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efi_loader: efi_net: Add device path cache

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In preparation to support mutiple efi net udevices. Add a device path
cache to support device paths from multiple ethernet udevices.
The device paths can be added to the cache before EFI gets initialized and
the protocols get installed.

Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
This commit is contained in:
Adriano Cordova
2025-03-03 11:13:15 -03:00
committed by Heinrich Schuchardt
parent 267b0a7ddf
commit dd5d82a599
7 changed files with 255 additions and 62 deletions
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23
include/efi_loader.h
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@@ -129,15 +129,17 @@ static inline void efi_set_bootdev(const char *dev, const char *devnr,
#if CONFIG_IS_ENABLED(NETDEVICES) && CONFIG_IS_ENABLED(EFI_LOADER)
/* Call this to update the current device path of the efi net device */
efi_status_t efi_net_set_dp(const char *dev, const char *server);
efi_status_t efi_net_new_dp(const char *dev, const char *server, struct udevice *udev);
/* Call this to get the current device path of the efi net device */
void efi_net_get_dp(struct efi_device_path **dp);
void efi_net_dp_from_dev(struct efi_device_path **dp, struct udevice *udev, bool cache_only);
void efi_net_get_addr(struct efi_ipv4_address *ip,
struct efi_ipv4_address *mask,
struct efi_ipv4_address *gw);
struct efi_ipv4_address *gw,
struct udevice *dev);
void efi_net_set_addr(struct efi_ipv4_address *ip,
struct efi_ipv4_address *mask,
struct efi_ipv4_address *gw);
struct efi_ipv4_address *gw,
struct udevice *dev);
efi_status_t efi_net_do_request(u8 *url, enum efi_http_method method, void **buffer,
u32 *status_code, ulong *file_size, char *headers_buffer);
#define MAX_HTTP_HEADERS_SIZE SZ_64K
@@ -151,13 +153,16 @@ struct http_header {
void efi_net_parse_headers(ulong *num_headers, struct http_header *headers);
#else
static inline void efi_net_get_dp(struct efi_device_path **dp) { }
static inline void efi_net_dp_from_dev(struct efi_device_path **dp,
struct udevice *udev, bool cache_only) { }
static inline void efi_net_get_addr(struct efi_ipv4_address *ip,
struct efi_ipv4_address *mask,
struct efi_ipv4_address *gw) { }
struct efi_ipv4_address *gw,
struct udevice *dev) { }
static inline void efi_net_set_addr(struct efi_ipv4_address *ip,
struct efi_ipv4_address *mask,
struct efi_ipv4_address *gw) { }
struct efi_ipv4_address *gw,
struct udevice *dev) { }
#endif
/* Maximum number of configuration tables */
@@ -649,8 +654,8 @@ int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
/* Called by bootefi to make GOP (graphical) interface available */
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);
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);