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| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2020-01-06 08:42:28 -0500 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-01-10 10:57:17 -0400 |
| commit | 5ffd048698ea5139743acd45e8ab388a683642b8 (patch) | |
| tree | 628f74a3a5cc3a0237d80846ef904a5d4a071b9c | |
| parent | d791d294edd2f96e5200882f789e8cb4ed431991 (diff) | |
| download | linux-5ffd048698ea5139743acd45e8ab388a683642b8.tar.gz linux-5ffd048698ea5139743acd45e8ab388a683642b8.tar.bz2 linux-5ffd048698ea5139743acd45e8ab388a683642b8.zip | |
IB/hfi1: Add software counter for ctxt0 seq drop
All other code paths increment some form of drop counter.
This was missed in the original implementation.
Fixes: 82c2611daaf0 ("staging/rdma/hfi1: Handle packets with invalid RHF on context 0")
Link: https://lore.kernel.org/r/20200106134228.119356.96828.stgit@awfm-01.aw.intel.com
Reviewed-by: Kaike Wan <kaike.wan@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>
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 10 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/driver.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 2 |
4 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9e2bf9959c96..012f3331b8b4 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -1685,6 +1685,14 @@ static u64 access_sw_pio_drain(const struct cntr_entry *entry, return dd->verbs_dev.n_piodrain; } +static u64 access_sw_ctx0_seq_drop(const struct cntr_entry *entry, + void *context, int vl, int mode, u64 data) +{ + struct hfi1_devdata *dd = context; + + return dd->ctx0_seq_drop; +} + static u64 access_sw_vtx_wait(const struct cntr_entry *entry, void *context, int vl, int mode, u64 data) { @@ -4249,6 +4257,8 @@ static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = { access_sw_cpu_intr), [C_SW_CPU_RCV_LIM] = CNTR_ELEM("RcvLimit", 0, 0, CNTR_NORMAL, access_sw_cpu_rcv_limit), +[C_SW_CTX0_SEQ_DROP] = CNTR_ELEM("SeqDrop0", 0, 0, CNTR_NORMAL, + access_sw_ctx0_seq_drop), [C_SW_VTX_WAIT] = CNTR_ELEM("vTxWait", 0, 0, CNTR_NORMAL, access_sw_vtx_wait), [C_SW_PIO_WAIT] = CNTR_ELEM("PioWait", 0, 0, CNTR_NORMAL, diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h index 05b713098567..93c9c8c0ac30 100644 --- a/drivers/infiniband/hw/hfi1/chip.h +++ b/drivers/infiniband/hw/hfi1/chip.h @@ -932,6 +932,7 @@ enum { C_DC_PG_STS_TX_MBE_CNT, C_SW_CPU_INTR, C_SW_CPU_RCV_LIM, + C_SW_CTX0_SEQ_DROP, C_SW_VTX_WAIT, C_SW_PIO_WAIT, C_SW_PIO_DRAIN, diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c index 0b9fbfa8b7fb..049d15befe58 100644 --- a/drivers/infiniband/hw/hfi1/driver.c +++ b/drivers/infiniband/hw/hfi1/driver.c @@ -732,6 +732,7 @@ static noinline int skip_rcv_packet(struct hfi1_packet *packet, int thread) { int ret; + packet->rcd->dd->ctx0_seq_drop++; /* Set up for the next packet */ packet->rhqoff += packet->rsize; if (packet->rhqoff >= packet->maxcnt) diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 752dc087cc42..6365e8ffed9d 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1159,6 +1159,8 @@ struct hfi1_devdata { char *boardname; /* human readable board info */ + u64 ctx0_seq_drop; + /* reset value */ u64 z_int_counter; u64 z_rcv_limit; |