From: Jitendra <jitendra.bhiv...@avagotech.com>

Async link event provides port_speed info. Use the same to report in
ISCSI_HOST_PARAM_PORT_SPEED query. Removed link status query IOCTL used
to do the same.

25G and 40G are defined in kernel enum iscsi_port_speed.

Fixed get_nic_conf structure definition. Removed rsvd[23] field in
be_cmd_get_nic_conf_resp.

Signed-off-by: Jitendra <jitendra.bhiv...@avagotech.com>
---
 drivers/scsi/be2iscsi/be_cmds.c     |   47 ++++++++++++-------------
 drivers/scsi/be2iscsi/be_cmds.h     |   65 ++++++++++------------------------
 drivers/scsi/be2iscsi/be_iscsi.c    |   41 +++++----------------
 drivers/scsi/be2iscsi/be_main.h     |    1 +
 drivers/scsi/be2iscsi/be_mgmt.c     |   28 ---------------
 drivers/scsi/scsi_transport_iscsi.c |    2 +
 include/scsi/iscsi_if.h             |    2 +
 7 files changed, 57 insertions(+), 129 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 3dbf6af..498eba2 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -402,31 +402,31 @@ void beiscsi_fail_session(struct iscsi_cls_session 
*cls_session)
        iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
 }
 
-static void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
-               struct be_async_event_link_state *evt)
+static void beiscsi_process_async_link(struct beiscsi_hba *phba,
+                                      struct be_mcc_compl *compl)
 {
-       if ((evt->port_link_status == ASYNC_EVENT_LINK_DOWN) ||
-           ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
-            (evt->port_fault != BEISCSI_PHY_LINK_FAULT_NONE))) {
-               phba->state = BE_ADAPTER_LINK_DOWN;
+       struct be_async_event_link_state *evt;
 
-               beiscsi_log(phba, KERN_ERR,
-                           BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
-                           "BC_%d : Link Down on Port %d\n",
-                           evt->physical_port);
+       evt = (struct be_async_event_link_state *)compl;
 
-               iscsi_host_for_each_session(phba->shost,
-                                           beiscsi_fail_session);
-       } else if ((evt->port_link_status & ASYNC_EVENT_LINK_UP) ||
-                   ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
-                    (evt->port_fault == BEISCSI_PHY_LINK_FAULT_NONE))) {
+       phba->port_speed = evt->port_speed;
+       /**
+        * Check logical link status in ASYNC event.
+        * This has been newly introduced in SKH-R Firmware 10.0.338.45.
+        **/
+       if (evt->port_link_status & BE_ASYNC_LINK_UP_MASK) {
                phba->state = BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT;
                phba->get_boot = BE_GET_BOOT_RETRIES;
-
-               beiscsi_log(phba, KERN_ERR,
-                           BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
-                           "BC_%d : Link UP on Port %d\n",
-                           evt->physical_port);
+               __beiscsi_log(phba, KERN_ERR,
+                             "BC_%d : Link Up on Port %d tag 0x%x\n",
+                             evt->physical_port, evt->event_tag);
+       } else {
+               phba->state = BE_ADAPTER_LINK_DOWN;
+               __beiscsi_log(phba, KERN_ERR,
+                             "BC_%d : Link Down on Port %d tag 0x%x\n",
+                             evt->physical_port, evt->event_tag);
+               iscsi_host_for_each_session(phba->shost,
+                                           beiscsi_fail_session);
        }
 }
 
@@ -503,8 +503,7 @@ void beiscsi_process_async_event(struct beiscsi_hba *phba,
        evt_code &= ASYNC_TRAILER_EVENT_CODE_MASK;
        switch (evt_code) {
        case ASYNC_EVENT_CODE_LINK_STATE:
-               beiscsi_async_link_state_process(phba,
-                               (struct be_async_event_link_state *)compl);
+               beiscsi_process_async_link(phba, compl);
                break;
        case ASYNC_EVENT_CODE_ISCSI:
                phba->state |= BE_ADAPTER_CHECK_BOOT;
@@ -520,8 +519,8 @@ void beiscsi_process_async_event(struct beiscsi_hba *phba,
        }
 
        beiscsi_log(phba, sev, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
-                   "BC_%d : ASYNC Event: status 0x%08x flags 0x%08x\n",
-                   compl->status, compl->flags);
+                   "BC_%d : ASYNC Event %x: status 0x%08x flags 0x%08x\n",
+                   evt_code, compl->status, compl->flags);
 }
 
 int beiscsi_process_mcc(struct beiscsi_hba *phba)
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 6411f7b..3b9bc2e 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -142,7 +142,6 @@ struct be_async_event_trailer {
 enum {
        ASYNC_EVENT_LINK_DOWN = 0x0,
        ASYNC_EVENT_LINK_UP = 0x1,
-       ASYNC_EVENT_LOGICAL = 0x2
 };
 
 /**
@@ -152,13 +151,26 @@ enum {
 struct be_async_event_link_state {
        u8 physical_port;
        u8 port_link_status;
+/**
+ * ASYNC_EVENT_LINK_DOWN               0x0
+ * ASYNC_EVENT_LINK_UP                 0x1
+ * ASYNC_EVENT_LINK_LOGICAL_DOWN       0x2
+ * ASYNC_EVENT_LINK_LOGICAL_UP         0x3
+ */
+#define BE_ASYNC_LINK_UP_MASK          0x01
        u8 port_duplex;
        u8 port_speed;
-#define BEISCSI_PHY_LINK_FAULT_NONE    0x00
-#define BEISCSI_PHY_LINK_FAULT_LOCAL   0x01
-#define BEISCSI_PHY_LINK_FAULT_REMOTE  0x02
+/* 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_fault;
-       u8 rsvd0[7];
+       u8 event_reason;
+       u16 qos_link_speed;
+       u32 event_tag;
        struct be_async_event_trailer trailer;
 } __packed;
 
@@ -675,20 +687,6 @@ struct be_cmd_req_modify_eq_delay {
 
 /******************** Get MAC ADDR *******************/
 
-#define ETH_ALEN       6
-
-struct be_cmd_get_nic_conf_req {
-       struct be_cmd_req_hdr hdr;
-       u32 nic_port_count;
-       u32 speed;
-       u32 max_speed;
-       u32 link_state;
-       u32 max_frame_size;
-       u16 size_of_structure;
-       u8 mac_address[ETH_ALEN];
-       u32 rsvd[23];
-};
-
 struct be_cmd_get_nic_conf_resp {
        struct be_cmd_resp_hdr hdr;
        u32 nic_port_count;
@@ -697,9 +695,8 @@ struct be_cmd_get_nic_conf_resp {
        u32 link_state;
        u32 max_frame_size;
        u16 size_of_structure;
-       u8 mac_address[6];
-       u32 rsvd[23];
-};
+       u8 mac_address[ETH_ALEN];
+} __packed;
 
 #define BEISCSI_ALIAS_LEN 32
 
@@ -711,29 +708,6 @@ 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 +726,6 @@ 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);
 
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 3545721..9eef68b 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -758,7 +758,7 @@ static void beiscsi_get_port_state(struct Scsi_Host *shost)
        struct beiscsi_hba *phba = iscsi_host_priv(shost);
        struct iscsi_cls_host *ihost = shost->shost_data;
 
-       ihost->port_state = (phba->state == BE_ADAPTER_LINK_UP) ?
+       ihost->port_state = (phba->state & BE_ADAPTER_LINK_UP) ?
                ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
 }
 
@@ -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:
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index fabade3..41c708c 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -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 */
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 15f7ad7..5c66f44 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -1382,34 +1382,6 @@ 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);
-       mutex_unlock(&ctrl->mbox_lock);
-       return tag;
-}
-
 /**
  * be_mgmt_get_boot_shandle()- Get the session handle
  * @phba: device priv structure instance
diff --git a/drivers/scsi/scsi_transport_iscsi.c 
b/drivers/scsi/scsi_transport_iscsi.c
index e4b3d8f..4414816 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -4308,6 +4308,8 @@ static const struct {
        {ISCSI_PORT_SPEED_100MBPS,      "100 Mbps" },
        {ISCSI_PORT_SPEED_1GBPS,        "1 Gbps" },
        {ISCSI_PORT_SPEED_10GBPS,       "10 Gbps" },
+       {ISCSI_PORT_SPEED_25GBPS,       "25 Gbps" },
+       {ISCSI_PORT_SPEED_40GBPS,       "40 Gbps" },
 };
 
 char *iscsi_get_port_speed_name(struct Scsi_Host *shost)
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 95ed942..d66c070 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -724,6 +724,8 @@ enum iscsi_port_speed {
        ISCSI_PORT_SPEED_100MBPS        = 0x4,
        ISCSI_PORT_SPEED_1GBPS          = 0x8,
        ISCSI_PORT_SPEED_10GBPS         = 0x10,
+       ISCSI_PORT_SPEED_25GBPS         = 0x20,
+       ISCSI_PORT_SPEED_40GBPS         = 0x40,
 };
 
 /* iSCSI port state */
-- 
1.7.1

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