diff options
| author | James Smart <jsmart2021@gmail.com> | 2021-08-16 18:28:55 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-25 04:56:34 +0200 |
| commit | 17b27ac5922454ff7de91cbed458643608c36abc (patch) | |
| tree | 28c9c6bd49bfd1599baecd7ce841c9c4051cfa1c /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | scsi: lpfc: Add support for the CM framework (diff) | |
| download | linux-17b27ac5922454ff7de91cbed458643608c36abc.tar.xz linux-17b27ac5922454ff7de91cbed458643608c36abc.zip | |
scsi: lpfc: Add rx monitoring statistics
The driver provides overwatch of the cm behavior by maintaining a set of rx
I/O statistics. This information is also used in later updating of the cm
statistics buffer.
Link: https://lore.kernel.org/r/20210816162901.121235-11-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a6a8f26eda77..ffd8a140638c 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8068,6 +8068,21 @@ no_cmf: atomic64_set(&phba->cgn_latency_evt, 0); phba->cmf_interval_rate = LPFC_CMF_INTERVAL; + + /* Allocate RX Monitor Buffer */ + if (!phba->rxtable) { + phba->rxtable = kmalloc_array(LPFC_MAX_RXMONITOR_ENTRY, + sizeof(struct rxtable_entry), + GFP_KERNEL); + if (!phba->rxtable) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2644 Failed to alloc memory " + "for RX Monitor Buffer\n"); + return -ENOMEM; + } + } + atomic_set(&phba->rxtable_idx_head, 0); + atomic_set(&phba->rxtable_idx_tail, 0); return 0; } |