IB/hfi1: Add selected Rcv counters

These counters are required for error analysis and debug.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/hfi1/chip.c

@@ -4104,6 +4104,9 @@ def_access_ibp_counter(seq_naks);
 
 static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = {
 [C_RCV_OVF] = RXE32_DEV_CNTR_ELEM(RcvOverflow, RCV_BUF_OVFL_CNT, CNTR_SYNTH),
+[C_RX_LEN_ERR] = RXE32_DEV_CNTR_ELEM(RxLenErr, RCV_LENGTH_ERR_CNT, CNTR_SYNTH),
+[C_RX_ICRC_ERR] = RXE32_DEV_CNTR_ELEM(RxICrcErr, RCV_ICRC_ERR_CNT, CNTR_SYNTH),
+[C_RX_EBP] = RXE32_DEV_CNTR_ELEM(RxEbpCnt, RCV_EBP_CNT, CNTR_SYNTH),
 [C_RX_TID_FULL] = RXE32_DEV_CNTR_ELEM(RxTIDFullEr, RCV_TID_FULL_ERR_CNT,
 			CNTR_NORMAL),
 [C_RX_TID_INVALID] = RXE32_DEV_CNTR_ELEM(RxTIDInvalid, RCV_TID_VALID_ERR_CNT,

drivers/infiniband/hw/hfi1/chip.h

@@ -858,6 +858,9 @@ static inline int idx_from_vl(int vl)
 /* Per device counter indexes */
 enum {
 	C_RCV_OVF = 0,
+	C_RX_LEN_ERR,
+	C_RX_ICRC_ERR,
+	C_RX_EBP,
 	C_RX_TID_FULL,
 	C_RX_TID_INVALID,
 	C_RX_TID_FLGMS,

drivers/infiniband/hw/hfi1/chip_registers.h

@@ -380,6 +380,9 @@
 #define DC_LCB_PRF_TX_FLIT_CNT (DC_LCB_CSRS + 0x000000000418)
 #define DC_LCB_STS_LINK_TRANSFER_ACTIVE (DC_LCB_CSRS + 0x000000000468)
 #define DC_LCB_STS_ROUND_TRIP_LTP_CNT (DC_LCB_CSRS + 0x0000000004B0)
+#define RCV_LENGTH_ERR_CNT 0
+#define RCV_ICRC_ERR_CNT 6
+#define RCV_EBP_CNT 9
 #define RCV_BUF_OVFL_CNT 10
 #define RCV_CONTEXT_EGR_STALL 22
 #define RCV_DATA_PKT_CNT 0