On some switches, an empty zone causes GPN_FT to be rejected with reason 9 (unable) explanation 7 (FC-4 types not registered), which causes discovery to be retried endlessly. Treat this as just an empty response and consider discovery complete.
Signed-off-by: Joe Eykholt <[email protected]> --- drivers/scsi/libfc/fc_disc.c | 3 +++ include/scsi/fc/fc_gs.h | 1 + 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 36e7ba8..ef41e96 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -616,6 +616,9 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, "(check zoning)\n", cp->ct_reason, cp->ct_explan); event = DISC_EV_FAILED; + if (cp->ct_reason == FC_FS_RJT_UNABL && + cp->ct_explan == FC_FS_EXP_FTNR) + event = DISC_EV_SUCCESS; } else { FC_DISC_DBG(disc, "GPN_FT unexpected response code " "%x\n", ntohs(cp->ct_cmd)); diff --git a/include/scsi/fc/fc_gs.h b/include/scsi/fc/fc_gs.h index ffab027..324dd0e 100644 --- a/include/scsi/fc/fc_gs.h +++ b/include/scsi/fc/fc_gs.h @@ -87,6 +87,7 @@ enum fc_ct_explan { FC_FS_EXP_PNAM = 0x02, /* port name not registered */ FC_FS_EXP_NNAM = 0x03, /* node name not registered */ FC_FS_EXP_COS = 0x04, /* class of service not registered */ + FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */ /* definitions not complete */ }; _______________________________________________ devel mailing list [email protected] http://www.open-fcoe.org/mailman/listinfo/devel
