net: ipv6: Add APIs to check ipv6 address is site local and global

Add APIs to check the IPv6 address is site local or is global. (cherry picked from commit 68bea80) Original-Signed-off-by: Sandip Dalvi <[email protected]> GitOrigin-RevId: 68bea80 Change-Id: I58432c14b13d50fd878d9a21d1004c459cafb631 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5227907 Reviewed-by: Tristan Honscheid <[email protected]> Tested-by: ChromeOS Prod (Robot) <[email protected]> Tested-by: Tristan Honscheid <[email protected]> Commit-Queue: Tristan Honscheid <[email protected]>
coreboot · Feb 3, 2024 · c176bf8 · c176bf8
1 parent d8faf7c
commit c176bf8
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/include/zephyr/net/net_ip.h b/include/zephyr/net/net_ip.h
@@ -841,6 +841,19 @@ static inline bool net_ipv6_is_ll_addr(const struct in6_addr *addr)
 	return UNALIGNED_GET(&addr->s6_addr16[0]) == htons(0xFE80);
 }
 
+/**
+ * @brief Check if the given IPv6 address is a site local address.
+ *
+ * @param addr A valid pointer on an IPv6 address
+ *
+ * @return True if it is, false otherwise.
+ */
+static inline bool net_ipv6_is_sl_addr(const struct in6_addr *addr)
+{
+	return UNALIGNED_GET(&addr->s6_addr16[0]) == htons(0xFEC0);
+}
+
+
 /**
  * @brief Check if the given IPv6 address is a unique local address.
  *
@@ -853,6 +866,18 @@ static inline bool net_ipv6_is_ula_addr(const struct in6_addr *addr)
 	return addr->s6_addr[0] == 0xFD;
 }
 
+/**
+ * @brief Check if the given IPv6 address is a global address.
+ *
+ * @param addr A valid pointer on an IPv6 address
+ *
+ * @return True if it is, false otherwise.
+ */
+static inline bool net_ipv6_is_global_addr(const struct in6_addr *addr)
+{
+	return (addr->s6_addr[0] & 0xE0) == 0x20;
+}
+
 /**
  * @brief Return pointer to any (all bits zeros) IPv6 address.
  *