IB/hfi1: Fix integrity errors counter value calculation
PMA should not sum TX and RX replay counts when reporting
local link integrity errors. Fixed by removing C_DC_TX_REPLAY
counter from calculation of the link integrity errors counter
value.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index 962bb11..5590a4c 100644
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -2418,14 +2418,9 @@
rsp->port_rcv_remote_physical_errors =
cpu_to_be64(read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
CNTR_INVALID_VL));
- tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
- tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
- if (tmp2 < tmp) {
- /* overflow/wrapped */
- rsp->local_link_integrity_errors = cpu_to_be64(~0);
- } else {
- rsp->local_link_integrity_errors = cpu_to_be64(tmp2);
- }
+ rsp->local_link_integrity_errors =
+ cpu_to_be64(read_dev_cntr(dd, C_DC_RX_REPLAY,
+ CNTR_INVALID_VL));
tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL);
tmp2 = tmp + read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT,
CNTR_INVALID_VL);
@@ -2520,9 +2515,8 @@
error_counter_summary += read_dev_cntr(dd, C_DC_RMT_PHY_ERR,
CNTR_INVALID_VL);
/* local link integrity must be right-shifted by the lli resolution */
- tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
- tmp += read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
- error_counter_summary += (tmp >> res_lli);
+ error_counter_summary += (read_dev_cntr(dd, C_DC_RX_REPLAY,
+ CNTR_INVALID_VL) >> res_lli);
/* link error recovery must b right-shifted by the ler resolution */
tmp = read_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL);
tmp += read_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL);
@@ -2791,14 +2785,9 @@
rsp->port_rcv_constraint_errors =
cpu_to_be64(read_port_cntr(ppd, C_SW_RCV_CSTR_ERR,
CNTR_INVALID_VL));
- tmp = read_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL);
- tmp2 = tmp + read_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL);
- if (tmp2 < tmp) {
- /* overflow/wrapped */
- rsp->local_link_integrity_errors = cpu_to_be64(~0);
- } else {
- rsp->local_link_integrity_errors = cpu_to_be64(tmp2);
- }
+ rsp->local_link_integrity_errors =
+ cpu_to_be64(read_dev_cntr(dd, C_DC_RX_REPLAY,
+ CNTR_INVALID_VL));
rsp->excessive_buffer_overruns =
cpu_to_be64(read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL));
}
@@ -3156,10 +3145,8 @@
if (counter_select & CS_PORT_RCV_REMOTE_PHYSICAL_ERRORS)
write_dev_cntr(dd, C_DC_RMT_PHY_ERR, CNTR_INVALID_VL, 0);
- if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS) {
- write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0);
+ if (counter_select & CS_LOCAL_LINK_INTEGRITY_ERRORS)
write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0);
- }
if (counter_select & CS_LINK_ERROR_RECOVERY) {
write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0);
@@ -3956,7 +3943,6 @@
write_dev_cntr(dd, C_DC_SEQ_CRC_CNT, CNTR_INVALID_VL, 0);
write_dev_cntr(dd, C_DC_REINIT_FROM_PEER_CNT, CNTR_INVALID_VL, 0);
/* LocalLinkIntegrityErrors */
- write_dev_cntr(dd, C_DC_TX_REPLAY, CNTR_INVALID_VL, 0);
write_dev_cntr(dd, C_DC_RX_REPLAY, CNTR_INVALID_VL, 0);
/* ExcessiveBufferOverruns */
write_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL, 0);