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path: root/drivers/infiniband/hw/hfi1/chip.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
-rw-r--r--drivers/infiniband/hw/hfi1/chip.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index ee1324cce25a..cbda37386982 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -10067,10 +10067,16 @@ static void set_lidlmc(struct hfi1_pportdata *ppd)
struct hfi1_devdata *dd = ppd->dd;
u32 mask = ~((1U << ppd->lmc) - 1);
u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1);
+ u32 lid;
+ /*
+ * Program 0 in CSR if port lid is extended. This prevents
+ * 9B packets being sent out for large lids.
+ */
+ lid = (ppd->lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) ? 0 : ppd->lid;
c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK
| DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK);
- c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK)
+ c1 |= ((lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK)
<< DCC_CFG_PORT_CONFIG1_TARGET_DLID_SHIFT) |
((mask & DCC_CFG_PORT_CONFIG1_DLID_MASK_MASK)
<< DCC_CFG_PORT_CONFIG1_DLID_MASK_SHIFT);
@@ -10081,7 +10087,7 @@ static void set_lidlmc(struct hfi1_pportdata *ppd)
*/
sreg = ((mask & SEND_CTXT_CHECK_SLID_MASK_MASK) <<
SEND_CTXT_CHECK_SLID_MASK_SHIFT) |
- (((ppd->lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) <<
+ (((lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) <<
SEND_CTXT_CHECK_SLID_VALUE_SHIFT);
for (i = 0; i < dd->chip_send_contexts; i++) {
@@ -10091,7 +10097,7 @@ static void set_lidlmc(struct hfi1_pportdata *ppd)
}
/* Now we have to do the same thing for the sdma engines */
- sdma_update_lmc(dd, mask, ppd->lid);
+ sdma_update_lmc(dd, mask, lid);
}
static const char *state_completed_string(u32 completed)