diff options
| author | Vasu Dev <vasu.dev@intel.com> | 2012-05-25 10:26:54 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-07-20 08:31:48 +0100 |
| commit | 4e5fae7adbe4f21538b9e62c0fc9b029bbd606cb (patch) | |
| tree | 99c14af426c0e3f6b38583ac66e7622028d669c6 | |
| parent | 0f02a6652803235a4893c7b01dd6eab862a913ec (diff) | |
[SCSI] libfc: update fcp and exch stats
Updates newly added stats from fc_get_host_stats,
added new function fc_exch_update_stats to
update exches related stats from fc_exch.c
by going thru internal ema_list elements.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by : Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/libfc/fc_exch.c | 30 | ||||
| -rw-r--r-- | drivers/scsi/libfc/fc_lport.c | 7 | ||||
| -rw-r--r-- | include/scsi/libfc.h | 1 |
3 files changed, 33 insertions, 5 deletions
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 1d0334f83f78..10a6a2a7bfc5 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -99,11 +99,6 @@ struct fc_exch_mgr { u16 max_xid; u16 pool_max_index; - /* - * currently exchange mgr stats are updated but not used. - * either stats can be expose via sysfs or remove them - * all together if not used XXX - */ struct { atomic_t no_free_exch; atomic_t no_free_exch_xid; @@ -2156,6 +2151,31 @@ out: } /** + * fc_exch_update_stats() - update exches stats to lport + * @lport: The local port to update exchange manager stats + */ +void fc_exch_update_stats(struct fc_lport *lport) +{ + struct fc_host_statistics *st; + struct fc_exch_mgr_anchor *ema; + struct fc_exch_mgr *mp; + + st = &lport->host_stats; + + list_for_each_entry(ema, &lport->ema_list, ema_list) { + mp = ema->mp; + st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch); + st->fc_no_free_exch_xid += + atomic_read(&mp->stats.no_free_exch_xid); + st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found); + st->fc_xid_busy += atomic_read(&mp->stats.xid_busy); + st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found); + st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp); + } +} +EXPORT_SYMBOL(fc_exch_update_stats); + +/** * fc_exch_mgr_add() - Add an exchange manager to a local port's list of EMs * @lport: The local port to add the exchange manager to * @mp: The exchange manager to be added to the local port diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 3e8c48dfa42f..ca278d4b0f66 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -329,6 +329,9 @@ struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *shost) fc_stats->fcp_control_requests += stats->ControlRequests; fcp_in_bytes += stats->InputBytes; fcp_out_bytes += stats->OutputBytes; + fc_stats->fcp_packet_alloc_failures += stats->FcpPktAllocFails; + fc_stats->fcp_packet_aborts += stats->FcpPktAborts; + fc_stats->fcp_frame_alloc_failures += stats->FcpFrameAllocFails; fc_stats->link_failure_count += stats->LinkFailureCount; } fc_stats->fcp_input_megabytes = div_u64(fcp_in_bytes, 1000000); @@ -339,6 +342,10 @@ struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *shost) fc_stats->loss_of_signal_count = -1; fc_stats->prim_seq_protocol_err_count = -1; fc_stats->dumped_frames = -1; + + /* update exches stats */ + fc_exch_update_stats(lport); + return fc_stats; } EXPORT_SYMBOL(fc_get_host_stats); diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index f257a74e6de4..399162b50a8d 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -1121,6 +1121,7 @@ void fc_fill_hdr(struct fc_frame *, const struct fc_frame *, * EXCHANGE MANAGER LAYER *****************************/ int fc_exch_init(struct fc_lport *); +void fc_exch_update_stats(struct fc_lport *lport); struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *, struct fc_exch_mgr *, bool (*match)(struct fc_frame *)); |