Commit 048084c2 authored by Jitendra Bhivare's avatar Jitendra Bhivare Committed by Martin K. Petersen
Browse files

be2iscsi: Fix to process 25G link speed info from FW 



Async link event provides port_speed info. Cache the port_speed info
and use the same to report in ISCSI_HOST_PARAM_PORT_SPEED query.

Removed link status query IOCTL used to do the same.

Signed-off-by: default avatarJitendra Bhivare <jitendra.bhivare@avagotech.com>
Reviewed-by: default avatarHannes Reinicke <hare@suse.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent f9e4fa46

drivers/scsi/be2iscsi/be_cmds.c

+1 −0
Original line number Diff line number Diff line
@@ -408,6 +408,7 @@ void beiscsi_fail_session(struct iscsi_cls_session *cls_session) 
static void beiscsi_async_link_state_process(struct beiscsi_hba *phba,

		struct be_async_event_link_state *evt)

{

	phba->port_speed = evt->port_speed;

	if ((evt->port_link_status == ASYNC_EVENT_LINK_DOWN) ||

	    ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&

	     (evt->port_fault != BEISCSI_PHY_LINK_FAULT_NONE))) {

drivers/scsi/be2iscsi/be_cmds.h

+10 −25
Original line number Diff line number Diff line
@@ -153,12 +153,21 @@ struct be_async_event_link_state { 
	u8 physical_port;

	u8 port_link_status;

	u8 port_duplex;

/* BE2ISCSI_LINK_SPEED_ZERO	0x00 - no link */

#define BE2ISCSI_LINK_SPEED_10MBPS	0x01

#define BE2ISCSI_LINK_SPEED_100MBPS	0x02

#define BE2ISCSI_LINK_SPEED_1GBPS	0x03

#define BE2ISCSI_LINK_SPEED_10GBPS	0x04

#define BE2ISCSI_LINK_SPEED_25GBPS	0x06

#define BE2ISCSI_LINK_SPEED_40GBPS	0x07

	u8 port_speed;

#define BEISCSI_PHY_LINK_FAULT_NONE	0x00

#define BEISCSI_PHY_LINK_FAULT_LOCAL	0x01

#define BEISCSI_PHY_LINK_FAULT_REMOTE	0x02

	u8 port_fault;

	u8 rsvd0[7];

	u8 event_reason;

	u16 qos_link_speed;

	u32 event_tag;

	struct be_async_event_trailer trailer;

} __packed;
@@ -711,29 +720,6 @@ struct be_cmd_hba_name { 
	u8 initiator_alias[BEISCSI_ALIAS_LEN];

} __packed;



struct be_cmd_ntwk_link_status_req {

	struct be_cmd_req_hdr hdr;

	u32 rsvd0;

} __packed;



/*** Port Speed Values ***/

#define BE2ISCSI_LINK_SPEED_ZERO	0x00

#define BE2ISCSI_LINK_SPEED_10MBPS	0x01

#define BE2ISCSI_LINK_SPEED_100MBPS	0x02

#define BE2ISCSI_LINK_SPEED_1GBPS	0x03

#define BE2ISCSI_LINK_SPEED_10GBPS	0x04

struct be_cmd_ntwk_link_status_resp {

	struct be_cmd_resp_hdr hdr;

	u8 phys_port;

	u8 mac_duplex;

	u8 mac_speed;

	u8 mac_fault;

	u8 mgmt_mac_duplex;

	u8 mgmt_mac_speed;

	u16 qos_link_speed;

	u32 logical_link_speed;

} __packed;



int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,

			  struct be_queue_info *eq, int eq_delay);
@@ -752,7 +738,6 @@ int be_poll_mcc(struct be_ctrl_info *ctrl); 
int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,

				      struct beiscsi_hba *phba);

unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);

unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);



void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);

drivers/scsi/be2iscsi/be_iscsi.c

+9 −30
Original line number Diff line number Diff line
@@ -766,34 +766,13 @@ static void beiscsi_get_port_state(struct Scsi_Host *shost) 
 * beiscsi_get_port_speed  - Get the Port Speed from Adapter

 * @shost : pointer to scsi_host structure

 *

 * returns Success/Failure

 */

static int beiscsi_get_port_speed(struct Scsi_Host *shost)

static void beiscsi_get_port_speed(struct Scsi_Host *shost)

{

	int rc;

	unsigned int tag;

	struct be_mcc_wrb *wrb;

	struct be_cmd_ntwk_link_status_resp *resp;

	struct beiscsi_hba *phba = iscsi_host_priv(shost);

	struct iscsi_cls_host *ihost = shost->shost_data;



	tag = be_cmd_get_port_speed(phba);

	if (!tag) {

		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,

			    "BS_%d : Getting Port Speed Failed\n");



		 return -EBUSY;

	}

	rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);

	if (rc) {

		beiscsi_log(phba, KERN_ERR,

			    BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,

			    "BS_%d : Port Speed MBX Failed\n");

		return rc;

	}

	resp = embedded_payload(wrb);



	switch (resp->mac_speed) {

	switch (phba->port_speed) {

	case BE2ISCSI_LINK_SPEED_10MBPS:

		ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;

		break;
@@ -806,10 +785,15 @@ static int beiscsi_get_port_speed(struct Scsi_Host *shost) 
	case BE2ISCSI_LINK_SPEED_10GBPS:

		ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;

		break;

	case BE2ISCSI_LINK_SPEED_25GBPS:

		ihost->port_speed = ISCSI_PORT_SPEED_25GBPS;

		break;

	case BE2ISCSI_LINK_SPEED_40GBPS:

		ihost->port_speed = ISCSI_PORT_SPEED_40GBPS;

		break;

	default:

		ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;

	}

	return 0;

}



/**
@@ -859,12 +843,7 @@ int beiscsi_get_host_param(struct Scsi_Host *shost, 
		status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));

		break;

	case ISCSI_HOST_PARAM_PORT_SPEED:

		status = beiscsi_get_port_speed(shost);

		if (status) {

			beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,

				    "BS_%d : Retreiving Port Speed Failed\n");

			return status;

		}

		beiscsi_get_port_speed(shost);

		status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));

		break;

	default:

drivers/scsi/be2iscsi/be_main.h

+1 −0
Original line number Diff line number Diff line
@@ -427,6 +427,7 @@ struct beiscsi_hba { 
	bool mac_addr_set;

	u8 mac_address[ETH_ALEN];

	u8 port_name;

	u8 port_speed;

	char fw_ver_str[BEISCSI_VER_STRLEN];

	char wq_name[20];

	struct workqueue_struct *wq;	/* The actuak work queue */

drivers/scsi/be2iscsi/be_mgmt.c

+0 −28
Original line number Diff line number Diff line
@@ -1393,34 +1393,6 @@ unsigned int be_cmd_get_initname(struct beiscsi_hba *phba) 
	return tag;

}



unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)

{

	unsigned int tag = 0;

	struct be_mcc_wrb *wrb;

	struct be_cmd_ntwk_link_status_req *req;

	struct be_ctrl_info *ctrl = &phba->ctrl;



	if (mutex_lock_interruptible(&ctrl->mbox_lock))

		return 0;

	tag = alloc_mcc_tag(phba);

	if (!tag) {

		mutex_unlock(&ctrl->mbox_lock);

		return tag;

	}



	wrb = wrb_from_mccq(phba);

	req = embedded_payload(wrb);

	wrb->tag0 |= tag;

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);

	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,

			OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,

			sizeof(*req));



	be_mcc_notify(phba, tag);

	mutex_unlock(&ctrl->mbox_lock);

	return tag;

}



/**

 * be_mgmt_get_boot_shandle()- Get the session handle

 * @phba: device priv structure instance

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