static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf);
static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
+static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
+ int len);
/*
* SCSI host template entry points
.send_ping = qla4xxx_send_ping,
.get_chap = qla4xxx_get_chap_list,
.delete_chap = qla4xxx_delete_chap,
+ .set_chap = qla4xxx_set_chap_entry,
.get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
.set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
.new_flashnode = qla4xxx_sysfs_ddb_add,
return 0;
}
+static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
+ int16_t chap_index,
+ struct ql4_chap_table **chap_entry)
+{
+ int rval = QLA_ERROR;
+ int max_chap_entries;
+
+ if (!ha->chap_list) {
+ ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
+ rval = QLA_ERROR;
+ goto exit_get_chap;
+ }
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (chap_index > max_chap_entries) {
+ ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
+ rval = QLA_ERROR;
+ goto exit_get_chap;
+ }
+
+ *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
+ if ((*chap_entry)->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ rval = QLA_ERROR;
+ *chap_entry = NULL;
+ } else {
+ rval = QLA_SUCCESS;
+ }
+
+exit_get_chap:
+ return rval;
+}
+
+/**
+ * qla4xxx_find_free_chap_index - Find the first free chap index
+ * @ha: pointer to adapter structure
+ * @chap_index: CHAP index to be returned
+ *
+ * Find the first free chap index available in the chap table
+ *
+ * Note: Caller should acquire the chap lock before getting here.
+ **/
+static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
+ uint16_t *chap_index)
+{
+ int i, rval;
+ int free_index = -1;
+ int max_chap_entries = 0;
+ struct ql4_chap_table *chap_table;
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (!ha->chap_list) {
+ ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
+ rval = QLA_ERROR;
+ goto exit_find_chap;
+ }
+
+ for (i = 0; i < max_chap_entries; i++) {
+ chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+
+ if ((chap_table->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
+ (i > MAX_RESRV_CHAP_IDX)) {
+ free_index = i;
+ break;
+ }
+ }
+
+ if (free_index != -1) {
+ *chap_index = free_index;
+ rval = QLA_SUCCESS;
+ } else {
+ rval = QLA_ERROR;
+ }
+
+exit_find_chap:
+ return rval;
+}
+
static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf)
{
return ret;
}
+/**
+ * qla4xxx_set_chap_entry - Make chap entry with given information
+ * @shost: pointer to host
+ * @data: chap info - credentials, index and type to make chap entry
+ * @len: length of data
+ *
+ * Add or update chap entry with the given information
+ **/
+static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_chap_rec chap_rec;
+ struct ql4_chap_table *chap_entry = NULL;
+ struct iscsi_param_info *param_info;
+ struct nlattr *attr;
+ int max_chap_entries = 0;
+ int type;
+ int rem = len;
+ int rc = 0;
+
+ memset(&chap_rec, 0, sizeof(chap_rec));
+
+ nla_for_each_attr(attr, data, len, rem) {
+ param_info = nla_data(attr);
+
+ switch (param_info->param) {
+ case ISCSI_CHAP_PARAM_INDEX:
+ chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
+ break;
+ case ISCSI_CHAP_PARAM_CHAP_TYPE:
+ chap_rec.chap_type = param_info->value[0];
+ break;
+ case ISCSI_CHAP_PARAM_USERNAME:
+ memcpy(chap_rec.username, param_info->value,
+ param_info->len);
+ break;
+ case ISCSI_CHAP_PARAM_PASSWORD:
+ memcpy(chap_rec.password, param_info->value,
+ param_info->len);
+ break;
+ case ISCSI_CHAP_PARAM_PASSWORD_LEN:
+ chap_rec.password_length = param_info->value[0];
+ break;
+ default:
+ ql4_printk(KERN_ERR, ha,
+ "%s: No such sysfs attribute\n", __func__);
+ rc = -ENOSYS;
+ goto exit_set_chap;
+ };
+ }
+
+ if (chap_rec.chap_type == CHAP_TYPE_IN)
+ type = BIDI_CHAP;
+ else
+ type = LOCAL_CHAP;
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ mutex_lock(&ha->chap_sem);
+ if (chap_rec.chap_tbl_idx < max_chap_entries) {
+ rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
+ &chap_entry);
+ if (!rc) {
+ if (!(type == qla4xxx_get_chap_type(chap_entry))) {
+ ql4_printk(KERN_INFO, ha,
+ "Type mismatch for CHAP entry %d\n",
+ chap_rec.chap_tbl_idx);
+ rc = -EINVAL;
+ goto exit_unlock_chap;
+ }
+
+ /* If chap index is in use then don't modify it */
+ rc = qla4xxx_is_chap_active(shost,
+ chap_rec.chap_tbl_idx);
+ if (rc) {
+ ql4_printk(KERN_INFO, ha,
+ "CHAP entry %d is in use\n",
+ chap_rec.chap_tbl_idx);
+ rc = -EBUSY;
+ goto exit_unlock_chap;
+ }
+ }
+ } else {
+ rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
+ if (rc) {
+ ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
+ rc = -EBUSY;
+ goto exit_unlock_chap;
+ }
+ }
+
+ rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
+ chap_rec.chap_tbl_idx, type);
+
+exit_unlock_chap:
+ mutex_unlock(&ha->chap_sem);
+
+exit_set_chap:
+ return rc;
+}
+
static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
enum iscsi_param_type param_type,
int param, char *buf)
struct iscsi_session *sess = cls_sess->dd_data;
struct ddb_entry *ddb_entry = sess->dd_data;
struct scsi_qla_host *ha = ddb_entry->ha;
+ struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
+ struct ql4_chap_table chap_tbl;
int rval, len;
uint16_t idx;
+ memset(&chap_tbl, 0, sizeof(chap_tbl));
switch (param) {
case ISCSI_PARAM_CHAP_IN_IDX:
rval = qla4xxx_get_chap_index(ha, sess->username_in,
len = sprintf(buf, "%hu\n", idx);
break;
case ISCSI_PARAM_CHAP_OUT_IDX:
- rval = qla4xxx_get_chap_index(ha, sess->username,
- sess->password, LOCAL_CHAP,
- &idx);
+ if (ddb_entry->ddb_type == FLASH_DDB) {
+ if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
+ idx = ddb_entry->chap_tbl_idx;
+ rval = QLA_SUCCESS;
+ } else {
+ rval = QLA_ERROR;
+ }
+ } else {
+ rval = qla4xxx_get_chap_index(ha, sess->username,
+ sess->password,
+ LOCAL_CHAP, &idx);
+ }
if (rval)
len = sprintf(buf, "\n");
else
len = sprintf(buf, "%hu\n", idx);
break;
+ case ISCSI_PARAM_USERNAME:
+ case ISCSI_PARAM_PASSWORD:
+ /* First, populate session username and password for FLASH DDB,
+ * if not already done. This happens when session login fails
+ * for a FLASH DDB.
+ */
+ if (ddb_entry->ddb_type == FLASH_DDB &&
+ ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
+ !sess->username && !sess->password) {
+ idx = ddb_entry->chap_tbl_idx;
+ rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
+ chap_tbl.secret,
+ idx);
+ if (!rval) {
+ 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);
+ }
+ }
+ /* allow fall-through */
default:
return iscsi_session_get_param(cls_sess, param, buf);
}
pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
}
/**
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / blobdiff