F);
         nes_write_indexed(nesdev, 0x00005010, 0x1F1F1F1F);
         nes_write_indexed(nesdev, 0x00005018, 0x1F1F1F1F);