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[SCSI] libfc: add FLOGI state to rport for VN2VN

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The FIP proposal for VN_port to VN_port point-to-multipoint
operation requires a FLOGI be sent to each remote port.
The FLOGI is sent with the assigned S_ID and D_IDs of the
local and remote ports.  This and the response get
FIP-encapsulated for Ethernet.

Add FLOGI state to the remote port state machine.
This will be skipped if not in point-to-multipoint mode.

To reduce a little duplication between PLOGI and FLOGI
response handling, added fc_rport_login_complete(), which
handles the parameters for the rdata struct.

Signed-off-by: Joe Eykholt <[email protected]>
Signed-off-by: Robert Love <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
Joe Eykholt 2010-07-20 15:20:08 -07:00 • committed by James Bottomley
commit a7b12a279f
4 changed files with 286 additions and 14 deletions
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2
include/scsi/fc/fc_els.h
View file

@ -191,6 +191,7 @@ enum fc_els_rjt_reason {
ELS_RJT_UNAB = 0x09, /* unable to perform command request */
ELS_RJT_UNSUP = 0x0b, /* command not supported */
ELS_RJT_INPROG = 0x0e, /* command already in progress */
ELS_RJT_FIP = 0x20, /* FIP error */
ELS_RJT_VENDOR = 0xff, /* vendor specific error */
};
@ -212,6 +213,7 @@ enum fc_els_rjt_explan {
ELS_EXPL_UNAB_DATA = 0x2a, /* unable to supply requested data */
ELS_EXPL_UNSUPR = 0x2c, /* Request not supported */
ELS_EXPL_INV_LEN = 0x2d, /* Invalid payload length */
ELS_EXPL_NOT_NEIGHBOR = 0x62, /* VN2VN_Port not in neighbor set */
/* TBD - above definitions incomplete */
};

4
include/scsi/libfc.h
View file

@ -97,6 +97,8 @@ enum fc_disc_event {
/**
* enum fc_rport_state - Remote port states
* @RPORT_ST_INIT: Initialized
* @RPORT_ST_FLOGI: Waiting for FLOGI completion for point-to-multipoint
* @RPORT_ST_PLOGI_WAIT: Waiting for peer to login for point-to-multipoint
* @RPORT_ST_PLOGI: Waiting for PLOGI completion
* @RPORT_ST_PRLI: Waiting for PRLI completion
* @RPORT_ST_RTV: Waiting for RTV completion
@ -107,6 +109,8 @@ enum fc_disc_event {
*/
enum fc_rport_state {
RPORT_ST_INIT,
RPORT_ST_FLOGI,
RPORT_ST_PLOGI_WAIT,
RPORT_ST_PLOGI,
RPORT_ST_PRLI,
RPORT_ST_RTV,