[SCSI] be2iscsi: Use start cid and number of cid and icd from FW

This patch enablesi be2iscsi to use the start number and number
 of cids/icd provided by FW rather than hard coded values.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 79c2bd525a84..df1b327fe17b 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -48,6 +48,14 @@ unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
                                         pfw_cfg->ulp[0].sq_base;
                 phba->fw_config.iscsi_cid_count =
                                         pfw_cfg->ulp[0].sq_count;
+                if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
+                        status = 1;
+                        shost_printk(KERN_WARNING, phba->shost,
+                             "FW reported MAX CXNS as %d \t"
+                             "Max Supported = %d. Failing to load \n",
+                                        phba->fw_config.iscsi_cid_count,
+                                        BE2_MAX_SESSIONS);
+                }
         } else {
                 shost_printk(KERN_WARNING, phba->shost,
                              "Failed in mgmt_get_fw_config \n");
@@ -317,7 +325,8 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
                 struct tcp_connect_and_offload_out *ptcpcnct_out =
                                                         embedded_payload(wrb);
 
-                ep = phba->ep_array[ptcpcnct_out->cid];
+                ep = phba->ep_array[ptcpcnct_out->cid -
+                                    phba->fw_config.iscsi_cid_start];
                 beiscsi_ep = ep->dd_data;
                 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
                 beiscsi_ep->cid_vld = 1;