static int handle_eamt_config(struct nlmsghdr *nl_hdr, struct request_hdr *jool_hdr,
union request_eamt *request)
{
__u64 count;
int error;
if (xlat_is_nat64()) {
log_err("Stateful NAT64 doesn't have an EAMT.");
return -EINVAL;
}
switch (jool_hdr->operation) {
case OP_DISPLAY:
return handle_eamt_display(nl_hdr, request);
case OP_COUNT:
log_debug("Returning EAMT count.");
error = eamt_count(&count);
if (error)
return respond_error(nl_hdr, error);
return respond_setcfg(nl_hdr, &count, sizeof(count));
case OP_TEST:
return handle_eamt_test(nl_hdr, request);
case OP_ADD:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Adding EAMT entry.");
return respond_error(nl_hdr, eamt_add(&request->add.prefix6,
&request->add.prefix4, request->add.force));
case OP_REMOVE:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Removing EAMT entry.");
return respond_error(nl_hdr, eamt_rm(
request->rm.prefix6_set ? &request->rm.prefix6 : NULL,
request->rm.prefix4_set ? &request->rm.prefix4 : NULL));
case OP_FLUSH:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
eamt_flush();
return respond_error(nl_hdr, 0);
default:
log_err("Unknown operation: %d", jool_hdr->operation);
return respond_error(nl_hdr, -EINVAL);
}
}
int handle_eamt_config(struct xlator *jool, struct genl_info *info)
{
struct request_hdr *hdr;
union request_eamt *request;
int error;
if (xlat_is_nat64()) {
log_err("Stateful NAT64 doesn't have an EAMT.");
return nlcore_respond(info, -EINVAL);
}
hdr = get_jool_hdr(info);
request = (union request_eamt *)(hdr + 1);
error = validate_request_size(info, sizeof(*request));
if (error)
return nlcore_respond(info, error);
switch (be16_to_cpu(hdr->operation)) {
case OP_DISPLAY:
return handle_eamt_display(jool->siit.eamt, info, request);
case OP_COUNT:
return handle_eamt_count(jool->siit.eamt, info);
case OP_ADD:
error = handle_eamt_add(jool->siit.eamt, request);
break;
case OP_REMOVE:
error = handle_eamt_rm(jool->siit.eamt, request);
break;
case OP_FLUSH:
error = handle_eamt_flush(jool->siit.eamt);
break;
default:
log_err("Unknown operation: %u", be16_to_cpu(hdr->operation));
error = -EINVAL;
}
return nlcore_respond(info, error);
}
