[SCSI] qla4xxx: Populate local CHAP credentials for flash target sessions

If any flash target entry is using CHAP authentication then set
CHAP username and password sysfs params for the corresponding
iscsi sessions.

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 057d06861ad750e0c18a6798dd2af84e462c64f8..45478807dabbf8f174232dfaa415cdca760732ad 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -2397,6 +2397,7 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
        int buflen = 0;
        struct iscsi_session *sess;
        struct ddb_entry *ddb_entry;
+       struct ql4_chap_table chap_tbl;
        struct iscsi_conn *conn;
        char ip_addr[DDB_IPADDR_LEN];
        uint16_t options = 0;
@@ -2404,6 +2405,7 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
        sess = cls_sess->dd_data;
        ddb_entry = sess->dd_data;
        conn = cls_conn->dd_data;
+       memset(&chap_tbl, 0, sizeof(chap_tbl));
 
        ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
 
@@ -2430,6 +2432,19 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
                        (char *)fw_ddb_entry->iscsi_name, buflen);
        iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
                        (char *)ha->name_string, buflen);
+
+       if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
+               if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
+                                                  chap_tbl.secret,
+                                                  ddb_entry->chap_tbl_idx)) {
+                       iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
+                                       (char *)chap_tbl.name,
+                                       strlen((char *)chap_tbl.name));
+                       iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
+                                       (char *)chap_tbl.secret,
+                                       chap_tbl.secret_len);
+               }
+       }
 }
 
 void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
@@ -5204,6 +5219,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
        ddb_entry->ha = ha;
        ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
        ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+       ddb_entry->chap_tbl_idx = INVALID_ENTRY;
 
        atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
        atomic_set(&ddb_entry->relogin_timer, 0);