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@@ -829,7 +829,13 @@ static inline void net_random_ethaddr(uchar *addr)
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/* Convert an IP address to a string */
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void ip_to_string(struct in_addr x, char *s);
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-/* Convert a string to ip address */
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+/**
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+ * string_to_ip() - Convert a string to ip address
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+ *
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+ * @s: String to conver, in the format format a.b.c.d, where each value is a
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+ * decimal number from 0 to 255
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+ * @return IP address, or 0 if invalid
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+ */
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struct in_addr string_to_ip(const char *s);
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/* Convert a VLAN id to a string */
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@@ -887,4 +893,17 @@ int update_tftp(ulong addr, char *interface, char *devstring);
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*/
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void eth_parse_enetaddr(const char *addr, uint8_t *enetaddr);
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+/**
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+ * env_get_ip() - Convert an environment value to to an ip address
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+ *
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+ * @var: Environment variable to convert. The value of this variable must be
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+ * in the format format a.b.c.d, where each value is a decimal number from
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+ * 0 to 255
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+ * @return IP address, or 0 if invalid
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+ */
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+static inline struct in_addr env_get_ip(char *var)
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+{
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+ return string_to_ip(env_get(var));
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+}
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+
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#endif /* __NET_H__ */
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