-
- /*
- * Switch ports that connect a loop of multiple targets need
- * special consideration. The driver wants to unregister the
- * rpi only on the target that was pulled from the loop. On
- * RSCN, the driver wants to rediscover an NPort only if the
- * driver flagged it as NLP_NPR_2B_DISC. Provided adisc is
- * not enabled and the NPort is not capable of retransmissions
- * (FC Tape) prevent timing races with the scsi error handler by
- * unregistering the Nport's RPI. This action causes all
- * outstanding IO to flush back to the midlayer.
- */
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
- nlp_listp) {
- if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
- (lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) {
- if ((phba->cfg_use_adisc == 0) &&
- !(ndlp->nlp_fcp_info &
- NLP_FCP_2_DEVICE)) {
- lpfc_unreg_rpi(phba, ndlp);
- ndlp->nlp_flag &= ~NLP_NPR_ADISC;
- }
- }
- }