Commit 441f6b5b authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

scsi: lpfc: Extend the RDF FPIN Registration descriptor for additional events 

Currently the driver registers for Link Integrity events only.

This patch adds registration for the following FPIN types:

 - Delivery Notifications
 - Congestion Notification
 - Peer Congestion Notification

Link: https://lore.kernel.org/r/20200828175332.130300-4-james.smart@broadcom.com


Co-developed-by: default avatarDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: default avatarDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 7b08e89f

drivers/scsi/lpfc/lpfc_els.c

+3 −0
Original line number Diff line number Diff line
@@ -3517,6 +3517,9 @@ lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry) 
				FC_TLV_DESC_LENGTH_FROM_SZ(prdf->reg_d1));

	prdf->reg_d1.reg_desc.count = cpu_to_be32(ELS_RDF_REG_TAG_CNT);

	prdf->reg_d1.desc_tags[0] = cpu_to_be32(ELS_DTAG_LNK_INTEGRITY);

	prdf->reg_d1.desc_tags[1] = cpu_to_be32(ELS_DTAG_DELIVERY);

	prdf->reg_d1.desc_tags[2] = cpu_to_be32(ELS_DTAG_PEER_CONGEST);

	prdf->reg_d1.desc_tags[3] = cpu_to_be32(ELS_DTAG_CONGESTION);



	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,

			      "Issue RDF:       did:x%x",

drivers/scsi/lpfc/lpfc_hw4.h

+1 −1
Original line number Diff line number Diff line
@@ -4800,7 +4800,7 @@ struct send_frame_wqe { 
	uint32_t fc_hdr_wd5;           /* word 15 */

};



#define ELS_RDF_REG_TAG_CNT		1

#define ELS_RDF_REG_TAG_CNT		4

struct lpfc_els_rdf_reg_desc {

	struct fc_df_desc_fpin_reg	reg_desc;	/* descriptor header */

	__be32				desc_tags[ELS_RDF_REG_TAG_CNT];