diff options
| author | Chris Leech <christopher.leech@intel.com> | 2009-11-03 11:46:29 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-12-04 12:00:58 -0600 |
| commit | 11b561886643d4e23d0fd58c205d830a448dd0a2 (patch) | |
| tree | 3d28650e6727589dd672ea3985d2aa2643a99549 /drivers/scsi/libfc/fc_lport.c | |
| parent | db36c06cc6802d03bcba08982377f7c03a3cda7f (diff) | |
[SCSI] libfcoe, fcoe: libfcoe NPIV support
The FIP code in libfcoe needed several changes to support NPIV
1) dst_src_addr needs to be managed per-n_port-ID for FPMA fabrics with NPIV
enabled. Managing the MAC address is now handled in fcoe, with some slight
changes to update_mac() and a new get_src_addr() function pointer.
2) The libfc elsct_send() hook is used to setup FCoE specific response
handlers for FIP encapsulated ELS exchanges. This lets the FCoE specific
handling know which VN_Port the exchange is for, and doesn't require
tracking OX_IDs. It might be possible to roll back to the full FIP frame
in these, but for now I've just stashed the contents of the MAC address
descriptor in the skb context block for later use. Also, because
fcoe_elsct_send() just passes control on to fc_elsct_send(), all transmits
still come through the normal frame_send() path.
3) The NPIV changes added a mutex hold in the keep alive sending, the lport
mutex is protecting the vport list. We can't take a mutex from a timer,
so move the FIP keep alive logic to the link work struct.
Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/libfc/fc_lport.c')
| -rw-r--r-- | drivers/scsi/libfc/fc_lport.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index ccba67ca68a..807f5b3e4ef 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -1320,7 +1320,7 @@ static void fc_lport_timeout(struct work_struct *work) * held, but it will lock, call an _enter_* function or fc_lport_error * and then unlock the lport. */ -static void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, +void fc_lport_logo_resp(struct fc_seq *sp, struct fc_frame *fp, void *lp_arg) { struct fc_lport *lport = lp_arg; @@ -1357,6 +1357,7 @@ out: err: mutex_unlock(&lport->lp_mutex); } +EXPORT_SYMBOL(fc_lport_logo_resp); /** * fc_rport_enter_logo() - Logout of the fabric @@ -1397,7 +1398,7 @@ static void fc_lport_enter_logo(struct fc_lport *lport) * held, but it will lock, call an _enter_* function or fc_lport_error * and then unlock the lport. */ -static void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, +void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, void *lp_arg) { struct fc_lport *lport = lp_arg; @@ -1480,6 +1481,7 @@ out: err: mutex_unlock(&lport->lp_mutex); } +EXPORT_SYMBOL(fc_lport_flogi_resp); /** * fc_rport_enter_flogi() - Send a FLOGI request to the fabric manager |