diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 33582d48ec09..4af5c069635a 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -6979,6 +6979,42 @@ lpfc_reset_stats(struct Scsi_Host *shost) return; } +/** + * lpfc_get_enc_info - Return encryption information about the session for + * a given remote port. + * @rport: ptr to fc_rport from scsi transport fc + * + * Given an rport object, iterate through the fc_nodes list to find node + * corresponding with rport. Pass the encryption information from the node to + * rport's encryption attribute for reporting to upper layers. Information is + * passed through nlp_enc_info struct which contains encryption status. + * + * Returns: + * - Address of rport's fc_encryption_info struct + * - NULL when not found + **/ +static struct fc_encryption_info * +lpfc_get_enc_info(struct fc_rport *rport) +{ + struct Scsi_Host *shost = rport_to_shost(rport); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct fc_encryption_info *ef = NULL; + struct lpfc_nodelist *ndlp, *next_ndlp; + unsigned long iflags; + + spin_lock_irqsave(&vport->fc_nodes_list_lock, iflags); + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (ndlp->rport && ndlp->rport == rport) { + ef = &rport->enc_info; + ef->status = ndlp->nlp_enc_info.status; + break; + } + } + spin_unlock_irqrestore(&vport->fc_nodes_list_lock, iflags); + return ef; +} + + /* * The LPFC driver treats linkdown handling as target loss events so there * are no sysfs handlers for link_down_tmo. @@ -7196,6 +7232,8 @@ struct fc_function_template lpfc_transport_functions = { .get_fc_host_stats = lpfc_get_stats, .reset_fc_host_stats = lpfc_reset_stats, + .get_fc_rport_enc_info = lpfc_get_enc_info, + .dd_fcrport_size = sizeof(struct lpfc_rport_data), .show_rport_maxframe_size = 1, .show_rport_supported_classes = 1, @@ -7265,6 +7303,8 @@ struct fc_function_template lpfc_vport_transport_functions = { .get_fc_host_stats = lpfc_get_stats, .reset_fc_host_stats = lpfc_reset_stats, + .get_fc_rport_enc_info = lpfc_get_enc_info, + .dd_fcrport_size = sizeof(struct lpfc_rport_data), .show_rport_maxframe_size = 1, .show_rport_supported_classes = 1, |