mm/balloon_compaction: redesign ballooned pages management

[karo-tx-linux.git] / include / net / mld.h

diff --git a/include/net/mld.h b/include/net/mld.h
index faa1d161bf24d35244f13a9f0a6fae612eb79670..01d751303498ccdd08fd63d16134fb6a8fd64744 100644 (file)
--- a/include/net/mld.h
+++ b/include/net/mld.h
@@ -88,12 +88,15 @@ struct mld2_query {
 #define MLDV2_QQIC_EXP(value)  (((value) >> 4) & 0x07)
 #define MLDV2_QQIC_MAN(value)  ((value) & 0x0f)
 
+#define MLD_EXP_MIN_LIMIT      32768UL
+#define MLDV1_MRD_MAX_COMPAT   (MLD_EXP_MIN_LIMIT - 1)
+
 static inline unsigned long mldv2_mrc(const struct mld2_query *mlh2)
 {
        /* RFC3810, 5.1.3. Maximum Response Code */
        unsigned long ret, mc_mrc = ntohs(mlh2->mld2q_mrc);
 
-       if (mc_mrc < 32768) {
+       if (mc_mrc < MLD_EXP_MIN_LIMIT) {
                ret = mc_mrc;
        } else {
                unsigned long mc_man, mc_exp;