1 files changed, 11 insertions, 2 deletions

diff --git a/include/net/ip.h b/include/net/ip.h
index 23be0fd37937..25064c28e059 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -187,6 +187,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
 #define NET_INC_STATS(net, field)       SNMP_INC_STATS((net)->mib.net_statistics, field)
 #define NET_INC_STATS_BH(net, field)    SNMP_INC_STATS_BH((net)->mib.net_statistics, field)
 #define NET_INC_STATS_USER(net, field)  SNMP_INC_STATS_USER((net)->mib.net_statistics, field)
+#define NET_ADD_STATS(net, field, adnd) SNMP_ADD_STATS((net)->mib.net_statistics, field, adnd)
 #define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd)
 #define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd)
 
@@ -266,7 +267,8 @@ int ip_dont_fragment(struct sock *sk, struct dst_entry *dst)
 
 static inline bool ip_sk_accept_pmtu(const struct sock *sk)
 {
-        return inet_sk(sk)->pmtudisc != IP_PMTUDISC_INTERFACE;
+        return inet_sk(sk)->pmtudisc != IP_PMTUDISC_INTERFACE &&
+               inet_sk(sk)->pmtudisc != IP_PMTUDISC_OMIT;
 }
 
 static inline bool ip_sk_use_pmtu(const struct sock *sk)
@@ -274,6 +276,12 @@ static inline bool ip_sk_use_pmtu(const struct sock *sk)
         return inet_sk(sk)->pmtudisc < IP_PMTUDISC_PROBE;
 }
 
+static inline bool ip_sk_local_df(const struct sock *sk)
+{
+        return inet_sk(sk)->pmtudisc < IP_PMTUDISC_DO ||
+               inet_sk(sk)->pmtudisc == IP_PMTUDISC_OMIT;
+}
+
 static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
                                                     bool forwarding)
 {
@@ -489,7 +497,8 @@ int ip_options_rcv_srr(struct sk_buff *skb);
 
 void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb);
 void ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb);
-int ip_cmsg_send(struct net *net, struct msghdr *msg, struct ipcm_cookie *ipc);
+int ip_cmsg_send(struct net *net, struct msghdr *msg,
+                 struct ipcm_cookie *ipc, bool allow_ipv6);
 int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
                   unsigned int optlen);
 int ip_getsockopt(struct sock *sk, int level, int optname, char __user *optval,