[PATCH 2/9] efi_loader/net: Remove http and ip4_config2 data from efi_net.c
Adriano Cordova
adrianox at gmail.com
Fri May 16 10:18:32 CEST 2025
efi_net.c should only [un]install protocols, leaving the
actual implementation to efi_http.c and efi_ipconfig.c
Signed-off-by: Adriano Cordova <adriano.cordova at canonical.com>
---
include/efi_loader.h | 6 ++----
lib/efi_loader/net/efi_http.c | 20 +++++++++++++-------
lib/efi_loader/net/efi_ipconfig.c | 19 ++++++++++++-------
lib/efi_loader/net/efi_net.c | 26 ++++++++++++++------------
4 files changed, 41 insertions(+), 30 deletions(-)
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 84e8cfe320e..5c1244824f3 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -662,11 +662,9 @@ efi_status_t efi_gop_register(void);
efi_status_t efi_net_register(struct udevice *dev);
efi_status_t efi_net_do_start(struct udevice *dev);
/* 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);
+efi_status_t efi_ip4_config2_install(const efi_handle_t handle);
/* Called by efi_net_register to make the http protocol available */
-efi_status_t efi_http_register(const efi_handle_t handle,
- struct efi_service_binding_protocol *http_service_binding);
+efi_status_t efi_http_install(const efi_handle_t handle);
/* Called by bootefi to make the watchdog available */
efi_status_t efi_watchdog_register(void);
efi_status_t efi_initrd_register(struct efi_device_path *dp_initrd);
diff --git a/lib/efi_loader/net/efi_http.c b/lib/efi_loader/net/efi_http.c
index 189317fe2d2..536ce1edb97 100644
--- a/lib/efi_loader/net/efi_http.c
+++ b/lib/efi_loader/net/efi_http.c
@@ -24,6 +24,7 @@ static const efi_guid_t efi_http_guid = EFI_HTTP_PROTOCOL_GUID;
*
* @http: EFI_HTTP_PROTOCOL interface
* @handle: handle to efi object
+ * @parent: service binding that created this child
* @configured: configuration status
* @http_load_addr: data buffer
* @file_size: size of data
@@ -391,7 +392,7 @@ static efi_status_t EFIAPI efi_http_service_binding_create_child(
if (!child_handle)
return EFI_EXIT(EFI_INVALID_PARAMETER);
- new_instance = calloc(1, sizeof(struct efi_http_instance));
+ new_instance = calloc(1, sizeof(*new_instance));
if (!new_instance) {
ret = EFI_OUT_OF_RESOURCES;
goto failure_to_add_protocol;
@@ -482,25 +483,30 @@ static efi_status_t EFIAPI efi_http_service_binding_destroy_child(
}
/**
- * efi_http_register() - register the http protocol
+ * efi_http_install() - install the EFI_HTTP_SERVICE_BINDING_PROTOCOL
*
+ * @handle: handle to install the protocol
*/
-efi_status_t efi_http_register(const efi_handle_t handle,
- struct efi_service_binding_protocol *http_service_binding)
+efi_status_t efi_http_install(const efi_handle_t handle)
{
efi_status_t r = EFI_SUCCESS;
+ struct efi_service_binding_protocol *http_service_binding;
+
+ r = efi_allocate_pool(EFI_LOADER_DATA,
+ sizeof(*http_service_binding),
+ (void **)&http_service_binding);
+ if (r != EFI_SUCCESS)
+ return r;
r = efi_add_protocol(handle, &efi_http_service_binding_guid,
http_service_binding);
if (r != EFI_SUCCESS)
- goto failure_to_add_protocol;
+ return r;
http_service_binding->create_child = efi_http_service_binding_create_child;
http_service_binding->destroy_child = efi_http_service_binding_destroy_child;
return EFI_SUCCESS;
-failure_to_add_protocol:
- return r;
}
enum efi_http_status_code efi_u32_to_httpstatus(u32 status)
diff --git a/lib/efi_loader/net/efi_ipconfig.c b/lib/efi_loader/net/efi_ipconfig.c
index 9f51f77fa9a..a46cba09f01 100644
--- a/lib/efi_loader/net/efi_ipconfig.c
+++ b/lib/efi_loader/net/efi_ipconfig.c
@@ -190,20 +190,25 @@ static efi_status_t EFIAPI efi_ip4_config2_unregister_notify(struct efi_ip4_conf
}
/**
- * efi_ipconfig_register() - register the ip4_config2 protocol
+ * efi_ip4_config2_install() - install the EFI_IP4_CONFIG2_PROTOCOL
*
+ * @handle handle to install the protocol
*/
-efi_status_t efi_ipconfig_register(const efi_handle_t handle,
- struct efi_ip4_config2_protocol *ip4config)
+efi_status_t efi_ip4_config2_install(const efi_handle_t handle)
{
- efi_status_t r = EFI_SUCCESS;
+ efi_status_t r;
+ struct efi_ip4_config2_protocol *ip4config;
+
+ r = efi_allocate_pool(EFI_LOADER_DATA,
+ sizeof(*ip4config),
+ (void **)&ip4config);
+ if (r != EFI_SUCCESS)
+ return r;
r = efi_add_protocol(handle, &efi_ip4_config2_guid,
ip4config);
- if (r != EFI_SUCCESS) {
- log_err("ERROR: Failure to add protocol\n");
+ if (r != EFI_SUCCESS)
return r;
- }
memcpy(current_mac_addr, eth_get_ethaddr(), 6);
diff --git a/lib/efi_loader/net/efi_net.c b/lib/efi_loader/net/efi_net.c
index b3291b4f1d5..40db80f4726 100644
--- a/lib/efi_loader/net/efi_net.c
+++ b/lib/efi_loader/net/efi_net.c
@@ -31,6 +31,8 @@
const efi_guid_t efi_net_guid = EFI_SIMPLE_NETWORK_PROTOCOL_GUID;
static const efi_guid_t efi_pxe_base_code_protocol_guid =
EFI_PXE_BASE_CODE_PROTOCOL_GUID;
+static const efi_guid_t efi_http_service_binding_guid =
+ EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID;
struct dp_entry {
struct efi_device_path *net_dp;
@@ -73,8 +75,6 @@ static int next_dhcp_entry;
* @net_mode: status of the network interface
* @pxe: PXE base code protocol interface
* @pxe_mode: status of the PXE base code protocol
- * @ip4_config2: IP4 Config2 protocol interface
- * @http_service_binding: Http service binding protocol interface
* @new_tx_packet: new transmit packet
* @transmit_buffer: transmit buffer
* @receive_buffer: array of receive buffers
@@ -92,12 +92,6 @@ struct efi_net_obj {
struct efi_simple_network_mode net_mode;
struct efi_pxe_base_code_protocol pxe;
struct efi_pxe_mode pxe_mode;
-#if IS_ENABLED(CONFIG_EFI_IP4_CONFIG2_PROTOCOL)
- struct efi_ip4_config2_protocol ip4_config2;
-#endif
-#if IS_ENABLED(CONFIG_EFI_HTTP_PROTOCOL)
- struct efi_service_binding_protocol http_service_binding;
-#endif
void *new_tx_packet;
void *transmit_buffer;
uchar **receive_buffer;
@@ -1285,13 +1279,12 @@ efi_status_t efi_net_register(struct udevice *dev)
}
#if IS_ENABLED(CONFIG_EFI_IP4_CONFIG2_PROTOCOL)
- r = efi_ipconfig_register(&netobj->header, &netobj->ip4_config2);
+ r = efi_ip4_config2_install(&netobj->header);
if (r != EFI_SUCCESS)
goto failure_to_add_protocol;
#endif
-
#ifdef CONFIG_EFI_HTTP_PROTOCOL
- r = efi_http_register(&netobj->header, &netobj->http_service_binding);
+ r = efi_http_install(&netobj->header);
if (r != EFI_SUCCESS)
goto failure_to_add_protocol;
#endif
@@ -1645,6 +1638,7 @@ efi_status_t efi_net_do_request(u8 *url, enum efi_http_method method, void **buf
int wget_ret;
static bool last_head;
struct udevice *dev;
+ struct efi_handler *phandler;
int i;
if (!buffer || !file_size || !parent)
@@ -1656,8 +1650,16 @@ efi_status_t efi_net_do_request(u8 *url, enum efi_http_method method, void **buf
// Set corresponding udevice
dev = NULL;
for (i = 0; i < MAX_EFI_NET_OBJS; i++) {
- if (net_objs[i] && &net_objs[i]->http_service_binding == parent)
+ if (!net_objs[i])
+ continue;
+
+ ret = efi_search_protocol(&net_objs[i]->header,
+ &efi_http_service_binding_guid,
+ &phandler);
+ if (ret == EFI_SUCCESS && phandler == (void *)parent) {
dev = net_objs[i]->dev;
+ break;
+ }
}
if (!dev)
return EFI_ABORTED;
--
2.48.1
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