scsi: lpfc: Support duration field in Link Cable Beacon V1 command

Current implementation missed setting the duration field. Correct the code
to set the field.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

5 files changed, 104 insertions, 28 deletions

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 6d84a10fef07..4683154842f5 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -5640,8 +5640,9 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 				" mbx status x%x\n",
 				shdr_status, shdr_add_status, mb->mbxStatus);
 
-	if (mb->mbxStatus && !(shdr_status &&
-		shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE)) {
+	if ((mb->mbxStatus != MBX_SUCCESS) || shdr_status ||
+	    (shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE) ||
+	    (shdr_add_status == ADD_STATUS_INVALID_REQUEST)) {
 		mempool_free(pmb, phba->mbox_mem_pool);
 		goto error;
 	}
@@ -5670,6 +5671,7 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	lcb_res->lcb_sub_command = lcb_context->sub_command;
 	lcb_res->lcb_type = lcb_context->type;
 	lcb_res->lcb_frequency = lcb_context->frequency;
+	lcb_res->lcb_duration = lcb_context->duration;
 	elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
 	phba->fc_stat.elsXmitACC++;
 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
@@ -5712,6 +5714,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
 		     uint32_t beacon_state)
 {
 	struct lpfc_hba *phba = vport->phba;
+	union lpfc_sli4_cfg_shdr *cfg_shdr;
 	LPFC_MBOXQ_t *mbox = NULL;
 	uint32_t len;
 	int rc;
@@ -5720,6 +5723,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
 	if (!mbox)
 		return 1;
 
+	cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
 	len = sizeof(struct lpfc_mbx_set_beacon_config) -
 		sizeof(struct lpfc_sli4_cfg_mhdr);
 	lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
@@ -5732,8 +5736,40 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
 	       phba->sli4_hba.physical_port);
 	bf_set(lpfc_mbx_set_beacon_state, &mbox->u.mqe.un.beacon_config,
 	       beacon_state);
-	bf_set(lpfc_mbx_set_beacon_port_type, &mbox->u.mqe.un.beacon_config, 1);
-	bf_set(lpfc_mbx_set_beacon_duration, &mbox->u.mqe.un.beacon_config, 0);
+	mbox->u.mqe.un.beacon_config.word5 = 0;		/* Reserved */
+
+	/*
+	 *	Check bv1s bit before issuing the mailbox
+	 *	if bv1s == 1, LCB V1 supported
+	 *	else, LCB V0 supported
+	 */
+
+	if (phba->sli4_hba.pc_sli4_params.bv1s) {
+		/* COMMON_SET_BEACON_CONFIG_V1 */
+		cfg_shdr->request.word9 = BEACON_VERSION_V1;
+		lcb_context->capability |= LCB_CAPABILITY_DURATION;
+		bf_set(lpfc_mbx_set_beacon_port_type,
+		       &mbox->u.mqe.un.beacon_config, 0);
+		bf_set(lpfc_mbx_set_beacon_duration_v1,
+		       &mbox->u.mqe.un.beacon_config,
+		       be16_to_cpu(lcb_context->duration));
+	} else {
+		/* COMMON_SET_BEACON_CONFIG_V0 */
+		if (be16_to_cpu(lcb_context->duration) != 0) {
+			mempool_free(mbox, phba->mbox_mem_pool);
+			return 1;
+		}
+		cfg_shdr->request.word9 = BEACON_VERSION_V0;
+		lcb_context->capability &=  ~(LCB_CAPABILITY_DURATION);
+		bf_set(lpfc_mbx_set_beacon_state,
+		       &mbox->u.mqe.un.beacon_config, beacon_state);
+		bf_set(lpfc_mbx_set_beacon_port_type,
+		       &mbox->u.mqe.un.beacon_config, 1);
+		bf_set(lpfc_mbx_set_beacon_duration,
+		       &mbox->u.mqe.un.beacon_config,
+		       be16_to_cpu(lcb_context->duration));
+	}
+
 	rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
 	if (rc == MBX_NOT_FINISHED) {
 		mempool_free(mbox, phba->mbox_mem_pool);
@@ -5784,24 +5820,16 @@ lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 			beacon->lcb_frequency,
 			be16_to_cpu(beacon->lcb_duration));
 
-	if (phba->sli_rev < LPFC_SLI_REV4 ||
-	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
-	    LPFC_SLI_INTF_IF_TYPE_2)) {
-		rjt_err = LSRJT_CMD_UNSUPPORTED;
-		goto rjt;
-	}
-
-	if (phba->hba_flag & HBA_FCOE_MODE) {
-		rjt_err = LSRJT_CMD_UNSUPPORTED;
-		goto rjt;
-	}
 	if (beacon->lcb_sub_command != LPFC_LCB_ON &&
 	    beacon->lcb_sub_command != LPFC_LCB_OFF) {
 		rjt_err = LSRJT_CMD_UNSUPPORTED;
 		goto rjt;
 	}
-	if (beacon->lcb_sub_command == LPFC_LCB_ON &&
-	    be16_to_cpu(beacon->lcb_duration) != 0) {
+
+	if (phba->sli_rev < LPFC_SLI_REV4  ||
+	    phba->hba_flag & HBA_FCOE_MODE ||
+	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
+	    LPFC_SLI_INTF_IF_TYPE_2)) {
 		rjt_err = LSRJT_CMD_UNSUPPORTED;
 		goto rjt;
 	}
@@ -5814,8 +5842,10 @@ lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 
 	state = (beacon->lcb_sub_command == LPFC_LCB_ON) ? 1 : 0;
 	lcb_context->sub_command = beacon->lcb_sub_command;
+	lcb_context->capability	= 0;
 	lcb_context->type = beacon->lcb_type;
 	lcb_context->frequency = beacon->lcb_frequency;
+	lcb_context->duration = beacon->lcb_duration;
 	lcb_context->ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id;
 	lcb_context->rx_id = cmdiocb->iocb.ulpContext;
 	lcb_context->ndlp = lpfc_nlp_get(ndlp);
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 08a3f1520159..f6dcabe27ca1 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1065,14 +1065,17 @@ typedef struct _ELS_PKT {	/* Structure is in Big Endian format */
 struct fc_lcb_request_frame {
 	uint32_t      lcb_command;      /* ELS command opcode (0x81)     */
 	uint8_t       lcb_sub_command;/* LCB Payload Word 1, bit 24:31 */
-#define LPFC_LCB_ON    0x1
-#define LPFC_LCB_OFF   0x2
-	uint8_t       reserved[3];
-
+#define LPFC_LCB_ON		0x1
+#define LPFC_LCB_OFF		0x2
+	uint8_t       reserved[2];
+	uint8_t	      capability;	/* LCB Payload Word 1, bit 0:7 */
 	uint8_t       lcb_type; /* LCB Payload Word 2, bit 24:31 */
-#define LPFC_LCB_GREEN 0x1
-#define LPFC_LCB_AMBER 0x2
+#define LPFC_LCB_GREEN		0x1
+#define LPFC_LCB_AMBER		0x2
 	uint8_t       lcb_frequency;    /* LCB Payload Word 2, bit 16:23 */
+#define LCB_CAPABILITY_DURATION	1
+#define BEACON_VERSION_V1	1
+#define BEACON_VERSION_V0	0
 	uint16_t      lcb_duration;     /* LCB Payload Word 2, bit 15:0  */
 };
 
@@ -1082,7 +1085,8 @@ struct fc_lcb_request_frame {
 struct fc_lcb_res_frame {
 	uint32_t      lcb_ls_acc;       /* Acceptance of LCB request (0x02) */
 	uint8_t       lcb_sub_command;/* LCB Payload Word 1, bit 24:31 */
-	uint8_t       reserved[3];
+	uint8_t       reserved[2];
+	uint8_t	      capability;	/* LCB Payload Word 1, bit 0:7 */
 	uint8_t       lcb_type; /* LCB Payload Word 2, bit 24:31 */
 	uint8_t       lcb_frequency;    /* LCB Payload Word 2, bit 16:23 */
 	uint16_t      lcb_duration;     /* LCB Payload Word 2, bit 15:0  */
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index f43f0bacb77a..083f8c8706e5 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -1790,9 +1790,12 @@ struct lpfc_mbx_set_beacon_config {
 #define lpfc_mbx_set_beacon_duration_SHIFT		16
 #define lpfc_mbx_set_beacon_duration_MASK		0x000000FF
 #define lpfc_mbx_set_beacon_duration_WORD		word4
-#define lpfc_mbx_set_beacon_status_duration_SHIFT	24
-#define lpfc_mbx_set_beacon_status_duration_MASK	0x000000FF
-#define lpfc_mbx_set_beacon_status_duration_WORD	word4
+
+/* COMMON_SET_BEACON_CONFIG_V1 */
+#define lpfc_mbx_set_beacon_duration_v1_SHIFT		16
+#define lpfc_mbx_set_beacon_duration_v1_MASK		0x0000FFFF
+#define lpfc_mbx_set_beacon_duration_v1_WORD		word4
+	uint32_t word5;  /* RESERVED  */
 };
 
 struct lpfc_id_range {
@@ -2243,6 +2246,7 @@ struct lpfc_mbx_redisc_fcf_tbl {
  */
 #define ADD_STATUS_OPERATION_ALREADY_ACTIVE		0x67
 #define ADD_STATUS_FW_NOT_SUPPORTED			0xEB
+#define ADD_STATUS_INVALID_REQUEST			0x4B
 
 struct lpfc_mbx_sli4_config {
 	struct mbox_header header;
@@ -3392,7 +3396,41 @@ struct lpfc_sli4_parameters {
 #define cfg_nosr_SHIFT				9
 #define cfg_nosr_MASK				0x00000001
 #define cfg_nosr_WORD				word19
-#define LPFC_NODELAY_MAX_IO		32
+
+#define cfg_bv1s_SHIFT                          10
+#define cfg_bv1s_MASK                           0x00000001
+#define cfg_bv1s_WORD                           word19
+
+	uint32_t word20;
+#define cfg_max_tow_xri_SHIFT			0
+#define cfg_max_tow_xri_MASK			0x0000ffff
+#define cfg_max_tow_xri_WORD			word20
+
+	uint32_t word21;                        /* RESERVED */
+	uint32_t word22;                        /* RESERVED */
+	uint32_t word23;                        /* RESERVED */
+
+	uint32_t word24;
+#define cfg_frag_field_offset_SHIFT		0
+#define cfg_frag_field_offset_MASK		0x0000ffff
+#define cfg_frag_field_offset_WORD		word24
+
+#define cfg_frag_field_size_SHIFT		16
+#define cfg_frag_field_size_MASK		0x0000ffff
+#define cfg_frag_field_size_WORD		word24
+
+	uint32_t word25;
+#define cfg_sgl_field_offset_SHIFT		0
+#define cfg_sgl_field_offset_MASK		0x0000ffff
+#define cfg_sgl_field_offset_WORD		word25
+
+#define cfg_sgl_field_size_SHIFT		16
+#define cfg_sgl_field_size_MASK			0x0000ffff
+#define cfg_sgl_field_size_WORD			word25
+
+	uint32_t word26;	/* Chain SGE initial value LOW  */
+	uint32_t word27;	/* Chain SGE initial value HIGH */
+#define LPFC_NODELAY_MAX_IO			32
 };
 
 #define LPFC_SET_UE_RECOVERY		0x10
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f2f3b27d0b84..f3cae733ae2d 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -10644,6 +10644,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	sli4_params->eqav = bf_get(cfg_eqav, mbx_sli4_parameters);
 	sli4_params->cqav = bf_get(cfg_cqav, mbx_sli4_parameters);
 	sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
+	sli4_params->bv1s = bf_get(cfg_bv1s, mbx_sli4_parameters);
 	sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
 					    mbx_sli4_parameters);
 	sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters);
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index cf64aca82bd0..ada68de970b3 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -490,6 +490,7 @@ struct lpfc_pc_sli4_params {
 	uint8_t eqav;
 	uint8_t cqav;
 	uint8_t wqsize;
+	uint8_t bv1s;
 #define LPFC_WQ_SZ64_SUPPORT	1
 #define LPFC_WQ_SZ128_SUPPORT	2
 	uint8_t wqpcnt;
@@ -774,7 +775,9 @@ struct lpfc_rdp_context {
 struct lpfc_lcb_context {
 	uint8_t  sub_command;
 	uint8_t  type;
+	uint8_t  capability;
 	uint8_t  frequency;
+	uint16_t  duration;
 	uint16_t ox_id;
 	uint16_t rx_id;
 	struct lpfc_nodelist *ndlp;