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authorKrishna Gudipati <kgudipat@brocade.com>2011-06-14 02:53:04 +0400
committerJames Bottomley <JBottomley@Parallels.com>2011-06-30 00:52:21 +0400
commitbe540a991e2097c313d7304e0daaf89d68011bb9 (patch)
treea44685889c9989546ffac1ee7ad1da7dd641c20c /drivers/scsi/bfa/bfa_defs_svc.h
parent8b070b4a022f86dd5098308e36426ce29b6b8960 (diff)
downloadlinux-be540a991e2097c313d7304e0daaf89d68011bb9.tar.xz
[SCSI] bfa: FC credit recovery and misc bug fixes.
- Introduce FC credit recovery. - Added module parameter to enable/disable credit recovery. Bug Fixes: - Removed check for ignoring plogi from initiator in switched fabric mode. - The ABTS for PLOGI is going out few millisecs earlier due to FW timer calibration (around 300 miilisecs earlier). So there is a window if an accept comes during this time HBA would have initiated an ABORT. - Added 1 to FC_ELS_TOV for compensating for FW timer. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_defs_svc.h')
-rw-r--r--drivers/scsi/bfa/bfa_defs_svc.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h
index bcc919c4a503..6934b2d8d857 100644
--- a/drivers/scsi/bfa/bfa_defs_svc.h
+++ b/drivers/scsi/bfa/bfa_defs_svc.h
@@ -746,6 +746,8 @@ struct bfa_port_cfg_s {
u8 tx_bbcredit; /* transmit buffer credits */
u8 ratelimit; /* ratelimit enabled or not */
u8 trl_def_speed; /* ratelimit default speed */
+ u8 bb_scn;
+ u8 rsvd[3];
u16 path_tov; /* device path timeout */
u16 q_depth; /* SCSI Queue depth */
};
@@ -782,6 +784,7 @@ struct bfa_port_attr_s {
bfa_boolean_t beacon; /* current beacon status */
bfa_boolean_t link_e2e_beacon; /* link beacon is on */
bfa_boolean_t plog_enabled; /* portlog is enabled */
+ bfa_boolean_t bbsc_op_status; /* fc credit recovery oper state */
/*
* Dynamic field - info from FCS
@@ -1018,6 +1021,9 @@ struct bfa_port_fc_stats_s {
u64 bad_os_count; /* Invalid ordered sets */
u64 err_enc_out; /* Encoding err nonframe_8b10b */
u64 err_enc; /* Encoding err frame_8b10b */
+ u64 bbsc_frames_lost; /* Credit Recovery-Frames Lost */
+ u64 bbsc_credits_lost; /* Credit Recovery-Credits Lost */
+ u64 bbsc_link_resets; /* Credit Recovery-Link Resets */
};
/*