[PATCH v2 05/15] efi_loader: add IPv4() to device path to text protocol

Adriano Cordova
2024-11-08T15:56:57Z

From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

Implement Ipv4() node support in the device path to text protocol.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Adriano Cordova <adrianox@gmail.com>
---
lib/efi_loader/efi_device_path_to_text.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c
index 0c7b30a26e..481a9712d9 100644
--- a/lib/efi_loader/efi_device_path_to_text.c
+++ b/lib/efi_loader/efi_device_path_to_text.c
@@ -8,6 +8,7 @@
#include <blk.h>
#include <efi_loader.h>
#include <malloc.h>
+#include <net.h>

#define MAC_OUTPUT_LEN 22
#define UNKNOWN_OUTPUT_LEN 23
@@ -170,6 +171,28 @@ static char *dp_msging(char *s, struct efi_device_path *dp)

break;
}
+ case DEVICE_PATH_SUB_TYPE_MSG_IPV4: {
+ struct efi_device_path_ipv4 *idp =
+ (struct efi_device_path_ipv4 *)dp;
+
+ s += sprintf(s, "IPv4(%pI4,", &idp->remote_ip_address);
+ switch (idp->protocol) {
+ case IPPROTO_TCP:
+ s += sprintf(s, "TCP,");
+ case IPPROTO_UDP:
+ s += sprintf(s, "UDP,");
+ default:
+ s += sprintf(s, "0x%x,", idp->protocol);
+ }
+ s += sprintf(s, idp->static_ip_address ? "Static" : "DHCP");
+ s += sprintf(s, ",%pI4", &idp->local_ip_address);
+ if (idp->dp.length == sizeof(struct efi_device_path_ipv4))
+ s += sprintf(s, ",%pI4,%pI4", &idp->gateway_ip_address,
+ &idp->subnet_mask);
+ s += sprintf(s, ")");
+
+ break;
+ }
case DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS: {
struct efi_device_path_usb_class *ucdp =
(struct efi_device_path_usb_class *)dp;
--
2.43.0