diff options
| author | Joe Eykholt <jeykholt@cisco.com> | 2011-01-29 01:04:23 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2011-02-12 18:02:22 +0100 |
| commit | 925cedae2b223d44d59a02df1b35902fc8bdd6d2 (patch) | |
| tree | 4fe2398d8761fd967a3ade45265ac6ce46319e9e /drivers/scsi/libfc | |
| parent | [SCSI] libfc: add hook to notify providers of local port changes (diff) | |
| download | linux-925cedae2b223d44d59a02df1b35902fc8bdd6d2.tar.xz linux-925cedae2b223d44d59a02df1b35902fc8bdd6d2.zip | |
[SCSI] libfc: use PRLI hook to get parameters when sending outgoing PRLI
When sending an outgoing PRLI as an initiator, get the parameters
from registered providers so that they all get a chance to decide
on roles.
The passive provider is called last, and could override the
initiator role.
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>
Diffstat (limited to 'drivers/scsi/libfc')
| -rw-r--r-- | drivers/scsi/libfc/fc_rport.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index a92954c1f42f..9ded6123ff6d 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -961,6 +961,8 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, struct fc_els_prli prli; struct fc_els_spp spp; } *pp; + struct fc_els_spp temp_spp; + struct fc4_prov *prov; u32 roles = FC_RPORT_ROLE_UNKNOWN; u32 fcp_parm = 0; u8 op; @@ -1009,6 +1011,13 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, if (fcp_parm & FCP_SPPF_RETRY) rdata->flags |= FC_RP_FLAGS_RETRY; + prov = fc_passive_prov[FC_TYPE_FCP]; + if (prov) { + memset(&temp_spp, 0, sizeof(temp_spp)); + prov->prli(rdata, pp->prli.prli_spp_len, + &pp->spp, &temp_spp); + } + rdata->supported_classes = FC_COS_CLASS3; if (fcp_parm & FCP_SPPF_INIT_FCN) roles |= FC_RPORT_ROLE_FCP_INITIATOR; @@ -1045,6 +1054,7 @@ static void fc_rport_enter_prli(struct fc_rport_priv *rdata) struct fc_els_spp spp; } *pp; struct fc_frame *fp; + struct fc4_prov *prov; /* * If the rport is one of the well known addresses @@ -1066,9 +1076,20 @@ static void fc_rport_enter_prli(struct fc_rport_priv *rdata) return; } - if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_PRLI, - fc_rport_prli_resp, rdata, - 2 * lport->r_a_tov)) + fc_prli_fill(lport, fp); + + prov = fc_passive_prov[FC_TYPE_FCP]; + if (prov) { + pp = fc_frame_payload_get(fp, sizeof(*pp)); + prov->prli(rdata, sizeof(pp->spp), NULL, &pp->spp); + } + + fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, rdata->ids.port_id, + fc_host_port_id(lport->host), FC_TYPE_ELS, + FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); + + if (!lport->tt.exch_seq_send(lport, fp, fc_rport_prli_resp, + NULL, rdata, 2 * lport->r_a_tov)) fc_rport_error_retry(rdata, NULL); else kref_get(&rdata->kref); |