提交 b414fa01 编写于 作者: S Steve Wise 提交者: Doug Ledford

iw_cxgb4: set correct FetchBurstMax for QPs

The current QP FetchBurstMax value is 256B, which
is incorrect since a WR can exceed that value.  The
result being a partial WR fetched by hardware, and
a fatal "bad WR" error posted by the SGE.

So bump the FetchBurstMax to 512B.
Signed-off-by: NSteve Wise <swise@opengridcomputing.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>
上级 6f94ba20
...@@ -321,7 +321,8 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, ...@@ -321,7 +321,8 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
FW_RI_RES_WR_DCAEN_V(0) | FW_RI_RES_WR_DCAEN_V(0) |
FW_RI_RES_WR_DCACPU_V(0) | FW_RI_RES_WR_DCACPU_V(0) |
FW_RI_RES_WR_FBMIN_V(2) | FW_RI_RES_WR_FBMIN_V(2) |
FW_RI_RES_WR_FBMAX_V(2) | (t4_sq_onchip(&wq->sq) ? FW_RI_RES_WR_FBMAX_V(2) :
FW_RI_RES_WR_FBMAX_V(3)) |
FW_RI_RES_WR_CIDXFTHRESHO_V(0) | FW_RI_RES_WR_CIDXFTHRESHO_V(0) |
FW_RI_RES_WR_CIDXFTHRESH_V(0) | FW_RI_RES_WR_CIDXFTHRESH_V(0) |
FW_RI_RES_WR_EQSIZE_V(eqsize)); FW_RI_RES_WR_EQSIZE_V(eqsize));
...@@ -345,7 +346,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, ...@@ -345,7 +346,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
FW_RI_RES_WR_DCAEN_V(0) | FW_RI_RES_WR_DCAEN_V(0) |
FW_RI_RES_WR_DCACPU_V(0) | FW_RI_RES_WR_DCACPU_V(0) |
FW_RI_RES_WR_FBMIN_V(2) | FW_RI_RES_WR_FBMIN_V(2) |
FW_RI_RES_WR_FBMAX_V(2) | FW_RI_RES_WR_FBMAX_V(3) |
FW_RI_RES_WR_CIDXFTHRESHO_V(0) | FW_RI_RES_WR_CIDXFTHRESHO_V(0) |
FW_RI_RES_WR_CIDXFTHRESH_V(0) | FW_RI_RES_WR_CIDXFTHRESH_V(0) |
FW_RI_RES_WR_EQSIZE_V(eqsize)); FW_RI_RES_WR_EQSIZE_V(eqsize));
......
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