From: Steve Wise Date: Fri, 21 Jan 2011 17:00:29 +0000 (+0000) Subject: RDMA/cxgb4: Limit MAXBURST EQ context field to 256B X-Git-Tag: v2.6.37.1~156 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e0aebe17a5e02496b87a423629190c58e812c601;p=users%2Fdwmw2%2Flinux.git RDMA/cxgb4: Limit MAXBURST EQ context field to 256B commit 6a09a9d6946dd516d243d072bee83fae3c683471 upstream. MAXBURST cannot exceed 256B for on-chip queues. With a 512B MAXBURST, we can lock up the chip. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 3ccb76587e71a..8ae09e71e0394 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -220,7 +220,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, V_FW_RI_RES_WR_DCAEN(0) | V_FW_RI_RES_WR_DCACPU(0) | V_FW_RI_RES_WR_FBMIN(2) | - V_FW_RI_RES_WR_FBMAX(3) | + V_FW_RI_RES_WR_FBMAX(2) | V_FW_RI_RES_WR_CIDXFTHRESHO(0) | V_FW_RI_RES_WR_CIDXFTHRESH(0) | V_FW_RI_RES_WR_EQSIZE(eqsize)); @@ -243,7 +243,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, V_FW_RI_RES_WR_DCAEN(0) | V_FW_RI_RES_WR_DCACPU(0) | V_FW_RI_RES_WR_FBMIN(2) | - V_FW_RI_RES_WR_FBMAX(3) | + V_FW_RI_RES_WR_FBMAX(2) | V_FW_RI_RES_WR_CIDXFTHRESHO(0) | V_FW_RI_RES_WR_CIDXFTHRESH(0) | V_FW_RI_RES_WR_EQSIZE(eqsize));