/**
* iface_create_ifaces_from_boot_contexts - create ifaces based on boot info
* @ifaces: list to store ifaces in
* @targets: list of targets to create ifaces from
*
* This function will create a iface struct based on the boot info
* and it will create (or update if existing already) a iface rec in
* the ifaces dir based on the info.
*/
int iface_create_ifaces_from_boot_contexts(struct list_head *ifaces,
struct list_head *targets)
{
struct boot_context *context;
struct iface_rec *iface, *tmp_iface;
int rc = 0;
list_for_each_entry(context, targets, list) {
rc = 0;
/* use dummy name. If valid it will get overwritten below */
iface = iface_alloc(DEFAULT_IFACENAME, &rc);
if (!iface) {
log_error("Could not setup iface %s for boot\n",
context->iface);
goto fail;
}
if (!iface_setup_from_boot_context(iface, context)) {
/* no offload so forget it */
free(iface);
continue;
}
rc = iface_conf_write(iface);
if (rc) {
log_error("Could not setup default iface conf "
"for %s.", iface->name);
free(iface);
goto fail;
}
list_add_tail(&iface->list, ifaces);
}
int iface_conf_update(struct db_set_param *param,
struct iface_rec *iface)
{
struct iface_rec *def_iface;
recinfo_t *info;
int rc = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
log_error("iface %s is a special interface and "
"cannot be modified.\n", iface->name);
return ISCSI_ERR_INVAL;
}
info = idbm_recinfo_alloc(MAX_KEYS);
if (!info)
return ISCSI_ERR_NOMEM;
idbm_recinfo_iface(iface, info);
rc = idbm_verify_param(info, param->name);
if (rc)
goto free_info;
rc = idbm_rec_update_param(info, param->name, param->value, 0);
if (rc)
goto free_info;
rc = iface_conf_write(iface);
free_info:
free(info);
return rc;
}
static int iface_setup_binding_from_kern_iface(void *data,
struct iface_rec *kern_iface)
{
struct host_info *hinfo = data;
struct iface_rec iface;
char iface_path[PATH_MAX];
if (!strlen(hinfo->iface.hwaddress)) {
log_error("Invalid offload iSCSI host %u. Missing "
"hwaddress. Try upgrading %s driver.\n",
hinfo->host_no, hinfo->iface.transport_name);
return 0;
}
memset(&iface, 0, sizeof(struct iface_rec));
strcpy(iface.hwaddress, hinfo->iface.hwaddress);
strcpy(iface.transport_name, hinfo->iface.transport_name);
if (kern_iface) {
iface.iface_num = kern_iface->iface_num;
snprintf(iface.name, sizeof(iface.name), "%s.%s.%s.%u",
kern_iface->transport_name,
kern_iface->hwaddress,
iface_get_iptype(kern_iface) == ISCSI_IFACE_TYPE_IPV4 ?
"ipv4" : "ipv6", kern_iface->iface_num);
} else {
snprintf(iface.name, sizeof(iface.name), "%s.%s",
hinfo->iface.transport_name, hinfo->iface.hwaddress);
}
memset(iface_path, 0, sizeof(iface_path));
snprintf(iface_path, PATH_MAX, "%s/%s", IFACE_CONFIG_DIR,
iface.name);
if (access(iface_path, F_OK) != 0) {
/* not found so create it */
if (iface_conf_write(&iface)) {
log_error("Could not create default iface conf %s.",
iface.name);
/* fall through - will not be persistent */
}
}
return 0;
}
idbm_recinfo_iface(iface, info);
list_for_each_entry(param, params, list) {
rc = idbm_verify_param(info, param->name);
if (rc)
goto free_info;
}
list_for_each_entry(param, params, list) {
rc = idbm_rec_update_param(info, param->name, param->value, 0);
if (rc)
goto free_info;
}
rc = iface_conf_write(iface);
free_info:
free(info);
return rc;
}
#if 0 /* Unused */
static int iface_get_next_id(void)
{
struct stat statb;
char *iface_conf;
int i, rc = ENOSPC;
iface_conf = calloc(1, PATH_MAX);
if (!iface_conf)
return ENOMEM;
