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[SCSI] libfcoe: Allow FIP to be disabled by the driver 

Allow FIP to be disabled by the driver for devices
that want to use libfcoe in non-FIP mode.

The driver merely sets the fcoe_ctlr mode to the state which
should be entered when the link comes up.  The default is auto.
No change is needed for fcoe.c which uses auto mode.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt 2009-11-03 11:48:11 -08:00 committed by James Bottomley
parent 84c3e1ad08
commit 22bcd225bf
2 changed files with 6 additions and 2 deletions
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6
drivers/scsi/fcoe/libfcoe.c
View File

@ -109,6 +109,7 @@ static inline int fcoe_ctlr_fcf_usable(struct fcoe_fcf *fcf)
void fcoe_ctlr_init(struct fcoe_ctlr *fip)
{
fip->state = FIP_ST_LINK_WAIT;
fip->mode = FIP_ST_AUTO;
INIT_LIST_HEAD(&fip->fcfs);
spin_lock_init(&fip->lock);
fip->flogi_oxid = FC_XID_UNKNOWN;
@ -261,11 +262,12 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip)
spin_unlock_bh(&fip->lock);
fc_linkup(fip->lp);
} else if (fip->state == FIP_ST_LINK_WAIT) {
fip->state = FIP_ST_AUTO;
fip->state = fip->mode;
fip->last_link = 1;
fip->link = 1;
spin_unlock_bh(&fip->lock);
LIBFCOE_FIP_DBG("%s", "setting AUTO mode.\n");
if (fip->state == FIP_ST_AUTO)
LIBFCOE_FIP_DBG("%s", "setting AUTO mode.\n");
fc_linkup(fip->lp);
fcoe_ctlr_solicit(fip, NULL);
} else

2
include/scsi/libfcoe.h
View File

@ -55,6 +55,7 @@ enum fip_state {
/**
* struct fcoe_ctlr - FCoE Controller and FIP state
* @state: internal FIP state for network link and FIP or non-FIP mode.
* @mode: LLD-selected mode.
* @lp: &fc_lport: libfc local port.
* @sel_fcf: currently selected FCF, or NULL.
* @fcfs: list of discovered FCFs.
@ -89,6 +90,7 @@ enum fip_state {
*/
struct fcoe_ctlr {
enum fip_state state;
enum fip_state mode;
struct fc_lport *lp;
struct fcoe_fcf *sel_fcf;
struct list_head fcfs;