Merge remote-tracking branch 'lsk/v3.10/topic/coresight' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / include / net / ip6_route.h

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index b906f4a131a46cf5a67f6ca662f269a0eb67db31..8d977b3436474b057bd29d3898bfa771e14c23fb 100644 (file)
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -32,6 +32,11 @@ struct route_info {
 #define RT6_LOOKUP_F_SRCPREF_PUBLIC    0x00000010
 #define RT6_LOOKUP_F_SRCPREF_COA       0x00000020
 
+/* We do not (yet ?) support IPv6 jumbograms (RFC 2675)
+ * Unlike IPv4, hdr->seg_len doesn't include the IPv6 header
+ */
+#define IP6_MAX_MTU (0xFFFF + sizeof(struct ipv6hdr))
+
 /*
  * rt6_srcprefs2flags() and rt6_flags2srcprefs() translate
  * between IPV6_ADDR_PREFERENCES socket option values