This patch adds support to recognize FPIN ELS's that are received.
When one is received, the fc transport will be called to handle the
the FPIN.
Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_els.c | 8 ++++++++
drivers/scsi/lpfc/lpfc_hw.h | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 61348915c942..c8fb0b455f2a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -8450,6 +8450,14 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
rjt_err = LSRJT_UNABLE_TPC;
rjt_exp = LSEXP_INVALID_OX_RX;
break;
+ case ELS_CMD_FPIN:
+ /*
+ * Received FPIN from fabric - pass it to the
+ * transport FPIN handler.
+ */
+ fc_host_fpin_rcv(shost, elsiocb->iocb.unsli3.rcvsli3.acc_len,
+ (char *)payload);
+ break;
default:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV ELS cmd: cmd:x%x did:x%x/ste:x%x",
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index ec1227018913..edd8f3982023 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -560,6 +560,8 @@ struct fc_vft_header {
#define fc_vft_hdr_hopct_WORD word1
};
+#include <uapi/scsi/fc/fc_els.h>
+
/*
* Extended Link Service LS_COMMAND codes (Payload Word 0)
*/
@@ -603,6 +605,7 @@ struct fc_vft_header {
#define ELS_CMD_RNID 0x78000000
#define ELS_CMD_LIRR 0x7A000000
#define ELS_CMD_LCB 0x81000000
+#define ELS_CMD_FPIN 0x16000000
#else /* __LITTLE_ENDIAN_BITFIELD */
#define ELS_CMD_MASK 0xffff
#define ELS_RSP_MASK 0xff
@@ -643,6 +646,7 @@ struct fc_vft_header {
#define ELS_CMD_RNID 0x78
#define ELS_CMD_LIRR 0x7A
#define ELS_CMD_LCB 0x81
+#define ELS_CMD_FPIN ELS_FPIN
#endif
/*
--
2.13.7
