GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/lib/net_utils.c

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Generic network code. Moved from net.c
+ *
+ * Copyright 1994 - 2000 Neil Russell.
+ * Copyright 2000 Roland Borde
+ * Copyright 2000 Paolo Scaffardi
+ * Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com
+ */
+
+#include <common.h>
+
+struct in_addr string_to_ip(const char *s)
+{
+	struct in_addr addr;
+	char *e;
+	int i;
+
+	addr.s_addr = 0;
+	if (s == NULL)
+		return addr;
+
+	for (addr.s_addr = 0, i = 0; i < 4; ++i) {
+		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
+		if (val > 255) {
+			addr.s_addr = 0;
+			return addr;
+		}
+		if (i != 3 && *e != '.') {
+			addr.s_addr = 0;
+			return addr;
+		}
+		addr.s_addr <<= 8;
+		addr.s_addr |= (val & 0xFF);
+		if (s) {
+			s = (*e) ? e+1 : e;
+		}
+	}
+
+	addr.s_addr = htonl(addr.s_addr);
+	return addr;
+}
+
+void string_to_enetaddr(const char *addr, uint8_t *enetaddr)
+{
+	char *end;
+	int i;
+
+	if (!enetaddr)
+		return;
+
+	for (i = 0; i < 6; ++i) {
+		enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
+		if (addr)
+			addr = (*end) ? end + 1 : end;
+	}
+}