@@ -626,6 +626,7 @@ int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
efi_status_t efi_gop_register(void);
/* Called by bootefi to make the network interface available */
efi_status_t efi_net_register(void);
+efi_status_t efi_net_do_start(void);
/* Called by efi_net_register to make the ip4 config2 protocol available */
efi_status_t efi_ipconfig_register(const efi_handle_t handle,
struct efi_ip4_config2_protocol *ip4config);
@@ -876,6 +876,30 @@ static efi_status_t EFIAPI efi_pxe_base_code_set_packets(
return EFI_UNSUPPORTED;
}
+/**
+ * efi_net_do_start() - start the efi network stack
+ *
+ * This gets called from do_bootefi_exec() each time a payload gets executed.
+ *
+ * Return: status code
+ */
+efi_status_t efi_net_do_start(void)
+{
+ efi_status_t r = EFI_SUCCESS;
+
+#ifdef CONFIG_EFI_HTTP_PROTOCOL
+ /*
+ * No harm on doing the following. If the PXE handle is present, the client could
+ * find it and try to get its IP address from it. In here the PXE handle is present
+ * but the PXE protocol is not yet implmenented, so we add this in the meantime.
+ */
+ efi_net_get_addr((struct efi_ipv4_address *)&netobj->pxe_mode.station_ip,
+ (struct efi_ipv4_address *)&netobj->pxe_mode.subnet_mask, NULL);
+#endif
+
+ return r;
+}
+
/**
* efi_net_register() - register the simple network protocol
*
@@ -1020,13 +1044,6 @@ efi_status_t efi_net_register(void)
r = efi_http_register(&netobj->header, &netobj->http_service_binding);
if (r != EFI_SUCCESS)
goto failure_to_add_protocol;
- /*
- * No harm on doing the following. If the PXE handle is present, the client could
- * find it and try to get its IP address from it. In here the PXE handle is present
- * but the PXE protocol is not yet implmenented, so we add this in the meantime.
- */
- efi_net_get_addr((struct efi_ipv4_address *)&netobj->pxe_mode.station_ip,
- (struct efi_ipv4_address *)&netobj->pxe_mode.subnet_mask, NULL);
#endif
return EFI_SUCCESS;
@@ -218,6 +218,9 @@ static efi_status_t efi_start_obj_list(void)
{
efi_status_t ret = EFI_SUCCESS;
+ if (IS_ENABLED(CONFIG_NETDEVICES))
+ ret = efi_net_do_start();
+
return ret;
}
This gets called each time a payload is to get executed by bootefi. For now this only updates the PXE IP address. Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com> --- include/efi_loader.h | 1 + lib/efi_loader/efi_net.c | 31 ++++++++++++++++++++++++------- lib/efi_loader/efi_setup.c | 3 +++ 3 files changed, 28 insertions(+), 7 deletions(-)