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RDMA/cxgb4: Limit MAXBURST EQ context field to 256B 

MAXBURST cannot exceed 256B for on-chip queues.  With a 512B MAXBURST,
we can lock up the chip.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Steve Wise 2011-01-21 17:00:29 +00:00 committed by Roland Dreier
parent a25cecce88
commit 6a09a9d694
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/hw/cxgb4/qp.c
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@ -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_DCAEN(0) |
V_FW_RI_RES_WR_DCACPU(0) | V_FW_RI_RES_WR_DCACPU(0) |
V_FW_RI_RES_WR_FBMIN(2) | 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_CIDXFTHRESHO(0) |
V_FW_RI_RES_WR_CIDXFTHRESH(0) | V_FW_RI_RES_WR_CIDXFTHRESH(0) |
V_FW_RI_RES_WR_EQSIZE(eqsize)); 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_DCAEN(0) |
V_FW_RI_RES_WR_DCACPU(0) | V_FW_RI_RES_WR_DCACPU(0) |
V_FW_RI_RES_WR_FBMIN(2) | 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_CIDXFTHRESHO(0) |
V_FW_RI_RES_WR_CIDXFTHRESH(0) | V_FW_RI_RES_WR_CIDXFTHRESH(0) |
V_FW_RI_RES_WR_EQSIZE(eqsize)); V_FW_RI_RES_WR_EQSIZE(eqsize));