[PATCH v4 04/14] efi_loader: add IPv4() to device path to text protocol

[Adriano Cordova <adrianox@gmail.com>]

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>
---

(no changes since v2)

 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