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authorKrishna Gudipati <kgudipat@brocade.com>2011-06-13 15:53:04 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-06-29 15:52:21 -0500
commitbe540a991e2097c313d7304e0daaf89d68011bb9 (patch)
treea44685889c9989546ffac1ee7ad1da7dd641c20c /drivers/scsi/bfa/bfa_svc.c
parent8b070b4a022f86dd5098308e36426ce29b6b8960 (diff)
[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_svc.c')
-rw-r--r--drivers/scsi/bfa/bfa_svc.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
index 46e8cdd31db..5373e5ddd4a 100644
--- a/drivers/scsi/bfa/bfa_svc.c
+++ b/drivers/scsi/bfa/bfa_svc.c
@@ -1257,6 +1257,7 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
case BFA_LPS_SM_OFFLINE:
+ case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
@@ -1285,6 +1286,7 @@ bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
case BFA_LPS_SM_OFFLINE:
+ case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
@@ -1409,6 +1411,7 @@ bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
case BFA_LPS_SM_OFFLINE:
+ case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
@@ -1433,6 +1436,7 @@ bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
break;
case BFA_LPS_SM_OFFLINE:
+ case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
@@ -1551,6 +1555,7 @@ bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
lps->lp_mac = rsp->lp_mac;
lps->brcd_switch = rsp->brcd_switch;
lps->fcf_mac = rsp->fcf_mac;
+ lps->pr_bbscn = rsp->bb_scn;
break;
@@ -1647,6 +1652,7 @@ bfa_lps_send_login(struct bfa_lps_s *lps)
m->nwwn = lps->nwwn;
m->fdisc = lps->fdisc;
m->auth_en = lps->auth_en;
+ m->bb_scn = lps->bb_scn;
bfa_reqq_produce(lps->bfa, lps->reqq);
}
@@ -1838,7 +1844,7 @@ bfa_lps_delete(struct bfa_lps_s *lps)
*/
void
bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
- wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en)
+ wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en, uint8_t bb_scn)
{
lps->uarg = uarg;
lps->alpa = alpa;
@@ -1847,6 +1853,7 @@ bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
lps->nwwn = nwwn;
lps->fdisc = BFA_FALSE;
lps->auth_en = auth_en;
+ lps->bb_scn = bb_scn;
bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
}
@@ -2900,6 +2907,7 @@ bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
{
fcport->speed = BFA_PORT_SPEED_UNKNOWN;
fcport->topology = BFA_PORT_TOPOLOGY_NONE;
+ fcport->bbsc_op_state = BFA_FALSE;
}
/*
@@ -3010,6 +3018,7 @@ bfa_fcport_send_txcredit(void *port_cbarg)
bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ,
bfa_lpuid(fcport->bfa));
m->tx_bbcredit = cpu_to_be16((u16)fcport->cfg.tx_bbcredit);
+ m->bb_scn = fcport->cfg.bb_scn;
/*
* queue I/O message to firmware
@@ -3626,11 +3635,14 @@ bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
}
void
-bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
+bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
+ fcport->cfg.bb_scn = bb_scn;
+ if (bb_scn)
+ fcport->bbsc_op_state = BFA_TRUE;
bfa_fcport_send_txcredit(fcport);
}
@@ -3683,6 +3695,7 @@ bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
+ attr->bbsc_op_status = fcport->bbsc_op_state;
/* PBC Disabled State */
if (bfa_fcport_is_pbcdisabled(bfa))
@@ -3805,6 +3818,14 @@ bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
return fcport->cfg.qos_enabled;
}
+bfa_boolean_t
+bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
+{
+ struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+ return fcport->cfg.trunked;
+}
+
/*
* Rport State machine functions
*/